april 26 2022

The session was able to proceed without any connection difficulties.


Again, the attendance was low for this session with, in addition, a false jump from the recorder.
Below is the report of the very enthusiastic Master.

 

For information, the next session will be held on Saturday 21 May ( dated Tuesday 24) 


Master's words


Saint augustin 1"Beauty is the splendour of Truth" (saint Augustin).Garcia moreno

"Dios nunca muere" (G. Garcia Moreno, 1875).      

"Intellectuals are on the left, intelligence is on the right" (H. Taine).

"Gas stations are the only place where the one holding the gun is also the one being robbed" (F. Roussel).

"The amount of energy needed to disprove bullshit is much greater than the amount of energy used to create it" (A. Brandolini).

"The election is the tide of mediocrity" (H. de Balzac).

What is the most reliable way of recognising a complete idiot? By this sentence: "I believe in the justice of my country". So said a great journalist to me 40 years ago. Of course, but there are other "sure" ways, for example the one that says: "You didn't vote, so you can't complain". Or the one who continues to wear a muzzle in the street. Etc.

« You can only govern properly for the good of all by knowing that men are evil fools and treating them as such. But if you tell them, they get angry. Hence the repugnant necessity for the leaders of the people to overwhelm the herd with indecent flattery » (P.-A. Cousteau).

"Honest and timid citizens, the wicked are watching, and you are sleeping. The wicked have the courage of interest, the courage of envy, the courage of hatred; and the good have only innocence and do not have the courage of virtue" (A. Chénier).Righteous br

Christie 1"Without you baby, what good am I ? You're my reason for laughin', for cryin', for livin', and for dyin'" (B. Medley & B. Hatfield, 1966).

"The difference between a married man and a dead man? A married man is buried alive and shares his tomb" (Agatha Christie).

"Good or bad, this move MUST be played, without knowing if it wins or not" (B. Ivkov). Phrase often attributed to A. Miles, because he used it.

Our endgame of the day deals with the difficulty to convert an advantage of a figure: it is a Bishop accompanied by a rook-pawn whose promotion square is of the wrong colour. An opponent's pawn on the Knight file can sometimes move it, otherwise it is imperative to move the defending King away from the corner. Note also that white pawns f5 & g4 can keep bBe7 & bPg5 at bay.

It follows two studies of the Knight's virtuosity: in defence to neutralise a dangerous pawn, with a revision of Queen against Bishop + Knight, then in attack to checkmate in company with the Queen (remember that the two figures cannot occupy the same square, at least at the same time). Finally a walk ending in the middle ages!

Exercises for the next session: the "Knight support committee" that you met in LF2 on the occasion of our exercise 600 reminds us, having appreciated our Bishop vs Pawns struggle and logically asking for an analogous Knight vs Pawns conflict.  

Then a curiosity which will enchant the aforementioned committee: 3 Knights squaring a Rook. It follows a Czech study which had pleased our great Halberstadt and an Austrian one where two Rooks are not impressed by two pawns linked in the 7th rank.

Tarta bogol

Today's game once again shows the verve of our beloved Tartacaviar as a player and commentator. His opponent is no slouch either. As is often the case, we don't really know who is "playing for the win", probably both of them. The material is highly heterogeneous, Rook and 3 pawns against Knight and 2 Bishops, a real provocation to errors of judgement.

A cute retro where one justifies a capture en passant.

Kuzovkov 2Training: tries in the 4th, 5th, 7th, 8th and last 3 2-moves. A brilliant 3# from the 19th century, a more incredible one from the 21st. The 5# is easily solved if you realise that the obvious move will be much stronger... in the 3rd.   

Gurov

In helpmate, two delicious 5-units model mats, then a beautiful cycle and finally a nice echo. In selfmate, a Macedonian masterpiece and a "Gamni" where we give the solution.

Have a good time. Adeus até à próxima.  Zostańcie z Bogiem.


PGN Reader

Master's diagrams

[Event "?"] [Site "?"] [Date "1997.??.??"] [Round "?"] [White "Tolstikh N, Zakharevich I"] [Black "0430.32"] [Result "0-1"] [SetUp "1"] [FEN "6k1/6bp/6p1/8/4R3/6P1/r4P1P/5K2 w - - 0 37"] [PlyCount "38"] [EventDate "1997.??.??"] [SourceDate "2022.01.01"] {One more piece (against a pawn) should mean a comfortable win. Yes, but the black rook-pawn has a promotion square which the black bishop (of black squares) does not like. How many times have I been laughed at when I said I was thinking about that... at the beginning of an endgame ?} 37. h4 Kf7 38. Kg2 Rd2 39. Rf4+ Ke6 40. Kh3 Be5 41. Rf8 Bf6 42. f4 Rd3 43. Kg4 Rd8 $1 ({Or} 43... h5+ $1 44. Kh3 Bc3 $1 (44... Rd8 $2 45. Rxd8 Bxd8 46. g4 $3 $11 {is not conclusive}) 45. Kg2 (45. Rc8 Kf5 $1 46. Re8 Bd4 $3) 45... Ke7 $1 {(...Be1 is impossible)} (45... Bd4 $1 {Z} 46. Re8+ Kf5 $1 47. Kh3 Bf2 $3 {and a Rg5 will be countered by ...Be1! & ... Ra5! at a moment when the wK is in g2, thanks to ...Be1-d2! threatening ...Bxf4}) 46. Rb8 Be1 $3 {[#]} 47. Rb7+ Kf6 $8 48. Rb6+ Kg7 $8 49. Rb7+ Kh6 $8 $19) 44. Rxd8 Bxd8 45. Kf3 ({The other possibility was} 45. h5 Be7 $1 ({more direct is } 45... Kd5 $3 46. f5 g5 $3 {: see further}) 46. Kf3 Kd5 $3 {[#]} (46... Kf5 $2 47. hxg6 $1 hxg6 48. g4+ $8 Kf6 49. f5 $1 g5 50. Ke4 $8 Bc5 51. Kd5 $8 Ba3 52. Kd4 $1 Ke7 53. Kd5 $1 Bb2 54. Kc6 $1 {(already studied by Timman in 1980)} Ba3 55. Kd5 $8 $11) (46... Bc5 $6 47. hxg6 $6 {(Kg4! forcing back ...Be7!!)} hxg6 48. Ke4 Bb6 $1 49. g4 {(threatens f5+)} Kd6 $8 {[#]} 50. Kf3 {(f5 ...g5!!)} Kd5 $8 $19) (46... Bd8 $6 47. Ke4 Bb6 $1 {(or ...Be7! but not ...Bf6? giving White decisive tempo : hxg6! -- or g4?! ...g5 fxg5!! ...Bxg5 Kd4!!= -- ...hxg6 g4!! ...Kd6 g5!!= ; nor of course ...gxh5?=)} 48. Kf3 Kd5 $8 49. Kg4 Bd8 $8 50. f5 g5 $8 $19) 47. Ke3 (47. f5 g5 $8 48. h6 Ke5 $1 {idem}) 47... Bf6 $1 48. Kf3 (48. g4 Bb2 $1 49. hxg6 hxg6 50. Kf3 Bd4 $1) (48. Kd3 Bd4 $8 49. g4 Bb6 $1 {Z}) 48... Kd4 $8 (48... Bd4 $6 49. Kg4 $1 Bf6 $8) 49. f5 (49. Kg4 Ke4 $1) 49... g5 $8 50. h6 Bd8 $1 51. Kg4 Ke3 $1 52. Kh5 {(simmering a blackmail of the stalemate)} Kf3 $1 53. g4 (53. f6 g4 $1 54. f7 Be7 $8) 53... Kf4 $1 54. f6 Ke5 $1 55. Kxg5 (55. f7 Be7 $8 {idem}) 55... Bxf6+ 56. Kh5 Bd8 57. g5 Kf5 $8 58. Kh4 Ba5 $1 59. Kg3 ( 59. Kh5 $6 Be1 $1 {followed by mate}) 59... Be1+ $8 60. Kh3 (60. Kf3 Bh4 $1 61. Ke3 Kg4 $1 62. Ke2 Kf4 $1 {idem}) 60... Kf4 $8 61. Kg2 Kg4 $8 62. Kf1 (62. Kh2 Kf3 $8) 62... Bh4 $1 63. Ke2 (63. Kg2 Bg3 $1) 63... Kf4 $1 64. Kf1 (64. Kd2 Bxg5 $1 {(this capture works when the wK moves away from h1)} 65. Ke2 Kg3 $8 66. Kf1 Be3 $8 67. Ke2 Bxh6 $8) 64... Kf3 $1 65. Kg1 Bg3 $8 66. Kf1 (66. Kh1 Kf2 $8) 66... Bf2 $8 67. g6 hxg6 $8 68. h7 Bd4 $8 $19) 45... Kd5 $2 {After this mistake, White will be able to save himself: what was winning with the white pawn on h5 is unfortunate here.} (45... Kf5 $2 46. g4+ $8 (46. h5 $2 Ke6 $1) 46... Kf6 47. f5 $1 Bc7 (47... g5 48. hxg5+ Kxg5 49. Kg2 $11) 48. fxg6 hxg6 49. g5+ $1 Kf5 50. h5 $8 $11) (45... Be7 $1 46. h5 (46. Ke3 Kf5 $1) (46. Kg4 h5+ $1) (46. Ke4 h5 $1) (46. g4 Bxh4 $1 {or ...Kd5! f5 ...Bxh4!!}) 46... Kd5 $8 $19 {as already seen}) (45... h6 $3 {(most direct)} 46. g4 (46. Kg4 h5+ $1 47. Kf3 Kf5 $1 {or ...Bxh4!}) (46. h5 g5 $8 47. fxg5 hxg5 $8) 46... Kd5 $1 47. f5 g5 $8 48. hxg5 hxg5 $8 $19 {: Ph6 triumph}) (45... h5 $2 46. g4 $8 $11) 46. f5 $3 {[#]As Black does not have ...g5!!.} (46. Ke3 $2 Be7 $1 (46... h6 $3) (46... h5 $2 47. Kf3 $8 Ke6 48. g4 $8 $11) 47. Kf3 (47. Kd3 h5 $1) (47. f5 gxf5 $1 { (or ...Bxh4!)} 48. Kf4 Ke6 $8 49. g4 Bd6+ $8 50. Kf3 f4 $8) 47... Ke6 $8 {: see 45...Be7! ; threat was f5!! as in the game}) (46. h5 $2 Be7 $1 {already seen at 44e & 45e}) 46... Ke5 (46... gxf5 47. g4 $3 $11 {: h7 pawn will not be able to change columns !}) 47. fxg6 $8 hxg6 {The only way out for White is to move his king to h3 for g3-g4-g5 followed by h4-h5, leaving only the "bad" rook-pawn. The only Black plan is to drive his King to h6 to be able, at g5+, to answer ...Kh5! It is spiritual that the two key squares are the marginal h3 & h6 !} 48. Kg4 $2 {Ruins the previous good effort.} (48. Kg2 $3 Ke6 (48... Be7 49. Kh3 $1 Kf5 50. g4+ $8 Kf4 51. g5 $8 $11) (48... Kf6 {(intercepting Bd8)} 49. g4 $8 {on same}) 49. Kh3 $3 {[#]} Kf7 50. g4 $8 Kg7 51. g5 $8 $11 {just in time !}) (48. Ke3 $2 Ke6 $3 (48... Kf6 $2 49. g4 $8 $11) (48... Kf5 $6 49. Kf3 Ke6 $8 50. Kg2 Kf7 $8 51. Kh3 Kg7 $8) 49. Kf4 Kf7 $1 (49... Ba5 $6 50. g4 {(Kg4 ...Kf6!! but not ...Kf7? h5!!)} Be1 $8 51. h5 Bd2+ $8) 50. Kg4 Kg7 $1 {as in the text} ) (48. h5 $2 g5 $8 49. Kg4 Kf6 $1 $19) 48... Kf6 $3 {[#]Taking advantage of the fact that g3-g4 is impossible. Will remain, in front of the White King, the weight of the royal black presence...} (48... Ke4 $2 49. h5 $1 (49. Kh3 $1 Kf3 50. g4 $8 Kf4 51. g5 $8 $11) 49... g5 50. h6 $8 Ke5 51. h7 $8 Bf6 $8 52. h8=Q $11) 49. Kh3 (49. Kf4 Kg7 $1 50. g4 Bxh4 $1) (49. h5 g5 $8 50. h6 Kg6 $1) 49... Kg7 $8 50. g4 (50. Kg4 Kh6 $1 51. Kh3 Ba5 $1 (51... Kh5 $1 52. g4+ Kh6 {: text}) 52. Kg4 Be1 $1 53. Kh3 Kh5 $19) 50... Kh6 $8 {[#]Just in time !} (50... Kf6 $2 51. g5+ $1 Kf5 52. h5 $8 $11) 51. Kg3 (51. g5+ Kh5 $8 {[#]} 52. Kg3 Bc7+ $1 53. Kh3 Bd6 $19 {Z}) 51... Be7 $1 (51... Ba5 $6 52. Kf3 $1 Be1 $6 (52... Bd8 $1) 53. h5 $1 g5 $8 54. Ke4 Kg7 $1 55. Kf5 Bd2 $8 56. Ke6 Bc1 $1 57. Ke7 Bb2 $8 58. Ke6 Bf6 $8 59. Kd6 (59. h6+ Kg6 $8) 59... Kf7 $8 60. Kd5 Ke7 $19 {: the h5-pawn is worse than in f5, as studied on 45e}) 52. Kh3 (52. h5 g5 $1 (52... Bd6+ $1 53. Kf3 g5 $8) 53. Kf3 Kg7 54. Ke4 Kf6 55. Kd5 Bf8 56. Ke4 Ke6 $19) 52... Bb4 $3 {0-1 in the game.} 53. Kg2 Be1 $3 {[#]} 54. Kh3 Bf2 $8 55. h5 g5 $8 0-1 [Event "?"] [Site "?"] [Date "1945.??.??"] [Round "?"] [White "Kivi, V."] [Black "0041.11"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1N2k2K/7b/1P6/8/8/8/1p6/3B4 w - - 0 1"] [PlyCount "13"] [EventDate "1945.??.??"] [EventType "tourn"] [EventRounds "18"] [SourceDate "2022.01.01"] {Preventing black promotion seems miraculous.} 1. Bh5+ $8 (1. Ba4+ $2 Kd8 $8 2. Nc6+ (2. b7 Kc7 $8) 2... Kc8 $8 3. Kxh7 b1=Q+ $8 4. Kh6 Qxb6 $1 (4... Qe4 $1 ) 5. Kg5 Qa6 $1 (5... Kc7 $1) 6. Ne7+ Kd8 $1 7. Nc6+ Kc7 $1 $19) 1... Kd8 (1... Ke7 2. Nc6+ $1 Kd6 3. b7 $1 $11) (1... Kf8 2. Nd7+ $1 Ke7 3. b7 $8 $11) 2. Nc6+ $8 (2. b7 $2 Kc7 $8 3. Nd7 Kxb7 $8 4. Kxh7 b1=Q+ $8 5. Bg6 (5. Kg7 Kc7 $1 6. Nf6 Kd6 $1) 5... Qh1+ $1 (5... Qb2 $1) 6. Kg7 Kc7 7. Nf6 Kd6 $1 8. Ne4+ (8. Ne8+ Ke7 $1 9. Bf7 Qa1+ $1 10. Kg6 Qe5 $1 {Z}) 8... Ke7 $1 9. Bf5 (9. Nf6 $6 Qa1 $1) 9... Qh5 $1 10. Bg6 Qg4 $1 11. Kh6 Qh4+ $1 (11... Kf8 12. Ng5 $1 Kg8 $6 13. Bh7+ $1) 12. Kg7 Ke6 $1 13. Bh7 (13. Nc5+ Ke5 14. Nd7+ Kd6 $1 15. Nf6 Qd4 $1 16. Kf7 Qf4 $1 17. Kg7 Qe5 $1) 13... Ke5 $1 14. Bg6 Qe7+ $1 15. Kg8 Kf4 $1 16. Bh7 Kg4 $1 17. Bg6 Kh4 $1 {Z} 18. Bh7 (18. Kh8 Qf8+ $1 19. Kh7 Kg4 $1 {Z}) 18... Kh5 $1 19. Ng3+ $1 (19. Bf5 $6 Kh6 $1) 19... Kg5 $8 20. Nf5 (20. Bb1 Qe8+ $1 {for ...Qe5+ or ...Qf7-b3}) 20... Qe8+ 21. Kg7 Qd7+ $1 22. Kg8 Kf6 $1 $19) 2... Kc8 $1 (2... Kd7 3. b7 $1 $11) 3. Bg4+ $8 (3. Kxh7 $2 b1=Q+ $8 4. Kg8 (4. Bg6 Qh1+ $1) 4... Qxb6 5. Bg4+ Kc7 6. Ne7 (6. Ne5 Qd4 $1) 6... Kd8 $1 $19) 3... Kb7 4. Na5+ $8 Ka6 (4... Ka8 5. Bf3+ $8 (5. Bc8 $2 Be4 $1) (5. b7+ Kb8 6. Bc8 Be4 $8) 5... Kb8 6. Nc6+ $8 Kb7 (6... Kc8 7. Bg4+ $1 {repetition}) 7. Ne5+ $8 ( 7. Na5+ $2 Ka6 $8 8. Be2+ Kxa5 $8 $19) 7... Kc8 (7... Ka6 8. Be2+ $1 {(or b7! . ..b1Q Nd7!!)} Kb7 9. Bf3+ $8) 8. b7+ $1 Kc7 9. Nd7 $8 $11) (4... Kb8 5. Nc6+ $8 Ka8 6. Bc8 $8 b1=Q 7. b7+ $8) (4... Kxb6 5. Nc4+ $1) 5. Nc4 $3 {[#]} b1=Q 6. Bc8+ $8 Kb5 7. Na3+ $8 {Study much appreciated by Polougaïevsky.} 1/2-1/2 [Event "?"] [Site "?"] [Date "1928.??.??"] [Round "?"] [White "Erokhin, I."] [Black "4301.12"] [Result "1-0"] [SetUp "1"] [FEN "3q2r1/6P1/p7/8/8/k3N1Qp/8/2K5 w - - 0 1"] [PlyCount "15"] [EventDate "1928.??.??"] [SourceDate "2022.01.01"] {The ideal study to prove right the players whose favourite piece is the Knight.} 1. Nc2+ $8 (1. Nd5+ $2 Ka4 $8 2. Qf4+ Kb5 $8 3. Qb4+ Kc6 4. Ne7+ Kd7 $1 5. Nxg8 $1 Qxg8 $11) 1... Ka4 (1... Ka2 2. Qa3#) 2. Qg4+ $8 (2. Qf4+ $2 Kb5 $8 $11 3. Nd4+ $2 Kb6 $8 4. Qh6+ Kb7 $8 $19) 2... Kb5 $1 (2... Kb3 $6 3. Qb4+ $8 {followed by mate}) 3. Nd4+ $8 Kb6 $1 (3... Kc5 4. Ne6+ $8) (3... Ka5 4. Nc6+ $8 ) 4. Qg6+ $3 {[#]} (4. Qe6+ $2 {(takes the square that belongs to the knight)} Kc7 $1 {(or on c5)} 5. Qf7+ Kd6 $1 $11) 4... Kb7 $1 {The only move delaying the triumph of the Knight.} 5. Qe4+ $3 {[#]} (5. Qc6+ $2 {would have the same default as 4 Qe6+?}) 5... Kc8 (5... Kb6 6. Qb1+ $3 {[#]also followed by a fork}) 6. Qa8+ $8 (6. Ne6 $2 Qe7 $1 7. Qa8+ $8 Kd7 8. Qxg8 h2 $1 $11) 6... Kd7 (6... Kc7 7. Ne6+ $8) 7. Qc6+ $8 Ke7 8. Qe6# $1 {Model mate.} 1-0 [Event "?"] [Site "?"] [Date "1975.??.??"] [Round "?"] [White "Petrov, D."] [Black "0540.11"] [Result "1-0"] [SetUp "1"] [FEN "4K3/8/2k5/3b4/6R1/5P1B/rp5R/8 w - - 0 1"] [PlyCount "17"] [EventDate "1975.??.??"] [SourceDate "2022.01.01"] {Skirmishes transposing to the 7th move in a known idea. To be presented at 2nd move due to cook.} 1. Rh1 $8 ({Cooked by} 1. Rg6+ $1 Kc5 2. Rc2+ $8 Kd4 3. Rd2+ $8 Ke3 (3... Kc4 4. Bf1+ $8 Kc5 5. Rxd5+ $8 Kxd5 6. Bd3 $8 {for either Rb6 or Be4+ & Rg1}) 4. Rd1 $8 Ra8+ (4... Ra1 5. Rgg1 $8) 5. Ke7 Ra7+ (5... Rb8 6. Bf5 $1) 6. Kd6 $8 Ra6+ 7. Kxd5 $8 Rxg6 8. Bg4 $3 (8. Bf5 $2 Rb6 $1 {(or Rg5!)} 9. Be4 b1=Q $1 $11) 8... Rb6 9. Rb1 $1 $18) (1. Rc2+ $2 Kd6 $8 2. Rg6+ Ke5 $8 3. Re2+ Kf4 $8 4. Re1 (4. Rf6+ Kg3 $1 5. Bf5 b1=Q $1 6. Bxb1 Rxe2+ $8) 4... Ra1 $1 5. Rgg1 Rxe1+ $8 6. Rxe1 Ba2 $8 $11 {: no Bf5}) (1. Rg1 $2 b1=Q $1 2. Rxb1 Rxh2 $8 $11) 1... Bxf3 (1... Ra1 2. Rgg1 $8 Ra8+ 3. Ke7 $8 Ra7+ 4. Kf6 $8 Bxf3 5. Rh2 $1 (5. Bg2 $1) 5... Ra1 6. Rc2+ $8 Kd6 (6... Kd5 7. Rg5+ $8 Kd4 8. Rxb2 $8) 7. Rg7 $1 {(threatens mate)} Bc6 8. Rxb2 $18) 2. Bg2 $3 {Only defence against the attack of the two Rooks.} Bxg2 (2... Ra1 3. Bxf3+ Kc5 4. Rgg1 $1 $18) (2... Ra8+ 3. Ke7 Bxg2 4. Rxg2 Ra1 5. Rh6+ $1 Kc5 6. Rxb2 $18) 3. Rg6+ $3 {[#]The black king must be pushed out of the 6th row because a queen b1 would control g6.} (3. Rxg2 $2 b1=Q $1 4. Rxb1 $8 (4. Rg6+ $2 Qxg6+ $8) 4... Rxg2 $8 $11) 3... Kd5 (3... Kc5 4. Rxg2 $8 b1=Q 5. Rg5+ $8 Kc4 6. Rxb1 $18) ( 3... Kc7 4. Rh7+ $6 ({simpler} 4. Rxg2 $1 b1=Q 5. Rg7+ $8) 4... Kb8 5. Rd6 $3 {[#]} Bc6+ 6. Kf8 $8 Bb7 (6... Kc8 7. Rxc6+ $8) 7. Rb6 $8 Ra7 8. Re7 $3 {[#]} (8. Rxb2 $2 Ka8 $3 9. Rd7 Bc8 $8 10. Rd8 Rc7 $8 $11) (8. Rd7 $6 Kc8 9. Re7 $8 Kb8 10. Rxb2 $1) 8... Kc8 9. Rxb2 $1 Kb8 10. Rb1 $1 Kc8 11. Rc1+ $8 Kb8 12. Rcc7 $8 $18 ) 4. Rxg2 $8 b1=Q (4... Kd4 5. Rh4+ $1 (5. Rb1 $6 Kc3 $1) 5... Ke3 (5... Kc3 $6 {leads to #3}) (5... Kc5 6. Rg5+ $8) 6. Rg3+ $1 Ke2 (6... Kf2 7. Rb3 $8) 7. Rh2+ $1 Kf1 8. Rb3 $1 $18) (4... Ra1 5. Rh5+ $8 Kc4 6. Rxb2 $8 $18) (4... Ra8+ 5. Kd7 $8 (5. Ke7 $6 Ra7+ 6. Kf6 Ra6+ 7. Kf5 $2 Ra1 $8 $11) 5... Ra7+ 6. Kc8 $8 $18) 5. Rg5+ $8 Qf5 $1 {Relaunch the business.} (5... Ke6 6. Rh6+ $8 {followed by mat}) 6. Rxf5+ $8 Ke6 {Threatens mat and therefore gets the Rook back, no ?} 7. Ra5 $3 {[#]As in "Civis bononiae" !} Rxa5 8. Rh6+ $8 {The black king is on the mined column.} Kf5 (8... Kd5 9. Rh5+ $8) 9. Rh5+ $8 {Published in "la Revue des Echecs" no 15.} 1-0 [Event "British Empire Club Masters"] [Site "London"] [Date "1927.??.??"] [Round "6"] [White "Tartacover, X."] [Black "Bogoljubow, E."] [Result "1-0"] [ECO "C44"] [PlyCount "97"] [EventDate "1927.10.??"] [EventType "tourn"] [EventRounds "11"] [EventCountry "ENG"] [SourceDate "2022.01.01"] 1. e4 e5 2. Nf3 Nc6 3. c3 {The Ponziani opening, far from being out of fashion.} Nf6 ( 3... d5 4. Qa4 f6 5. d3 Nge7 6. Be2 Be6 7. O-O Qd7 8. Nbd2 Ng6 $11 {Lagarde,M (2657)-Papaioannou,I (2645)/Batumi 2019}) 4. d4 (4. d3 a5 (4... d5 5. Qc2 a5 6. a4 Be7 7. Be2 O-O 8. O-O Re8 9. Re1 h6 {Jobava,B (2603)-Le Quang Liem (2709)/ chess.com 2020}) 5. Be2 Bc5 6. O-O d6 7. d4 Ba7 {Brochet,P (2379)-Ivanchuk,V (2754)/Plovdiv 2010}) (4. Bd3 $2 d5 $1 5. Qe2 (5. exd5 $2 Qxd5 $19) 5... Bd6 $1 6. O-O dxe4 7. Bxe4 Nxe4 8. Qxe4 O-O $17) 4... d5 (4... Nxe4 5. d5 Bc5 $1 {[#]} (5... Ne7 6. Nxe5 Ng6 7. Qe2 Qe7 8. Qxe4 Qxe5 $11 {Jobava,B (2668)-Saric,I (2652)/ Reykjavik 2015}) 6. dxc6 (6. Be3 Bxe3 7. fxe3 Ne7) 6... Bxf2+ 7. Ke2 O-O $2 ( 7... Bb6 $1) 8. Qd5 $2 (8. Nbd2 $1) 8... Nf6 $8 9. cxb7 Nxd5 $8 10. bxa8=Q $8 Ba6+ $8 11. Kxf2 Qxa8 12. Bxa6 e4 $1 {[#]} 13. Nd4 (13. Be2 exf3 14. Bxf3 Qc6 $11) 13... e3+ $8 14. Kg1 $8 Nf4 $1 (14... Re8 $1 15. Na3 Nf4 $8 {idem}) 15. Bf1 $8 Qe4 $1 16. Nd2 (16. Na3 Re8 17. h4) 16... Nh3+ $1 (16... Qg6 17. g3 c5 18. N4f3 $6 {(Nepomniachtchi,I (2730)-Sargissian,G (2686)/Dubai 2014)} Qg4 $1 $17) 17. gxh3 Qh4 $8 18. Ne4 $8 Qxe4 $8 19. Be2 $8 (19. Bg2 $2 Qf4 $8 20. Nf3 Re8 $1 $19 ) 19... Re8 $8 20. Nf3 (20. Bf3 Qh4 $1 21. Bxe3 $8 Rxe3 22. Kg2 Qg5+ $1 23. Kf2 c5 24. Ne2 Rd3 $1 $17) 20... Re6 $8 21. Kf1 Rf6 22. Ke1 Rxf3 23. Bxf3 Qxf3 24. Rf1 $8 Qxh3 $8 25. Ke2 $8 Qg2+ $8 26. Ke1 Qxh2 $17) (4... exd4 5. e5 Nd5 6. Bc4 Nb6 7. Bb3 d5 8. cxd4 Bg4 9. Be3 f6 $11 {Hou Yifan (2603)-Carlsen,M (2861)/ Wijk aan Zee 2013}) 5. exd5 (5. Bb5 exd4 (5... Bg4 6. Qa4) 6. Nxd4 (6. e5 Ne4 7. Nxd4 Bd7 8. Bxc6 {(Qb3 ...a6 ; f4? ...Qh4+!)} bxc6 {(transposes into the 2-Knight defence, with c2-c3 in addition)} 9. O-O {Carlsen,M (2861) -Harikrishna,P (2698)/Wijk aan Zee 2013}) (6. Ne5 Bd7 {(...Qd6)} 7. Nxd7 Qxd7 8. e5 Ne4 9. f3 Nc5 10. cxd4 Ne6 11. Be3 {Dzhumaev,M (2530)-Jumabayev,R (2567)/ Al-Ain 2012}) 6... Bd7 (6... dxe4 7. Nxc6 Qxd1+ $8 8. Kxd1 a6 $8 9. Ba4 Bd7 $15 10. Bf4 $2 Nd5 $1) 7. exd5 (7. Bxc6) 7... Nxd4 8. Bxd7+ Qxd7 9. Qxd4 Qxd5 10. Qe3+ Be7 (10... Qe4) 11. O-O $8 Qd7 12. Qf3 O-O-O 13. Be3 Qg4 (13... Ng4 $1 $15) 14. Nd2 Bc5 $11 {Tartakower,S-Bogoljubow,E/Berlin 1928}) (5. dxe5 Nxe4 6. Bb5 Bc5 7. O-O O-O 8. Nbd2 Nxd2 9. Qxd2 f6 10. exf6 Rxf6 $11 {Znosko Borovsky, E-Bogoljubow,E/St Petersburg 1914}) 5... Qxd5 $11 6. Be2 (6. Nxe5 Nxe5 7. Qe2 Be6 8. Qxe5 Qxe5+ $8 9. dxe5 Ng4 $1) (6. Be3 Bd6) 6... e4 $1 (6... exd4 7. cxd4 ) 7. Nfd2 $8 e3 $1 {[#]"A chaotic struggle ensues" (XT).} 8. fxe3 (8. Nf3 exf2+ 9. Kxf2 Ne4+ 10. Kg1 Bf5 11. Nbd2 O-O-O 12. Nxe4 Bxe4 13. Qf1 $1 (13. Kf2 Bd6 $15) 13... Kb8 14. h4 $11) 8... Qxg2 9. Bf3 $8 Qh3 $1 10. Qe2 Ng4 (10... Bg4 11. Rg1 h5 12. Bg2 Qh4+ 13. Qf2 $8) 11. Ne4 $1 (11. Nc4 Be6) (11. Kd1) 11... Qh4+ 12. Kd1 {No easy task, but the colour was announced !} (12. Ng3 $6 Bd6 13. O-O (13. Qg2 $2 Nxh2 $1 {XT}) 13... Nxh2 14. Qxh2 Bxg3 15. Qxh4 Bxh4 16. e4 Ne7 17. Na3 Bh3 18. Bg2 Bxg2 19. Kxg2 a6 $1 20. Bf4 (20. Kh3 Ng6) 20... O-O-O 21. Nc4 f6 $15) (12. Nf2 $1 h5 (12... Nxh2 13. Nd2) 13. h3 $11) 12... Bd7 $6 (12... f5 $1 13. h3 (13. Ng3 {XT} Bd6 14. Bxg4 fxg4) 13... Nge5 $1 {[#]} 14. Ned2 $8 (14. Nf2 $6 Nxf3 15. Qxf3 Be6) (14. dxe5 $2 fxe4 $19) 14... Nxf3 15. Nxf3 Qh5 16. b3 $15) 13. Bd2 (13. h3 $1 Nge5 $1 14. dxe5 Nxe5 15. Nbd2 O-O-O $44) 13... O-O-O (13... f5 $1 14. Be1 Qh6 15. Bxg4 $8 fxg4 16. Nbd2 O-O-O $15) 14. Be1 $1 $11 Qe7 15. Bxg4 Qxe4 16. Bf3 Qg6 17. Nd2 f6 18. Bg3 (18. e4 {(for an artificial castle long)} Bd6 19. Kc2) 18... h5 19. Rg1 h4 (19... Bd6 20. Ne4) 20. Bf2 Qf7 21. e4 Bd6 (21... g5) 22. Be3 Na5 $6 (22... g5 23. Kc2 $1 (23. e5 $2 fxe5 24. d5 Ne7) 23... Ne7 24. Raf1 $14) 23. b4 $1 {"Accept to run a thousand risks for a serious material advantage. The already lively and boisterous course of events, will seem placid and monotonous in comparison with what follows" (XT).} ({However} 23. d5 $3 {seems even stronger :} Qe8 ( 23... a6 24. a4 $1 $18) 24. a4 $1 Bxa4+ $6 (24... Be5 25. Kc2) 25. b3 $1 Nxb3 26. Nxb3 Bxb3+ 27. Kd2 $1 $18 {: the wRs are overexcited, but not only they}) 23... Ba4+ (23... Nc6 24. Kc2 $1 (24. a4 $1 {XT}) 24... Kb8 25. Kb2 g5 26. Raf1 $16) 24. Ke1 {"The King is just as (but not more) badly placed on e1 than on d1 ; but the adversary pieces, fully engaged, clash in their movements on this bushy ground" (XT).} ({ Why not on the other side ?} 24. Kc1 $1 Nc6 $8 25. Kb2 a6 (25... Kb8 26. Raf1) 26. e5 $1 (26. Qg2 $1) 26... fxe5 27. Raf1 $1 {(for Bg4+ or Bxc6)} Qe8 { (we would similarly play on ...Qg8)} 28. d5 $1 (28. Rxg7 $4 exd4) 28... Ne7 (28... e4 29. Bg4+ Kb8 30. dxc6 Bb5 31. c4 $16) 29. Ba7 $3 {[#]} (29. Rxg7 $6 e4 $1 30. Bxe4 Be5 31. Rg5 Nxd5) 29... g6 $8 (29... Bb5 30. Bg4+ $1 Bd7 31. Ne4 $1) (29... c6 30. Nc4 $1) (29... b5 30. Rxg7) (29... Qb5 30. Bg4+ $1) (29... Bd7 30. Nc4 $1) 30. Ne4 $1 Nf5 (30... Rf8 31. Nxd6+ Rxd6 32. Bc5 Rd8 33. Qxe5) (30... Nxd5 $2 31. Bg4+ $8 Bd7 32. Nxd6+ cxd6 33. Qc4+ Nc7 34. Bb6 $18) 31. Nf6 $1 Qf7 32. Be4 $3 {(the Bishop of white squares is jealous of his colleague)} Qxf6 33. Rxg6 $8 Qf7 (33... Qe7 34. Re6 $1 $18) 34. Bxf5+ Bd7 $8 35. Be4 $1 Qe7 36. c4 $1 Bxb4 37. d6 $3 {[#]} cxd6 (37... Bxd6 38. c5 $8 Bxc5 39. Bxb7+ $3) 38. c5 $3 d5 (38... Bb5 39. Qg4+ $1 Bd7 40. cxd6 $1 $18) (38... dxc5 39. Bxb7+ $1) (38... Bxc5 39. Bxc5 $1 dxc5 40. Bxb7+ $8) 39. Bxd5 $1 Bh3 (39... Bf5 40. Rd6 $8 Rxd6 {(...Rhf8 Qc4!!)} 41. cxd6 Qxd6 42. Qc4+ $8) 40. Rd1 $8 Bf5 41. Qc4 $1 Rxd5 (41... Bxg6 42. Qg4+ $8 Kc7 {(...Rd7 Bxb7+!!)} 43. Qxb4 $8 Kc8 44. Qg4+ $8) 42. Rxd5 $8 Bxg6 43. Qg4+ $8 Kc7 44. Qxb4 $1 Bf7 (44... Be8 45. Bb6+ $1 Kc8 46. Rd8+ $8) (44... e4 45. Qb6+ $1) 45. Rd6 $8 Kc8 (45... e4 46. Qd4 $1 Rg8 47. Bb6+ $1 Kc8 48. c6 $3 Rg2+ 49. Kc3) 46. c6 $1 Be6 (46... Rg8 47. cxb7+) 47. Qc5 $1 $18 {with terrible threat cxb7+ ...Kxb7 then Rb6+ or Qc6+}) 24... Nc6 $8 25. Nc4 $1 (25. Qc4 $1 Qxc4 26. Nxc4 Bxh2 27. Rxg7 Bg3+ $1 28. Kd2 (28. Ke2 $2 Bb5 $1) (28. Bf2 $11) 28... Ne5 $1 29. Nxe5 fxe5 $11) 25... Bxh2 {The sharpest.} (25... a6 26. Nb2 Bb5 $8 27. c4 (27. Qc2) (27. Qg2 g5 28. a4 {XT} Bc4 29. Kd2 Bb3) 27... Nxd4 $1 28. Bxd4 Bxb4+ 29. Kf1 $8 Rxd4 30. cxb5 Rd2 $1 31. Qc4 $8 Qxc4+ $8 32. Nxc4 Rxh2 $8 $11) (25... Bb5 $4 26. Nxd6+) 26. Nb2 $8 (26. Rh1 $2 Bg3+) (26. Qxh2 $2 Qxc4) 26... Bxg1 27. Bxg1 $11 Nxd4 $1 {"It remains for Black to see their material losses as intended sacrifices and to do so" (XT).} ( 27... Qg6 $1 28. Bh2 Rxd4 $1 29. Nxa4 Rdd8 $11) (27... Ne5 $1 28. dxe5 (28. Nxa4 $6 Qg6 $1) 28... Bd7 29. Nd3 h3 $11) (27... b5 $2 28. Nxa4 bxa4 29. Qa6+ ( 29. Bg4+)) 28. cxd4 $8 (28. Bxd4 $2 Bd7 $1 (28... Bc6 $1) 29. Nd3 Kb8 $17) 28... Bc6 $1 (28... Bd7 $6 29. Rc1) 29. d5 (29. Rc1 Rhe8 $1 30. Rxc6 $8 (30. Kf1 $2 f5 $1 31. e5 Bxf3 32. Qxf3 Kb8 $17) 30... bxc6 31. Na4 (31. Nc4 Rd5 $1 32. Na5 Rxa5) 31... Kd7 $1 32. Nc5+ Ke7 $8 $11) 29... Bxd5 $8 (29... Bd7 $2 30. Rc1 $1 $18) (29... Qg6 $2 30. Bxa7 $1 $18) 30. exd5 $8 Rhe8 $1 31. Be3 $8 f5 $3 {[#]The only good reply.} (31... Rxd5 $2 32. Bxd5 $1 (32. Nc4 $2 b5 $1) (32. Rc1 $1 Rd7 33. Kf1 $1) 32... Qxd5 33. Rc1 $1 Qxa2 34. Nc4 $1 Qxe2+ 35. Kxe2 $18 ) 32. Kf1 $1 {How many players have I known who would have tried to "castle long", watching the protests (or their unlikely absence) of their opponent !} (32. Nd3 $1 Rxe3 $1 (32... g5 $1 33. Nc5 $3 {[#]} g4 $8 {(... f4? Bg4+!! then Qb5!!+-)} 34. Bh1 f4 35. Qb5 $8 c6 $1 {(better than ...Rxe3+)} 36. dxc6 $8 b6 $1 37. Nd7 $1 {(or c7!)} Rxe3+ $8 38. Kf1 Ra3 $8 39. Rc1 $1 Re8 $8 40. c7 $1 Qxd7 $8 41. Bb7+ $8 Kxb7 42. Qxd7 Rf3+ $8 43. Kg1 $11) (32... Rxd5 $2 33. Kf2 $1 $16) 33. Qxe3 Re8 $8 34. Ne5 $8 Qf6 $8 35. Kd2 $1 Rxe5 $8 36. Qxa7 $1 Qg5+ 37. Kd3 $8 Qf4 $1 38. Rf1 $8 Qxb4 39. Rg1 $1 $11) (32. Kf2 $2 f4 $8 $19 {because Bishop's capture will be with check}) 32... g5 $2 {Surestimate the pretty chain of pawns. White has nevertheless 3 "minor" pieces against a Rook.} (32... f4 $3 {("B" logically come after "A" !)} 33. Bh5 $8 (33. Bxa7 $2 Rxe2 $8 34. Bg4+ Rd7 $8 35. Kxe2 {XT} Qf6 $1 {(or ...b6!)} 36. Rb1 Qa6+ $1 {wins}) 33... Qxd5 $1 (33... g6 $2 34. Bg4+ $8 Kb8 35. Be6 $8 Qg7 36. Bf2 Rxd5 37. Re1 $8 h3 $8 38. Bxd5 Rxe2 39. Rxe2 c6 40. Be4 $16) (33... Qf6 $1 34. Bd4 $8 Qxd4 $8 35. Bxe8 $8 Qxd5 $44) 34. Bxe8 (34. Rd1 Qh1+ $8 35. Bg1 $8 Rxe2 {(...Rxd1+ Qxd1 ...Qh3+ also leads to a draw)} 36. Bg4+ $8 Rd7 $8 37. Bxd7+ $8 Kb8 38. Kxe2 Qg2+ $1 39. Bf2 $8 c5 $1 40. bxc5 h3 41. Bf5 b6 $1 $11) 34... fxe3 $1 (34... Rxe8 $6 35. Qg4+ $8 Kb8 $8 36. Bf2 Qh1+ $8 37. Qg1 Qf3 $8 38. Qg2 Qe2+ $8 39. Kg1 h3 $3 {[#]} 40. Qh2 $6 {(Qg6! ...Rd8!! or Qxg7 ...h2+!)} Re6 $1 41. Qxf4 $8 Rg6+ 42. Kh1 $8 Rf6 $8 43. Qe3 $8 Rxf2 $8 $11) 35. Qxe3 $8 Qh1+ 36. Qg1 $8 Qf3+ (36... Qxg1+ 37. Kxg1 Rxe8 38. Kf2 $11) 37. Qf2 $8 $11) 33. Qf2 {A good move, but not the best.} (33. Rc1 $1 g4 (33... f4 34. d6 $3 c6 {(.. .Rxd6 Qb5!! ...c6 Bxa7!)} 35. Bh5 $8 $18) (33... Kb8 34. Qf2 $1 g4 35. Bf4 $1 $18) 34. Bh1 $8 h3 35. Qf2 $1 $18) (33. Qd2 $1 g4 (33... f4 34. Bxa7 $1) 34. Bh1 $8 Rxe3 (34... Re5 35. Rc1) 35. Qxe3 Qg7 36. Rb1 $1 h3 (36... g3 37. Bg2 $1 ) 37. Nd3 $1 g3 38. Nf4 $1 $18) (33. Bh5 $6 Qxd5 34. Bf3 $3 {[#]} (34. Bxe8 $2 Rxe8 { XT} 35. Rc1 $8 h3 $1 {(or ...Qh1+! Kf2 ...Qh2+! Ke1 ...Qg3+! Kd2 ...f4! Rxc7+!! for Bb6+)} 36. Qh2 $8 Qf3+ $8 37. Bf2 $8 f4 $1 38. Nc4 $8 g4 $1 39. Kg1 $8 Re2 $1 {(...Rd8! Re1!! ...Rd1 Nb2!!)} 40. Nd6+ $8 Kb8 {(...Kd7 Nf5! ... g3 Nxg3!! and the possibility Qxh3+ forces ...Qg4!!=)} 41. Nb5 $8 Rxf2 $1 42. Qxf2 $8 h2+ $8 43. Qxh2 $8 Qe3+ $8 44. Qf2 $8 Qxc1+ 45. Qf1 $8 $15) 34... Qf7 $8 ( 34... Qe5 $2 35. Bxg5 $8 Qg3 36. Qg2 $8 $18) 35. Rc1 $8 {(this move is excellent, even without the d5-pawn! It follows a long forced sequence)} c6 $8 ( 35... f4 $2 36. Qb5 $3 c6 37. Bxa7 $18) (35... Rd7 $2 36. Bxb7+ $3 Kxb7 37. Qb5+ $8 Ka8 38. Qc6+ $8 Kb8 39. Bxa7+ $3 {(the well-known theme of the sacrifice of the 2 Bishops on castle)} Kxa7 40. Rc5 $8 Qxa2 41. Qxd7 Qb1+ 42. Nd1 $8 $18) (35... g4 $2 36. Bxb7+ $3 Kxb7 37. Qb5+ $8 Ka8 38. Qc6+ $8 Kb8 39. Bf4 $3 {[#]} Qd5 {(... Re7 Rc5!!)} 40. Bxc7+ $8 Kc8 41. Qa6+ $8 Kd7 42. Rd1 $8 $18 {: long live Nb2 !}) 36. Bh5 $8 {(now, yes !)} Qd5 $8 37. Bxe8 $8 Rxe8 $8 38. Nc4 $3 h3 $3 {[#]} ( 38... f4 $2 39. Qg4+ $1) (38... b5 $2 39. Nd6+ $3 Qxd6 40. Qxb5 $8 Re6 41. Qxf5 $18) (38... Re6 $2 39. Qd1 $3 {(Qd2? authorizes ..Qf3+!!)} Qh1+ 40. Ke2 $8 Qg2+ 41. Kd3 $8 b5 42. Nd2 $8 $18) 39. Rd1 $8 h2 $8 40. Kf2 $8 h1=Q $8 41. Rxh1 $8 Qxh1 $8 42. Nd6+ $8 Kd7 $8 43. Nxe8 $8 Qh4+ 44. Kg1 Kxe8 45. Bxg5+ Qe4 $8 46. Qd2 $16) 33... g4 (33... Qf6 34. Rc1 $1) (33... Qe7 34. Bc5 $1) 34. Bh1 $6 { White will not have really refuted 32...g5?.} (34. Bf4 $3 {(not considered by XT, which will nevertheless place it on next move)} gxf3 (34... Qg7 35. Rc1 $3 gxf3 36. Rxc7+ $8) 35. Rc1 $8 Rxd5 (35... Rd7 $2 36. Qxa7 $8 Rxd5 37. Qa8+ Kd7 38. Qxb7 $18) 36. Qxa7 $3 (36. Rxc7+ $1 Qxc7 37. Bxc7 Kxc7 38. Qxf3 $16) 36... Red8 $8 37. Qa3 $3 {(a finesse that gains a tempo)} (37. Qa8+ $2 Kd7 38. Qxb7 Ke8 $8 $11) (37. Rxc7+ Qxc7 38. Bxc7 Kxc7 39. Qe3 $1 Kb8 40. Qf4+) 37... Kb8 ( 37... Rd2 $2 38. Qa8+ $1 Kd7 39. Qxb7 $8 $18) (37... Qg7 38. Rxc7+ $8 {idem}) 38. Rxc7 $1 Qxc7 39. Bxc7+ Kxc7 40. Qxf3 Rd4 $1 (40... Kb8 41. Qf4+ $1) 41. Qxf5 $1 R8d5 42. Qf6 $1 $16) (34. Bxg4 $6 Rxe3 $8 35. Qxe3 $8 (35. Bxf5+ $2 Kb8 36. Qxe3 Qxf5+ 37. Ke1 {(Qf2 ... Qh3+)} h3 $19 {XT}) 35... fxg4+ 36. Kg1 $8 h3 (36... Qxd5 37. Rd1 $11) 37. Qe6+ $1 Rd7 $11) (34. Rc1 $6 Rxe3 $8 35. Qxe3 gxf3 $8 $11) (34. Be2 $2 Qxd5 $8 $19) 34... Rxd5 $2 {XT graces this with an overly friendly "!".} (34... g3 $3 35. Qf4 {XT} (35. Qf3 Qg7 $1 36. d6 c6 $8 37. Rc1 Rxe3 $1 38. Qxe3 Qxb2 39. Bxc6 $8 bxc6 $8 40. Rxc6+ $8 Kb8 $8 {(otherwise Rc7+!)} 41. Rb6+ $8 axb6 $8 42. Qxb6+ $8 Ka8 $8 $11) 35... Qg7 $3 (35... Rxe3 $6 36. Qxe3 Qg7 37. d6 $1 Qxb2 {(...Rxd6? Rd1!!+- ; ...h3 Qf3!)} 38. Qe6+ $8 Kb8 $8 39. dxc7+ $8 Kxc7 40. Qc4+ $1 Kb8 $8 41. Qf4+ $8 Ka8 $8 42. Rc1 $16) 36. Qd4 Qg4 $1 37. Qf4 (37. Rc1 h3 $1) (37. Qxg4 fxg4 38. Bg5 Rd7 $11) 37... Qg7 $1 (37... h3 $2 38. Bf3 $8) (37... Rxe3 $1 38. Qxe3 h3 $1 39. Qf3 $1 $11) 38. Bd4 Qg4 $8 $11) ( 34... f4 $2 35. Bxf4 $8 (35. Qxf4 $2 Qxf4+ 36. Bxf4 Rf8 37. Nd3 $8 {XT} Rxf4+ $8 38. Nxf4 Rf8 $8 39. Ke2 Rxf4 $11) 35... g3 (35... Rf8 36. Nd3 $8 $18) 36. Qf3 $8 (36. Qd4 $6 Qh5 $1 37. Qd1 $8 Qf5 38. Qf3 $8) 36... Rf8 37. Nd3 $8 Qg7 38. Rc1 $1 h3 $1 39. Ke2 $1 Rde8+ (39... g2 $2 40. Qxh3+ $8) 40. Kd2 $1 Rxf4 41. Nxf4 $1 (41. Qxf4 $6 g2 $1) 41... Qb2+ 42. Kd1 $8 Qd4+ 43. Nd3 $8 g2 44. Qxh3+ $8 Kb8 45. Qxg2 $8 (45. Bxg2 $2 Re3 $8 46. Qxe3 $8 Qxe3 $11) 45... Qxd3+ 46. Qd2 Qg6 (46... Qf5 47. Qd4 $1) 47. Bf3 $1 $18) (34... Qg7 $6 35. Bf4 $1 ( 35. d6 $1 Rxe3 {(...Rxd6 Bf4! ...g3 Qg2!!)} 36. Qxe3 Qxb2 37. Rd1 $1 Qh2 $8 38. d7+ $1 Kb8 39. Bd5 $8) 35... g3 $8 36. Qd2 $8 (36. Qc2 $2 h3 $8 37. Bf3 $2 { (Rc1)} g2+ $3) 36... Qg4 (36... h3 37. Bf3 $1 g2+ $2 {(...Re4!)} 38. Kg1 $18 { : d4 is controlled}) 37. Rc1 Rd7 $8 38. d6 $8 h3 $8 (38... c6 39. Rc3 $1 $18) 39. Bd5 $8 h2 (39... c6 40. Nd3 $8) 40. Bh1 $3 {(back)} Re4 41. Nd3 $8 c6 42. b5 $8 Rh7 43. bxc6 $8 g2+ 44. Qxg2 $8 (44. Bxg2 h1=Q+ $8 45. Bxh1 Rxh1+ 46. Kf2 Qh4+ $8 47. Kg2 $8 $11) 44... Rxf4+ 45. Nxf4 Qxf4+ 46. Ke2 $8 Qe5+ (46... Qxc1 47. Qg8#) 47. Kd1 $8 Qxd6+ 48. Qd2 $16) 35. Bf4 $3 {[#]Prevents Black from "deploy all the energy of the 3 linked passed pawns" as well as "all the vehemence of the 2 freed Rooks" (XT).} (35. Rc1 $1 f4 $1 36. Qxf4 $8 (36. Bxf4 $2 Rf5 $8 $11) 36... Qxf4+ (36... Rf5 $2 37. Rxc7+ $8) (36... Rd7 37. Kg1 $1) 37. Bxf4 Rd7 (37... Rf5 $2 38. Rxc7+ Kd8 39. Rc4 $8 $18) 38. Kg1 Rf7 39. Bg5 $1 h3 40. Nc4 $16) (35. Bxd5 $2 Qxd5 36. Kg1 $2 (36. Rd1 $1 $11 {or on e1}) 36... g3 $8 37. Qf4 (37. Qd2 Qf3 $1 $19) 37... h3 $3 {[#]} (37... Re4 $2 {XT} 38. Qf3 $1 h3 39. Nd3 $1 h2+ $8 40. Kh1 {(or on g2)} Qxd3 41. Qxf5+ $8 Kd8 $8 42. Bg5+ Ke8 $8 43. Qc8+ Kf7 $8 $11 {: without the precautionary ...h2+, there would be now Rf1+!}) 38. Qxg3 Rxe3 $8 39. Qf2 (39. Qg7 Re8 $1 $19) 39... Rf3 $1 40. Qh2 Qd4+ $1 41. Kh1 Qe4 $1 42. Kg1 Qe3+ $1 43. Kh1 Rf2 $19) 35... Re4 ( 35... g3 36. Qxa7 $1 (36. Qf3 $1) 36... Qe7 (36... Re4 37. Bg5 $1) 37. Qa8+ $1 (37. Be3 $1) 37... Kd7 38. Qa4+ $8 c6 39. Bf3 $1 Rd4 40. Rd1 $8 $18) (35... Qe6 36. Bxd5 $1 Qxd5 37. Kg1 $8 {(wins with Bishop on f4 instead of e3, compare with 35 Bxd5?)} g3 (37... Qe4 38. Rc1 $1) 38. Qc5 $3 $18 {: the difference}) 36. Bxe4 fxe4 37. Kg1 $1 $18 (37. Rc1 $1) 37... g3 (37... Rf5 38. Qxa7 $1 Rxf4 39. Rd1 $3 c5 40. Qa8+ {and #3}) 38. Qe3 $3 {[#]Certainly the best.} (38. Bxg3 $2 Qg7 $1 $11) (38. Qxa7 $6 Qxf4 $8 39. Rf1 $8 Qxf1+ $8 40. Kxf1 Rf5+ $8 41. Kg1 (41. Kg2 Rf2+ $8) 41... h3 $8 42. Qa8+ Kd7 43. Qh8 h2+ $8 44. Kg2 $8 Rf2+ 45. Kxg3 Rxb2 $8 46. Qd4+ Kc8 47. Qxe4 $16) (38. Qf1 $1 {(also excellent, but more convoluted)} g2 $1 (38... Rf5 39. Qh3 $8) 39. Qc1 $8 Rd8 {(for ... Rf8)} 40. Nc4 $1 {(this would also have followed 39...Rf5)} e3 $1 41. Bxe3 $8 $18 ) 38... Qf6 (38... Rf5 39. Qxa7 {as already seen on 37e}) 39. Rb1 $1 (39. Rd1 $1 Qxb2 (39... Rxd1+ 40. Nxd1 Qc6 41. Nc3) 40. Rxd5 Qh2+ 41. Kf1 g2+ 42. Ke2 $8 g1=Q+ (42... g1=N+ 43. Kf1) 43. Bxh2 Qxh2+ 44. Qf2 $18) 39... Rf5 (39... Kb8 40. Qxe4 $1 {XT} (40. Rd1 $1) 40... Rd4 41. Qe8+ Rd8 42. Qe5 $18) (39... b6 40. Rd1 $1 Rxd1+ 41. Nxd1 $18) (39... c6 40. b5 $1 (40. Na4 $1) (40. Qxe4 $1) 40... Rxb5 41. Qxe4 $1 $18) 40. Qxa7 $8 (40. Bh6 $2 {("pitiful")} Rf3 $1 (40... h3 $1) 41. Qxe4 Qb6+ $8 42. Kh1 $8 g2+ $3 43. Kh2 $8 Qd6+ $8 44. Kg1 (44. Kxg2 $2 Qg3+ $8 45. Kh1 Qh3+ $8 46. Kg1 Rg3+ $8 47. Kf2 Qh2+ $8) 44... Qb6+ $8 45. Kh2 $8 Qd6+ $8 46. Kg1 $11) 40... Rd5 (40... Rxf4 41. Qa8+ $8 (41. Rd1 $4 Qa6 $3 $19) 41... Kd7 42. Rd1+ $8 {XT} Ke6 (42... Kc6 {: #2}) 43. Qc8+ $1 Kf7 44. Rd7+ $8 Kg6 (44... Ke6 45. Rxc7+ $1) 45. Qg8+ $8 Kf5 (45... Kh5 46. Rh7+ $8) 46. Rd5+ $1 (46. Rf7 $1)) (40... Qa6 41. Qxa6 bxa6 42. Be3 $18) (40... Kd7 41. Rd1+ Ke7 42. Qxb7 $18) 41. Qa8+ $1 (41. Nc4 $1 Qxf4 42. Rf1 $1) 41... Kd7 42. Qxb7 $1 (42. Qg8 $1 {(less natural)} Qb6+ (42... c6 43. Qg4+ $1) 43. Kh1 $8 $18) 42... Qd4+ 43. Kh1 $8 e3 $1 (43... g2+ 44. Kxg2 $8 h3+ 45. Kh1 $1) 44. Rc1 $2 {"A rare case where the execution was stronger than the threat" (XT). So throughout the game, this move was extremely powerful !} (44. Qxc7+ $8 Ke6 45. Rc1 $1 {XT} Qe4+ (45... g2+ 46. Kh2) 46. Kg1 e2 47. Qc8+ $8 Rd7 (47... Kf7 48. Rc7+ $1 Qe7 49. Nd3 $1) 48. Rc6+ $1 Ke7 49. Bg5+ $8) 44... g2+ $3 {[#] "Deus ex machina" (XT).} (44... Qe4+ $2 45. Kg1 Rd1+ 46. Rxd1+ $8) (44... Qxf4 $2 45. Qxd5+) 45. Kxg2 $8 (45. Kg1 $2 e2+ $8 46. Kxg2 Qe4+ $8) 45... h3+ $2 { "Reciprocal superfinesse that returns things to the status quo ante" (XT). The time control was apparently at move 45.} (45... Qe4+ $8 46. Kg1 $8 Rg5+ $3 {[#]("forgotten" move)} 47. Bxg5 $8 Qxb7 $8 {XT} 48. Nd3 $1 (48. Rd1+ $1) (48. Bxe3 $6 Qe4 $1 49. Nc4 $2 h3 $8 $19) 48... Qd5 49. Nc5+ $8 Ke8 50. Bxh4 $8 $11) (45... Qxb2+ $2 46. Kh3 $8 $18) 46. Kf3 $1 (46. Kxh3 $1 Rh5+ 47. Kg4 $8 Rh4+ 48. Kxh4 $8 Qxf4+ 49. Kh3 $8 $18) 46... Ke6 47. Rxc7 $1 (47. Qc8+ $1) 47... h2 48. Qc6+ Rd6 49. Qe8+ $1 (49. Qe8+ $1 Kd5 (49... Kf5 50. Qh5+ Kf6 51. Qf7#) 50. Rc5+ (50. Qh5+ Ke6 51. Qf7#) 50... Qxc5 51. Qe4#) (49. Re7+ $1 Kf6 ( 49... Kxe7 50. Bxd6+ Qxd6 51. Qxd6+ Kxd6 52. Kg2 $8 e2 53. Nd3 $8) 50. Qxd6+ $8 Qxd6 51. Bxd6 h1=Q+ 52. Kxe3 $8 Qc1+ 53. Kd3 $3 Qxb2 54. Be5+ $8) (49. Qxd6+ $2 Qxd6 50. Bxd6 h1=Q+ $8 51. Kxe3 $8 $11) 1-0 [Event "h#2"] [Site "?"] [Date "1973.??.??"] [Round "?"] [White "Hazebrouck, A."] [Black "3728.86"] [Result "1-0"] [SetUp "1"] [FEN "8/2q3P1/1n1p1r1p/p6p/RnNKpPkP/P1p3r1/1P1PP1P1/2BN1B2 b - f3 0 1"] [PlyCount "4"] [EventDate "1973.??.??"] [EventType "swiss"] [SourceDate "2022.01.01"] {It is Black to play. Let us demonstrate that the last move was f2-f4. Pg7 comes from c2, he had to take the 4 missing black units: the white-squared bB, the promoted bbP, the fbP on his file but also the black-square bB, so he cannot have passed through g6. The last move could not be a2-a3 (there was bxRa2, the only black capture with ...gxQh) nor h2-h4 (there was Rh1-h3 to a4). And neither the White King nor the Knights could play the last move, which was therefore f2-f4.} 1... exf3 $1 2. Kxc3 Nc6 3. Nce3# {Express clearance of the 4th row.} 1-0 [Event "2#"] [Site "?"] [Date "1923.??.??"] [Round "?"] [White "Salamanca, T."] [Black "4545.33"] [Result "1-0"] [SetUp "1"] [FEN "1B1K4/7P/3N1R1p/Rn1qk2N/2b1p2P/2P2r2/3Qp3/8 w - - 0 1"] [PlyCount "0"] [EventDate "1923.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1953.??.??"] [Round "?"] [White "Monteiro Da Silveira, JL."] [Black "4588.24"] [Result "1-0"] [SetUp "1"] [FEN "b1rqBB1b/5p2/R2nk1pR/3p1NQn/2PP4/1N4p1/8/6K1 w - - 0 1"] [PlyCount "0"] [EventDate "1953.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1966.??.??"] [Round "?"] [White "Wennick, E."] [Black "1788.34"] [Result "1-0"] [SetUp "1"] [FEN "5N2/3pN3/1p4Q1/3pkp2/br2P3/b1n1B1P1/r2n1PK1/3R1B2 w - - 0 1"] [PlyCount "0"] [EventDate "1966.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1968.??.??"] [Round "?"] [White "Vladimirov, VS."] [Black "1282.23"] [Result "1-0"] [SetUp "1"] [FEN "K4Q2/b2p2p1/8/2pkN2R/3P2BR/8/3P1NbB/8 w - - 0 1"] [PlyCount "0"] [EventDate "1968.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "2016.??.??"] [Round "?"] [White "Kuzovkov, A."] [Black "4842.38"] [Result "1-0"] [SetUp "1"] [FEN "5KB1/1p3Qp1/pP4Pp/Rr2k2r/R2pN1p1/2Np1P2/6pq/5b2 w - - 0 1"] [PlyCount "0"] [EventDate "2016.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "2009.??.??"] [Round "?"] [White "Reddmann, H."] [Black "4875.13"] [Result "1-0"] [SetUp "1"] [FEN "1KNk1N1R/p4P2/3rb3/1pB5/8/b4n2/qp1Q4/3rR3 w - - 0 1"] [PlyCount "0"] [EventDate "2009.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1974.??.??"] [Round "?"] [White "Caresmel, A."] [Black "4822.31"] [Result "1-0"] [SetUp "1"] [FEN "8/qpQRB3/4b1r1/4P3/3N1k1r/6RP/2B4P/5NK1 w - - 0 1"] [PlyCount "0"] [EventDate "1974.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1965.??.??"] [Round "?"] [White "Metlitzky, V."] [Black "1178.01"] [Result "1-0"] [SetUp "1"] [FEN "B1RKQ3/7b/7b/6p1/NN1k2n1/8/8/4n3 w - - 0 1"] [PlyCount "0"] [EventDate "1965.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1965.??.??"] [Round "?"] [White "Thomson, PC."] [Black "4872.05"] [Result "1-0"] [SetUp "1"] [FEN "5rqb/3B4/2N5/1R2p3/1p2k3/3p1Rp1/1r3pK1/1b1Q1N2 w - - 0 1"] [PlyCount "0"] [EventDate "1965.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1917.??.??"] [Round "?"] [White "Ellerman, A."] [Black "4847.04"] [Result "1-0"] [SetUp "1"] [FEN "4r3/2N1np2/1p5p/qp2R2K/r2k4/2R3Q1/1b6/3n1B2 w - - 0 1"] [PlyCount "0"] [EventDate "1917.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1968.??.??"] [Round "?"] [White "Kisis, I."] [Black "4878.02"] [Result "1-0"] [SetUp "1"] [FEN "1n4B1/N4R2/4R3/2r4q/p1kr2N1/K1p4n/8/1Q3bb1 w - - 0 1"] [PlyCount "0"] [EventDate "1968.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "2#"] [Site "?"] [Date "1994.??.??"] [Round "?"] [White "Burger, R."] [Black "4885.23"] [Result "1-0"] [SetUp "1"] [FEN "6n1/1b1Q1p2/1b3p2/3R1N2/r1r1k3/2P3B1/3p1RP1/1q1N1BK1 w - - 0 1"] [PlyCount "0"] [EventDate "1994.??.??"] [SourceDate "2022.01.01"] {After H.V. Tuxen, 1930.} -- 1-0 [Event "3#"] [Site "?"] [Date "1890.??.??"] [Round "?"] [White "Meredith, W."] [Black "1850.13"] [Result "1-0"] [SetUp "1"] [FEN "6R1/3p4/R3rp2/2r2k2/2p2B2/5B2/5P1K/2Q4b w - - 0 1"] [PlyCount "0"] [EventDate "1890.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "3#"] [Site "?"] [Date "2008.??.??"] [Round "?"] [White "Brankovic, Lj"] [Black "1848.35"] [Result "1-0"] [SetUp "1"] [FEN "2RR2N1/p1r2p1r/4nQ2/3ppn2/1P1k1N1p/5P2/b1pP4/2K2B2 w - - 0 1"] [PlyCount "0"] [EventDate "2008.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "5#"] [Site "?"] [Date "1948.??.??"] [Round "?"] [White "Schneider, St"] [Black "1311.23"] [Result "1-0"] [SetUp "1"] [FEN "6B1/4r3/P4p2/2N2k2/4p3/4p1Q1/4P3/K7 w - - 0 1"] [PlyCount "0"] [EventDate "1948.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "h#2 2 sol"] [Site "?"] [Date "1998.??.??"] [Round "?"] [White "Gurov, V."] [Black "3428.00"] [Result "1-0"] [SetUp "1"] [FEN "N5n1/7K/2k5/7R/8/BB1N4/1n6/r3q3 b - - 0 1"] [PlyCount "0"] [EventDate "1998.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "h#3 3 sol"] [Site "?"] [Date "1982.??.??"] [Round "?"] [White "Molnar, A."] [Black "0675.13"] [Result "1-0"] [SetUp "1"] [FEN "8/n7/prp5/1N1Pp1b1/bN2k3/rB6/1K6/8 b - - 0 1"] [PlyCount "0"] [EventDate "1982.??.??"] [SourceDate "2022.01.01"] {Ultimate version.} -- 1-0 [Event "h#4 2 sol"] [Site "?"] [Date "1985.??.??"] [Round "?"] [White "Loustau, JM."] [Black "0363.20"] [Result "1-0"] [SetUp "1"] [FEN "8/3bK3/6r1/4bkn1/5P2/4P3/8/8 b - - 0 1"] [PlyCount "0"] [EventDate "1985.??.??"] [SourceDate "2022.01.01"] 1-0 [Event "s#3"] [Site "?"] [Date "2002.??.??"] [Round "?"] [White "Janevski, Z."] [Black "1174.37"] [Result "0-1"] [SetUp "1"] [FEN "2N5/5R2/1p5b/1Qp1k1p1/2P3B1/2pPKPp1/2p1n1p1/5b2 w - - 0 1"] [PlyCount "0"] [EventDate "2002.??.??"] [SourceDate "2022.01.01"] 0-1 [Event "s#5"] [Site "?"] [Date "2018.??.??"] [Round "?"] [White "Gamnitzer, C."] [Black "4778.53"] [Result "0-1"] [SetUp "1"] [FEN "7r/q1P3Pr/1p1N1P1n/4N3/2pQpkPK/1bP5/6R1/n1b3B1 w - - 0 1"] [PlyCount "10"] [EventDate "2018.??.??"] [SourceDate "2022.01.01"] 1. f7 $1 {(2 Nd3+)} (1. g5 $2 Bd1 $1) 1... Nc2 (1... Qa5 2. Nd3+ Kf3 3. Ne1+ Kf4 4. Qf6+ Qf5 5. Qxf5+ Nxf5#) (1... Bd2 2. Be3+ Bxe3 3. Nd3+ Kf3 4. Ne1+ Kf4 5. Qf6+ Nf5#) 2. g5 $1 {(3 Rg4+)} Nxd4 3. cxd4 {Same threat.} Bd1 4. Bh2+ $1 { Now that the Queen has been replaced by weaker.} Ke3 5. Nf5+ Nxf5# 0-1

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