R+B vs R


PGN Reader
[Event "White to play and win"] [Site "?"] [Date "2007.??.??"] [Round "?"] [White "Villeneuve, A."] [Black "0410.00"] [Result "1-0"] [SetUp "1"] [FEN "1k6/1r6/2RK4/3B4/8/8/8/8 w - - 0 1"] [PlyCount "15"] [EventDate "2007.??.??"] [SourceDate "2000.07.25"] 1. Rc3 $3 {[#]Not too far... to force bR to go as far as possible.} ( 1. Rc2 $2 Rb6+ $8 2. Bc6 Ka7 $8 (2... Rb3 $2 3. Ra2 $8 Kc8 4. Rf2 $1 Kb8 5. Rf8+ Ka7 6. Ra8+ $8 Kb6 7. Rb8+ $8) 3. Ra2+ Ra6 $8 4. Rh2 Ra3 $3 {[#]} 5. Kc7 (5. Rh7+ Kb6) 5... Ka6 $8 6. Rh8 Ka5 $8 7. Ra8+ Kb4 $11 {: black Rook is too close}) (1. Rc1 $2 Rb6+ $8 (1... Rg7 $2 2. Rb1+ $8 Ka7 3. Kc5 $1 Rg6 4. Rb2)) ( 1. Ra6 $2 Rd7+ $8) 1... Rb6+ (1... Rg7 2. Rb3+ $8 Ka7 3. Kc5 $1 (3. Kc6 $6 Rg1 $1 4. Rb7+ $8 Ka8 5. Rh7 $8 Rg6+ 6. Kc7+ Ka7 7. Bc4 $3) 3... Rg6 (3... Rd7 4. Rb1 $1 Re7 5. Rf1 Rc7+ 6. Bc6 $8 Kb8 7. Kd6 Rh7 8. Rf8+ $8 Ka7 9. Kc5 $1) (3... Rg1 4. Rb7+ $1 Ka6 5. Rh7 $1 Rg5 {(...Rc1+ Bc4+)} 6. Rh8 Rg7 7. Rh2 Ka7 8. Ra2+ ) (3... Re7 4. Rf3 $1 Rc7+ {(...Kb8 Kd6!)} 5. Bc6 $8) 4. Rb1 Rh6 (4... Rb6 5. Rh1 Ra6 6. Rh8 $8 Ra5+ 7. Kc6 $8) 5. Rb7+ $8 Ka6 6. Rb8 $8 Ka5 (6... Rh7 7. Rb1 ) 7. Rb3 $1 Rh4 8. Bf3 $1 {Philidor}) (1... Rh7 2. Rb3+ $8) (1... Rc7 $6 2. Rb3+ $1) 2. Bc6 $8 {Threatens Ra3 and, on ...Kc8, Rf3.} Ka7 (2... Rb1 3. Ra3 $8 Kc8 4. Rf3 $1 Rd1+ (4... Kb8 5. Rf8+ Ka7 6. Ra8+ $8) 5. Bd5 $8 Kb8 6. Ra3 $1) ( 2... Rb4 3. Ra3 $1 Kc8 4. Rf3 $1 Kb8 5. Rf8+ Ka7 6. Kc5 $8 (6. Ra8+ $2 Kb6 7. Rb8+ Ka5 $8) 6... Rb8 7. Rf7+ $1 Ka6 8. Rf1 $18) 3. Ra3+ $8 (3. Rf3 $2 Rb1 $1 4. Rf8 (4. Kc7 Rb7+ $1) 4... Rg1 $1 (4... Rb8 $1)) 3... Ra6 4. Rh3 $1 Ra2 { Compare with the try where the bR is in a3.} (4... Rb6 5. Kc5 $8 Rb2 6. Ra3+ $8 Kb8 7. Kd6 $8 Kc8 8. Rf3 $1 {: above}) (4... Kb6 5. Rb3+ $8 Ka7 (5... Ka5 6. Kc5 $1) 6. Rb7+ $8 Ka8 7. Rf7+ Kb8 8. Rf8+ Ka7 9. Kc7) (4... Ra5 5. Kc7 $8 Ka6 6. Rh8 $8) 5. Kc7 $8 Ka6 6. Rh8 $8 Ka5 7. Ra8+ $8 Kb4 8. Rxa2 $8 1-0

[Event "White to play and win"] [Site "?"] [Date "2013.??.??"] [Round "?"] [White "Villeneuve, A."] [Black "0410.00"] [Result "1-0"] [SetUp "1"] [FEN "6k1/R7/6BK/8/8/5r2/8/8 w - - 0 0"] [PlyCount "53"] [EventDate "2013.??.??"] [SourceDate "2000.07.25"] {With the Black Rook on f1, f2 or f4 it would be Szen's theoretical draw. But with the bRf3, it is lost. As there is a bad file for the defensive Rook (the Knight-file), there is now a bad row, the 3rd! This study constitutes a theoretical novelty.} 1. Kg5 $3 {[#]The only winning move seems to give up the threat of mate! But this will be temporary. The conversion of the bR on the 6th rank (in view of Centurini's defence) will not be possible.} Kh8 {The three defences valid when the bR is in f2 are now obsolete.} (1... Rc3 2. Be4 $3 {[#]} Kf8 {(...Rd3 & ...Rb3 not possible)} (2... Rc8 3. Kf6 $1 Rf8+ 4. Kg6 $8 Rc8 5. Bd5+ $1 Kf8 6. Be6 $1 Rc2 7. Kf6 $1 Rf2+ 8. Bf5 $8 {Lolli}) 3. Kf6 $8 Ke8 (3... Rc6+ {impossible}) 4. Ke6 $8 Kf8 (4... Kd8 5. Kd6 $8) 5. Rf7+ $8 Ke8 (5... Kg8 6. Kf6 $8) 6. Bd5 $1 Rc1 7. Kd6 $8 Re1 8. Rf2 $1 Kd8 9. Rf8+ Re8 10. Rf7 $1 {Philidor}) (1... Rb3 2. Bf7+ $8) (1... Rg3+ 2. Kf6 $8 Rf3+ 3. Bf5 $8) (1... Kf8 2. Bf5 $8 Ke8 3. Kf6 $8 {(no ...Rd3)} Kd8 4. Rd7+) (1... Rd3 2. Bxd3) (1... Rf8 2. Re7 $3 (2. Rc7 $2 Rd8 $3) 2... Ra8 (2... Rd8 3. Bf5 $1 Rd6 4. Be6+ $8) 3. Bf5 $1 Rb8 (3... Kh8 4. Be6 Ra7 5. Re8+ Kh7 6. Kf6 Kh6 7. Rg8 {is Lolli after a quarter turn}) 4. Be6+ Kf8 5. Kf6 $1 Rb1 6. Rh7 Rf1+ 7. Bf5 $8 {Lolli}) (1... Rf2 {(threat variation)} 2. Bf5 $8 Kf8 3. Kf6 $8 Re2 4. Rb7 {Lolli}) 2. Bf5 $3 (2. Rb7 $6 Rf2 3. Bf5 $1 Rg2+ 4. Kf6 $8 Rg7 5. Rb8+ $8) (2. Be4 $6 {(waste of time)} Rg3+ { (this so-called "dualistic" line is the pretext that a "wcci" judge finds to give a zero -sic- to this study)} 3. Kf6 Rg7 4. Ra8+ Rg8 5. Ra6 Rf8+ 6. Kg6 Rg8+ 7. Kh6 Rf8 8. Rb6 {(or Rc6, end of the remark of the judge-resic)} Rd8 9. Rf6 Rg8 10. Rd6 $3 Rf8 11. Bf3 $3 {gives exactly the text with a late move !!}) 2... Rg3+ 3. Kf6 $8 Rg7 $1 (3... Rg1 $6 4. Ra4 $1 Rg2 5. Rh4+) 4. Ra8+ $8 (4. Ra1 $2 Rf7+ $8 5. Ke5 Kg7 $8 6. Be6 Rf2 $11) 4... Rg8 5. Ra6 $3 {[#]} (5. Ra1 $6 Rf8+ 6. Kg6 $8 Rg8+ 7. Kh6 $8 (7. Kf7 $2 Rg7+ $8 8. Kf6 Rf7+ $1) 7... Rg7 8. Ra8+ $8 Rg8 9. Ra6 $8 {: text on 7th, so with two moves late}) 5... Rf8+ (5... Re8 6. Be6 $1 Kh7 (6... Rf8+ 7. Kg6) 7. Ra5) (5... Rg1 6. Ra4 $1 Rg4 7. Bxg4) 6. Kg6 $8 Rg8+ 7. Kh6 $8 Rf8 $1 (7... Rb8 8. Be6 $3 {[#]} Rf8 (8... Rd8 9. Ra7) 9. Kg6 $8 Re8 10. Rb6 {Z} Rf8 (10... Ra8 11. Rb7) 11. Rb1 $1 (11. Rb7 $2 Rf6+ $8 {[#]})) (7... Rg7 8. Bg6 $8 Rh7+ 9. Kg5 $8 Rc7 ( 9... Rh1 10. Kf6 $1 Rf1+ 11. Bf5 $8 Rg1 12. Ra4) 10. Kf6 $8 Rc8 11. Bf7 $1 Kh7 12. Ra4 $1 Rc6+ 13. Be6 $8) (7... Rg1 8. Bg6 $1 Rh1+ 9. Kg5 Kg7 10. Ra7+ $8 Kf8 11. Kf6 $8 Rf1+ 12. Bf5 $8) 8. Rd6 $3 {[#]Zugzwang. The only good square: you must leave the square c6 for the Bishop and do not intercept the diagonal a2-g8. This gain was missed in particular in Ljubojevic-De la Villa 1996.} (8. Be4 $6 Rb8 9. Rf6 $1 Rg8 10. Rd6 $8 Rf8 11. Bf3 $8 {: text with a late move}) (8. Bg4 $6 Rg8 $1 9. Bh5 $6 Rb8 {is premature: Von der Lasa demands that the bR be rejected at the bottom of the board, see move 12}) (8. Be6 $2 Rf6+ $8) (8. Kg5 $2 Kg7 $8 9. Ra7+ Rf7 $8) (8. Bg6 $2 Kg8 $8 9. Kg5 Rf1 $1) (8. Rc6 $6 Rg8 $1 9. Be4 (9. Be6 $2 Rg6+ $8) 9... Rf8 (9... Rb8 10. Bd5 $2 Rb6 $8) 10. Bf3 Rd8 11. Rf6 $1 (11. Bd5 $2 Rd6+ $3 {[#]}) 11... Rg8 12. Rd6 $8 (12. Bd5 $2 Rg6+ $1) 12... Rf8 13. Bg2 Rg8 14. Be4 $1 Rf8 15. Bf3 $3 {: text on 10th}) (8. Re6 $6 Rg8 9. Be4 Rf8 10. Bf3 $2 {(compare with text)} Kg8 $1 11. Bd5 Kf7 $3 {[#]: the King flees without fear of the battery}) (8. Rg6 $2 Rxf5) (8. Rb6 $6 Rg8 $1 9. Be4 Rf8 10. Bf3 Rg8 11. Rb4 $6 (11. Rd6 $1) 11... Rd8 $1 12. Rb6 $8 (12. Kg6 $2 Rd6+ $8 13. Kf7 Rd7+ $8)) (8. Kg6 $6 Rg8+ $1 9. Kf7 $2 Rg7+ $8 10. Kf6 Rf7+ $8) 8... Rg8 $1 (8... Ra8 9. Be6 $8 Rf8 10. Kg6 $1) (8... Kg8 9. Be6+ $1 Kh8 10. Kg6 $1 {idem}) 9. Be4 $3 {Zugzwang. [#]} (9. Be6 $2 Rg6+ $8) 9... Rf8 (9... Rg1 $6 10. Bg6 $8 {: text on 14th}) (9... Rb8 $6 10. Bd5 $1 Rb6 11. Bc6 $3 {: see 10. ..Rb8}) (9... Rg7 10. Bg6 $8 Rh7+ 11. Kg5 $8 Ra7 12. Kf6 $8 Ra8 13. Bf7 $1 Kh7 14. Rd4 Ra6+ 15. Be6 $8) 10. Bf3 $3 {Zugzwang. [#] Already indicated by Troïtzky in 1914, but the continuation he gave was erroneous.} (10. Bh1 $6 {(the Bishop will have to operate in g4 and h5)} Rg8 $1 11. Be4 Rf8 12. Bf3 $8) (10. Bg2 $6 Rg8 $1 11. Rd2 $2 Rxg2 $8 $11) 10... Rg8 $1 (10... Rb8 11. Bd5 $3 {[#]} Rb6 $1 12. Bc6 $1 {[#](it was therefore necessary for wR to be on d6)} Kg8 (12... Rb8 13. Rd7 $1) 13. Kg6 $1 Rb8 (13... Kf8 14. Kf6 $1) 14. Rd7 $1 Rc8 15. Rg7+ $1 Kh8 16. Rh7+ $8 Kg8 17. Bd5+) (10... Re8 11. Bd5 $8 Rb8 (11... Re6+ 12. Rxe6 $8) 12. Kg6 Rb6 13. Bc6 $8 Rb8 14. Kf7) (10... Kg8 11. Bd5+ $8 Kh8 12. Kg6 $8 Rb8 (12... Rc8 13. Rd7) 13. Kf7) 11. Rd4 $3 {Zugzwang (the 4th in a row). [#]The plan is to force down the bR to enter Von der Lasa, while preparing to play Kg6 if it insists on staying on the 8th rank. The square d4 (or d2) is chosen to avoid stalemate blackmail. And d5 would allow a later ...Rb7+. } (11. Rd3 $6 Rg3 $1 12. Rd8+ $1) (11. Rd1 $6 Rg1 $1 12. Rd8+ $1) (11. Rd2 $3 { (is the same)} Rg1 (11... Re8 12. Kg6 $8 Kg8 13. Bg4 $1) 12. Bh5 $8 Rg2 $1 13. Rd6 $3 {: text}) (11. Bd5 $2 Rg6+ $8) (11. Bh5 $6 Ra8 12. Bf3 $1) (11. Rd5 $6 Rb8 $1 12. Rd6 $8 (12. Kg6 $2 Rb6+ $8 13. Kf7 Rb7+ $8)) (11. Rd7 $6 Rg7 12. Rd8+ $1) 11... Rg1 (11... Rg7 12. Bh5 $3 Rh7+ $6 (12... Rg1 $1 13. Rd6 $3 {: text}) 13. Kg6 $8 Rg7+ 14. Kf6 $8 Rg1 15. Bg4 $1) (11... Re8 12. Kg6 $1 {[#] (threatens Rh4+ and Bd5+, which would be parried by ...Rd8 if wR had not chosen the right file)} Kg8 (12... Re6+ 13. Kf7 $8) (12... Rg8+ 13. Kf7 $8 Rg7+ 14. Kf6 $8 {(would be ineffective if wR had remained on d6)} Kh7 15. Rh4+ $3 {(the difference)} Kg8 16. Bd5+ $1) (12... Rc8 13. Rh4+ Kg8 14. Bd5+ Kf8 15. Rh8+) 13. Bg4 $3 {[#]} Kf8 (13... Kh8 14. Kf7 $1 Rg8 $1 15. Bf3 $1 Rg7+ 16. Kf6 $8) (13... Rb8 14. Be6+ $8 Kf8 15. Kf6 $8 Ke8 16. Bf7+ $1 Kf8 17. Rg4 Rb6+ 18. Be6 $8) 14. Kf6 $8 Re7 15. Rd8+ $8 Re8 16. Rd7 $8 Re4 (16... Rb8 17. Rh7 $1 Kg8 18. Rg7+ $8 Kh8 19. Be6 $3 Rf8+ 20. Bf7 $8 Rb8 21. Rg4) (16... Kg8 17. Be6+) 17. Rc7 $1 Re1 18. Rh7 $8 Rf1+ (18... Kg8 19. Rh2) 19. Bf5 $8 Rg1 20. Bh3 $8 {: text}) (11... Rb8 12. Kg6 $8 Kg8 (12... Rb6+ 13. Kf7 $8) 13. Bc6 $1 (13. Bd5+ $2 Kf8 $1) 13... Rc8 14. Bd7 $3 {[#]} Rc2 (14... Ra8 15. Be6+ $1 Kf8 16. Kf6 $8 Ke8 17. Rh4) 15. Re4 $1 Rg2+ 16. Kf6 $1 Rf2+ 17. Bf5 $8 Kf8 18. Rh4 $1 Rg2 19. Rh7 $8 Rg1 20. Bh3 $8 {idem}) (11... Rg4 12. Bxg4 $1) 12. Bh5 $3 {[#]} Rg2 (12... Rg8 $6 13. Bf7 $3 Rb8 (13... Rf8 14. Kg6) 14. Be6 $3 Re8 15. Rd6 $8 Rf8 16. Kg6 $8 Re8 17. Rc6 $1 {Z} Rf8 18. Rc5) (12... Rg7 13. Rd6 $1 Rg8 $6 14. Bf7 $1) 13. Rd6 $3 {[#]Back on the old good square, preparing the transfer of the wK.} (13. Rc4 $6 Rg1 14. Rc6 $8) (13. Bg6 $6 Rh2+ 14. Kg5 $6 Ra2 $1 {(we are not ready for Kf6)} 15. Rd6 $2 Kg7 $8 16. Rd7+ Kf8 $8 17. Kf6 Ra6+ $8) 13... Rg1 {Von der Lasa.} (13... Rg8 14. Bf7 $1 Rf8 15. Kg6 $1 Ra8 16. Be6) (13... Rg7 14. Bg6 Rh7+ 15. Kg5 $8) 14. Bg6 $8 Rh1+ 15. Kg5 $8 {Echo of the fist move.} Rf1 (15... Kg7 16. Rd7+ $8 Kf8 17. Kf6 $8 Rf1+ 18. Bf5 $8 {idem}) (15... Ra1 16. Kf6 $8 Ra8 17. Bf7 $1 Kh7 18. Rd4 $1 Ra6+ 19. Be6 $8) 16. Bf5 $8 Kg7 17. Rd7+ $8 Kf8 18. Kf6 $8 Re1 ( 18... Ke8 19. Rd2 $1 Rf4 (19... Rf3 20. Rc2) 20. Re2+ $1 (20. Rh2 $1) 20... Kd8 (20... Kf8 21. Rc2) 21. Rc2) 19. Rh7 $8 Rg1 20. Bh3 $3 {[#]Lolli.} Rg3 21. Be6 $8 Rf3+ 22. Bf5 $8 Rg3 23. Rf7+ $8 Kg8 (23... Ke8 24. Rc7) 24. Rd7 $1 Kh8 25. Rd4 $1 Rg7 (25... Rg1 26. Rh4+ $1 Kg8 27. Be6+) 26. Rh4+ $1 (26. Bg6 $1 Rf7+ 27. Bxf7 $8) 26... Kg8 27. Be6+ $8 1-0

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