R vs R+B

[Event "White to play and draw"] [Site "?"] [Date "1998.??.??"] [Round "?"] [White "Villeneuve, A."] [Black "0430.00"] [Result "1/2-1/2"] [SetUp "1"] [FEN "r7/8/8/8/2k5/3b4/1K1R4/8 w - - 0 1"] [PlyCount "15"] [EventDate "1998.??.??"] [SourceDate "2000.07.25"] {Twin (a).} 1. Rf2 $3 (1. Kc1 $2 Ra1+ $8 2. Kb2 Rh1 $1 {Z} 3. Rg2 (3. Ka3 Kc3 $8 4. Rb2 Ra1+ $8 5. Ra2 Rb1 $8 6. Rg2 Rb6 {idem}) 3... Rb1+ $8 4. Ka2 Kc3 $8 5. Ka3 Rb6 $19) (1. Rg2 $2 Rb8+ $8 2. Ka1 (2. Kc1 Rb1+ $8 3. Kd2 Rb2+ $8) 2... Rb1+ $1 3. Ka2 Kc3 $8 4. Ka3 Rb8 $1 $19) 1... Rb8+ 2. Kc1 $8 (2. Ka1 $2 Rb1+ $1 3. Ka2 Kc3 $8) (2. Ka3 $2 Kc3 $1 3. Rf4 Rb1 $1 4. Ka2 (4. Rf2 Rb3+ $3) 4... Rh1 $1 5. Rf3 Rh6 $1 $19) 2... Rb1+ (2... Kc3 3. Rc2+ $3 {[#]}) 3. Kd2 Kd4 (3... Rb2+ 4. Ke3 $1) 4. Rf4+ $1 ({Or} 4. Rf3 $1 Rb2+ 5. Kd1 $1 {(or on e1)} Kc3 6. Ke1 $8 Re2+ 7. Kd1 {Centurini} Re8 8. Rg3 $1 Ra8 9. Ke1 $8 Rf8 10. Rg1 $8 $11) ({But not} 4. Rf7 $2 Rb2+ $8 5. Ke1 Ke3 $8 6. Re7+ Be4 $8 $19 {Philidor}) 4... Be4 5. Rf8 $1 (5. Ke2 $2 Rb2+ $8) (5. Rf2 $1) 5... Rb2+ 6. Kd1 $3 {[#]} (6. Kc1 $2 Rc2+ $8 7. Kd1 Ke3 $1 8. Rd8 Rc7 $1) (6. Ke1 $2 Ke3 $8 7. Rd8 Rg2 $1 8. Rf8 Rg6 $1 {Philidor}) 6... Ke3 7. Rc8 $8 {Szen.} Rh2 8. Kc1 $1 {Kling & Kuiper.} 1/2-1/2
[Event "White to play and draw"] [Site "?"] [Date "1998.??.??"] [Round "?"] [White "Villeneuve, A."] [Black "0430.00"] [Result "1/2-1/2"] [SetUp "1"] [FEN "r7/8/8/8/3k4/3b4/1K1R4/8 w - - 0 1"] [PlyCount "13"] [EventDate "1998.??.??"] [SourceDate "2000.07.25"] {Twin (b).} 1. Kc1 $3 {"Good" becomes "bad" and vice versa.} (1. Rf2 $2 Rb8+ $8 2. Kc1 Ke3 $3 {(impossible if bK is on c4)} 3. Rb2 Rc8+ $8 4. Kd1 Rh8 $1 $19) 1... Ke3 (1... Rb8 2. Rb2 $8 Rc8+ 3. Kd2 $1) (1... Ra1+ 2. Kb2 Rh1 3. Kb3 $8 {(this did not exist with the bK in c4; the c3 square is always forbidden to the bK)} Rb1+ 4. Rb2 $11) 2. Rh2 $1 {Or on g2.} Rb8 3. Rh3+ $8 Kd4 4. Kd2 $1 Rb2+ 5. Kd1 $1 (5. Kc1 $1 Rg2 (5... Kc3 6. Rxd3+ $8) 6. Kd1 $8 ) (5. Ke1 $1 Re2+ 6. Kd1 $8) 5... Kc3 6. Ke1 $8 Re2+ 7. Kd1 $8 1/2-1/2

[Event "White to play and draw"] [Site "?"] [Date "2007.??.??"] [Round "?"] [White "Villeneuve, A."] [Black "0430.00"] [Result "1/2-1/2"] [SetUp "1"] [FEN "r7/8/8/8/4b3/4k3/3R3K/8 w - - 0 1"] [PlyCount "9"] [EventDate "2007.??.??"] [SourceDate "2000.07.25"] {With the bR on a7, the good move would be the same, but the refutation of Rd8? would be more difficult)} 1. Rd6 $3 {Not too far away, but for a reason that has nothing to do with remoteness !} (1. Rd7 $2 Rh8+ $1 (1... Kf2 $6 2. Rd2+ Kf3 3. Rb2 Bd5) 2. Kg3 Rg8+ $8 3. Kh4 (3. Kh2 Kf2 $1 4. Rd2+ {(as Kh3 runs up against ... Ff5+!)} Kf3 $8 5. Rb2 Kf4 $8 {below}) 3... Kf4 $8 4. Rf7+ Bf5 $8 $19) (1. Rb2 $2 Rh8+ $8 2. Kg3 Rg8+ $8 3. Kh2 Kf4 $8 4. Rb3 Rg7 $1 5. Ra3 Rg2+ $8 6. Kh3 Rg1 $8 7. Kh4 Rg6 $19 {Philidor}) 1... Rh8+ 2. Kg3 $8 Rg8+ 3. Kh4 (3. Kh2 Kf2 4. Kh3 $8 Bf5+ 5. Kh4 $8 {and no Rook drags on d7}) 3... Kf4 4. Rf6+ $1 ({or in the same way} 4. Kh5 $1 {Szen}) 4... Bf5 5. Kh5 $8 {Szen.} 1/2-1/2

Add a comment

Anti-spam