Juegan Negras Y Ganan...
La siguiente posición la encontré en el Libro "Dream Moves" en la sección de ejercicios # 166 donde plantea el autor ¿Como pueden las Negras ganar aquí?
Lo interesante de esta, es que hay dos partidas con la misma posición... En una las Negras encuentran la jugada ganadora... En la otra, las Negras apenas sacaron unas Tablas... Veamos:
[Event "Capablanca Memorial-04"]
[Site "Havana"]
[Date "1965.09.20"]
[Round "18"]
[White "Fischer, Robert James"]
[Black "Kholmov, Ratmir D"]
[Result "0-1"]
[ECO "C98"]
[Annotator "Mosaico Ajedrecístico"]
[PlyCount "92"]
[EventDate "1965.08.25"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "CUB"]
{[%evp 31,92,3,18,32,49,46,26,-103,-57,-110,-143,-142,-107,-161,-127,-133,-107,
-132,-83,-83,-86,-121,-107,-113,-103,-137,-112,-112,-140,-141,-124,-146,-140,
-155,-94,-86,-90,-116,-98,-46,-64,-76,-68,-94,-77,-421,-392,-481,-478,-435,
-458,-29985,-29981,-29986,-211,-2116,-1933,-1477,-1668,-29986,-29987,-29989,
-29992]} {C98: Apertura Cerrada Ruy Lopez: Defensa Chigorin} 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10.
Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 (12... cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4
16. Nbd2 Nb4 17. Bb1 a3 18. Qb3 axb2 19. Qxb2 Nc6 20. Bd3 Bd7 21. Nf1 exd4 22.
Bxd4 Nxd4 23. Nxd4 d5 24. e5 Ne4 25. Bxe4 dxe4 26. Rxe4 Ra4 27. Ng3 {Quesada
Perez,Y (2591)-Dubov,D (2708) chess.com INT 2024 1-0 (74)}) 13. dxc5 $146 (13.
d5 Nd8 14. a4 Rb8 15. b4 Ne8 16. Nf1 g6 17. axb5 axb5 18. Ng3 f6 19. Nh2 Ng7
20. f4 cxb4 21. cxb4 Qc3 22. Bd2 Qxg3 23. Ra7 Rf7 24. Rf1 Bxh3 25. Qe2 Bc8 26.
Bd1 Bf8 27. Be1 Qxe1 {Li,H (1988)-German,S (2300) chess.com INT 2024 0-1 (62)})
13... dxc5 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2 c4 {[%cal Oc6d4]} 17. Ng5 (17. Nf5
Bxf5 (17... Rfe8 18. Bg5 Nd7 19. Bxe7 Nxe7 20. Ng5 h6 21. Nxe6 fxe6 22. Ne3 Ng6
23. g3 Nf6 24. Red1 Rxd1+ 25. Rxd1 Rd8 26. Rxd8+ Qxd8 27. b3 cxb3 28. Bxb3 Nf8
29. c4 Qd7 30. Qc2 Qb7 31. cxb5 axb5 32. Ng4 {Fischer,R-O'Kelly de Galway,A
Buenos Aires 1970 1-0 (36)}) 18. exf5 Rfe8 19. Bg5 h6 20. Bxf6 Bxf6 21. Nd2 Ne7
22. Ne4 Nd5 23. Rad1 Be7 24. Ng3 Nf6 25. Rxd8 Rxd8 26. Ne4 Nxe4 27. Qxe4 Rd2
28. g3 Bc5 29. Re2 Rxe2 30. Qxe2 Bb6 31. Kf1 Kf8 {Planinec,A (2525)-Smejkal,J
(2595) Amsterdam 1973 ½-½ (37)}) 17... h6 18. Nxe6 fxe6 19. b4 $146 {[#]} (
19. b3 $11 Nd4) 19... Nd4 $1 $17 {[%csl Gd4][%mdl 512]} 20. cxd4 (20. Qd1 Nb3)
20... exd4 21. a3 {[%cal Oe1d1]} d3 ({Es inferior:} 21... dxe3 22. Bxe3 Bd6 23.
Rad1 $15) 22. Bxd3 Rxd3 (22... cxd3 $19 23. Qa2 Kh7) 23. Ng4 Kh7 24. e5 Nxg4 (
24... Nd5 $142 $1 25. Qe4+ g6 26. Nxh6 (26. Bxh6 Nc3 $19) 26... Qb6) 25. Qe4+
g6 26. Qxg4 ({Era mejor con:} 26. hxg4 Qd7 27. Be3) 26... Rf5 27. Qe4 Qd7 28.
Be3 ({Otra opción es:} 28. Ra2) 28... Qd5 29. Qxd5 Rxd5 30. f4 g5 31. g3 gxf4
32. gxf4 Rf8 (32... Rd3 $142 33. Kg2 Kg6) 33. Kg2 Kg6 34. Rg1 Rd3 35. Kf3+ Kf5
36. Rg7 Bd8 37. Rb7 Rg8 $1 {[%csl Gg8]} 38. Rb8 $2 {[%csl Rb8,Gf7][%cal Gb7f7]
[%mdl 8192]} (38. Rf7+ $17 {era crucial para las Blancas} Kg6 39. Rb7) 38...
Rg7 $19 39. a4 h5 40. axb5 axb5 41. Rxb5 (41. Raa8 $19 h4 42. Ke2) 41... Bh4
42. Ke2 Rg2+ $2 {[%csl Ge4,Rg2][%cal Gf5e4]} (42... Ke4 {conduce al mate...}
43. Rd1 Rxe3+ 44. Kd2 Rd3+ 45. Kc2 Rg2+ 46. Kc1 Rxd1+ 47. Kxd1 Kd3 48. Kc1 Rg1+
49. Kb2 Bf2 50. Rd5+ exd5 51. b5 Bd4+ 52. Ka3 Bc3 53. h4 Ra1#) 43. Kf1 Rh2 44.
Kg1 Re2 45. Bb6 c3 46. Kf1 (46. Rc5 c2 47. Rf1) 46... Rh2 (46... Rh2 47. Kg1
Rdxh3 48. Rba5 Ke4 49. Kf1 Rh1+ 50. Bg1 R3h2 {( -> ...Rf2+)} 51. R5a2 c2 52.
Re1+ Kxf4 {[%csl Gh4][%cal Rh2f2]} 53. Re4+ Kxe4 {[%cal Rc2c1]} 54. Rxc2 Rxc2
55. b5 Rf2+ 56. Ke1 Rxg1#) 0-1
[Event "Skopje Solidarnost-04"]
[Site "Skopje"]
[Date "1970.06.11"]
[Round "1"]
[White "Matulovic, Milan"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C98"]
[Annotator "Mosaico Ajedrecístico "]
[PlyCount "80"]
[EventDate "1970.06.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
{[%evp 0,27,18,29,14,14,22,22,24,5,11,10,9,18,16,18,17,-14,-12,-16,0,0,11,11,
28,-3,63,-20,-20,-20]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6.
Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 (12. d5 Nc4
13. a4 Nb6 14. a5 Nc4 15. b4 cxb4 16. cxb4 Bd7 17. Bd3 Rac8 18. Ra2 Qb7 19. Rc2
h6 20. Nc3 Nh7 21. Ne2 f5 22. exf5 Bxf5 23. Ng3 Bxd3 24. Qxd3 Rf7 25. Nd2 Nf6
26. Nxc4 bxc4 {Ponkratov,P (2608)-Caruana,F (2794) Samarkand UZB 2023 1-0 (66)}
) 12... Nc6 $146 (12... cxd4 13. cxd4 Nc6 14. d5 (14. a3 exd4 15. Nb3 Bb7 16.
Nbxd4 Nxd4 17. Nxd4 Rfe8 18. Bf4 Bf8 19. f3 Nh5 20. Bh2 Qb6 21. Qd2 d5 22. e5
Bc5 23. Red1 Rac8 24. Bb3 f6 25. f4 Nxf4 26. Bxf4 fxe5 27. Be3 Bxd4 28. Bxd4
Qxd4+ {Hu,Z (1581)-Xia,M (1074) Hohhot CHN 2023 1/2-1/2 (63)}) 14... Nb4 15.
Bb1 a5 16. Nf1 Bd7 17. Be3 Rfc8 18. Re2 a4 19. Qd2 Na6 20. Re1 Qb7 21. Ng3 Nc5
22. Rc1 Qb8 23. Bc2 b4 24. b3 Bd8 25. Rcb1 axb3 26. axb3 Qb5 27. Qd1 {Wagh,S
(2210)-Ziatdinov,R (2106) Chennai IND 2023 1/2-1/2 (47)}) (12... Re8 13. b4
cxb4 14. cxb4 Nc6 15. Bb3 exd4 16. Ng5 Ne5 17. Ndf3 {1/2-1/2 (17) Andyka,P
(2121)-Tobing,D (2148) Penang MAS 2023}) 13. dxe5 dxe5 14. Nf1 Be6 15. Ne3 Rad8
16. Qe2 c4 17. Ng5 h6 18. Nxe6 fxe6 19. b4 {[#]} Rd7 $2 {[%csl Gd4,Rd7][%cal
Gc6d4]} ({La ganadora!!} 19... Nd4 20. cxd4 exd4 21. a3 d3 22. Bxd3 Rxd3 23.
Ng4 Kh8 24. Be3 Kh7 25. g3 Nxg4 26. Qxg4 Qe5 27. Bf4 Qf6 28. Kg2 Rfd8 29. Ra2
Qg6 30. Be3 Qf7 31. e5 Qg6) 20. a4 Qb6 21. Rd1 Rxd1+ 22. Qxd1 Kh8 23. Bb1 Rd8
24. Qe2 a5 25. axb5 Qxb5 26. bxa5 Nxa5 27. Bc2 Nb3 28. Rb1 Nxc1 29. Rxc1 Rc8
30. Rb1 Qc6 31. Ra1 Bc5 32. Nxc4 Bxf2+ 33. Kxf2 Qxc4 34. Qxc4 Rxc4 35. Ra8+ Kh7
36. Ra3 Kg6 37. Ke3 Rc7 38. Kd2 Nd7 39. Ra6 Nc5 40. Rb6 Kf6 1/2-1/2
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