La Partida Del Día: Polivanov, Anatoliy (2452) - Buksa, Nataliya (2410) [B33] UKR-ch Open 2020 Kremenchuk (6.9), 23.11.2020 1-0

 

Las Negras tienen una sola posibilidad para salvarse de esta complicada posición... Pueden hallarla?

[Event "UKR-ch Open 2020"] [Site "Kremenchuk"] [Date "2020.11.23"] [Round "6.9"] [White "Polivanov, Anatoliy"] [Black "Buksa, Nataliya"] [Result "1-0"] [ECO "B33"] [WhiteElo "2452"] [BlackElo "2410"] [Annotator "Mosaico Ajedrecístico"] [PlyCount "77"] [EventDate "2020.??.??"] {[%evp 23,77,27,27,-2,-3,-22,-5,-5,-2,-1,-3,-9,-4,0,7,-51,-53,-75,-72,-72,-71, -75,-75,-68,-63,-78,-77,-111,-68,-77,-47,-133,-105,-151,-142,-150,-123,-167, -98,-90,0,-2,1,0,0,1,280,273,808,526,801,783,804,862,870,678]} {B33: Siciliana: Variante Pelikan & Sveshnikov} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. c3 Bg7 13. Nxb5 axb5 14. Bxb5 Rc8 15. Qa4 Bd7 16. exf5 O-O {[%cal Bh8f8,Bf8e8, Be8e5][%mdl 32]} 17. O-O $1 e4 18. Qxe4 (18. Rfe1 Ne5 19. Bxd7 Nxd7 20. Qxe4 Nf6 21. Nxf6+ Bxf6 22. Rad1 Qb6 23. Qg4+ Kh8 24. Re2 Rc5 25. g3 Rb5 26. Qf4 d5 27. a4 Rxb2 28. Rxb2 Qxb2 29. Qh6 Bg7 30. Qd6 Qxc3 31. Qxd5 Bf6 32. Qe4 Qc7 { Deac,B (2618)-Gelfand,B (2684) Bucharest 2019 1/2-1/2 (54)}) 18... Re8 $1 $36 { [%csl Ge8][%mdl 2048]} 19. Qf4 $146 ({Una alternativa para las Blancas:} 19. Qa4 $1 $11 {[%csl Ga4]} Re5 (19... Ne5 20. f6 Ra8 21. Qb4 Bxb5 22. Qxb5 Rb8 23. Ne7+ Kf8 24. fxg7+ Kxe7 25. Qd5 Qb6 26. Qe4 Kf6 27. Qxh7 Qxb2 28. Rab1 { 1-0 (28) Vokhidov,S (2518)-Ismagambetov,A (2554) Tashkent 2019}) 20. Rad1 Rxf5 21. Rfe1 Re5 22. Rxe5 Nxe5 23. Bxd7 Nxd7 24. Qc2 Rc5 25. Ne3 Qf6 26. Qd3 Ne5 27. Qxd6 Qxd6 28. Rxd6 Kf8 29. Kf1 Nc6 30. f4 Ke7 31. Rd3 Ra5 32. a3 Nd8 33. b4 Ra8 34. Nd5+ {Kantans,T (2510)-Sankalp,G (2374) Stockholm 2018 1-0 (40)}) (19. Qg4 Ne5 20. Qa4 Ra8 21. Qb3 Rb8 22. a4 Bxf5 23. Qd1 Bd7 24. Bxd7 Nxd7 25. b4 Nb6 26. Nxb6 Qxb6 27. Qd3 Qc6 28. Ra3 Rec8 29. h3 d5 30. Qg3 Qg6 31. Qxg6 hxg6 32. Rd1 Bxc3 33. Rxd5 Bxb4 {Suarez Uriel,A (2441)-Deac,B (2727) Chess.com INT 2020 0-1 (38)}) 19... Re5 $15 20. Rfd1 Bxf5 21. a4 Ne7 22. Ne3 Be6 23. Qh4 Rcc5 24. Bd3 Rh5 25. Qe4 (25. Qg3) 25... Ng6 (25... Nd5 $1 $17 26. Nxd5 Bxd5) 26. g3 Rce5 27. Qb4 (27. Qf3 $15) 27... Rxe3 $1 $17 {[%mdl 512]} 28. Bxg6 (28. fxe3 $142 Qg5 29. Qb8+ (29. Qxd6 $2 Qxe3+ 30. Kh1 Bd5+ 31. Qxd5 Rxd5 $19) 29... Nf8 30. Re1) 28... hxg6 $1 29. fxe3 Be5 30. Rd2 (30. Qe4 $17) 30... Qg5 (30... Qa8 $19 31. Rg2 Bh3) 31. Qe4 Bxg3 32. hxg3 $11 Qxg3+ 33. Rg2 $1 {[%csl Gg2][%cal Bd2g2,Bg2g6,Bg6g4,Bg4h4][%mdl 32]} (33. Qg2 Qxe3+ 34. Rf2 Bd5) 33... Qh3 34. Rf1 $1 {[%csl Gf1] [#]} ({No sirve:} 34. Kf2 $2 Rf5+ 35. Qxf5 (35. Ke2 $2 Bd5 $19) 35... Qxf5+ 36. Kg1 Bd5 $19) 34... Bd5 $2 {[%csl Rd5][%mdl 8192]} (34... Qh1+ $1 $11 {[%csl Gh1] Y Negras estan a salvo...} 35. Kf2 Rf5+ 36. Qxf5 Qh4+ 37. Kg1 Bxf5 38. Rxf5 Qe1+ 39. Rf1 Qxe3+ 40. Kh2 (40. Rff2 Qc1+ 41. Kh2 Qe1 $11 ) 40... Qh6+ 41. Kg1 Qe3+ 42. Kh2 Qh6+ 43. Kg1 Qe3+) 35. Rxg6+ $1 $18 {[%csl Gg6]} (35. Qe8+ $2 {[%csl Ge8] 35.Rxg6+ 2.80} Kg7 36. Rxg6+ $1 Kxg6 $4 { [%csl Rg6]} (36... fxg6 $11 37. Qf8+ Kh7 38. Qe7+ Kh8 39. Qf6+ Kh7 40. Qe7+ Kh8 41. Qf6+ Kh7 42. Qe7+ $11) 37. Qg8+ $18 Kh6 38. Rf6#) 35... Kh7 ({Alternativas: } 35... fxg6 $2 {35...Kf8 2.82} 36. Qxg6+ Kh8 37. Rf8+ Bg8 38. Rxg8#) (35... Kf8 36. Qf4 $1 $18 {[%csl Gf4]}) (35... Kh8 36. Qe8+ Kh7 37. Qg8#) (35... Kf8 36. Qf4 Ke8 37. Rg8+ Kd7 38. Rg5 Kc7 39. b4 Rxg5+ 40. Qxg5 Qh1+ 41. Kf2 Qe4 42. a5 Qc2+ 43. Kg1 Qe4 44. Qg3 Qh1+ 45. Kf2 Qe4 46. b5 $18) 36. Rxf7+ $3 {[%csl Gf7][%mdl 512]} Bxf7 37. Rg4+ Kh8 (37... Kh6 38. Qf4+ Kh7 39. Qxf7+ Kh8 40. Qg7#) 38. Qd4+ $1 {[%csl Gd4]} Re5 (38... Kh7 39. Qg7#) 39. Rh4+ 1-0