[Event "Magistral Osasco 2024"]
[Site "Sao Paulo"]
[Date "2024.03.23"]
[Round "6.1"]
[White "Cubas, Jose Fernando"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2417"]
[BlackElo "2561"]
[Annotator "Stoxkfish 16"]
[PlyCount "69"]
[EventDate "2024.03.18"]
[EventCountry "BRA"]
{[%evp 9,69,1,6,-7,0,-5,15,-2,-8,-23,-6,-7,14,-3,0,-4,-2,-36,-24,-42,-32,-32,
-48,-48,-1,-1,-10,-20,-17,-6,-10,-7,-11,-11,5,5,8,12,9,6,7,2,11,6,235,236,363,
76,463,469,461,469,463,460,459,463,461,453,528,523,530,503]} 1. e4 c5 2. Nc3
Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Rb1 $146 {B23: Closed Sicilian: Lines
without g3.} ({RR} 6. O-O Bg7 7. Nxd4 cxd4 8. Ne2 d6 9. c3 dxc3 10. dxc3 Nf6
11. h3 O-O 12. Be3 Bd7 13. f4 Bc6 14. Ng3 Qc7 15. Qd2 Rfd8 16. c4 ({White
should play} 16. Qf2 $11) 16... b5 17. cxb5 axb5 18. Rac1 Qb7 19. Bd4 Rxa2 20.
f5 Ra4 {Rogov,M (2152)-Wafa,H (2397) chess.com INT 2024 1-0 (36)}) ({RR} 6. O-O
Bg7 7. Rb1 Nc6 8. a3 d6 9. b4 cxb4 10. axb4 b5 11. Nd5 Nf6 (11... e6 $5 {
[%CAl Re6d5]} 12. Ne3 Nf6 $11) 12. Bb2 O-O 13. Bxf6 Bxf6 14. Nxf6+ exf6 15. c3
d5 16. exd5 Qxd5 17. Qc2 Qd6 18. Be4 Bb7 19. Rfe1 f5 20. Bxc6 Bxc6 {Cornette,M
(2579)-Sjugirov,S (2695) chess.com INT 2024 1/2-1/2 (45)}) ({RR} 6. O-O Bg7 7.
Nd5 (7. Re1 $11) 7... e6 8. Ne3 d5 9. exd5 exd5 10. Re1 Ne7 11. Nxd4 cxd4 12.
Nf1 O-O 13. Ng3 h5 14. Bf1 (14. h3 $15) 14... h4 15. Ne2 d3 16. cxd3 d4 17. b3
Re8 18. Nf4 Qa5 19. Bb2 Bd7 20. g3 Bh6 {Czebe,A (2336)-Yoo,E (2190) New York
USA 2024 1/2-1/2} (20... Nc6 $17)) ({RR} 6. O-O Bg7 7. Re1 e6 8. Rb1 Nc6 9. Bf1
Nge7 10. d3 O-O 11. Bg5 d6 12. Qd2 b5 13. a3 Bb7 14. Bh6 Qc7 15. Bxg7 Kxg7 16.
d4 cxd4 17. Nxd4 Rfd8 18. Re3 Nxd4 19. Qxd4+ e5 20. Qd2 Bc8 {Zhu,Y (1199)-Li,J
(1526) Shanghai CHN 2024 1/2-1/2} (20... d5 $11 21. Rh3 h5 22. exd5 Nxd5 23.
Nxd5 Rxd5)) (6. O-O {is interesting.} Bg7 7. a4 d6 8. Nxd4 cxd4 9. Ne2) 6...
Nc6 7. a3 d6 8. h3 {The position is equal.} Bg7 9. b4 b5 10. O-O e6 11. Re1
$146 ({Predecessor:} 11. Be2 Nge7 12. Bb2 O-O 13. Re1 e5 14. Ba1 h6 15. Nd5
Nxd5 16. exd5 Nd4 17. Nxd4 cxd4 {1-0 (50) Manukyan,A (2110)-Baskin,R (2451)
Chess.com INT 2023}) 11... Nge7 12. Bf1 O-O 13. Bb2 Nd4 14. Nxd4 cxd4 15. Ne2
e5 16. c3 {[%CAl Rc3d4]} Bb7 (16... d3 $5 {[%CAl Rd3e2]} 17. Ng3 f5 $14) 17.
cxd4 Bxe4 18. d3 Bb7 19. dxe5 dxe5 20. d4 e4 21. Nc3 {[%CAl Be2c3,Bc3e4,Be4c5]
[%mdl 32]} Nf5 22. Nxe4 Nxd4 23. Nc5 Bc6 24. Qg4 {Hoping for Red1.} h5 25. Qf4
$36 {[%mdl 2048] And now Red1 would win. White has the initiative.} Qd5 26.
Rbd1 {[%CAl Rb2d4]} Rfd8 $2 {[#] Mistake. Ne2+ was best.} (26... Ne2+ 27. Rxe2
Qxd1 28. Rd2 Qb1 $1 29. Bxg7 Kxg7 30. Rd6 Rae8 $1 31. Qd4+ Kg8 32. Rxc6 Re1 33.
Nd7) (26... Ne2+ $1 $11 27. Rxe2 Qxd1) 27. Rd3 $1 $18 Qd6 $4 {Blunder. Qc4 was
best.} (27... Qc4 {[#]} 28. Kh1 $1) (27... Qc4 {might work better.} 28. Kh1 Ne6
29. Rxd8+ Rxd8 30. Qxc4 bxc4) 28. Qd2 {aiming for Rd1.} Qf6 $2 {[%mdl 8192]} (
28... a5 $16 {is tougher.}) 29. Rd1 {White is clearly winning.} Nf3+ 30. gxf3
Rxd3 31. Bxf6 Rxd2 32. Rxd2 Bxf6 33. Rd6 $1 {[%csl LRc6,LRf6][%mdl 64] Double
Attack} Bb2 34. Rxc6 a5 35. Ra6 {Precisão Chessbase: Brancas 87% Pretas 60%
Precisão Chess.com: Brancas 97.8% Pretas 91.0% Precisão Lichess.org: Brancas
98% Pretas 88%} 1-0
[Event "Magistral Osasco 2024"]
[Site "Sao Paulo"]
[Date "2024.03.23"]
[Round "6.2"]
[White "Molina, Roberto Junio Brito"]
[Black "Bobadilla Viera, Jorge Samuel"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2376"]
[BlackElo "2397"]
[Annotator "Stoxkfish 16"]
[PlyCount "90"]
[EventDate "2024.03.18"]
[EventCountry "BRA"]
{[%evp 9,90,15,13,14,17,18,11,10,12,13,13,13,18,15,21,23,19,14,20,18,14,-25,-6,
-21,-22,-26,-22,-22,-27,-71,-7,-8,-17,-12,-22,-22,-17,-18,-2,-10,0,-6,0,0,0,0,
0,0,0,0,0,-7,-5,-6,-3,-6,-3,-6,-5,-2,-5,-13,0,-6,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0]} 1. d4 {https://lichess.org/@/Noobmasterplayer123} d5 2. c4 e6 3.
Nc3 h6 4. Nf3 Nf6 5. cxd5 exd5 6. Bf4 {D35: Queen's Gambit Declined: Exchange
Variation.} c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Bg7 11. O-O $146 ({RR}
11. h3 O-O 12. O-O Nbd7 13. Rfc1 Qe7 14. Nd2 Rfd8 15. b4 Nf8 16. Qb1 Ne6 17.
Bg3 Rac8 18. a4 (18. Qb3 $14) 18... b6 19. Ra2 c5 20. Rac2 c4 (20... Nh5 $11)
21. b5 Bf8 22. Ra2 Qb7 23. Qb2 Bd6 24. Bxd6 Rxd6 25. a5 Ng5 {Yilmaz,M (2629)
-Mons,L (2514) Reykjavik ISL 2023 1-0 (44)}) ({RR} 11. h3 O-O 12. O-O Nbd7 13.
Rfc1 Qe7 14. Nd2 Rfd8 15. b4 Nf8 16. Qb1 Ne6 17. Bg3 Rac8 18. a4 b6 19. Ra2 c5
20. Rac2 c4 21. b5 Bf8 22. Ra2 Qb7 23. Qb2 Bd6 24. Bxd6 Rxd6 25. a5 Ng5 {
Yilmaz,M (2629)-Mons,L (2514) Reykjavik, Iceland 2023 [https://lichess.org/@/
Noobmasterplayer123] 1-0 (44)}) ({Predecessor:} 11. h3 O-O 12. O-O Nbd7 13.
Rfc1 Qe7 14. Nd2 Rfd8 15. b4 Nf8 16. Qb1 Ne6 17. Bg3 {1-0 (44) Yilmaz,M (2629)
-Mons,L (2514) Reykjavik 2023}) 11... O-O 12. b4 Nbd7 13. Rac1 Re8 14. b5 c5
15. dxc5 Nxc5 16. Qb1 Nfe4 17. Nxe4 Nxe4 18. Qd3 Rc8 19. Nd2 g5 (19... Nc5 $17
20. Qb1 Qd7) 20. Nxe4 $1 $11 {The position is equal.} Rxc1 21. Rxc1 {[#]
Strongly threatening Bc7.} dxe4 22. Qxd8 Rxd8 {[%mdl 4096] Endgame KRB-KRB} 23.
Bg3 $1 Bb2 24. Rb1 Rd2 25. Bb8 a6 26. bxa6 bxa6 27. g4 Kh7 28. a4 Kg6 29. h3 h5
30. gxh5+ Kxh5 31. Kg2 Kg6 32. Bg3 Kf5 33. h4 gxh4 34. Bxh4 Ke6 35. Rh1 Be5 36.
Rb1 Rb2 37. Rc1 Kd5 38. Bg3 Bxg3 39. Kxg3 {KR-KR} a5 40. Rc7 Ra2 41. Rxf7 {
[#] aiming for Rf5+.} Rxa4 42. Kf4 Ra2 43. Rf5+ Ke6 44. Re5+ Kd6 45. Kxe4 Rxf2
{Precisão Chessbase: Brancas 92% Pretas 96% Precisão Chess.com: Brancas 98.
3% Pretas 98.7% Precisão Lichess.org: Brancas 99% Pretas 98%} 1/2-1/2
[Event "Magistral Osasco 2024"]
[Site "Sao Paulo"]
[Date "2024.03.23"]
[Round "6.3"]
[White "Valderrama Quiceno, Esteban Alb"]
[Black "Duarte Napoles, Fanny"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2428"]
[BlackElo "2203"]
[Annotator "Stoxkfish 16"]
[PlyCount "187"]
[EventDate "2024.03.18"]
[EventCountry "BRA"]
{[%evp 13,187,15,21,17,24,19,21,21,38,38,45,51,57,35,31,32,47,31,58,37,63,57,
81,77,76,77,76,76,81,70,111,101,110,90,95,85,72,68,71,62,76,45,49,54,69,70,137,
132,133,124,229,232,225,208,208,213,248,245,264,248,254,224,217,165,280,210,
200,201,240,185,347,339,335,335,341,332,329,318,318,331,340,320,357,343,382,
335,370,337,367,360,369,346,406,402,391,307,304,300,303,280,324,346,409,382,
385,328,332,330,313,343,385,382,387,386,439,437,518,493,507,368,365,344,343,
269,417,294,334,316,333,310,288,267,325,305,309,227,370,341,405,401,588,570,
574,546,745,710,693,692,692,673,29972,1751,29972,692,906,658,664,659,9605,
29976,4024,791,3263,3196,29982,29983,29983,29984,9605,29973,29986,29987,29985,
29986,29986,29987]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6
7. Ne5 Be6 8. cxd5 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Bxd5 9. Nf3 ({RR} 9.
Nc3 Bxg2 10. Kxg2 Nbd7 11. Qb3 Qb6 12. Rd1 Qxb3 13. axb3 Rfc8 14. f4 c5 15. Be3
cxd4 16. Rxd4 Nxe5 $1 17. fxe5 Ne8 $1 18. Rd7 Rc7 (18... Bxe5 $11 19. Rxb7 Nd6
20. Rbxa7 Rab8) 19. Rxa7 Rb8 20. Rd5 b6 (20... e6 $16 21. Rb5 Rc6) 21. Nb5 $1 {
[%CAl Rb5c7]} Rxa7 22. Nxa7 Kf8 23. Rd7 Ra8 {Kramnik,V (2787)-Svidler,P (2768)
Wijk aan Zee 2018 1-0}) ({RR} 9. Nc3 Bxg2 10. Kxg2 Nbd7 11. Nf3 Re8 12. Qb3 Qb6
13. e4 Qxb3 14. axb3 e6 15. h3 a6 16. Be3 Rad8 17. Rfe1 e5 18. dxe5 Nxe5 19.
Nxe5 Rxe5 20. f4 Ree8 21. Kf3 Rd3 22. Red1 Red8 23. Rxd3 Rxd3 {Esipenko,A
(2683)-Sarana,A (2693) chess.com INT 2023 1/2-1/2 (75)}) 9... Nbd7 $146 ({RR}
9... Ne4 10. Qc2 Nd7 11. Re1 Rc8 12. Nc3 Nxc3 13. bxc3 c5 14. e4 Bc4 15. d5 e6
16. Bg5 Qa5 17. Nd2 Ba6 18. c4 Bxa1 19. Rxa1 exd5 (19... b5 $11 {keeps the
balance.}) 20. exd5 f5 $2 {[%mdl 8192]} (20... b5 $16) 21. d6 $1 Nf6 22. Qb2
Qd8 {[#]} 23. Bd5+ $1 Kg7 24. Re1 {Firouzja,A (2749)-Fedoseev,V (2676) chess.
com INT 2020 1-0 (35)}) ({RR} 9... Qb6 10. Nc3 Bxf3 11. Bxf3 Rd8 12. e3 e5 13.
d5 (13. Na4 $11 Qc7 14. Qb3) 13... e4 (13... cxd5 $1 $15 14. Nxd5 Nxd5 15. Bxd5
e4) 14. Nxe4 Nxd5 15. Qe2 Nd7 16. Rb1 Ne5 17. Ra1 (17. Bg2 $11 {remains equal.}
) 17... h6 (17... Nxf3+ $17 18. Qxf3 f5) 18. Bg2 Nd7 19. Qc2 a5 20. a3 (20. Bd2
$11) 20... f5 (20... a4 $15) 21. Nd2 Nc5 22. e4 fxe4 23. Nxe4 Nb3 24. Rb1 {
Kues,H (2244)-Bendfeld,T (2031) Germany 2007 1-0 (43)}) ({RR} 9... Ne4 10. Nc3
Nxc3 11. bxc3 c5 12. Qd3 cxd4 13. cxd4 Nc6 14. e4 Be6 15. Be3 Bg4 16. Rad1 Qa5
17. Qb1 Qh5 18. Qxb7 Na5 19. Qxe7 Nc4 (19... Bxf3 $11 20. Bxf3 Qxf3) 20. Rc1
Rae8 21. Qxa7 Nxe3 22. fxe3 Bh6 23. Rce1 Rxe4 (23... Ra8 $142 24. Qb6 Rxa2) 24.
Ng5 {Grigoryan,K (2571)-Swiercz,D (2654) chess.com INT 2018 1-0} ({Better is}
24. Qa3 $1 $16)) 10. Nc3 {The position is equal.} Bxf3 $146 ({Predecessor:}
10... Qb6 11. Qd3 Bxf3 12. Bxf3 Rfd8 13. Be3 Qxb2 14. Rab1 Qa3 15. Qc4 Nb6 {
1/2-1/2 (31) Markoja,B (2466)-Kozul,Z (2531) Austria 2023}) 11. Bxf3 e5 12. d5
cxd5 13. Nxd5 e4 14. Bg2 Re8 15. Nc3 Qe7 16. h3 Nc5 17. Be3 Red8 18. Qc2 Rac8
19. Rad1 b6 20. Rxd8+ Rxd8 21. Rc1 Re8 22. Rd1 h6 23. Nb5 {[%CAl Bc3b5,Bb5a3,
Ba3c4,Bc4a5][%mdl 32]} a6 24. Na3 Bf8 25. Nc4 Qe6 26. Bd4 Ncd7 {And now ...Rc8
would win.} 27. Qb3 {[%CAl Rc4b6]} (27. b3 {seems wilder.} h5 28. e3 Rc8 29.
Qb1 Bb4 30. a3) 27... b5 28. Na5 Qxb3 29. Nxb3 Rc8 $6 {Inaccuracy. Nd5 was
best.} (29... Nd5 30. Rc1) (29... Nd5 $14) 30. e3 $16 Be7 31. Nd2 Nf8 $6 {
Inaccuracy. Bc5 was best.} (31... Bc5 32. Rc1) (31... Bc5 $16 {was necessary.})
32. Nxe4 $18 Nxe4 33. Bxe4 Ne6 34. Be5 Nc5 35. Bf3 b4 36. Kf1 a5 37. Bd5 Kf8
38. Bd4 $6 {Inaccuracy. Rc1 was best.} (38. Rc1 Rd8 39. Bc4 Ne4 40. Rc2 Nd2+
41. Ke2 Nxc4 42. Rxc4 Ke8 43. g4 h5 44. f4 f6) 38... Rd8 $6 {Inaccuracy. Ne6
was best.} (38... Ne6 39. Bxe6 fxe6 40. Ke2 a4 41. Kd3 Kf7 42. Rd2 Bd6 43. e4
Rc1 44. Be3 Be7 45. Bxh6) (38... Ne6 {is a better defense.} 39. Bb6 a4) 39. Bc4
$6 {Inaccuracy. e4 was best.} (39. e4 a4 40. Ke2 a3 41. bxa3 bxa3 42. Be3 h5
43. Rb1 g5 44. Rc1 Ne6 45. f4 gxf4) 39... Rc8 40. Ke2 a4 41. Bd5 $6 {
Inaccuracy. Bb5 was best.} (41. Bb5 Ra8 42. Bc6 Ra5 43. e4 h5 44. f4 Ne6 45.
Be3 h4 46. g4 a3 47. b3 Bc5) 41... a3 $2 {Mistake. Ne6 was best.} (41... Ne6
42. Be5 Rc2+ {[#]} 43. Rd2 $1 {[%CAl Rd2c2]} Rc1 44. h4 h5 45. Be4 f6 46. Bb8
Nc5 47. Rc2 (47. Bxg6 $16 Ra1 48. a3 bxa3 49. bxa3) 47... Ra1 $1 48. Bd5) (
41... Ne6 $142 42. Be5 Rc5) 42. bxa3 bxa3 43. Rc1 Rc7 44. Rc3 Na6 45. Rxc7 Nxc7
{[%mdl 4096] Endgame KBB-KBN} 46. Bc4 Ne8 47. Kd3 Bb4 48. Bc3 Bc5 49. Ke4 Ng7
50. g4 Be7 51. Kd5 Ne6 52. f4 Ke8 53. Kc6 Nc5 54. Bd5 Nd3 55. Kb5 Nf2 56. Bg2
Nd1 57. Bd4 f5 58. gxf5 gxf5 59. Kc4 Kd7 60. Kd3 Nb2+ 61. Kc2 Ke6 62. Bb7 Kd7
63. Ba6 Bd6 64. Be2 Bf8 $6 {Inaccuracy. Kc6 was best.} (64... Kc6 65. h4 Be7
66. h5 Bf8 67. Bf1 Bc5 68. Bg7 Bxe3 69. Bxh6 Kd5 70. Bg5 Na4 71. Bd3) 65. Kb3
Kc6 66. h4 $6 {Inaccuracy. Bc3 was best.} (66. Bc3 Bc5 67. Bb4 Bxe3 68. Bxa3
Bxf4 69. Bxb2 Kc5 70. Bf3 Bc7 71. h4 f4 72. h5 Bd8) 66... Kd5 67. Bf3+ Ke6 68.
Bb7 $6 {Inaccuracy. Be2 was best.} (68. Be2) 68... Kd7 $6 {Inaccuracy. Nd3 was
best.} (68... Nd3 69. Kc2 Nb4+ 70. Kb1 h5 71. Bc8+ Kd5 72. Bxf5 Be7 73. Bg6
Bxh4 74. Bxh5 Be7 75. Bg6) (68... Nd3 {keeps fighting.} 69. Kc4 Nc1 70. Bc8+
Kf7 71. Bxf5 Nxa2) 69. Bg2 $6 {Inaccuracy. Ba6 was best.} (69. Ba6 Be7 70. Be2
Ke6 71. h5 Bd6 72. Kc2 Bf8 73. Bf1 Na4 74. Bc4+ Kd6 75. Kb3 Nb2) 69... Nd3 70.
Kc4 Nc1 71. Bh3 Nxa2 72. Bxf5+ Ke8 73. Bg6+ Kd7 74. e4 Nc1 $6 {Inaccuracy. Nb4
was best.} (74... Nb4 75. e5) (74... Nb4 $142 75. Bc3 a2) 75. Bf5+ Ke8 {
Black hopes to continue with ...Ne2.} 76. Bg4 a2 (76... Na2 $142 77. f5 Nb4)
77. e5 Be7 78. h5 Bh4 79. f5 Be7 80. f6 Ba3 81. e6 Kd8 82. Bf3 (82. Bd1 $142
Kc7 83. e7 Bxe7 84. fxe7 Kd7 85. Bf6 a1=Q 86. Bxa1 Kxe7 87. Bg7) 82... Bd6 83.
Bb2 (83. Bd1 $142 Ke8 84. Ba4+ Kf8 85. Bc5 Bxc5 86. Kxc5 a1=Q 87. e7+ Kf7 88.
e8=Q+ Kxf6 89. Qh8+ {[%mdl 64] Double Attack} Kg5 90. Qxa1) 83... Ba3 84. Bc3 {
Black must now prevent Bc6.} Bd6 85. Bd1 {Hoping for Ba4.} Ba3 86. Bd4 Bd6 87.
Kd5 (87. Ba4 $142 a1=Q 88. Bxa1) 87... Ba3 88. Kc4 Ke8 $4 {Checkmate is now
unavoidable. Be7 was best.} (88... Be7 89. Ba4 a1=Q 90. Bxa1 Ne2 91. Be5 Ba3
92. Kd3 Nc1+ 93. Ke4 Ne2 94. Kf5 Bd6 95. Kg6) 89. Ba4+ Kf8 90. Bc5+ Bxc5 91.
Kxc5 a1=Q {White mates.} 92. e7+ Kf7 93. e8=Q+ Kxf6 94. Qh8+ {[%mdl 64] Ataque
duplo. Precisão Chessbase: Brancas 72% Pretas 44% Precisão Chess.com:
Brancas 87.4% Pretas 82.7% Precisão Lichess.org: Brancas 96% Pretas 94%} 1-0
[Event "Magistral Osasco 2024"]
[Site "Sao Paulo"]
[Date "2024.03.23"]
[Round "6.4"]
[White "Do Valle Cardoso, Lucas"]
[Black "Quintiliano, Renato R."]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2406"]
[BlackElo "2483"]
[Annotator "Stoxkfish 16"]
[PlyCount "196"]
[EventDate "2024.03.18"]
[EventCountry "BRA"]
{[%evp 10,196,26,14,33,21,46,29,32,12,20,13,25,20,15,-6,3,-22,-15,-10,-10,-11,
-9,-32,-25,-35,-36,-69,-21,-30,-25,-26,-25,-66,10,13,16,-51,-59,-142,-139,-126,
-120,-209,-82,-78,-30,-16,-8,-74,-74,-72,0,0,8,3,8,4,7,29,7,-8,1,-128,-121,
-139,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,0,0,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,
0,0,0,0,-2,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,0,0,0,-2,0,0,0,0,0,-1,-1,-1,-3,-3,
-2,-4,-2,-2,0,-2,-2,-2,-2,-2,-2,-3,-1,-3,-3,-3,-3,-3,-1,-4,0,-3,0,0,0,0,0,-1,
-1,0,0,0,-1,-4,0,-6,-2,-2,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0]} 1. e4 c5 2. Nf3
d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 Nc6 {B90: Sicilian Najdorf: Unusual
White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. Bg5 Bd7 8. Qd2 e6 {White has an
edge.} 9. f3 $146 (9. O-O-O {keeps more tension.} h6 10. Be3 b5 11. f3 Be7 12.
g4) ({Predecessor:} 9. Be2 Be7 10. O-O-O Qa5 11. h4 b5 12. f3 b4 13. Nb1 Rb8
14. Nb3 Qc7 15. Bxa6 bxa3 16. Nxa3 {0-1 (59) Goltsev,D (2199)-Bacrot,E (2642)
Chess.com INT 2022}) 9... Nxd4 (9... Be7 {seems wilder.} 10. Be3 h5 11. O-O-O
Qc7 12. Be2 b5) 10. Qxd4 Be7 11. Be3 h5 12. Bc4 b5 13. Bb3 Qc7 14. O-O O-O 15.
h3 Bc6 16. a4 Nd7 17. Qd2 Nc5 18. a5 Bf6 19. Bd4 Bxd4+ 20. Qxd4 Rfd8 21. Ba2
Rab8 $6 {Inaccuracy. Na4 was best.} (21... Na4) (21... Na4 $15) 22. b4 $11 Nd7
23. Nd1 $6 {Inaccuracy. Rad1 was best.} (23. Rad1 Rbc8 24. f4 Nf6 25. f5 Bb7
26. Rd3 d5 $1 27. e5 Ne4 28. Rff3 exf5 29. Nxd5 Qxc2) (23. f4 $11) 23... d5 $15
24. Nf2 $2 {Mistake. exd5 was best.} (24. exd5) (24. exd5 $15 Bxd5 25. Bxd5)
24... dxe4 $17 25. fxe4 Qg3 {Hoping for ...Ne5.} 26. Qd3 (26. Rfe1 $17) 26...
h4 $6 {Inaccuracy. Qxd3 was best.} (26... Qxd3 $1 27. Nxd3 Bxe4 28. Rad1 Bxd3
$1 29. Rxd3 Ne5 $1 30. Re3 Nc6 31. c3 Rbc8 32. Bb3 g6 33. Rd1) (26... Qxd3 $1
$19 {is more deadly.} 27. cxd3 Ne5) 27. Ng4 Qxd3 $6 {Inaccuracy. Nf6 was best.}
(27... Nf6 $1) (27... Nf6 $5 28. Qxg3 hxg3 29. Nxf6+ gxf6 $15) 28. cxd3 Nf8 29.
Rxf7 (29. Rf4 $2 {29.Ne5 -0.08}) (29. Rfc1 $11 Bb7 30. Ne5) 29... Kxf7 30. Ne5+
{[%mdl 64] Double Attack} Kg8 $6 {Inaccuracy. Ke8 was best.} (30... Ke8 $1 31.
Nxc6 Ra8 32. Nxd8 Rxd8 33. Rc1 Rxd3 34. Rc6 Ke7 35. Kh2 Rd2 36. Bb3 Rd6 37.
Rc7+) (30... Ke8 $1 $17 31. Nxc6 Rbc8 32. Nxd8 Rxd8) 31. Nxc6 $11 Ra8 32. d4
Rd6 33. d5 exd5 34. Bxd5+ Kh7 35. Ne7 Rad8 36. Rc1 $2 {Mistake. Nf5 was best.}
(36. Nf5 Rxd5 37. exd5 Rxd5 38. Nxh4 Rd4 39. Rf1 Rxb4 40. Rxf8 Rxh4 41. Ra8 Rh6
42. Rb8 Rh5) (36. Nf5 $11 {keeps the balance.}) 36... Ng6 $17 37. Nf5 {[#]}
Rxd5 $2 {Mistake. R6d7 was best.} (37... R6d7 $1) ({Better is} 37... R6d7 $1
$17 38. Rc6 Nf4 39. Rxa6 Nxd5 40. exd5 Rxd5 41. Nxh4 Rd4) 38. exd5 $11 {
The position is equal.} Rxd5 $17 {[%mdl 4096] Endgame KRN-KRN} 39. Ne3 Re5 40.
Kf2 {Black should prevent Rc6.} Nf4 41. Rd1 Re4 42. Rd6 Rxb4 43. Rxa6 Ra4 44.
Ra7 Kg6 45. a6 Nd3+ 46. Ke2 Nc5 47. Rb7 b4 48. Rb6+ Kh7 49. a7 b3 50. Rb5 Ne6 {
aiming for ...Nd4+.} 51. Kd2 (51. Rb6 {is more complex.} Nc5 52. Rb5 Ne6 53.
Rb7 Nc5) 51... Rxa7 52. Rxb3 Ra2+ 53. Ke1 Nf4 54. Kf1 Nh5 55. Nf5 g5 56. Rf3
Ra1+ 57. Kf2 Nf6 58. g4 Nd5 59. Kg2 Ra2+ 60. Kh1 Kg6 61. Kg1 Ra1+ 62. Kh2 Ra4
63. Kg1 Nf4 64. Re3 Rc4 65. Kh2 Kf6 66. Kh1 Nd5 67. Re8 (67. Re7 $2 {[%mdl
8192] 67.Re8 0.00}) 67... Rc3 68. Kh2 Nf4 {And now ...Rc2+ would win.} 69. Re3
Rc2+ 70. Kh1 Rd2 71. Kg1 Nd5 72. Re8 Rd1+ 73. Kh2 Rd3 74. Re1 Nf4 {Threatens
to win with ...Rd2+.} 75. Re3 Rd2+ 76. Kg1 Ng6 77. Nh6 Rd1+ 78. Kh2 Rd8 79.
Rf3+ Nf4 80. Re3 Rd2+ 81. Kh1 Nd5 82. Rf3+ Kg6 83. Nf5 Rc2 84. Rd3 Nf4 85. Rf3
Rc4 86. Re3 Kf6 87. Kh2 Nd5 88. Re8 Rc3 89. Re4 Rb3 90. Re8 Nf4 91. Re3 Rb2+
92. Kh1 Ng6 93. Nh6 Rb8 94. Rf3+ Nf4 95. Re3 Rd8 96. Kh2 Ne6 97. Nf5 Rd2+ 98.
Kh1 Nf4 {Precisão Chessbase: Brancas 82% Pretas 91% Precisão Chess.com:
Brancas 95.6% Pretas 95.9% Precisão Lichess.org: Brancas 96% Pretas 95%}
1/2-1/2
[Event "Magistral Osasco 2024"]
[Site "Sao Paulo"]
[Date "2024.03.23"]
[Round "6.5"]
[White "Di Berardino, Diego Rafael"]
[Black "De Carvalho, Vitor Augusto Ponci"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2497"]
[BlackElo "2134"]
[Annotator "Stoxkfish 16"]
[PlyCount "47"]
[EventDate "2024.03.18"]
[EventCountry "BRA"]
{[%evp 16,47,64,66,67,61,64,42,80,78,121,134,121,113,250,251,342,342,345,339,
535,537,531,531,522,534,528,521,518,510,580,522,961,1149]} 1. e4 c5 2. Nf3 e6
3. d4 cxd4 4. Nxd4 Nc6 $146 ({RR} 4... a6 5. Bd3 Nf6 6. O-O Qc7 7. Nc3 Nc6 8.
Be3 Ne5 9. Be2 d6 10. f4 Ng6 11. f5 Ne5 12. fxe6 fxe6 13. Kh1 Be7 14. Bg1 O-O
15. Nf3 Ng6 16. Qd4 b5 17. Rae1 Rb8 18. Bd1 b4 19. Ne2 {Lyubokhiner,L (1714)
-Kasantsev,A (2071) Voronezh 2014 0-1 (32)}) ({RR} 4... a6 5. Bd3 Bc5 6. Nb3
Ba7 7. O-O Ne7 8. Nc3 Nbc6 9. Qh5 Ng6 10. Bg5 Qc7 11. Rae1 O-O 12. Kh1 Nf4 13.
Qg4 Bb8 14. e5 Ng6 15. f4 d6 16. Qh5 dxe5 17. Re3 f5 18. Rh3 Kf7 19. fxe5 {
Teschner,R-Portisch,L Stockholm 1962 0-1 (48)}) 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6
dxc6 8. Qxd8+ Kxd8 9. e5 $1 {[%CAl Re5f6]} Nd7 {B44: Sicilian: Taimanov: 5 Nb5.
} 10. Bf4 b6 11. h4 Bb7 $146 {White is slightly better.} ({Predecessor:} 11...
f6 12. O-O-O Bxc3 13. bxc3 Ke7 14. exf6+ gxf6 15. g4 e5 16. Bg3 Nc5 17. g5 Bg4
18. gxf6+ {1/2-1/2 (46) Yandemirov,V (2388)-Zhitnikov,K (2274) Kazan 2016}) 12.
Rh3 f5 13. exf6 gxf6 14. O-O-O Ke8 $2 {Mistake. e5 was best.} (14... e5 15.
Rhd3) (14... e5 $16) 15. Ne4 $18 e5 16. Bh6 Be7 17. Be2 c5 $6 {Inaccuracy. Rg8
was best.} (17... Rg8 18. Bh5+ Kd8 19. Bf7 Kc7 20. Bxg8 Rxg8 21. Rg3 Rxg3 22.
Nxg3 Ba6 23. b3 Bc8 24. Nf5) (17... Rg8 $142 18. Rhd3 Bc8) 18. Bh5+ {White is
clearly winning.} Kd8 19. Rhd3 Bc6 20. Bg4 Bxe4 21. Rxd7+ Ke8 22. Be6 Bxg2 23.
Bg7 Rf8 $2 {Mistake. Bf3 was best.} (23... Bf3 24. Bxh8 Bxd1 25. Rxd1 a5 26. h5
a4 27. Rg1 Rd8 28. Rg8+ Bf8 29. Bxf6 Rd6 30. Bg7) 24. Bxf8 {Precisão
Chessbase: Brancas 100% Pretas 35% Precisão Chess.com: Brancas 97.6% Pretas
80.5% Precisão Lichess.org: Brancas 98% Pretas 87%} 1-0
