[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.10"]
[Round "1.1"]
[White "Short, Nigel D"]
[Black "Nguyen, Thai Dai Van"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2626"]
[BlackElo "2571"]
[Annotator "RC"]
[PlyCount "109"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "1200+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:11]} 3. Bb5 {[%emt 0:00:05]} Nf6 {[%emt 0:00:16]} 4. O-O {[%emt 0:00:09]} Nxe4 {[%emt 0:00:04]} 5. d4 {[%emt 0:00:06]} Nd6 {[%emt 0:00:07]} 6. Bxc6 {[%emt 0:00:04]} dxc6 {[%emt 0:00:08]} 7. dxe5 {[%emt 0:00:04]} Nf5 {[%emt 0:00:12]} 8. Qxd8+ {[%emt 0:00:07]} Kxd8 {[%emt 0:00:04]} 9. Rd1+ {[%emt 0:00:06]} Ke8 {[%emt 0:00:08]} 10. Nc3 {[%emt 0:00:06]} Ne7 {[%emt 0:01:33]} 11. Bg5 {[%emt 0:01:26]} h6 {[%emt 0:02:33]} 12. Bxe7 {[%emt 0:00:12]} Bxe7 {[%emt 0:00:07]} 13. Nd4 {[%emt 0:00:26]} Bd7 {[%emt 0:03:13]} 14. Rd3 {[%emt 0:00:52]} Rd8 {[%emt 0:02:24]} 15. Rad1 {[%emt 0:00:28]} Bg4 {[%emt 0:01:18]} 16. f3 {[%emt 0:00:42]} Bc8 {[%emt 0:00:02]} 17. Kf2 {[%emt 0:04:19]} a6 {[%emt 0:02:43]} 18. Ne4 {[%emt 0:02:06]} f5 {[%emt 0:03:15]} 19. exf6 {[%emt 0:02:19]} gxf6 {[%emt 0:00:02]} 20. c4 {[%emt 0:01:23]} Kf7 {[%emt 0:00:25]} 21. b3 {[%emt 0:00:37]} a5 {[%emt 0:00:35]} 22. a4 {[%emt 0:01:40]} h5 {[%emt 0:00:44]} 23. h4 {[%emt 0:01:56]} Rhg8 {[%emt 0:01:35]} 24. Ne2 {[%emt 0:00:35]} Rxd3 {[%emt 0:01:00]} 25. Rxd3 {[%emt 0:00:02]} Bf5 {[%emt 0:01:17]} 26. Nf4 {[%emt 0:00:39]} Bxe4 {[%emt 0:00:02]} 27. fxe4 {[%emt 0:00:02]} Rg4 {[%emt 0:00:17]} 28. Nxh5 {[%emt 0:02:04]} Rxh4 {[%emt 0:00:03]} 29. Ng3 {[%emt 0:00:05]} Bd6 {[%emt 0:00:16]} 30. Nf5 {[%emt 0:00:05]} Rxe4 {[%emt 0:00:07]} 31. Rxd6 {[%emt 0:00:18]} Rf4+ {[%emt 0:00:03]} 32. Kg3 {[%emt 0:00:39]} Rxf5 {[%emt 0:00:02]} 33. Rd7+ {[%emt 0:00:01]} Ke6 {[%emt 0:00:29]} 34. Rxc7 {[%emt 0:00:02]} Kd6 {[%emt 0:00:02]} 35. Rxb7 {[%emt 0:00:03]} Kc5 {[%emt 0:00:15]} 36. Kh4 {[%emt 0:00:48]} Rf2 {[%emt 0:00:04]} 37. g4 {[%emt 0:00:02]} Rf1 {[%emt 0:00:22]} 38. Kh5 {[%emt 0:00:17]} Rf4 {[%emt 0:00:08]} 39. Rb8 {[%emt 0:00:29]} Rf3 {[%emt 0:00:03]} 40. Rb7 {[%emt 0:00:21]} Rf4 {[%emt 0:00:01]} 41. Rb8 {[%emt 0:00:35]} Rf3 {[%emt 0:00:01]} 42. Rf8 {[%emt 0:00:08]} Rxb3 {[%emt 0:00:11]} 43. Rxf6 {[%emt 0:00:02]} Rh3+ {[%emt 0:00:04]} 44. Kg6 {[%emt 0:00:02]} Kxc4 {[%emt 0:00:02]} 45. Rxc6+ {[%emt 0:00:05]} Kb4 {[%emt 0:00:01]} 46. Rb6+ {[%emt 0:00:06]} Kxa4 {[%emt 0:00:03]} 47. g5 {[%emt 0:00:01]} Rg3 {[%emt 0:00:05]} 48. Kf6 {[%emt 0:00:05]} Ka3 {[%emt 0:00:02]} 49. g6 {[%emt 0:00:02]} a4 {[%emt 0:00:03]} 50. g7 {[%emt 0:00:01]} Ka2 {[%emt 0:00:03]} 51. Kf7 {[%emt 0:00:02]} Rxg7+ {[%emt 0:00:04]} 52. Kxg7 {[%emt 0:00:02]} a3 {[%emt 0:00:02]} 53. Kf6 {[%emt 0:00:04]} Ka1 {[%emt 0:00:02]} 54. Ke5 {[%emt 0:00:01]} a2 {[%emt 0:00:02]} 55. Ke4 {[%emt 0:00:03]} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.10"]
[Round "2.1"]
[White "Nguyen, Thai Dai Van"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2571"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,42,50,54,58,56,56,66,55,59,91,70,59,29,34,7,35,-34,0,-33,-33,-35,0,-43,-47,-37,0,-64,-75,-54,-64,-58,-33,-33,-12,-49,-54,-89,-82,-89,-89,-113,-92,-114,-63,-63,-70,-70,-55,-134,-55,-63,-55,-63,-55,-62,-55,-62,-48,-63,0,0,0,0,0,-48,-48,-55,-48,-55,-48,-55,-55,-55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-42,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,-8,0]} 1. Nf3 d5 2. d4 Bg4 3. c4 Bxf3 4. gxf3 c6 5. Qb3 Qd7 6. Nc3 {[#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} dxc4 $146 ({Predecessor:} 6... e6 7. e4 Nf6 8. cxd5 cxd5 9. e5 Nh5 10. f4 g6 11. Be3 Ng7 12. Bd3 Nc6 {½-½ (28) Friedman,A (2295)-Rubenchik,V Somerset 1992}) 7. Qxc4 e6 8. e4 {White is slightly better.} Nf6 9. Rg1 a5 10. Be3 a4 11. Qd3 a3 12. b3 Na6 13. Bh3 (13. O-O-O $14) 13... Qc7 14. Rg2 g6 15. Kf1 Be7 16. Rd1 Nb4 17. Qc4 Ra5 18. f4 (18. Bh6 $11) 18... Rh5 $15 19. Rg3 O-O $36 {[%mdl 2048] Black is pushing.} 20. Kg1 Rd8 21. Bg2 Kf8 22. Qe2 Rh4 23. h3 {[#]} Nh5 $1 24. Rg4 Rxg4 25. Qxg4 f5 26. Qf3 Qa5 (26... fxe4 $17 27. Qxe4 Kf7) 27. Qe2 Nf6 28. e5 Nfd5 29. Nxd5 (29. Bxd5 $15 cxd5 30. Na4) 29... Nxd5 ({Black should try} 29... cxd5 $17 30. Rc1 Ra8) 30. Rc1 Rd7 31. Bf3 Kf7 32. Kg2 Qd8 33. Kh2 Bf8 34. Rc4 Qh4 (34... Nb4 $15) 35. Bxd5 $1 $11 Rxd5 36. Ra4 Qd8 37. Rc4 Be7 38. Kg2 Qd7 39. Qc2 Rb5 40. Qe2 Qd5+ 41. Qf3 Qxf3+ (41... Qd8 $15) 42. Kxf3 $15 {[%mdl 4096] Endgame KRB-KRB} Ra5 43. Bd2 Ra8 44. Ra4 Rxa4 45. bxa4 $11 {KB-KB} h6 46. Ke2 g5 47. fxg5 hxg5 48. f3 Kg6 49. Be1 Kh5 50. Kd3 g4 51. hxg4+ fxg4 52. fxg4+ Kxg4 53. Ke4 Bf8 54. a5 Be7 55. Ke3 Kf5 56. Kd3 Kf4 57. Bd2+ Kf3 58. Bc1 Bb4 59. Kc4 Bxa5 60. Bxa3 Ke4 61. Bd6 Bb6 62. Bc5 Bd8 63. a4 Ba5 64. Bd6 {The position is equal.} Bb6 65. Bc5 Bd8 66. Bd6 b6 67. Bb8 Ke3 68. Bd6 Ke4 69. Bb8 Ke3 70. Bd6 Kf4 {Accuracy: White = 78%, Black = 82%.} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.10"]
[Round "3.1"]
[White "Short, Nigel D"]
[Black "Nguyen, Thai Dai Van"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2626"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,93,35,37,0,0,0,21,22,18,23,39,25,27,22,51,56,60,34,52,32,51,49,39,43,39,47,34,40,47,37,59,33,85,60,75,43,50,25,40,24,47,47,50,61,60,57,67,81,93,25,48,33,33,32,43,43,43,43,45,50,58,95,233,227,244,25,518,456,642,611,1389,1352,1824,1714,2305,2060,2579,2310,12837,12839,12841,12838]} 1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c5 6. c4 Nc6 7. O-O d5 8. Ne5 {A05: Réti Opening: 1 Nf3 Nf6.} Nxe5 9. Bxe5 Be6 10. Nc3 {The position is equal.} d4 11. Na4 Qc8 12. e3 {[#]} dxe3 $146 ({Predecessor:} 12... Rd8 13. exd4 cxd4 14. Qf3 Bh3 15. Qxb7 Bxg2 16. Qxc8 Raxc8 17. Kxg2 Nd7 18. Bxg7 Kxg7 {1-0 (33) Vachier Lagrave,M (2796)-Bacrot,E (2708) Paris 2017}) 13. dxe3 Bg4 14. Qc2 Rd8 15. f3 Bf5 16. Qb2 b6 17. Rad1 Rxd1 18. Rxd1 Bh3 19. Nc3 Bxg2 20. Qxg2 Qe6 21. f4 Rf8 22. Qf3 Ne8 (22... Qh3 $14) 23. Bxg7 Nxg7 24. g4 Ne8 25. Kf2 Nd6 26. h3 Kg7 27. Qd5 Qxd5 28. Rxd5 $14 {[%mdl 4096] Endgame KRN-KRN} f6 29. e4 Kf7 30. Ke3 Rc8 31. a4 ({White should try} 31. e5 $16 Ne8 32. Rd7) 31... Ke8 32. Nb5 Nxb5 33. axb5 {KR-KR} a6 34. bxa6 Ra8 35. e5 fxe5 36. Rxe5 Rxa6 37. Re6 $1 Ra1 (37... Kd7 $16 38. f5 gxf5 39. gxf5 Ra3) 38. Rxb6 $18 Rh1 {[#]} 39. g5 $2 (39. Ke4 $1 $18) 39... Rxh3+ $2 {[%mdl 8192]} (39... Kd7 $1 $11 {and Black has nothing to worry.}) 40. Ke4 {White is clearly winning.} Kd7 (40... h6 $142 41. Rxg6 hxg5) 41. Kd5 Rf3 42. Rb7+ Ke8 43. Kxc5 Rxf4 44. b4 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Rf5+ 45. Kc6 Rxg5 46. b5 h5 47. b6 {Accuracy: White = 66%, Black = 62%.} 1-0

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.11"]
[Round "4.1"]
[White "Nguyen, Thai Dai Van"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2571"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,144,18,57,25,42,0,0,14,-3,27,52,43,86,81,97,65,81,45,47,3,63,78,71,64,146,58,72,58,79,50,69,63,69,55,60,31,48,14,14,0,1,7,20,17,20,14,20,13,13,0,0,0,0,9,5,0,0,-11,0,0,0,0,0,-146,-80,-73,-35,-40,0,-18,0,-47,-28,-182,-182,-400,-393,-624,-622,-552,-246,-225,-239,-233,-207,-487,-68,-243,-244,-252,0,0,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,-8,-8,-8,-8]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Qd7 {6...e6 is the modern continuation.} 7. Rb1 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} b6 8. a3 Bb7 9. b4 Bxc3 10. dxc3 {[#]} Rc8 $146 ({Predecessor:} 10... Nf6 11. Bh6 Ng4 12. Bh3 f5 13. Bf4 e5 14. Bg5 h6 15. Bc1 O-O-O 16. a4 e4 17. Nh4 g5 18. Nxf5 Qxf5 19. f3 exf3 20. exf3 Qxb1 21. bxc5 Kb8 {0-1 (21) Dragicevic,D (2339)-Bauer,C (2647) Nancy 2019}) 11. Re1 Ba8 12. e4 f6 13. h4 h6 14. Qd3 {Threatens to win with e5.} g5 15. b5 (15. Qc2 {looks sharper.} Kf8 16. Be3 g4 17. Nd2 Ne5 18. a4) 15... Ne5 (15... Na5 $1 $11) 16. Nxe5 $14 dxe5 17. Qe2 Qe6 (17... gxh4 $1 $14 18. Rd1 (18. gxh4 h5 $14) 18... Qe6) 18. h5 (18. Bf3 $16 Rd8 19. Rb2) 18... Rd8 19. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bb7 {[#]} 20. a5 $1 {[%mdl 512]} Qd7 (20... bxa5 21. Qa2) 21. Be3 Qc7 22. Ra1 e6 23. axb6 axb6 24. Ra7 Ne7 25. Bh3 Nc8 26. Ra2 Kf7 27. f3 Qe7 28. Rf1 Kg7 29. Kh2 Nd6 30. Ra7 Ra8 31. Rfa1 Kf7 32. Rxa8 Rxa8 33. Rxa8 Bxa8 34. Qd3 Bb7 35. Bg2 Qc7 36. Kg1 Ke7 37. Bf1 (37. g4 $11) 37... Qb8 (37... f5 $142 {[%cal Rf5e4]} 38. exf5 exf5) 38. g4 $17 Qf8 (38... f5 $5 39. Bf2 (39. exf5 exf5 40. gxf5 e4 $15) 39... fxe4 40. fxe4 Bxe4 $17) 39. Bh3 Kd7 40. Kf2 Kc7 41. Bd2 Qf7 42. Ke2 $2 {[#]} (42. Qe2 $11) 42... f5 $1 $19 {[%cal Rf5e4][%mdl 576] Deflection} 43. exf5 $2 (43. Bg2) 43... exf5 {White must now prevent ...e4.} 44. gxf5 (44. Bf1 $142) 44... Qxh5 45. Bg4 Qf7 (45... Qh1 $142 46. Qe3 Nxc4) 46. f6 Qxf6 ({And not} 46... Nxc4 47. Qf5 $11) 47. Qh7+ Kb8 48. Be3 $2 (48. Be1 {was called for.} e4 49. fxe4 (49. Bg3 $2 exf3+ 50. Kf1 Qxc3 $19)) 48... Bc8 $2 ({Black should play} 48... e4 $19 49. fxe4 Nxe4) 49. Bxc8 $2 (49. Qg8 $15) 49... Kxc8 ({Less strong is} 49... Nxc8 50. Qd7 $17) 50. Qa7 {[#]} Nxc4 $2 {[#]} (50... e4 $1 $19 51. Qa8+ Kd7 52. Qc6+ Ke7 53. Qc7+ Ke6 54. fxe4 Qxc3 55. Qxb6 Qxc4+ 56. Kf2 Qc2+ 57. Kf1 Qd3+ 58. Kf2 c4) 51. Bxc5 $1 $11 {[%mdl 512] The position is equal.} Qe6 (51... bxc5 52. Qxc5+) 52. Qa8+ Kd7 53. Qb7+ Ke8 54. Bb4 h5 55. Qg7 h4 56. Qxg5 h3 57. Qh5+ Kd7 58. Qh7+ Kc8 {aiming for ...e4!} 59. Qh8+ Kc7 {Hoping for ...e4.} 60. Qh7+ Qd7 61. Qxd7+ Kxd7 {[%mdl 4096] Endgame KB-KN} 62. Kf2 Nd6 (62... h2 $5 63. Kg2 $8 Nd2 $11) 63. Kg3 Nxb5 64. Kxh3 Ke6 65. Kg4 Na7 66. c4 Nc6 67. Bc3 Nb8 68. f4 exf4 69. Kxf4 Nd7 70. Bd4 Kd6 71. Bxb6 Nxb6 72. c5+ Kxc5 {And White is the lucky defender. Accuracy: White = 63%, Black = 76%.} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.11"]
[Round "5.1"]
[White "Short, Nigel D"]
[Black "Nguyen, Thai Dai Van"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2626"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,0,0,0,14,0,0,-7,-7,-8,-3,-4,-2,-22,-19,-33,-12,-33,14,-67,-68,-58,-63,-133,-133,-148,0,0,0,0,0,0,8,8,15,0,32,30,30,20,31,24,22,17,28,0,0,0,0,0,0,0,0,0,0,0,-2,-22,0,0,0,-31,0,0,0,-22]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. a4 a5 8. b5 Ne7 9. Na3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} h6 {[#]} 10. Ba2 $146 ({Predecessor:} 10. Nc2 c6 11. bxc6 bxc6 12. Be3 Bc7 13. Bd2 O-O 14. Qe2 Ng6 15. O-O d5 16. Ba2 Bg4 {½-½ (43) Hahn,W-Heinz,J DDR 1990}) 10... c6 11. Nc4 Bc7 12. O-O O-O 13. Re1 Ng6 14. Ba3 Re8 15. b6 Bb8 16. d4 Bg4 17. h3 ({White should play} 17. dxe5 $1 $11 Bxf3 18. Qxf3 (18. gxf3 Nxe5 19. Bxd6 Nxc4 $15) 18... Nxe5 19. Nxe5 Rxe5 20. c4) 17... Bxf3 $1 $15 18. Qxf3 d5 $1 {[%cal Rd5c4]} 19. Nxe5 (19. exd5 $15 e4 20. Qd1 Nxd5 21. g3) 19... Bxe5 $17 ({But not} 19... Nxe5 $6 20. dxe5 Bxe5 21. exd5 $15) 20. exd5 cxd5 (20... Nh4 $17 21. Qd3 Bd6 22. Bxd6 Qxd6) 21. dxe5 $11 Nxe5 22. Qf5 Nc4 23. Bc5 Qd7 $132 {[%mdl 2048] Black is fighting back} 24. Qxd7 Nxd7 25. Bxc4 {[#] Rxe8+ is the strong threat.} dxc4 (25... Rxe1+ {is more complex.} 26. Rxe1 Nxc5 27. Bxd5 Kf8 28. c4 Ra6) 26. Bd4 f6 27. f4 Kf7 28. Kf2 Rxe1 29. Rxe1 {[%mdl 4096] Endgame KRB-KRN} Rc8 30. Rb1 Nc5 $1 31. Bxc5 Rxc5 {KR-KR} 32. Rd1 {[#] Hoping for Rd7+.} Ke6 33. Rd4 Rc6 34. Ke3 Rxb6 35. Rxc4 Rb2 36. g3 Rg2 37. Kf3 Ra2 38. Ke4 Re2+ 39. Kf3 Ra2 40. Ke4 {Accuracy: White = 80%, Black = 86%.} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.11"]
[Round "6.1"]
[White "Nguyen, Thai Dai Van"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2571"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,65,24,15,25,11,0,0,-22,0,-4,-16,-33,-37,-30,0,-14,6,-25,-25,-37,-31,-36,-27,-47,-35,-60,-52,-72,-78,-92,-96,-58,-14,-8,6,0,37,0,34,27,29,17,44,37,51,36,57,54,69,31,37,0,78,43,40,0]} 1. Nf3 b5 2. e4 Bb7 3. Bxb5 Bxe4 4. Nc3 Bb7 5. O-O Nf6 6. d4 e6 7. Re1 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} Be7 {[#]} 8. Bc4 $146 ({Predecessor:} 8. Bg5 O-O 9. Qe2 d6 10. Rad1 Nbd7 11. Bc1 a6 12. Ba4 Nb6 13. Bb3 Re8 14. a3 {1-0 (49) Jussupow,A (2583)-Drazic,S (2495) Bastia 2004}) 8... d5 9. Bd3 {The position is equal.} Nbd7 10. Ne2 O-O 11. Ng3 c5 12. c3 a5 13. Ne5 Re8 14. Bg5 (14. Bb5 {looks sharper.} cxd4 15. cxd4 Rf8 16. Be3 Rc8 17. Rc1) 14... cxd4 {White must now prevent ...Nxe5.} 15. cxd4 Nxe5 16. dxe5 {[#] Threatens to win with Bxf6.} Nd7 17. Bxe7 Qxe7 18. Nh5 g6 19. Qg4 Ba6 20. Bxa6 Rxa6 21. Rac1 Kh8 22. Nf4 Ra7 23. h4 Rb7 24. h5 g5 {[#] And now ...Rb4 would win.} 25. Nd3 h6 26. Qd4 Reb8 27. Rc6 Kg7 28. Rec1 Qd8 29. b3 Rb6 30. Rc7 R6b7 31. R7c6 Rb6 32. R6c3 Rb5 33. Rc6 {Accuracy: White = 73%, Black = 81%.} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.12"]
[Round "7.1"]
[White "Short, Nigel D"]
[Black "Nguyen, Thai Dai Van"]
[Result "0-1"]
[ECO "E57"]
[WhiteElo "2626"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,126,0,0,8,0,0,0,0,0,-12,-9,-12,-17,9,0,18,0,-13,-4,-19,-29,-8,-49,-66,-62,-4,-13,0,-18,-14,-34,-33,-61,-47,-110,-99,-117,-35,-34,-28,-26,-12,-21,0,-87,0,0,0,0,0,0,0,0,0,-11,-5,-17,0,-107,-107,-107,-107,-108,-97,-143,-97,-132,-97,-146,-135,-137,-121,-114,-91,-97,-98,-107,-107,-107,-107,-107,-78,-78,-76,-70,-26,-33,-26,-33,-26,-34,-33,-106,-106,-1729,-1729,-1729,-1703,-1696,-1696,-1696,-1223,-6125,-5704,-6070,-5329,-2288,-1693]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 dxc4 8. Bxc4 c5 9. O-O cxd4 10. exd4 Nc6 11. a3 Nd5 {E57: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6 8 a3 dxc4 9 Bxc4 cxd4.} 12. Bg3 Nxc3 13. bxc3 {[#]} b6 $146 {The position is equal.} ({Predecessor:} 13... Bf6 14. Qe2 b6 15. Rfd1 Na5 16. Ba2 Bb7 17. Ne5 Rc8 18. Rac1 Qe7 19. Ng4 Kh8 20. Nxf6 Qxf6 {½-½ (40) Monnisha,G (2288)-Mahalakshmi,M (2149) Dindigul 2015}) 14. Qd3 Bb7 15. Ba2 Bf6 16. Rfe1 Re8 17. Rad1 Rc8 18. Bb1 g6 19. h4 h5 20. c4 Ne7 21. Be5 (21. d5 $5) 21... Nf5 22. g3 Bxe5 (22... Bxf3 $15 23. Qxf3 Rxc4) 23. Nxe5 $11 Qf6 24. Qd2 Red8 25. Qf4 Kg7 26. Ba2 Ne7 {And now ...Qxf4 would win.} 27. Qxf6+ (27. Qd2 $15) 27... Kxf6 $17 28. Rd2 Nc6 ({Black should try} 28... Nf5 $17 29. Red1 Rc7) 29. Nxc6 $15 Rxc6 30. Red1 Rc7 31. f4 Bf3 32. Rc1 {[#]} (32. Re1 $11) 32... Rcd7 (32... Bd5 $1 $17 {[%mdl 512]} 33. a4 (33. cxd5 Rxc1+) 33... Bc6) 33. Kf2 $11 Bb7 34. Ke3 Ke7 35. Bb3 Rc7 36. c5 Bd5 37. Bxd5 Rxd5 {[%mdl 4096] Endgame KRR-KRR} 38. Rdc2 Rcd7 39. c6 (39. Rc3 $11 {keeps the balance.}) 39... Rc7 $17 40. a4 Kd6 41. Rc4 Ra5 42. Ke4 Rf5 43. R1c2 Rd5 44. Rc1 {[#]} b5 $1 {[%cal Rb5c4]} 45. axb5 Rxb5 46. R1c3 Rb6 47. Ra4 a6 ({Don't play} 47... Rcxc6 $6 48. Rxc6+ Rxc6 49. Rxa7 $11) 48. Rca3 Rcxc6 49. Ra5 Ke7 50. d5 Rd6 (50... exd5+ {feels hotter.} 51. Rxd5 Rb5 52. Re5+ Kf6 53. Re8 Re6+) 51. dxe6 Rxe6+ 52. Kf3 Kf6 53. R5a4 Rec6 54. Ra5 Rd6 55. R5a4 Kf5 56. Ra5+ {[#]} (56. Rc4 $15) 56... Rb5 $1 57. Rxa6 $2 {[%mdl 8192] Loses the game.} (57. R5a4 $17) 57... Rxa6 $19 {Black is clearly winning.} 58. Rxa6 $17 {KR-KR} Rb3+ 59. Kf2 Kg4 60. Rf6 Rf3+ 61. Ke2 Kxg3 62. Rxf7 Rxf4 63. Rg7 Rf6 {Accuracy: White = 67%, Black = 81%.} 0-1

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.12"]
[Round "8.1"]
[White "Nguyen, Thai Dai Van"]
[Black "Short, Nigel D"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2571"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,101,1,8,8,7,-12,-10,-20,0,0,-12,-13,20,13,28,-15,0,0,22,31,45,7,43,25,70,48,90,79,121,91,143,131,137,124,131,136,139,84,77,94,109,69,145,162,151,141,124,91,73,42,38,45,66,43,43,33,40,42,57,60,66,68,72,74,251,242,152,16,16,31,33,35,17,62,5269,5281,4229,4195,2427,2250,1708,1662,1548,1471,29979,29980,29980,29980,29980,29981,29985,29986]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Bf5 {6...e6 gains popularity.} 7. d3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Qd7 8. Be3 $5 {[%mdl 4] Leaves trodden paths.} Bh3 {[#]} 9. Rb1 $146 {The position is equal.} ({Predecessor:} 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Nf6 12. f3 O-O 13. Qd2 Rfc8 14. Rac1 Nxd4 15. Qxd4 {0-1 (69) Komut,B (2007)-Yurtseven,M (2299) Kocaeli 2015}) 9... Bxg2 10. Kxg2 h5 11. h4 Nh6 12. Bxh6 Bxh6 13. a3 O-O 14. b4 f5 15. e3 e6 16. Qe2 Rad8 17. Rfd1 b6 18. d4 cxd4 19. exd4 Rde8 20. c5 Nd8 ({Better is} 20... Ne7) 21. cxd6 Qxd6 22. Ne5 Kh7 23. f4 Bg7 24. Qf3 (24. Nb5 $142 Qb8 25. Rbc1) 24... Re7 $16 25. Rbc1 Qb8 26. Ne2 Rc7 (26... Rfe8 $14) 27. Rxc7 Qxc7 28. Rc1 Qe7 29. Rc8 Nf7 30. Rxf8 (30. Rc6 {feels hotter.} Nd8 31. Rc3 Nf7 32. Rc4 Nd6 33. Rc6) 30... Bxf8 31. Qc6 Bg7 32. Nxf7 Qxf7 33. Kf3 Qe7 34. Ke3 Bf6 35. Ng1 Kg7 36. Nf3 Kf7 37. Kd3 Qd8 $2 (37... Qe8 $16 38. Ne5+ Bxe5 39. Qxe8+ Kxe8 40. fxe5 (40. dxe5 a6 $11) 40... a5) 38. Kc4 $18 a6 39. a4 (39. b5 $16 axb5+ 40. Kxb5) 39... Ke7 $1 $11 40. Ne5 Bxe5 $1 41. fxe5 $14 {[%mdl 4096] [#] Endgame Hoping for d5. KQ-KQ} g5 $1 42. hxg5 {Threatens to win with g6.} b5+ $2 {[%mdl 8192]} (42... f4 $14) 43. axb5 $18 axb5+ 44. Kd3 Kf7 {[#]} 45. g6+ $1 {[%mdl 576] Deflection, Decoy} Kxg6 46. Qxe6+ Kg5 47. d5 Qf8 48. d6 {White mates.} Kg4 49. Qg6+ Kf3 50. d7 Kf2 51. Qb6+ {[%mdl 64] Double Attack. Accuracy: White = 78%, Black = 69%.} 1-0

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.12"]
[Round "9.1"]
[White "Short, Nigel D"]
[Black "Nguyen, Thai Dai Van"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2626"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,83,13,19,16,0,0,-7,0,-15,-13,-15,-6,0,0,0,0,-45,-80,-91,-68,-106,-79,-349,-30,-32,-35,-50,-48,-39,-51,-48,-11,-75,-11,-11,-11,-113,-91,-101,-93,-118,-111,-203,-203,-203,-183,-203,-203,-195,-195,-189,-144,-136,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Rc1 b6 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 12. h4 Bb7 13. Bd3 {[#]} Nd7 $146 ({Predecessor:} 13... Nc6 14. Bb1 Qd6 15. h5 Rfd8 16. e5 Qb4 17. Be4 Rac8 18. Bxc6 Qxd2+ 19. Kxd2 Bxc6 {½-½ (59) Navara,D (2717)-Krassowizkij,J (2436) Austria 2019}) 14. h5 h6 15. e5 Qe7 16. O-O Bxf3 17. gxf3 f6 18. Rc7 Qd8 ({Reject} 18... Nxe5 $6 19. Rxe7 Nxf3+ 20. Kg2 $16) 19. Rc6 fxe5 20. Re1 Rf4 {aiming for ...Qg5+.} ({Of course not} 20... exd4 $6 21. Rexe6 Rc8 22. Bc4 $11) 21. Bc4 $2 {[%mdl 8192]} (21. Re4 $17) 21... Nc5 $2 ({Weaker is} 21... Rxd4 22. Bxe6+ Kh8 23. Qe3 $11) ({Black should try} 21... Qg5+ $1 $19 22. Kf1 Qxh5 23. Bxe6+ Kh8) 22. Rxe5 $11 Qxd4 23. Qxd4 Rxd4 24. Bxe6+ Nxe6 25. Rexe6 {[%mdl 4096] Endgame KRR-KRR} Rad8 26. Kg2 (26. Re7 $11) 26... R4d5 (26... R8d5 $17 27. Rg6 Rd7) 27. f4 $1 Rf8 28. Kg3 (28. Rc7 $11) 28... Rxh5 29. Rc7 {[#]} Rhf5 $1 30. Rxa7 Rxf4 31. Ra3 (31. Re2 $17 {was called for.}) 31... Rxf2 $19 32. Rxb6 Rc2 33. Ra7 Rc3+ 34. Kg4 Rc4+ 35. Kg3 Rd8 36. Rg6 {[#]} Rd3+ (36... Rc3+ $1 $17 37. Kf4 Rf8+ 38. Kg4 Rf7 39. Rxf7 Kxf7) 37. Kf2 $11 {The position is equal.} Rc2+ 38. Ke1 Kf8 39. Rgxg7 Rh3 40. Rgf7+ Ke8 {Hoping for ...Rh1+.} 41. Kd1 {Intending Rh7! and mate.} Rxa2 {( -> ...Rh1+)} 42. Rfe7+ {Black had all chances to win. Accuracy: White = 61%, Black = 71%.} 1/2-1/2

[Event "Thai Dai Van Nguyen vs Nigel Short 2020"]
[Site "Prague"]
[Date "2020.10.12"]
[Round "10.1"]
[White "Nguyen, Thai Dai Van"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2571"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2020.10.10"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,26,86,76,106,90,97,98,113,97,138,151,200,185,177,189,193,160,159,171,176,160,146,136,166,115,145,122,193,193,193,186,191,191,181,171,179,147,139,134,130,132,170,164,190,171,181,146,138,97,105,104,197,198,211,39,47,47,23,0,0,-8,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e6 4. g3 g5 5. h3 {[#]} h6 $146 (5... Bg7 $11 {remains equal.}) ({Predecessor:} 5... Bg7 6. Bg2 h6 7. e3 Nge7 8. d4 d6 9. O-O Nf5 10. d5 exd5 11. Nxd5 O-O {0-1 (46) Erdos,V (2621)-Ponkratov,P (2630) chess.com INT 2020}) 6. d4 $16 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} d6 7. Bg2 Bg7 {[%cal Rc5d4]} 8. dxc5 {White is better.} dxc5 9. Qxd8+ Kxd8 10. Be3 Nd4 {With the idea ...Nc2+.} 11. Nxd4 cxd4 {[#]} 12. Bxd4 $1 {[%mdl 512]} Bxd4 13. O-O-O Ke7 14. Rxd4 Nf6 15. Rhd1 Rb8 16. b3 a6 17. a4 (17. Rd6 $18) 17... a5 18. Kb2 Bd7 (18... b6 $16 {might work better.} 19. Nb5 Bb7) 19. Ne4 $18 Bc6 20. Nxf6 {Strongly threatening Bxc6.} Bxg2 21. Ng4 Bc6 22. Ne5 Be8 23. c5 Rc8 24. c6 Bxc6 25. Nxc6+ bxc6 $16 {[%mdl 4096] Endgame KRR-KRR} 26. Rd7+ Kf6 27. R1d3 Kg6 28. Kc3 h5 29. e4 g4 {[#]} 30. h4 $1 Rb8 {[#]} (30... Kf6 $16 {was called for.}) 31. Ra7 $1 $18 Rb4 32. f3 $2 ({White should try} 32. Rxa5 $18 Rhb8 33. Kc2) 32... Rhb8 $14 33. Kc2 c5 $1 {[%cal Bc6c5,Bc5c4][%mdl 32] Threatening ...c4.} 34. Rxa5 c4 $1 {[%cal Rc4d3] The position is equal.} 35. Rc3 cxb3+ 36. Kb2 Rd8 {aiming for ...Rd2+.} 37. Rb5 Rxa4 38. Kxb3 Rda8 39. Rg5+ Kf6 40. fxg4 {Black must now prevent e5+.} Ra3+ 41. Kc2 Rxc3+ 42. Kxc3 $11 {KR-KR} Ra3+ $1 43. Kd2 Rxg3 44. e5+ Ke7 45. gxh5 {[%mdl 64] Discovered Attack} Rh3 46. Rg4 {And now h6 would win.} Ra3 47. h6 {h7 is the strong threat.} Ra8 48. h7 Rh8 49. Rg7 Kf8 50. Rg8+ Rxg8 51. hxg8=Q+ Kxg8 {KPP-KPP} 52. Ke3 {White wants to mate with Kf4.} Kg7 53. Kf4 {Threatening mate with Kg5.} Kg6 54. Kg4 {h5+ would kill now.} f5+ 55. exf6 Kxf6 56. Kf4 Kg6 57. h5+ Kxh5 58. Ke5 Kh4 59. Kxe6 {Black defended with fortune. Accuracy: White = 85%, Black = 78%.} 1/2-1/2

