[Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.12"] [Round "1.1"] [White "Grandelius, Nils"] [Black "Harikrishna, Pentala"] [Result "1/2-1/2"] [ECO "B47"] [WhiteElo "2659"] [BlackElo "2713"] [Annotator "TA"] [PlyCount "72"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,72,46,37,58,23,27,24,18,29,27,23,37,16,14,15,21,20,46,45,36,43,40,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,-8,-4,-4,0,-5,-5,-5,-5,-5,-5]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Bb4 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. a3 (14. Nb5 $5 axb5 15. Qxb4 $14) 14... Bxc3 $1 15. Qxc3 Qxc3 {White has an edge.} 16. bxc3 Be6 17. Rxd6 Rc8 {[#]} 18. Bb6 $146 (18. Bd2 {seems wilder.} Ke7 19. Rb6 Rhd8 20. Rxb7+ Kf8 21. Be3) ({Predecessor:} 18. Rb1 Rxc3 19. Rxb7 O-O 20. Ra7 Ng4 21. Bd2 Rxa3 22. Bf1 Rc8 23. Bd3 Ra1+ 24. Kg2 {1-0 (60) Rocco,F (2157)-Wadsworth,M (2418) Torquay 2019}) 18... O-O 19. Ba5 Rc4 $1 20. Rb6 Nxe4 21. Re1 Nxc3 22. Bxb7 Na4 23. Rxa6 Nc5 {The position is equal.} 24. Ra7 Nxb7 25. Rxb7 Rxc2 26. Rxe5 Ra2 27. Kg2 Re8 {[#] aiming for ...Bh3+!} 28. Bc7 Rxa3 29. Rb8 Rxb8 30. Bxb8 $11 {[%mdl 4096] Endgame KRB-KRB} g5 31. h3 Rd3 32. Re1 h5 33. Ba7 Kg7 34. Kh2 Kg6 35. Be3 g4 36. h4 Bd5 {Accuracy: White = 90%, Black = 95%.} 1/2-1/2 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.13"] [Round "2.2"] [White "Grandelius, Nils"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2659"] [BlackElo "2726"] [Annotator "TA"] [PlyCount "160"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,160,19,16,21,22,22,18,21,16,18,14,27,20,26,1,7,0,0,8,18,4,31,0,0,0,0,0,0,0,2,0,6,9,9,8,27,27,27,22,30,39,29,27,31,27,20,22,23,14,51,36,123,122,119,122,157,145,178,178,180,166,173,173,156,70,79,79,60,72,102,102,102,72,80,77,79,78,85,81,113,113,113,113,113,113,113,113,173,173,166,166,166,166,166,166,166,166,166,166,166,8,8,8,8,8,8,8,8,8,166,166,166,8,8,8,27,8,8,8,166,8,8,8,8,0,8,0,8,0,166,166,166,166,166,166,166,166,166,166,235,235,235,235,235]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Bf4 Rxe1 12. Qxe1 Ne8 {The position is equal.} 13. c3 d5 14. Nd2 g6 15. Nf3 c6 16. Bd3 Ng7 17. Bh6 {[#]} Nf5 $146 ({Predecessor:} 17... Be6 18. h3 Qc7 19. Qd2 Re8 20. Re1 Qc8 21. g4 Be7 22. Qf4 {½-½ (22) Yusin,J-Sodomski,A (2295) ICCF email 2018}) 18. Bxf5 Bxf5 19. h3 Be4 20. Nd2 Qe7 21. Qe3 Re8 22. Qf4 Bf5 23. Nf3 Qd8 24. Ne5 Be7 25. g4 Be6 26. Re1 Bd6 27. Bg5 Qb6 28. b4 Qc7 29. Bf6 b6 30. h4 c5 $1 31. bxc5 ({Much worse is} 31. Qh6 Bf8 $15) 31... bxc5 32. h5 {aiming for Qg5.} cxd4 33. cxd4 $40 {[%mdl 128] White has some attack.} Qc3 (33... Qa5 $5 {[%cal Ra5e1]} 34. Rb1 Qxa2 $11) 34. Rb1 {[%cal Be1b1,Bb1b7,Bb7a7][%mdl 32]} Bf8 (34... Qc2 $14 35. Rb7 Qd1+ 36. Kg2 Bxe5 37. Bxe5 Qxg4+ 38. Qxg4 Bxg4) 35. hxg6 $16 fxg6 36. Kg2 Qc2 37. Rb7 {White wants to mate with Rxh7!} Rc8 38. Rxa7 Qe4+ 39. Qxe4 dxe4 40. a4 Bd5 41. Rd7 (41. Ra5 $1 $16 {[%cal Ra5d5]} Bb7 42. Rb5) 41... Be6 $14 42. Rd8 Rxd8 43. Bxd8 $16 {[%mdl 4096] Endgame KBB-KBN} Bd6 44. Kg3 Kf8 45. Kf4 Bd5 46. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ke8 {[#]} 47. Bb6 $1 Bb4 {[#]} 48. Ke3 $1 Ba3 49. a6 Bc1+ 50. Ke2 Bf4 51. a7 Ke7 52. Ke1 Bxe5 (52... Bb7 $16 {keeps fighting.}) 53. dxe5 {KB-KB} Ke6 54. Bc7 h5 55. gxh5 gxh5 56. Kf1 h4 57. Kg1 h3 58. Kh2 e3 59. f4 $2 (59. fxe3 $18 Bg2 60. Bd6) 59... e2 $11 60. Ba5 Bg2 61. Be1 $1 Kf5 $1 62. Kg1 Bd5 63. Bg3 Kg4 $2 (63... Bf3 $1 $11 {and Black stays safe.} 64. Kh2 Bg2) 64. Kh2 $18 {Black must now prevent e6!} Kf5 65. Bf2 $2 ({White has to play} 65. Kxh3 $18 e1=B 66. Bxe1 Kxf4 67. Bc3) 65... Bg2 $1 $11 66. Kg3 Bd5 67. Be1 Bg2 $1 68. Bd2 Bd5 $2 (68... Ke6 $1 $11 {and Black has nothing to worry.}) 69. Kh2 $2 (69. Kxh3 $18 e1=B 70. Bxe1 Kxf4 71. Bc3) 69... Bg2 70. Kg1 Bc6 71. Be1 {With the idea Kh2.} Bd5 72. Bg3 {And now Kf2 would win.} Kg4 73. Kh2 $2 (73. Bf2 $11 Kf5 74. Kh2) 73... Kf5 $1 $18 74. Kxh3 {Hoping for Kh4.White is clearly better.} e1=Q 75. Bxe1 Kxf4 76. Bg3+ Kf5 77. Kh4 Ke6 78. Kg5 Kd7 (78... Be4 {might work better.}) 79. Kf6 {Strongly threatening e6+.} Kc8 80. e6 {Intending e7 and mate.} Kb7 {Accuracy: White = 79%, Black = 80%.} 1/2-1/2 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.15"] [Round "4.5"] [White "Grandelius, Nils"] [Black "Vidit, Santosh Gujrathi"] [Result "1/2-1/2"] [ECO "C65"] [WhiteElo "2659"] [BlackElo "2721"] [Annotator "TA"] [PlyCount "70"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,70,7,20,0,6,5,2,8,17,10,12,12,8,9,4,0,1,0,1,0,24,21,25,9,13,16,27,18,26,15,35,18,29,11,27,28,35,35,42,34,44,22,44,44,43,44,45,0,0,0,0,0,12,8,8,8,9,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d5 6. exd5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Qxd5 {aiming for ...Bxf2+!} 7. Bc4 Qd6 8. Nbd2 Bf5 9. b4 Bb6 10. Ng5 O-O $132 {[%mdl 2048] Black is not holding back} 11. Nde4 Nxe4 12. dxe4 Qxd1+ 13. Kxd1 Bg4+ 14. f3 Bd7 15. a4 h6 16. a5 {[#] Hoping for Nxf7.} hxg5 {[#]} 17. Bxg5 $146 ({Predecessor:} 17. axb6 axb6 18. Rxa8 Rxa8 19. Kc2 Kf8 20. Rd1 Be8 21. Bxg5 f6 22. Be3 Nd8 23. Kb2 {½-½ (34) Begliy,M (2422)-Panitevsky,I (2516) ICCF email 2018}) 17... Bxa5 18. bxa5 b6 19. Bd5 Rac8 20. axb6 cxb6 21. h4 Rfe8 22. Bxc6 Rxc6 23. Rxa7 Be6 24. Ra3 b5 25. Ke2 Rec8 26. Bd2 Rd8 {[#] White must now prevent ...Bc4+.} 27. Rha1 Kh7 {And now ...Bc4+ would win.} 28. Ra8 Bc4+ {The position is equal.} 29. Ke1 Rd3 30. R1a6 Rxa6 31. Rxa6 b4 32. Rc6 bxc3 33. Rxc4 Rxd2 34. g4 $1 Rh2 {Threatens to win with ...c2.} 35. Rxc3 Rxh4 {Accuracy: White = 96%, Black = 100%.} 1/2-1/2 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.18"] [Round "6.3"] [White "Grandelius, Nils"] [Black "Duda, Jan-Krzysztof"] [Result "1/2-1/2"] [ECO "B51"] [WhiteElo "2659"] [BlackElo "2755"] [Annotator "TA"] [PlyCount "58"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,58,1,6,5,12,14,31,30,19,15,25,31,20,0,8,14,10,15,8,3,23,19,14,16,41,31,30,0,20,13,24,0,41,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 e5 8. Qd3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Rc8 9. O-O h6 10. Nd2 $1 {[%mdl 4] White is slightly better. is currently scoring better than 10.a4.} Qc7 11. Rd1 Nf6 12. Nf1 Bg4 13. Re1 Be6 14. Ne3 Be7 15. Rd1 O-O 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] [#]} Bc4 $146 ({Predecessor:} 16... Rfd8 17. a5 Bf8 18. Bd2 g6 19. Be1 Qc5 20. Na4 Qc6 21. Nb6 Nxe4 22. Nxc8 Rxc8 {1-0 (56) So,W (2767)-Ganguly,S (2658) Douglas 2019}) 17. Nxc4 Qxc4 18. a5 Qxd3 19. Rxd3 Rc4 20. f3 Rfc8 21. Kf1 Kf8 22. Bd2 Ne8 23. Nd5 Rxc2 {The position is equal.} 24. Bc3 $36 {[%mdl 2048] Threatens to win with Ne3. White has good play.} Bh4 25. Ne3 Rf2+ 26. Kg1 {[#] Black must now prevent Nf5.} Re2 27. Kf1 Rf2+ 28. Kg1 {Strongly threatening Nf5.} Re2 {Hoping for ...Bf2+.} 29. Kf1 Rf2+ {Accuracy: White = 90%, Black = 94%.} 1/2-1/2 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.20"] [Round "8.2"] [White "Grandelius, Nils"] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "B31"] [WhiteElo "2659"] [BlackElo "2697"] [Annotator "TA"] [PlyCount "134"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,134,10,7,25,0,0,0,0,0,4,0,0,0,0,0,0,0,0,11,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-80,-70,-43,11,0,0,-24,0,-96,-91,-106,-98,-121,-101,-113,-116,-162,-150,-172,-149,-167,-152,-159,-153,-154,-139,-196,-164,-152,-159,-199,-208,-264,-266,-301,-301,-306,-307,-321,-202,-211,-211,-213,-220,-221,-205,-220,-224,-450,-276,-302,-195,-529,-530,-508,-492,-566,-556,-639,-525,-568,-888,-891,-897,-1107,-1114,-1202,-1265,-1281,-1190,-901,-945,-1034,-832,-1115,-933,-2126,-1886,-1534,-1420,-1937,-1852,-29953,-29959,-29947,-29955,-5804,-5114,-29986,-29987]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 a6 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. Bd3 d5 9. e5 Ne4 {[#] The position is equal.} 10. Be3 $146 ({Predecessor:} 10. Nbd2 Nxd2 11. Bxd2 Bg4 12. Be3 cxd4 13. cxd4 f6 14. exf6 Bxf6 15. Be2 Qb6 16. Qd2 {0-1 (47) Khanin,S (2500)-Adhiban,B (2654) Moscow 2019}) 10... Qb6 11. Qc2 cxd4 12. cxd4 Bf5 13. Nc3 Nxc3 14. bxc3 Bxd3 15. Qxd3 Na5 16. h4 Qe6 17. Ng5 Qg4 18. f3 Qxh4 19. Re2 $1 {And now g3! would win.} Nc4 {[#]} 20. g3 $1 {[%cal Rg3h4][%mdl 512]} Qxg3+ 21. Rg2 Qh4 22. Rh2 Qg3+ 23. Kh1 {[#]} (23. Rg2 $11 Nxe5 24. Qe2 (24. Rxg3 $2 Nxd3 25. f4 Nb2 $19) (24. dxe5 Qxe5 25. Bd4 Qd6 $11) 24... Nxf3+ 25. Nxf3) 23... Nxe5 $1 $17 ({But not} 23... Nxe3 $6 24. Qxe3 h6 25. Rg1 $11) 24. dxe5 Qxe5 (24... h6 $15 25. Rg1 Qxe5) 25. Bd2 h6 $36 {[%mdl 2048] Black has the initiative.} 26. Nh3 e6 27. Re1 {[#]} (27. Rg1 $11) 27... Qf6 $1 28. Nf2 h5 29. Nh3 Rfc8 30. Ng5 Rc4 31. f4 Rac8 32. Nf3 Ra4 33. Qb1 b5 34. Ne5 Qf5 35. Qxf5 exf5 ({And not} 35... gxf5 36. Rg2 $11) 36. Rh3 d4 37. cxd4 Rxd4 38. Nf3 Rd3 39. Re7 Bc3 40. Bxc3 Rcxc3 ({Don't play} 40... Rdxc3 41. Ng5 $19) 41. Kg2 Rc2+ 42. Kg3 Rc4 43. Re2 b4 44. Rh1 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 45. Rf1 a4 46. Re8+ Kg7 47. Re7 $2 (47. Rf2) 47... b3 48. axb3 Rxb3 49. Re2 $2 (49. Ra7 {is tougher.}) 49... a3 $19 50. Rd2 Ra4 51. Ra2 f6 52. Rh1 Rc4 53. Rf1 {[#]} h4+ $1 {[%mdl 576] Decoy} 54. Kxh4 Rxf4+ 55. Kg3 g5 56. Kg2 Kg6 57. Nd2 Rg4+ 58. Kf2 Rb2 59. Rxb2 axb2 {[%mdl 4096] Endgame KRN-KR} 60. Rb1 Rb4 61. Nf3 f4 62. Ne1 Rb3 63. Ke2 g4 64. Nd3 f3+ 65. Kd2 g3 66. Kc2 Rb8 67. Nxb2 f2 {Accuracy: White = 60%, Black = 89%.} 0-1