[Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.1"] [White "Carlsen, Magnus"] [Black "Harikrishna, Pentala"] [Result "1/2-1/2"] [WhiteElo "2862"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "60"] [EventDate "2021.??.??"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 bxc6 8. Bd3 d5 9. O-O Nf6 10. Qe2 Be7 {B46: Sicilian: Taimanov: 5 Nc3 a6.} 11. Bd2 c5 { [%mdl 32] [#] ...c4 is the strong threat.} 12. b3 Bb7 {White is slightly better.} 13. Rae1 c4 {The position is equal.} 14. bxc4 {aiming for exd5.} dxe4 15. Nxe4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 Rc8 18. f5 {[#] Double Attack} Qxc4 { [#] Double Attack} 19. fxe6 f6 20. Qb7 {[#]} Qc6 $146 ({Predecessor:} 20... Rc7 21. Qb8+ Rc8 22. Qg3 g6 23. Bh6 Qd4+ 24. Kh1 Bd6 25. Qh3 Rc3 26. Be3 Qe5 27. Qh4 Rxe3 28. Rxe3 Qxe3 29. Qa4+ Kf8 30. Qd7 Be7 31. Rxf6+ {1-0 (31) Maltsevskaya,A (2273)-Zhemchuzhina,E (1909) Moscow 2017}) 21. Rb1 {Black must now prevent Qxc6+.} Bc5+ 22. Kh1 {Intending Qf7+ and mate.} Qxb7 23. Rxb7 O-O 24. Re1 Rfe8 {White is pushing.} 25. g3 $36 {White is pushing.} Rc6 26. e7 Kf7 27. c4 Bd6 28. Bb4 Bxb4 29. Rxb4 Rxe7 30. Rxe7+ Kxe7 {Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.2"] [White "Anton Guijarro, David"] [Black "Donchenko, Alexander"] [Result "1/2-1/2"] [WhiteElo "2679"] [BlackElo "2668"] [Annotator "TA"] [PlyCount "69"] [EventDate "2021.??.??"] 1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 4. g3 Nc6 5. Bg2 g6 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. a4 Be6 {With the idea ...Nd5. B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 11. Qd1 Rc8 12. Nd5 Qd7 {White is slightly better.} 13. Re1 Rfe8 14. c3 Bh3 {[#]} 15. Bf3 $146 ({Predecessor:} 15. Bh1 Nh5 16. a5 e6 17. Ne3 Nf6 18. Qa4 Rc7 19. Qxd7 Nxd7 20. Rd1 Nc5 21. Ra3 {1/2-1/2 (67) Fakhiridou,E (2196)-Akshayraj,K (2454) Kavala 2012}) 15... Nxd5 16. exd5 a6 17. a5 h5 18. Be3 Bf6 19. Ra4 Kg7 20. Rb4 Rh8 21. Qd2 Bg4 22. Bxg4 (22. Be4 $16) 22... hxg4 $14 23. Qd1 Rh5 24. Bd4 (24. h3 {looks sharper.} Rxh3 25. Qxg4 Qxg4 26. Rxg4 Rch8 27. Kg2) 24... Rch8 {The position is equal.} 25. Bxf6+ exf6 26. Qxg4 Qxg4 27. Rxg4 {[#] Endgame Strongly threatening . ..Rh1+. KRR-KRR} Rxh2 $11 {[#] Endgame Strongly threatening . ..Rh1+. KRR-KRR} 28. Re7 Rh1+ 29. Kg2 R8h2+ 30. Kf3 {aiming for Rd4.} Rf1 31. Re2 Rd1 32. Rd4 Rxd4 33. cxd4 {Re7 is the strong threat.} Rh5 34. Ke4 Rh1 35. Kd3 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.3"] [White "Tari, Aryan"] [Black "Van Foreest, Jorden"] [Result "0-1"] [WhiteElo "2625"] [BlackElo "2671"] [Annotator "TA"] [PlyCount "64"] [EventDate "2021.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. O-O Nge7 6. c3 Ba7 {6...Ng6 is the modern continuation. C64: Ruy Lopez: Classical Defence (3...Bc5) except 4 0-0 Nf6.} 7. d4 Ng6 8. Bg5 f6 {White is slightly better.} 9. Be3 O-O 10. d5 {[#]} Nce7 $146 ({Predecessor:} 10... Nb8 11. Bxa7 Rxa7 12. d6 b5 13. Bb3+ Kh8 14. c4 Bb7 15. Re1 c5 16. Nc3 b4 {1-0 (40) Paravyan,D (2629)-Krysa,L (2522) Caleta 2020}) 11. Bxa7 {[%mdl 32]} Rxa7 12. d6 cxd6 13. Qxd6 b5 14. Bb3+ Kh8 15. a4 Rb7 16. axb5 Rb6 17. Qd1 axb5 18. Nbd2 Bb7 19. c4 f5 20. Bc2 {White does not recover from this.} (20. c5 $11 {and White is okay.} Rbf6 21. Re1) 20... fxe4 $1 $19 21. Ng5 (21. Bxe4 {was worth a try.} Bxe4 22. Nxe4 {Discovered Attack} bxc4 {Discovered Attack} 23. Nc5) 21... Nf5 $1 {[%mdl 32]} 22. Ngxe4 Nf4 $1 { Strongly threatening ...Rg6!} 23. Nf3 (23. Kh1 $142) 23... bxc4 24. Nxe5 {[#]} Nd4 $1 25. Re1 {Black is clearly winning.} Nxc2 26. Qxc2 {Black must now prevent Ng5!} Re6 ({But not} 26... Nxg2 $2 27. Ng5 $1 $18) 27. Qc3 Qe7 28. Ra5 {and the idea Ng5 leaves White hopeful.} d6 29. Ng5 {aiming for Ng6+!} Rxe5 ({ Not} 29... Qxg5 $2 {[#]} 30. Nf7+ $1 Rxf7 31. Rxg5 $18) 30. Raxe5 dxe5 31. Rxe5 (31. Qxe5 $142 Qxe5 32. Rxe5) 31... Qf6 {Hoping for ...Nd3.} 32. Qc2 {Double Attack, Discovered Attack. Weighted Error Value: White=0.78/Black=0.02} Nd3 { Double Attack, Discovered Attack. Weighted Error Value: White=0.78/Black=0.02} 0-1 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.4"] [White "Caruana, Fabiano"] [Black "Vachier-Lagrave, Maxime"] [Result "1-0"] [WhiteElo "2823"] [BlackElo "2784"] [Annotator "TA"] [PlyCount "73"] [EventDate "2021.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Nc6 {B97: Sicilian Najdorf: Poisoned Pawn.} ({Black should play} 10... Nbd7 $15) 11. Nxc6 $11 bxc6 12. e5 {aiming for Rb3.} Nd5 { The position is equal.} 13. Nxd5 exd5 {[#]} (13... cxd5 $11 {keeps the balance. } 14. Rb3 Qc5) 14. e6 $146 ({Predecessor:} 14. O-O dxe5 15. fxe5 Be7 16. Rb3 Bxg5 17. Qxg5 Qc5+ 18. Kh1 O-O 19. Rg3 g6 20. Bd3 {1/2-1/2 (35) Tsaturian, V-Perfanov,B corr 1985}) 14... f6 (14... Qxa2 15. O-O $18) (14... fxe6 15. Rb3 $11) (14... Bxe6 $16 15. O-O Qc5+ 16. Kh1 d4) {White has strong compensation.} 15. Bh5+ $18 {White has strong compensation.} Kd8 {[#]} 16. Bh4 d4 (16... Bxe6 $6 17. O-O $14) 17. Bf2 (17. Qxd4 Qa5+ 18. Kf1 Qxh5 $11) 17... Qc3 (17... Qxa2 $2 18. O-O $18) 18. f5 Qxd2+ 19. Kxd2 c5 20. Bf3 Ra7 {White is in control.} 21. g4 $36 {White is in control.} g6 22. Bh4 Be7 {[#]} (22... Ke7 $16 {might work better.}) 23. Rb6 $1 h5 {White must now prevent ...hxg4.} 24. h3 (24. fxg6 hxg4 25. Bd5 (25. g7 Rg8 $11) 25... Rg8 $14) 24... Ke8 (24... Rh6 $142 25. Bg3 Rc7) 25. Bg3 (25. fxg6 Kf8 $18) (25. gxh5 $142 gxf5 26. Rg1) 25... Rc7 (25... Kf8 { was worth a try.} 26. Bxd6 (26. fxg6 hxg4 27. Bxg4 Kg7 $16) 26... hxg4 27. hxg4 (27. Bxg4 Rb7 $16) 27... Rxh1) 26. Kd3 ({But not} 26. fxg6 $6 h4 $18) 26... hxg4 $2 (26... Kf8 27. Rxd6 (27. fxg6 hxg4 28. Bxg4 Kg7 $16) (27. Bxd6 Bxd6 28. Rxd6 Ke7 $16) 27... Ra7) 27. hxg4 {White is clearly winning.} Rxh1 28. Bxh1 gxf5 29. gxf5 Bf8 30. Kc4 Rh7 31. Be4 Be7 (31... Rh3 $142) 32. Bxd6 {And now Rb8! would win.} Bxd6 33. Rxd6 Bb7 34. Bxb7 Rxb7 35. Rxa6 Rb2 36. Kxc5 Rxc2+ 37. Kxd4 {Weighted Error Value: White=0.17/Black=0.48} 1-0 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.5"] [White "Giri, Anish"] [Black "Grandelius, Nils"] [Result "1-0"] [WhiteElo "2764"] [BlackElo "2663"] [Annotator "TA"] [PlyCount "77"] [EventDate "2021.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 h5 10. Nd5 Nxd5 11. exd5 Bf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. Be2 a5 13. a4 O-O {The position is equal.} 14. O-O Nd7 15. f4 {Threatening fxe5.} exf4 16. Bxf4 {[#]} Rc8 $146 ({ Predecessor:} 16... Bg6 17. Bb5 Bf6 18. c4 Qc7 19. Rae1 Rfd8 20. Bg3 h4 21. Rxf6 hxg3 22. Rff1 gxh2+ {1/2-1/2 (32) Brodda,W (2596) -Acevedo Villalba,A (2515) ICCF email 2015}) 17. c3 Nf6 18. Be3 Be4 19. Bd4 Nxd5 20. Bf3 (20. Bxh5 $16 Nf6 21. Bf3) 20... Bg5 $11 21. Qe2 Bxf3 {[#] Double Attack} 22. Qxf3 { [#] Double Attack} Nf6 23. Qf5 ({Of course not} 23. Qxb7 Rb8 $17) 23... Ng4 { And now ...Be3+ would win.} 24. Qxa5 Re8 25. Qxd8 Bxd8 26. Rfe1 Ne5 27. Nd2 Re6 28. Red1 Kf8 {[%mdl 32]} 29. b4 Nc6 30. Bf2 Ne5 31. a5 Rxc3 32. b5 Ng4 33. Bd4 Rd3 34. Nc4 Rxd4 35. Rxd4 $16 Bf6 {[#]} 36. Rdd1 {Black must now prevent a6.} d5 37. Nb6 Ne3 $2 (37... Bxa1 {is a better chance.} 38. Rxa1 Ne5) 38. Nd7+ $18 Ke7 39. Nxf6 {Weighted Error Value: White=0.06/ Black=0.29} 1-0 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.6"] [White "Firouzja, Alireza"] [Black "Duda, Jan-Krzysztof"] [Result "1-0"] [WhiteElo "2749"] [BlackElo "2743"] [Annotator "TA"] [PlyCount "111"] [EventDate "2021.??.??"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd6 5. Nbd2 O-O 6. Ne5 c5 7. c3 {D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qc7 8. Bd3 b6 { The position is equal. Leaves trodden paths.} 9. h4 $5 {The position is equal. Leaves trodden paths.} Ba6 10. Bxa6 Nxa6 11. h5 Nd7 {[#]} 12. Ndf3 $146 ({ Predecessor:} 12. h6 g6 13. Nxd7 Qxd7 14. Bxd6 Qxd6 15. Qe2 Nb8 16. Rd1 cxd4 17. exd4 Nc6 18. Nf3 {1/2-1/2 (34) Demchenko,A (2655)-So,W (2767) Khanty-Mansiysk 2019}) 12... f6 13. Nd3 cxd4 14. Nxd4 e5 15. Ne6 Qc4 16. Nxf8 Bxf8 17. Bg3 Ndc5 18. Nxc5 Nxc5 19. Rh4 e4 20. Qe2 Nd3+ 21. Kf1 f5 22. Kg1 Rc8 23. Rh1 Kf7 24. Kh2 Be7 25. a3 b5 26. Rad1 Ke6 27. Rxd3 Qxd3 $11 28. Qxd3 exd3 29. Rd1 Bxa3 30. bxa3 {Endgame KRB-KR} Rxc3 {Endgame KRB-KR} 31. Kg1 Rxa3 { Strongly threatening ...b4.} 32. Kf1 b4 {aiming for ...b3.} 33. Ke1 b3 34. Kd2 {Threatens to win with Kc3.} (34. Rxd3 $2 b2 $1 $19) 34... b2 {And now ...Ra1 would win.} (34... a5 $5 35. Rc1 (35. Kxd3 a4 $11) 35... d4 $11) 35. Rb1 Rb3 { ...a5 is the strong threat.} 36. Bc7 d4 $1 37. exd4 {Black must now prevent Ba5.} Kd5 38. f4 g6 39. h6 Kxd4 40. Be5+ Ke4 41. Bxb2 Rb7 42. Re1+ Kxf4 43. Be5+ Kg4 44. Kxd3 {White wants to play Ra1.} g5 45. Bd4 Rd7 46. Re6 Kg3 47. Rf6 Kg4 48. Ra6 {Threatening Kc4. This move loses the game for Black.} f4 $2 { This move loses the game for Black.} (48... Kg3 $11) 49. Ke4 $1 $18 (49. Rxa7 Rxa7 50. Bxa7 Kh5 $11) 49... Re7+ 50. Be5 $1 Rb7 (50... Kg3 {is a better defense.} 51. Ra5 Kxg2 52. Ra2+ Kg3) 51. Bf6 $1 Rb4+ {[#]} 52. Bd4 $1 Kh5 $2 { [#]} (52... Rb7 {was necessary.} 53. Ke5 (53. Bxa7 Rb2 $11) (53. Rxa7 Rxa7 54. Bxa7 Kh5 $11) 53... Rd7) 53. Rd6 $1 Ra4 54. Kf5 Ra2 $2 (54... f3) 55. Bf6 Kxh6 {Weighted Error Value: White=0.05/Black=0.22} 56. Rd1 {Weighted Error Value: White=0.05/Black=0.22} 1-0 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.23"] [Round "7.7"] [White "Wojtaszek, Radoslaw"] [Black "Esipenko, Andrey"] [Result "0-1"] [WhiteElo "2705"] [BlackElo "2677"] [Annotator "TA"] [PlyCount "84"] [EventDate "2021.??.??"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} 7. Be3 {[#]} b5 $146 ({Predecessor:} 7... c5 8. dxc5 Nbd7 9. Bxc4 Bxc5 10. Bxc5 Nxc5 11. Qxd8+ Kxd8 12. Kf2 Ke7 13. Nge2 Nfd7 14. b4 Ne5 15. bxc5 Nxc4 16. Rhb1 b6 17. cxb6 axb6 18. Rb4 Rxa3 19. Rxa3 Nxa3 20. Rxb6 Rd8 { 1/2-1/2 (20) Gyimesi,Z (2586)-Timman,J (2562) Antwerp 2008}) 8. Nxb5 {The position is equal.} Ba6 $1 {The position is equal.} 9. a4 (9. Qa4 {is interesting.} Nfd7 10. Nc3 O-O 11. Rd1 c5 12. d5) 9... c6 10. Na3 Bxa3 (10... O-O $11 {remains equal.}) 11. Rxa3 $16 Nbd7 12. Ne2 (12. Qc2 $16) 12... Rb8 $11 13. Ra2 O-O 14. Nc3 Qa5 15. Be2 Rfd8 16. Qc2 c5 17. O-O cxd4 18. Bxd4 {[%mdl 32]} Nc5 19. Nb5 {[#]} Rxd4 20. Nxd4 Nb3 $1 21. Nb5 Bxb5 22. axb5 Qxa2 23. Bxc4 Na1 24. Qc3 Qa4 25. b3 {[#]} Nxb3 {And now ...Nd2! would win.} 26. Qxb3 (26. Rd1 h5) 26... Qxb3 27. Bxb3 {Endgame KRB-KRN} Rxb5 $15 {Endgame KRB-KRN} 28. Rc1 {White threatens Rc8+ and mate.} g5 29. Rc3 Kg7 30. Kf2 h5 31. Ke3 h4 32. g3 h3 $1 33. Bd1 Rb2 34. Be2 g4 35. fxg4 {[#]} Nxe4 $1 36. Ra3 {[#]} Ng5 ({ Better is} 36... Kf6 $1 37. Kd3 Nc5+ 38. Ke3 a6) 37. Rxa7 $17 Rb3+ {[#] This costs White the game.} 38. Kd4 $2 {[#] This costs White the game.} ({White has to play} 38. Bd3 $1 $15) {Black is clearly winning.} 38... Rb1 $1 $19 {Black is clearly winning.} 39. Ke3 {[#]} Rh1 $1 40. Ra5 Kf6 41. Bf3 Rxh2 42. Ra1 Rb2 {Weighted Error Value: White=0.30/Black=0.07} 0-1