Same remisy w czwartej rundzie Tata Steel 2021

Mimo samych remisów ciekawie było dziś w Holandii. Również w partiach Polaków, tak Radka jak i Janka były szanse na coś więcej niż remis.

Przebieg obu partii:

[Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.6"] [White "Donchenko, Alexander"] [Black "Wojtaszek, Radoslaw"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2668"] [BlackElo "2705"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.01.16"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Koya+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,99,15,4,20,23,31,22,30,29,35,29,29,14,20,5,32,17,40,12,22,20,14,22,9, 8,51,26,27,0,4,0,18,0,0,0,0,0,0,2,2,0,9,9,9,9,81,81,88,0,52,0,0,0,0,0,0,0,0,0, 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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 8. g3 Be7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Ra7 12. Be3 Rb7 {[#]} 13. g4 $146 ({Predecessor:} 13. a3 Qc7 14. Qd2 Nd7 15. Nc3 Nf6 16. Bg5 Be6 17. f4 Ng8 18. h4 f6 19. f5 fxg5 20. fxe6 { 1/2-1/2 (41) Alekseenko,K (2668)-Sarana,A (2655) Izhevsk 2019}) 13... h4 14. f4 Nd7 15. f5 Nb6 16. Qc6+ Qd7 17. Qxd7+ Bxd7 18. b3 g5 19. O-O-O f6 20. Bd2 Bc6 21. Bb4 Rd7 22. Nc3 Kf7 23. Rd2 Ra8 {[#] Hoping for ...a5.} 24. Rhd1 a5 25. Bxd6 b4 26. Bxe7 Rxd2 27. Rxd2 Kxe7 28. Nd1 Rd8 (28... Nc8 $11 {remains equal.} ) 29. Rxd8 $16 Kxd8 {[%mdl 4096] Endgame [#] KBN-KBN} 30. Nf2 (30. Ne3 $1 $16) 30... Ke7 ({Better is} 30... Nc8 $11) 31. Kb2 (31. c3 $14) 31... Kd6 $11 { The position is equal.} 32. a3 bxa3+ 33. Kxa3 Kc5 34. c3 $1 Bb5 35. Nd1 Be2 36. Ne3 Bd3 37. Kb2 a4 $1 38. Ka3 axb3 39. Kxb3 Nc4 40. Nxc4 Bxc4+ {KB-KB} 41. Kc2 Kb5 42. Kd2 $1 Ka4 43. Bf3 Kb3 {White must now prevent ...Bf1.} (43... Bf1 $5) 44. Bd1+ Kb2 {Threatening ...Bf1.} (44... Ka3 $5) 45. Bc2 Ka3 {Threatens to win with ...Bf1.} (45... Bf1 46. Bd3 $18) 46. Bd3 Ba2 47. Bb5 Bb1 48. Bd3 Ba2 49. Bb5 Bb1 50. Bd3 {Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.3"] [White "Duda, Jan-Krzysztof"] [Black "Giri, Anish"] [Result "1/2-1/2"] [ECO "D87"] [WhiteElo "2743"] [BlackElo "2764"] [Annotator "TA"] [PlyCount "77"] [EventDate "2021.01.16"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Koya+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,77,22,13,27,24,8,15,7,46,22,22,8,8,10,14,8,5,0,1,0,4,13,10,12,16,13, 11,0,36,29,33,32,25,20,43,27,31,21,21,22,23,23,26,21,46,42,50,47,46,21,21,8,13, 18,41,21,30,21,21,21]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 b6 {is now debated instead of 10...Qc7.} 11. dxc5 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Qc7 12. Nd4 {Black must now prevent Nxc6.} Ne5 {[#]} 13. Nb5 $1 Qb8 14. Be2 bxc5 15. Bxc5 a6 16. Na3 Qc7 17. Bd4 Rd8 18. Qc1 Ng4 19. Bxg4 Bxg4 20. Qe3 {[#]} Rac8 $146 ({Predecessor:} 20... Rab8 21. Bxg7 Kxg7 22. Nc2 Rbc8 23. Qg5 Be2 24. Rfe1 h6 25. Qc1 Bd3 26. Nb4 Qxc3 27. Qxc3+ Rxc3 28. Nxd3 Rcxd3 {1/2-1/2 (66) Bacrot,E (2714)-Vachier Lagrave,M (2719) Biel 2013}) 21. e5 Qc6 22. Nc2 Bf5 23. Nb4 Qe4 24. Qxe4 Bxe4 25. Rfe1 Bb7 26. Rab1 e6 27. Nd3 Bd5 28. Nc5 Bf8 29. Nxa6 Bxa2 30. Rb6 Bc4 31. h3 (31. Nb4 {with more complications. } h5 32. Ra1 Rb8 33. Rxb8 Rxb8 34. Nc6) 31... Bxa6 32. Rxa6 Bc5 33. Ra4 Bxd4 34. cxd4 $14 {KRR-KRR} Rc2 35. g3 Rd2 36. Re4 Rd7 37. Kg2 Kg7 38. h4 h6 39. Kf3 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2