[Event "84th Tata Steel Masters 2022"] [White "Dubov,Daniil"] [Black "Duda,Jan-Krzysztof"] [Site "Wijk aan Zee"] [Round "8.7"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2022.01.23"] [WhiteElo "2720"] [BlackElo "2760"] [PlyCount "94"] 1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Nc3 Nxd4 {E04: Open Catalan: 5 Nf3.} 11. Qxd4 Bc5 12. Qf4 Bc6 13. Bxc6+ Rxc6 14. Rd1 Qc8 15. Be3 O-O {[#]} 16. Bd4 $146 ({Predecessor:} 16. Rd3 a6 17. Rad1 Be7 18. Bd4 b5 19. Be5 Rc4 20. Qf3 Qc6 21. Qxc6 Rxc6 22. f3 {0-1 (56) Kachar,V (2373)-Kanko,I (2265) Naumburg 2002} )Bxd4 17. Rxd4 Re8 { [#] Hoping for ...e5.} 18. Rd6 Rxd6 19. Qxd6 Rd8 20. Qf4 h6 21. Rc1 Qc6 { To avoid Ne4} 22. Qe3 a6 23. f3 Nd5 24. Nxd5 Qxd5 $11 { Endgame KQR-KQR} 25. b3 Qd2 26. Qxd2 Rxd2 {KR-KR} 27. Rc8+ Kh7 28. Kf2 ({White should play} 28. a4 $11 )b5 $1 $15 ({Don't play} 28... Rxa2 29. Rc7 $11 )29. a4 bxa4 30. bxa4 Rd4 $1 31. h4 Kg6 (31... a5 $17 32. Ra8 Rxa4 )32. Rc5 ({Better is } 32. a5 $15 )Rxa4 $17 33. h5+ Kf6 34. f4 a5 35. Kf3 Ra1 36. g4 a4 (36... Ra3+ $17 37. e3 g5 38. hxg6 Kxg6 )37. g5+ $11 {The position is equal.} Ke7 { Threatens to win with ...a3.} 38. Rc7+ Ke8 39. g6 fxg6 40. hxg6 a3 {[#] aiming for ...a2.} 41. Kf2 a2 (41... Rd1 $5 42. Ra7 Rd7 43. Rxa3 Ke7 $11 )42. Ra7 Kd8 43. Kg2 $1 Ke8 44. Kf2 h5 {} 45. Kg2 $1 h4 46. e4 h3+ 47. Kh2 Re1 {Weighted Error Value: White=0.08 (flawless) /Black=0.05 (flawless)} 1/2-1/2