[Event "Chess Week Przeworsk GM 2023"] [White "Stefansson,Hannes"] [Black "Psyk,Radoslaw"] [Site "Przeworsk"] [Round "9.4"] [Annotator "TA"] [Result "0-1"] [Date "2023.06.04"] [WhiteElo "2521"] [BlackElo "2417"] [PlyCount "80"] [TimeControl "60"] {[%evp 12,80,23,14,9,0,0,0,14,23,15,9,16,0,0,-44,-14,-24,0,-24,-13,-41,0,14,0,13,0,-57,-54,-47,-46,-65,-65,-59,-62,-70,-70,-59,-47,-93,-98,-91,-90,-93,-53,-53,-71,-62,-44,-145,-145,-141,-111,-123,-135,-125,-117,-137,-139,-218,-202,-330,-336,-325,-339,-332,-351,-339,-351,-317,-309]} 1. c4 {[%emt 0:0:13]} e6 {[%emt 0:6:44]} 2. Nc3 {[%emt 0:0:16]} d5 {[%emt 0:0:18]} 3. d4 {[%emt 0:0:16]} Nf6 {[%emt 0:0:19]} 4. cxd5 {[%emt 0:0:43]} Nxd5 {[%emt 0:1:47]} 5. e4 {[%emt 0:0:20]} Nxc3 {[%emt 0:0:3]} 6. bxc3 {[%emt 0:0:13]} c5 {[%emt 0:0:3]} 7. Rb1 {[%emt 0:0:42]} Be7 {[%emt 0:0:21] D35: Queen's Gambit Declined: Exchange Variation.} 8. Nf3 {[%emt 0:2:32]} O-O {[%emt 0:1:9]} 9. Bc4 {[%emt 0:0:40] 9.h4 might become the main line.} Qc7 {[%emt 0:2:2] The position is equal.} 10. Qe2 {[%emt 0:1:5]} a6 {[%emt 0:0:44]} 11. O-O {[%emt 0:4:43]} b5 {[%emt 0:0:38]} 12. Bb3 {[%emt 0:2:58] [#]} Nc6 $146 {[%emt 0:4:41][%cal Yb8c6,Yc6a5,Ya5b7][%mdl 32]} ({Predecessor:} 12... Bb7 13. Rd1 Nd7 14. d5 exd5 15. Bxd5 Bxd5 16. exd5 Nb6 17. Ng5 h6 18. Ne4 Rad8 {½-½ Aczel,G (2565)-Horvath,J (2520) Budapest Vajda Memorial 2018 (1)} )13. dxc5 {[%emt 0:13:33]} Na5 {[%emt 0:2:26]} 14. c4 {[%emt 0:5:23]} b4 {[%emt 0:10:19][%mdl 1024] Black has compensation.} 15. Ne1 {[%emt 0:2:32]} Nb7 {[%emt 0:6:55]} 16. Nd3 {[%emt 0:9:24]} a5 {[%emt 0:2:20]} (16... Nxc5 $15 17. Bf4 (17. Nxb4 Bb7 $11 )Qb6 )17. Bf4 $11 {[%emt 0:2:11]} Qc6 {[%emt 0:0:11]} 18. Ne5 {[%emt 0:2:11]} Qxc5 {[%emt 0:10:28]} 19. Ba4 {[%emt 0:1:7]} ({Better is} 19. Rfd1 $11 )Bd6 $1 $15 {[%emt 0:1:55]} 20. Nd3 {[%emt 0:0:24]} Qc7 {[%emt 0:7:24]} (20... Qxc4 $2 21. Rbc1 Qd4 22. e5 $18 )21. Bxd6 {[%emt 0:3:22]} Nxd6 {[%emt 0:0:4]} 22. Nb2 {[%emt 0:9:51]} Ba6 {[%emt 0:1:13][%cal Ra6c4,Yc8a6,Ya6b7,Yb7e4][%mdl 32]} 23. Rbc1 {[%emt 0:0:30]} Rac8 {[%emt 0:2:57][%cal Rd6c4]} 24. Bb3 {[%emt 0:2:35]} Nb7 {[%emt 0:1:29]} 25. Na4 {[%emt 0:5:42]} (25. e5 $15 )Nc5 $17 {[%emt 0:6:28]} 26. Nxc5 {[%emt 0:0:15]} Qxc5 {[%emt 0:0:2]} 27. Rfd1 {[%emt 0:0:13]} Bb7 {[%emt 0:7:0]} 28. Ba4 {[%emt 0:0:22]} Rfd8 {[%emt 0:4:48]} 29. Bd7 {[%emt 0:3:5]} Ra8 {[%emt 0:4:6]} 30. Qe3 {[%emt 0:2:8]} (30. e5 $15 )Qxe3 {[%emt 0:4:6]} 31. fxe3 {[%emt 0:1:21]} Bxe4 {[%emt 0:0:6]} 32. c5 {[%emt 0:0:21]} Kf8 {[%emt 0:1:26] Black is more active.} ({Don't play} 32... Bd5 $6 33. c6 f5 34. g4 $11 )33. c6 {[%emt 0:2:37] aiming for c7.} Ke7 {[%emt 0:1:10]} 34. Rd4 {[%emt 0:0:54]} Bd5 {[%emt 0:1:4]} 35. Rc2 {[%emt 0:2:23] [#]} (35. Rd2 $17 {keeps fighting.} )f5 $1 $19 {[%emt 0:3:41]} 36. Rxd5 {[%emt 0:5:50]} (36. Kf2 {is a better defense.} )exd5 {[%emt 0:0:2]} 37. Bxf5 {[%emt 0:0:10][%cal Yc6c7]} Kd6 {[%emt 0:0:46]} 38. c7 {[%emt 0:2:55] [#]} Rdc8 {[%emt 0:0:1][%mdl 512]} 39. Bxc8 {[%emt 0:0:10]} Rxc8 {[%emt 0:0:2]} 40. Rd2 {[%emt 0:0:0]} Kc5 {[%emt 0:0:0] Weighted Error Value: White=0.20 (precise) /Black=0.07 (flawless)} (40... Rxc7 $2 {is the wrong capture.} 41. e4 $19 )(40... Kxc7 $2 41. Kf1 $17 (41. Rxd5 $2 {perishes.} Kb6 $19 ))0-1