[Event "44th Chess Olympiad Open 2022"] [White "Hesham,Abdelrahman"] [Black "Phiri,Richmond"] [Site "Chennai"] [Round "4.27"] [Annotator "TA"] [Result "0-1"] [Date "2022.08.01"] [WhiteElo "2386"] [BlackElo "2293"] [PlyCount "68"] [TimeControl "60"] {[%evp 22,68,24,0,10,1,24,20,28,18,14,-6,0,0,-6,-17,-8,-19,-10,-14,-14,-20,-8,-17,0,-21,3,-125,-132,-317,-302,-302,-303,-385,-387,-672,-672,-661,-650,-2027,-1798,-1970,-1944,-1905,-1905,-2315,-2166,-2197,-2045]} 1. d4 {[%emt 0:0:24]} Nf6 {[%emt 0:0:10]} 2. c4 {[%emt 0:0:5]} g6 {[%emt 0:0:8]} 3. Nc3 {[%emt 0:0:39] } d5 {[%emt 0:0:5]} 4. cxd5 {[%emt 0:6:11]} Nxd5 {[%emt 0:0:0]} 5. e4 {[%emt 0:0:2]} Nxc3 {[%emt 0:0:6]} 6. bxc3 {[%emt 0:0:2]} Bg7 {[%emt 0:0:7]} 7. Bc4 {[%emt 0:0:3]} c5 {[%emt 0:0:5]} 8. Ne2 {[%emt 0:0:0]} O-O {[%emt 0:0:5]} 9. O-O {[%emt 0:0:3]} Nc6 {[%emt 0:0:5]} 10. Be3 {[%emt 0:0:3]} Na5 {[%emt 0:0:14] 10...Bg4 is the modern continuation.} 11. Bd3 {[%emt 0:0:7]} b6 {[%emt 0:0:5]} 12. Qd2 {[%emt 0:0:16]} e5 {[%emt 0:0:31] D87: Exchange Grünfeld: Classical Line: Variations without ... cxd4.} 13. Bg5 {[%emt 0:0:18]} f6 {[%emt 0:6:12]} 14. Be3 {[%emt 0:0:12] [#] } Qe7 $146 {[%emt 0:51:20] The position is equal.} ({Predecessor:} 14... f5 15. Bg5 Qd6 16. dxe5 Bxe5 17. f4 Bg7 18. e5 Qd5 19. Rad1 Bb7 20. Ng3 h6 {1-0 (43) Korobov,A (2660)-Kovchan,A (2558) Kiev 2011} )15. dxc5 {[%emt 0:20:41]} bxc5 {[%emt 0:0:6][%cal Yb6c5,Yc5c4,Yc4d3,Yd3d2] } 16. Qb2 {[%emt 0:0:33]} (16. c4 $5 {[%cal Rd2a5]} Nc6 17. Nc3 $14 )c4 {[%emt 0:14:52]} 17. Bc2 {[%emt 0:0:29] } Bg4 {[%emt 0:0:11]} 18. Qb5 {[%emt 0:14:4]} Bxe2 {[%emt 0:0:0]} 19. Rfe1 {[%emt 0:3:36] Strongly threatening Bc5.} Bd3 $1 {[%emt 0:3:50] } 20. Bxd3 {[%emt 0:0:9]} cxd3 {[%emt 0:0:2]} 21. Qxa5 {[%emt 0:0:13]} Rfd8 {[%emt 0:0:13] Inhibits Qd5+.} 22. Rab1 $1 {[%emt 0:0:15]} f5 {[%emt 0:0:0]} 23. Rb5 {[%emt 0:24:26]} Rd7 {[%emt 0:3:9]} 24. f3 {[%emt 0:2:46]} (24. Bd2 $11 {keeps the balance.} )fxe4 $40 {[%emt 0:2:45] White is in trouble.} 25. fxe4 {[%emt 0:0:2] Now White is beyond hope.} (25. Rd5 $17 {might work better.} )d2 $19 {[%emt 0:0:17][%cal Rd2e1]} 26. Rd1 {[%emt 0:0:52] [#]} Qh4 $1 {[%emt 0:0:6] ( -> ...Qe1+)} 27. Bf2 {[%emt 0:0:0] Inhibits Qe1+.} Qxe4 {[%emt 0:0:12] ...Rf8 is the strong threat.} 28. Qa3 {[%emt 0:0:20]} (28. Qa6 Qd3 29. Qe6+ Kh8 30. Rb2 )Qe2 {[%emt 0:4:7] Black is clearly winning.} 29. Rbb1 {[%emt 0:1:38]} Rf7 {[%emt 0:0:33]} 30. Qc5 {[%emt 0:0:48]} Bh6 {[%emt 0:0:28] Prevents Qe3. And now ...Raf8 would win.} 31. Kh1 {[%emt 0:6:9]} Qxf2 {[%emt 0:0:13]} 32. Qc4 {[%emt 0:0:2]} Raf8 {[%emt 0:1:30][%cal Ye5e4] aiming for ...e4!} 33. Rf1 {[%emt 0:0:15] [#] } Qc5 $3 {[%emt 0:1:0]} 34. Qe6 {[%emt 0:1:19]} (34. Qb3 Kg7 )Kg7 {[%emt 0:0:14] Weighted Error Value: White=0.79/Black=0.04 (flawless)} 0-1