[Event "FIDE World Championship 2021"] [Site "Dubai"] [Date "2021.11.30"] [Round "4.1"] [White "Carlsen, Magnus"] [Black "Nepomniachtchi, Ian"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2855"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "65"] [EventDate "2021.??.??"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Re1 Bf5 10. Qb3 Qd7 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 11. Nc3 Nxc3 12. Bxf5 Qxf5 {White is slightly better.} 13. bxc3 { [#] c5 is the strong threat.} b6 {The position is equal.} 14. cxd5 {14.cxd5 was played by the boomers.} cxd5 15. Qb5 Qd7 16. a4 Qxb5 17. axb5 a5 {[#]} 18. Nh4 $146 {[#] aiming for Nf5.} ({Predecessor:} 18. bxa6 Nxa6 19. Ba3 Bxa3 20. Rxa3 b5 21. Rea1 Nc7 22. Ne5 Rxa3 23. Rxa3 Ra8 24. Rxa8+ Nxa8 {1/2-1/2 (37) Chazalette,J (2371)-Gagliardi,V (2188) ICCF email 2018}) 18... g6 19. g4 Nd7 20. Ng2 $1 Rfc8 21. Bf4 Bxf4 22. Nxf4 {Threatens to win with Re7.} Rxc3 23. Nxd5 Rd3 24. Re7 Nf8 25. Nf6+ Kg7 26. Ne8+ Kg8 27. d5 a4 28. Nf6+ Kg7 29. g5 { And now Rc1 would win.} a3 30. Ne8+ Kg8 31. Nf6+ Kg7 32. Ne8+ Kg8 33. Nf6+ { Weighted Error Value: White=0.04/Black=0.01} 1/2-1/2