[Event "Titled Tuesday intern op 25th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.25"]
[Round "4"]
[White "Kamsky, Gata"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[WhiteElo "2665"]
[BlackElo "2421"]

1. d4 d6 2. Nf3 Nf6 3. Bg5 Nbd7 4. Nbd2 e5 5. c3 Be7 6. dxe5 Nxe5 7. Nxe5 dxe5 8. Nc4
Qxd1+ 9. Rxd1 Nd7 10. h4 h6 11. Bc1 b6 12. e4 Bb7 13. f3 O-O-O 14. b4 Bc6 15. Ne3 Nf8 16.
Nf5 Rxd1+ 17. Kxd1 Bf6 18. Bc4 Ne6 19. h5 Rd8+ 20. Kc2 Ba4+ 21. Kb1 Kb7 22. Be3 a6 23.
Bd5+ c6 24. Bb3 Bxb3 25. axb3 Nc7 26. Kc2 Ne8 27. g3 Nd6 28. Nxd6+ Rxd6 29. f4 Rd7 30. Rf1
Re7 31. Kd3 Rd7+ 32. Kc2 Re7 33. f5 Rd7 34. g4 Be7 35. f6 Bxf6 36. Bxh6 c5 37. bxc5 bxc5
38. Be3 Kc6 39. g5 Bd8 40. h6 gxh6 41. gxh6 f6 42. Rh1 Rh7 43. Kd3 Kb5 44. Rg1 1-0