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Barria,Jose vs Koellner,Aaron Noah

2026.04.05 · game 1

White to move

PGN

[Event "grenke Chess Open 2026"]
[Site "Karlsruhe GER"]
[Date "2026.04.05"]
[Round "6.70"]
[White "Barria,Jose"]
[Black "Koellner,Aaron Noah"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "CM"]
[WhiteElo "2373"]
[BlackElo "2233"]
[ECO "B67"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7"]
[WhiteFideId "1939300"]
[BlackFideId "12993085"]
[EventDate "2026.04.02"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. Kb1 Nxd4 10. Qxd4 Be7 11. f3 Qc7 12. Qd2 b5 13. h4 h6 14. Be3 h5
15. Bg5 b4 16. Ne2 a5 17. c4 bxc3 18. Nxc3 Rb8 19. Ka1 a4 20. a3 Bc6 21. Bc4 Qb7
22. Na2 d5 23. exd5 Bxd5 24. Bxd5 Nxd5 25. Bxe7 Qxe7 26. Rhe1 Qf6 27. Nc3 O-O
28. Nxd5 exd5 29. Qd4 Qg6 30. Re5 Qc2 31. Rd2 Qc1+ 32. Ka2 Rfe8 33. Ree2 Rec8
34. Qxa4 Ra8 35. Qb3 Rcb8 36. Qc2 Qh1 37. Rd4 Rc8 38. Qd1 Qh2 39. Qb3 Rcb8 40.
Qxd5 Qh1 41. Qf5 g6 42. Qd3 Qc1 43. Qc2 Qg1 44. Qd1 Qh2 45. Red2 Qc7 46. g4 hxg4
47. Rxg4 Rb5 48. Rgd4 Raa5 49. Qc2 Qe5 50. Qe4 Qxe4 51. Rxe4 Rf5 52. Rd3 Rac5
53. Kb1 Kg7 54. b4 Rc6 55. a4 Rcf6 56. b5 Rxf3 57. Rxf3 Rxf3 58. Rb4 1-0

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