
[Event "Titled Tue 21st Mar Early"]
[Site "chess.com INT"]
[Date "2023.03.21"]
[Round "5"]
[White "Lorenzo de la Riva, L"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2424"]
[ECO "C41"]
[PlyCount "101"]
1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.a4 c6 7.O-O h6 8.Re1 Qc7 9.h3 Nf8 10.Be3 g5 11.dxe5 dxe5 12.Nxe5 Be6 13.Bxe6 Nxe6 14.Ng4 Rd8 15.Qf3 Nxg4 16.Qxg4 O-O 17.Rad1 Rxd1 18.Rxd1 Rd8 19.Rxd8+ Qxd8 20.h4 Bb4 21.hxg5 hxg5 22.g3 Kg7 23.f4 Bxc3 24.bxc3 Qa5 25.f5 Qxc3 26.Bxg5 Nxg5 27.Qxg5+ Kf8 28.Qd8+ Kg7 29.Qd3 Qe5 30.Kf2 b5 31.axb5 cxb5 32.Kf3 a5 33.g4 a4 34.g5 b4 35.Qd8 a3 36.f6+ Kh7 37.Qf8 Qxg5 38.Qxf7+ Kh6 39.Qf8+ Kh5 40.Qh8+ Qh6 41.Qe8+ Qg6 42.f7 a2 43.f8=Q a1=Q 44.Qf5+ Kh4 45.Qexg6 Qf1+ 46.Ke3 Qe1+ 47.Kd4 Qc3+ 48.Kd5 Qd2+ 49.Ke6 Qd6+ 50.Kxd6 b3 51.Qgg4# 1-0
[Site "chess.com INT"]
[Date "2023.03.21"]
[Round "5"]
[White "Lorenzo de la Riva, L"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2424"]
[ECO "C41"]
[PlyCount "101"]
1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.a4 c6 7.O-O h6 8.Re1 Qc7 9.h3 Nf8 10.Be3 g5 11.dxe5 dxe5 12.Nxe5 Be6 13.Bxe6 Nxe6 14.Ng4 Rd8 15.Qf3 Nxg4 16.Qxg4 O-O 17.Rad1 Rxd1 18.Rxd1 Rd8 19.Rxd8+ Qxd8 20.h4 Bb4 21.hxg5 hxg5 22.g3 Kg7 23.f4 Bxc3 24.bxc3 Qa5 25.f5 Qxc3 26.Bxg5 Nxg5 27.Qxg5+ Kf8 28.Qd8+ Kg7 29.Qd3 Qe5 30.Kf2 b5 31.axb5 cxb5 32.Kf3 a5 33.g4 a4 34.g5 b4 35.Qd8 a3 36.f6+ Kh7 37.Qf8 Qxg5 38.Qxf7+ Kh6 39.Qf8+ Kh5 40.Qh8+ Qh6 41.Qe8+ Qg6 42.f7 a2 43.f8=Q a1=Q 44.Qf5+ Kh4 45.Qexg6 Qf1+ 46.Ke3 Qe1+ 47.Kd4 Qc3+ 48.Kd5 Qd2+ 49.Ke6 Qd6+ 50.Kxd6 b3 51.Qgg4# 1-0
[Event "Titled Tue 21st Mar Early"]
[Site "chess.com INT"]
[Date "2023.03.21"]
[Round "5"]
[White "Lorenzo de la Riva, L"]
[Black "Koellner, Ruben Gideon"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2420"]
[BlackElo "2424"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[EventDate "2023.03.21"]
[WhiteFideId "2268809"]
[BlackFideId "12993093"]
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 c6 7. O-O h6 8.
Re1 Qc7 9. h3 Nf8 10. Be3 g5 11. dxe5 dxe5 12. Nxe5 Be6 13. Bxe6 Nxe6 14.
Ng4 Rd8 15. Qf3 Nxg4 16. Qxg4 O-O 17. Rad1 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Qxd8
20. h4 Bb4 21. hxg5 hxg5 22. g3 Kg7 23. f4 Bxc3 24. bxc3 Qa5 25. f5 Qxc3
26. Bxg5 Nxg5 27. Qxg5+ Kf8 28. Qd8+ Kg7 29. Qd3 Qe5 30. Kf2 b5 31. axb5
cxb5 32. Kf3 a5 33. g4 a4 34. g5 b4 35. Qd8 a3 36. f6+ Kh7 37. Qf8 Qxg5 38.
Qxf7+ Kh6 39. Qf8+ Kh5 40. Qh8+ Qh6 41. Qe8+ Qg6 42. f7 a2 43. f8=Q a1=Q
44. Qf5+ Kh4 45. Qexg6 Qf1+ 46. Ke3 Qe1+ 47. Kd4 Qc3+ 48. Kd5 Qd2+ 49. Ke6
Qd6+ 50. Kxd6 b3 51. Qgg4# 1-0