
[Event "60th World Juniors 2023"]
[Site "Mexico City MEX"]
[Date "2023.09.22"]
[Round "2.16"]
[White "Melian, Juan Sebastian"]
[Black "Koellner, Ruben Gideon"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2485"]
[ECO "C24"]
[PlyCount "98"]
1.e4 e5 2.Bc4 Nf6 3.d3 c6 4.Nf3 d5 5.Bb3 a5 6.a4 Bb4+ 7.c3 Bd6 8.exd5 cxd5 9.Bg5 Be6 10.Na3 Nc6 11.Nb5 Bb8 12.O-O h6 13.Bh4 O-O 14.Qd2 Qe7 15.Rfe1 Rd8 16.h3 Ra6 17.Re2 Rb6 18.Rae1 Re8 19.Ba2 Kh8 20.Bb1 Qf8 21.Bg3 Nd7 22.d4 e4 23.Bxb8 Rxb8 24.Nh2 f5 25.c4 Bg8 26.c5 Ra6 27.f3 b6 28.cxb6 Raxb6 29.b3 Qb4 30.Qd1 Nf6 31.Nf1 Rxb5 32.axb5 Nxd4 33.Rb2 Nxb5 34.Ne3 Qc5 35.Kh1 d4 36.Nf1 Nc3 37.Qc2 Qb4 38.Ng3 Bh7 39.fxe4 fxe4 40.Qc1 Nxb1 41.Rxb1 e3 42.Ra1 Re8 43.Nf1 e2 44.Nd2 d3 45.Ra4 Qb6 46.Qc3 Qf2 47.Nf3 Be4 48.Rxe4 Nxe4 49.Qxd3 Qxe1+ 0-1
[Site "Mexico City MEX"]
[Date "2023.09.22"]
[Round "2.16"]
[White "Melian, Juan Sebastian"]
[Black "Koellner, Ruben Gideon"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2485"]
[ECO "C24"]
[PlyCount "98"]
1.e4 e5 2.Bc4 Nf6 3.d3 c6 4.Nf3 d5 5.Bb3 a5 6.a4 Bb4+ 7.c3 Bd6 8.exd5 cxd5 9.Bg5 Be6 10.Na3 Nc6 11.Nb5 Bb8 12.O-O h6 13.Bh4 O-O 14.Qd2 Qe7 15.Rfe1 Rd8 16.h3 Ra6 17.Re2 Rb6 18.Rae1 Re8 19.Ba2 Kh8 20.Bb1 Qf8 21.Bg3 Nd7 22.d4 e4 23.Bxb8 Rxb8 24.Nh2 f5 25.c4 Bg8 26.c5 Ra6 27.f3 b6 28.cxb6 Raxb6 29.b3 Qb4 30.Qd1 Nf6 31.Nf1 Rxb5 32.axb5 Nxd4 33.Rb2 Nxb5 34.Ne3 Qc5 35.Kh1 d4 36.Nf1 Nc3 37.Qc2 Qb4 38.Ng3 Bh7 39.fxe4 fxe4 40.Qc1 Nxb1 41.Rxb1 e3 42.Ra1 Re8 43.Nf1 e2 44.Nd2 d3 45.Ra4 Qb6 46.Qc3 Qf2 47.Nf3 Be4 48.Rxe4 Nxe4 49.Qxd3 Qxe1+ 0-1
[Event "60th World Juniors 2023"]
[Site "Mexico City MEX"]
[Date "2023.09.22"]
[Round "2.16"]
[White "Melian, Juan Sebastian"]
[Black "Koellner, Ruben Gideon"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2295"]
[BlackElo "2485"]
[ECO "C24"]
[Opening "Bishop's opening"]
[Variation "Berlin defence"]
[EventDate "2023.09.21"]
[WhiteFideId "3706575"]
[BlackFideId "12993093"]
1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a4 Bb4+ 7. c3 Bd6 8.
exd5 cxd5 9. Bg5 Be6 10. Na3 Nc6 11. Nb5 Bb8 12. O-O h6 13. Bh4 O-O 14. Qd2
Qe7 15. Rfe1 Rd8 16. h3 Ra6 17. Re2 Rb6 18. Rae1 Re8 19. Ba2 Kh8 20. Bb1
Qf8 21. Bg3 Nd7 22. d4 e4 23. Bxb8 Rxb8 24. Nh2 f5 25. c4 Bg8 26. c5 Ra6
27. f3 b6 28. cxb6 Raxb6 29. b3 Qb4 30. Qd1 Nf6 31. Nf1 Rxb5 32. axb5 Nxd4
33. Rb2 Nxb5 34. Ne3 Qc5 35. Kh1 d4 36. Nf1 Nc3 37. Qc2 Qb4 38. Ng3 Bh7 39.
fxe4 fxe4 40. Qc1 Nxb1 41. Rxb1 e3 42. Ra1 Re8 43. Nf1 e2 44. Nd2 d3 45.
Ra4 Qb6 46. Qc3 Qf2 47. Nf3 Be4 48. Rxe4 Nxe4 49. Qxd3 Qxe1+ 0-1