
[Event "33rd Heart of Finland Op"]
[Site "Jyvaskyla FIN"]
[Date "2025.07.19"]
[Round "8.17"]
[White "Mustonen, Niko"]
[Black "Koykka, P"]
[Result "0-1"]
[WhiteElo "1971"]
[BlackElo "2359"]
[ECO "D10"]
[PlyCount "70"]
1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Bf4 Nc6 5.e3 e6 6.Nc3 a6 7.Bd3 Nf6 8.Nf3 Bd6 9.Bxd6 Qxd6 10.O-O O-O 11.Na4 e5 12.dxe5 Nxe5 13.Nxe5 Qxe5 14.Nb6 Bg4 15.Be2 Bxe2 16.Qxe2 Rad8 17.h3 d4 18.Nc4 Qe6 19.b3 b5 20.Na5 Qb6 21.b4 Rfe8 22.Rac1 dxe3 23.Rc6 Qa7 24.fxe3 Ne4 25.Rf3 Rd2 26.Qe1 Qd7 27.Kh2 Rxa2 28.Rxa6 Qc7+ 29.Kg1 Qc2 30.Qf1 Nd2 31.Rf2 Nxf1 32.Rxc2 Rxc2 33.Kxf1 g6 34.Rb6 Rd8 35.Kg1 Rdd2 0-1
[Site "Jyvaskyla FIN"]
[Date "2025.07.19"]
[Round "8.17"]
[White "Mustonen, Niko"]
[Black "Koykka, P"]
[Result "0-1"]
[WhiteElo "1971"]
[BlackElo "2359"]
[ECO "D10"]
[PlyCount "70"]
1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Bf4 Nc6 5.e3 e6 6.Nc3 a6 7.Bd3 Nf6 8.Nf3 Bd6 9.Bxd6 Qxd6 10.O-O O-O 11.Na4 e5 12.dxe5 Nxe5 13.Nxe5 Qxe5 14.Nb6 Bg4 15.Be2 Bxe2 16.Qxe2 Rad8 17.h3 d4 18.Nc4 Qe6 19.b3 b5 20.Na5 Qb6 21.b4 Rfe8 22.Rac1 dxe3 23.Rc6 Qa7 24.fxe3 Ne4 25.Rf3 Rd2 26.Qe1 Qd7 27.Kh2 Rxa2 28.Rxa6 Qc7+ 29.Kg1 Qc2 30.Qf1 Nd2 31.Rf2 Nxf1 32.Rxc2 Rxc2 33.Kxf1 g6 34.Rb6 Rd8 35.Kg1 Rdd2 0-1
[Event "33rd Heart of Finland Op"]
[Site "Jyvaskyla FIN"]
[Date "2025.07.19"]
[Round "8.17"]
[White "Mustonen, Niko"]
[Black "Koykka, P"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "1971"]
[BlackElo "2359"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[Variation "exchange variation"]
[EventDate "2025.07.14"]
[WhiteFideId "518638"]
[BlackFideId "504319"]
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 e6 6. Nc3 a6 7. Bd3 Nf6 8.
Nf3 Bd6 9. Bxd6 Qxd6 10. O-O O-O 11. Na4 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14.
Nb6 Bg4 15. Be2 Bxe2 16. Qxe2 Rad8 17. h3 d4 18. Nc4 Qe6 19. b3 b5 20. Na5
Qb6 21. b4 Rfe8 22. Rac1 dxe3 23. Rc6 Qa7 24. fxe3 Ne4 25. Rf3 Rd2 26. Qe1
Qd7 27. Kh2 Rxa2 28. Rxa6 Qc7+ 29. Kg1 Qc2 30. Qf1 Nd2 31. Rf2 Nxf1 32.
Rxc2 Rxc2 33. Kxf1 g6 34. Rb6 Rd8 35. Kg1 Rdd2 0-1