[Event "Swiss Young Masters 2026"] [White "Lamaze,Simon"] [Black "Mattenberger,Matthias"] [Site "Glarus"] [Round "4.2"] [Annotator "RC"] [Result "1-0"] [Date "2026.04.03"] [WhiteElo "2468"] [BlackElo "2307"] [PlyCount "93"] [TimeControl "60"] 1. Nf3 {[%emt 0:0:18]} Nf6 {[%emt 0:0:18]} 2. c4 {[%emt 0:0:3]} c6 {[%emt 0:0:30]} 3. g3 {[%emt 0:0:6]} d5 {[%emt 0:0:34]} 4. Bg2 {[%emt 0:0:17]} g6 {[%emt 0:0:39]} 5. O-O {[%emt 0:0:5]} Bg7 {[%emt 0:0:9]} 6. d4 {[%emt 0:0:3]} O-O {[%emt 0:0:32]} 7. a4 {[%emt 0:0:4]} a5 {[%emt 0:4:6]} 8. cxd5 {[%emt 0:0:6]} cxd5 {[%emt 0:0:26]} 9. Qb3 {[%emt 0:0:2]} Nc6 {[%emt 0:4:17]} 10. Nc3 {[%emt 0:0:7]} Nb4 {[%emt 0:20:57]} 11. Nb5 {[%emt 0:7:0]} Bf5 {[%emt 0:4:40]} 12. Bd2 {[%emt 0:0:32]} Nc6 {[%emt 0:3:23]} 13. Bf4 {[%emt 0:3:26]} Qb6 {[%emt 0:2:12]} 14. Bc7 {[%emt 0:0:38]} Qa6 {[%emt 0:0:56]} 15. Rfc1 {[%emt 0:5:42]} Rac8 {[%emt 0:4:30]} 16. Bf1 {[%emt 0:4:46]} Ne8 {[%emt 0:21:23]} 17. e3 {[%emt 0:10:21]} Nxc7 {[%emt 0:8:47]} 18. Nxc7 {[%emt 0:0:32]} Qa7 {[%emt 0:0:9]} 19. Nxd5 {[%emt 0:0:44]} Be4 {[%emt 0:0:55]} 20. Bg2 {[%emt 0:3:30]} Rcd8 {[%emt 0:4:2]} 21. Nc3 {[%emt 0:1:39]} Bf5 {[%emt 0:0:18]} 22. Nb5 {[%emt 0:3:33]} Qb6 {[%emt 0:0:22]} 23. Nd2 {[%emt 0:0:27]} Nb4 {[%emt 0:2:14]} 24. Rc7 {[%emt 0:5:18]} Qf6 {[%emt 0:5:41]} 25. Ne4 {[%emt 0:2:31]} Bxe4 {[%emt 0:1:4]} 26. Bxe4 {[%emt 0:0:4]} b6 {[%emt 0:0:29]} 27. Rac1 {[%emt 0:1:3]} e5 {[%emt 0:1:24]} 28. d5 {[%emt 0:0:30]} Qg5 {[%emt 0:1:27]} 29. d6 {[%emt 0:1:57]} Na6 {[%emt 0:0:45]} 30. Bd5 {[%emt 0:0:32]} e4 {[%emt 0:2:47]} 31. Rxf7 {[%emt 0:1:2]} Rxf7 {[%emt 0:0:24]} 32. Bxf7+ {[%emt 0:0:6]} Kh8 {[%emt 0:0:4]} 33. Qd5 {[%emt 0:2:17]} Qf6 {[%emt 0:1:6]} 34. d7 {[%emt 0:1:54]} Nc5 {[%emt 0:0:41]} 35. Rxc5 {[%emt 0:1:29]} bxc5 {[%emt 0:0:5]} 36. b3 {[%emt 0:0:39]} Bf8 {[%emt 0:2:3]} 37. Be6 {[%emt 0:0:40]} Be7 {[%emt 0:1:46]} 38. Qxe4 {[%emt 0:0:12]} Rf8 {[%emt 0:0:10]} 39. f4 {[%emt 0:1:5]} g5 {[%emt 0:1:15]} 40. Bc4 {[%emt 0:5:48]} g4 {[%emt 0:2:4]} 41. Bd3 {[%emt 0:31:4]} Rf7 {[%emt 0:2:31]} 42. Nc7 {[%emt 0:0:0]} Bd8 {[%emt 0:2:45]} 43. Qe8+ {[%emt 0:0:0]} Rf8 {[%emt 0:0:37]} 44. Ne6 {[%emt 0:0:0]} Rg8 {[%emt 0:0:5]} 45. Nxd8 {[%emt 0:0:0]} Qxd8 {[%emt 0:0:12]} 46. Qe5+ {[%emt 0:0:0]} Rg7 {[%emt 0:0:9]} 47. Bc4 {[%emt 0:0:0]} 1-0