The Mach III holds its own, while the Amsterdam bides its time and then pounces on a inaccurate move made by the Mach III (29..b6).
[Event "CB-Emu"]
[Site "?"]
[Date "2025.12.25"]
[Round "?"]
[White "Mephisto Amsterdam Phoenix SE"]
[Black "Fidelity Designer Mach III"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2000"]
[BlackElo "1980"]
[Annotator "Clive"]
[PlyCount "103"]
{[%evp 9,102,-9,2,-16,23,23,18,13,28,26,52,36,120,34,37,0,0,5,7,3,6,-9,-5,-12,14,-25,-27,-54,-56,-94,-10,-12,13,-8,6,12,6,9,12,-4,-7,-12,37,18,10,-10,55,38,51,34,224,194,272,281,251,255,338,317,447,446,444,439,471,472,459,463,584,581,574,560,535,534,594,514,801,797,971,957,938,924,29988,29989,29989,29990,29993,29993,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. Nf3 d5 2. e3 {Mach III out of book.} Nf6 {Amsterdam out of book.} 3. Nc3 Bg4 4. h3 Bf5 5. Be2 Nc6 6. O-O d4 7. exd4 Nxd4 8. d3 {The position is equal.} Nxe2+ 9. Qxe2 {Strongly threatening Qe5.} c6 10. Bd2 Qb6 11. Qe5 e6 12. Na4 Qb5 (12... Qd8 {is more complex.} 13. Nc5 b6 14. Ne4 Be7) 13. Qxb5 cxb5 14. Nc3 a6 15. Nh4 Bg6 16. Bg5 Bh5 17. Bxf6 gxf6 18. Rfe1 O-O-O 19. a4 bxa4 20. Rxa4 Bd6 21. Kf1 f5 22. g4 $36 {[%mdl 2048] White has the initiative.} fxg4 23. hxg4 Bg6 24. Rc4+ Kb8 25. Ra4 e5 26. Ra5 Rc8 27. g5 h5 28. Re2 Bc7 29. Rc5 (29. Rd5 {feels hotter.} Bh7 30. Rd7 Bd8 31. Rxe5 f6 32. Rxd8 fxe5 33. Rd6) 29... b6 $2 {[#]} (29... Rce8 $14) 30. Nxg6 $18 bxc5 31. Nxh8 Rxh8 {[%mdl 4096] Endgame KRB-KRN} 32. Ne4 Rg8 33. Re3 ({Weaker is} 33. Nxc5 Kc8 $16) 33... Rd8 34. Nxc5 Bd6 35. Ne4 Bb4 36. Rf3 Rd7 37. Rf5 Re7 38. c3 Ba5 39. Nd6 Bc7 40. Nxf7 Re6 41. Nh8 Rb6 (41... e4 $142 42. dxe4 Be5) 42. g6 Ka7 43. g7 Rb8 44. Rf8 Rxb2 45. g8=Q {White mates.} Rb1+ 46. Kg2 Kb7 47. Qc4 a5 48. Rf7 Kb6 49. Rxc7 {[%csl Gc7][%cal Rc4c6]} Rg1+ 50. Kxg1 {[%csl Gc7][%cal Rc4c6]} a4 51. Qc6+ Ka5 52. Ra7# {Weighted Error Value: White=0.15 (very precise) /Black=0.57} 1-0