Event: Regional de Penedo (Itatiaia) 2025
Site: idChess.com
Date: 2025-03-15
White: Sergio, Goncalves
Black: Machado, Matheus Rangel Fonseca
Result: 1-0
ECO: A00
Opening: Polish Opening
Variant: Standard
TimeControl: 2700+15

1. b4 { [%eval -0.11] } 1... Nf6 { [%eval -0.15] } 2. Bb2 { [%eval -0.1] } 2... e6 { [%eval -0.12] } 3. a3 { [%eval -0.21] } 3... Be7 { [%eval -0.02] } 4. e3 { [%eval -0.04] } 4... O-O { [%eval 0.0] } 5. c4 { [%eval 0.0] } 5... b6 { [%eval -0.04] } 6. Nc3 { [%eval -0.23] } 6... Bb7 { [%eval -0.04] } 7. Nf3 { [%eval -0.05] } 7... d5 { [%eval 0.02] } 8. d4 { [%eval -0.29] } 8... c6 { [%eval 0.04] } 9. Be2 { [%eval -0.24] } 9... Nbd7 { [%eval 0.0] } 10. O-O { [%eval 0.01] } 10... Ba6 { [%eval 0.46] } 11. b5 { [%eval 0.3] } 11... cxb5?! { [%eval 1.15] } { Inaccuracy. Bb7 was best. } 12. cxb5?! { [%eval 0.25] } { Inaccuracy. cxd5 was best. } 12... Bb7 { [%eval 0.22] } 13. Qb3 { [%eval 0.25] } 13... Bd6 { [%eval 0.32] } 14. a4 { [%eval 0.4] } 14... a5 { [%eval 0.63] } 15. Ba3?! { [%eval 0.02] } { Inaccuracy. bxa6 was best. } 15... Qe7 { [%eval 0.09] } 16. Bxd6 { [%eval 0.09] } 16... Qxd6 { [%eval 0.13] } 17. Rac1 { [%eval 0.05] } 17... Rac8 { [%eval 0.03] } 18. Bd3 { [%eval 0.0] } 18... Rc7 { [%eval 0.08] } 19. Ne2 { [%eval 0.05] } 19... Rfc8 { [%eval 0.0] } 20. Rxc7 { [%eval 0.0] } 20... Rxc7 { [%eval 0.13] } 21. Rc1 { [%eval 0.0] } 21... Rxc1+ { [%eval 0.0] } 22. Nxc1 { [%eval -0.01] } 22... Qc7 { [%eval 0.13] } 23. Qc2 { [%eval 0.05] } 23... Qxc2 { [%eval 0.07] } 24. Bxc2 { [%eval 0.08] } 24... h6 { [%eval 0.09] } 25. h3 { [%eval 0.01] } 25... Ne8 { [%eval 0.07] } 26. Nd3 { [%eval 0.04] } 26... Nd6 { [%eval 0.04] } 27. Nfe5 { [%eval 0.0] } 27... Bc8 { [%eval 0.02] } 28. Nxd7 { [%eval 0.0] } 28... Bxd7 { [%eval 0.0] } 29. Ne5 { [%eval 0.0] } 29... Be8 { [%eval 0.0] } 30. Bd3 { [%eval -0.01] } 30... f6 { [%eval 0.0] } 31. Nf3 { [%eval 0.0] } 31... Kf7 { [%eval 0.0] } 32. Kf1 { [%eval 0.0] } 32... g5 { [%eval 0.0] } 33. Ke2 { [%eval 0.0] } 33... Ke7 { [%eval 0.0] } 34. Kd2 { [%eval 0.0] } 34... Ne4+ { [%eval 0.0] } 35. Bxe4?! { [%eval -0.61] } { Inaccuracy. Ke1 was best. } 35... dxe4 { [%eval -0.09] } 36. Ne1 { [%eval -0.06] } 36... Kd6 { [%eval -0.05] } 37. Kc3 { [%eval -0.13] } 37... e5 { [%eval -0.27] } 38. dxe5+ { [%eval -0.24] } 38... Kxe5 { [%eval -0.37] } 39. Nc2 { [%eval -0.45] } 39... h5 { [%eval -0.55] } 40. Nd4?? { [%eval -2.68] } { Blunder. g3 was best. } 40... Bd7 { [%eval -2.78] } 41. Kc4 { [%eval -2.78] } 41... f5?? { [%eval -0.11] } { Blunder. h4 was best. } 42. g3 { [%eval -0.15] } 42... Be6+ { [%eval 0.0] } 43. Nxe6 { [%eval 0.0] } 43... Kxe6 { [%eval 0.0] } 44. Kd4 { [%eval 0.0] } 44... Kd6 { [%eval 0.0] } 45. g4?? { [%eval -7.04] } { Blunder. h4 was best. } 45... hxg4?? { [%eval 8.51] } { Blunder. h4 was best. } 46. hxg4 { [%eval 6.98] } 46... Ke6?! { [%eval 10.6] } { Inaccuracy. fxg4 was best. } 47. gxf5+ { [%eval 10.13] } 47... Kxf5 { [%eval 9.31] } 48. Kd5 { [%eval 9.03] } 48... g4 { [%eval 71.54] } 49. Kc6 { [%eval 17.93] } 49... g3 { [%eval 10.05] } 50. fxg3 { [%eval 9.96] } 1-0