Event: Ronda 4 - Puelo: Mavrich, Demian - Uzcudun, Alfonso
Site: https://lichess.org/broadcast/4-torneo-abierto-irt-lago-puelo-del-6-al-9-de-nov/ronda-4/x5VSCkgu/LXltAt8g
Date: 2025-11-08
White: Mavrich, Demian
WhiteElo: 2212
Black: Uzcudun, Alfonso
BlackElo: 2012
Result: 1/2-1/2
ECO: A01
Opening: Nimzo-Larsen Attack: Symmetrical Variation
Variant: Standard
TimeControl: 90+30

1. b3 { [%eval 0.0] } 1... b6 { [%eval 0.21] } 2. Bb2 { [%eval 0.11] } 2... Bb7 { [%eval 0.14] } 3. Nf3 { [%eval 0.11] } 3... e6? { [%eval 0.12] } 4. g3 { [%eval 0.16] } 4... f5 { [%eval 0.48] } 5. Bg2 { [%eval 0.46] } 5... Nf6 { [%eval 0.46] } 6. O-O { [%eval 0.47] } 6... Be7 { [%eval 0.44] } 7. d3 { [%eval 0.4] } 7... O-O { [%eval 0.39] } 8. Nbd2 { [%eval 0.44] } 8... c5 { [%eval 0.48] } 9. Re1 { [%eval 0.24] } 9... d5?! { [%eval 1.23] } { Inaccuracy. Nc6 was best. } 10. Ne5? { [%eval 0.01] } { Mistake. e4 was best. } 10... Nfd7 { [%eval 0.07] } 11. e4 { [%eval -0.13] } 11... fxe4?! { [%eval 0.43] } { Inaccuracy. Nxe5 was best. } 12. Nxd7?! { [%eval -0.16] } { Inaccuracy. Qg4 was best. } 12... Nxd7 { [%eval -0.06] } 13. dxe4 { [%eval -0.14] } 13... d4 { [%eval -0.17] } 14. e5 { [%eval -0.43] } 14... Bxg2 { [%eval -0.48] } 15. Kxg2 { [%eval -0.64] } 15... Qc7 { [%eval -0.22] } 16. f4 { [%eval -0.31] } 16... Rfd8 { [%eval 0.15] } 17. Qf3 { [%eval -0.22] [%cal Gb6b5,Gd7b6] } 17... Nf8?! { [%eval 0.67] } { Inaccuracy. b5 was best. } 18. h4 { [%eval 0.49] } 18... b5 { [%eval 0.35] } 19. Qe4 { [%eval 0.35] } 19... Rac8 { [%eval 0.37] } 20. Nf3 { [%eval 0.47] } 20... Rd5 { [%eval 0.9] } 21. a4 { [%eval 1.06] } 21... a6 { [%eval 1.36] } 22. axb5 { [%eval 1.42] } 22... axb5 { [%eval 1.46] } 23. Ra6 { [%eval 1.45] } 23... Qb7 { [%eval 1.63] } 24. Rea1 { [%eval 1.44] } 24... Rd7 { [%eval 1.38] } 25. Qxb7 { [%eval 1.44] } 25... Rxb7 { [%eval 1.31] } 26. Ra7 { [%eval 1.24] } 26... Rcc7 { [%eval 1.26] } 27. Rxb7 { [%eval 1.39] } 27... Rxb7 { [%eval 1.27] } 28. Ra6 { [%eval 0.92] } 28... Rd7 { [%eval 1.16] } 29. Nd2 { [%eval 1.27] } 29... Kf7 { [%eval 1.13] } 30. Ba3 { [%eval 0.67] } 30... Rc7 { [%eval 1.15] } 31. Kf3 { [%eval 1.06] } 31... Nd7 { [%eval 1.5] } 32. h5 { [%eval 1.6] } 32... g6 { [%eval 1.6] } 33. hxg6+?! { [%eval 0.96] } { Inaccuracy. h6 was best. } 33... hxg6 { [%eval 0.77] } 34. Ke4 { [%eval 0.44] } 34... Rc8 { [%eval 0.97] } 35. g4?! { [%eval 0.01] } { Inaccuracy. Ra7 was best. } 35... Rh8 { [%eval 0.11] } 36. Nf3 { [%eval 0.0] } 36... b4 { [%eval 0.0] } 37. Bb2 { [%eval 0.0] } 37... Rh3 { [%eval 0.0] } 38. Ra7 { [%eval 0.0] } 38... Ke8 { [%eval 0.0] } 39. Ra8+ { [%eval 0.0] } 39... Kf7 { [%eval 0.0] } 40. Ra7 { [%eval 0.0] } 40... Ke8 { [%eval 0.0] } 1/2-1/2