Event: IRT Clasico Kallpa Open 2025
Site: idChess.com
Date: 2025-06-28
White: Valcarcel Sierra, Gustavo
WhiteElo: 1641
Black: Villamil Alarcon, Hector Orlando
BlackElo: 1886
Result: 0-1
ECO: D79
Opening: Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation
Variant: Standard
TimeControl: 5400+30

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. cxd5 cxd5 8. Nc3 Nc6 9. Bf4 Nh5 10. Rc1 Nxf4 11. gxf4 a6 12. Qb3 Nxd4 13. Nxd4 Bxd4 14. e3 Bxc3 15. Rxc3 e6 16. a4 Bd7 17. Rfc1 Bc6 18. Qb4 Rc8 19. a5 Qh4 20. Qd4 Rfe8 21. b4 Rcd8 22. Rxc6 bxc6 23. Rxc6 Rc8 24. Qc5 Qd8 25. Bf1 Qd7 26. Rxc8 Rxc8 27. Qb6 Rc1 28. Qxa6 Qa4 29. b5 Qc4 30. Qa8+ Kg7 31. Kg2 Qxf1+ 32. Kf3 Qh1+ 33. Kg3 Qd1 34. Kg2 Qa4 35. Qa6 Qa1 36. b6 Qa3 37. Qe2 Kg8 38. Qf1 Qa4 39. Kg1 Kg7 40. b7 Rb1 41. a6 Rb4 42. b8=Q Rb1 43. a7 0-1