[Event "USCF/WS/23VP02 (USA)"] [Site "ICCF"] [Date "2023.02.09"] [White "Renfroe, Charles"] [Black "Chaubal, Nina"] [Result "0-1"] [Annotator "Irons,Robert"] [Variant "Standard"] [ECO "C42"] [Opening "Petrov's Defense: Cozio Attack"] [StudyName "Check is in the Mail: January 2024"] [ChapterName "Renfroe, Charles - Chaubal, Nina"] [Source "https://lichess.org/study/COTjwBdh/MmcZrpOt"] [Orientation "white"] 1. e4 e5 2. Nf3 Nf6 { The Petroff is a solid, active defense, and was the favorite of US Champion Frank Marshall. } 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 { This move dates back to Lasker – Pillsbury, St. Petersburg 1895! } 5... Qe7 6. d3 Nf6 7. Be3 Nd5 8. Ng5?! (8. Bg5 { looks better. }) 8... Nxe3 9. Qxe3 Qxe3+ 10. fxe3 Be7 11. h4 h6 12. Nf3 Nd7 13. Nc3 Nf6 14. O-O-O O-O 15. h5? { Gives up a pawn. Better is } (15. Be2) 15... Bg4 16. Be2 Bxh5 17. Nd4? (17. e4 { ,followed by Rde1 and Nf3-d2, looks better. After this positive choices are hard to come by. }) 17... Bxe2 18. Ncxe2 Ng4 19. Nf5 Bg5 20. Rh3 Nf2 21. Rg3 Nxd1 22. Kxd1 Rad8 23. e4 Rfe8 24. Ng1 d5 25. Nf3 dxe4 26. Nxg5 hxg5 27. Rxg5 exd3 28. cxd3 Rxd3+ 29. Kc2 Red8 30. Rxg7+ Kf8 31. Rg3 Rd2+ 32. Kc3 R2d5 33. Nh6 Rc5+ 34. Kb4 Rdd5 35. Rg4 a5+ 36. Ka4 Rd2 37. Kb3 Rdc2 38. a4 c6 39. Rg8+ Ke7 40. Rg7 b5 41. Nf5+ Kf6 42. Nd4 R2c4 43. Rg4 bxa4+ 44. Ka3 Rb4 45. Rf4+ Ke5 46. g3 Rc1 47. Nf3+ Kd5 48. Rxb4?? (48. Ka2) 48... axb4+? (48... Ra1#!) 49. Kxb4 Rc2 50. Kxa4 Rxb2 51. g4 Kc4 52. Ne5+ Kc3 53. Nxc6 Rb1 54. Ne5 Rb7 55. g5 Rb4+ 56. Ka5 Rf4 57. g6? (57. Nc6) 57... Rf5 58. gxf7 Rxe5+ 59. Kb6 Rf5 { 0-1 Black wins. } 0-1