[Event "2025 National K-12 Chess Championship"] [Site "Spokane, WI USA, United State"] [Date "2025.12.14"] [Round "6.19"] [White "Guo, Ethan"] [Black "Kona, Vidip"] [Result "1/2-1/2"] [WhiteElo "2367"] [WhiteTeam "USA"] [BlackElo "2202"] [BlackTeam "USA"] [Annotator "Foisor,Sabina"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "2025 National K-12 Grade Championships, Pt. 2"] [ChapterName "Guo, Ethan - Kona, Vidip"] [ChapterURL "https://lichess.org/study/NnKpzTbl/Bmag2hqm"] [FEN "1k1r1r2/p6p/Pp1n1p2/6pQ/4P3/2q1B1PP/2P2PB1/3R2K1 w - - 0 31"] [SetUp "1"] [Orientation "white"] { Ethan's Exchange sacrifice led to a nice position with the bishop pair and a possibility of an attack, but it is time to get all the pieces coordinated. } 31. Qf3 (31. e5! fxe5 32. Qxh7 Qc7 33. Qg6 $18 { White grabs some pawns in the process before making the way to the long diagonal! }) (31. Bd4 { was the engine's choice, but to me 31. e5 looked more human as it helps take advantage of the weak h1-a8 diagonal! } 31... Qxc2 32. e5) 31... Qc6 32. Qe2 Qc4 33. Qf3 Qc6 34. Qe2 Qc4 35. Rd3 Qxa6 { Now that Black was able to capture the a6-pawn, it gets tougher to find the right continuation. The game progressed and, eventually, Vidip defended well enough to save the game! } 36. e5 fxe5 37. Bxg5 e4 38. Bxd8 Rxd8 39. Bxe4 Re8 40. f3 Qa1+ 41. Kg2 Qe5 42. Kh2 h5 43. h4 Rg8 44. Qf2 Nxe4 45. fxe4 Qxe4 46. Rd4 Qc6 47. Qf4+ Ka8 48. Rc4 Qd5 49. Rd4 Qc6 50. Rc4 Qd5 51. Rd4 Qc6 1/2-1/2