[Event "2025 National K-12 Grade Championship"] [Site "lichess.org"] [Date "2025.12.12"] [Round "1.9"] [White "Willy, Stephen"] [Black "Ologunleko, David"] [Result "1-0"] [WhiteElo "2313"] [BlackElo "1612"] [Annotator "Foisor,Sabina"] [Variant "Standard"] [ECO "D32"] [Opening "Tarrasch Defense: Symmetrical Variation"] [StudyName "2025 National K-12 Grade Championships"] [ChapterName "(10th) Willy, Stephen - Ologunleko, David"] [ChapterURL "https://lichess.org/study/eJCWlgC8/UCgmmcyt"] [Orientation "white"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 { Stephen chose a more rare approach to the Tarrasch, I would have probably chosen the following } (5. cxd5 exd5 (5... cxd4 6. Qxd4 exd5 7. Bg5) 6. g3 { with the classical plan of fianchettoing, castling kingside, and playing Bc1-g5 to focus on pressuring Black's soon-resulting IQP. }) 5... Nc6 6. a3!? { A waiting move to see if Black will choose to capture anything in the center. } 6... Na5? { This wasn't natural and Stephen found a nice way to punish it. } (6... dxc4 7. Bxc4 a6) (6... a6 { either would have been normal responses leading to a balanced position. }) 7. cxd5! { It is time to make a decision in the center and capitalize on a badly placed a5-knight. } 7... Nxd5 8. e4 (8. Bd2!? Nc6 9. dxc5 Bxc5 10. Qc2 Be7 11. e4 Nb6 12. Be2 $14) 8... Nxc3 9. bxc3 Qb6 10. Bf4 Be7 11. Rb1 Qd8 12. Bb5+ Bd7 13. Bxd7+ Qxd7 14. Ne5 Qd8 15. Qa4+ Kf8 16. O-O f6 17. Nd7+ Kf7 18. Nxc5 (18. d5! { A possible slight improvement to the attack, but the move played in the game was enough to maintain the advantage. }) 18... b6 19. Nb3 Nb7 20. Rbd1 Nd6 21. e5 Ne4 22. Rd3 f5 23. f3 b5 24. Qxb5 Rb8 25. Qa4 Rxb3 26. fxe4 Rxa3 27. Qd1 g6 28. d5 exd5 29. exf5 Bg5 30. fxg6+ Kg7 31. Bxg5 Qxg5 32. Rg3 Qxg3 33. Rf7+ Kxg6 34. Rf6+ Kg7 35. hxg3 Re8 36. Qg4+ Kh8 37. Rf7 Rg8 38. Qh4 Rg7 39. Rf8+ { 1-0 White wins. } 1-0