[Event "lichess.org"] [Site "lichess.org"] [Date "2021.05.14"] [Round "?"] [White "Paul H."] [Black "ajschess"] [Result "1-0"] [ECO "A08"] [WhiteElo "2149"] [BlackElo "2114"] [PlyCount "73"] [EventDate "2021.??.??"] [EventType "blitz"] [SourceVersion "1"] [SourceVersionDate "2013.12.29"] [SourceQuality "1"] {[%evp 0,73,27,10,46,19,19,16,31,6,-9,11,60,9,-3,-9,11,-14,-8,-12,4,-16,-18, -16,-31,-31,-56,-20,-24,-29,0,0,14,24,24,6,31,43,96,-1,-11,-32,-11,-5,73,0,19, 42,93,95,266,295,316,159,176,114,133,133,138,148,180,192,243,271,271,277,427, 371,464,382,395,396,29993,29994,29997,29998]} 1. e4 {A piece sacrifice is one of the most exhilarating moves to make in a chess game. It's a lot of fun watching your opponent squirm when they didn't expect your move. It's quite a different story when you are the one on the receiving end.} c5 {B20 Sicilian Defense} 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d5 6. Nbd2 Nf6 7. O-O O-O 8. Re1 e6 9. c3 a5 10. a3 $6 {Allowing my opponent to play a4, locking down the queenside. Instead, I should have played a4, preventing b5.} (10. a4 b6 11. Nb1 e5 12. exd5 Nxd5 13. Qb3 Nde7 14. Na3 Rb8 15. Nc4 Be6 16. Ng5 Bd5 17. Bxd5 Qxd5 18. Be3 h6 19. Ne4 f5 20. Ned6 Kh7 21. Qc2 f4 22. Bd2 Rbd8 23. Ne4 Qd7 24. Kg2 f3+ 25. Kh1 Qh3 26. Rg1 Rb8 27. g4 Nd5 28. Bg5 Kg8 29. Rg3 Qxg3 30. hxg3 hxg5 31. Nxg5 Rbd8 32. d4 Nde7 33. Nxe5 Bxe5 34. dxe5 Rd5 35. Re1 c4 36. Qe4 Rd2 37. Qxc4+ Kh8 38. Kg1 Rxb2 39. Qe4 Rb3 {Amin,B (2802)-Kazhgaleyev,M (2625) Chess. com INT 2020 1-0}) ({Stockfish likes a similar line starting with.} 10. a4 b6 11. e5 Nd7 12. d4 Ba6 13. Nf1 cxd4 14. cxd4 Nb4 15. Re3 f6 16. exf6 Nxf6 17. Ng5 Ne4 18. Rxe4 dxe4 19. Nxe6 Qd5 20. Nxf8 Rxf8 21. Be3 Bd3 22. Ra3 Qf5 23. Rc3 Nd5 24. Qb3 Rd8 25. Rc1 Kh8 26. Rd1 Nb4 27. Rd2 h6 28. Bf4 Rxd4 29. Ne3 Qc8 30. h4 Qc1+ 31. Rd1 Bc2 32. Rxc1 Bxb3 33. Bc7 Nd3 34. Rc3 Bf7 35. Bxb6 Rxa4 36. Rc8+ Kh7 37. Rc7 Bb3) 10... b6 $6 {Again, a4 was better.} 11. e5 {The thematic move in the KIA. White wants to play e5 and control the center.} Ng4 $6 { The knight is awkward here and has trouble getting back in the game.} (11... Nd7 {makes more sense. The knight controls more of the board and has the flexibility to hop to the queenside as needed.} 12. d4 f6 13. exf6 Qxf6 $14) 12. d4 {The only move to secure the center.} cxd4 13. cxd4 {This was my earlier reasoning for a3. Now, Nb4 is not an option.} f6 14. h3 Nxf2 $5 { This was unexpected but interesting. It makes sense given my King is now on the open f-file and taking on e5 for Black is strong because I am pinned on the recapture.} 15. Kxf2 fxe5 16. dxe5 Nxe5 17. Kg1 (17. Nf1 Nxf3 18. Bxf3 e5 19. Kg1 e4 20. Bg2 Ra7 $14 {With the idea of Ra-f7}) 17... Nd3 18. Re3 Ba6 {[#] } 19. Nf1 $146 {Apparently this had all happened before in an Internet game on Chess.com. The best move was to play Rxe6 but I was concerned about overextending and my lack of piece development.} ({Predecessor:} 19. Rxe6 Qc8 20. Rxb6 Qc5+ 21. Kh2 Qxb6 22. Nf1 Rac8 23. Be3 Qxb2 24. Rb1 Qc2 25. Qxc2 Rxc2 26. Kg1 Rb2 27. Rxb2 Nxb2 28. Nd4 Bxf1 29. Bxf1 Nd1 30. Nc2 Nxe3 {0-1 (30) Pon, M (2185)-Moiseenko,A (2620) Chess.com INT 2020}) 19... Nc5 20. Rb1 a4 21. Bd2 Rc8 22. Bb4 (22. Bc3 $1 {Simplification is the best idea here. Black is down a piece so trading hurts his prospects for any attack.} Bxc3 23. bxc3 Ne4 24. Rb4 Bxf1 25. Qxf1 Nxg3 26. Qe1 Ne4 27. Rxa4 $18) 22... Qc7 23. Ng5 Bh6 24. h4 Rf6 { [%CAl Gf1h2,Gh2g4]} 25. Bc3 Rff8 26. Be5 Qd7 27. Rf3 (27. Nh2 {is important here to have more pieces join in the attack.} d4 28. Qxd4 Qxd4 29. Bxd4 $18) 27... Bg7 28. Rxf8+ Rxf8 29. Qd4 Nb3 30. Qe3 Bxf1 31. Rxf1 Rxf1+ 32. Bxf1 d4 33. Qf4 d3 34. Bxd3 Bxe5 35. Qxe5 Qxd3 $4 36. Qxe6+ Kg7 37. Qf7+ {Black resigns.} 1-0