From QL Game 15: Wei vs Delocto
At move 6 where new game begins! Deloctor out maneuver Weiawaga at move 28 where Bd3 loses the game for white which Delocto took advantage of it.
[pgn][Event "Mini-TCEC Season 2"]
[Site "BASTI-DANGCA"]
[Date "2022.08.14"]
[Round "1"]
[White "Weiawaga dev6_08082022"]
[Black "Delocto 05072022"]
[Result "0-1"]
[ECO "B07"]
[Annotator "Tactical Analysis 6.4 (1s)"]
[PlyCount "92"]
[EventDate "2022.??.??"]
[TimeControl "1800+5"]
{B12: Caro-Kann: Advance Variation} 1. e4 c6 2. d4 d6 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nd7 (5... e5 6. dxe5 dxe5 7. Bc4 Nf6 8. O-O Qc7 9. Nc3 Be7 10. a4 Nbd7 11. Be3 O-O 12. g4 Nc5 13. g5 Ne8 14. h4 g6 15. h5 Ng7 16. hxg6 hxg6 17. Ne2 Nce6 18. Qg4 Bc5 19. Bxc5 Nxc5 20. Ra3 {Vrbljanac,A (2281)-Roska,B (2145) Belgrade 2016 1-0}) 6. Qb3 $146 (6. Bd3 e5 7. Bc4 Ngf6 8. Qb3 d5 9. exd5 cxd5 10. Bxd5 Qa5+ 11. Nc3 Nxd5 12. Qxd5 Qxd5 13. Nxd5 Rc8 14. O-O e4 15. Re1 f5 16. f3 Nf6 17. Nxf6+ gxf6 18. c3 Bd6 19. fxe4 f4 20. Rf1 b5 {Mihajlovic,N (1620)-Schweitzer,P (1880) Seefeld 1993 1-0 (54)}) (6. Bc4 e6 7. O-O d5 8. exd5 cxd5 9. Bb3 Be7 10. Re1 a6 11. Bf4 Ngf6 12. Nd2 O-O 13. c3 Re8 14. Be5 Nb6 15. Qd3 g6 16. Qg3 Nh5 17. Qh2 Bf6 18. Bc7 Qd7 19. Bxb6 Rec8 20. a4 a5 {Scepan,J (1751)-Rehak,M (1426) Skalica 2020 1-0}) (6. Bd2 e6 7. Bd3 Qf6 8. Qg3 h6 9. Bc3 e5 10. d5 Nc5 11. O-O Qf4 12. Qxf4 exf4 13. dxc6 bxc6 14. Re1 Nxd3 15. cxd3 f6 16. Nd2 Ne7 17. d4 d5 18. exd5 cxd5 19. Rac1 Rc8 20. Nb3 Kf7 {Salomon,H (1464)-Harke,H (1949) Bergen 2005 0-1 (48)}) 6... Qc7 7. Be3 e6 8. c4 {White is better.} Be7 9. Be2 e5 10. d5 cxd5 11. cxd5 Ngf6 12. Nc3 O-O 13. O-O Nc5 14. Bxc5 dxc5 15. a4 a6 16. g3 Ne8 17. Rfc1 Nd6 18. Qc2 g6 19. a5 c4 20. b3 Bg5 {...cxb3 would now be deadly.} 21. Rcb1 cxb3 22. Rxb3 f5 23. h4 Bf6 24. Ra2 Rac8 25. Qd2 Bg7 ({Much less strong is} 25... Nxe4 26. Nxe4 fxe4 27. Bg4 $16) (25... fxe4 26. Bg4 $14) 26. Kg2 Qd8 ({Resist} 26... Nxe4 27. Nxe4 fxe4 28. Bg4 $16) 27. Qe3 Rc7 (27... f4 $5 28. Qd3 Rc5 $15) 28. Bd3 {-1.66/15 This move loses the game for White.} (28. Rb6 $15 {-0.43/18}) 28... f4 $19 29. Qe1 {-2.13/16} (29. Qd2 $17 {-1.59/18 keeps fighting.}) 29... f3+ 30. Kg1 {[#]} g5 $1 31. h5 {-3.60/18} (31. Rb6 {-2.51/18 was worth a try.} gxh4 32. Nd1 (32. gxh4 $2 Qxh4 33. Ne2 fxe2 $19)) 31... Qe8 32. Qd1 {-5.47/18} (32. Rb6 {-3.60/19 might work better.} Rf6 33. g4) 32... Qxh5 {White must now prevent ...Rf6.} 33. Be2 g4 34. Rb6 Rf6 {( -> ...Rh6)} 35. Qd2 Rh6 36. Qxh6 Qxh6 37. Bf1 Rxc3 38. Rb1 Nxe4 {-12.26/17} (38... Rc1 $142 {-#11/19} 39. Rxc1 Qxc1 40. Ra4 Qb1 41. Ra2 Qxa2 42. Bd3 Qa1+ 43. Bb1 Qxb1+ 44. Kh2 Nxe4 45. d6 Nxf2 46. d7 Qh1#) 39. d6 Qxd6 {Hoping for ...Nxf2!} 40. Re1 {[#]} Nxf2 $1 {Black mates.} 41. Rxf2 {[#]} e4 $1 42. Bc4+ (42. Kh1 Qxg3) 42... Rxc4 43. Kf1 Qxg3 44. Re3 Rc1+ 45. Re1 Bd4 46. Rxc1 Qxf2# {Weighted Error Value: White=0.60/Black=0.16 (very precise) . Mistake: White=4 --- Inaccurate: White=6 Black=2 OK: White=9 Black=16 Best: --- Black=4 Strong: --- Black=1} 0-1[/pgn]