[Event "Computer chess game"] [Site "OMPERICIAS-PC"] [Date "2023.04.13"] [Round "?"] [White "Oswald"] [Black "Fidelity Designer 2100 Display (rev. B)"] [Result "1/2-1/2"] [ECO "E14"] [BlackElo "1900"] [Annotator "Tactical Analysis 6.4"] [PlyCount "108"] [EventDate "2023.??.??"] [TimeControl "3600+10"] {[%evp 9,108,2,52,31,37,37,37,35,46,56,43,45,42,51,78,77,104,59,61,54,51,-14,-2,-50,-28,-63,-40,-83,-56,-57,-54,-60,-67,-60,-46,-51,1,490,-1,-1,1,-44,-87,-61,-87,-118,-78,-79,-40,-147,-115,-118,-97,-128,-137,-154,-94,-193,-112,-213,-173,-121,-86,-75,-82,-44,-39,-48,1,-92,-87,-120,275,203,325,325,334,321,457,314,405,336,373,372,415,432,431,403,452,445,436,2,1,1,1,-1,1,-1,10,-1,-1]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Na6 (5... d5 $11) 6. Be2 {E14: Queen's Indian: Classical Variation (4 e3).} Bb4 7. Bd2 O-O 8. O-O {[#] White is slightly better.} Qe7 $146 ({Predecessor:} 8... Be7 9. a3 c5 10. d5 d6 11. e4 e5 12. Ne1 Nc7 13. f4 Nd7 14. Nd3 Ba6 15. Nf2 exf4 16. Bxf4 {1-0 Dang,B (1521)-Nguyen,T VIE-chT Ho Chi Minh City 2013 (2)}) 9. a3 Bxc3 10. Bxc3 Ne4 11. Be1 f5 12. Nd2 e5 13. d5 (13. Nxe4 $16 {Hoping for Nc3.} fxe4 14. dxe5) 13... Nac5 14. Qc2 a5 {[%CAl Ba7a5,Ba5a4][%mdl 32]} 15. Nf3 (15. Nxe4 $14 Nxe4 16. Bd3) 15... d6 16. Bd2 (16. Nd2 $11) 16... a4 17. Rad1 Nb3 18. Qd3 (18. Bb4 $15) 18... Nexd2 19. Nxd2 e4 20. Qc2 Nc5 21. Nb1 Qe5 22. Qc3 f4 (22... Rae8 $15) 23. Qxe5 $11 (23. exf4 {is more complex.} Qxf4 24. Qe3 Rae8 25. Nc3) 23... dxe5 24. exf4 exf4 25. Nc3 (25. Rd4 $11 {should be considered.}) 25... f3 $15 26. gxf3 exf3 27. Bd3 Rae8 (27... Rf4 $142 28. Rfe1 Nxd3 29. Rxd3 Ba6) 28. Bc2 {[#]} Rf4 (28... Re2 $1 $17 {[%CAl Re2c2]} 29. Rc1 (29. Nxe2 $2 {perishes.} fxe2 30. Rd4 exf1=N $19) 29... Re5) 29. Rde1 ({White should play} 29. Nxa4 $15 Rxc4 30. Nxc5 bxc5 31. Bf5) 29... Rxe1 30. Rxe1 Rxc4 {[%CAl Bf4c4,Bc4c2,Bc2e2][%mdl 32]} 31. Re8+ Kf7 32. Re3 Bxd5 33. Nxd5 Rxc2 34. Rxf3+ $17 {[%mdl 4096] Endgame. KRN-KRN} Ke8 35. Nxc7+ Ke7 36. Rg3 Kf7 (36... g6 $5 {[%CAl Rc2b2]} 37. Nd5+ Kf7 $15) 37. Rf3+ Kg8 38. Nd5 {Threatening mate with Ne7+.} Re2 {Inhibits Ne7+.} (38... Rxb2 $2 {gets mated.} 39. Ne7+ Kh8 40. Rf8#) (38... g6 $15) 39. Re3 (39. Kf1 $11 {keeps the balance.} Re6 40. Rc3) 39... Rxb2 40. Rf3 {White wants to mate with Ne7+.} Nd7 $2 {[%mdl 8192] [#]} (40... h6 $17 {and life is bright. ...b5 is the strong threat.} 41. Rc3 Kf7) 41. Ne7+ $1 $18 Kh8 42. Rd3 Rb3 43. Rxd7 {[%CAl Rd7d8] KRN-KR} g5 (43... h6 $142 44. Rb7 Kh7) 44. Nf5 {[%CAl Rd7d8]} Kg8 45. Rb7 Rxa3 46. Rxb6 Ra1+ 47. Kg2 Kf7 48. Ne3 a3 49. Nc2 Ra2 50. Nb4 ({White should try} 50. Rc6 $18 g4) 50... Rb2 $11 {The position is equal.} 51. Rb7+ Kg6 52. Rb6+ Kf7 53. Rb7+ Kg6 54. Rb6+ Kh5 {A wild game. Weighted Error Value: White=0.35/Black=0.35. Loses game: --- Black=1 Missed win: White=1 --- Mistake: White=7 Black=5 Inaccurate: White=5 Black=4 OK: White=16 Black=13 Best: White=4 Black=4 Strong: White=1 ---} 1/2-1/2