[Event "Computer chess game"] [Site "OMPERICIAS-PC"] [Date "2021.02.13"] [Round "?"] [White "Mephisto Amsterdam"] [Black "Mephisto Amsterdam"] [Result "1/2-1/2"] [ECO "A33"] [BlackElo "2400"] [Annotator "Tactical Analysis 4.0 (5s)"] [PlyCount "55"] [EventDate "2021.??.??"] {[%evp 20,55,6,-61,-11,-4,7,6,174,166,210,185,163,72,64,44,102,62,48,40,228,27, 55,0,62,17,21,13,19,0,0,0,11,1,15,12,28,14]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nc6 6. Ndb5 d5 7. Bf4 e5 8. cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. O-O-O+ (11. Nd4 $11) 11... Bd7 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} (11... Ke7 $5 {[%CAl Rc6b5]} 12. Nd4 Bd7 $11) 12. Nd6 Bxd6 (12... Ke7 {seems wilder.} 13. g3 g6 14. gxf4 Nd5 15. Nde4 Bf5) 13. Rxd6 {[#]} c5 $146 {[#]} (13... Kc7 $11 14. Rd4 g5) ({Predecessor:} 13... Ng4 14. Nd1 Kc7 15. Rd4 g5 16. g3 fxg3 17. hxg3 h5 18. Bg2 Rae8 19. Ra4 Kb6 20. Rb4+ Kc7 21. Ra4 Kb6 22. Rb4+ Kc7 23. Ra4 {1/2-1/2 (23) Svidler,P (2740) -Vitiugov,N (2729) Nizhnij Novgorod 2013}) 14. g3 $18 fxg3 15. hxg3 Kc7 16. Rd2 (16. Ra6 $18 {and White stays clearly on top.}) 16... Bc6 $16 17. f3 Rhd8 ({ Black should try} 17... Rad8 $14) 18. Rxd8 Rxd8 19. e4 Rd4 $2 {[#]} ({Black should play} 19... h6 $14) 20. b3 $2 (20. e5 $1 $18 {[%CAl Re5f6]} Nd7 21. Rxh7 ) 20... h6 $11 21. a3 Ne8 (21... Nd7 $11) 22. Be2 f6 23. Rh5 Kb6 24. Kc2 Nd6 25. g4 Be8 26. Nd5+ Kb7 27. Rh2 Bf7 28. Ne3 {Weighted Error Value: White=0.48/ Black=0.57} 1/2-1/2