B18: Classical Caro-Kann: 4...Bf5 sidelines
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.Bc4 Qc7 8.0-0 e6 9.c3 Ngf6 10.Bg5!?N a new move in this line, this seems to be logical since this move exerts some influence over the e5 square
10...0-0-0 11.a4 Bd6 12.b4 h6 13.Be3 Nb6 14.Qb3 Nfd5 15.b5?! [15.Be2 Nxe3 16.fxe3 Bxg3 17.hxg3 Qxg3 18.b5© ]
15...Bxg3 [15...Nxc4 16.Qxc4 cxb5 17.Qxb5 h5-/+ (‹17...Nxc3? 18.Qb2+/- ) ]
16.hxg3= Nxc4 17.Qxc4 Nxe3 18.fxe3 cxb5 19.Qxb5 [19.Qb4! Bd3 (‹19...Qxg3? 20.axb5 Qd6 21.Qxd6 Rxd6 22.Rxa7+- ) 20.Rf2 a5 21.Qb2+/= ]
19...Qxg3!? rather risky [19...f6 20.a5=/+ ]
20.Ra2 [20.Qc5+ Kb8 21.Qe5+ Qxe5 22.Nxe5 Rhf8+/= ]
20...h5 [20...Rd5! 21.Qc4+ Kb8=/+ ]
21.Rb2 Be4 22.c4 [22.Qc5+ Kb8 23.Qe5+ Qxe5 24.Nxe5+/= ]
22...Rd7 [>=22...f6= ]
23.Ne5? [>=23.Qc5+ Kb8 24.Qe5+ Qxe5 25.Nxe5+/- wins a pawn]
23...Qxe3+-+ 24.Kh1 [>=24.Rff2 Rc7 25.Qa5-+ ]
24...Rc7? [>=24...Rxd4 25.Nf3 Bc6-+ ]
25.Nxf7= Rg8? [>=25...Rxf7 26.Rxf7 Qe1+ 27.Kh2 Qh4+ 28.Kg1 Qe1+ 29.Rf1 Qe3+ 30.Rff2 Qxd4= ]
26.Nd6++- Kb8 27.d5? [>=27.Qe5 Qd3 28.Rfb1 Qxb1+ 29.Rxb1 Bxb1 30.Nb5+- ]
27...a6 [27...Bd3 28.Rd1= ]
28.Qxa6= Qc3?? the final mistake, but Black missed his chance to save the game [>=28...Bxg2+! leads to a repetition 29.Kxg2 Qg5+ 30.Kh1 Qh4+ 31.Kg1 Qg3+ 32.Kh1 Qh4+ 33.Kg2 Qg5+ 34.Kh3 Qe3+ 35.Kg2 Qg5+= ; 28...Qh3+? 29.Kg1 Qxg2+ 30.Rxg2 bxa6 31.Nxe4 and White is a piece ahead]
29.Rxb7+ [29.Rxb7+ Rxb7 30.Qxb7# ; 29.Nxe4?! is easily refuted 29...Qxb2 30.Qxe6 Rd8= ] 1-0