[Event "DDCL Div Two WQ vs Mer"] [Site "Warley Quinborne"] [Date "2017.09.21"] [Round "?"] [White "Chris Cox"] [Black "Alex Holowzcak"] [Result "0-1"] [ECO "D15"] [EventDate "2017.09.21"] 1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 g6 5.Bg5 Bg7 6.e3 Qb6 $6 ( { Main line is } 6...O-O 7.Bd3 dxc4 8.Bxc4 Bg4 9.h3 Bxf3 10.Qxf3 Nbd7 11.O-O $14 ) 7.Qb3 $2 ( { Better was } 7.Qc2 { avoiding Q swap and double pawns } ) 7...Qxb3 8.axb3 Be6 $2 9.c5 $2 { this blocks the centre. Black will never take dxc as you can undouble your pawn. Better to develop. } ( { For example } 9.Bd3 O-O 10.O-O Nbd7 11.Ra5 $14 ) 9...Bf5 10.b4 $2 { White should develop the King-side here and get castled } ( 10.Be2 Ne4 11.Bf4 Nd7 12.O-O $14 ) 10...Nbd7 11.Be2 e5 $2 12.O-O ( { Looking good was } 12.Nxe5 Nxe5 13.dxe5 Nd7 14.g4 $1 Be6 15.f4 $14 ) 12...Ne4 13.Nxe4 Bxe4 14.Rfd1 O-O 15.Nd2 ( { Undoubling the pawns was best } 15.b5 ) 15...Bc2 16.Rdc1 Bf5 17.Nf3 $2 ( 17.dxe5 Nxe5 18.Ra3 a6 19.Be7 Rfe8 20.Bd6 Ng4 21.Ra2 $13 ) 17...Rfe8 { the losing move } 18.Re1 $4 ( { Ok was } 18.Rd1 $10 ) 18...Bg4 ( { Better was } 18...h6 19.Bh4 exd4 20.exd4 Bg4 $17 ) 19.Rad1 $4 ( { Essential was } 19.dxe5 $10 ) 19...Bxf3 20.Bxf3 exd4 21.b3 dxe3 22.Bxe3 Bc3 23.Re2 Bxb4 24.Rc1 Nxc5 25.Ra2 Nd3 26.Rd1 0-1