[Event "Grendel v Downend B"] [Site "?"] [Date "2015.01.27"] [Round "4"] [White "Robinson, Will"] [Black "Tipper, David"] [Result "0-1"] [ECO "E90"] [EventDate "2015.01.27"] [PlyCount "62"] [SourceDate "2015.01.28"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O {a standard King Indian where Be2 is normally played} 6.b4 $2 {Here my opponent surprises me with b4, an unusual and extremely rare move and no doubt has not seen many outings due to the fact it weakens the a1-h8 diagonal} 6...Bg4 7.Be2 c5 8.b5 Bxf3 9.Bxf3 cxd4 10.e5 {the complications favour Black and I was prepared to lose the Rook on a8 for what must be adequate compensation} 10...dxc3 $1 11.Bxb7 Nfd7 ( 11...Nbd7 $1 {looks a better move for Black} 12.exf6 ( 12.Bxa8 Qxa8 13.exf6 c2 14.Qxc2 Qxg2 15.Rf1 Bxf6 16.Rb1 ) 12...Bxf6 13.Bxa8 Qxa8 14.O-O c2 15.Qg4 Bxa1 16.Qxd7 Bf6 $17 ) 12.Bxa8 Nxe5 13.O-O Nxc4 {the threat is now c2} ( 13...c2 {to win the exchange back would be a mistake, I did consider it but decided to play on the exchange down - a good decision !} 14. Qxc2 Nf3+ 15.Bxf3 Bxa1 16.Be3 Bg7 17.Bxa7 $16 ) 14.Rb1 ( 14.Qc2 d5 $1 ) 14...Nd7 15.Bd5 Ncb6 16.Be3 Qc7 ( 16...c2 $1 ) 17.Bb3 Rc8 ( 17...d5 {I spent a while considering this move as Bxd5 is not playable due to the threat of c2} 18.Rc1 {and computers give Qe5 or Qd6 as an advantage} ( 18.Bxd5 c2 $19 ) ) 18.Rc1 Nc5 $1 {An important move and necessary to parry the threat of Bd4 which Will decided to play anyway} 19.Bd4 $2 Nxb3 20.axb3 Bxd4 21.Qxd4 Qc5 {Offering Queens seemed the right move to make a statement that Black is not afraid of exchanges} 22.Qd3 d5 $1 23.Rfe1 e6 24.Re3 d4 25.Re4 e5 26.Qh3 Qa3 27.Qh6 Nd7 ( 27...d3 28.Rh4 Qxc1+ 29.Qxc1 $1 d2 {and the back rank ensures a queen back !} ) 28.Ree1 d3 $1 {With White on the back foot there is no stopping the march of the connected pawns} 29.Red1 d2 30.Rc2 Qxb3 31.Qxd2 cxd2 {and white resigns} 0-1