Friday, July 29, 2016

Gruenfeld Defence Confused Knight

Gruenfeld Defence has long been a favorite of mine. Typically White answers 1.d4 Nf6 2.c4 g6 3.Nc3 d5 with moves that open lines for attack. Most frequently played are 4.cxd5 Nxd5 5.e4 or 4.Nf3 Bg7 5.Qb3 which leads to 5...dxc4 6.Qxc4 0-0 7.e4. White aims for sharp play. Black must find accurate tactical counter play to survive.

Hank Ross found another approach in our 1981 APCT postal game. He developed quickly after 4.Nf3 Bg7 5.e3 0-0 6.Bd3 c5 7.0-0. All of White’s moves were good. The problem was that they did not directly threaten to attack Black. Since White did not go after d5, then I decided that Black can go after d4.

I executed a clear central strategy with my confused queenside knight. Look at this: 8…Nc6, 10…Nxd4, 11…Nc6, 14…Nd4. All those moves led to White regaining his pawn with 15.Rxe7. Tactical play followed that allowed White a missed chance to save the game. Black won with a discovered check combination.

Ross (1709) - Sawyer (2100), corr APCT 1981 begins 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.Bd3 [6.cxd5 Nxd5=] 6...c5 7.0-0 cxd4 8.exd4 Nc6 9.Qe2?! [9.h3=] 9...dxc4 [9...Bg4! 10.Be3 dxc4 11.Bxc4 Nxd4 12.Bxd4 Bxf3=/+] 10.Bxc4 Nxd4 11.Qd1? [11.Nxd4 Qxd4 12.Rd1=] 11...Nc6 12.Qxd8 Rxd8 13.Re1 Bf5 14.Bf4 Nd4? [Now White can regain equality. Black should activate his second rook and remain a pawn up. 14...Rac8-/+ ] 15.Rxe7 Nxf3+ 16.gxf3 Rd4 17.Bxf7+ Kf8 18.Rae1 Rxf4 19.Nd5? [White can save the position with 19.Bb3! Rb4 20.Rf7+ Kg8 21.Rxb7+ Rxb3 22.Rxb3=] 19...Nxd5 20.Bxd5 Bh3 21.Bxb7 Rb8 22.Bd5 [Or 22.Bc6 Rf5-+] 22...Rf5 23.Bc4 Rg5+ 24.Kh1 Bg2+ 25.Kg1 Bxf3+ 26.Kf1 Bg2+ 27.Kg1 Bd5+ 28.Kf1 Bxc4+ 0-1

You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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