Bishops can be extremely handy in Kriegspiel openings, since they easily mobile from the start. In this game, White lays traps with both Bishops. He quickly fianchettoes his King's Bishop and then repeatedly tries Ba8 until he strikes gold. This is a common trick. Even more sly is the repositioning of the Queen's Bishop with 6.Bd2 and 7.Ba5. Since Black can correctly guess that this Bishop landind on g5 on move 5, he hardly expects it to reappear on a5! Again, once positioned, White repeatedly tries to capture on d8 until he succeeds. By move 13, Black is down a Queen and the exchange. Be careful whenever you open up a diagonal to one of your major pieces!
A: Mallett-Voorhees REF: Keller 1 g4 Nf6 2 Bg2 h6 3 d3 (Ba8;d3) e5 4 g5 (Ba8;g5;c4) A trick hoping to capture a Knight on f6 4 ... hxg5 5 Bxg5 (Bg5;e3) Be7 (Rh1;Be7) 6 Bd2 (Bd8;Ba8;Bd2) 0-0 7 Ba5 (Ba8;Ba5) d6 8 h4 (Bd8;Ba8;h4) Nh7 9 Nh3 (Bd8;Ba8;Nh3) a6 10 a4 (a4;b3) b5 11 Bxa8 (hxg5;Bd8;fxg3;fxe3;exf3;dxe4;dxc4;axb5;bxa3;bxc3;cxb3) 11 ... Bd7 12 Bf3 (Bd8;fxg3;fxe3;hxg5;dxe4;dxc4;bxc3;cxb3;Bf3;Bb7) When you make a capture, you give away the location of one of your pieces to the opponent. So, it's good to leave the capture square quickly! 12 ... c6 (cxb6;c6) 13 Bxd8 (Bd8;fxg3;fxe3;hxg5;dxe4;dxc4;bxc3;cxb3;c4) 13 ... Bxd8 14 c4 (c4;bxc3) bxc4 15 dxc4 Ng5 16 hxg5 (cxd5;axb5;hxg5;fxg3;fxe3;exd3;bxc3;Na3) 16 ... f6 17 gxf6 (cxd5;axb5;fxg3;fxe3;exd3;bxc3;bxa3;gxf6;Qc1) 17 ... gxf6 18 Nc3 Kh7 19.e4 (e4;Ne4) Kh6 20 Qd2+[ld] Kh7 (Kh5;Kh7) 21 Be2 White has gained knowledge of the vicinity of the enemy's King and has removed his Queen from it's original square. Now he protects his c4 Pawn and his Bishop. If possible protect all your pieces, because you never know when an attack will come. 21 ... Ba5 22 f3 (f3;O-O-O) Kg6 (Bd2;Kh6;Kg6) 23 O-O-O(O-O-O;Kd1;Bd1) 23 ... Bxc3 24 bxc3 Kh7 25 f4 (f4;Nf4) Bc8 26 Bd3 Rh8 (cxb5;fxg5;cxd5;dxc5;Rh8) 27 fxe5 (cxb5;cxb4;cxd5;cxd4;exf5;fxe5;fxg5) 27 ... fxe5 28 Nf2+[f] Accidentally finding the King, while repositioning to the supported f5. 28 ... Kg7 (Kh6;Kg7) 29 Rdg1+[f] (Rdg1;Rdf1;Rde1) 29 ... Kf6 (Kh6;Kg6;Kg8;Bh3;Kf6) 30 Ng4+[N] Kg6 (Kg5;Kg6) 31 Nh6+[f] Kh7 32 Nf5#[f] 1-0
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