1. gxf7#

1. g2f3 e7e6 2. f3e4 e6f5 3. e2e3 f5g4 ... 4 turns

1. 4/2,e2i2,g2i2,endturn 1/5,g1h1,a2e1,endturn 2. 2/2,l1j1,l1j1,j1h1,j1h1,endturn 6/6,endturn 3. 5/1,a1e2,e2f2,endturn 5/5,s@h2,h2c2,c2c1,a2e1,endturn ... 16 turns

1. 5/2,l2j2,k2f2,endturn 6/6,j1d1,k1e1,l1f1,d1c2,endturn 2. 2/3,f2c2,c2a2,endturn 2/2,s@k1,k1i1,i1g1,g1e1,endturn 3. 5/2,a2b1,b1g1,endturn 1/2,f1e1,e1c1,endturn ... 10 turns

1. 21-17 10-14 2. 17x10 7x14 3. 22-18 6-10 ... 25 turns

1. e3d4 e8b5 2. f1c4 b8e5 3. f3f4 d8d5 ... 4 turns

1. e4 Na6 2. Bxa6 bxa6 3. d3 Nh6 ... 5 turns

1. Kh3 Ka3 2. Kg4 Rb5 3. Nxc1 Ka4 ... 11 turns

1. Kf1,Kg2 d5 2. c4,cxd5 Qxd5+ 3. e4,exd5

1. e3 d5 2. Bb5+ c6 3. Bd3 Bf5 ... 9 turns

1. f4 d5 2. d4 e6 3. e3 Bb4+ ... 4 turns

1. h3e3 h8h5 2. e3e7 h5e5 3. e4e5 b8b6 ... 5 turns