on

1. e4 e5 2. Nc3 Nc6 3. Qg4 Nf6 ... 21 turns

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 ... 13 turns

1. f4 Nc6 2. e3 e5 3. fxe5 Nxe5 ... 54 turns

1. e4 e6 2. Nf3 Bb4 3. c3 Bc5 ... 54 turns

1. c4 e5 2. Nc3 Bc5 3. e3 d6 ... 44 turns

1. 5/2,k2f2,l2j2,endturn 2/3,l1i1,j1h1,endturn 2. 5/5,j2e2,e2a1,a1f1,f1k1,endturn 6/1,s@l1,i1c1,endturn 3. 2/6,f2a1,a1c1,endturn 6/1,s@g1,h1g1,endturn ... 21 turns

1. 3/5,l2g2,k2h2,endturn 4/1,l1h1,j1i1,endturn 2. 6/5,h2b2,g2b2,endturn 5/5,k1f1,f1a1,a1e2,e2j2,endturn 3. 1/1,s@l2,b2a2,b2a2,l2k2,endturn 3/5,i1d1,d1a1,endturn ... 21 turns

1. 4/6,l2f2,k2g2,endturn 4/2,l1h1,k1i1,endturn 2. 6/1,j2d2,g2f2,endturn 5/5,i1d1,d1b2,b2g2,j1e1,endturn 3. 6/2,d2c1,c1e1,endturn 5/6,s@g1,g2l2,endturn ... 14 turns

1. 2/4,l1h1,k1i1,endturn 6/1,l2f2,j2i2,endturn 2. 6/6,h1b1,b1e2,e2k2,j1d1,endturn 6/2,s@k2,k2e2,endturn 3. 4/5,s@i1,d1b2,endturn 1/5,i2d2,e2d2,endturn ... 13 turns

1. 1/5,l1g1,j1i1,endturn 2/4,l2h2,k2i2,endturn 2. 4/4,k1g1,g1c1,g1c1,i1e1,endturn 1/5,j2e2,i2h2,endturn 3. 5/1,e1a2,a2b2,endturn 2/6,h2b2,h2f2,endturn ... 11 turns

1. 5/6,l2f2,j2e2,endturn 6/2,l1f1,k1i1,endturn 2. 6/4,k2e2,f2b2,endturn 6/2,j1d1,f1d1,endturn 3. 3/5,b2b1,b1g1,endturn 5/5,i1d1,d1b2,d1b2,d1b2,endturn ... 9 turns

1. 3/4,j1f1,k1h1,endturn 6/6,l2f2,k2e2,j2d2,f2a1,endturn 2. 2/5,f1a1,h1f1,endturn 6/5,s@g2,e2a1,endturn 3. 3/3,s@j1,l1i1,i1f1,f1c1,endturn 6/2,d2c1,a1c1,endturn ... 14 turns