1. e4 e5 2. Nf3

1. e4 Nc6 2. Bc4

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 ... 21 turns

1. e4 e5 2. Nc3

1. e4 e5 2. Nf3

1. 2/5,k1f1,l1j1,endturn 3/4,l2h2,k2h2,endturn 2. 1/6,f1a2,a2b2,endturn 5/3,j2e2,e2b2,endturn 3. 4/2,s@i1,i1g1,endturn 3/1,b2b1,b1c1,endturn ... 15 turns

1. 1/3,j1g1,l1k1,endturn 1/2,k2i2,l2k2,endturn 2. 2/2,k1i1,g1e1,k1i1,e1c1,endturn 3/6,j2d2,i2f2,endturn 3. 5/6,c1d2,d2i2,endturn 2/5,s@h2,k2i2,endturn ... 18 turns

1. 2/1,k2i2,j2i2,endturn 4/5,k1g1,l1g1,endturn 2. 1/4,l2h2,h2g2,endturn 6/6,j1d1,g1a1,d1c2,g1a1,endturn 3. 4/2,g2c2,c2a2,endturn 4/6,s@i1,i1c1,endturn ... 24 turns

1. 4/5,k2f2,j2f2,endturn 2/2,l1j1,k1i1,j1h1,j1h1,endturn 2. 3/5,l2g2,g2d2,endturn 2/3,i1f1,f1d1,endturn 3. 1/5,d2b1,b1c1,endturn 2/4,h1d1,h1f1,endturn ... 8 turns

1. 5/3,j1g1,l1g1,endturn 5/2,k2f2,l2j2,endturn 2. 2/5,k1f1,f1d1,endturn 6/5,f2a1,a1f1,endturn 3. 5/5,g1b1,d1b2,b2g2,g1b1,endturn 4/4,j2f2,f2b2,j2f2,f2b2,endturn ... 9 turns

1. 3/2,l1i1,k1i1,endturn 5/5,j2e2,l2g2,g2b2,k2f2,endturn 2. 1/6,j1d1,d1c1,endturn 6/2,b2e1,f2d2,endturn 3. 1/1,c1b1,i1h1,b1a1,i1h1,endturn 2/2,e1g1,d2b2,b2a1,e2c2,endturn ... 18 turns

1. 3/5,l2g2,j2g2,endturn 1/1,l1k1,k1j1,k1j1,j1i1,endturn 2. 6/1,k2e2,e2d2,endturn 4/5,i1d1,d1a2,endturn 3. 4/6,g2a2,g2c2,endturn 4/3,s@i1,i1f1,endturn ... 8 turns