Look at the 4th rank after 26. e4 B Alterman vs Deep Fritz, 2000  (A03) Bird's Opening, 87 moves, 1-0 Look at the e-file after 25. fxe3. Van Wely vs Radjabov, 2007  (E97) King's Indian, 40 moves, 0-1 See PGN:view for an explanation F de la Paz Perdomo vs Macieja, 2005  (B00) Uncommon King's Pawn Opening, 1 moves, 1-0 3 games