Great examples of cutting lines of communication E Corzo vs Capablanca, 1902  (C10) French, 36 moves, 0-1 I don't understand what not 18 ... BxN Capablanca vs C Jaffe, 1910  (D46) Queen's Gambit Declined Semi-Slav, 20 moves, 1-0 why not 27 ... Qe7? Capablanca vs R Illa, 1911  (D00) Queen's Pawn Game, 27 moves, 1-0