Voir : 12 24 Tous B08n - 6.O-O (not 6...Bg4, 6...c6) (30) B08p - 6...c6 (not 7.a4, 7.h3) (18) B08q - 6.O-O c6 7.h3 (10) B08r - 6...c6 7.a4 (not 7...Nbd7) (13) B08s - 6.O-O c6 7.a4 Nbd7 (11) B08t - 6.O-O Bg4 (18) B08u - 6...Bg4 7.Be3 Nc6 8.Qd2 (not 8...e5) (4) B08v - 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5 (12)
