11 e4-e5, 15 d5-d6, 20 ... e7-e5 are all(!) pawn counterattacks Botvinnik vs L Schmid, 1960  (A43) Old Benoni, 30 moves, 1-0 11 - a6!, 13 - g5! attack White knights, equal threat to e4-B Topalov vs Anand, 1999  (B12) Caro-Kann Defense, 43 moves, 0-1 2 games