26 - Nf6-e4, 28 - Nc6-e5 gives Magnus -two- centralized knights Kramnik vs Carlsen, 2008  (A30) English, Symmetrical, 57 moves, 0-1 30 ... c5xBd4 Black's army is massed on the central d-,e-files I Cheparinov vs Aronian, 2008  (D12) Queen's Gambit Declined Slav, 41 moves, 0-1 24 ... Ne8-d6 Keres centralizes all four of his Black pieces Tal vs Keres, 1959  (D34) Queen's Gambit Declined, Tarrasch, 79 moves, 0-1