Anderssen's Opening Interference in Chess

Anderssen's Opening Interference is a tactical motif where one move blocks, deflects, or “gets in the way” of an opponent’s intended line—often during the sharp development typical of Anderssen’s Opening. A defining feature is that after the early central and kingside thrusts, a key piece’s path (commonly along diagonals or toward the center) is obstructed at the critical moment. The result is that the opponent’s threat or recapture no longer works as planned, enabling a forcing continuation.