Interference (chess) Interference (chess) In the game of chess, interference occurs when the line between an attacked piece and its defender is interrupted by sacrificially interposing a piece. It is a chess tactic which seldom arises, and is therefore often overlooked. Opportunities for interference are rare because the defended object must be more valuable than the sacrificed piece, and the interposition must itself represent a threat. In the position at left, White to play will apparently be obliged to retreat the knight from f5, because the squares to which it could advance are all guarded. However, the interference move 1.Nd6+ interrupts the
Virtual Chess 64 Virtual Chess 64 Virtual Chess 64 is a chess simulation game for the Nintendo 64. It was released in 1998. The game features no true "completion" in the form of a goal or a score, so one could theoretically play an endless number of matches. When a piece is captured, a short animated cutscene plays back depicting the battle, as in 1988's "Battle Chess". "Virtual Chess 64" came with a basic text and visual tutorial written for beginners and novices about how to play chess. In the third section the tutorial continues explaining how to play using simple chess positions