The el-Mitra Exchange was a "classic attack" in the game of three-dimensional chess, used to counter the Kriskov Gambit.
During a game of chess between Data and Deanna Troi, Troi employed the Kriskov Gambit, however, Data informed her that her attempt would be unsuccessful, if he countered with the el-Mitra Exchange, because he had already taken both of her rooks, which ultimately left her king vulnerable. (TNG: "Conundrum")
Chess |
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Types: Jokarian chess • Three-dimensional chess • Vulcan chess |
Equipment: Chess board • Chess pieces (King • Queen • Rook • Bishop • Knight • Pawn) |
Terminology: Check • Checkmate • Chess master • Chess tournament • Stalemate |
Strategy: Aldabren Exchange • el-Mitra Exchange • Kriskov Gambit • Queen's Gambit |
Related: Chess problem |