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Definition of Semi-closed game
1. Noun. A chess game in which the queen's pawn advances two spaces in the first ply move, but not in the second ply move. ¹
¹ Source: wiktionary.com
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1. Noun. A chess game in which the queen's pawn advances two spaces in the first ply move, but not in the second ply move. ¹
¹ Source: wiktionary.com