Benoni Defense Czech Benoni Defense Under Promotion in Chess

In the Benoni Defense Czech Benoni Defense Under Promotion, White’s pawn breaks and piece play in the Czech Benoni structure can create a moment where a pawn reaches the 8th rank but promoting to a queen is not best. Instead, the winning move is an underpromotion (usually to a knight) that gives a precise check or avoids stalemate/over-coverage. The defining feature is the Benoni pawn tension with active pieces, where promotion timing and tactical geometry decide the outcome.