[Event "L' ouverture de colonne"] [Site "https://lichess.org/study/xOVSnWLR/4zAIqm5G"] [Date "????.??.??"] [Result "*"] [Variant "From Position"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/michel_PR"] [FEN "4k3/p1p2r1p/1p4p1/n2p4/P2P1P1P/2PB2P1/6K1/R7 w - - 0 1"] [SetUp "1"] [Source "https://lichess.org/study/xOVSnWLR/4zAIqm5G"] [Orientation "white"] 1. h5! Rf6 2. hxg6! { L'ouverture de la colonne permet à la Tour blanche de pénétrer le camp noir } *