[Event "L'attaque du triangle"] [Site "https://lichess.org/study/xOVSnWLR/A1gPaBjF"] [Date "????.??.??"] [Result "*"] [Variant "From Position"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/michel_PR"] [FEN "8/1p2k3/p1p5/8/PP1K4/8/2P5/8 w - - 0 1"] [SetUp "1"] [Source "https://lichess.org/study/xOVSnWLR/A1gPaBjF"] [Orientation "white"] 1. b5! { L'attaque du triangle } 1... axb5 { si les Noirs refusent l'échange, les Blancs plantent un pieu en b6 } *