graphicsDir=http://www.chessvariants.com/membergraphics/MShug-mate/ whitePrefix=w blackPrefix=b graphicsType=png squareSize=53 startShade=#FFC000 promoChoice=QNBR symmetry=none sattelite=paco royal=6 pawn::::a3,b4,c3,c7,d4,g7,h6,d5,,f3,c5,c7,d4,e5,g2,g7 knight:N:::g4,e2,,e2,g4 bishop::::g3,c5,,b2,h6 rook::::e5,e8,,g3,h1 queen::::b2,,b8 king::KisO2::h2,,d7

Paco Ŝako: puzzle ("The Triangle")

White is on move, in the position on the left. What to do?