r1bqk2r/n1pp2pp/3n4/pp2ppb1/5PPP/1P1PP3/P1PB3N/R1Q1KBNR b KQkq - 0 13
FEN state: r1bqk2r/n1pp2pp/3n4/pp2ppb1/5PPP/1P1PP3/P1PB3N/R1Q1KBNR b KQkq - 0 13 ; Best move: g5h4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black knight at a7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black knight at d6. Black pawn at a5, black pawn at b5, black pawn at e5, black pawn at f5 and black bishop at g5. White pawn at f4, white pawn at g4 and white pawn at h4. White pawn at b3, white pawn at d3 and white pawn at e3. White pawn at a2, white pawn at c2, white bishop at d2 and white knight at h2. White rook at a1, white queen at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.