r4knr/2p2ppp/1p6/1p2pb2/2P5/2P5/P3P1PP/R1Q1KBNR w KQ - 0 15
FEN state: r4knr/2p2ppp/1p6/1p2pb2/2P5/2P5/P3P1PP/R1Q1KBNR w KQ - 0 15 ; Best move: g2g4
The current state of the chess board is: Black rook at a8, black king at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6. Black pawn at b5, black pawn at e5 and black bishop at f5. White pawn at c4. White pawn at c3. White pawn at a2, white pawn at e2, white pawn at g2 and white pawn 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 and white queenside castles are available. Half move number is 0. Full move number is 15. White to move.