1rbqkbnr/1p1p1pp1/6B1/2p1p1np/1pP2PQ1/4P2N/P2PK1PP/RNB1R3 w k - 0 13
FEN state: 1rbqkbnr/1p1p1pp1/6B1/2p1p1np/1pP2PQ1/4P2N/P2PK1PP/RNB1R3 w k - 0 13 ; Best move: g4g5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at g7. White bishop at g6. Black pawn at c5, black pawn at e5, black knight at g5 and black pawn at h5. Black pawn at b4, white pawn at c4, white pawn at f4 and white queen at g4. White pawn at e3 and white knight at h3. White pawn at a2, white pawn at d2, white king at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at e1. Black kingside is the only castle move available. Half move number is 0. Full move number is 13. White to move.