2rqkbnr/1pp1p1p1/7p/n2p2B1/pPP2p2/3P3N/P2N1PPP/RQ2KB1R w k - 0 15
FEN state: 2rqkbnr/1pp1p1p1/7p/n2p2B1/pPP2p2/3P3N/P2N1PPP/RQ2KB1R w k - 0 15 ; Best move: d3d4
The current state of the chess board is: Black rook 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 c7, black pawn at e7 and black pawn at g7. Black pawn at h6. Black knight at a5, black pawn at d5 and white bishop at g5. Black pawn at a4, white pawn at b4, white pawn at c4 and black pawn at f4. White pawn at d3 and white knight at h3. White pawn at a2, white knight at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at b1, white king at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 15. White to move.