1r1qkbnr/1p3p1p/p2p2p1/2p1p3/PnP3P1/3P3b/1P2PP1P/NRBQKB1R w k - 1 13
FEN state: 1r1qkbnr/1p3p1p/p2p2p1/2p1p3/PnP3P1/3P3b/1P2PP1P/NRBQKB1R w k - 1 13 ; Best move: f1h3
The current state of the chess board is: Black rook at b8, 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 f7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black pawn at g6. Black pawn at c5 and black pawn at e5. White pawn at a4, black knight at b4, white pawn at c4 and white pawn at g4. White pawn at d3 and black bishop at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White knight at a1, white rook at b1, white bishop at c1, white queen at d1, 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 1. Full move number is 13. White to move.