1rb1qb2/pp1pn1pr/5k1p/2p5/PR3pP1/1P1P1P2/2P2P1P/1NB1KB1R w K - 0 16
FEN state: 1rb1qb2/pp1pn1pr/5k1p/2p5/PR3pP1/1P1P1P2/2P2P1P/1NB1KB1R w K - 0 16 ; Best move: b4f4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at d7, black knight at e7, black pawn at g7 and black rook at h7. Black king at f6 and black pawn at h6. Black pawn at c5. White pawn at a4, white rook at b4, black pawn at f4 and white pawn at g4. White pawn at b3, white pawn at d3 and white pawn at f3. White pawn at c2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.