rkb2br1/3pn1p1/2p5/1Np1pPpq/p1P2P2/R3P2N/P2P3P/2B1KB1R w K - 2 18
FEN state: rkb2br1/3pn1p1/2p5/1Np1pPpq/p1P2P2/R3P2N/P2P3P/2B1KB1R w K - 2 18 ; Best move: b5c3
The current state of the chess board is: Black rook at a8, black king at b8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at d7, black knight at e7 and black pawn at g7. Black pawn at c6. White knight at b5, black pawn at c5, black pawn at e5, white pawn at f5, black pawn at g5 and black queen at h5. Black pawn at a4, white pawn at c4 and white pawn at f4. White rook at a3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at d2 and white pawn at h2. 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 2. Full move number is 18. White to move.