1n1qkbnr/4p1p1/rp1pPp1p/pP2P2P/1P3P2/2P5/4B1P1/1RBQK1NR w K - 1 18
FEN state: 1n1qkbnr/4p1p1/rp1pPp1p/pP2P2P/1P3P2/2P5/4B1P1/1RBQK1NR w K - 1 18 ; Best move: b5a6
The current state of the chess board is: Black knight 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 e7 and black pawn at g7. Black rook at a6, black pawn at b6, black pawn at d6, white pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at a5, white pawn at b5, white pawn at e5 and white pawn at h5. White pawn at b4 and white pawn at f4. White pawn at c3. White bishop at e2 and white pawn at g2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 18. White to move.