2b1kb1r/q2ppppp/3p1n2/P1r5/p3P2P/3n1P1R/P2P2P1/RNB4K w k - 2 18
FEN state: 2b1kb1r/q2ppppp/3p1n2/P1r5/p3P2P/3n1P1R/P2P2P1/RNB4K w k - 2 18 ; Best move: b1c3
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black queen at a7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black knight at f6. White pawn at a5 and black rook at c5. Black pawn at a4, white pawn at e4 and white pawn at h4. Black knight at d3, white pawn at f3 and white rook at h3. White pawn at a2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white king at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 18. White to move.