1nbk2nr/7p/p1p1pp2/2bp2p1/2P2q2/3PP1P1/P2NQPBP/1rB1K1NR w K - 3 18
FEN state: 1nbk2nr/7p/p1p1pp2/2bp2p1/2P2q2/3PP1P1/P2NQPBP/1rB1K1NR w K - 3 18 ; Best move: d2b1
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at e6 and black pawn at f6. Black bishop at c5, black pawn at d5 and black pawn at g5. White pawn at c4 and black queen at f4. White pawn at d3, white pawn at e3 and white pawn at g3. White pawn at a2, white knight at d2, white queen at e2, white pawn at f2, white bishop at g2 and white pawn at h2. Black rook at b1, white bishop at c1, 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 3. Full move number is 18. White to move.