rnb2kr1/pN1qbp1p/3pp1p1/5n2/P2P4/2P1B1P1/1P2PP1P/1RQ1KBNR b K - 0 12
FEN state: rnb2kr1/pN1qbp1p/3pp1p1/5n2/P2P4/2P1B1P1/1P2PP1P/1RQ1KBNR b K - 0 12 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at f8 and black rook at g8. Black pawn at a7, white knight at b7, black queen at d7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at d6, black pawn at e6 and black pawn at g6. Black knight at f5. White pawn at a4 and white pawn at d4. White pawn at c3, white bishop at e3 and white pawn at g3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white queen at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.