r1bq1bnr/p2k4/2n4p/PPp1pp2/1P2p1PP/6P1/1BQP4/RN2KBNR b K - 1 16
FEN state: r1bq1bnr/p2k4/2n4p/PPp1pp2/1P2p1PP/6P1/1BQP4/RN2KBNR b K - 1 16 ; Best move: c6b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black king at d7. Black knight at c6 and black pawn at h6. White pawn at a5, white pawn at b5, black pawn at c5, black pawn at e5 and black pawn at f5. White pawn at b4, black pawn at e4, white pawn at g4 and white pawn at h4. White pawn at g3. White bishop at b2, white queen at c2 and white pawn at d2. White rook at a1, white knight at b1, 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 1. Full move number is 16. Black to move.