r1b2r2/p1kBpp1p/n5p1/P1p4P/1P3Nn1/6Q1/2P1PP2/RNB1K2R b K - 0 21
FEN state: r1b2r2/p1kBpp1p/n5p1/P1p4P/1P3Nn1/6Q1/2P1PP2/RNB1K2R b K - 0 21 ; Best move: c8d7
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at f8. Black pawn at a7, black king at c7, white bishop at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6 and black pawn at g6. White pawn at a5, black pawn at c5 and white pawn at h5. White pawn at b4, white knight at f4 and black knight at g4. White queen at g3. White pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.