N1b2bnr/p3p1p1/3pk3/1pp2p1p/PPn4q/3P3P/3BPPP1/1R1K1BNR b - - 0 21
FEN state: N1b2bnr/p3p1p1/3pk3/1pp2p1p/PPn4q/3P3P/3BPPP1/1R1K1BNR b - - 0 21 ; Best move: c4d2
The current state of the chess board is: White knight at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at g7. Black pawn at d6 and black king at e6. Black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at b4, black knight at c4 and black queen at h4. White pawn at d3 and white pawn at h3. White bishop at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.