r2q2nr/1bp1k2p/4p2b/p2pPpp1/Pp3B1P/1PP5/3KQ1P1/RN1nNB1R b - - 0 21
FEN state: r2q2nr/1bp1k2p/4p2b/p2pPpp1/Pp3B1P/1PP5/3KQ1P1/RN1nNB1R b - - 0 21 ; Best move: d1c3
The current state of the chess board is: Black rook at a8, black queen at d8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7, black king at e7 and black pawn at h7. Black pawn at e6 and black bishop at h6. Black pawn at a5, black pawn at d5, white pawn at e5, black pawn at f5 and black pawn at g5. White pawn at a4, black pawn at b4, white bishop at f4 and white pawn at h4. White pawn at b3 and white pawn at c3. White king at d2, white queen at e2 and white pawn at g2. White rook at a1, white knight at b1, black knight at d1, white knight at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.