2bn2n1/1ppqkppr/2B1p3/r1b1P2p/P2NQP2/2Rp3P/1PPP2PK/1NB4R b - - 1 21
FEN state: 2bn2n1/1ppqkppr/2B1p3/r1b1P2p/P2NQP2/2Rp3P/1PPP2PK/1NB4R b - - 1 21 ; Best move: d7d4
The current state of the chess board is: Black bishop at c8, black knight at d8 and black knight at g8. Black pawn at b7, black pawn at c7, black queen at d7, black king at e7, black pawn at f7, black pawn at g7 and black rook at h7. White bishop at c6 and black pawn at e6. Black rook at a5, black bishop at c5, white pawn at e5 and black pawn at h5. White pawn at a4, white knight at d4, white queen at e4 and white pawn at f4. White rook at c3, black pawn at d3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at g2 and white king at h2. White knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.