1n1k2nr/4p1b1/b2qP2p/pprp1Pp1/2PPQP2/P4K1P/8/RNB2BNR b - - 2 21
FEN state: 1n1k2nr/4p1b1/b2qP2p/pprp1Pp1/2PPQP2/P4K1P/8/RNB2BNR b - - 2 21 ; Best move: d5e4
The current state of the chess board is: Black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black pawn at e7 and black bishop at g7. Black bishop at a6, black queen at d6, white pawn at e6 and black pawn at h6. Black pawn at a5, black pawn at b5, black rook at c5, black pawn at d5, white pawn at f5 and black pawn at g5. White pawn at c4, white pawn at d4, white queen at e4 and white pawn at f4. White pawn at a3, white king at f3 and white pawn at h3. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.