2bqk1n1/2pnb1pr/1prpp3/p6p/PPP1PQ2/R1NB2PP/3P1P1R/2BK2N1 b - - 0 21
FEN state: 2bqk1n1/2pnb1pr/1prpp3/p6p/PPP1PQ2/R1NB2PP/3P1P1R/2BK2N1 b - - 0 21 ; Best move: a5b4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at c7, black knight at d7, black bishop at e7, black pawn at g7 and black rook at h7. Black pawn at b6, black rook at c6, black pawn at d6 and black pawn at e6. Black pawn at a5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at e4 and white queen at f4. White rook at a3, white knight at c3, white bishop at d3, white pawn at g3 and white pawn at h3. White pawn at d2, white pawn at f2 and white rook at h2. White bishop at c1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.