rq2kb1r/1b1pn3/pp6/2p1pp1p/1nP1P3/NP1P1NPB/P4P1P/R1BK1Q1R b - - 1 21
FEN state: rq2kb1r/1b1pn3/pp6/2p1pp1p/1nP1P3/NP1P1NPB/P4P1P/R1BK1Q1R b - - 1 21 ; Best move: b8d6
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at d7 and black knight at e7. Black pawn at a6 and black pawn at b6. Black pawn at c5, black pawn at e5, black pawn at f5 and black pawn at h5. Black knight at b4, white pawn at c4 and white pawn at e4. White knight at a3, white pawn at b3, white pawn at d3, white knight at f3, white pawn at g3 and white bishop at h3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white queen at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.