r2q3r/2p1kpp1/2n4p/1p1ppn1P/1p6/b1NPPNP1/PBP1KP1R/R4B2 b - - 6 21
FEN state: r2q3r/2p1kpp1/2n4p/1p1ppn1P/1p6/b1NPPNP1/PBP1KP1R/R4B2 b - - 6 21 ; Best move: a3b2
The current state of the chess board is: Black rook at a8, black queen at d8 and black rook at h8. Black pawn at c7, black king at e7, black pawn at f7 and black pawn at g7. Black knight at c6 and black pawn at h6. Black pawn at b5, black pawn at d5, black pawn at e5, black knight at f5 and white pawn at h5. Black pawn at b4. Black bishop at a3, white knight at c3, white pawn at d3, white pawn at e3, white knight at f3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at c2, white king at e2, white pawn at f2 and white rook at h2. White rook at a1 and white bishop at f1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. Black to move.