3r3r/4ppkp/B1b3pn/pp2N1P1/q1p1P3/2NP4/PPPK1P1P/R2Q3R b - - 6 21
FEN state: 3r3r/4ppkp/B1b3pn/pp2N1P1/q1p1P3/2NP4/PPPK1P1P/R2Q3R b - - 6 21 ; Best move: a4b4
The current state of the chess board is: Black rook at d8 and black rook at h8. Black pawn at e7, black pawn at f7, black king at g7 and black pawn at h7. White bishop at a6, black bishop at c6, black pawn at g6 and black knight at h6. Black pawn at a5, black pawn at b5, white knight at e5 and white pawn at g5. Black queen at a4, black pawn at c4 and white pawn at e4. White knight at c3 and white pawn at d3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. Black to move.