rnBn3r/2p2q1k/3p2p1/4pp2/2P4P/PQ1P2P1/1P1NPP1R/2R1K1N1 b - - 0 21
FEN state: rnBn3r/2p2q1k/3p2p1/4pp2/2P4P/PQ1P2P1/1P1NPP1R/2R1K1N1 b - - 0 21 ; Best move: b8c6
The current state of the chess board is: Black rook at a8, black knight at b8, white bishop at c8, black knight at d8 and black rook at h8. Black pawn at c7, black queen at f7 and black king at h7. Black pawn at d6 and black pawn at g6. Black pawn at e5 and black pawn at f5. White pawn at c4 and white pawn at h4. White pawn at a3, white queen at b3, white pawn at d3 and white pawn at g3. White pawn at b2, white knight at d2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at c1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.