rn2q2r/2p4p/1Q2b1k1/p2pPpp1/1bP3Pn/PP5B/R2PP2P/1NB1NK1R b - - 10 20
FEN state: rn2q2r/2p4p/1Q2b1k1/p2pPpp1/1bP3Pn/PP5B/R2PP2P/1NB1NK1R b - - 10 20 ; Best move: c7b6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8 and black rook at h8. Black pawn at c7 and black pawn at h7. White queen at b6, black bishop at e6 and black king at g6. Black pawn at a5, black pawn at d5, white pawn at e5, black pawn at f5 and black pawn at g5. Black bishop at b4, white pawn at c4, white pawn at g4 and black knight at h4. White pawn at a3, white pawn at b3 and white bishop at h3. White rook at a2, white pawn at d2, white pawn at e2 and white pawn at h2. White knight at b1, white bishop at c1, white knight at e1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 10. Full move number is 20. Black to move.