3q1knr/r1pb4/1Q2p1pp/pp1p2b1/P4Pp1/1P1P3N/nBP1P2P/RN1K1B1R b - - 17 21
FEN state: 3q1knr/r1pb4/1Q2p1pp/pp1p2b1/P4Pp1/1P1P3N/nBP1P2P/RN1K1B1R b - - 17 21 ; Best move: c7b6
The current state of the chess board is: Black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7 and black bishop at d7. White queen at b6, black pawn at e6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at d5 and black bishop at g5. White pawn at a4, white pawn at f4 and black pawn at g4. White pawn at b3, white pawn at d3 and white knight at h3. Black knight at a2, white bishop at b2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 17. Full move number is 21. Black to move.