r1q2bk1/1bppp3/p1n3p1/3nPpNr/PpPP3p/1P1B1P2/2QK2PP/RN1R4 b - - 8 21
FEN state: r1q2bk1/1bppp3/p1n3p1/3nPpNr/PpPP3p/1P1B1P2/2QK2PP/RN1R4 b - - 8 21 ; Best move: c6d4
The current state of the chess board is: Black rook at a8, black queen at c8, black bishop at f8 and black king at g8. Black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at e7. Black pawn at a6, black knight at c6 and black pawn at g6. Black knight at d5, white pawn at e5, black pawn at f5, white knight at g5 and black rook at h5. White pawn at a4, black pawn at b4, white pawn at c4, white pawn at d4 and black pawn at h4. White pawn at b3, white bishop at d3 and white pawn at f3. White queen at c2, white king at d2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1 and white rook at d1. Both players have exhausted their castles. Half move number is 8. Full move number is 21. Black to move.