1r1q2n1/p1p1pk2/2np3b/5pp1/1BPQb2p/P2PP1PP/1PK3B1/RN4R1 b - - 8 20
FEN state: 1r1q2n1/p1p1pk2/2np3b/5pp1/1BPQb2p/P2PP1PP/1PK3B1/RN4R1 b - - 8 20 ; Best move: c6d4
The current state of the chess board is: Black rook at b8, black queen at d8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at e7 and black king at f7. Black knight at c6, black pawn at d6 and black bishop at h6. Black pawn at f5 and black pawn at g5. White bishop at b4, white pawn at c4, white queen at d4, black bishop at e4 and black pawn at h4. White pawn at a3, white pawn at d3, white pawn at e3, white pawn at g3 and white pawn at h3. White pawn at b2, white king at c2 and white bishop at g2. White rook at a1, white knight at b1 and white rook at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 20. Black to move.