1n3b1r/1p1bpkpp/r1p2p2/PR6/4P3/N1p2PPN/P1Q3KP/2B1qBR1 b - - 5 20
FEN state: 1n3b1r/1p1bpkpp/r1p2p2/PR6/4P3/N1p2PPN/P1Q3KP/2B1qBR1 b - - 5 20 ; Best move: c6b5
The current state of the chess board is: Black knight at b8, black bishop at f8 and black rook at h8. Black pawn at b7, black bishop at d7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black rook at a6, black pawn at c6 and black pawn at f6. White pawn at a5 and white rook at b5. White pawn at e4. White knight at a3, black pawn at c3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at a2, white queen at c2, white king at g2 and white pawn at h2. White bishop at c1, black queen at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.