1rb1k2r/pp1pppb1/2p2npp/1BP5/3P3P/4Q3/PB3PPR/RN1K2N1 b - - 8 20
FEN state: 1rb1k2r/pp1pppb1/2p2npp/1BP5/3P3P/4Q3/PB3PPR/RN1K2N1 b - - 8 20 ; Best move: c6b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at c6, black knight at f6, black pawn at g6 and black pawn at h6. White bishop at b5 and white pawn at c5. White pawn at d4 and white pawn at h4. White queen at e3. White pawn at a2, white bishop at b2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 20. Black to move.