r1b2bnr/npNp1k1p/8/p1pqpp2/1PPP1p2/P3P3/6PP/1RBK1BNR b - - 0 20
FEN state: r1b2bnr/npNp1k1p/8/p1pqpp2/1PPP1p2/P3P3/6PP/1RBK1BNR b - - 0 20 ; Best move: d5c6
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at a7, black pawn at b7, white knight at c7, black pawn at d7, black king at f7 and black pawn at h7. Black pawn at a5, black pawn at c5, black queen at d5, black pawn at e5 and black pawn at f5. White pawn at b4, white pawn at c4, white pawn at d4 and black pawn at f4. White pawn at a3 and white pawn at e3. White pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.