r1b2qkr/2p2pp1/1pn2n1p/p1bPp1P1/P1PP3P/1Q3P1N/1P2K3/RNB2B1R b - - 0 20
FEN state: r1b2qkr/2p2pp1/1pn2n1p/p1bPp1P1/P1PP3P/1Q3P1N/1P2K3/RNB2B1R b - - 0 20 ; Best move: c6d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at f8, black king at g8 and black rook at h8. Black pawn at c7, black pawn at f7 and black pawn at g7. Black pawn at b6, black knight at c6, black knight at f6 and black pawn at h6. Black pawn at a5, black bishop at c5, white pawn at d5, black pawn at e5 and white pawn at g5. White pawn at a4, white pawn at c4, white pawn at d4 and white pawn at h4. White queen at b3, white pawn at f3 and white knight at h3. White pawn at b2 and white king at e2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.