rn1q1rk1/2p3p1/1p3np1/p3P2p/bP1B1P2/b1P1p2N/R3P2P/3QKB1R b - - 1 20
FEN state: rn1q1rk1/2p3p1/1p3np1/p3P2p/bP1B1P2/b1P1p2N/R3P2P/3QKB1R b - - 1 20 ; Best move: a4d1
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black rook at f8 and black king at g8. Black pawn at c7 and black pawn at g7. Black pawn at b6, black knight at f6 and black pawn at g6. Black pawn at a5, white pawn at e5 and black pawn at h5. Black bishop at a4, white pawn at b4, white bishop at d4 and white pawn at f4. Black bishop at a3, white pawn at c3, black pawn at e3 and white knight at h3. White rook at a2, white pawn at e2 and white pawn at h2. White queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.