r2q1bnr/2p2p2/Q2p1k1p/1p4p1/1p1pP2P/P1P2P1b/1B1KN1P1/RN3B1R b - - 1 20
FEN state: r2q1bnr/2p2p2/Q2p1k1p/1p4p1/1p1pP2P/P1P2P1b/1B1KN1P1/RN3B1R b - - 1 20 ; Best move: a8a6
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at f7. White queen at a6, black pawn at d6, black king at f6 and black pawn at h6. Black pawn at b5 and black pawn at g5. Black pawn at b4, black pawn at d4, white pawn at e4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at f3 and black bishop at h3. White bishop at b2, white king at d2, white knight at e2 and white pawn at g2. White rook at a1, white knight at b1, 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.