rn3bbr/1p2p1k1/2pq2p1/pB1p4/P2PPp1P/4nP1N/RPPK2P1/3Q1N1R b - - 1 20
FEN state: rn3bbr/1p2p1k1/2pq2p1/pB1p4/P2PPp1P/4nP1N/RPPK2P1/3Q1N1R b - - 1 20 ; Best move: e3d1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black bishop at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and black king at g7. Black pawn at c6, black queen at d6 and black pawn at g6. Black pawn at a5, white bishop at b5 and black pawn at d5. White pawn at a4, white pawn at d4, white pawn at e4, black pawn at f4 and white pawn at h4. Black knight at e3, white pawn at f3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at c2, white king at d2 and white pawn at g2. White queen at d1, white knight 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.