1rb3nr/1p1p1k2/pqp2p2/1n3p1p/1P2p1PP/N2PP3/1PPQ1N2/R1BK1B1R b - - 1 20
FEN state: 1rb3nr/1p1p1k2/pqp2p2/1n3p1p/1P2p1PP/N2PP3/1PPQ1N2/R1BK1B1R b - - 1 20 ; Best move: h5g4
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and black king at f7. Black pawn at a6, black queen at b6, black pawn at c6 and black pawn at f6. Black knight at b5, black pawn at f5 and black pawn at h5. White pawn at b4, black pawn at e4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at d3 and white pawn at e3. White pawn at b2, white pawn at c2, white queen at d2 and white knight at f2. White rook at a1, white bishop at c1, white king at d1, 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.