1nbqkbn1/3p2p1/r4pPr/p3p2p/pNp1P2P/1PPP4/P4PB1/1RB2KNR b - - 0 17
FEN state: 1nbqkbn1/3p2p1/r4pPr/p3p2p/pNp1P2P/1PPP4/P4PB1/1RB2KNR b - - 0 17 ; Best move: a5b4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7 and black pawn at g7. Black rook at a6, black pawn at f6, white pawn at g6 and black rook at h6. Black pawn at a5, black pawn at e5 and black pawn at h5. Black pawn at a4, white knight at b4, black pawn at c4, white pawn at e4 and white pawn at h4. White pawn at b3, white pawn at c3 and white pawn at d3. White pawn at a2, white pawn at f2 and white bishop at g2. White rook at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 17. Black to move.