rnbq1br1/p2kpppp/3p4/1pp2n2/5P1P/1P1P1N2/P1PKP1P1/RNBQ1B1R b - - 4 8
FEN state: rnbq1br1/p2kpppp/3p4/1pp2n2/5P1P/1P1P1N2/P1PKP1P1/RNBQ1B1R b - - 4 8 ; Best move: d8a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black king at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6. Black pawn at b5, black pawn at c5 and black knight at f5. White pawn at f4 and white pawn at h4. White pawn at b3, white pawn at d3 and white knight at f3. White pawn at a2, white pawn at c2, white king at d2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 8. Black to move.