1r1qkbn1/p1p1pppr/2npb3/1p5p/P7/3PKP1P/1PP1P1P1/RNB1QBNR w - - 1 8
FEN state: 1r1qkbn1/p1p1pppr/2npb3/1p5p/P7/3PKP1P/1PP1P1P1/RNB1QBNR w - - 1 8 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at c6, black pawn at d6 and black bishop at e6. Black pawn at b5 and black pawn at h5. White pawn at a4. White pawn at d3, white king at e3, white pawn at f3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 8. White to move.