1nbkqr2/1p1p1pp1/r1p4p/pB2pn2/Pb2PP1P/1PN4N/2PPQ1P1/R1B1K1R1 w - - 8 17
FEN state: 1nbkqr2/1p1p1pp1/r1p4p/pB2pn2/Pb2PP1P/1PN4N/2PPQ1P1/R1B1K1R1 w - - 8 17 ; Best move: e4f5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8, black queen at e8 and black rook at f8. Black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at g7. Black rook at a6, black pawn at c6 and black pawn at h6. Black pawn at a5, white bishop at b5, black pawn at e5 and black knight at f5. White pawn at a4, black bishop at b4, white pawn at e4, white pawn at f4 and white pawn at h4. White pawn at b3, white knight at c3 and white knight at h3. White pawn at c2, white pawn at d2, white queen at e2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 17. White to move.