2rqkb1r/p1p1pppp/4P3/Pp3b2/Q1p5/NP3PP1/1B1P2nP/R2K1BNR w k - 1 17
FEN state: 2rqkb1r/p1p1pppp/4P3/Pp3b2/Q1p5/NP3PP1/1B1P2nP/R2K1BNR w k - 1 17 ; Best move: a4b5
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. White pawn at e6. White pawn at a5, black pawn at b5 and black bishop at f5. White queen at a4 and black pawn at c4. White knight at a3, white pawn at b3, white pawn at f3 and white pawn at g3. White bishop at b2, white pawn at d2, black knight at g2 and white pawn at h2. White rook at a1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 17. White to move.