1rbqkbnr/p3p2p/2p2pn1/1p1p2p1/PP1P4/Q4P2/N1P1P1PP/R2K1BNR w k - 6 17
FEN state: 1rbqkbnr/p3p2p/2p2pn1/1p1p2p1/PP1P4/Q4P2/N1P1P1PP/R2K1BNR w k - 6 17 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at h7. Black pawn at c6, black pawn at f6 and black knight at g6. Black pawn at b5, black pawn at d5 and black pawn at g5. White pawn at a4, white pawn at b4 and white pawn at d4. White queen at a3 and white pawn at f3. White knight at a2, white pawn at c2, white pawn at e2, white pawn 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 6. Full move number is 17. White to move.