rnb3r1/p3b1pp/5k1P/qppppp1B/8/Q1PP3P/PPN1PP2/R1B1K1NR w KQ - 4 15
FEN state: rnb3r1/p3b1pp/5k1P/qppppp1B/8/Q1PP3P/PPN1PP2/R1B1K1NR w KQ - 4 15 ; Best move: a3a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at g8. Black pawn at a7, black bishop at e7, black pawn at g7 and black pawn at h7. Black king at f6 and white pawn at h6. Black queen at a5, black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5 and white bishop at h5. White queen at a3, white pawn at c3, white pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white knight at c2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 15. White to move.