1rbqkb2/3npppr/pppp4/P6p/1P1P4/2P2P2/2N1P1PP/2BRKBNR b K - 3 15
FEN state: 1rbqkb2/3npppr/pppp4/P6p/1P1P4/2P2P2/2N1P1PP/2BRKBNR b K - 3 15 ; Best move: b6a5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black knight at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at a6, black pawn at b6, black pawn at c6 and black pawn at d6. White pawn at a5 and black pawn at h5. White pawn at b4 and white pawn at d4. White pawn at c3 and white pawn at f3. White knight at c2, white pawn at e2, white pawn at g2 and white pawn at h2. White bishop at c1, white rook at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.