1nb1kbr1/rp3p2/pq2pnp1/P1pp1P2/2P1P1p1/RP1P4/6BP/1NBQK1NR w K - 0 15
FEN state: 1nb1kbr1/rp3p2/pq2pnp1/P1pp1P2/2P1P1p1/RP1P4/6BP/1NBQK1NR w K - 0 15 ; Best move: a5b6
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at b7 and black pawn at f7. Black pawn at a6, black queen at b6, black pawn at e6, black knight at f6 and black pawn at g6. White pawn at a5, black pawn at c5, black pawn at d5 and white pawn at f5. White pawn at c4, white pawn at e4 and black pawn at g4. White rook at a3, white pawn at b3 and white pawn at d3. White bishop at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 15. White to move.