1rb2bnr/pp1pk1p1/nq6/PNp1p3/RP2Pp1p/3P1P1N/2P3PP/2BQKB1R w K - 0 12
FEN state: 1rb2bnr/pp1pk1p1/nq6/PNp1p3/RP2Pp1p/3P1P1N/2P3PP/2BQKB1R w K - 0 12 ; Best move: a5b6
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black king at e7 and black pawn at g7. Black knight at a6 and black queen at b6. White pawn at a5, white knight at b5, black pawn at c5 and black pawn at e5. White rook at a4, white pawn at b4, white pawn at e4, black pawn at f4 and black pawn at h4. White pawn at d3, white pawn at f3 and white knight at h3. White pawn at c2, white pawn at g2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 12. White to move.