q3kbnr/r1p1pp1p/bpn5/pB1pP1p1/3P4/5NP1/PPP1NP1P/R1BQ1R1K w k - 1 12
FEN state: q3kbnr/r1p1pp1p/bpn5/pB1pP1p1/3P4/5NP1/PPP1NP1P/R1BQ1R1K w k - 1 12 ; Best move: b5a6
The current state of the chess board is: Black queen at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black bishop at a6, black pawn at b6 and black knight at c6. Black pawn at a5, white bishop at b5, black pawn at d5, white pawn at e5 and black pawn at g5. White pawn at d4. White knight at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white rook at f1 and white king at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 12. White to move.