1nb1kb1r/5pp1/r1pp1q1p/1Q5n/4P3/2P4N/PP1PKPPP/1RB2B1R w k - 0 13
FEN state: 1nb1kb1r/5pp1/r1pp1q1p/1Q5n/4P3/2P4N/PP1PKPPP/1RB2B1R w k - 0 13 ; Best move: b5b8
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 h8. Black pawn at f7 and black pawn at g7. Black rook at a6, black pawn at c6, black pawn at d6, black queen at f6 and black pawn at h6. White queen at b5 and black knight at h5. White pawn at e4. White pawn at c3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 13. White to move.