r1b1k1nr/pp2pp1p/nqpp1b2/1B4p1/3PP1P1/P2Q1P1P/1PP1NK2/RNB4R w kq - 0 11
FEN state: r1b1k1nr/pp2pp1p/nqpp1b2/1B4p1/3PP1P1/P2Q1P1P/1PP1NK2/RNB4R w kq - 0 11 ; Best move: b5a6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black queen at b6, black pawn at c6, black pawn at d6 and black bishop at f6. White bishop at b5 and black pawn at g5. White pawn at d4, white pawn at e4 and white pawn at g4. White pawn at a3, white queen at d3, white pawn at f3 and white pawn at h3. White pawn at b2, white pawn at c2, white knight at e2 and white king at f2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 11. White to move.