rnb1k1nr/3pbppp/1pp5/pB2p1N1/8/q1P1PP2/1P1P1QPP/RNB1K2R w KQkq - 0 10
FEN state: rnb1k1nr/3pbppp/1pp5/pB2p1N1/8/q1P1PP2/1P1P1QPP/RNB1K2R w KQkq - 0 10 ; Best move: b1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black pawn at c6. Black pawn at a5, white bishop at b5, black pawn at e5 and white knight at g5. Black queen at a3, white pawn at c3, white pawn at e3 and white pawn at f3. White pawn at b2, white pawn at d2, white queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.