rnb1k1nr/6bp/ppp1pp2/q2pP1p1/1PP3P1/B4N2/P2P1P1P/RN1QKB1R w KQkq d6 0 10
FEN state: rnb1k1nr/6bp/ppp1pp2/q2pP1p1/1PP3P1/B4N2/P2P1P1P/RN1QKB1R w KQkq d6 0 10 ; Best move: b4a5
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 bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at e6 and black pawn at f6. Black queen at a5, black pawn at d5, white pawn at e5 and black pawn at g5. White pawn at b4, white pawn at c4 and white pawn at g4. White bishop at a3 and white knight at f3. White pawn at a2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 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. En Passant Target Square: d6. White to move.