1nbq1b1r/r2pkp2/p1p1pnpp/1p6/P1P5/1P2P1PP/3P1PB1/RNBQK1NR w KQ - 1 10
FEN state: 1nbq1b1r/r2pkp2/p1p1pnpp/1p6/P1P5/1P2P1PP/3P1PB1/RNBQK1NR w KQ - 1 10 ; Best move: a4b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at d7, black king at e7 and black pawn at f7. Black pawn at a6, black pawn at c6, black pawn at e6, black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at b5. White pawn at a4 and white pawn at c4. White pawn at b3, white pawn at e3, white pawn at g3 and white pawn at h3. White pawn at d2, white pawn at f2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 10. White to move.