1rbqkbnr/pppnppp1/8/7p/1PpP1P1B/N3PN2/P1P3PP/R2QK2R w KQ - 1 10
FEN state: 1rbqkbnr/pppnppp1/8/7p/1PpP1P1B/N3PN2/P1P3PP/R2QK2R w KQ - 1 10 ; Best move: a3c4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at h5. White pawn at b4, black pawn at c4, white pawn at d4, white pawn at f4 and white bishop at h4. White knight at a3, white pawn at e3 and white knight at f3. White pawn at a2, white pawn at c2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1 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.