Complex sentence: Although larger than the original boards, part of the screen on each was split with a graphic that showed the score, game clock, play clock and other statistics, meaning the video portion couldn't use the board's full size.
Split into simpler sentences: Although larger than the original boards, part of the screen on each was split with a graphic. This graphic showed the score, game clock, play clock and other statistics, meaning the video portion couldn't use the board's full size.