click FAQ at the top of the page (gray button near register) [R] indicates a game result. US - GER [R] would indicate the result (either halftime or fulltime) of a US - Germany game. Yellow and red cards mean someone broke the TOS and is being penalized. Yellow cards mean they can't start new topics, red cards mean they can't post at all. Here's a FAQ which explains everything: https://www.bigsoccer.com/forum/showthread.php?s=&threadid=2860