Unfortunately, it is nearly impossible to know when errors such as these have crept into your judgments. Therefore, it is extremely important to retaste all of the beers in a flight, especially the ones in the top half of the flight. In general, most flights should contain less than 12 beers, so this would entail retasting at least the 6 that receive the highest scores. Each beer should be carefully reevaluated to make sure that the rank ordering of the assigned scores reflects your overall impression of the actual quality of the beers. Only after retasting and a discussion of.