Leon rapid games (20 min. + any seconds/move) between Gelfand and Aronian (the final) was spectacular. The champion will be the winner of 4 games, and, after 3th game, Aronian was winning by 2-1. But Boris won the 4th and the two blitz games!
Seeing that 4 games, I think the level - few great mistakes - of them was big. This is the first:
Last week I saw Poikovski (Karpov memorial) tournament, and there was a lot of mistakes, any of them incredible (for me, as they are top GMs).
Next game is an example taken of this event, when black lost a clearly better position - although thinking is difficult a way to win -. It remembers to me the end of Capablanca-Tartakower, cited below, so, I cited it first :-)
* Any comments are taken from chess.ru website
The didactical ending of Capablanca-Tartakower:
In next game, Rublevski-Sokolov, white could play an "easy" (for a GM I think it is) line, winning without problems. But...
Ok, maybe sometimes rapid, "intuitional" chess is more precise than slow, more planned chess! :-)