A post to keep track of all the blog entries in this series.
In Ultimate Blunder Rating order...
19/20 CHIGORIN - Steinitz 1892
12/20 ALEKHINE - EUWE 1937
11.5/20 Spassky - FISCHER 1972
9/20 KASPAROV - SHORT 1993
8/20 Kramnik - TOPALOV 2006
if you want to go through the series in order they were written start here. This might be a good idea if you've no clue what an Ultimate Blunder Rating is.