George Duke wrote on Mon, Jun 24, 2013 11:21 AM EDT:
After 19 ...Qa8, Uruguayan Molinari has to address the long diagonal right
away with 20 f3. So the game score is an exception that proves the rule in
that the correction is not after the technical cv-brilliancy, but just
before. Http://www.chessgames.com/perl/chessgame?gid=1278766. If then 20
...Bd5, 21 Be1, White keeping typical edge not yet conclusive.
Next, year 1924 again, where does Black go wrong, http://www.chessgames.com/perl/chessgame?gid=1102104. It starts with 25 Qxe8 and everything before is a black box.