There is a little snafu in the sources after <11...Be5>

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This game was published by the New York Times and the Brooklyn Daily Eagle on August 13, 1923. I know the BDE account was by Hermann Helms, and I believe the NYT version was as well.

At this point, the Times gives White's next two moves as 12.f4 and 13.f4. The Eagle also repeats White's moves -- but with 12.b3 and 13.b3!

Back in the 1980s, <Resignation Trap> became interested in Abraham Kupchik, and as a result this tournament in which he tied for first with Marshall. At the time, my library had a complete run o the New York Times on microfilm, so I went through all the reports and copied out by hand all the games I could find.

In the fullness of time I computerized the handwritten transcription, and eventually they wound up here. But I never gave the games a chose recheck until now.

Copied them out by hand?! Wow, that's, er, determination.

I see that it was from the 1980's - so back in the days of stone tablets, and Xerox machines the size of kitchen frigs.

<In the fullness of time I computerized the handwritten transcription, ... about a half-dozen or so errors popped up, which frankly was fewer than I expected.>

Again, out of curiosity, exactly what errors?

E.g. an error in the original NYT transcription, where the game is internally inconsistent, like here.

Or errors in your hand copying?

Date entry?

Or <CG> altering the moves somehow?

All of the above?

And finally, are you playing over the games one-by-one, or are you running a twin-check of <CG> vs. your DB?

The errors are of various types, both my transcriptions and in the original. I'm using three sources for these games: daily reports int he Brooklyn Daily Egale and New York TImes, and several pages games spread over several issues of the American Chess Bulletin..