8. Na3 in the Exchange Slav... Landau variation??
First round of the Amsterdam international tournament Oct 1936, found in Nieuwe Apeldoornsche courant of 12-10-1936

8. Na3 in the Exchange Slav... Landau variation??

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As I was searching on Landau's games for some previous blogs, I've discovered of course a variation of the Slav Exchange that bears his name. This variation was played for first time vs Euwe in an International tournament in Amsterdam during October 1936, and its main characteristic is white's 8. Na3.

The opening seemed really attacking for white, leaving c file open and creating many threats from the beginning, that in many times lead in a without castling game, but really few games I've found that were played with this. Possibly as in that game a previous black's Qc8 was played, a move that can't be considered as a modern choice. Black's Qc7 instead is preferred more...

But I've also found some more modern games where a 8. Na3 was played after black's Qc7 and therefore I've chosen one of each setup to check similarities and differences...

And that's why I've put question marks in the head title, as 8. Na3 is considered Landau variation only after a previous black's Qc8...

8. Na3 in the Exchange Slav after black's Qc8 ~ Landau variation

This game was played in the 6th round of a great International tournament in Amsterdam during October 1936. I think that Euwe has analyzed this game in the Tijdschrift van den Nederlandschen Schaakbond, but after WW2 and I couldn't have access...

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8. Na3 in the Exchange Slav after black's Qc7

From the games with this setup I've chosen one played by Yusupov vs Kramnik in the great Linares 1993...

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Kramnik and Yusupov around early 1990s... photos could be copyrighted but I think it's in the limits of fair use

Tactics

I've made two puzzles from positions in the opening of the games I've found. They aren't so much clear, but I think that they surely show some advantage... even if stockfish say 0

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