WCC2018, Carlsen-Caruana, 6th round, Petrov defense: Karklins-Martinovsky variation

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Yigor

Today Carlsen decided to create a surprise trophies.png by choosing a rare and weird variation of the Russian game peshka.png:

 

 

Nevertheless, Stockfish is okay with it giving positive evaluations in the range +0.1/+0.3. explorer.png

Yigor

Well, 1 recent GM game (Motylev-Rakhmanov, 2018, half.png-half.png) featuring this variation:

https://www.chess.com/games/view/14383331

Here's also the first game with 4. Nd3 (Glek-Ivanchuk, 1986, 0-1) in the local database:

https://www.chess.com/games/view/386899