
The biggest upset of the week was Bogdan Deac's victory with the black pieces against Maxime Vachier-Lagrave in the Superbet Chess Classic Tournament in Bucharest, and therefore it is the right time to look at the most recent developments in the Open Variation (5...Nxe4) of the Ruy Lopez.
The young Romanian player was under severe pressure, but showed great defensive skills. After repeating once, MVL decided to go for it by playing 25.g4! which generates new threats against the black king. Deac responded with the stubborn 25...b3!, but do you see what is wrong with the moves 25...Rae8 and 25...Kh8?
You can move the pieces on the live diagram!
Interestingly, the exact same line was repeated this week in another game between the young GMs Ter Sahakian and Sevian in a round robin in Armenia, so we will discuss that game as well to complete the update on the current status of this particular variation (9.Nbd2 & 12.exf6) in the Open Ruy Lopez.
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