Berlin Defense. l'Hermet Variation Berlin Wall Defense Vachier-Lagrave vs A Gupta, 2017 (C67) Ruy Lopez, 43 moves, 1-0 Berlin Defense. l'Hermet Variation Berlin Wall Defense Vachier-Lagrave vs Aronian, 2018 (C67) Ruy Lopez, 49 moves, 1-0 2 games