---
title: Keymer finds the Achilles' Heel of the Philidor.  Prague Masters R4 Analysis
description: The best game of this fourth round was the victory of Vincent Keymer versus the Philidor Defense of Aravindh
image: https://image.lichess1.org/display?fmt=webp&h=550&op=thumbnail&path=4545eAw-BtG-.webp&w=880&sig=4325443f6dfbd62b6b5faa9028621f2c5851ba1e
---

## Vincent Keymer vs Aravindh Chithambaran R4

In the priviuos 2 games with the philidor Aravindh had 1 victory and 1 loss but in both games he didnt suffer troubles in the opening but in this game Keymer found the key to beat that opening.
https://lichess.org/study/9jIyGdci/HiShYoYR#9

In the Challergers section we had 2 interesting games in the round 4 so i analiced too in another post, [Gledura and Yuffa great wins](https://lichess.org/@/BuendiaChess/blog/tactical-easy-win-and-technical-easy-win-prague-challengers-r4-analysis/aML5MSNa)