Super-Grandmaster Tactics at the Sinquefield Cup

Levon Aronian currently leads the Sinquefield Cup by a full point!

Photo Credit Austin Fuller

Here's a look at some of the tactical combinations from the exciting first round of the tournament, which had the rare result of all decisive games between these top-level grandmasters. 

Suggestion: Set up each position on a real board and come up with a guess. Then, click through the solution and compare your answer to the Grandmaster's moves. Let us know how many you answered correctly in the comment section!

Tactic #1

Black to move and win. How did Vachier-Lagrave take advantage of his lead in development?