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PuzzleMeThis — chess puzzles, ranked
Solve Lichess chess tactics and climb the ranked leaderboard.
Jerome Gambit
The Jerome Gambit is an unsound chess opening which is an offshoot of the Giuoco Piano. It is characterized by the moves:
Ruy Lopez
White develops the bishop to the active square b5 (the so-called "Spanish bishop"), attacking the knight that defends Black's e-pawn.
Nimzowitsch Defence
The Nimzowitsch Defence is a somewhat uncommon chess opening characterised by the moves:
Jevons Paradox: A personal perspective
What if the most game-optimal play in the new system is actually to become relentlessly, unapologetically you?
Alekhine's Defence
Alekhine's Defence (or the Alekhine Defence) is a chess opening that begins with the moves:
X is still better than Bluesky at combating misinformation
Grace
Clearing up a misconception I’m seeing floating around: OpenAI didn’t “misconfigure” Artifactory to allow agents to make arbitrary network requests. The agents exploited a zero day vulnerability in Artifactory to be able to do this.