Zurich Open 2025 | Welcome to Zurich Open 2025

Zurich Open 2025

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👋 Welcome to Zurich Open 2025

Round 1's draw has yet to be released

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Zurich Open 2025 runs on Tabbycat 2.10.0-c (Sphynx - Calico)

Tabbycat is an open-source project developed by volunteers and is free to use. For a tournament of this size, we suggest a donation of $1. Learn more about donating.

Still timing debates with the stopwatch app?

Using an app designed for debate timekeeping makes speaking and adjudicating easier! Check out Timekept (iPhone/iPad) or Debatekeeper (Android).

Our Organisation

Tabbycat is supported by the Tabbycat Debate Association, a non-profit for advancing open debate technology.

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