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Duplicate Bridge Changelog — Rule Version History | OpenSourceSports

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Rules for real sports. A platform for new ones. Sourced from governing bodies, community-driven, and always open.

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Rulebook Versions(1)

Laws of Duplicate Bridge, 2017 Revised Authorized EditionCurrentEffective September 25, 2017

Auto-detected content change during sync (commit 84da984)

Recorded Jul 31, 2026

Topic Changes(2 topics updated)

Composition

2. The Deck

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