ACBL Convention Charts
Issued byACBLAmerican Contract Bridge League
StatusIn force
LanguageEnglish
Four charts, from least to most permissive: Basic, Basic+, Open and Open+. Each event states which chart applies. Some methods are allowed only under the Open+ Chart in longer segments, and certain ones also need a pre-alert and a written defence.
More from American Contract Bridge League
| Document | Issued by | Edition | Official text |
|---|---|---|---|
| Laws of Duplicate Bridge — ACBL edition and options | ACBL | 2017, with 2024 update | Web ↗ |
| ACBL Alert Procedures | ACBL | February 2026 | PDF ↗ |
| Duplicate Decisions (club director's guide) | ACBL | Revised 2026 | Web ↗ |
The world standard
| Document | Issued by | Edition | Official text |
|---|---|---|---|
| WBF Systems Policy | WBF | 2024 | PDF ↗ |
| WBF Psychic Bidding Guidelines | WBF | — | PDF ↗ |
This page is a summary written by Bridge Timer. The official text published by American Contract Bridge League is the only authoritative version.
← All rules & docsLink checked 2026-10-01 · source: American Contract Bridge League