2020-06-08 | Matthew Vernon | Add clarification re transfers on top of 1NT overcall |
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2020-06-08 | Matthew Vernon | Add Multi-Landy overcalls of 1NT, and defences thereto |
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2020-06-08 | Matthew Vernon | Add weak twos |
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2020-06-08 | Matthew Vernon | accumulated clarifications and corrections |
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2020-06-08 | Matthew Vernon | First complete system draft - 2012-01-04 |
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2020-06-08 | Matthew Vernon | Add opening bids - 2010-07-05 |
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2020-06-08 | Matthew Vernon | first recorded notes - 2010-06-30 |
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