About: Rule of 15   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

The rule of 15 is a guideline of opening 1♠ at the fourth seat. Add the number of HCPs and the number of ♠s, if it is at least 15, open 1♠. This rule comes from the fact that ♠ is the highest suit, thus opening it prevents the opponents coming in cheaply. For example, the following hands qualify for a 1♠ opening at the fourth seat under this rule:

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  • Rule of 15
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  • The rule of 15 is a guideline of opening 1♠ at the fourth seat. Add the number of HCPs and the number of ♠s, if it is at least 15, open 1♠. This rule comes from the fact that ♠ is the highest suit, thus opening it prevents the opponents coming in cheaply. For example, the following hands qualify for a 1♠ opening at the fourth seat under this rule:
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abstract
  • The rule of 15 is a guideline of opening 1♠ at the fourth seat. Add the number of HCPs and the number of ♠s, if it is at least 15, open 1♠. This rule comes from the fact that ♠ is the highest suit, thus opening it prevents the opponents coming in cheaply. For example, the following hands qualify for a 1♠ opening at the fourth seat under this rule:
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