system_basis
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| system_basis [2017/05/18 19:38] – [Basis of the System] johnkinn | system_basis [2023/08/03 21:20] (current) – john | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| - | < | ||
| - | |||
| ====Preface==== | ====Preface==== | ||
| The Canary Club system was devised by Paul Heitner and John Lowenthal sometime in the late 50's or | The Canary Club system was devised by Paul Heitner and John Lowenthal sometime in the late 50's or | ||
| early 60's. There is a high level description of the system in //The Encyclopedia | early 60's. There is a high level description of the system in //The Encyclopedia | ||
| - | of Bridge//. | + | of Bridge// |
| The system is really Roman Club | The system is really Roman Club | ||
| with a strong 1\C opening | with a strong 1\C opening | ||
| rather than the Roman weak 1\C | rather than the Roman weak 1\C | ||
| - | opening. One of the drawbacks to Roman Club | + | opening. One of the drawbacks to the Roman Club |
| was the necessity to create the suggestion of strength by bidding two suits | was the necessity to create the suggestion of strength by bidding two suits | ||
| - | rather than bidding and rebidding one suit. In addition there was no way to | + | rather than bidding and rebidding one suit. In addition, there was no way to |
| show a \C one suiter | show a \C one suiter | ||
| with the opening bid - one always had to bid a shorter suit first. As a consequence, | with the opening bid - one always had to bid a shorter suit first. As a consequence, | ||
| there frequently were opening bids in 3 card suits. | there frequently were opening bids in 3 card suits. | ||
| - | Canary avoids that problem altogether. In fact there is no bid in the system | + | Canary avoids that problem altogether. In fact, there is no bid in the system |
| of a suit less than 4 cards in length unless the bid is pre-defined as artificial. | of a suit less than 4 cards in length unless the bid is pre-defined as artificial. | ||
| There is no illusion of naturalness as there is in Roman Club | There is no illusion of naturalness as there is in Roman Club | ||
| Line 23: | Line 21: | ||
| A second feature of Roman Club | A second feature of Roman Club | ||
| was the use of a step response to 1\D/1\H/1\S as an artificial | was the use of a step response to 1\D/1\H/1\S as an artificial | ||
| - | negative. This is part of the description of Canary Club | + | negative. This is part of the description of the Canary Club |
| which appears in //The Encyclopedia of Bridge// too. It has also been a basis | which appears in //The Encyclopedia of Bridge// too. It has also been a basis | ||
| - | of Canary Club as described | + | of the Canary Club as described |
| in earlier versions of this document. | in earlier versions of this document. | ||
| Line 32: | Line 30: | ||
| - This puts us more in line with what the ACBL considers legal. The 1N response to 1\D being treated as forcing is unique to this system, I believe, but probably causes no " | - This puts us more in line with what the ACBL considers legal. The 1N response to 1\D being treated as forcing is unique to this system, I believe, but probably causes no " | ||
| - | - Theoretically it probably is superior as well since it causes the hand which is more likely to be balanced to be declarer. | + | - Theoretically, it probably is superior as well since it causes the hand which is more likely to be balanced to be declarer. |
| There is a problem introduced with this change. Auctions such as 1\D - 1\H - 1N (which showed | There is a problem introduced with this change. Auctions such as 1\D - 1\H - 1N (which showed | ||
| Line 39: | Line 37: | ||
| suit with a \S suit at | suit with a \S suit at | ||
| least as long as the \H | least as long as the \H | ||
| - | suit) served as a way for opener to show that he didn't have " | + | suit) served as a way for the opener to show that he didn't have " |
| reversing values in the old method. There no longer is a means to show the distinction | reversing values in the old method. There no longer is a means to show the distinction | ||
| between reversing values and weaker hands. Experience will show whether this | between reversing values and weaker hands. Experience will show whether this | ||
| is a problem or not. | is a problem or not. | ||
| - | < | ||
| ==== Basis of the System ==== | ==== Basis of the System ==== | ||
| ^^ | ^^ | ||
| - | | < | + | | **CANA**pé | |
| - | | < | + | | **R**ela**Y** | |
| - | | < | + | | **Club**| |
| < | < | ||
| Line 61: | Line 58: | ||
| |2\C| 11 - 16 HCP 6 card \C suit, no secondary major | | |2\C| 11 - 16 HCP 6 card \C suit, no secondary major | | ||
| |2\D|11 - 16 HCP 3-suited hand (4441/ | |2\D|11 - 16 HCP 3-suited hand (4441/ | ||
| - | |2\H/2\S| 11 - 16 HCP 5/6 or bid major with 4/5 \C. The hand has 5 or 6 (Roman) losers. | | + | |2\H/2\S| 11 - 16 HCP 5\+ of bid major with 4\+\C. The hand has 5 or 6 (Roman) losers. | |
| |2N|23 - 24 HCP balanced (note: we do not open the slam-buster 2N bid very often! :-D) | | |2N|23 - 24 HCP balanced (note: we do not open the slam-buster 2N bid very often! :-D) | | ||
| |3\C|11 - 16 HCP 5\+ cards in each minor. | |3\C|11 - 16 HCP 5\+ cards in each minor. | ||
| Line 86: | Line 83: | ||
| |17\+HCP | 1\c|| | |17\+HCP | 1\c|| | ||
| - | < | + | ===Principles |
| - | ===Principle | + | |
| With 2 - suited hands, the shorter of 2 suits is bid first. If the suits | With 2 - suited hands, the shorter of 2 suits is bid first. If the suits | ||
| Line 96: | Line 92: | ||
| descending. In an ascending canapé sequence, the second suit is at | descending. In an ascending canapé sequence, the second suit is at | ||
| least 5 cards long and is //at least// as long as the first. In a descending | least 5 cards long and is //at least// as long as the first. In a descending | ||
| - | canapé, the second suit is //always// longer than the first. | + | canapé, the second suit is **always** longer than the first. |
| ===Roman loser count=== | ===Roman loser count=== | ||
system_basis.1495136303.txt.gz · Last modified: 2023/07/31 01:17 (external edit)