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Προηγούμενος έλεγχος και από τις δύο πλευρές Προηγούμενη αναθεώρηση | |||
comment_law_12 [2019/03/05 10:13] – pournaras | comment_law_12 [2019/03/05 10:17] (τρέχουσα) – pournaras | ||
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Γραμμή 267: | Γραμμή 267: | ||
Example 11: | Example 11: | ||
- | A pair is misinformed and ends up in 3NT going down one instead of playing in a making 6♦contract. If the polling shows that it is easy to get to 6♦with correct information, | + | A pair is misinformed and ends up in 3NT going down one instead of playing in a making 6♦ contract. If the polling shows that it is easy to get to 6♦ with correct information, |
- | If however the polling shows only a ~50% chance of the pair getting to 6♦, then the TD should assign a percentage of 6♦making together with a proportion of the various (successful and nonsuccessful) game-level contracts. After factoring in the associated uncertainty the TD obtains an adjusted frequency of: 0.50 x 1.2 = 0.60 (which equates to 6♦making ~60% of the time). | + | If however the polling shows only a ~50% chance of the pair getting to 6♦, then the TD should assign a percentage of 6♦ making together with a proportion of the various (successful and nonsuccessful) game-level contracts. After factoring in the associated uncertainty the TD obtains an adjusted frequency of: 0.50 x 1.2 = 0.60 (which equates to 6♦ making ~60% of the time). |
- | Now let us suppose that for 6♦to make the declarer has to find a queen and it is a pure guess. We therefore don’t know if he would get it right or not, so it is now normal to include a proportion of both 6♦making and 6♦going down as part of the final weighted result (again giving some consideration to the margin of doubt associated with the process). Hence, if it seems that getting to 6♦is 100% certain and making it is only a ~50% chance; the assigned score would be 6♦making ~60% of the time (0.50 x 1.2 = 0.60) and going down ~40% of the time. | + | Now let us suppose that for 6♦ to make the declarer has to find a queen and it is a pure guess. We therefore don’t know if he would get it right or not, so it is now normal to include a proportion of both 6♦ making and 6♦ going down as part of the final weighted result (again giving some consideration to the margin of doubt associated with the process). Hence, if it seems that getting to 6♦ is 100% certain and making it is only a ~50% chance; the assigned score would be 6♦ making ~60% of the time (0.50 x 1.2 = 0.60) and going down ~40% of the time. |
- | If the TD discovers that only ~50% of the players polled would get to 6♦, and that those in 6♦would only make it ~50% of the time then, based upon the raw percentages, | + | If the TD discovers that only ~50% of the players polled would get to 6♦, and that those in 6♦ would only make it ~50% of the time then, based upon the raw percentages, |
=== Serious error === | === Serious error === |