פורסם בתאריך 04/10/2011.
אנו שמחים לפרסם את הכתבה הראשונה (מתוך 4) בנושא "הערכת היד – ספירת לקיחות מפסידות – בפעולה" - "The Losing Trick Count in Action " (המקור: mrbridge).
הכתבה הראשונה עוסקת בנושא ספירת לקיחות מפסידות בידו של השותף, דהיינו לאחר ספירת הלקיחות המפסידות בידך, יש להוסיף את מספר הלקיחות המפסידות בידו של שותפך, ולהחסיר הסיכום מהמספר 18. התוצאה הינה גובה החוזה שיש להכריז.
הכתבה היא בשפת המקור=אנגלית. בהמשך אעלה את התרגום בעברית וכתבות נוספות.
לקריאת הכתבה לחצו כאן
HAND EVALUATION 15
The Losing Trick Count in Action
Part 1 of 4
by Bernard Magee
The Losing Trick Count in Action
In the last chapter we saw how to count losers. Here we start by looking at the basics of the Losing Trick Count:
- Count your losers;
- Add your partner's losers;
- Subtract the total from 18.
We have covered Point A, but how do we go about working out Point B?
This is rather like assessing the number of high-card points that partner holds. When partner opens the bidding at the one level, he has a minimum of about 12 HCP and a minimum responding hand has 6 HCP – these are the values you have to remember. It is similar with losers: you have to remember the values for a minimum opening hand as well as those for a minimum responding hand. They are:
Minimum opening hand = 7 losers.
Minimum responding hand = 9 losers.
In the point-count system, we assume that partner has the minimum, e.g. when you partner opens 1NT (12-14 HCP) and you have 11 HCP, you do not jump to 3NT, because he might have only 12 HCP. You assume he has the minimum and thus bid 2NT; if he does have 14 HCP, he can then bid on as appropriate. The LTC works in the same way: we always assume our partner has a minimum hand unless he tells us differently.
That is all there is to Point B. Now it's time to move on, and learn to apply Point C.
SUBTRACTING FROM 18
Once you have added your own losers and partner's losers together, you take the total away from 18 and the answer is the level to which you should bid. (If you have come across subtracting from 24, please note: that would give you the answer to the question of how many tricks you can take: six more than what you bid.)
Don't worry about why this is so – you do not need to know. In fact, by the end of this chapter, you will not be 'subtracting' at all, you will be 'comparing' instead!
Here is an example to illustrate how the method works:
The auction starts simply; you count losers only when you have a fit, so there is no need to count losers to begin with, but when East bids 1 , you, as West, know that you have a fit and should thus count your losers: 2 in spades, 1 in hearts, 2 in diamonds and 1 in clubs = 6 losers.
How many losers does East have? (Work it out without looking at his hand!)
- Assume that he has the minimum for a responding hand, that is: 9.
- Adding your losers (6) to partner's losers (9) gives a total of 15. Since 18 – 15 = 3, bid 3 .
Now it is East's turn to go through this process. He counts up his losers: 2 in spades, 2 in hearts, 1 in diamonds and 3 in clubs = 8 losers.
How many losers does West have? For a minimum opening hand he has 7 – but hold on a moment! West does not have a minimum opening hand, because he bid 3 rather than 2 , so he must have a better hand, i.e. 6 losers.
- Adding you losers (8) to partner's losers (6) gives a total of 14. So, since 18 – 14 = 4, you bid 4.