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Bidding Quiz†††††††††††††† ††††

 

Hand A†††††††††† Hand B†††††††††† With Hand A you open 1 and partner responds 1, what do

you bid?

J83†††††††††††††† J6

K972††††††††††† K852††††††††††† With Hand B partner opens 1 and RHO overcalls 1NT, what

AKQ73††††††† AK982†††††††† do you do?

8††††††††††††††††† 72†††††††††††††††††††††††††††††††††††††††

†††††††††††††††††††††††††††††

Hand C†††††††††† Hand D†††††††††† What do you open with Hand C (1st seat, both vulnerable)?

 

A2††††††††††††††† KQ98††††††††††

KQJ10984†† A9876††††††††† With Hand D you open 1 and partner bids 1, what

J3††††††††††††††††† 3††††††††††††††††††do you bid?

42††††††††††††††† AKQ

 

†††††††††††††††††††††††††††††

 

 

 

†††††††††††††††††††††††††††††††††††††††

††††††††††††††† †††††††††††††††††††††††††††††††
Go for the Moysian fit?†††††††††††††††† †††††††††††††††††††††††† Board 21 from Monday 9th

 

The Moysian (4-3) fit is not generally something you should aim for, but with shortage in another suit, the 3-trump hand should consider it.††

 

Dealer:†††††††††††† J83†††††††††††††††††††††††††††††††††††††††††††† Table A

North†††††††††††††† K972††††††††††††††††††††††††††††††††††††††††† West††††††† North(A)††† East††††††††††† South

N-S vul††††††††††† AKQ73†††††††††††††††††††††††††††††††††††††-†††††††††††††††† 1††† †††††††††pass†††††††††† 1

8††††††††††††††††††††††††††††††††††††††††††††††† pass†††††††††† 2††† (1)†††††pass†††††††††† pass

dbl†† (2)††††† pass ††††††††† 3†††††††††††† pass††††

752†††††††††††††† †††† N†††††††††††† AK9†††††††††††††† ††††† pass†††††††††† 3††† (3)††††† pass†††††††††† 4††† (4)

AJ85††††††††††† W††† E††††††††† Q4††††††††††††††††† ††††† all pass

6††††††††††††††††††††††††S††††††††††††† 10952††††††††††††

K6532†††††††††††††††††††††††††††††† Q1097†††††††††† ††††† Alternative Auction

††††††††††††††††††††††† Q1064††††††††††††††††††††††††††††††††† †††† West††††††† North(A)††† East††††††††††† South

1063†††††††††††††††††††††††††††††††††††† †††† -†††††††††††††††† 1††††††††††††† pass†††††††††† 1

J82††††††††††††††††††††††††††††††††††††††† ††††pass†††††††††† 2††† (2)††††† pass†††††††††† pass

AJ4††††††††††††††††††††††††††††††††††††††††††† pass (5)

 

Table A:†††† (1)What did you bid with this North hand A in this weekís quiz? Now of course 2 is quite reasonable, but I would bid 2. I give my reasons below.

(2)   And West now has it easy with a balancing double (showing ís and ís) that only forces partner to the two level.

(3)   North now (belatedly in my opinion) shows his support. The problem, of course, is that he is now up at the three level.

(4)   And now they are up at the four level!

Alternative(1)This is my answer to question A. It may well be a Moysian fit but with a

Auction:††††††††††† singleton that should play well. The additional advantage is that it forces the opponents to the three level should partner be weak and they want to compete.

(5)   I asked West at table A if he would have doubled 2 for take-out; he said no, and that he only doubled because he hoped to play in ís at the two level.

 

And what happened? 4 went just one down for a reasonable score. 3 was bid and made at one table for the E-W top. One North was left to play peacefully in 2+1 for the N-S top and 5 doubled went -1. Deep Finesse says that 2 and 2 make by N-S and 3 makes by E-W

The bottom lines: -

-         With an outside singleton, consider supporting partnerís possible 4-card suit with just three card support.

 


Donít let the Opponents in††††††††††† †††††††††††††††††††††††† Board 13 from Wednesday 11th††

 

Dealer:†††††††††††† A2††††††††††††††††††††††††††††††††††††††††††††† Table A

North†††††††††††††† KQJ10984†††††††††††††††††††††††††††††††† West††††††††† North(C)††† East††††††††††† South

both vul††††††††††† J3†††††††††††††††††††††††††††††††††††††††††††††††-†††††††††††††††† 1††† (1)††††† 2††††††††††††† 2

42††††††††††††††††††††††††††††††††††††††††††††† 3††††††††††††† 3††† (2)††††† pass†††††††††† 4

pass†† ††††††† pass†††††††††† 5††††††††††††† all pass

Q8763††††††††† †††† N†††††††††††† 9†††††††††††††††††††† †††††

5†††††††††††††††††† W††† E††††††††† A2††††††††††††††††† †††††

K75†††††††††††††††††††S††††††††††††† AQ109864†††† †††††Table B

J763†††††††††††††††††††††††††††††††††† A98††††††††††††††† ††††† West††††††††† North(C)††† East††††††††††† South††

††††††††††††††††††††††† KJ1054††††††††††††††††††††††††††††††† †††† -†††††††††††††††† 4††† (1)††††† dbl†††††††††††† all pass

763†††††††††††††††††††††††††††††††††††††† ††††

2†††††††††††††††††††††††††††††††††††††††††† †††††

KQ105†††††††††††††††††††††††††††††††††††††

 

Table A:†††† (1)What did you open with this North hand C in this weekís quiz? I guess that 1 is quite reasonable, but I was North at Table B.

(2)   When partner has bid at the two level, this is surely worth 4.

Table B:†††† (1)This was my answer to question C. Itís pretty clear that the hand belongs in ís and you donít want to let the opponents in cheaply, especially if they have ís.

 

And what happened? 4* lost just the three aces for a top to N-S. Another North played in 4 undoubled and two E-Wís bid to 5 making. 5 should not make of course, but one down is a good save against 4 making.

The bottom lines: -

-         With a good hand and a good solid major, open at the four level if itís not too strong.

-         If you play Namyats this hand is not good enough for 4 and so you still open 4.

 


A Missed Opportunity†††††††††††††††††† ††††††††††††††††††††† Board 20 from Monday 9th

 

Dealer:†††††††††††† AK†††††††††††††††††††††††††††††††††††††††††††† Table A

West††††††††††††††† QJ943††††††††††††††††††††††††††††††††††††††† West††††††††† North†††††††† East(B)†††††† South

Both vul††††††††††† 105††††††††††††††††††††††††††††††††††††††††††††1†††††††††††† 1NT (1)††††† 2†††(2)††††† pass

KQ95††††††††††††††††††††††††††††††††††††††† pass (3)††††† 2††† (4)††††† dbl†† (5)††††† 2††† (6)

pass (7)††††† pass†††††††††† pass (8)†††††

Q732††††††††††† †††† N†††††††††††† J6†††††††††††††††††† †††††

A6††††††††††††††† W††† E††††††††† K852††††††††††††† ††††† Alternative Auction

QJ††††††††††††††††††††††S††††††††††††† AK982†††††††††† †††††West††††††††† North†††††††† East(B)†††††† South

AJ843†††††††††††††††††††††††††††††††† 72††††††††††††††††††††††† 1†††††††††††† 1NT (1)††††† dbl†† (2)††††† 2††† (9)

††††††††††††††††††††††† 109854†††††††††††††††††††††††††††††††† †††† dbl†† (10)††† all pass

107†††††††††††††††††††††††††††††††††††††† ††††

7643†††††††††††††††††††††††††††††††††††† †††††

106†††††††††††††††††††††††††††††††††††††

 

Table A:†††† (1)I prefer this 1NT bid to the alternative of 1.

(2)   What did you bid with this East hand B in this weekís quiz? This 2 bid is wrong Ė it is non-forcing and weak after RHO has overcalled 1NT.

(3)   West correctly passed, assuming that his partner was weak.

(4)   North inferred from the auction that his partner had some values, so he bid his ís.

(5)   Penalties

(6)   Itís quite reasonable for South to run to his 5-card suit.

(7)   Now it may appear to be obvious that West should double, but Iím not so sure. Partner has shown a weak hand at (2) and may well just have a poor hand with the red suits.

(8)   East has the values for a penalty double but does not know that partner has ís

Alternative(1)This North again chooses the reasonable 1NT overcall

Auction:††††† (2)This is the answer to question B, a penalty double. With 11 points opposite partnerís opening the vulnerable opponents are going for a number.

(9)   South obviously runs to his 5-card suit.

(10)   But now, as opposed to the situation at (7), West knows to double.

 

And what happened? 2 went three down for just 300 away and a poor score to E-W Ė it would have been 800 if doubled. E-W scored 600 for 3NT making at two other tables.

The bottom lines: -

-         If partner opens and RHO overcalls 1NT, then any bid by you except double is weak and non-forcing. With 10+ points you are obliged to double to show the balance of power.

 

 

Daveís Column†† Here is this weekís Dave input involving the best play for the contract.

 

North†††††††††††††† South†††††††††††† You are North, declarer in 4. East leads the A and K and

AQJ1098††††† K6††††††††††††† a 3rd to Westís Q which you ruff. Plan the play.

KJ5††††††††††††† A32

93†††††††††††††††† AQ542††††††††††††††††††††††††††††††††

43††††††††††††††† J52††††††††††††††††††††††††††††††††††††††††††††


Daveís Column answer††††††††††††††††††††† Board 5 from Wednesday 11th ††

†††††

Dealer:†††††††††††† AQJ1098††††††††††††††††††††††††††††††††††† West††††††††† North†††††††† East††††††††††† South

North†††††††††††††† KJ5††††††††††††††††††††††††††††††††††††††††††† ††††††††† ††††††† 2††††††††††††† pass†††††††††† 4

N-S vul††††††††††† 93†††††††††††††††††††††††††††††††††††††††† †††††all pass

††††††††††††††††††††††† 43††††††††††††††††††††††††††††††††††††††† †††††

East leads the A and continues with the K

543†††††††††††††††††††† N†††††††††††† 72†††††††††††††††††† and a to Westís Q which you ruff. You lead

10764†††††††††† W††† E††††††††† Q98††††††††††††††† a to the Q and K. West returns the 4.

KJ††††††††††††††††††††††S††††††††††††† 10876††††††††††††Question Time.

Q986†††††††††††††††††††††††††††††††† AK107†††††††††† Before you took the finesse, how many

††††††††††††††††††††††† K6††††††††††††††††††††††††††††††††† ††††† losers did you have and how many tricks?

A32††††††††††††††††††††††††††††††††††††† Why did you finesse ís before drawing trumps?

AQ542††††††††††††††††††††††††††††††††Why did you finesse ís before ís?††

J52†††††††††††††††††††††††††††††††† †††† Which do you play now (on Westís 4)?

What is your general plan?

 

After ruffing the 3rd round of ís you had two possible losers, one in ís and one in ís. Your trick count was nine Ė six ís, two ís and one .

You finesse the ís before drawing trumps because you may need the K as a helping entry to establish the ís in case of a 4-2 break.

You finessed ís before ís because ís is the long suit. Finesses in short suits come last (if at all).

You should play the K when West returns the 4 to preserve the A as a future entry to the suit. Now continue establishing the ís to get rid of the losing .

After winning the K, play the A and ruff a . If ís break 3-3, draw trumps and enter dummy with the A and discard the losing on the good ís.

If ís break 4-2, enter dummy with the K and ruff another . Now draw trumps and use the A as an entry to the remaining to discard your loser.

 

And what happened at the Pattaya Bridge Club? 6-2, 4=, 4-1 and 2+2.

 

 

Daveís 2nd Column†† Here is Daveís 2nd input involving the best play for the contract.

 

West††††††††††††††† East††††††††††††††††† You are East, declarer in 6. South leads the J, plan the play.

KQ98†††††††††† AJ107†††††††† ††††††††††††††††††††††††

A9876††††††††† 4 †††††††††††††††

3†††††††††††††††††† A9874†††††††††††††††††††††††††††††††††

AKQ††††††††††† 432†††††††††††††


Daveís 2nd Column answer††††††††††††† Board 6 from Wednesday 11th

†††††

Dealer:†††††††††††† 6543†††††††††††††††††††††††††††††††††††††††††† West(D)†††† North†††††††† East††††††††††† South

East††††††††††††††††† KQ1052†††††††††††††††††††††††††††††††††††† 1††† ††††††††† pass†††††††††† 1††††††††††††† pass

E-W vul†††††††††† QJ†††††††††††††††††††††††††††††††††††††††† †††††4††† (1)†††††pass†††††††††† 6††††††††††††† all pass

††††††††††††††††††††††† 65†††††††††††††††††††††††††††††††††††††††††††††

††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††† (1)What did you bid with this West hand D

KQ98†††††††††††††††† N†††††††††††† AJ107†††††††††††† †††† in this weeks quiz? This 4 splinter is

A9876††††††††† W††† E††††††††† 4†††††††††††††††††††† ††††† spot on, showing a singleton , 4 card

3†††††††††††††††††††††††† S††††††††††††† A9874†††††††††††††††††support and a huge hand with slam interest.

AKQ††††††††††††††††††††††††††††††††† 432†††††††††††††††

††††††††††††††††††††††† 2†††††††††††††††††††††††††††††††††††† ††††† ††††† South leads the J,

J6†††††††††††††††† ††††††††††††††††††††††† (a)plan the play in 6.

K10652†††††††††††††††††††††††††††††††(b)plan the play in 7.

J10987†††††††††††††††††††††††††††††††† (c)  plan the play in 4.

 

Blessed with high trumps as well as a singleton on both sides you should consider a crossruff.

In the suits that you will be crossruffing, ís and ís, you have a total of ten tricks: the two red aces as well as eight trump tricks made by ruffing.

What that means is that in scenario (a) is that you need TWO, not three tricks from the suit. Therefore you should cash just two tricks before embarking on the crossruff. If a trump had been led you would have to try cashing three tricks.

In 7 (b) you have to try cashing three tricks.

In 4 (c) itís also best to try cashing three ís as you have a 66% chance of a 4-3 break and the contract is never in danger.††††††††††††††††††††††††††††††††††††

 

And what happened at the Pattaya Bridge Club? 4+2, 4+1, 4= and 3+3. When I played the hand I was in 4 and immediately tried to cash three ís. The third was ruffed but the defender failed to realise that there was an impending cross-ruff and did not lead a trump and so 12 tricks were made.

 

The bottom lines:-

-         If you are planning a crossruff, cash winners the 3rd suit first.

-         If you are defending and declarer seems to be planning a cross-ruff, then lead a trump when you get in.

 

 

 

Another Play problem†††††††† This is a simple hand from Friday.

 

West††††††††††††††† East††††††††††††††††† You are West, declarer in 4. North leads the J, plan the play.

Q1087643††† A92†††††††††††

Q††††††††††††††††† 983††††††††††††

105†††††††††††††† AKJ9†††††††††

KQ5††††††††††† A64


Another Play problem answer††††††††††† Board 16 from Friday 13th

†††††

Dealer:†††††††††††† KJ5††††††††††††††††††††††††††††††††††††††††††† West††††††††† North†††††††† East††††††††††† South

West††††††††††††††† KJ542††††††††††††††††††††††††††††††††††††††† 3††††††††††††† pass†††††††††† 4††††††††††††† all pass

E-W vul†††††††††† Q3††††††††††††††††††††††††††††††††††††††† †††††

††††††††††††††††††††††† J109†††††††††††††††††††††††††††††††††††† North leads the J, plan the play.†††††††††

†††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††††

Q1087643††††††††† N†††††††††††† A92††††††††††††††† You should win in hand with the K and †††

Q††††††††††††††††† W††† E††††††††† 983†††††††††††††††† play a low . When North plays low you should

105†††††††††††††††††††† S††††††††††††† AKJ9†††††††††††††insert the 9. If South wins then you lose only

KQ5††††††††††††††††††††††††††††††††† A64††††††††††††††† one trump trick and if South is void you still

††††††††††††††††††††††† -†††††††††††††††††††††††††††††††††††† ††††† only lose one trump trick.†††

A1076††††††††††††††††††††††††††††††††† This is a safety play and guards against all three

87642†††††††††††††††††††††††††††††††††† trumps with North. The lazy play of winning the

8732††††††††††††††††††††††††††††††††††† A and cashing the A costs a tick on this layout.

 

 

 

Brain teaser - Restricted Choice?

 

This little gem was mentioned to me by Gene.

You are participating in a quiz show and have progressed to the stage of (maybe) winning a prize. You are facing three doors, A, B and C. Behind one of these doors in the grand prize and behind the other two doors there is nothing.

The quizmaster knows which door hides the prize and he invites you to pick a door. He then always opens another door which he knows is empty. You are then asked to make your final choice, is it 50-50? Should you go for your original option or go for the other door?

Answer next page.

 


Bidding Quiz Answers

 

Hand A:†††† 2. 2 is reasonable of course and is what I expect most will bid. But I prefer to support partner (even with just three cards in his major) if I have outside shortage. The hand is not strong enough for a reverse into 2 of course.

Hand B:††† Double. This shows 10+ points and is in principle for penalties. Any bid (such as 2) is wrong as that is weak and non-forcing. After RHO overcalls 1NT the only strong bid is double.

Hand C: †† 4. Thatís probably where you want to play so get it in before the opponents find their fit. The hand is too good for 3 and 1 lets the opponents in cheaply.

Hand D: †† 4, a splinter agreeing ís and looking for slam.

 

 

 

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Brain teaser - Restricted Choice?

 

You should go for the other door, this is a 66% chance of being right.

This is an example of restricted choice but one easy way of looking at it is as follows. You had a 1 in 3 chance of picking the correct door to start with. The fact that the quizmaster has opened an empty door has altered nothing (he will always open an empty door). So nothing has changed, there is a 1/3 chance that the original door was correct so there is now a 2/3 chance that the other door is correct.