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Lesson 36	 	More on Defence Lesson 36	 	More on Defence

Lesson 36 More on Defence - PowerPoint Presentation

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Lesson 36 More on Defence - PPT Presentation

Lesson 36 More on Defence Aims To revise our basic defence techniques To emphasise that the basic aim of all card play technique is to take more tricks Third hand high second hand low The difference between the Opening Lead ID: 772744

lead leads declarer cover leads lead cover declarer

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Lesson 36 More on Defence

Aims To revise our basic defence techniques To emphasise that the basic aim of all card play technique is to take more tricks

Third hand high, second hand low The difference between the Opening Lead and Third Hand Play L ead top of a sequence , Third hand plays lowest of touching cards Lead low from an honour Third hand plays high , to win the trick or to force out a high card from declarer

Quiz 36  K83  2 NW ESQ75??? West leads 2. Dummy plays 3. Which card do you play? Q Q934 NW ESKJ6??? West leads 4Dummy plays 3. And you?  J

 J98  5 N W ESAQ6???West leads  5Dummy plays 8 And you?  A

Defensive signalling . Encourage/discourage signals When partner leads a high card, (usually an ace), or switches to a high card during the play, we can signal whether we like the lead or not: Encouraging (partner, I like this suit) with a high card, Discouraging (partner, I would rather you tried another suit) with the lowest card we have.We do the same with discards - high suggests partner play this suit, low says ‘try something else’.

Looking for ruffs When partner leads an ace against a trump contract he usually has the king also If you have a doubleton you may score a ruff on the third round of the suit. So you encourage with your higher card.

Defensive signalling : high to encourage, low to discourage  QJ4A ledNW ES985 ???  QJ4  A ledNW ES102???East plays?10East plays?5

You are East, defending a contract of 3  played by South.  AQ4K6KJ875973???? NW E S 83  AQ9 104AQJ1052????Partner leads K. What do you do?a) Overtake with A and play another high clubb) Encourage by playing  10 c) Discourage by playing 2C You can cash the clubs ( if they are not ruffed) when you are in with the Hearts. The 2 asks for a switch. Looking at dummy, hearts looks the best switch. (c)

Cover an Honour with an Honour We cover honours only when there is a good chance of promoting tricks for our side.when declarer leads a single honour from a short suit: cover unless you have 4 or more cardswhen declarer leads the top card of a sequence: do not cover.Of course, it is right to cover two honours when you also hold two honours: eg KQ6 over J105; or AQ8 over J107)

 J2  1085 NW ES K64AQ973 QJ109  853 N W ESK764A2 Declarer leads J from NorthEast covers with  K. South wins  A and cashes  Q, b ut West’s ten has been promoted . If East does not cover  J it will win the trick . Now declarer leads  2 to  Q and cashes  A. The defence make no tricks at all. We cover honours to promote tricks for our side Declarer leads Q from dummy. If East covers with K declarer wins A andhe can cash dummy’s J109, makingfour club tricks. Covering with K cannot promote any tricks for the defence.If East plays low on the first round Q scores.declarer plays J and East plays low againSouth has to play A making East’s K a winner in a no-trump contract. In a trump contract declarer can ruff away K –3t not 4t It is not an absolute rule:

Examples of why it is right not to cover the top card in a sequence  J102 K986NW ES Q54 A73  A65 K74NW ES1083QJ92If East covers J with Q South wins  A. Now South leads  3 towards dummy’s  10 West takes  K, but South makes 2 heart tricks If East plays low on  J declarer runs it to  K, n ow dummy has  102, East has  Q5, South has A7, West has 98. Whatever South plays he makes only one heart trick. South leads Q it is best if West does not cover.After Q-K-A declarer can play low towards hand, finesse 9 and make 4 tricks. If Q is allowed to run North has A6, East 108, S,J92 and West K7.Now if South leads J West covers, and the defence must make one trickDeclarer S

“Lead through strength” and Lead Up to Weakness”  AQ4  976 1093854NW ES?????? AQ4 976  1093 854 NW ES762AQJ ??? ???KJ8K103 You are West, defending South’s no-trump contract In the course of play you won a trick with a club or diamond, and must lead to the next trick. You have to choose between hearts and spades, and have no idea what to do. What does your intuition say? You should be tempted to lead through the spade strength in dummy If you lead a heart you are doing declarer’s work for him – giving him a ‘free’ finesse and capturing partner’s king . A spade lead develops tricks for your side

Lead Up to Weakness This time you are East  632AQ104 ??????NW ES??????  632 AQ10  AJ10972NW ES 875KJ6KQ9854 875KJ63 You get on lead in the middle of the play and must lead either a heart or a spade. Which? If you lead a heart you give declarer a gift trick – he can win cheaply in dummy. You should lead a spade – lead up to weakness in dummy.

Quiz 36 -2 Declarer leads the underlined card. The question is: do you cover?  KJ10??? NW ESQ75  ??? No.  AK109Q74 NW ES??? J?? No. North leads  J. Do you cover? Do you cover? South leads  J.

 Q J94  ??? NW ESK82??? North leads Q. Do you cover? No.

End of Lesson