Marathon of Sittard Imp Pairs 1999

Marathon of Sittard 1999 (Imp pairs)

Sittard, Euregionaal Sportcentrum, August 28

Session 02, Boards 01-08

Board 01 North/-	ª --- © AKJT84 ¨ AT4 § 9862
ª A98 © Q72 ¨ 53 § AKQJ5	N W E S	ª QJ62 © 65 ¨ QJ87 § 743
	ª KT7543 © 93 ¨ K962 § 7

Mean score:		90

Score NS	Number	Imps NS	Imps EW
800	1	12	-12
450	1	8	-8
420	3	8	-8
200	1	3	-3
170	2	2	-2
150	2	2	-2
140	1	2	-2
110	4	1	-1
100	3	0	0
50	4	-1	1
-50	6	-4	4
-100	2	-5	5
-300	1	-9	9

Recommended bidding sequence:

West	North	East	South
--- 2§ pass.	1© 2©	pass pass	1ª pass

1. (Discussion to follow)

Board 02 East/NS	ª QT4 © QJT9 ¨ A § QT985
ª J53 © A4 ¨ Q9854 § A64	N W E S	ª A976 © 8532 ¨ J763 § 2
	ª K82 © K76 ¨ KT2 § KJ73

Mean score:		-50

Score NS	Number	Imps NS	Imps EW
630	3	12	-12
600	1	12	-12
170	1	6	-6
130	3	5	-5
110	1	4	-4
100	1	4	-4
50	2	3	-3
-100	9	-2	2
-110	1	-2	2
-200	9	-4	4

Recommended bidding sequence:

West	North	East	South
--- 1¨ 3¨	--- 1© pass	pass 2¨ pass	1§ pass pass.

2. Analysis to follow.

Board 03 South/EW	ª AT732 © A8 ¨ KQ76 § 85
ª J64 © Q63 ¨ J942 § KQ9	N W E S	ª KQ98 © KT952 ¨ T3 § J7
	ª 5 © J74 ¨ A85 § AT6432

Mean score:		-50

Score NS	Number	Imps NS	Imps EW
300	2	5	-5
200	2	3	-3
150	1	2	-2
130	5	1	-1
110	10	0	0
90	6	0	0
-50	2	-4	4
-100	1	-5	5
-150	1	-6	6
-500	1	-12	12

Recommended bidding sequence:

West	North	East	South
--- pass pass pass.	--- 1ª 2¨	--- pass pass	pass 2§ pass

3. (Discussion to follow)

Board 04 West/Both	ª 6 © AJ6 ¨ T8742 § J862
ª T74 © T87 ¨ K953 § QT7	N W E S	ª J52 © 95 ¨ AQJ § K9543
	ª AKQ983 © KQ432 ¨ 6 § A

Mean score:		740

Score NS	Number	Imps NS	Imps EW
1430	7	12	-12
680	18	-2	2
230	6	-11	11

Recommended bidding sequence:

West	North	East	South
pass pass pass pass	pass 1NT 3NT/4§ pass	pass pass pass pass.	1ª 3© 4©

This is the way to distinguish between 6-5 and 5-5. South should not jump to 4ª immediately, because North may take false preference with 1-2 or 2-2 in the majors. Of course, South would rebid 4ª with 6-4. For North, bidding 3NT or 4§ is a toss-up.

Board 05 North/NS	ª K4 © 52 ¨ KJ3 § QT8764
ª QT92 © AJT3 ¨ Q84 § 32	N W E S	ª J753 © KQ9 ¨ T62 § J95
	ª A86 © 8764 ¨ A975 § AK

Mean score:		500

Score NS	Number	Imps NS	Imps EW
720	1	6	-6
690	2	5	-5
660	4	4	-4
630	5	4	-4
600	8	3	-3
500	1	0	0
180	2	-8	8
150	6	-8	8
-100	1	-12	12
-300	1	-13	13

Recommended bidding sequence:

West	North	East	South
--- pass pass.	pass 3NT	pass pass	1NT pass

Just for the record: the odds in favor of a 4-3 break in © (62.17%).

Board 06 East/EW	ª AK765 © KJ9 ¨ J82 § 64
ª J82 © T73 ¨ 6 § KQT752	N W E S	ª Q3 © Q84 ¨ AKT7 § J983
	ª T94 © A652 ¨ Q9543 § A

Mean score:		500

Score NS	Number	Imps NS	Imps EW
590	1	10	-10
450	2	7	-7
420	4	6	-6
200	2	1	-1
170	10	0	0
140	1	-1	1
110	1	-2	2
100	3	-2	2
-50	4	-5	5
-90	1	-6	6
-100	1	-6	6
-120	1	-7	7
-300	1	-13	13

Recommended bidding sequence:

West	North	East	South
--- 3§	--- pass	1§ pass	pass pass.

Many EW-pairs play inverted minors. More discussion to come.

Board 07 South/Both	ª T73 © A87 ¨ KT7 § AT53
ª K862 © K543 ¨ 93 § 974	N W E S	ª J95 © QT ¨ AJ62 § KQ62
	ª AQ4 © J962 ¨ Q854 § J8

Mean score:		20

Score NS	Number	Imps NS	Imps EW
300	2	7	-7
200	5	5	-5
120	1	3	-3
100	4	2	-2
90	2	2	-2
70	1	2	-2
0	2	-1	1
-80	1	-3	3
-90	7	-3	3
-100	1	-3	3
-110	3	-4	4
-120	1	-4	4
-180	1	-5	5

Recommended bidding sequence:

West	North	East	South
--- pass 1© pass	--- pass pass pass.	--- 1§ 1NT	pass pass pass

By passing out, East would be breaking the rule of 15: open in fourth seat when hcp+ number of ª ³ 15.

Board 08 West/-	ª 87 © AT973 ¨ A92 § AKQ
ª AKT95 © 84 ¨ 764 § T96	N W E S	ª 643 © KQJ5 ¨ K53 § 742
	ª QJ2 © 62 ¨ QJT8 § J853

Mean score:		40

Score NS	Number	Imps NS	Imps EW
800	1	13	-13
400	2	8	-8
120	6	2	-2
110	2	2	-2
100	1	2	-2
90	6	2	-2
-50	7	-3	3
-100	3	-4	4
-150	2	-5	5
-1100	1	-15	15

Recommended bidding sequence:

West	North	East	South
pass pass.	1NT	pass	pass

8. (Discussion to follow)

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