Round-Robin

Round 4

Board 5

Board 5 Dlr: N Vul: N-S	ª Q 9 8 © J ¨ A Q J 8 5 § 10 8 6 4
ª J 4 2 © K 9 7 ¨ K 10 § A K Q 3 2	N W E S	ª - © 6 5 3 2 ¨ 7 6 4 3 2 § J 9 7 5
	ª A K 10 7 6 5 3 © A Q 10 8 4 ¨ 9 § -

In the Bridge Baron versus Micro Bridge round-robin match, Micro Bridge opened 4ª. West doubled, making 7 for +1390. However, Bridge Baron did a lot better at the other table.

West	North	East	South
Micro Bridge	Bridge Baron	Micro Bridge	Bridge Baron
	Pass	Pass	1ª
2§	3§^(1)	4§	4©^(2)
5§	5¨^(3)	Pass	6§^(4)
Dbl	6©^(5)	Pass	7ª
Dbl	All Pass

⁽¹⁾ limit raise or better in spades

^{(2) (3)} first round control

⁽⁴⁾ first round control, no second round heart control

⁽⁵⁾ second round control

Bridge Baron found the non-percentage 23 hcp grand (from South’s point of view North could have four spades and/or the heart king). Bridge Baron made 7 with a ruffing heart finesse, +2470 and 14 IMPs.

In the Jack versus Q-Plus match, both reached 6ª.

West	North	East	South
Q-Plus Bridge	Jack	Q-Plus Bridge	Jack
	Pass	Pass	1ª
2§	3§^(1)	Dbl	4§
Pass	4ª	5§	6ª
All Pass

West	North	East	South
Jack	Q-Plus Bridge	Jack	Q-Plus Bridge
	Pass	Pass	1ª
2§	3ª^(1)	Pass	4§
Pass	4¨	Pass	6ª
All Pass

⁽¹⁾ limit raise

Both West robots resisted doubling. And both declarers made +1430 after taking the heart finesse.

West	North	East	South
Sabrina	Wbridge5	Sabrina	Wbridge5
	Pass	Pass	1ª
2§	3§	Pass	3©
Pass	4ª	Pass	4NT
Pass	5¨	Pass	6ª
Dbl	All Pass

In the Wbridge5 versus Sabrina match, Wbridge5 bid and made 6ªx for +1660 and 18 Imps when Sabrina allowed Wbridge5 to make a partial in clubs.

In the Meadowlark Bridge versus Blue Chip Bridge match, Meadowlark opened 4ª and made 6 for +680. Blue Chip Bridge opened 1ª but North only raised to 2ª over 2§ and Blue Chip Bridge stopped in 4ª for, +680.