2008 World Computer-Bridge Championship
July 20-25, 2008

held at the Las Vegas summer American Contract Bridge League's North American Bridge Championship

Under the auspices of the ACBL

Recognized and supported by the ACBL and WBF

North American Youth Bridge Foundation, 2008 and past sponsor

 

Wbridge5 captures 2008 World Computer-Bridge Championship

Wbridge5 successfully defended its title, defeating Jack in the final KO, 172-157. Congratulations to Yves Costel, the developer of Wbridge5

Photos

2008 entered Robots

2008 Convention Cards

 

SOME INTERESTING HANDS, ARTICLES AND ANALYSIS

some statistics and comments on strength of play

Final KO at a glance... a look at the swing boards

New York Times bridge column, by Phillip Alder, August 18, 2008 

Upcoming Bridge Bulletin short article, unabridged

Draft of International Computer Games Association Journal article

Some Interesting Hands

How Robots Play

 

Individual Event

Individual Standard Convention Card

Shark Bridge won the first Individual event.  Congratulations to John Norris, the developer of Shark Bridge.

 

World Computer-Bridge Championship, XII

Round Robin top four advance to semifinals

Semifinals

Finals

 

Round Robin
32-board Round Robin scored on International 30-VP scale

The top four finishers advancing to the knockout stage, in order of finish, were five-time champion Jack, Shark Bridge, defending champion Wbridge5 and Micro Bridge.  Out of the money, in order of finish, were Q-Plus Bridge, Bridge Baron and RoboBridge.  Micro Bridge and Q-Plus Bridge played the last round for the final playoff birth, with Micro Bridge needing a 19-11 VP win to advance. Micro Bridge won 23-7. 

The semifinal matches pitted Jack against Micro Bridge with a 16 Imp carryover for Jack and Shark Bridge against Wbridge5 with no carryover.  Jack defeated Micro Bridge, 166-112 and Wbridge5 defeated Shark Bridge.  Jack took an 18 Imp carryover into the finals against Wbridge5.  Wbridge5 repeated as champion, defeating Jack in the finals, 172-157.

Round Robin results by round

Round 1: Shark defeated Bridge Baron, 102-30; Micro Bridge defeated RoboBridge, 89-71; Jack defeated Q-Plus Bridge, 129-25.

Round 2: Shark Bridge defeated Micro Bridge, 108-46; Jack defeated RoboBridge, 151-35; Wbridge5 defeated Q-Plus Bridge, 86-70.

Round 3: Jack defeated Shark Bridge, 69-50; Micro Bridge defeated Bridge Baron,77-58; Wbridge5 defeated RoboBridge, 108-66.

Round 4: Wbridge5 defeated Shark Bridge, 115-52; Jack defeated Bridge Baron 99-30; Q-Plus Bridge defeated RoboBridge, 167-56.

Round 5: Jack defeated Micro Bridge, 83-31; Bridge Baron defeated Wbridge5, 82-79; Q-Plus Bridge defeated Shark Bridge, 87-83.

Round 6: Shark Bridge defeated RoboBridge, 117-52; Wbridge5 defeated Micro Bridge, 66-58; Q-Plus Bridge defeated Bridge Baron, 78-63.

Round 7: Bridge Baron defeated RoboBridge 95-52; Micro Bridge defeated Q-Plus Bridge 90-39; Jack defeated Wbridge5, 98-44.

 

Round Robin matches

Team vs. Team

Shark Bridge

Bridge Baron

Micro Bridge

Jack

Wbridge5

Q-Plus Bridge

RoboBridge

Total

Position

Shark Bridge

IMPs

bye rd 7

VPs  15

102-30

rd 1

25-4

108-46

rd 2

25-5

50-69

rd 3

12-18

52-115

rd 4

5-25

87-83

rd5

16-14

117-52

rd 6

25-5

123

 

(Q-2)

Bridge Baron

30-102

rd 1

4-25

IMPs

bye rd 2 

VPs  15

58-77

rd 3

12-18

30-99

rd 4

5-25

82-79

rd 5

15-15

63-78

rd 6

13-17

95-52

rd 7

22-8 

85

 

(6)

Micro Bridge

46-108

rd 2

5-25

77-58

rd 3

18-12

IMPs

bye rd 4

VPs  15

31-83

rd 5

7-23

58-66

rd 6

14-16

90-39

rd 7

23-7

89-71

rd 1

18-12

100

 

(Q-4)

Jack

69-50

rd 3

18-12

99-30

rd 4

25-4

83-31

rd 5

23-7

IMPs

bye rd 6

VPs  15

98-44

rd  7

24-6

129-25

rd 1

25-0

151-35

rd 2

25-0

155

 

(Q-1)

Wbridge5

115-52

rd 4

25-5

79-82

rd 5

15-15

66-58

rd 6

16-14

44-98

rd 7

6-24

IMPs

bye rd 1

VPs  15

86-70

rd 2

17-13

108-66

rd 3

22-8

116

 

(Q-3)

Q-Plus Bridge

83-87

rd 5

14-16

78-63

rd 6

17-13

39-90

rd 7

7-23

25-129

rd 1

0-25

70-86

rd 2

13-17

IMPs

bye rd 3

VPs  15

167-56

rd 4

25-0

91

 

(5)

RoboBridge

52-117

rd 6

5-25

52-95

rd 7

8-22

71-89

rd 1

12-18

35-151

rd 2

0-25

66-108

rd 3

8-22

56-167

rd 4

0-25

IMPs

bye rd 5

VPs  15

48

 

(7)

    

 

Semifinals

 

carryover

1-16

17-32

33-48

49-64

Total

 Jack

16

40

55

7

48

166

 Micro Bridge

 

 26

14

 32

 40

112

 

 

carryover

1-16

17-32

33-48

49-64

Total

 Shark Bridge

0

23

49

23

26

121

 Wbridge5

0

29

39 

20

51

139

 

 

 Final

 

carryover

1-16

17-32

33-48

49-64

Total

Jack

18

27

26

40

46

157

Wbridge5

 

42

55

39

36

172

 

 

 

The two-table, 8-robot, 112-board Individual event

Robot

56 Average

%

1

Shark Bridge

59.5

53.13%

2

Bridge Baron

57.5

51.34%

3/4

Micro Bridge

56.5

50.45%

3/4

Q-Plus Bridge

56.5

50.45%

5

Wbridge5

55.5

49.55%

6/7

Jack

54.5

48.66%

6/7

Blue Chip Bridge

54.5

48.66%

8

RoboBridge

53.5

47.77%

 

 

 

 

last updated: September 10, 2008

 

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