World Computer-Bridge Championship, IX
Estoril, Portugal
October 25 - 30, 2005

six of the best playing programs from around the world competed in the 2005 Championships
see entries and their websites

2005 Conditions of Contest

WBridge5 defeats Jack for the world computer-bridge title.

WBridge5 won this year's championship with a final 64-board KO score of 136-67, unseating the four-time world champion Jack.  

Finals: For complete play, click on board numbers

  1-16 17-32 33-48 49-64 Total
Jack 27 17 4 19 67
Wbridge5 31 14 41 50 136

BridgeBase Online Broadcast of final 16 Boards (49-64)

Round Robin Results

Final round robin standing:

Round Robin Final Standing VPs Position
JACK 111 1
Wbridge5  91 2
Q-Plus Bridge  83 3
Micro Bridge  70 4
Bridge Baron  48 5
Blue Chip Bridge  37 6

Complete round robin results

Round Robin: 6 Teams / 5 Rounds

40-board round robin, played in two segments,
with the top two robot teams advancing to a 64-board final KO starting on October 29

IMP score of first round robin segment (first 20-boards of 40-board matches)

Tuesday, October 25

First 20-board round

JACK vs. Q-Plus Bridge 62-15

Micro Bridge vs. Bridge Baron 72-42

Wbridge5 vs. Blue Chip Bridge 76-34

Second round

Bridge Baron vs. Blue Chip Bridge 58-43

JACK vs. Micro Bridge 42-33

Wbridge5 vs. Q-Plus Bridge 65-43

Wednesday, October 26

Third round

Q-Plus Bridge vs. Bridge Baron 40-35

Micro Bridge vs. Blue Chip Bridge 48-4

Wbridge5 vs. JACK 34-10

Fourth round

Wbridge5 vs. Bridge Baron 97-7

Micro Bridge vs. Q-Plus Bridge 35-21

JACK vs. Blue Chip Bridge 110-17

Fifth round

JACK vs. Bridge Baron 62-28

Wbridge5 vs. Micro Bridge 58-25

Q-Plus Bridge vs. Blue Chip Bridge 73-18 

After the first half of each 40-board round robin match, Wbridge5 led in all five matches, and had a slight projected overall lead (101 VPs) over JACK (95 VPs).
Micro Bridge (82 VPs) and Q-Plus Bridge (72 VPs) were within striking distance,
followed by Bridge Baron (55) and Blue Chip Bridge (41). 

Second 20-board segment was played on October 27-28
Complete round robin results follow.

 
Team vs.

Team

JACK

Bridge Baron

Wbridge5

Micro Bridge

Q-Plus Bridge

Blue Chip Bridge

 VPs position

JACK

 

 x 62-28
55-25
117-53

24 VP

 10-34
40-23
50-57

14 VP

 42-33
60-15
102-48

23 VP

 62-15
54-25
116-40

25 VP

 110-17
53-20
163-37

25 VP

 111 1

Bridge Baron

 28-62
25-55
53-117

6 VP

 x 7-97
62-33
69-130

6 VP

 42-72
25-16
67-88

12 VP

 35-40
21-58
56-98

9 VP

 58-43
35-53
93-96

15 VP

 48 5

Wbridge5

 34-10
23-40
57-50

16 VP

 97-7
33-62
130-69

24 VP

 x 58-25
69-63
89-73

20 VP

 65-43
24-30
89-73

17 VP

 76-34
34-82
110-116

14 VP

 91 2

Micro Bridge

33-42
15-60
148-102

7 VP

 72-42
16-25
88-67

18 VP

 25-58
63-69
88-127

10 VP

 x 35-21
45-91
80-112

11 VP

 48-4
56-36
104-40

24 VP

 70 4

Q-Plus Bridge

15-62
25-54
40-116

5 VP

 40-35
58-21
98-56

21 VP

 43-65
30-24
73-89

13 VP

 21-35
91-45
112-80

19 VP

 x 73-18
103-23
176-23

25 VP

 83 3

Blue Chip Bridge

 17-110
20-53
37-163

0 VP

 43-58
53-35
96-93

15 VP

 34-76
82-34
116-110

16 VP

 4-48
36-56
40-104

6 VP

 18-73
23-103
41-176

0 VP

 x 37 6