Four-Deal Bridge
Scoring for the "open room" is calculated by the app.
Vulnerability rules
Chicago 4 boards/rubber |
|
Cavendish 4 boards per rubber |
Board |
Dealer |
Vul. |
|
Board |
Dealer |
Vul. |
1 |
N |
None |
|
1 |
N |
None |
2 |
E |
E-W |
|
2 |
E |
N-S |
3 |
S |
N-S |
|
3 |
S |
E-W |
4 |
W |
All |
|
4 |
W |
All |
Cavendish n boards per rubber |
Board |
Dealer |
Vul. |
|
Board |
Dealer |
Vul. |
1 |
N |
None |
|
9 |
N |
E-W |
2 |
E |
N-S |
|
10 |
E |
All |
3 |
S |
E-W |
|
11 |
S |
None |
4 |
W |
All |
|
12 |
W |
N-S |
5 |
N |
N-S |
|
13 |
N |
All |
6 |
E |
E-W |
|
14 |
E |
None |
7 |
S |
All |
|
15 |
S |
N-S |
8 |
W |
None |
|
16 |
W |
E-W |
The scheme is repeated in the subsequent set of 16 (i.e. on boards numbered 17-32).
No "closed room"
- Result of the rubber is calculated only by the score of the boards played.
- Additionally, the boards can be analyzed by the "Dummy Double Solver". (You have to enter all cards for all four hands).
Simulation of a "Team Tournament"
Scoring for the "closed room" is calculated by the app.
- Score for the "closed room" is the "optimum" bid calculated by the "Double Dummy Solver".
- All cards for the four hands are required.
- You are competing with "perfect" players in the "closed room".
Enter game contract & result
To calculate the score for the "open room".
Board hands are required when score is compared to closed room - simulating a team tournament.
- Board is analyzed based on Bo Haglund's "Double Dummy Solver".
- The result of this analysis is used to score the "closed room".
The app uses Bo Haglund's "Double Dummy Solver" to calculate
- the possible results of the board for
- each player direction
- and for each suit
- and the "optimum" bid for this board.