Simulation 8Z19 Main
Stayman or Not II
by Richard PavlicekSimulation 8Z19 Main |
| by Richard Pavlicek |
[First read Stayman or Not?]
My first simulation gave responder a stopper in every suit, obviously a definite edge for succeeding in notrump. Now suppose one of the suits is unstopped, changing the hand slightly to:
| West | NORTH 1 NT | East Pass | South ? | You (South) |
 J 7 4 3 Q 10 4 8 7 6 A K 2 |
Should you use Stayman? Or bid 3 NT directly?
For a simulation I created 10,000 random deals with the South hand fixed. North: 15-17 HCP; balanced; 4-5 spades (if 5 spades, doubleton must be J-x or better). Further, East was constrained not to have any appropriate action (bid or double) over 1 NT; and West not to have extreme shape (freakness 6+) with 7+ playing tricks.
Results are shown below. Trick Average shows the average number of tricks won by declarer. Make Percent shows how often the contract is made (including with overtrick) and Overtrick Percent how often an overtrick is made. The second table compares the bids directly, with the better choice leftmost. Net W-L (matchpoints or board-a-match verdict) counts +1 for a win and -1 for a loss. Net Score and Net IMPs are calculated twice, first with declarer nonvul (green) then with declarer vul (red). Plus values show the net gain over 10,000 deals.
At total points or IMPs, 3 NT is still the clear winner, though the margin is reduced. At Won-Lost, however, the edge goes to 4 , obviously due to the frequent scoring pip (e.g., 420 vs. 400) but I am not convinced to change my practice, because 70 percent of the time opener will not have four spades, and the information revealed will decrease your chances to make 3 NT. Follow-up: Stayman or Not III.
| Contract | Trick Average | Make Percent | Overtrick Percent |
|---|---|---|---|
| 3 NT N | 8.7507 | 59.48 | 20.32 |
| 4 N | 9.5434 | 52.17 | 13.34 |
| Comparison | Net W-L | Net Score | Net IMPs | Net Score | Net IMPs |
|---|---|---|---|---|---|
| 3 NT N vs. 4 N | -390 | +269270 | +4668 | +463020 | +6396 |
Below are 100 of the 10,000 deals, including the first 20, last 20, and 60 in-between with the greatest IMP gains (30 for each option). Numbers after each contract show the tricks won by declarer with double-dummy play all-around. A plus sign indicates the best result.
| 1. | A K 10 6 A K 9 3 Q J 5 7 3
| |
| 9 8 5 2 8 6 A K 10 4 Q 10 9 | 
| Q J 7 5 2 9 3 2 J 8 6 5 4
|
| 3 NT N → 10 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2. | A Q 9 6 A 8 7 5 K Q 4 Q 3
| |
| K K 2 A 10 5 3 2 8 7 6 5 4 |
| 10 8 5 2 J 9 6 3 J 9 J 10 9
|
| 3 NT N → 11 + 4 N → 11
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 3. | K Q 8 5 A 6 K J 5 2 Q J 7
| |
| 2 J 9 7 3 2 Q 3 10 8 6 4 3 |
| A 10 9 6 K 8 5 A 10 9 4 9 5
|
| 3 NT N → 9 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4. | K Q 10 8 K 7 A J 2 Q J 9 3
| |
| A 2 A 9 8 Q 10 5 4 3 10 8 6 |
| 9 6 5 J 6 5 3 2 K 9 7 5 4
|
| 3 NT N → 9 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5. | A Q 10 6 7 5 2 A K 9 Q J 8
| |
| 9 8 5 A K J J 5 2 10 9 7 3 |
| K 2 9 8 6 3 Q 10 4 3 6 5 4
|
| 3 NT N → 8 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6. | A K Q 10 2 A 6 3 A 10 8 5 3
| |
| 6 J 7 2 K 9 Q J 10 9 7 6 4 |
| 9 8 5 K 9 8 5 Q J 5 4 3 2 —
|
| 3 NT N → 10 + 4 N → 10
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7. | A 10 9 5 A 8 2 A K 3 2 Q 3
| |
| K 6 2 9 5 3 Q 10 9 4 10 8 6 |
| Q 8 K J 7 6 J 5 J 9 7 5 4
|
| 3 NT N → 10 + 4 N → 10
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 8. | K Q 10 6 A K 2 A J 9 5 5 3
| |
| 8 2 9 7 6 K Q 10 4 2 8 7 6 |
| A 9 5 J 8 5 3 3 Q J 10 9 4
|
| 3 NT N → 10 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9. | K Q 5 2 K J 2 A K 10 4 9 6
| |
| 6 A 5 Q J 5 3 2 J 7 5 4 3 |
| A 10 9 8 9 8 7 6 3 9 Q 10 8
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 10. | A 10 8 2 A K 5 3 K 10 Q 8 3
| |
| K 9 6 J 9 8 7 9 4 3 2 7 4 |
| Q 5 6 2 A Q J 5 J 10 9 6 5
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 11. | A K 10 2 A 7 A 5 4 2 6 4 3
| |
| 8 5 J 8 6 3 2 Q J 10 9 Q 10 |
| Q 9 6 K 9 5 K 3 J 9 8 7 5
|
| 3 NT N → 8 + 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 12. | A K 8 5 A J Q 5 3 2 Q J 3
| |
| Q 6 2 K 9 5 K J 10 4 7 6 4 |
| 10 9 8 7 6 3 2 A 9 10 9 8 5
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 13. | K Q 8 2 A 5 2 A K J 10 5 4
| |
| A 10 K J 9 6 9 4 Q J 7 6 3 |
| 9 6 5 8 7 3 Q 10 5 3 2 9 8
|
| 3 NT N → 9 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 14. | A K 10 8 5 K 9 5 A 2 Q 10 4
| |
| Q 9 6 2 J 6 K Q 9 5 J 9 3 |
| — A 8 7 3 2 J 10 4 3 8 7 6 5
|
| 3 NT N → 9 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 15. | Q 10 9 8 A K 7 3 A J J 7 5
| |
| A 5 J 8 6 5 2 K 4 10 9 8 3 |
| K 6 2 9 Q 10 9 5 3 2 Q 6 4
|
| 3 NT N → 7 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 16. | A K 8 2 A 7 3 A J 5 3 10 5
| |
| 10 9 6 K 8 6 K 10 4 2 Q J 7 |
| Q 5 J 9 5 2 Q 9 9 8 6 4 3
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 17. | A Q 6 5 A K 9 Q 9 2 10 9 4
| |
| K 2 J 7 6 5 K J 5 3 Q 6 5 |
| 10 9 8 8 3 2 A 10 4 J 8 7 3
|
| 3 NT N → 9 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 18. | Q 9 8 2 A K 2 K Q J J 10 4
| |
| K 10 5 8 6 5 9 3 Q 9 8 7 3 |
| A 6 J 9 7 3 A 10 5 4 2 6 5
|
| 3 NT N → 7 + 4 N → 8 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 19. | K Q 10 2 A 5 A Q 10 3 10 8 6
| |
| A 8 5 8 6 3 2 K 9 5 2 J 5 |
| 9 6 K J 9 7 J 4 Q 9 7 4 3
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 20. | A K 6 5 K 9 2 A K 4 9 6 4
| |
| 10 9 2 J 3 9 5 3 2 J 8 7 3 |
| Q 8 A 8 7 6 5 Q J 10 Q 10 5
|
| 3 NT N → 10 + 4 N → 10
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 54. | A Q 8 2 K J 6 K Q 4 9 5 4
| |
| K 10 A 9 8 7 5 3 J 3 J 10 3 |
| 9 6 5 2 A 10 9 5 2 Q 8 7 6
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 113. | A K Q 10 A 9 J 10 9 3 Q 6 4
| |
| 8 6 5 2 J 8 5 2 A K Q 5 2 — |
| 9 K 7 6 3 4 J 10 9 8 7 5 3
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 418. | K Q 6 2 A K 9 2 5 2 Q J 6
| |
| 9 8 5 J 8 5 3 A K Q 10 7 3 |
| A 10 7 6 J 10 9 4 3 9 8 5 4
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 504. | A Q 9 5 K J K Q J 10 J 9 8
| |
| K 10 6 A 7 6 A 9 5 4 3 7 3 |
| 8 2 9 8 5 3 2 2 Q 10 6 5 4
|
| 3 NT N → 11 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 593. | K 9 8 5 A 3 A K Q 10 9 7 3
| |
| Q 10 6 2 K J 5 2 Q J 6 5 4 |
| A 9 8 7 6 2 J 10 9 5 4 3 8
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 897. | A Q 6 2 A 9 5 3 Q J 10 Q 8
| |
| 10 5 8 7 2 K 5 4 3 2 9 7 6 |
| K 9 8 K J 6 A 9 J 10 5 4 3
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 1098. | A K 6 2 A K 7 3 J 9 J 9 3
| |
| 8 5 J 9 6 A 5 Q 10 8 6 5 4 |
| Q 10 9 8 5 2 K Q 10 4 3 2 7
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 1176. | K Q 6 5 2 K J 9 K 3 Q J 7
| |
| A 10 8 7 6 5 3 2 A Q 10 6 5 |
| 9 A 8 J 10 9 5 4 2 9 8 4 3
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 1486. | A K Q 10 A K 9 2 J 10 10 8 7
| |
| 9 5 8 5 A K 9 3 2 Q 5 4 3 |
| 8 6 2 J 7 6 3 Q 5 4 J 9 6
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 1772. | K Q 8 5 A K 9 J 4 Q 8 6 5
| |
| A 2 J 3 2 A K Q 5 3 2 9 7 |
| 10 9 6 8 7 6 5 10 9 J 10 4 3
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 1832. | A 10 9 6 A K J 2 Q 10 2 J 5
| |
| K 5 2 — K J 9 4 3 Q 8 7 6 3 |
| Q 8 9 8 7 6 5 3 A 5 10 9 4
|
| 3 NT N → 9 + 4 N → 6
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 1959. | K Q 6 5 2 A K 6 J 10 Q 10 7
| |
| A J 9 7 5 3 9 4 J 9 6 4 3 |
| 10 9 8 8 2 A K Q 5 3 2 8 5
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2020. | A K Q 5 K 9 7 2 K 9 2 J 10
| |
| 10 6 2 A 8 6 5 3 J Q 9 8 6 |
| 9 8 J A Q 10 5 4 3 7 5 4 3
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2199. | A Q 10 5 8 3 A Q J Q 10 9 7
| |
| K 2 A J 9 6 2 K 10 4 6 5 4 |
| 9 8 6 K 7 5 9 5 3 2 J 8 3
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2286. | K Q 6 5 A K J 7 Q 5 8 6 4
| |
| A 8 8 3 2 K J 9 4 3 2 9 5 |
| 10 9 2 9 6 5 A 10 Q J 10 7 3
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2410. | A Q 10 2 A 8 A 9 4 J 8 6 3
| |
| K 9 8 6 5 J K Q 10 5 2 5 4 |
| — K 9 7 6 5 3 2 J 3 Q 10 9 7
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 2929. | K Q 10 8 A 9 8 K Q Q 6 4 3
| |
| A 2 K 6 2 A J 10 4 3 2 J 8 |
| 9 6 5 J 7 5 3 9 5 10 9 7 5
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 3073. | A K Q 10 5 K J 8 K 4 10 5 3
| |
| 8 2 A 9 7 6 3 2 Q Q 9 7 4 |
| 9 6 5 A J 10 9 5 3 2 J 8 6
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 3689. | A K 10 2 J 5 3 K Q 9 4 Q 10
| |
| Q 8 5 K 7 A J 10 5 2 J 7 3 |
| 9 6 A 9 8 6 2 3 9 8 6 5 4
|
| 3 NT N → 10 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4106. | A 10 6 5 A J 6 K J 4 Q 10 7
| |
| K Q 9 2 7 A 10 5 2 J 6 5 3 |
| 8 K 9 8 5 3 2 Q 9 3 9 8 4
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 4185. | K Q 10 6 6 5 3 A K Q J 6 4
| |
| 5 A K 7 2 9 5 4 9 8 7 5 3 |
| A 9 8 2 J 9 8 Q J 10 3 2 10
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4215. | K Q 6 2 K 7 6 A K 5 9 7 4
| |
| A 10 8 Q 10 9 3 Q J 10 8 6 5 |
| 9 8 5 A J 9 5 3 2 J 4 2 3
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4293. | A 10 6 5 A K 9 5 K Q 10 5 3
| |
| K 9 8 8 3 2 J 10 5 9 8 6 4 |
| Q 2 J 7 6 A 9 4 3 2 Q J 7
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4413. | A K 9 2 A K 6 Q 9 10 9 8 5
| |
| Q 8 J 9 5 K J 10 5 4 3 7 4 |
| 10 6 5 8 7 3 2 A 2 Q J 6 3
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4424. | A K 9 5 J 3 A Q 3 Q 10 9 8
| |
| Q 10 8 6 K 8 7 2 9 5 2 7 5 |
| 2 A 9 6 5 K J 10 4 J 6 4 3
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4676. | K 8 6 2 A K 2 K Q 5 J 8 7
| |
| — J 9 7 5 3 A 10 4 3 2 9 6 5 |
| A Q 10 9 5 8 6 J 9 Q 10 4 3
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4779. | A Q 10 5 K 3 2 K Q 4 Q 10 8
| |
| K 8 6 A J 8 7 6 5 2 9 7 3 |
| 9 2 9 A J 10 9 5 3 J 6 5 4
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4945. | A K Q 8 8 3 K Q 4 2 Q 8 5
| |
| 10 6 2 A J 9 A 5 3 10 9 4 3 |
| 9 5 K 7 6 5 2 J 10 9 J 7 6
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 4968. | Q 6 5 2 A K A Q 9 Q 10 9 6
| |
| A K 10 9 8 9 8 5 10 5 4 3 4 |
| — J 7 6 3 2 K J 2 J 8 7 5 3
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5146. | A K 6 2 A K 8 3 10 2 Q 10 3
| |
| Q 8 J 9 5 2 J 9 5 8 6 5 4 |
| 10 9 5 7 6 A K Q 4 3 J 9 7
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 5417. | A Q 10 8 K 8 K J 9 4 Q 10 4
| |
| — A J 6 3 A 3 2 J 9 7 6 5 3 |
| K 9 6 5 2 9 7 5 2 Q 10 5 8
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5666. | A K 10 6 A 8 7 K J Q 10 8 3
| |
| Q 9 5 K 6 5 3 2 10 5 4 3 2 — |
| 8 2 J 9 A Q 9 J 9 7 6 5 4
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5683. | K 10 9 6 A K 9 5 A 2 Q 7 5
| |
| A Q 8 8 7 K 9 3 10 8 6 4 3 |
| 5 2 J 6 3 2 Q J 10 5 4 J 9
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5872. | K 9 8 5 A 8 7 2 K Q 5 Q J
| |
| A Q 10 6 2 6 A 4 3 2 8 7 3 |
| — K J 9 5 3 J 10 9 10 9 6 5 4
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 5943. | A K Q 9 6 K 9 3 J 2 Q 9 4
| |
| 10 A J 8 7 6 K 3 10 8 7 6 3 |
| 8 5 2 5 2 A Q 10 9 5 4 J 5
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6026. | A K 9 8 6 5 A K 5 Q J 10 7
| |
| Q 2 K J 3 J 10 4 3 6 5 4 3 |
| 10 6 5 A 9 8 7 2 Q 9 2 9 8
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6028. | A K Q 9 K J 3 J 9 Q J 9 5
| |
| 10 8 5 2 A 2 A 2 10 8 7 6 4 |
| 6 9 8 7 6 5 K Q 10 5 4 3 3
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6244. | A K Q 8 K J 7 3 Q 4 Q 6 3
| |
| 10 5 2 8 5 2 K J 10 9 3 2 10 |
| 9 6 A 9 6 A 5 J 9 8 7 5 4
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6387. | A K Q 10 K J 8 7 J 10 Q J 5
| |
| 6 9 3 2 A K Q 5 4 3 8 7 3 |
| 9 8 5 2 A 6 5 9 2 10 9 6 4
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6427. | K Q 8 6 2 K 6 5 K Q Q 10 7
| |
| A 10 5 A 8 7 3 2 4 2 8 5 3 |
| 9 J 9 A J 10 9 5 3 J 9 6 4
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 6455. | K Q 10 2 K 8 2 A 3 Q J 8 4
| |
| A 9 8 A 6 5 3 5 4 2 6 5 3 |
| 6 5 J 9 7 K Q J 10 9 10 9 7
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6515. | A 8 6 5 A 7 5 3 A Q 9 Q 9
| |
| Q K J 8 10 5 4 3 2 J 8 6 4 |
| K 10 9 2 9 6 2 K J 10 7 5 3
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6710. | A K Q 5 2 A 3 Q 9 3 Q 10 8
| |
| 9 6 J 9 8 7 6 5 A K 10 5 4 — |
| 10 8 K 2 J 2 J 9 7 6 5 4 3
|
| 3 NT N → 10 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 6729. | K Q 6 2 A K 7 K 9 Q 7 5 3
| |
| A 10 5 J 9 6 3 2 4 3 10 9 4 |
| 9 8 8 5 A Q J 10 5 2 J 8 6
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7029. | A K Q 10 6 K 8 6 J 3 Q J 8
| |
| 8 5 2 A 7 3 2 K 9 7 5 4 3 |
| 9 J 9 5 A Q 10 5 4 2 10 9 6
|
| 3 NT N → 6 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7451. | K Q 6 2 K J 5 A 9 3 2 Q 7
| |
| A 10 8 7 K J 10 J 10 9 8 5 3 |
| 9 5 A 9 8 6 3 2 Q 5 4 6 4
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7569. | K 10 8 5 A K 7 6 A Q J 7 5
| |
| 9 6 8 3 2 K 9 5 4 3 10 4 3 |
| A Q 2 J 9 5 J 10 2 Q 9 8 6
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7729. | K Q 8 2 K J 6 A J Q 8 7 6
| |
| 9 9 5 3 2 K Q 10 5 4 10 5 4 |
| A 10 6 5 A 8 7 9 3 2 J 9 3
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7828. | A K 6 2 A 9 8 A 5 4 Q 9 4
| |
| Q 10 9 8 5 5 3 K Q J 9 3 3 |
| — K J 7 6 2 10 2 J 10 8 7 6 5
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 7940. | A Q 8 6 2 K 9 5 Q J 2 Q J
| |
| K 9 5 6 A K 10 9 5 3 10 4 3 |
| 10 A J 8 7 3 2 4 9 8 7 6 5
|
| 3 NT N → 10 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 8072. | A K Q 8 A J 8 6 J 4 Q 8 4
| |
| 10 9 6 2 K 9 3 K 10 9 5 2 3 |
| 5 7 5 2 A Q 3 J 10 9 7 6 5
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 8152. | A K 8 5 K J 5 K 5 3 Q 9 4
| |
| 10 6 2 6 Q J 9 2 10 8 6 5 3 |
| Q 9 A 9 8 7 3 2 A 10 4 J 7
|
| 3 NT N → 9 + 4 N → 6
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 8831. | A K 5 2 A K J 8 Q 5 10 8 7
| |
| Q 8 6 9 3 2 9 2 Q 9 6 5 3 |
| 10 9 7 6 5 A K J 10 4 3 J 4
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9006. | K Q 10 2 A K 8 7 Q 4 Q 4 3
| |
| A 9 6 5 J 6 5 J 10 3 J 10 5 |
| 8 9 3 2 A K 9 5 2 9 8 7 6
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9014. | A K 10 5 J 6 5 A Q 10 J 9 8
| |
| 8 6 2 9 3 K 5 4 2 Q 5 4 3 |
| Q 9 A K 8 7 2 J 9 3 10 7 6
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9340. | A K 9 5 K 9 8 K Q J 3 8 7
| |
| 10 2 A J 7 6 5 3 — J 9 6 4 3 |
| Q 8 6 2 A 10 9 5 4 2 Q 10 5
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9602. | A K 10 2 A J Q 9 5 2 Q 9 3
| |
| Q 5 8 7 6 A 4 J 10 8 6 5 4 |
| 9 8 6 K 9 5 3 2 K J 10 3 7
|
| 3 NT N → 9 + 4 N → 8
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9748. | A Q 9 5 A 7 6 K Q 9 5 7 5
| |
| K 6 2 — A J 10 3 2 Q 9 8 6 3 |
| 10 8 K J 9 8 5 3 2 4 J 10 4
|
| 3 NT N → 9 + 4 N → 7
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9847. | K Q 9 6 A K 8 5 K 3 J 5 4
| |
| 10 8 9 3 2 A 10 9 5 2 8 6 3 |
| A 5 2 J 7 6 Q J 4 Q 10 9 7
|
| 3 NT N → 8 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9965. | A K Q 10 2 K 7 3 J 5 Q 9 4
| |
| 9 6 5 A 6 2 A K 4 J 8 7 5 |
| 8 J 9 8 5 Q 10 9 3 2 10 6 3
|
| 3 NT N → 7 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 9981. | A K Q 5 J 8 6 K 2 Q 9 8 6
| |
| 10 2 A K 9 7 5 10 5 J 10 5 3 |
| 9 8 6 3 2 A Q J 9 4 3 7 4
|
| 3 NT N → 5 4 N → 8 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9982. | A K 8 6 A K 2 J 9 5 3 9 3
| |
| Q 2 J 9 6 3 A K 10 4 8 5 4 |
| 10 9 5 8 7 5 Q 2 Q J 10 7 6
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9983. | K Q 9 5 K J 8 A Q 9 4 8 4
| |
| 10 A 7 6 5 2 J 10 5 2 J 9 3 |
| A 8 6 2 9 3 K 3 Q 10 7 6 5
|
| 3 NT N → 8 + 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9984. | A Q 10 8 K 3 A J 4 3 J 10 4
| |
| K 9 J 8 7 6 5 2 5 9 8 7 6 |
| 6 5 2 A 9 K Q 10 9 2 Q 5 3
|
| 3 NT N → 10 + 4 N → 10
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9985. | A K 10 9 2 A 5 K Q 10 9 8 3
| |
| 6 5 9 8 7 6 A J 4 3 Q J 6 |
| Q 8 K J 3 2 9 5 2 10 7 5 4
|
| 3 NT N → 10 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9986. | A Q 10 9 J 7 A K J 10 J 9 4
| |
| K 8 6 5 2 A K 8 6 3 3 2 5 |
| — 9 5 2 Q 9 5 4 Q 10 8 7 6 3
|
| 3 NT N → 9 + 4 N → 9
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9987. | A K 5 2 A J 7 K 3 J 8 5 4
| |
| 10 9 8 3 2 Q J 9 10 9 7 6 3 |
| Q 9 8 6 K 6 5 A 10 5 4 2 Q
|
| 3 NT N → 8 + 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9988. | A Q 10 2 A J 9 2 A Q 10 9 5
| |
| K 6 5 K 7 6 5 3 K 9 3 Q 8 |
| 9 8 8 J 5 4 2 J 10 7 6 4 3
|
| 3 NT N → 12 + 4 N → 12
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9989. | A Q 8 5 A K 9 Q J 2 8 6 5
| |
| 10 9 6 J 8 6 A 5 3 Q 9 7 3 |
| K 2 7 5 3 2 K 10 9 4 J 10 4
|
| 3 NT N → 8 + 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9990. | A 10 8 5 A J 8 A 10 3 Q 6 3
| |
| Q 9 6 7 6 5 3 2 K J 8 7 5 |
| K 2 K 9 Q 9 5 4 2 J 10 9 4
|
| 3 NT N → 8 + 4 N → 9 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
| 9991. | K 10 8 5 K 6 5 A K J 3 J 9
| |
| Q 9 2 A 8 7 3 Q 9 5 2 10 5 |
| A 6 J 9 2 10 4 Q 8 7 6 4 3
|
| 3 NT N → 10 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9992. | A Q 9 8 A 9 A J 10 4 10 8 4
| |
| 6 2 K 8 6 3 K Q 9 3 9 7 5 |
| K 10 5 J 7 5 2 5 2 Q J 6 3
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9993. | A Q 5 2 A 9 K Q J 4 10 6 4
| |
| K 10 9 K J 7 6 9 3 Q J 7 3 |
| 8 6 8 5 3 2 A 10 5 2 9 8 5
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9994. | A Q 10 8 K J 6 A J 10 Q 9 5
| |
| K 9 8 3 2 Q 9 5 4 2 10 8 7 |
| 6 5 2 A 9 7 5 K 3 J 6 4 3
|
| 3 NT N → 11 + 4 N → 11
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9995. | A K 10 9 K 8 7 K Q J 10 J 9
| |
| 8 6 2 J 9 2 A 9 2 Q 7 6 4 |
| Q 5 A 6 5 3 5 4 3 10 8 5 3
|
| 3 NT N → 9 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9996. | A 10 9 6 A J 5 A Q 4 2 8 5
| |
| K Q K 9 8 2 J 10 5 3 Q J 10 |
| 8 5 2 7 6 3 K 9 9 7 6 4 3
|
| 3 NT N → 10 4 N → 11 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9997. | A 9 6 2 A K A Q 9 10 8 7 3
| |
| K 8 5 J 9 7 3 2 10 5 3 Q J |
| Q 10 8 6 5 K J 4 2 9 6 5 4
|
| 3 NT N → 11 + 4 N → 11
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9998. | A Q 8 2 A 9 6 3 A K 9 4 3
| |
| 9 K J 7 5 J 5 3 Q J 10 7 5 |
| K 10 6 5 8 2 Q 10 9 4 2 8 6
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 9999. | A Q 9 8 6 K 7 3 K Q 5 Q J
| |
| 5 2 9 6 2 A J 9 3 8 7 6 4 |
| K 10 A J 8 5 10 4 2 10 9 5 3
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| 10000. | K 9 5 2 A K 8 7 K Q 3 9 5
| |
| A 10 6 6 5 2 A 5 4 10 6 4 3 |
| Q 8 J 9 3 J 10 9 2 Q J 8 7
|
| 3 NT N → 9 4 N → 10 +
| J 7 4 3 Q 10 4 8 7 6 A K 2 | |
| Simulation 8Z19 Main | | Top Stayman or Not II |
© 2019 Richard Pavlicek