JANSMA Aida · BERKSMA
vs par split: bidding -0.73 · play -0.09
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.97/bd
Card play — on target: opening leads 100.0% #1 of 31 · declarer play 82.4% #7 of 31 · defence 90.9% #15 of 31
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (8) |
| Declarer play | 100.0% (4) | 76.9% (13) |
| Defence | 66.7% (3) | 94.7% (19) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (3)
vs par by strain: NT -3.18 (11) · a suit -0.24 (45)
vs par by level: part-score +0.46 (22) · game -0.87 (31) · slam -9.67 (3)
By role: declaring -0.38/bd (-1.29 vs par · 34) · defending -1.97/bd (-0.09 vs par · 22)
By vulnerability: vulnerable -1.90/bd (-1.04 vs par · 28) · not vulnerable -0.11/bd (-0.61 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | J.Jansma | A.Miyakuni – K.Miyakuni | Open | 14 | -13.1 | -0.94 | +0.00 |
| Round of 16 | J.Jansma | K.Furuta – T.Nishimura | Closed | 14 | -5.2 | -0.37 | -2.21 |
| Quarterfinal | J.Jansma | M.Klukowski – J.Zmuda | Open | 14 | -14.2 | -1.01 | -0.14 |
| Quarterfinal | J.Jansma | M.Klukowski – J.Zmuda | Open | 14 | -23.9 | -1.71 | -0.93 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +8.6 | Round of 16 | TAKK | 27 | 5♠ | ♦J | = | +8 |
| +8.1 | Round of 16 | TAKK | 28 | 5♣ | ♥A | = | +7 |
| +5.3 | Round of 16 | TAKK | 9 | 4♥ | ♣Q | -2 | +3 |
| +4.6 | Quarterfinal | SAKR | 15 | 4♠ | ♦K | = | +11 |
| +3.7 | Quarterfinal | SAKR | 3 | 2♠ | ♣8 | = | +5 |
| +3.3 | Round of 16 | TAKK | 11 | 4♥ | ♠K | -1 | +6 |
| +3.3 | Quarterfinal | SAKR | 18 | 3NT | ♦Q | +1 | +0 |
| +2.9 | Round of 16 | TAKK | 12 | 3♠ | ♣4 | -1 | +10 |
| +2.9 | Round of 16 | TAKK | 18 | 6♠ | ♥10 | = | +0 |
| +1.7 | Quarterfinal | SAKR | 1 | 4♠ | ♥7 | +1 | +0 |
| +1.5 | Round of 16 | TAKK | 14 | 3♦ | ♠A | = | +6 |
| +1.4 | Quarterfinal | SAKR | 19 | 3NT | ♣3 | +1 | +0 |
| +1.3 | Round of 16 | TAKK | 24 | 2♠ | ♥6 | -1 | +2 |
| +1.3 | Quarterfinal | SAKR | 24 | 2♥ | ♦8 | = | +0 |
| +1.1 | Quarterfinal | SAKR | 14 | 3♦ | ♣Q | -1 | +2 |
| +0.9 | Quarterfinal | SAKR | 26 | 4♥ | ♦4 | +1 | +1 |
| +0.8 | Round of 16 | TAKK | 15 | 1NT | ♥5 | -1 | +3 |
| +0.5 | Round of 16 | TAKK | 10 | 2♥ | ♦A | = | +0 |
| +0.4 | Quarterfinal | SAKR | 6 | 1NT | ♦J | = | -1 |
| +0.3 | Round of 16 | TAKK | 3 | 4♥ | ♦Q | = | -11 |
| +0.3 | Round of 16 | TAKK | 16 | 4♠ | ♥A | -1 | -9 |
| +0.3 | Quarterfinal | SAKR | 21 | 3NT | ♦10 | +1 | +1 |
| +0.0 | Quarterfinal | SAKR | 2 | 3NT | ♥2 | +1 | -1 |
| +0.0 | Quarterfinal | SAKR | 5 | 2♥ | ♣K | +1 | +0 |
| -0.1 | Quarterfinal | SAKR | 8 | 1NT | ♦5 | -1 | +1 |
| -0.3 | Round of 16 | TAKK | 7 | 2♠ | ♥10 | = | +10 |
| -0.4 | Round of 16 | TAKK | 1 | 2♠ | ♦K | = | +0 |
| -0.4 | Round of 16 | TAKK | 4 | 2♥ | ♣Q | +2 | -1 |
| -0.4 | Round of 16 | TAKK | 19 | 2♠ | ♥8 | = | +0 |
| -0.4 | Quarterfinal | SAKR | 4 | 4♠ | ♣Q | = | -1 |
| -0.7 | Round of 16 | TAKK | 25 | 4♥ | ♠3 | = | +0 |
| -0.9 | Quarterfinal | SAKR | 22 | 3♦ | ♦Q | = | -1 |
| -1.1 | Round of 16 | TAKK | 6 | 5♣ | ♠5 | -1 | -11 |
| -1.3 | Quarterfinal | SAKR | 23 | 4♠ | ♥3 | = | +0 |
| -1.4 | Round of 16 | TAKK | 21 | 2♥ | ♦10 | -1 | +2 |
| -1.4 | Quarterfinal | SAKR | 12 | 3♥ | ♠K | -1 | -5 |
| -1.7 | Quarterfinal | SAKR | 10 | 1NT | ♠Q | = | +1 |
| -1.7 | Quarterfinal | SAKR | 28 | 4♥ | ♥2 | = | +0 |
| -1.9 | Quarterfinal | SAKR | 11 | 4♥ | ♣2 | +1 | +0 |
| -2.5 | Round of 16 | TAKK | 17 | 5♦ | ♠7 | = | -2 |
| -3.3 | Quarterfinal | SAKR | 9 | 2♦ | ♥10 | -2 | -5 |
| -3.4 | Quarterfinal | SAKR | 16 | 4♠ | ♦K | +1 | +0 |
| -3.6 | Round of 16 | TAKK | 13 | 4♠ | ♥8 | -1 | +3 |
| -3.9 | Round of 16 | TAKK | 23 | 5♣ | ♥K | -1 | -9 |
| -4.6 | Quarterfinal | SAKR | 27 | 4♦ | ♠5 | +1 | -7 |
| -4.7 | Round of 16 | TAKK | 22 | 3NT | ♣10 | -1 | -12 |
| -5.1 | Round of 16 | TAKK | 2 | 4♠ | ♣K | +1 | +10 |
| -5.2 | Round of 16 | TAKK | 5 | 6♠ | ♠3 | +1 | -13 |
| -5.2 | Round of 16 | TAKK | 26 | 4♠ | ♥J | +2 | -5 |
| -5.4 | Quarterfinal | SAKR | 25 | 4♠ | ♣2 | +1 | -1 |
| -6.0 | Quarterfinal | SAKR | 13 | 5♣ | ♠A | = | +1 |
| -6.3 | Quarterfinal | SAKR | 7 | 5♦ | ♣Q | = | +1 |
| -8.4 | Round of 16 | TAKK | 20 | 7NTx | ♥A | -1 | -16 |
| -9.1 | Quarterfinal | SAKR | 17 | 3NT | ♦K | -2 | -11 |
| -9.3 | Quarterfinal | SAKR | 20 | 4♥ | ♠5 | -1 | -6 |
| -10.8 | Round of 16 | TAKK | 8 | 3♦x | ♦9 | +1 | -12 |