JANSMA Aida · JANSMA
348rank
-18.7Butler · 100 bds
-0.19per board
±4.0swing
-0.50vs par /bd · #399/518
+0.04adjusted /bd
by round
vs par split: bidding -0.36 · play -0.14
Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.04/bd
Card play — on target: opening leads 82.1% #213 of 518 · declarer play 72.4% #309 of 517 · defence 91.7% #39 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 81.0% (21) |
| Declarer play | 85.7% (7) | 68.2% (22) |
| Defence | 90.9% (11) | 91.9% (37) |
Opening leads by suit led: ♠ 90.0% (10) · ♥ 71.4% (7) · ♦ 85.7% (7) · ♣ 75.0% (4)
vs par by strain: NT +1.39 (23) · a suit -1.06 (77)
vs par by level: part-score -0.48 (42) · game -0.57 (53) · slam +0.00 (5)
By role: declaring -0.23/bd (-2.38 vs par · 52) · defending -0.14/bd (+1.54 vs par · 48)
By vulnerability: vulnerable +0.27/bd (-1.16 vs par · 50) · not vulnerable -0.65/bd (+0.16 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Jansma | P.Reynolds – J.Reynolds | Closed | 10 | -1.9 | -0.19 | -1.50 |
| Round 2 | J.Jansma | A.Rosenthal – M.Zur-Campanile | Closed | 10 | -14.0 | -1.40 | -0.50 |
| Round 3 | J.Jansma | O.Rimstedt – B.Fischer | Open | 10 | +1.3 | +0.13 | +0.30 |
| Round 4 | J.Jansma | S.Blank – J.Czyzowicz | Open | 10 | +8.8 | +0.88 | -0.80 |
| Round 5 | J.Jansma | B.Efraimsson – A.Zack Efraimsson | Open | 10 | +11.9 | +1.19 | +1.60 |
| Round 6 | J.Jansma | W.Gawel – G.Brewiak | Open | 10 | +4.7 | +0.47 | -0.60 |
| Round 7 | J.Jansma | J.Pszczola – J.Seamon-Molson | Closed | 10 | -6.1 | -0.61 | +2.10 |
| Round 8 | J.Jansma | E.Saelensminde – A.Fuglestad | Closed | 10 | -1.3 | -0.13 | +0.80 |
| Round 9 | J.Jansma | S.Shi – K.Bathurst | Open | 10 | -15.8 | -1.58 | -3.60 |
| Round 10 | J.Jansma | J.Wooldridge – S.Quinn | Closed | 10 | -6.3 | -0.63 | -2.80 |
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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round 8 | GILLIS | 1 | 3♣ | ♦3 | -1 | +10 |
| +8.1 | Round 8 | GILLIS | 7 | 4♠ | ♣3 | = | -1 |
| +7.9 | Round 4 | SIX BLADE KNIFE | 13 | 5♦ | ♠A | -2 | +8 |
| +6.5 | Round 8 | GILLIS | 9 | 5♣ | ♦3 | = | +3 |
| +6.4 | Round 6 | ROSSARD | 5 | 5♥x | ♦A | -4 | +3 |
| +6.0 | Round 3 | CASPERSEN | 4 | 3NT | ♠8 | +3 | +1 |
| +5.6 | Round 5 | ANNA | 29 | 1NT | ♦10 | +3 | +10 |
| +5.4 | Round 7 | PSZCZOLA | 20 | 3♣ | ♣8 | -4 | -5 |
| +4.7 | Round 1 | HARD YAKKA | 9 | 3NT | ♣5 | +1 | +10 |
| +4.4 | Round 10 | ROBINSON | 28 | 4♥ | ♦A | -1 | +5 |
| +4.2 | Round 2 | ROSENTHAL | 15 | 3NT | ♠K | -1 | +16 |
| +4.2 | Round 5 | ANNA | 22 | 3NT | ♣3 | = | +10 |
| +4.0 | Round 4 | SIX BLADE KNIFE | 11 | 4♥ | ♣4 | -1 | +5 |
| +3.8 | Round 8 | GILLIS | 8 | 1NT | ♣Q | -3 | +7 |
| +3.6 | Round 3 | CASPERSEN | 1 | 3NT | ♣4 | +1 | +7 |
| +3.2 | Round 6 | ROSSARD | 1 | 4♠x | ♠Q | -1 | +0 |
| +3.2 | Round 7 | PSZCZOLA | 19 | 3♥ | ♣8 | -2 | +5 |
| +3.1 | Round 4 | SIX BLADE KNIFE | 16 | 2♥ | ♠7 | = | -10 |
| +2.7 | Round 1 | HARD YAKKA | 1 | 2♠ | ♥A | -2 | +5 |
| +2.7 | Round 7 | PSZCZOLA | 15 | 4♥ | ♠K | -1 | +6 |
| +2.5 | Round 5 | ANNA | 28 | 1NT | ♠6 | -2 | +2 |
| +2.4 | Round 5 | ANNA | 30 | 4♥ | ♠A | +1 | +0 |
| +2.4 | Round 7 | PSZCZOLA | 14 | 5♦ | ♥A | = | +0 |
| +2.3 | Round 1 | HARD YAKKA | 7 | 1♠ | ♥Q | +1 | +0 |
| +2.3 | Round 5 | ANNA | 26 | 6NT | ♣3 | = | +0 |
| +2.3 | Round 10 | ROBINSON | 24 | 4♠ | ♠5 | -2 | +6 |
| +2.2 | Round 4 | SIX BLADE KNIFE | 17 | 3NT | ♣2 | +3 | +2 |
| +2.2 | Round 5 | ANNA | 21 | 2♠ | ♥7 | = | +1 |
| +2.1 | Round 2 | ROSENTHAL | 19 | 2♠ | ♥9 | = | +0 |
| +2.1 | Round 3 | CASPERSEN | 9 | 3♦ | ♠K | +1 | +0 |
| +2.1 | Round 6 | ROSSARD | 9 | 3♠ | ♦Q | -1 | -2 |
| +1.9 | Round 1 | HARD YAKKA | 6 | 3NT | ♣6 | +1 | +0 |
| +1.9 | Round 6 | ROSSARD | 3 | 4♥ | ♠3 | +2 | +11 |
| +1.8 | Round 4 | SIX BLADE KNIFE | 12 | 2♦x | ♠4 | -1 | +2 |
| +1.7 | Round 10 | ROBINSON | 25 | 4♠ | ♣2 | = | +0 |
| +1.5 | Round 6 | ROSSARD | 4 | 3NT | ♠Q | = | -1 |
| +1.5 | Round 6 | ROSSARD | 10 | 3♥ | ♠K | -1 | +0 |
| +1.2 | Round 3 | CASPERSEN | 10 | 1NT | ♠9 | -1 | +1 |
| +1.2 | Round 5 | ANNA | 27 | 3♣ | ♥K | = | -1 |
| +1.1 | Round 9 | MILLENS | 20 | 1NT | ♦8 | = | +2 |
| +1.0 | Round 1 | HARD YAKKA | 10 | 3♦ | ♠A | -1 | -1 |
| +1.0 | Round 7 | PSZCZOLA | 11 | 3♣ | ♠4 | = | +0 |
| +0.8 | Round 6 | ROSSARD | 6 | 4♠ | ♦5 | = | -1 |
| +0.8 | Round 10 | ROBINSON | 27 | 2♥ | ♠K | +1 | -6 |
| +0.6 | Round 9 | MILLENS | 18 | 3NT | ♣3 | +2 | +1 |
| +0.5 | Round 6 | ROSSARD | 8 | 3♥ | ♦Q | -3 | +6 |
| +0.5 | Round 9 | MILLENS | 15 | 4♠ | ♥A | +1 | +0 |
| +0.4 | Round 2 | ROSENTHAL | 20 | 4♥ | ♠J | +1 | +0 |
| +0.3 | Round 9 | MILLENS | 17 | 4♥ | ♦10 | +1 | -10 |
| +0.1 | Round 2 | ROSENTHAL | 11 | 2♠ | ♥9 | +1 | -4 |
| +0.1 | Round 4 | SIX BLADE KNIFE | 15 | 3♣ | ♦6 | = | +0 |
| -0.1 | Round 1 | HARD YAKKA | 2 | 3NT | ♦4 | = | +1 |
| -0.1 | Round 3 | CASPERSEN | 3 | 4♠ | ♣10 | = | +0 |
| -0.1 | Round 4 | SIX BLADE KNIFE | 18 | 4♣ | ♠A | -2 | +1 |
| -0.2 | Round 7 | PSZCZOLA | 16 | 4♠ | ♥5 | = | +1 |
| -0.3 | Round 1 | HARD YAKKA | 4 | 5♠ | ♦4 | = | +0 |
| -0.3 | Round 2 | ROSENTHAL | 18 | 2♦ | ♠8 | -1 | -1 |
| -0.4 | Round 9 | MILLENS | 16 | 4♠ | ♦8 | +1 | +0 |
| -0.5 | Round 3 | CASPERSEN | 5 | 3♥ | ♠7 | = | -7 |
| -0.5 | Round 9 | MILLENS | 11 | 4♠ | ♣J | = | -1 |
| -0.7 | Round 2 | ROSENTHAL | 13 | 4♠ | ♦8 | +1 | -13 |
| -0.7 | Round 2 | ROSENTHAL | 16 | 3NT | ♥10 | +1 | +0 |
| -0.7 | Round 3 | CASPERSEN | 6 | 4♥ | ♣8 | +1 | +0 |
| -0.8 | Round 5 | ANNA | 24 | 2♠ | ♥5 | +2 | +6 |
| -0.8 | Round 8 | GILLIS | 10 | 3♣ | ♠7 | -3 | +8 |
| -1.0 | Round 4 | SIX BLADE KNIFE | 19 | 3♥ | ♠J | = | -8 |
| -1.0 | Round 10 | ROBINSON | 21 | 2♣ | ♣10 | +2 | +0 |
| -1.2 | Round 3 | CASPERSEN | 7 | 1♠ | ♥6 | = | -5 |
| -1.2 | Round 10 | ROBINSON | 22 | 2♥ | ♣A | +1 | +0 |
| -1.6 | Round 7 | PSZCZOLA | 17 | 3♠ | ♥7 | = | +7 |
| -1.6 | Round 8 | GILLIS | 4 | 3♠ | ♥A | = | -8 |
| -1.7 | Round 10 | ROBINSON | 23 | 4♥ | ♠A | -1 | -12 |
| -1.8 | Round 10 | ROBINSON | 26 | 4♥ | ♠A | -1 | -5 |
| -2.0 | Round 3 | CASPERSEN | 8 | 3♥ | ♥A | -1 | +6 |
| -2.0 | Round 9 | MILLENS | 19 | 4♥ | ♠3 | = | +0 |
| -2.6 | Round 4 | SIX BLADE KNIFE | 14 | 3♦ | ♣9 | = | +0 |
| -2.6 | Round 7 | PSZCZOLA | 18 | 6♣ | ♦K | = | +2 |
| -2.9 | Round 9 | MILLENS | 13 | 3NT | ♠J | -2 | -8 |
| -3.0 | Round 1 | HARD YAKKA | 5 | 3♠ | ♥Q | -1 | -5 |
| -3.1 | Round 5 | ANNA | 23 | 4♥ | ♣5 | -1 | -6 |
| -3.2 | Round 6 | ROSSARD | 7 | 3♣ | ♠6 | +2 | -11 |
| -3.3 | Round 8 | GILLIS | 3 | 3♦ | ♥A | = | -5 |
| -3.8 | Round 2 | ROSENTHAL | 12 | 4♠ | ♥3 | = | -10 |
| -4.1 | Round 10 | ROBINSON | 29 | 3♠ | ♦K | -1 | -6 |
| -4.6 | Round 5 | ANNA | 25 | 4♥ | ♠3 | +1 | -6 |
| -4.6 | Round 8 | GILLIS | 5 | 4♠ | ♣9 | -1 | -5 |
| -4.7 | Round 1 | HARD YAKKA | 3 | 3♠ | ♦6 | +1 | -14 |
| -5.6 | Round 9 | MILLENS | 14 | 5♦ | ♥A | = | -7 |
| -5.7 | Round 10 | ROBINSON | 30 | 3NT | ♠6 | -1 | -10 |
| -6.3 | Round 7 | PSZCZOLA | 12 | 3NT | ♦Q | = | -3 |
| -6.4 | Round 1 | HARD YAKKA | 8 | 3NT | ♣5 | -2 | -11 |
| -6.6 | Round 4 | SIX BLADE KNIFE | 20 | 4♥ | ♣10 | -2 | -8 |
| -6.9 | Round 9 | MILLENS | 12 | 6♥x | ♠K | -2 | -13 |
| -7.1 | Round 2 | ROSENTHAL | 17 | 3NT | ♥K | +1 | -4 |
| -7.1 | Round 3 | CASPERSEN | 2 | 4♠ | ♥5 | = | +0 |
| -7.9 | Round 8 | GILLIS | 6 | 6♣ | ♦9 | = | +0 |
| -8.2 | Round 2 | ROSENTHAL | 14 | 6♣ | ♥K | = | +11 |
| -10.0 | Round 6 | ROSSARD | 2 | 4♥ | ♣5 | -2 | -11 |
| -10.0 | Round 8 | GILLIS | 2 | 3NT | ♠10 | +1 | -1 |
| -10.1 | Round 7 | PSZCZOLA | 13 | 4♥x | ♠4 | -4 | +8 |