🇵🇱 DUFRAT Katarzyna · POLAND
vs par split: bidding -0.69 · play -1.41
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -1.51/bd
Card play — on target: opening leads 80.0% · declarer play 87.5% · defence 65.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 75.0% (8) |
| Declarer play | 0.0% (1) | 100.0% (7) |
| Defence | 50.0% (4) | 68.8% (16) |
Opening leads by suit led: ♥ 66.7% (3) · ♦ 80.0% (5) · ♣ 100.0% (2)
vs par by strain: NT -2.33 (6) · a suit -2.04 (26)
vs par by level: part-score -1.92 (12) · game -1.00 (17) · slam -9.00 (3)
By role: declaring -1.80/bd (-2.83 vs par · 12) · defending -1.72/bd (-1.65 vs par · 20)
By vulnerability: vulnerable -2.67/bd (-3.62 vs par · 16) · not vulnerable -0.83/bd (-0.56 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Taczewska | J.Wolpert – J.Levin | Closed | 16 | -64.3 | -4.02 | -4.56 |
| Quarterfinal | J.Taczewska | J.Levin – J.Wolpert | Open | 16 | +8.3 | +0.52 | +0.38 |
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 |
|---|---|---|---|---|---|---|---|
| +7.1 | Quarterfinal | 🇺🇸 USA2 | 79 | 4♠ | ♦K | = | +0 |
| +6.3 | Quarterfinal | 🇺🇸 USA2 | 66 | 6♠ | ♣K | = | +0 |
| +5.9 | Quarterfinal | 🇺🇸 USA2 | 31 | 2♦ | ♣J | +3 | +10 |
| +4.7 | Quarterfinal | 🇺🇸 USA2 | 69 | 3NT | ♦4 | -1 | +12 |
| +3.3 | Quarterfinal | 🇺🇸 USA2 | 68 | 3♦ | ♥A | +1 | -1 |
| +2.9 | Quarterfinal | 🇺🇸 USA2 | 70 | 1♥ | ♦K | -1 | -2 |
| +1.6 | Quarterfinal | 🇺🇸 USA2 | 18 | 4♥ | ♠10 | = | +0 |
| +1.3 | Quarterfinal | 🇺🇸 USA2 | 78 | 4♥ | ♠K | = | -1 |
| +0.7 | Quarterfinal | 🇺🇸 USA2 | 21 | 1♠ | ♥J | -1 | +2 |
| +0.6 | Quarterfinal | 🇺🇸 USA2 | 72 | 4♥ | ♣Q | +1 | +0 |
| +0.1 | Quarterfinal | 🇺🇸 USA2 | 24 | 4♥ | ♦8 | +1 | +0 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 65 | 2NT | ♦2 | -1 | +4 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 76 | 5♠ | ♣2 | = | +13 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 80 | 4♠ | ♥2 | +1 | +4 |
| -0.6 | Quarterfinal | 🇺🇸 USA2 | 74 | 1♠ | ♣7 | -1 | +0 |
| -0.9 | Quarterfinal | 🇺🇸 USA2 | 67 | 4♥ | ♥3 | +1 | -1 |
| -1.0 | Quarterfinal | 🇺🇸 USA2 | 75 | 3♣ | ♣10 | -1 | -9 |
| -1.4 | Quarterfinal | 🇺🇸 USA2 | 20 | 4♠ | ♣K | +1 | +0 |
| -1.7 | Quarterfinal | 🇺🇸 USA2 | 25 | 4♥ | ♦9 | +3 | -2 |
| -2.0 | Quarterfinal | 🇺🇸 USA2 | 22 | 4♣ | ♦K | -1 | -2 |
| -2.7 | Quarterfinal | 🇺🇸 USA2 | 19 | 7♦x | ♥A | -3 | -17 |
| -2.9 | Quarterfinal | 🇺🇸 USA2 | 71 | 2♥ | ♠Q | +2 | -1 |
| -3.1 | Quarterfinal | 🇺🇸 USA2 | 77 | 4♠ | ♥A | +1 | -1 |
| -3.6 | Quarterfinal | 🇺🇸 USA2 | 23 | 3♣ | ♦Q | -1 | +1 |
| -4.4 | Quarterfinal | 🇺🇸 USA2 | 32 | 3NT | ♠4 | +1 | +0 |
| -6.3 | Quarterfinal | 🇺🇸 USA2 | 17 | 3NT | ♥7 | -2 | -5 |
| -7.6 | Quarterfinal | 🇺🇸 USA2 | 26 | 3♠ | ♥8 | -2 | -15 |
| -8.6 | Quarterfinal | 🇺🇸 USA2 | 29 | 2♥ | ♠10 | +2 | -10 |
| -9.4 | Quarterfinal | 🇺🇸 USA2 | 73 | 3NT | ♠K | = | -11 |
| -10.1 | Quarterfinal | 🇺🇸 USA2 | 28 | 5♣x | ♣2 | -1 | -11 |
| -10.6 | Quarterfinal | 🇺🇸 USA2 | 30 | 3NT | ♦2 | -1 | -14 |
| -13.6 | Quarterfinal | 🇺🇸 USA2 | 27 | 6♣ | ♦J | = | -10 |