DUFRAT Katarzyna · POLAND
vs par split: bidding +0.80 · play +0.20
Strength of schedule: opponents averaged +0.51/bd (a tough draw) → opponent-adjusted +0.65/bd
Card play — on target: opening leads 83.3% #42 of 119 · declarer play 87.5% #10 of 119 · defence 89.5% #29 of 119
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 88.9% (9) |
| Declarer play | 100.0% (2) | 83.3% (6) |
| Defence | 75.0% (4) | 93.3% (15) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (3) · ♦ 50.0% (2) · ♣ 100.0% (2)
vs par by strain: NT +0.44 (9) · a suit +1.16 (31)
vs par by level: part-score +0.06 (16) · game +2.20 (20) · slam -1.25 (4)
By role: declaring -0.22/bd (-1.19 vs par · 21) · defending +0.53/bd (+3.42 vs par · 19)
By vulnerability: vulnerable -0.27/bd (+0.81 vs par · 21) · not vulnerable +0.59/bd (+1.21 vs par · 19)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Taczewska | L.Gumrukcuoglu – M.Babac | Closed | 10 | -2.2 | -0.22 | -1.50 |
| Round 4 | J.Taczewska | S.Brock – N.Smith | Closed | 10 | +3.1 | +0.31 | +1.00 |
| Round 9 | J.Taczewska | L.Glaerum – T.Brogeland | Open | 10 | +12.4 | +1.24 | +1.10 |
| Round 10 | J.Taczewska | Y.Zhang – X.Feng | Closed | 10 | -7.8 | -0.78 | +3.40 |
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 |
|---|---|---|---|---|---|---|---|
| +8.2 | Round 9 | BALT | 24 | 3NT | ♦K | = | +7 |
| +7.7 | Round 2 | GALATASARAY | 17 | 4♥ | ♣Q | -1 | +5 |
| +6.8 | Round 2 | GALATASARAY | 14 | 4♦ | ♠A | = | +7 |
| +5.7 | Round 10 | CHINA 1 | 5 | 4♥ | ♥6 | -1 | +10 |
| +5.0 | Round 4 | BAKER | 4 | 2NT | ♠9 | +2 | +9 |
| +4.9 | Round 9 | BALT | 26 | 5♦ | ♥K | = | +3 |
| +4.2 | Round 4 | BAKER | 5 | 6♥ | ♥10 | = | +0 |
| +3.3 | Round 9 | BALT | 28 | 2♠ | ♦10 | +1 | +1 |
| +3.3 | Round 10 | CHINA 1 | 1 | 3NT | ♠8 | -2 | +5 |
| +3.0 | Round 9 | BALT | 23 | 2♠ | ♦A | -2 | +10 |
| +2.7 | Round 2 | GALATASARAY | 18 | 6♦ | ♠10 | = | -2 |
| +2.3 | Round 2 | GALATASARAY | 20 | 5♠ | ♦A | = | +0 |
| +2.3 | Round 9 | BALT | 22 | 6♥ | ♣A | = | +0 |
| +2.3 | Round 10 | CHINA 1 | 9 | 3NT | ♥9 | +1 | +1 |
| +1.8 | Round 9 | BALT | 21 | 2♠ | ♣K | +2 | +1 |
| +1.5 | Round 9 | BALT | 30 | 3NT | ♠Q | -2 | +0 |
| +1.2 | Round 10 | CHINA 1 | 8 | 2♥ | ♠5 | = | +0 |
| +1.1 | Round 2 | GALATASARAY | 19 | 4♠ | ♦2 | -1 | +6 |
| +0.3 | Round 4 | BAKER | 1 | 4♠ | ♣K | +1 | +0 |
| +0.1 | Round 4 | BAKER | 7 | 2NT | ♠Q | = | +0 |
| +0.1 | Round 4 | BAKER | 10 | 2♥ | ♦6 | +1 | +0 |
| -0.0 | Round 4 | BAKER | 3 | 4♠ | ♥4 | -1 | +5 |
| -0.4 | Round 2 | GALATASARAY | 11 | 4♠ | ♥Q | = | +0 |
| -0.5 | Round 10 | CHINA 1 | 7 | 3NT | ♠5 | +1 | -1 |
| -0.7 | Round 4 | BAKER | 2 | 3♦ | ♠K | +1 | +0 |
| -0.8 | Round 4 | BAKER | 6 | 2♥ | ♣2 | -1 | +0 |
| -1.1 | Round 9 | BALT | 25 | 2♥ | ♣K | +1 | +0 |
| -1.2 | Round 10 | CHINA 1 | 2 | 5♦ | ♣A | = | +11 |
| -1.9 | Round 4 | BAKER | 9 | 4♥ | ♠6 | +1 | +0 |
| -1.9 | Round 10 | CHINA 1 | 6 | 1♠ | ♠A | +2 | -1 |
| -3.2 | Round 4 | BAKER | 8 | 4♣ | ♠8 | -1 | -4 |
| -3.7 | Round 2 | GALATASARAY | 12 | 3NT | ♥9 | -1 | -6 |
| -3.8 | Round 2 | GALATASARAY | 13 | 2♠ | ♣3 | -3 | -9 |
| -4.1 | Round 2 | GALATASARAY | 15 | 2♠ | ♦5 | -1 | -5 |
| -4.3 | Round 10 | CHINA 1 | 3 | 5♦ | ♠3 | = | +11 |
| -5.3 | Round 9 | BALT | 27 | 6♦ | ♣A | = | -3 |
| -5.4 | Round 10 | CHINA 1 | 4 | 5♦ | ♥5 | = | +0 |
| -6.2 | Round 9 | BALT | 29 | 2♣ | ♦5 | -2 | -8 |
| -7.0 | Round 10 | CHINA 1 | 10 | 4♥ | ♥5 | -2 | -2 |
| -10.8 | Round 2 | GALATASARAY | 16 | 3NT | ♣6 | -1 | -11 |