SAKOWSKA Natalia · JOEL
vs par split: bidding -0.83 · play -0.31
Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted -0.36/bd
Card play — on target: opening leads 92.9% #59 of 398 · declarer play 60.0% #315 of 398 · defence 79.2% #312 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 100.0% (11) |
| Declarer play | 100.0% (1) | 55.6% (9) |
| Defence | 83.3% (6) | 77.8% (18) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 80.0% (5) · ♦ 100.0% (2) · ♣ 100.0% (4)
vs par by strain: NT +0.36 (11) · a suit -1.79 (38)
vs par by level: part-score +1.50 (16) · game -1.44 (27) · slam -8.17 (6)
By role: declaring +0.59/bd (-3.12 vs par · 24) · defending -0.97/bd (+0.44 vs par · 25)
By vulnerability: vulnerable +0.16/bd (-1.28 vs par · 25) · not vulnerable -0.58/bd (-1.33 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Buras | I.Ho – W.Fok | Open | 7 | +15.2 | +2.17 | +1.00 |
| Round 2 | G.Narkiewicz | R.Levin – J.Levin | Closed | 7 | -10.9 | -1.56 | -1.43 |
| Round 4 | K.Buras | M.Yuen – P.Nehmert | Closed | 7 | -27.2 | -3.89 | -4.43 |
| Round 5 | G.Narkiewicz | J.Rosenfeld – J.Gu | Open | 7 | +10.1 | +1.44 | +0.86 |
| Round 6 | G.Narkiewicz | D.Zhang – Z.Luo | Closed | 7 | -4.2 | -0.60 | -3.29 |
| Round 7 | G.Narkiewicz | M.Sheng – L.Zhou | Open | 7 | +5.8 | +0.83 | -4.00 |
| Round 8 | G.Narkiewicz | Z.Chen – R.Xu | Closed | 7 | +1.2 | +0.17 | +2.14 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Round 1 | BLING | 3 | 3NT | ♣4 | -1 | +12 |
| +8.8 | Round 7 | GZ. ZHAOHENG2 | 18 | 6♠ | ♥2 | +1 | -13 |
| +7.3 | Round 6 | ZHIHAOLE | 11 | 6♠ | ♦8 | +1 | +1 |
| +5.7 | Round 1 | BLING | 1 | 3NT | ♠4 | -1 | +10 |
| +5.4 | Round 5 | PANDA | 3 | 4♥ | ♣J | +1 | +0 |
| +5.2 | Round 2 | DIAMOND | 12 | 4♠ | ♣7 | = | +3 |
| +3.3 | Round 5 | PANDA | 4 | 4♠ | ♥J | = | -1 |
| +2.7 | Round 1 | BLING | 4 | 2♥ | -2 | -9 | |
| +2.7 | Round 8 | XBA | 22 | 2♠ | ♠2 | -2 | +5 |
| +2.6 | Round 5 | PANDA | 7 | 2♥ | ♥A | +1 | +6 |
| +2.3 | Round 2 | DIAMOND | 10 | 3NT | ♦7 | = | +0 |
| +2.2 | Round 7 | GZ. ZHAOHENG2 | 19 | 2♠ | ♦7 | = | +0 |
| +2.2 | Round 8 | XBA | 24 | 4♠ | ♣K | +1 | +0 |
| +2.1 | Round 8 | XBA | 25 | 5♠x | ♣8 | -2 | +0 |
| +1.9 | Round 7 | GZ. ZHAOHENG2 | 15 | 3♣ | ♥2 | +3 | +2 |
| +1.8 | Round 8 | XBA | 28 | 4♥ | ♠2 | -1 | +3 |
| +1.5 | Round 5 | PANDA | 6 | 4♠ | ♦A | = | -1 |
| +1.5 | Round 7 | GZ. ZHAOHENG2 | 17 | 3NT | ♥3 | +1 | -10 |
| +1.3 | Round 1 | BLING | 7 | 4♥ | ♠5 | = | -1 |
| +1.1 | Round 6 | ZHIHAOLE | 10 | 4♥ | ♥3 | +1 | +0 |
| +0.7 | Round 8 | XBA | 26 | 3♣ | ♦J | -1 | +5 |
| +0.6 | Round 5 | PANDA | 5 | 2♠ | ♥3 | = | +1 |
| +0.6 | Round 6 | ZHIHAOLE | 13 | 1NT | ♥5 | +2 | +10 |
| +0.5 | Round 2 | DIAMOND | 9 | 2♠ | ♣5 | = | +6 |
| +0.3 | Round 1 | BLING | 2 | 4♥ | ♦K | +1 | +0 |
| +0.1 | Round 4 | MARVELOUS | 25 | 3NT | ♠5 | = | +0 |
| +0.1 | Round 4 | MARVELOUS | 27 | 2♠ | ♣A | -1 | -2 |
| -0.1 | Round 5 | PANDA | 2 | 4♥ | ♠J | +1 | +0 |
| -0.3 | Round 2 | DIAMOND | 13 | 3NT | ♠3 | = | +0 |
| -0.3 | Round 6 | ZHIHAOLE | 9 | 4♥ | ♣9 | +1 | +0 |
| -1.8 | Round 4 | MARVELOUS | 28 | 2♥ | ♠J | +2 | -1 |
| -1.9 | Round 1 | BLING | 6 | 3NT | ♥7 | -1 | -5 |
| -2.2 | Round 7 | GZ. ZHAOHENG2 | 16 | 2♠ | ♣K | +2 | -1 |
| -2.2 | Round 7 | GZ. ZHAOHENG2 | 20 | 2♠ | ♦J | = | +0 |
| -2.6 | Round 8 | XBA | 23 | 3♣ | ♥K | +1 | +9 |
| -2.8 | Round 4 | MARVELOUS | 24 | 3NT | ♥7 | +2 | +0 |
| -3.0 | Round 1 | BLING | 5 | 1♦ | ♠Q | +2 | +0 |
| -3.2 | Round 5 | PANDA | 1 | 5♥ | ♠A | +1 | +1 |
| -3.3 | Round 6 | ZHIHAOLE | 8 | 5♥ | ♣2 | -2 | -11 |
| -3.4 | Round 6 | ZHIHAOLE | 12 | 6♠x | ♦8 | -4 | -12 |
| -4.2 | Round 7 | GZ. ZHAOHENG2 | 21 | 4♠ | ♦3 | -1 | -6 |
| -4.5 | Round 2 | DIAMOND | 11 | 2♠ | ♦K | -3 | -7 |
| -5.7 | Round 8 | XBA | 27 | 4♠ | ♥7 | = | -7 |
| -6.2 | Round 4 | MARVELOUS | 26 | 4♠ | ♣A | -1 | -13 |
| -6.2 | Round 6 | ZHIHAOLE | 14 | 3NTxx | ♠Q | -1 | -11 |
| -6.7 | Round 2 | DIAMOND | 8 | 6♥ | ♠A | = | -10 |
| -7.4 | Round 2 | DIAMOND | 14 | 3NT | ♥Q | +4 | -2 |
| -8.1 | Round 4 | MARVELOUS | 22 | 6♦ | ♠3 | = | +2 |
| -8.5 | Round 4 | MARVELOUS | 23 | 6♣ | ♦9 | -2 | -17 |