🇺🇸 CHOW Helen · USA1
vs par split: bidding +2.79 · play -2.00
Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.50/bd
Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 75.0%
Bidding activity — not a pass: 41.0% (34/83)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (3) |
| Declarer play | 100.0% (1) | 33.3% (3) |
| Defence | 100.0% (1) | 71.4% (7) |
Opening leads by suit led: ♠ 100.0% (2) · ♦ 100.0% (1)
vs par by strain: NT -2.71 (7) · a suit -1.38 (21)
vs par by level: part-score -0.86 (14) · game -4.08 (12) · slam +6.50 (2)
By role: declaring -0.89/bd (-5.46 vs par · 13) · defending -0.21/bd (+1.53 vs par · 15)
By vulnerability: vulnerable -0.34/bd (-2.43 vs par · 14) · not vulnerable -0.71/bd (-1.00 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | N.Qian | M.Van Der Valk – A.Oranje | Closed | 14 | +20.7 | +1.48 | +0.79 |
| Quarterfinal | N.Qian | L.De Wijs – S.De Wijs | Open | 14 | -35.3 | -2.52 | -4.21 |
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 |
|---|---|---|---|---|---|---|---|
| +7.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 6 | 2♠x | ♠4 | -2 | +8 |
| +7.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 10 | 6♥ | ♣Q | +1 | +13 |
| +5.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 4 | 5♠ | ♦A | -2 | +16 |
| +4.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 8 | 2NT | ♣2 | -1 | +5 |
| +3.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 11 | 2♥ | ♣J | +2 | +6 |
| +3.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 9 | 3♦ | ♠A | = | -1 |
| +2.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 2 | 4♠ | ♦Q | +2 | -9 |
| +2.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 52 | 3♦ | +1 | +0 | |
| +2.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 47 | 3NT | = | -1 | |
| +2.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 5 | 4♦ | ♠5 | = | -10 |
| +1.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 13 | 3NT | ♠T | +3 | +2 |
| +1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 12 | 2♥ | ♠A | +3 | +6 |
| +0.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 43 | 4♠ | +1 | +1 | |
| +0.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 53 | 4♠ | +2 | -13 | |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 54 | 6♥ | = | +0 | |
| -0.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 51 | 2♣ | +3 | -1 | |
| -0.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 55 | 1NT | = | +1 | |
| -0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 48 | 3NT | +1 | -1 | |
| -1.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 1 | 3NT | ♠8 | -1 | -10 |
| -1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 56 | 4♥ | -2 | +2 | |
| -3.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 46 | 3♣ | +1 | +0 | |
| -4.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 3 | 2♠ | ♥K | = | +0 |
| -4.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 14 | 3♠ | ♣4 | -1 | -5 |
| -5.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 49 | 4♥ | = | -11 | |
| -6.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 50 | 2♣ | = | -11 | |
| -9.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 7 | 4♥ | ♣3 | = | -10 |
| -10.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 45 | 4♣ | -1 | -10 | |
| -11.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 44 | 3NTx | -2 | -15 |