ZHANG Yalan · YBM
vs par split: bidding +0.19 · play -0.84
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.51/bd
Card play — on target: opening leads 100.0% · declarer play 66.7% · defence 75.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (2) |
| Declarer play | 60.0% (5) | 70.0% (10) |
| Defence | 33.3% (3) | 88.9% (9) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -0.56 (9) · a suit -0.70 (23)
vs par by level: part-score +1.14 (14) · game -2.06 (17) · slam -2.00 (1)
By role: declaring -0.55/bd (-2.35 vs par · 20) · defending -0.47/bd (+2.17 vs par · 12)
By vulnerability: vulnerable -1.48/bd (-1.12 vs par · 16) · not vulnerable +0.44/bd (-0.19 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | C.Yeh | J.Carruthers – J.Silver | Open | 16 | -0.9 | -0.06 | -0.94 |
| Quarterfinal | C.Yeh | C.Sunit – K.Anklesaria | Open | 16 | -15.7 | -0.98 | -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 |
|---|---|---|---|---|---|---|---|
| +9.1 | Quarterfinal | FORMIDABLES | 9 | 3♠ | ♣J | +2 | +10 |
| +5.5 | Round of 16 | 🇨🇦 CANADA | 5 | 3NT | ♠7 | -1 | +10 |
| +5.3 | Quarterfinal | FORMIDABLES | 8 | 3♦x | ♥3 | = | +2 |
| +4.1 | Round of 16 | 🇨🇦 CANADA | 3 | 2♥x | ♣A | -2 | +3 |
| +4.0 | Quarterfinal | FORMIDABLES | 7 | 4♥ | ♠K | +1 | +4 |
| +3.3 | Round of 16 | 🇨🇦 CANADA | 10 | 6♣ | ♥3 | = | -2 |
| +3.1 | Round of 16 | 🇨🇦 CANADA | 8 | 4♦ | ♣K | = | +7 |
| +2.9 | Round of 16 | 🇨🇦 CANADA | 14 | 4♠ | ♣7 | = | +7 |
| +2.9 | Quarterfinal | FORMIDABLES | 1 | 1NT | ♣J | +1 | +6 |
| +2.4 | Round of 16 | 🇨🇦 CANADA | 15 | 2♠ | ♥3 | = | +0 |
| +2.2 | Round of 16 | 🇨🇦 CANADA | 7 | 3NT | ♦3 | +2 | +0 |
| +0.6 | Quarterfinal | FORMIDABLES | 11 | 2♠ | ♣3 | = | +0 |
| +0.4 | Quarterfinal | FORMIDABLES | 6 | 2♠ | ♠J | = | +0 |
| +0.3 | Quarterfinal | FORMIDABLES | 2 | 4♥ | ♣J | = | +0 |
| +0.1 | Quarterfinal | FORMIDABLES | 15 | 4♥ | ♠A | = | +0 |
| -0.2 | Round of 16 | 🇨🇦 CANADA | 12 | 3NT | ♣9 | +1 | +0 |
| -0.3 | Round of 16 | 🇨🇦 CANADA | 11 | 3NT | ♥7 | -1 | -2 |
| -1.0 | Quarterfinal | FORMIDABLES | 13 | 1NT | ♥K | -2 | -2 |
| -1.3 | Round of 16 | 🇨🇦 CANADA | 6 | 2NT | ♠2 | -1 | -10 |
| -1.6 | Quarterfinal | FORMIDABLES | 3 | 3♥ | ♣4 | +1 | +10 |
| -1.7 | Round of 16 | 🇨🇦 CANADA | 16 | 3♥ | ♦2 | -2 | +0 |
| -2.3 | Round of 16 | 🇨🇦 CANADA | 2 | 4♠ | ♥K | -2 | -8 |
| -2.5 | Round of 16 | 🇨🇦 CANADA | 9 | 4♥ | ♣3 | = | -8 |
| -2.6 | Quarterfinal | FORMIDABLES | 4 | 4♠ | ♣K | -1 | -3 |
| -4.4 | Quarterfinal | FORMIDABLES | 14 | 5♥ | ♠K | +1 | -11 |
| -4.7 | Quarterfinal | FORMIDABLES | 16 | 5♥ | ♠A | -1 | -11 |
| -4.8 | Round of 16 | 🇨🇦 CANADA | 13 | 4♠ | ♣K | -1 | -6 |
| -4.9 | Round of 16 | 🇨🇦 CANADA | 1 | 3NT | ♣5 | -2 | -6 |
| -6.4 | Round of 16 | 🇨🇦 CANADA | 4 | 4♦ | ♥K | = | +0 |
| -6.7 | Quarterfinal | FORMIDABLES | 12 | 3NT | ♥4 | +3 | -1 |
| -7.4 | Quarterfinal | FORMIDABLES | 5 | 4♠ | ♠10 | = | +0 |
| -10.0 | Quarterfinal | FORMIDABLES | 10 | 3♠ | ♣7 | +1 | -10 |