ZHANG Yalan · YBM
vs par split: bidding +0.14 · play -1.00
Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted -0.83/bd
Card play — on target: opening leads 85.7% · declarer play 66.7% · defence 83.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 100.0% (4) |
| Declarer play | · | 66.7% (6) |
| Defence | 66.7% (3) | 88.9% (9) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (1) · ♣ 100.0% (2)
vs par by strain: NT -4.25 (4) · a suit -0.29 (24)
vs par by level: part-score -2.15 (13) · game -0.61 (13) · slam +6.00 (2)
By role: declaring -1.62/bd (-1.69 vs par · 16) · defending -0.62/bd (+0.25 vs par · 12)
By vulnerability: vulnerable -0.57/bd (+0.00 vs par · 14) · not vulnerable -1.81/bd (-1.71 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | C.Yeh | K.Dufrat – A.Versace | Closed | 14 | -16.3 | -1.16 | -1.43 |
| Round of 16 | C.Yeh | H.Wu – S.Wu | Open | 14 | -17.0 | -1.21 | -0.29 |
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 |
|---|---|---|---|---|---|---|---|
| +10.3 | Round of 16 | ZHAOHENG | 12 | 4♠ | ♣2 | -1 | +11 |
| +6.1 | Round of 64 | ROMAMIAMI | 25 | 4♥ | ♦3 | +1 | +1 |
| +3.9 | Round of 16 | ZHAOHENG | 2 | 3♥ | ♠7 | = | +7 |
| +3.7 | Round of 64 | ROMAMIAMI | 21 | 5♣x | ♥A | -1 | +6 |
| +2.8 | Round of 64 | ROMAMIAMI | 26 | 2♠ | ♣A | = | +0 |
| +1.9 | Round of 16 | ZHAOHENG | 1 | 2♥ | ♦10 | = | +0 |
| +1.6 | Round of 16 | ZHAOHENG | 7 | 4♥ | ♣6 | -1 | +6 |
| +1.4 | Round of 64 | ROMAMIAMI | 28 | 6♣ | ♦7 | +1 | +11 |
| +1.0 | Round of 64 | ROMAMIAMI | 17 | 2♥ | ♠Q | -1 | -2 |
| +0.1 | Round of 16 | ZHAOHENG | 9 | 2♥ | ♦3 | -2 | +0 |
| -0.1 | Round of 16 | ZHAOHENG | 8 | 2♠ | ♦7 | = | +5 |
| -0.2 | Round of 64 | ROMAMIAMI | 23 | 4♠ | ♦K | +1 | +0 |
| -0.6 | Round of 16 | ZHAOHENG | 5 | 4♥ | ♠Q | = | +0 |
| -0.9 | Round of 16 | ZHAOHENG | 6 | 3♠ | ♦2 | = | +0 |
| -1.2 | Round of 64 | ROMAMIAMI | 20 | 3NT | ♥9 | +3 | -1 |
| -1.2 | Round of 16 | ZHAOHENG | 3 | 4♥ | ♠7 | -1 | +2 |
| -1.7 | Round of 64 | ROMAMIAMI | 18 | 1NT | ♥4 | = | -5 |
| -1.9 | Round of 64 | ROMAMIAMI | 27 | 2♠ | ♦K | = | +0 |
| -2.4 | Round of 64 | ROMAMIAMI | 19 | 4♦ | ♥Q | -1 | -4 |
| -2.5 | Round of 16 | ZHAOHENG | 10 | 4♥ | ♦K | = | -1 |
| -3.3 | Round of 16 | ZHAOHENG | 14 | 3NT | ♠4 | +1 | -1 |
| -3.7 | Round of 64 | ROMAMIAMI | 24 | 2♠ | ♦5 | = | -6 |
| -5.5 | Round of 16 | ZHAOHENG | 4 | 3♣ | ♥Q | = | -11 |
| -5.8 | Round of 64 | ROMAMIAMI | 22 | 6♥x | ♠A | -6 | +1 |
| -6.3 | Round of 64 | ROMAMIAMI | 16 | 3NT | ♥6 | -1 | -10 |
| -8.1 | Round of 64 | ROMAMIAMI | 15 | 5♥x | ♠6 | -1 | -11 |
| -8.8 | Round of 16 | ZHAOHENG | 11 | 4♥x | ♣5 | = | -10 |
| -11.9 | Round of 16 | ZHAOHENG | 13 | 2♦x | ♠K | -3 | -12 |