ZHANG Yuqian · SX XNMF
vs par split: bidding +0.73 · play -1.13
Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.72/bd
Card play — on target: opening leads 90.0% #7 of 34 · declarer play 57.1% #30 of 34 · defence 76.5% #25 of 34
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 83.3% (6) |
| Declarer play | 50.0% (4) | 66.7% (3) |
| Defence | 66.7% (6) | 81.8% (11) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 66.7% (3) · ♦ 100.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -2.33 (12) · a suit +0.89 (18)
vs par by level: part-score +1.00 (12) · game -1.40 (15) · slam -1.00 (3)
By role: declaring -1.03/bd (-3.54 vs par · 13) · defending -0.51/bd (+2.00 vs par · 17)
By vulnerability: vulnerable -0.61/bd (-0.93 vs par · 14) · not vulnerable -0.84/bd (+0.06 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Lu | G.Liu – X.Luo | Open | 10 | -22.4 | -2.24 | -0.50 |
| Round 2 | X.Lu | D.Molina – S.Gerstmann | Open | 10 | +11.6 | +1.16 | +0.40 |
| Round 6 | W.Huang | X.Ruan – Y.Chen | Closed | 10 | -11.2 | -1.12 | -1.10 |
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 2 | CHILE | 20 | 5♠ | ♣Q | = | +1 |
| +7.6 | Round 2 | CHILE | 15 | 6NT | ♦K | = | +0 |
| +7.2 | Round 6 | SX XHLD | 26 | 4♠ | ♦10 | = | +0 |
| +6.0 | Round 6 | SX XHLD | 30 | 3♠ | ♦8 | -1 | +10 |
| +5.8 | Round 1 | CHINA RDFZ GIRLS | 4 | 3NT | ♠10 | -2 | +8 |
| +5.4 | Round 1 | CHINA RDFZ GIRLS | 2 | 5♣x | ♦6 | -2 | +10 |
| +4.4 | Round 6 | SX XHLD | 27 | 2NT | ♥J | -2 | +0 |
| +4.2 | Round 2 | CHILE | 16 | 3♠ | ♦A | -2 | -1 |
| +2.2 | Round 6 | SX XHLD | 28 | 2♥ | ♦3 | = | +0 |
| +1.4 | Round 2 | CHILE | 18 | 2♠ | ♣A | = | +5 |
| +0.4 | Round 2 | CHILE | 14 | 3NT | ♦2 | = | -2 |
| -0.2 | Round 1 | CHINA RDFZ GIRLS | 6 | 4♠ | ♥K | -3 | -3 |
| -0.2 | Round 6 | SX XHLD | 25 | 4♠ | ♦4 | +1 | +11 |
| -0.8 | Round 2 | CHILE | 13 | 2NT | ♦8 | = | +1 |
| -1.0 | Round 2 | CHILE | 11 | 3NT | ♣2 | +1 | +0 |
| -1.2 | Round 1 | CHINA RDFZ GIRLS | 7 | 3♠ | ♥2 | = | -1 |
| -1.8 | Round 2 | CHILE | 19 | 2♠ | ♦A | -1 | +0 |
| -2.2 | Round 6 | SX XHLD | 23 | 2♠ | ♦3 | = | +0 |
| -2.4 | Round 1 | CHINA RDFZ GIRLS | 1 | 3NT | ♥4 | -1 | +2 |
| -2.6 | Round 6 | SX XHLD | 21 | 6♥ | ♦A | +1 | +11 |
| -2.8 | Round 1 | CHINA RDFZ GIRLS | 8 | 2♦ | ♣K | +1 | +0 |
| -2.8 | Round 2 | CHILE | 17 | 4♥ | ♠3 | +1 | -1 |
| -3.8 | Round 1 | CHINA RDFZ GIRLS | 10 | 3♠ | ♣9 | -2 | -3 |
| -3.8 | Round 2 | CHILE | 12 | 2NT | ♠6 | = | +1 |
| -4.6 | Round 1 | CHINA RDFZ GIRLS | 3 | 3NT | ♠7 | +3 | -2 |
| -5.2 | Round 6 | SX XHLD | 29 | 4NT | ♦6 | -1 | -16 |
| -6.4 | Round 1 | CHINA RDFZ GIRLS | 9 | 3NT | ♣3 | -2 | -6 |
| -8.8 | Round 6 | SX XHLD | 24 | 6NT | ♣2 | -2 | -14 |
| -12.0 | Round 6 | SX XHLD | 22 | 5♦ | ♣6 | -1 | -13 |
| -12.2 | Round 1 | CHINA RDFZ GIRLS | 5 | 4♠x | ♦3 | = | -10 |