HUANG Yan · CHINA LADIES
vs par split: bidding +0.98 · play -0.65
Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted -0.42/bd
Card play — on target: opening leads 72.2% #63 of 84 · declarer play 58.8% #77 of 84 · defence 78.8% #67 of 84
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 77.8% (9) |
| Declarer play | 40.0% (5) | 66.7% (12) |
| Defence | 69.2% (13) | 85.0% (20) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 75.0% (4) · ♦ 80.0% (5) · ♣ 40.0% (5)
vs par by strain: NT -1.00 (24) · a suit +1.22 (36)
vs par by level: part-score +0.77 (22) · game -0.56 (34) · slam +5.50 (4)
By role: declaring -0.24/bd (-1.59 vs par · 27) · defending -1.02/bd (+1.91 vs par · 33)
By vulnerability: vulnerable -0.99/bd (+0.68 vs par · 31) · not vulnerable -0.34/bd (-0.03 vs par · 29)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | N.Wang | A.Sarniak – D.Kazmucha | Closed | 10 | -28.8 | -2.88 | -0.40 |
| Round 4 | N.Wang | R.Pollack – C.Bjerkan | Open | 10 | -3.7 | -0.37 | -0.20 |
| Round 5 | N.Wang | S.Friedman – O.Lourie | Open | 10 | -11.9 | -1.19 | +0.80 |
| Round 8 | N.Wang | J.Larsson – K.Bertheau | Open | 10 | -0.4 | -0.04 | +0.10 |
| Round 9 | N.Wang | J.Li – W.Bao | Open | 10 | +9.7 | +0.97 | +1.70 |
| Round 10 | N.Wang | S.Willard – C.D'Ovidio | Closed | 10 | -5.3 | -0.53 | +0.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.8 | Round 5 | BLOOM | 23 | 6♣x | ♦10 | -2 | +12 |
| +8.7 | Round 4 | QUINN | 19 | 2♥ | ♠10 | -5 | +9 |
| +6.9 | Round 8 | SMITH | 25 | 4♥x | ♠6 | -1 | +11 |
| +6.3 | Round 9 | CHINA XHJT | 6 | 3NT | ♠2 | = | +6 |
| +5.7 | Round 9 | CHINA XHJT | 1 | 2NT | ♥J | -1 | +10 |
| +5.0 | Round 4 | QUINN | 18 | 3♠ | ♥4 | +1 | +1 |
| +4.8 | Round 10 | APEROL | 12 | 3NT | ♦5 | -2 | +6 |
| +3.0 | Round 10 | APEROL | 19 | 1NT | ♦2 | +1 | -1 |
| +2.7 | Round 8 | SMITH | 22 | 4♠ | ♥4 | -1 | +10 |
| +2.7 | Round 9 | CHINA XHJT | 3 | 2♠ | ♦Q | = | +1 |
| +2.5 | Round 1 | POLAND | 2 | 4♠x | ♥5 | -2 | +5 |
| +2.5 | Round 5 | BLOOM | 25 | 3NT | ♥J | +2 | +0 |
| +2.5 | Round 8 | SMITH | 27 | 3NT | ♠3 | -1 | +5 |
| +2.5 | Round 10 | APEROL | 18 | 1NT | ♠K | -2 | +0 |
| +2.3 | Round 9 | CHINA XHJT | 2 | 4♠ | ♦K | -2 | +6 |
| +2.1 | Round 4 | QUINN | 11 | 3NT | ♠10 | +1 | +0 |
| +1.5 | Round 10 | APEROL | 15 | 4♥ | ♦A | -1 | -2 |
| +1.4 | Round 9 | CHINA XHJT | 9 | 4♠ | ♣10 | +1 | +1 |
| +1.3 | Round 5 | BLOOM | 29 | 3NT | ♥3 | +1 | +0 |
| +1.2 | Round 8 | SMITH | 21 | 3NT | ♠6 | +1 | +1 |
| +1.0 | Round 5 | BLOOM | 28 | 2♠ | ♥Q | = | +0 |
| +1.0 | Round 8 | SMITH | 28 | 1NT | ♥K | +1 | +0 |
| +0.9 | Round 8 | SMITH | 24 | 4♥ | ♣4 | = | -1 |
| +0.3 | Round 10 | APEROL | 17 | 2♥ | ♦3 | = | -1 |
| +0.1 | Round 10 | APEROL | 14 | 3NT | ♣6 | +1 | +0 |
| -0.0 | Round 1 | POLAND | 5 | 3♠ | ♠7 | -1 | +2 |
| -0.1 | Round 1 | POLAND | 1 | 3♦ | ♥2 | = | -5 |
| -0.1 | Round 4 | QUINN | 20 | 3NT | ♥4 | +2 | -13 |
| -0.2 | Round 9 | CHINA XHJT | 8 | 4♠ | ♣J | = | +0 |
| -0.3 | Round 9 | CHINA XHJT | 4 | 4♥ | ♣A | +1 | +0 |
| -0.5 | Round 10 | APEROL | 11 | 4♦ | ♥3 | -1 | -5 |
| -0.8 | Round 10 | APEROL | 20 | 4♥ | ♠A | = | +1 |
| -0.9 | Round 4 | QUINN | 12 | 6♦ | ♠3 | = | -2 |
| -0.9 | Round 9 | CHINA XHJT | 5 | 2♠ | ♥2 | +1 | -6 |
| -1.1 | Round 1 | POLAND | 3 | 1NT | ♦K | = | +2 |
| -1.1 | Round 8 | SMITH | 23 | 3NT | ♠3 | = | -1 |
| -1.1 | Round 9 | CHINA XHJT | 7 | 3♣ | ♦A | = | +11 |
| -1.6 | Round 5 | BLOOM | 30 | 2♠ | ♥3 | -2 | +0 |
| -1.9 | Round 1 | POLAND | 6 | 3♠ | ♣A | = | -1 |
| -2.0 | Round 4 | QUINN | 17 | 5♥ | ♠2 | = | +0 |
| -2.3 | Round 1 | POLAND | 7 | 3♣ | ♣J | +1 | +0 |
| -2.5 | Round 4 | QUINN | 15 | 4♠ | ♥K | +1 | +0 |
| -2.7 | Round 4 | QUINN | 14 | 3♠ | ♦9 | = | +0 |
| -3.1 | Round 5 | BLOOM | 21 | 3NT | ♣2 | +2 | -2 |
| -3.2 | Round 5 | BLOOM | 24 | 6NT | ♠J | +1 | -1 |
| -3.3 | Round 8 | SMITH | 29 | 3NT | ♥J | -2 | -7 |
| -3.7 | Round 1 | POLAND | 4 | 3♥ | ♦9 | -2 | +9 |
| -5.2 | Round 1 | POLAND | 10 | 2NT | ♥7 | = | +0 |
| -5.2 | Round 8 | SMITH | 30 | 3NT | ♥8 | -2 | -11 |
| -5.6 | Round 4 | QUINN | 13 | 3NT | ♣9 | +2 | +0 |
| -5.7 | Round 4 | QUINN | 16 | 5♥ | ♠K | +1 | +3 |
| -6.0 | Round 8 | SMITH | 26 | 4♥ | ♦Q | -1 | -6 |
| -6.2 | Round 9 | CHINA XHJT | 10 | 4♠ | ♣3 | -1 | -12 |
| -6.4 | Round 5 | BLOOM | 22 | 4♥ | ♥3 | +2 | -1 |
| -6.9 | Round 5 | BLOOM | 26 | 3NT | ♥10 | = | +0 |
| -7.3 | Round 5 | BLOOM | 27 | 4♥ | ♥2 | = | +0 |
| -7.7 | Round 10 | APEROL | 16 | 3NT | ♠3 | +1 | -11 |
| -8.1 | Round 1 | POLAND | 8 | 3NT | ♥Q | = | -7 |
| -8.5 | Round 10 | APEROL | 13 | 6♦ | ♥6 | = | +13 |
| -8.9 | Round 1 | POLAND | 9 | 2♣x | ♦K | -2 | -9 |