HUANG Yan · TONGJI UNIVERSITY
663rank
-11.0Butler · 20 bds
-0.55per board
±2.6swing
+0.10vs par /bd
-0.51adjusted /bd
by round
vs par split: bidding +0.79 · play -0.93
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.51/bd
Card play — on target: opening leads 80.0% · declarer play 66.7% · defence 50.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 80.0% (5) |
| Declarer play | · | 66.7% (3) |
| Defence | · | 50.0% (8) |
Opening leads by suit led: ♦ 66.7% (3) · ♣ 100.0% (2)
vs par by strain: a suit -0.14 (14)
vs par by level: part-score -1.50 (8) · game -0.20 (5) · slam +11.00 (1)
By role: declaring -1.56/bd (-1.43 vs par · 7) · defending -0.01/bd (+0.92 vs par · 13)
By vulnerability: vulnerable -0.85/bd (-1.60 vs par · 10) · not vulnerable -0.25/bd (+1.80 vs par · 10)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | C.Wang | Y.Huang – X.Wei | Closed | 10 | -19.1 | -1.91 | -1.90 |
| Round 6 | F.Liu | H.Chen – X.Li | Open | 10 | +8.1 | +0.81 | +2.10 |
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 |
|---|---|---|---|---|---|---|---|
| +5.3 | Round 6 | CHINA LIUPANSHUI | 21 | 6♥ | ♣A | -1 | +11 |
| +4.4 | Round 6 | CHINA LIUPANSHUI | 24 | 3N | ♠K | -3 | +7 |
| +2.9 | Round 6 | CHINA LIUPANSHUI | 26 | 4♠ | ♥Q | +2 | +6 |
| +1.1 | Round 6 | CHINA LIUPANSHUI | 23 | 1♣ | ♦4 | +1 | +2 |
| +0.5 | Round 4 | SHANGHAI JIANQIAO | 6 | 3♠ | ♣10 | +1 | +10 |
| +0.3 | Round 4 | SHANGHAI JIANQIAO | 8 | 5♦ | ♠A | -2 | -1 |
| +0.2 | Round 6 | CHINA LIUPANSHUI | 27 | 4♥ | ♦K | -1 | +5 |
| -0.6 | Round 4 | SHANGHAI JIANQIAO | 7 | 1N | ♥2 | +1 | +1 |
| -0.8 | Round 4 | SHANGHAI JIANQIAO | 10 | Pass | -3 | ||
| -0.8 | Round 6 | CHINA LIUPANSHUI | 25 | 3♦ | ♥A | -1 | +3 |
| -0.9 | Round 4 | SHANGHAI JIANQIAO | 2 | 3N | ♣6 | +2 | -1 |
| -0.9 | Round 6 | CHINA LIUPANSHUI | 29 | 3♦ | ♠6 | = | +0 |
| -1.0 | Round 6 | CHINA LIUPANSHUI | 22 | 3♠ | ♦A | = | -6 |
| -1.0 | Round 6 | CHINA LIUPANSHUI | 28 | 3N | ♣2 | +3 | -1 |
| -1.5 | Round 4 | SHANGHAI JIANQIAO | 3 | 3N | ♠2 | +1 | +1 |
| -2.1 | Round 6 | CHINA LIUPANSHUI | 30 | 5♦ | ♥3 | -2 | -6 |
| -2.7 | Round 4 | SHANGHAI JIANQIAO | 9 | 2♥ | ♥4 | -2 | -5 |
| -2.9 | Round 4 | SHANGHAI JIANQIAO | 5 | 2♥ | ♦A | = | -5 |
| -4.0 | Round 4 | SHANGHAI JIANQIAO | 4 | 3♥ | ♠9 | -1 | -11 |
| -6.5 | Round 4 | SHANGHAI JIANQIAO | 1 | 5♥x | ♠K | -2 | -5 |