YAN Zhihui · NINGBOYONGGUAN
vs par split: bidding +0.41 · play +0.28
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -0.72/bd
Card play — on target: opening leads 70.0% #583 of 671 · declarer play 69.2% #516 of 671 · defence 85.0% #341 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 70.0% (10) |
| Declarer play | · | 69.2% (13) |
| Defence | · | 85.0% (20) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 100.0% (1) · ♦ 100.0% (1) · ♣ 66.7% (3)
vs par by strain: a suit +0.70 (46)
vs par by level: part-score +0.05 (20) · game +0.00 (21) · slam +6.20 (5)
By role: declaring -0.08/bd (-1.56 vs par · 39) · defending -1.30/bd (+2.00 vs par · 30)
By vulnerability: vulnerable -0.88/bd (-0.85 vs par · 39) · not vulnerable -0.26/bd (+1.07 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | H.Li | D.Liu – Y.Wu | Open | 10 | -24.4 | -2.44 | -2.00 |
| Round 6 | C.Yu | CHEN M. Z. – M.Cao | Closed | 10 | -11.0 | -1.10 | -0.10 |
| Round 8 | H.Li | Y.Gu – H.Huang | Closed | 10 | -6.8 | -0.68 | -1.20 |
| Round 9 | H.Li | J.Zhang – W.Han | Closed | 10 | +4.4 | +0.44 | -0.40 |
| Round 11 | H.Li | J.Gu – Y.Lu | Closed | 10 | +8.6 | +0.86 | +1.20 |
| Round 12 | H.Li | A.Hsiao – V.Liu | Closed | 9 | -24.1 | -2.68 | -2.11 |
| Round 13 | H.Li | P.Lin – R.Okuno | Closed | 10 | +11.2 | +1.12 | +4.30 |
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 9 | BLUEMAROON | 28 | 4♦ | ♥9 | +2 | +12 |
| +7.6 | Round 12 | WELLWISE | 28 | 3♦ | ♣3 | = | +11 |
| +7.2 | Round 11 | SHANGHAI YOUTH 5 | 15 | 4♠ | ♣A | = | +11 |
| +6.8 | Round 13 | FAIRY TALE | 8 | 6♠ | ♦Q | -1 | +17 |
| +5.3 | Round 6 | ZHANG | 21 | 6♥ | ♣A | -1 | +11 |
| +4.6 | Round 8 | SHANGHAI THINK CLUB | 11 | 3N | ♦J | +1 | +4 |
| +4.5 | Round 8 | SHANGHAI THINK CLUB | 19 | 3♥ | ♣A | +1 | +2 |
| +4.5 | Round 13 | FAIRY TALE | 6 | 6♣ | ♠4 | -1 | +14 |
| +4.2 | Round 9 | BLUEMAROON | 27 | 1♦x | ♥K | = | +7 |
| +3.8 | Round 11 | SHANGHAI YOUTH 5 | 13 | 2♥ | ♠5 | -1 | +5 |
| +3.6 | Round 13 | FAIRY TALE | 4 | 4♠ | ♦7 | = | -1 |
| +2.6 | Round 6 | ZHANG | 25 | 3♥ | ♥5 | -1 | +6 |
| +2.6 | Round 11 | SHANGHAI YOUTH 5 | 11 | 3N | ♣J | = | -1 |
| +2.3 | Round 5 | HESEN FUND | 18 | 4♠ | ♣A | -1 | +5 |
| +2.3 | Round 8 | SHANGHAI THINK CLUB | 12 | 2N | ♦4 | = | -1 |
| +2.3 | Round 9 | BLUEMAROON | 26 | 1N | ♦7 | +1 | -1 |
| +2.3 | Round 11 | SHANGHAI YOUTH 5 | 12 | 1N | ♠10 | +1 | +11 |
| +2.1 | Round 11 | SHANGHAI YOUTH 5 | 18 | 3♣ | ♠3 | = | +0 |
| +1.6 | Round 5 | HESEN FUND | 20 | 4♥ | ♣2 | +1 | +0 |
| +1.5 | Round 6 | ZHANG | 22 | 3♦ | ♥Q | -1 | -4 |
| +1.2 | Round 11 | SHANGHAI YOUTH 5 | 19 | 4♠ | ♣J | +1 | +1 |
| +1.2 | Round 13 | FAIRY TALE | 1 | 4♠ | ♦8 | = | +0 |
| +1.1 | Round 6 | ZHANG | 26 | 4♠ | ♥Q | = | +5 |
| +1.1 | Round 9 | BLUEMAROON | 23 | 1N | ♥4 | +2 | +1 |
| +0.9 | Round 8 | SHANGHAI THINK CLUB | 13 | 4♠ | ♥A | +2 | +7 |
| +0.9 | Round 9 | BLUEMAROON | 24 | 4♥ | ♦6 | = | -5 |
| +0.9 | Round 11 | SHANGHAI YOUTH 5 | 20 | 3N | ♠5 | +2 | +13 |
| +0.6 | Round 8 | SHANGHAI THINK CLUB | 17 | 3N | ♥7 | = | -6 |
| +0.5 | Round 5 | HESEN FUND | 11 | 3♣ | ♠6 | -1 | -4 |
| +0.4 | Round 13 | FAIRY TALE | 7 | 4♥ | ♣A | = | -1 |
| +0.3 | Round 5 | HESEN FUND | 16 | 1N | ♥6 | +1 | +1 |
| +0.3 | Round 13 | FAIRY TALE | 10 | 1N | ♠2 | +2 | +1 |
| +0.2 | Round 6 | ZHANG | 27 | 4♥ | ♦K | -1 | +5 |
| +0.0 | Round 13 | FAIRY TALE | 9 | 4♠ | ♥2 | +1 | +0 |
| -0.1 | Round 8 | SHANGHAI THINK CLUB | 16 | 3♥ | ♥3 | -1 | +1 |
| -0.5 | Round 6 | ZHANG | 29 | 2N | ♥6 | = | +0 |
| -0.5 | Round 9 | BLUEMAROON | 29 | 2♠ | ♥K | -1 | +0 |
| -0.5 | Round 9 | BLUEMAROON | 30 | 4♥ | ♠K | -2 | +1 |
| -0.7 | Round 5 | HESEN FUND | 14 | 3♣ | ♠Q | -1 | -2 |
| -0.8 | Round 13 | FAIRY TALE | 3 | 3N | ♦10 | +2 | +0 |
| -1.0 | Round 6 | ZHANG | 28 | 3N | ♥4 | +3 | -1 |
| -1.2 | Round 5 | HESEN FUND | 17 | 2♠ | ♦10 | -1 | +2 |
| -1.2 | Round 12 | WELLWISE | 25 | 3N | ♣4 | = | +5 |
| -1.3 | Round 12 | WELLWISE | 30 | 4♥ | ♦A | -1 | -5 |
| -1.5 | Round 13 | FAIRY TALE | 5 | 3N | ♠3 | +3 | +12 |
| -2.1 | Round 6 | ZHANG | 30 | 3N | ♥2 | -2 | -6 |
| -2.3 | Round 11 | SHANGHAI YOUTH 5 | 14 | 1N | ♠4 | +4 | -15 |
| -2.4 | Round 8 | SHANGHAI THINK CLUB | 18 | 2♠ | ♥Q | -1 | -4 |
| -2.4 | Round 11 | SHANGHAI YOUTH 5 | 17 | 2♣ | ♥8 | -2 | +0 |
| -2.5 | Round 9 | BLUEMAROON | 22 | 3♠ | ♣K | +1 | -6 |
| -2.5 | Round 12 | WELLWISE | 26 | 3♣ | ♠2 | = | -6 |
| -2.6 | Round 5 | HESEN FUND | 19 | 2♥ | ♣10 | +1 | -1 |
| -2.6 | Round 8 | SHANGHAI THINK CLUB | 20 | 4♠ | ♣7 | = | +0 |
| -3.1 | Round 12 | WELLWISE | 27 | 4♥ | ♠A | +1 | +5 |
| -3.3 | Round 13 | FAIRY TALE | 2 | 4♥ | ♣2 | = | +1 |
| -4.2 | Round 12 | WELLWISE | 21 | 4♥ | ♦6 | -1 | -4 |
| -4.3 | Round 8 | SHANGHAI THINK CLUB | 14 | 4♥ | ♣2 | -2 | -5 |
| -4.3 | Round 9 | BLUEMAROON | 21 | 3N | ♣A | +1 | -5 |
| -4.4 | Round 12 | WELLWISE | 29 | 3♠ | ♥Q | = | -6 |
| -4.5 | Round 9 | BLUEMAROON | 25 | 3N | ♠J | -2 | -8 |
| -6.3 | Round 5 | HESEN FUND | 13 | 3N | ♠2 | -1 | -11 |
| -6.4 | Round 5 | HESEN FUND | 15 | 6♦ | ♠J | = | +2 |
| -6.8 | Round 11 | SHANGHAI YOUTH 5 | 16 | 6♠ | ♣9 | -1 | -13 |
| -7.1 | Round 12 | WELLWISE | 24 | 3N | ♥5 | +1 | -11 |
| -7.9 | Round 12 | WELLWISE | 22 | 3N | ♥A | +3 | -8 |
| -8.3 | Round 6 | ZHANG | 24 | 3N | ♠K | = | -7 |
| -9.8 | Round 6 | ZHANG | 23 | 4♥ | ♣5 | = | -10 |
| -10.3 | Round 8 | SHANGHAI THINK CLUB | 15 | 4♥ | ♥5 | = | -10 |
| -11.9 | Round 5 | HESEN FUND | 12 | 4♦x | ♣A | -3 | -12 |