ZHANG Yalan · YEH MIX
vs par split: bidding +0.59 · play +0.24
Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +1.28/bd
Card play — on target: opening leads 90.9% #42 of 277 · declarer play 84.6% #73 of 277 · defence 87.5% #85 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 88.9% (9) |
| Declarer play | 100.0% (3) | 80.0% (10) |
| Defence | 60.0% (5) | 94.7% (19) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (5) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT +0.79 (14) · a suit +0.86 (35)
vs par by level: part-score +0.75 (20) · game +1.08 (26) · slam -0.67 (3)
By role: declaring +1.87/bd (-0.56 vs par · 25) · defending +0.40/bd (+2.29 vs par · 24)
By vulnerability: vulnerable +1.68/bd (+0.64 vs par · 25) · not vulnerable +0.59/bd (+1.04 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Yeh | G.Deng – X.Wu | Open | 7 | -1.6 | -0.23 | -0.14 |
| Round 2 | C.Yeh | W.Wang – W.Zhang | Closed | 7 | +6.1 | +0.87 | -2.43 |
| Round 4 | D.Chen | R.Tobing – T.Asbi | Open | 7 | +15.8 | +2.26 | +0.86 |
| Round 5 | D.Chen | L.Zhang – S.Shen | Closed | 7 | -4.4 | -0.63 | +0.86 |
| Round 6 | D.Chen | B.Wang – J.Li | Open | 7 | +21.8 | +3.11 | +2.71 |
| Round 7 | D.Chen | S.Datta – K.Nandi | Open | 7 | -5.8 | -0.83 | +0.14 |
| Round 8 | D.Chen | R.Chen – J.Ho | Closed | 7 | +24.4 | +3.49 | +3.86 |
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 |
|---|---|---|---|---|---|---|---|
| +12.4 | Round 8 | GENTLE | 28 | 5♠x | ♣7 | -1 | +12 |
| +10.8 | Round 6 | GSRC & P UNITED | 13 | 4♠ | ♦Q | = | +11 |
| +8.2 | Round 1 | CHONGQINGBANNAN | 2 | 4♥ | ♦Q | +1 | +0 |
| +7.9 | Round 8 | GENTLE | 24 | 3NT | ♣9 | +1 | +7 |
| +7.7 | Round 6 | GSRC & P UNITED | 12 | 3♥ | ♠8 | +2 | +10 |
| +7.5 | Round 4 | PERTAMINA EP | 23 | 3NT | ♦8 | = | +10 |
| +6.2 | Round 2 | SUZHOUTAIHU | 13 | 6♠ | ♥4 | = | -13 |
| +6.2 | Round 6 | GSRC & P UNITED | 14 | 4♠ | ♠4 | = | +7 |
| +5.7 | Round 4 | PERTAMINA EP | 22 | 3NT | ♦2 | = | +0 |
| +5.4 | Round 8 | GENTLE | 26 | 3♦ | ♥3 | +2 | +10 |
| +4.6 | Round 8 | GENTLE | 25 | 2♣ | ♣5 | = | +6 |
| +4.4 | Round 7 | HEMANT JALAN | 18 | 5♦ | ♥2 | +1 | +13 |
| +4.3 | Round 1 | CHONGQINGBANNAN | 7 | 4♠ | ♥7 | -1 | +6 |
| +3.6 | Round 2 | SUZHOUTAIHU | 10 | 4♥ | ♠K | = | +3 |
| +3.5 | Round 7 | HEMANT JALAN | 15 | 4♠ | ♥3 | -1 | +12 |
| +3.2 | Round 5 | REDBULL | 4 | 4♠ | ♣9 | -1 | +6 |
| +3.2 | Round 6 | GSRC & P UNITED | 8 | 3♦ | ♠A | +1 | +1 |
| +3.0 | Round 1 | CHONGQINGBANNAN | 3 | 2♠ | ♦J | = | +6 |
| +2.8 | Round 2 | SUZHOUTAIHU | 12 | 3♠ | ♦K | = | +1 |
| +2.8 | Round 4 | PERTAMINA EP | 28 | 4♦ | ♠4 | = | +9 |
| +2.5 | Round 6 | GSRC & P UNITED | 11 | 1NT | ♥2 | +1 | +1 |
| +1.8 | Round 5 | REDBULL | 3 | 3NT | ♥10 | = | +0 |
| +1.6 | Round 7 | HEMANT JALAN | 20 | 3♥ | ♠3 | -1 | +0 |
| +1.4 | Round 8 | GENTLE | 23 | 3♣ | ♠K | = | +0 |
| +0.9 | Round 2 | SUZHOUTAIHU | 11 | 2NT | ♦2 | +2 | +2 |
| +0.4 | Round 4 | PERTAMINA EP | 24 | 2♦ | ♣2 | -1 | -2 |
| +0.4 | Round 4 | PERTAMINA EP | 27 | 4♠ | ♥4 | +1 | -11 |
| +0.2 | Round 5 | REDBULL | 2 | 3♣ | ♥K | = | -1 |
| +0.1 | Round 7 | HEMANT JALAN | 16 | 5♥x | ♠Q | -1 | +0 |
| -0.2 | Round 4 | PERTAMINA EP | 25 | 3NT | ♠Q | = | +0 |
| -0.2 | Round 7 | HEMANT JALAN | 19 | 1♥ | ♠3 | -1 | -2 |
| -0.6 | Round 5 | REDBULL | 1 | 4♥ | ♥3 | +1 | +0 |
| -0.7 | Round 5 | REDBULL | 6 | 6NT | ♣5 | = | +11 |
| -0.8 | Round 4 | PERTAMINA EP | 26 | 1NT | ♠7 | +1 | +0 |
| -1.1 | Round 7 | HEMANT JALAN | 17 | 4♥ | ♦7 | -2 | -7 |
| -1.7 | Round 6 | GSRC & P UNITED | 10 | 4♦ | ♥A | = | +0 |
| -2.0 | Round 2 | SUZHOUTAIHU | 9 | 2♠ | ♥8 | +2 | -1 |
| -2.3 | Round 2 | SUZHOUTAIHU | 14 | 3NT | ♥8 | -1 | -4 |
| -2.4 | Round 1 | CHONGQINGBANNAN | 5 | 4♠ | ♠A | -2 | -2 |
| -2.5 | Round 1 | CHONGQINGBANNAN | 1 | 3NT | ♦10 | = | +1 |
| -2.9 | Round 8 | GENTLE | 27 | 4♠ | ♥2 | = | +0 |
| -3.1 | Round 1 | CHONGQINGBANNAN | 4 | 1NT | ♣A | = | -12 |
| -3.1 | Round 2 | SUZHOUTAIHU | 8 | 1NT | ♠2 | -1 | -5 |
| -3.6 | Round 5 | REDBULL | 5 | 4♠ | ♥A | -1 | -10 |
| -4.4 | Round 8 | GENTLE | 22 | 3♠ | ♥Q | -2 | -8 |
| -4.7 | Round 5 | REDBULL | 7 | 6♥ | ♠A | = | +0 |
| -6.9 | Round 6 | GSRC & P UNITED | 9 | 5♣ | ♥5 | = | -11 |
| -9.1 | Round 1 | CHONGQINGBANNAN | 6 | 3NT | ♠A | = | +0 |
| -14.1 | Round 7 | HEMANT JALAN | 21 | 5♣ | ♠3 | -3 | -15 |