ZENG Qingbin · GSRC & P UNITED
vs par split: bidding +0.78 · play +0.02
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.19/bd
Card play — on target: opening leads 100.0% #1 of 277 · declarer play 71.4% #160 of 277 · defence 69.6% #254 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (7) |
| Declarer play | 60.0% (5) | 100.0% (2) |
| Defence | 50.0% (6) | 76.5% (17) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (2)
vs par by strain: NT +2.00 (15) · a suit +0.12 (26)
vs par by level: part-score -0.05 (20) · game +1.60 (15) · slam +1.67 (6)
By role: declaring +0.98/bd (-0.94 vs par · 18) · defending -0.61/bd (+1.96 vs par · 24)
By vulnerability: vulnerable -0.26/bd (+0.91 vs par · 22) · not vulnerable +0.43/bd (+0.50 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Zhang | M.Barhbarh – J.Ech Cherif Alkettani | Open | 7 | -1.8 | -0.26 | -0.43 |
| Round 2 | L.Zhang | T.Chung – J.Chung | Closed | 7 | +1.3 | +0.19 | +3.86 |
| Round 4 | L.Zhang | Y.Liu – Y.Liu | Open | 7 | +18.7 | +2.67 | +1.00 |
| Round 5 | L.Zhang | R.Chen – J.Huang | Closed | 7 | -8.4 | -1.20 | +0.29 |
| Round 7 | L.Zhang | H.Frerichs – U.Wenning | Closed | 7 | -0.8 | -0.11 | +0.43 |
| Round 8 | L.Zhang | H.Chen – W.Chao | Closed | 7 | -6.0 | -0.86 | -0.86 |
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 |
|---|---|---|---|---|---|---|---|
| +10.3 | Round 4 | CHONGQINGBANNAN | 27 | 6♠ | ♠4 | = | +0 |
| +9.0 | Round 2 | CTBA | 9 | 3NT | ♣J | = | +10 |
| +7.5 | Round 4 | CHONGQINGBANNAN | 23 | 3NT | ♦5 | = | +10 |
| +5.7 | Round 4 | CHONGQINGBANNAN | 22 | 3NT | ♦2 | = | +0 |
| +4.4 | Round 7 | BERLIN | 18 | 5♦ | ♠A | +1 | +13 |
| +3.9 | Round 1 | MOROCCAN OPEN T | 4 | 1NT | ♣K | +1 | +12 |
| +3.5 | Round 7 | BERLIN | 15 | 4♠ | ♥4 | -1 | +12 |
| +3.2 | Round 5 | GENTLE | 4 | 4♠ | ♦K | -1 | +6 |
| +3.1 | Round 2 | CTBA | 8 | 1NT | ♠2 | -1 | +5 |
| +2.8 | Round 8 | BEIJING SHARE SUN | 27 | 3♠ | ♦Q | +2 | +6 |
| +2.6 | Round 7 | BERLIN | 19 | 1NT | ♥3 | +2 | +1 |
| +2.5 | Round 4 | CHONGQINGBANNAN | 24 | 1NT | ♥4 | +1 | +1 |
| +2.4 | Round 7 | BERLIN | 21 | 6♠ | ♥2 | = | +0 |
| +2.3 | Round 2 | CTBA | 14 | 3NT | ♣2 | -1 | +4 |
| +2.1 | Round 8 | BEIJING SHARE SUN | 23 | 3♣ | ♣2 | +1 | +1 |
| +1.4 | Round 1 | MOROCCAN OPEN T | 2 | 2♥ | ♣10 | +3 | +10 |
| +1.2 | Round 5 | GENTLE | 2 | 3♠ | ♥K | = | +0 |
| +0.7 | Round 1 | MOROCCAN OPEN T | 3 | 2♠ | ♣K | -1 | -3 |
| +0.7 | Round 1 | MOROCCAN OPEN T | 5 | 3♥ | ♠K | = | +0 |
| +0.4 | Round 5 | GENTLE | 1 | 4♥ | ♣A | = | +1 |
| +0.2 | Round 1 | MOROCCAN OPEN T | 7 | 3♥ | ♦3 | -1 | -1 |
| +0.1 | Round 8 | BEIJING SHARE SUN | 25 | 1NT | ♣9 | = | +2 |
| -0.1 | Round 8 | BEIJING SHARE SUN | 24 | 2♥ | ♦Q | -1 | -3 |
| -0.2 | Round 4 | CHONGQINGBANNAN | 25 | 3NT | ♠5 | = | +0 |
| -0.6 | Round 4 | CHONGQINGBANNAN | 26 | 2♥ | ♠5 | = | +0 |
| -0.7 | Round 2 | CTBA | 11 | 2♠ | ♥2 | +2 | -2 |
| -0.9 | Round 5 | GENTLE | 3 | 3♦x | ♣A | -3 | -3 |
| -0.9 | Round 7 | BERLIN | 20 | Pass | -3 | ||
| -1.2 | Round 1 | MOROCCAN OPEN T | 6 | 1NT | ♥5 | = | -11 |
| -1.6 | Round 5 | GENTLE | 6 | 6NT | ♣10 | +1 | +10 |
| -1.6 | Round 8 | BEIJING SHARE SUN | 28 | 4♠ | ♦J | +1 | -4 |
| -1.8 | Round 2 | CTBA | 12 | 3♦ | ♣2 | -2 | +0 |
| -2.9 | Round 7 | BERLIN | 17 | 3♥ | ♦5 | -1 | -8 |
| -3.6 | Round 2 | CTBA | 10 | 4♥ | ♠K | = | -3 |
| -4.4 | Round 8 | BEIJING SHARE SUN | 22 | 3♠ | ♥Q | -2 | -8 |
| -4.9 | Round 8 | BEIJING SHARE SUN | 26 | 3NT | ♥4 | +1 | +0 |
| -5.2 | Round 5 | GENTLE | 5 | 4♠ | ♥2 | -2 | -11 |
| -5.5 | Round 5 | GENTLE | 7 | 6♥ | ♣4 | +1 | -1 |
| -6.5 | Round 4 | CHONGQINGBANNAN | 28 | 3NT | ♣3 | +1 | -4 |
| -7.0 | Round 2 | CTBA | 13 | 6♠ | ♥4 | +1 | +13 |
| -7.5 | Round 1 | MOROCCAN OPEN T | 1 | 3NT | ♦10 | -1 | -10 |
| -9.9 | Round 7 | BERLIN | 16 | 6♣ | ♥Q | -5 | -12 |