ZHOU Weijia · SHANGHAI JIANQIAO
546rank
-24.4Butler · 80 bds
-0.30per board
±3.9swing
-0.95vs par /bd · #618/672
-0.23adjusted /bd
by round
vs par split: bidding -0.87 · play -0.28
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.23/bd
Card play — on target: opening leads 81.8% #329 of 671 · declarer play 61.5% #614 of 671 · defence 68.0% #665 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 81.8% (11) |
| Declarer play | · | 61.5% (13) |
| Defence | · | 68.0% (25) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 66.7% (3) · ♦ 100.0% (1) · ♣ 75.0% (4)
vs par by strain: a suit -1.15 (54)
vs par by level: part-score -1.80 (30) · game -1.00 (21) · slam +4.33 (3)
By role: declaring +0.08/bd (-2.73 vs par · 41) · defending -0.70/bd (+0.92 vs par · 39)
By vulnerability: vulnerable -0.16/bd (-1.43 vs par · 47) · not vulnerable -0.51/bd (-0.27 vs par · 33)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Z.Liu | G.Matushko – J.Khokhlov | Open | 10 | +0.0 | +0.00 | -4.50 |
| Round 4 | Z.Liu | Z.Li – Y.Gu | Open | 10 | +5.3 | +0.53 | +0.50 |
| Round 5 | Z.Liu | Y.Wu – J.Chen | Closed | 10 | -23.5 | -2.35 | -3.30 |
| Round 6 | Z.Liu | A.Hsiao – V.Liu | Open | 10 | +6.4 | +0.64 | -0.10 |
| Round 10 | Z.Liu | M.Askgaard – K.Gjaldbaek | Open | 10 | +0.0 | +0.00 | -1.00 |
| Round 11 | Z.Liu | F.Gong – S.Hu | Open | 10 | +2.4 | +0.24 | +0.80 |
| Round 12 | Z.Liu | J.Ye – W.Liu | Closed | 10 | -7.3 | -0.73 | -0.10 |
| Round 15 | Z.Liu | K.Mukherjee – A.Goel | Closed | 10 | -7.7 | -0.77 | +0.10 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 6 | WELLWISE | 21 | 6♥ | ♠4 | = | +11 |
| +7.6 | Round 12 | SHANXI | 28 | 4♠ | ♦K | -1 | +11 |
| +7.2 | Round 4 | TONGJI UNIVERSITY | 4 | 5♦ | ♥J | = | -1 |
| +7.1 | Round 2 | MOSCOW | 14 | 6♦ | ♣J | +1 | -15 |
| +6.7 | Round 2 | MOSCOW | 19 | 3N | ♠6 | -4 | +8 |
| +5.6 | Round 15 | INDIA | 25 | 6♠ | ♥3 | -2 | +17 |
| +5.2 | Round 10 | DENNOR | 9 | 4♥ | ♠4 | = | +8 |
| +4.9 | Round 4 | TONGJI UNIVERSITY | 7 | 3N | ♥5 | -1 | +6 |
| +4.9 | Round 4 | TONGJI UNIVERSITY | 9 | 3♦ | ♠Q | -2 | +3 |
| +4.7 | Round 11 | CHINESE TAIPEI LADIES | 16 | 4♠ | ♦9 | +1 | +0 |
| +4.6 | Round 5 | ZUOMEICHENG | 14 | 3♣ | ♦K | = | +6 |
| +3.7 | Round 10 | DENNOR | 4 | 3♣ | ♥J | -1 | +1 |
| +3.4 | Round 2 | MOSCOW | 11 | 1N | ♠5 | +3 | +2 |
| +3.3 | Round 6 | WELLWISE | 25 | 3♥ | ♥5 | = | +0 |
| +3.3 | Round 12 | SHANXI | 24 | 4♦ | ♠A | -1 | -3 |
| +3.2 | Round 12 | SHANXI | 26 | 2♠ | ♣A | +1 | +0 |
| +2.9 | Round 10 | DENNOR | 1 | 1N | ♦A | = | +0 |
| +2.6 | Round 11 | CHINESE TAIPEI LADIES | 11 | 3N | ♠10 | = | -1 |
| +2.3 | Round 4 | TONGJI UNIVERSITY | 10 | 2N | ♠6 | = | +0 |
| +2.3 | Round 11 | CHINESE TAIPEI LADIES | 12 | 2N | ♥7 | = | +11 |
| +2.1 | Round 6 | WELLWISE | 30 | 3N | ♠2 | -2 | +6 |
| +1.7 | Round 2 | MOSCOW | 15 | 4♥ | ♦Q | +1 | +0 |
| +1.3 | Round 11 | CHINESE TAIPEI LADIES | 17 | 3♠ | ♣Q | -1 | +4 |
| +1.2 | Round 4 | TONGJI UNIVERSITY | 6 | 3♠ | ♣10 | = | +11 |
| +1.2 | Round 11 | CHINESE TAIPEI LADIES | 19 | 4♠ | ♣J | +1 | +1 |
| +1.2 | Round 15 | INDIA | 23 | 2♠ | ♦5 | -1 | +5 |
| +1.0 | Round 6 | WELLWISE | 28 | 3N | ♥7 | +3 | +1 |
| +1.0 | Round 15 | INDIA | 29 | 4♠ | ♣A | = | +0 |
| +0.9 | Round 6 | WELLWISE | 29 | 2♦ | ♣3 | +1 | +0 |
| +0.6 | Round 15 | INDIA | 24 | 2N | ♥2 | -1 | -4 |
| +0.5 | Round 12 | SHANXI | 23 | 5♦ | ♠6 | -1 | +6 |
| +0.2 | Round 2 | MOSCOW | 20 | 3N | ♥4 | +3 | -13 |
| +0.2 | Round 15 | INDIA | 22 | 4♠ | ♠7 | +1 | +5 |
| +0.1 | Round 4 | TONGJI UNIVERSITY | 2 | 3N | ♠3 | +1 | +0 |
| +0.1 | Round 11 | CHINESE TAIPEI LADIES | 20 | 3N | ♠5 | +3 | +13 |
| -0.2 | Round 6 | WELLWISE | 27 | 4♥ | ♦K | -1 | -5 |
| -0.2 | Round 12 | SHANXI | 25 | 3N | ♥2 | +1 | +5 |
| -0.2 | Round 15 | INDIA | 21 | 1♠ | ♣Q | +2 | +0 |
| -0.5 | Round 10 | DENNOR | 6 | 4♠ | ♣K | = | +0 |
| -0.6 | Round 5 | ZUOMEICHENG | 20 | 4♠ | ♣K | = | +1 |
| -0.7 | Round 6 | WELLWISE | 23 | 3♦ | ♥K | -1 | -1 |
| -0.8 | Round 5 | ZUOMEICHENG | 16 | 1N | ♦K | -2 | -1 |
| -1.0 | Round 10 | DENNOR | 10 | 2♠ | ♣4 | +1 | -1 |
| -1.2 | Round 10 | DENNOR | 5 | 4♠ | ♥4 | +1 | -11 |
| -1.2 | Round 11 | CHINESE TAIPEI LADIES | 13 | 2♥ | ♣K | = | -1 |
| -1.3 | Round 12 | SHANXI | 30 | 4♥ | ♦A | -1 | -5 |
| -1.4 | Round 2 | MOSCOW | 17 | 3♣ | ♠J | +2 | -8 |
| -1.4 | Round 5 | ZUOMEICHENG | 15 | 3N | ♠10 | +3 | -11 |
| -1.6 | Round 2 | MOSCOW | 18 | 4♠ | ♥A | -1 | -4 |
| -1.6 | Round 11 | CHINESE TAIPEI LADIES | 14 | 1N | ♠4 | +5 | -15 |
| -2.1 | Round 2 | MOSCOW | 16 | 1N | ♣10 | +1 | +0 |
| -2.1 | Round 10 | DENNOR | 2 | 3♦ | ♥K | +2 | -6 |
| -2.1 | Round 15 | INDIA | 27 | 3♥ | ♥5 | = | +0 |
| -2.3 | Round 5 | ZUOMEICHENG | 18 | 4♠ | ♣3 | -1 | -5 |
| -2.3 | Round 10 | DENNOR | 3 | 1N | ♣Q | -1 | -3 |
| -2.3 | Round 10 | DENNOR | 8 | 2♠ | ♦A | +1 | -6 |
| -2.4 | Round 4 | TONGJI UNIVERSITY | 1 | 5♥x | ♥A | -1 | +0 |
| -2.4 | Round 4 | TONGJI UNIVERSITY | 3 | 3N | ♥9 | +2 | +0 |
| -2.4 | Round 10 | DENNOR | 7 | 1N | ♦Q | +3 | +8 |
| -2.8 | Round 2 | MOSCOW | 12 | 3♣ | ♥8 | -1 | -5 |
| -2.9 | Round 5 | ZUOMEICHENG | 11 | 2♠ | ♦A | -1 | +2 |
| -2.9 | Round 5 | ZUOMEICHENG | 17 | 2♠ | ♦2 | = | -6 |
| -2.9 | Round 6 | WELLWISE | 26 | 4♠ | ♥Q | +2 | -6 |
| -2.9 | Round 11 | CHINESE TAIPEI LADIES | 15 | 3♦ | ♣Q | -1 | +2 |
| -3.1 | Round 12 | SHANXI | 27 | 4♥ | ♦Q | +1 | +5 |
| -3.3 | Round 6 | WELLWISE | 24 | 2N | ♠K | -2 | -6 |
| -3.3 | Round 12 | SHANXI | 29 | 3♥ | ♠A | -1 | -5 |
| -3.6 | Round 15 | INDIA | 26 | 1N | ♦9 | -1 | -6 |
| -4.1 | Round 11 | CHINESE TAIPEI LADIES | 18 | 3♠ | ♥6 | = | -6 |
| -5.0 | Round 15 | INDIA | 30 | 4♥ | ♦5 | -1 | -11 |
| -5.1 | Round 4 | TONGJI UNIVERSITY | 5 | 2♣x | ♥10 | -1 | -7 |
| -5.2 | Round 5 | ZUOMEICHENG | 13 | 3N | ♠2 | = | -5 |
| -5.3 | Round 6 | WELLWISE | 22 | 2N | ♠10 | = | -1 |
| -5.4 | Round 4 | TONGJI UNIVERSITY | 8 | 4♦ | ♠A | = | -7 |
| -5.4 | Round 15 | INDIA | 28 | 2♠ | ♣7 | -1 | -5 |
| -5.8 | Round 5 | ZUOMEICHENG | 19 | 3♥ | ♠K | -2 | -7 |
| -6.2 | Round 5 | ZUOMEICHENG | 12 | 2♠ | ♠3 | -3 | -7 |
| -6.4 | Round 12 | SHANXI | 21 | 3♠ | ♥K | +1 | -7 |
| -7.6 | Round 12 | SHANXI | 22 | 3N | ♥5 | +2 | -8 |
| -11.2 | Round 2 | MOSCOW | 13 | 4♥ | ♥4 | = | -10 |