ZHOU Yong Mei · SAIC
vs par split: bidding -0.45 · play -1.45
Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -1.33/bd
Card play — on target: opening leads 75.0% · declarer play 60.0% · defence 72.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 50.0% (2) |
| Declarer play | 50.0% (2) | 66.7% (3) |
| Defence | 83.3% (6) | 60.0% (5) |
Opening leads by suit led: ♠ 0.0% (1) · ♣ 100.0% (3)
vs par by strain: NT -1.11 (9) · a suit -3.42 (12)
vs par by level: part-score -2.43 (7) · game -2.27 (11) · slam -3.00 (3)
By role: declaring -0.59/bd (-4.90 vs par · 10) · defending -2.25/bd (-0.18 vs par · 11)
By vulnerability: vulnerable -0.40/bd (-3.80 vs par · 10) · not vulnerable -2.42/bd (-1.18 vs par · 11)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Hu | H.Chen – T.Zhou | Open | 7 | -13.7 | -1.96 | -3.14 |
| Round 2 | M.Hu | M.Sheng – L.Zhou | Closed | 7 | -13.8 | -1.97 | -2.29 |
| Round 4 | M.Hu | B.Zhang – N.Wang | Closed | 7 | -3.1 | -0.44 | -1.86 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 4 | SHENZHEN NANGANG POWER | 23 | 6♥ | ♣9 | = | +0 |
| +3.3 | Round 2 | GZ. ZHAOHENG2 | 11 | 2♠ | ♦K | -2 | +6 |
| +2.6 | Round 1 | RADIO COMMUNICATIONS OF CAS | 6 | 4♦ | ♣J | = | +0 |
| +2.1 | Round 1 | RADIO COMMUNICATIONS OF CAS | 5 | 2NT | ♠Q | -2 | +5 |
| +0.6 | Round 1 | RADIO COMMUNICATIONS OF CAS | 4 | 1NT | ♣9 | +1 | -10 |
| +0.3 | Round 2 | GZ. ZHAOHENG2 | 13 | 3NT | ♠5 | = | +0 |
| +0.1 | Round 4 | SHENZHEN NANGANG POWER | 25 | 3NT | ♠5 | = | +0 |
| -0.3 | Round 4 | SHENZHEN NANGANG POWER | 26 | 3♠ | ♣A | +1 | -10 |
| -1.7 | Round 1 | RADIO COMMUNICATIONS OF CAS | 2 | 4♥ | ♠5 | +3 | -2 |
| -1.8 | Round 4 | SHENZHEN NANGANG POWER | 28 | 2♥ | ♥6 | +2 | -1 |
| -2.0 | Round 1 | RADIO COMMUNICATIONS OF CAS | 3 | 3NT | ♠3 | = | -3 |
| -2.3 | Round 2 | GZ. ZHAOHENG2 | 9 | 2♠ | ♣3 | +2 | -7 |
| -2.3 | Round 2 | GZ. ZHAOHENG2 | 10 | 3NT | ♣8 | = | +0 |
| -2.4 | Round 2 | GZ. ZHAOHENG2 | 8 | 5♥ | ♠A | +1 | -1 |
| -2.5 | Round 4 | SHENZHEN NANGANG POWER | 27 | 5♣ | ♦A | -1 | -4 |
| -2.8 | Round 4 | SHENZHEN NANGANG POWER | 24 | 3NT | ♠6 | +2 | +0 |
| -4.4 | Round 1 | RADIO COMMUNICATIONS OF CAS | 1 | 3NT | ♠7 | = | +1 |
| -4.7 | Round 2 | GZ. ZHAOHENG2 | 12 | 3NT | ♣4 | = | -3 |
| -5.7 | Round 2 | GZ. ZHAOHENG2 | 14 | 6♠ | ♥4 | -2 | -11 |
| -8.1 | Round 4 | SHENZHEN NANGANG POWER | 22 | 6♦ | ♠3 | = | +2 |
| -10.9 | Round 1 | RADIO COMMUNICATIONS OF CAS | 7 | 5♥ | -1 | -13 |