CHEN Zhongsheng · XBA
vs par split: bidding +1.15 · play -0.58
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.57/bd
Card play — on target: opening leads 80.0% #67 of 207 · declarer play 64.3% #163 of 206 · defence 85.7% #98 of 208
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 75.0% (16) |
| Declarer play | 66.7% (3) | 63.6% (11) |
| Defence | 80.0% (5) | 87.0% (23) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 60.0% (5) · ♦ 100.0% (6) · ♣ 75.0% (4)
vs par by strain: NT +0.56 (9) · a suit +0.56 (39)
vs par by level: part-score +3.50 (14) · game -0.33 (33) · slam -11.00 (1)
By role: declaring +0.09/bd (-1.91 vs par · 21) · defending +0.67/bd (+2.54 vs par · 28)
By vulnerability: vulnerable -0.34/bd (+1.46 vs par · 24) · not vulnerable +1.16/bd (-0.16 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | R.Xu | X.Shi – C.Hu | Open | 7 | -1.8 | -0.26 | -1.29 |
| Round 2 | R.Xu | S.Gillis – M.Harding | Closed | 7 | -1.2 | -0.17 | -1.14 |
| Round 4 | R.Xu | B.Senior – S.Penfold | Closed | 7 | +18.9 | +2.70 | +4.43 |
| Round 5 | R.Xu | P.Lewis – L.Lewis | Open | 7 | -4.9 | -0.70 | +3.14 |
| Round 6 | R.Xu | X.Bao – S.Liu | Closed | 7 | +4.6 | +0.66 | -0.14 |
| Round 7 | R.Xu | F.Xu – H.Jiang | Open | 7 | +10.2 | +1.46 | +1.57 |
| Round 8 | R.Xu | B.Myers – S.Brock | Closed | 7 | -5.1 | -0.73 | -2.14 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 7 | GSRC & S UNITED | 16 | 2♥x | ♦2 | -3 | +9 |
| +8.4 | Round 4 | PENFOLD | 27 | 4♣x | ♣J | -3 | +12 |
| +8.4 | Round 6 | SHANGHAI YITONG | 13 | 4♥x | ♠7 | = | +14 |
| +6.9 | Round 1 | SHENZHEN NANGANG POWER | 7 | 4♠ | ♥3 | -2 | +8 |
| +6.2 | Round 5 | GLASSON | 1 | 4♠ | ♥3 | -1 | +10 |
| +5.6 | Round 8 | BROCK | 26 | 4♠ | ♠4 | = | +0 |
| +5.5 | Round 2 | GILLIS | 9 | 1NTx | ♣4 | -2 | +9 |
| +4.9 | Round 4 | PENFOLD | 26 | 4♣ | ♥A | +1 | +12 |
| +4.6 | Round 4 | PENFOLD | 25 | 4♥ | ♠A | -2 | +8 |
| +4.6 | Round 7 | GSRC & S UNITED | 18 | 4♠ | ♣Q | +1 | +0 |
| +4.6 | Round 7 | GSRC & S UNITED | 19 | 4♠ | ♦10 | -1 | +5 |
| +4.3 | Round 8 | BROCK | 24 | 4♥ | ♦8 | = | +0 |
| +4.0 | Round 1 | SHENZHEN NANGANG POWER | 3 | 3♣ | ♠K | = | -1 |
| +3.1 | Round 1 | SHENZHEN NANGANG POWER | 5 | 1NT | ♠4 | -2 | +0 |
| +3.1 | Round 2 | GILLIS | 11 | 5♥ | ♦A | +1 | +1 |
| +2.9 | Round 6 | SHANGHAI YITONG | 11 | 3NT | ♦A | = | -2 |
| +1.4 | Round 4 | PENFOLD | 23 | 3NT | ♠10 | = | +0 |
| +1.2 | Round 1 | SHENZHEN NANGANG POWER | 4 | Pass | +4 | ||
| +1.1 | Round 4 | PENFOLD | 22 | 4♠ | ♦K | +1 | +0 |
| +0.9 | Round 6 | SHANGHAI YITONG | 14 | 4♥ | ♣2 | -2 | -1 |
| +0.8 | Round 4 | PENFOLD | 28 | 2♣ | ♠J | -2 | +0 |
| +0.7 | Round 6 | SHANGHAI YITONG | 12 | 2NT | ♣4 | = | +7 |
| +0.4 | Round 8 | BROCK | 27 | 2♥x | ♠2 | -2 | +3 |
| +0.1 | Round 5 | GLASSON | 2 | 3♣ | ♠6 | = | +0 |
| -0.0 | Round 5 | GLASSON | 6 | 3♥ | ♦K | +1 | +4 |
| -0.1 | Round 8 | BROCK | 22 | 4♥ | ♦9 | = | -1 |
| -0.2 | Round 1 | SHENZHEN NANGANG POWER | 6 | 4♥ | ♣K | +2 | -1 |
| -0.3 | Round 7 | GSRC & S UNITED | 17 | 4♠ | ♦2 | = | +1 |
| -0.5 | Round 5 | GLASSON | 3 | 2♠ | ♠5 | +1 | +0 |
| -0.5 | Round 8 | BROCK | 23 | 3NT | ♠2 | +1 | +1 |
| -1.0 | Round 7 | GSRC & S UNITED | 20 | 4♠ | ♥3 | = | +1 |
| -1.2 | Round 2 | GILLIS | 13 | 4♠ | ♦8 | = | +1 |
| -1.5 | Round 2 | GILLIS | 14 | 4♠ | ♣K | +1 | -14 |
| -2.0 | Round 5 | GLASSON | 4 | 4♠ | ♣8 | +1 | +0 |
| -2.1 | Round 2 | GILLIS | 8 | 4♠x | ♥Q | -2 | -5 |
| -2.2 | Round 6 | SHANGHAI YITONG | 10 | 4♠ | ♦7 | = | +0 |
| -2.3 | Round 4 | PENFOLD | 24 | 2♥ | ♦9 | +1 | -1 |
| -2.4 | Round 2 | GILLIS | 10 | 4♠ | ♦6 | +1 | +0 |
| -2.6 | Round 2 | GILLIS | 12 | 4♥ | ♣7 | = | +0 |
| -2.9 | Round 6 | SHANGHAI YITONG | 8 | 3NT | ♥10 | -1 | -5 |
| -3.2 | Round 6 | SHANGHAI YITONG | 9 | 5♣ | ♥A | = | -14 |
| -3.6 | Round 7 | GSRC & S UNITED | 15 | 3NT | ♠10 | = | +0 |
| -3.7 | Round 5 | GLASSON | 5 | 1NT | ♠4 | = | -5 |
| -4.7 | Round 7 | GSRC & S UNITED | 21 | 4♠ | ♠J | -1 | -5 |
| -5.0 | Round 5 | GLASSON | 7 | 4♠ | ♦K | +1 | +13 |
| -6.6 | Round 8 | BROCK | 25 | 6♥ | ♠Q | -1 | -11 |
| -8.0 | Round 1 | SHENZHEN NANGANG POWER | 1 | 5♦ | ♥A | -1 | -10 |
| -8.2 | Round 8 | BROCK | 28 | 4♥ | ♠6 | +1 | -7 |
| -8.8 | Round 1 | SHENZHEN NANGANG POWER | 2 | 4♠x | ♣A | -3 | -9 |