CHEN Renzhou · ZHEJIANG JUXIN
vs par split: bidding +1.10 · play +0.22
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted -0.70/bd
Card play — on target: opening leads 91.7% #71 of 579 · declarer play 54.5% #514 of 579 · defence 87.5% #274 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 88.9% (9) |
| Declarer play | 50.0% (2) | 55.6% (9) |
| Defence | 100.0% (7) | 82.4% (17) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (3) · ♦ 100.0% (3) · ♣ 100.0% (3)
vs par by strain: NT +3.50 (12) · a suit +0.62 (37)
vs par by level: part-score +0.30 (20) · game +1.58 (24) · slam +4.20 (5)
By role: declaring -1.57/bd (-2.64 vs par · 25) · defending +0.38/bd (+5.46 vs par · 24)
By vulnerability: vulnerable -1.14/bd (-0.08 vs par · 24) · not vulnerable -0.11/bd (+2.68 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Jiang | A.Aydin – U.Suzer | Open | 7 | -18.5 | -2.64 | -4.43 |
| Round 2 | L.Jiang | J.Wang – H.Cui | Open | 7 | -19.1 | -2.73 | -0.71 |
| Round 4 | L.Jiang | S.Liu – Y.Liang | Closed | 7 | -1.9 | -0.27 | +4.43 |
| Round 5 | L.Jiang | T.Yao – D.Li | Open | 7 | -18.6 | -2.66 | -2.43 |
| Round 6 | L.Jiang | R.Cooper – G.Bilal | Closed | 7 | +7.6 | +1.09 | +4.29 |
| Round 7 | L.Jiang | I.Al-Qattan – PARASRAMPURIA B.N. | Closed | 7 | -1.5 | -0.21 | +1.29 |
| Round 8 | L.Jiang | X.Feng – L.Gu | Closed | 7 | +21.9 | +3.13 | +6.86 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 8 | CHANGYU | 26 | 3NT | ♥Q | -4 | +14 |
| +7.6 | Round 8 | CHANGYU | 22 | 6NT | ♣10 | -3 | +14 |
| +5.0 | Round 4 | DONGFENG FENGSHEN | 27 | 2♦ | ♥J | -1 | +8 |
| +5.0 | Round 6 | BILAL | 12 | 3NT | ♣2 | -2 | +11 |
| +5.0 | Round 6 | BILAL | 13 | 4♠ | ♠2 | -1 | +6 |
| +4.6 | Round 4 | DONGFENG FENGSHEN | 23 | 6NT | ♦9 | -2 | +17 |
| +4.2 | Round 6 | BILAL | 14 | 5♥ | ♠A | = | +4 |
| +3.7 | Round 7 | THE KINGS | 16 | 2♦ | ♠9 | +3 | +10 |
| +3.7 | Round 7 | THE KINGS | 17 | 3♦x | ♠Q | -2 | +4 |
| +3.5 | Round 8 | CHANGYU | 28 | 4♥ | ♣3 | -2 | +11 |
| +1.8 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 14 | 2♠ | ♥K | -1 | +4 |
| +1.8 | Round 7 | THE KINGS | 18 | 3NT | ♥5 | -1 | +5 |
| +1.3 | Round 6 | BILAL | 11 | 2♥ | ♣2 | = | -1 |
| +1.2 | Round 8 | CHANGYU | 24 | 4♠x | ♣9 | -2 | +4 |
| +1.0 | Round 5 | TIANJIN COM-JADEITE | 7 | 4♠ | ♥5 | = | +0 |
| +0.7 | Round 4 | DONGFENG FENGSHEN | 24 | 5♦ | ♠Q | = | -2 |
| +0.4 | Round 5 | TIANJIN COM-JADEITE | 5 | 2♥ | ♣A | +1 | +0 |
| +0.4 | Round 7 | THE KINGS | 19 | 2♦ | ♠A | +1 | -1 |
| +0.4 | Round 8 | CHANGYU | 23 | 1NT | ♦6 | +1 | +0 |
| +0.3 | Round 7 | THE KINGS | 20 | 4♠ | ♦7 | +2 | -13 |
| +0.0 | Round 4 | DONGFENG FENGSHEN | 22 | 2♥ | ♦K | +1 | +0 |
| +0.0 | Round 4 | DONGFENG FENGSHEN | 25 | 3NT | ♣4 | +2 | +12 |
| -0.2 | Round 1 | AYDIN | 6 | 3♣ | ♥A | +1 | -6 |
| -0.3 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 11 | 4♠ | ♥10 | +1 | +10 |
| -0.6 | Round 5 | TIANJIN COM-JADEITE | 2 | 3♥ | ♠9 | = | +0 |
| -0.7 | Round 1 | AYDIN | 5 | 2♠ | ♥3 | +2 | -1 |
| -0.8 | Round 1 | AYDIN | 3 | 3♠ | ♦5 | -2 | -2 |
| -0.8 | Round 4 | DONGFENG FENGSHEN | 28 | 3NT | ♣4 | -1 | -6 |
| -1.1 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 13 | 4♥ | ♣9 | +1 | +0 |
| -1.2 | Round 6 | BILAL | 10 | 3♠ | ♦A | = | +0 |
| -1.5 | Round 8 | CHANGYU | 27 | 3♠ | ♥J | -1 | +2 |
| -1.8 | Round 5 | TIANJIN COM-JADEITE | 1 | 3NT | ♥6 | = | +0 |
| -1.9 | Round 1 | AYDIN | 2 | 3NT | ♥5 | -2 | -6 |
| -1.9 | Round 5 | TIANJIN COM-JADEITE | 3 | 3NT | ♠7 | -2 | -6 |
| -2.0 | Round 6 | BILAL | 9 | 4♥ | ♣3 | +1 | +12 |
| -2.0 | Round 8 | CHANGYU | 25 | 4♠x | ♦A | -3 | +3 |
| -2.3 | Round 1 | AYDIN | 4 | 3♥ | ♥5 | -1 | -6 |
| -2.6 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 12 | 1♠ | ♦5 | -1 | -5 |
| -3.1 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 8 | 2♠ | ♥K | -2 | +0 |
| -3.1 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 9 | 5♣ | ♦K | = | +0 |
| -3.1 | Round 7 | THE KINGS | 15 | 5♦ | ♥K | = | +11 |
| -3.4 | Round 1 | AYDIN | 1 | 2♠ | ♦J | -1 | +2 |
| -4.7 | Round 6 | BILAL | 8 | 3♠x | ♥10 | -3 | -2 |
| -6.5 | Round 5 | TIANJIN COM-JADEITE | 6 | 7♣ | ♣3 | = | +2 |
| -8.3 | Round 7 | THE KINGS | 21 | 4♠ | ♦3 | = | -7 |
| -9.2 | Round 1 | AYDIN | 7 | 5♣ | ♥6 | -1 | -12 |
| -9.2 | Round 5 | TIANJIN COM-JADEITE | 4 | 3NT | ♣6 | -2 | -13 |
| -10.7 | Round 2 | SHAANXI ELECTRIC POWER DESIGN | 10 | 6♦ | ♥5 | -3 | -14 |
| -11.4 | Round 4 | DONGFENG FENGSHEN | 26 | 6♦ | ♣K | = | +2 |