CHEN Jien · ZHEJIANG JINGFAN
vs par split: bidding +0.36 · play -0.45
Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -0.53/bd
Card play — on target: opening leads 90.9% #44 of 310 · declarer play 91.7% #39 of 310 · defence 73.9% #284 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 90.0% (10) |
| Declarer play | 100.0% (3) | 88.9% (9) |
| Defence | 80.0% (5) | 72.2% (18) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (2) · ♦ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -1.00 (9) · a suit +0.15 (33)
vs par by level: part-score +1.22 (18) · game -0.68 (22) · slam -5.50 (2)
By role: declaring +0.59/bd (-1.68 vs par · 19) · defending -1.70/bd (+1.22 vs par · 23)
By vulnerability: vulnerable -1.69/bd (-1.80 vs par · 20) · not vulnerable +0.27/bd (+1.46 vs par · 22)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Cai | Z.Wang – D.Zou | Open | 7 | -3.7 | -0.53 | -1.00 |
| Round 2 | Y.Cai | E.Lindqvist – B.Brogeland | Closed | 7 | +10.9 | +1.56 | +4.57 |
| Round 3 | Y.Cai | G.Venkatesh – J.Shah | Open | 7 | -7.3 | -1.04 | -0.86 |
| Round 4 | Y.Cai | S.Behuria – M.Hooda | Open | 7 | -9.7 | -1.39 | +0.29 |
| Round 5 | Y.Cai | J.Wang – J.Gu | Open | 7 | +3.5 | +0.50 | -0.43 |
| Round 8 | Y.Cai | D.Molenaar – T.Verbeek | Open | 7 | -21.5 | -3.07 | -3.14 |
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 |
|---|---|---|---|---|---|---|---|
| +10.4 | Round 1 | HEILONGJIANG TEAM | 3 | 2♠x | ♣K | = | +12 |
| +8.6 | Round 1 | HEILONGJIANG TEAM | 4 | 4♥ | ♥3 | = | +0 |
| +8.4 | Round 3 | TEXAN ACES | 20 | 3NT | ♦5 | = | +10 |
| +4.4 | Round 2 | GILLIS | 13 | 4♠ | ♥2 | +3 | +17 |
| +4.4 | Round 5 | P D TRANSNATIONAL | 3 | 2♦x | ♠2 | -2 | +7 |
| +3.9 | Round 2 | GILLIS | 8 | 1NT | ♠2 | -1 | +5 |
| +3.9 | Round 4 | AZURE | 24 | 2♠ | ♥5 | -2 | +5 |
| +3.7 | Round 8 | NETHERLANDS | 24 | 5♣ | ♦A | -2 | +6 |
| +3.6 | Round 2 | GILLIS | 11 | 4♠ | ♥2 | -1 | +4 |
| +3.1 | Round 5 | P D TRANSNATIONAL | 7 | 6♥ | ♠A | = | +0 |
| +2.5 | Round 8 | NETHERLANDS | 27 | 4♠ | ♥2 | = | +0 |
| +1.6 | Round 2 | GILLIS | 14 | 3♠ | ♦J | -1 | +4 |
| +1.0 | Round 3 | TEXAN ACES | 21 | 2♣ | ♥10 | +3 | +10 |
| +1.0 | Round 5 | P D TRANSNATIONAL | 6 | 6NT | ♣9 | = | -11 |
| +0.7 | Round 2 | GILLIS | 9 | 2♠ | ♠10 | +1 | +0 |
| +0.3 | Round 3 | TEXAN ACES | 15 | 4♥ | ♠10 | +2 | -11 |
| +0.3 | Round 4 | AZURE | 23 | 2♣ | ♦5 | +2 | +0 |
| +0.1 | Round 4 | AZURE | 25 | 3NT | ♠Q | = | +0 |
| +0.0 | Round 1 | HEILONGJIANG TEAM | 5 | 2♠ | ♠3 | -1 | +1 |
| -0.1 | Round 5 | P D TRANSNATIONAL | 1 | 4♥ | ♣A | = | -1 |
| -0.3 | Round 2 | GILLIS | 12 | 4♣ | ♠A | -1 | +2 |
| -0.4 | Round 5 | P D TRANSNATIONAL | 2 | 3♥ | ♣3 | -1 | +1 |
| -0.4 | Round 8 | NETHERLANDS | 25 | 3♣ | ♣2 | -1 | -1 |
| -0.8 | Round 1 | HEILONGJIANG TEAM | 2 | 2♥ | ♠3 | +3 | -10 |
| -0.8 | Round 4 | AZURE | 27 | 4♠ | ♦4 | +2 | +11 |
| -2.1 | Round 5 | P D TRANSNATIONAL | 4 | 4♠ | ♣9 | -1 | -6 |
| -2.3 | Round 3 | TEXAN ACES | 19 | 4♠ | ♦K | = | -6 |
| -2.4 | Round 5 | P D TRANSNATIONAL | 5 | 3♠ | ♠2 | = | +7 |
| -2.5 | Round 3 | TEXAN ACES | 18 | 3♥ | ♦5 | = | -6 |
| -3.0 | Round 1 | HEILONGJIANG TEAM | 1 | 4♥ | ♦3 | = | +0 |
| -3.0 | Round 2 | GILLIS | 10 | 3NTx | ♥7 | -2 | +0 |
| -3.4 | Round 8 | NETHERLANDS | 22 | 1NT | ♥Q | +2 | -1 |
| -4.0 | Round 4 | AZURE | 26 | 3♦ | ♠3 | -1 | -5 |
| -4.0 | Round 4 | AZURE | 28 | 4♠x | ♦K | -1 | -9 |
| -5.2 | Round 4 | AZURE | 22 | 3NT | ♦2 | = | +0 |
| -5.4 | Round 3 | TEXAN ACES | 16 | 4♥ | ♣5 | = | +0 |
| -6.4 | Round 8 | NETHERLANDS | 28 | 5♥x | ♠A | -2 | -5 |
| -6.8 | Round 3 | TEXAN ACES | 17 | 4♠ | ♠2 | = | -3 |
| -7.8 | Round 8 | NETHERLANDS | 26 | 3NT | ♥6 | -1 | -12 |
| -7.9 | Round 1 | HEILONGJIANG TEAM | 6 | 3NT | ♥4 | = | +0 |
| -9.7 | Round 8 | NETHERLANDS | 23 | 3♣ | ♣2 | -5 | -9 |
| -11.0 | Round 1 | HEILONGJIANG TEAM | 7 | 4♠ | ♥A | = | -10 |