CHEN Shijie · JINCHENGCHEMICAL ENGINEERING F
vs par split: bidding +0.16 · play +0.45
Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted -1.45/bd
Card play — on target: opening leads 82.4% #213 of 579 · declarer play 72.7% #292 of 579 · defence 100.0% #1 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 90.9% (11) |
| Declarer play | 100.0% (2) | 66.7% (9) |
| Defence | 100.0% (11) | 100.0% (16) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 80.0% (5) · ♦ 75.0% (4) · ♣ 75.0% (4)
vs par by strain: NT +2.33 (18) · a suit -0.21 (38)
vs par by level: part-score -0.12 (17) · game +1.67 (33) · slam -3.17 (6)
By role: declaring -2.38/bd (-3.79 vs par · 29) · defending -0.19/bd (+5.33 vs par · 27)
By vulnerability: vulnerable -0.31/bd (+1.54 vs par · 28) · not vulnerable -2.33/bd (-0.32 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | G.Wei | J.Hurd – J.Wooldridge | Closed | 7 | -12.6 | -1.80 | +0.00 |
| Round 2 | G.Wei | P.Gill – G.Fleischer | Open | 7 | -12.9 | -1.84 | -4.00 |
| Round 3 | G.Wei | M.Fleisher – C.Martel | Closed | 7 | -8.6 | -1.23 | +1.00 |
| Round 4 | G.Wei | H.Zhu – Y.Lin | Closed | 7 | -11.9 | -1.70 | +3.29 |
| Round 5 | G.Wei | M.Briciu – C.Teodorescu | Closed | 7 | -8.7 | -1.24 | -1.71 |
| Round 6 | G.Wei | R.Mihai – P.Weinstock | Closed | 7 | -1.0 | -0.14 | +3.00 |
| Round 7 | G.Wei | P.Hollands – J.Howard | Open | 7 | -1.9 | -0.27 | +1.57 |
| Round 8 | G.Wei | H.Vahaboglu – F.Aydogdu | Open | 7 | -16.4 | -2.34 | +1.71 |
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 |
|---|---|---|---|---|---|---|---|
| +5.9 | Round 5 | ROMANIA | 6 | 6♣ | ♠3 | +1 | +13 |
| +5.5 | Round 5 | ROMANIA | 4 | 3NT | ♣5 | = | -1 |
| +5.4 | Round 6 | WEINSTOCK | 10 | 3NTx | ♠Q | -1 | +8 |
| +4.6 | Round 4 | DALIAN | 23 | 6NT | ♦10 | -2 | +17 |
| +4.5 | Round 3 | FLEISHER | 21 | 6♠ | ♥6 | = | -13 |
| +3.7 | Round 7 | SILVERFOX | 16 | 4♣ | ♦7 | +1 | +10 |
| +3.5 | Round 6 | WEINSTOCK | 12 | 3NT | ♣2 | -1 | +10 |
| +3.4 | Round 3 | FLEISHER | 18 | 4♠ | ♥Q | -4 | +3 |
| +3.1 | Round 2 | BILSKI | 8 | 3♣ | ♥7 | = | +0 |
| +2.0 | Round 3 | FLEISHER | 15 | 2♠ | ♦4 | = | +0 |
| +2.0 | Round 7 | SILVERFOX | 21 | 4♠ | ♥5 | -1 | +5 |
| +1.9 | Round 1 | LEBRON | 2 | 3NT | ♥5 | -2 | +6 |
| +1.9 | Round 1 | LEBRON | 4 | 1NT | ♣8 | = | +5 |
| +1.8 | Round 8 | TURKEY | 28 | 4♥ | ♣3 | -1 | +10 |
| +1.2 | Round 6 | WEINSTOCK | 11 | 3♠ | ♦5 | -2 | -1 |
| +1.2 | Round 8 | TURKEY | 24 | 4♠x | ♣9 | -2 | +4 |
| +1.1 | Round 2 | BILSKI | 13 | 5♥ | ♠A | = | +0 |
| +0.6 | Round 3 | FLEISHER | 17 | 2♠ | ♦7 | -1 | +3 |
| +0.4 | Round 6 | WEINSTOCK | 14 | 5♠x | ♦K | -2 | +0 |
| +0.3 | Round 2 | BILSKI | 11 | 4♠ | ♥K | +1 | -10 |
| +0.3 | Round 7 | SILVERFOX | 17 | 3♠ | ♦A | +1 | +1 |
| +0.1 | Round 4 | DALIAN | 26 | 5♦ | ♣Q | +1 | +13 |
| +0.0 | Round 4 | DALIAN | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | DALIAN | 25 | 4♠ | ♦7 | +1 | +12 |
| -0.2 | Round 1 | LEBRON | 5 | 2♠ | ♠3 | +1 | +0 |
| -0.2 | Round 5 | ROMANIA | 3 | 3NT | ♦J | -1 | -5 |
| -0.6 | Round 5 | ROMANIA | 2 | 2♥ | ♠6 | +1 | +0 |
| -0.6 | Round 7 | SILVERFOX | 20 | 4♠ | ♣2 | +1 | -13 |
| -0.9 | Round 6 | WEINSTOCK | 13 | 2♠ | ♥A | +1 | +0 |
| -1.0 | Round 7 | SILVERFOX | 15 | 5♥ | ♠K | -3 | +12 |
| -1.1 | Round 6 | WEINSTOCK | 9 | 4♥ | ♣3 | = | +13 |
| -1.5 | Round 8 | TURKEY | 27 | 3♠ | ♥A | -1 | +2 |
| -2.0 | Round 3 | FLEISHER | 19 | 4NT | ♦6 | = | +17 |
| -2.0 | Round 8 | TURKEY | 26 | 3NT | ♥Q | = | +0 |
| -2.2 | Round 1 | LEBRON | 7 | 5♣ | ♥6 | = | +1 |
| -2.6 | Round 5 | ROMANIA | 1 | 3NT | ♥3 | +1 | -1 |
| -2.8 | Round 7 | SILVERFOX | 18 | 1NT | ♥5 | +1 | +1 |
| -3.0 | Round 1 | LEBRON | 1 | 3NT | ♠2 | -4 | -7 |
| -3.2 | Round 4 | DALIAN | 27 | 5♣ | ♥6 | = | +0 |
| -3.4 | Round 2 | BILSKI | 14 | 2♥ | ♥3 | = | -6 |
| -3.5 | Round 2 | BILSKI | 10 | 3NT | ♦10 | +1 | +0 |
| -3.5 | Round 4 | DALIAN | 28 | 3NT | ♣4 | -2 | -8 |
| -3.5 | Round 7 | SILVERFOX | 19 | 3♣ | ♥10 | -1 | -5 |
| -3.6 | Round 2 | BILSKI | 12 | 5♣x | ♠3 | -1 | -2 |
| -3.8 | Round 3 | FLEISHER | 20 | 3NT | ♠9 | +2 | +12 |
| -4.1 | Round 1 | LEBRON | 6 | 3NT | ♦J | -1 | +2 |
| -4.3 | Round 8 | TURKEY | 25 | 5♦ | ♠A | = | +0 |
| -5.0 | Round 8 | TURKEY | 23 | 2♠ | ♦10 | -1 | -5 |
| -5.3 | Round 5 | ROMANIA | 5 | 4♥ | ♠3 | -1 | -6 |
| -6.6 | Round 8 | TURKEY | 22 | 3NT | ♣10 | = | +1 |
| -6.9 | Round 1 | LEBRON | 3 | 2♥ | ♦9 | -3 | -7 |
| -6.9 | Round 2 | BILSKI | 9 | 6♣ | ♦A | -1 | -10 |
| -9.5 | Round 6 | WEINSTOCK | 8 | 4♠x | ♣K | -4 | -9 |
| -9.9 | Round 4 | DALIAN | 24 | 6♦ | ♠K | -2 | -11 |
| -11.4 | Round 5 | ROMANIA | 7 | 4♠ | ♥3 | -1 | -12 |
| -13.3 | Round 3 | FLEISHER | 16 | 6NT | ♣6 | -4 | -15 |