CHEN Lei · KUNMING LIJIAN
vs par split: bidding +0.29 · play -0.79
Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -1.66/bd
Card play — on target: opening leads 80.0% · declarer play 75.0% · defence 80.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 75.0% (4) |
| Declarer play | 100.0% (2) | 50.0% (2) |
| Defence | 100.0% (3) | 71.4% (7) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 0.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT +2.00 (5) · a suit -1.89 (9)
vs par by level: part-score -2.38 (8) · game +2.00 (6)
By role: declaring -3.52/bd (-4.00 vs par · 4) · defending -0.64/bd (+0.90 vs par · 10)
By vulnerability: vulnerable -2.66/bd (-4.14 vs par · 7) · not vulnerable -0.27/bd (+3.14 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Chu | G.Brekka – K.Baumann | Closed | 7 | -8.3 | -1.19 | -1.14 |
| Round 4 | Y.Chu | L.Milne – A.Griffiths | Closed | 7 | -12.2 | -1.74 | +0.14 |
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 |
|---|---|---|---|---|---|---|---|
| +7.0 | Round 4 | LITTLE MECK | 23 | 3NT | ♦4 | -2 | +8 |
| +2.6 | Round 1 | KCB | 5 | 3♠ | ♠6 | -2 | +2 |
| +2.4 | Round 1 | KCB | 1 | 3NT | ♦10 | = | -1 |
| +0.8 | Round 1 | KCB | 2 | 2♥ | ♦9 | +3 | +10 |
| +0.1 | Round 4 | LITTLE MECK | 25 | 3NT | ♠Q | = | +0 |
| -0.8 | Round 4 | LITTLE MECK | 27 | 4♠ | ♦5 | +2 | +11 |
| -1.1 | Round 1 | KCB | 6 | 2♥ | ♣6 | -3 | -10 |
| -1.8 | Round 4 | LITTLE MECK | 24 | 2♥ | ♣A | = | +0 |
| -2.6 | Round 1 | KCB | 7 | 4♠ | ♣8 | -1 | -6 |
| -3.5 | Round 1 | KCB | 3 | 2♠ | ♦8 | = | -6 |
| -4.5 | Round 4 | LITTLE MECK | 26 | 2♠ | ♥10 | = | -6 |
| -5.2 | Round 4 | LITTLE MECK | 22 | 3NT | ♠8 | = | +0 |
| -6.9 | Round 1 | KCB | 4 | 2NTx | ♥6 | -2 | +3 |
| -7.0 | Round 4 | LITTLE MECK | 28 | 3♦ | ♠4 | -1 | -12 |