CHEN Yuan · CANADA WOMEN
vs par split: bidding -0.94 · play -0.01
Strength of schedule: opponents averaged -0.43/bd (an easy draw) → opponent-adjusted -0.95/bd
Card play — on target: opening leads 78.6% #195 of 345 · declarer play 70.0% #268 of 345 · defence 90.6% #44 of 345
Bidding activity — not a pass: 49.5% #30 of 345 (93/188)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 87.5% (8) |
| Declarer play | 75.0% (4) | 68.8% (16) |
| Defence | 90.9% (11) | 90.5% (21) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 66.7% (3) · ♦ 50.0% (2) · ♣ 75.0% (4)
vs par by strain: NT +0.25 (20) · a suit -1.44 (50)
vs par by level: part-score -0.21 (29) · game -1.59 (37) · slam -0.50 (4)
By role: declaring -0.93/bd (-3.97 vs par · 38) · defending -0.03/bd (+2.62 vs par · 32)
By vulnerability: vulnerable -1.17/bd (-3.37 vs par · 35) · not vulnerable +0.13/bd (+1.46 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Chen | E.Sylvester – P.Gill | Closed | 14 | -3.8 | -0.27 | -1.07 |
| Round 2 | L.Chen | D.Willecke – J.Sundstroem Brabrand | Closed | 14 | -19.3 | -1.38 | -0.29 |
| Round 3 | L.Chen | R.Ghosn – M.Guven | Closed | 14 | -29.0 | -2.07 | -1.57 |
| Round 4 | L.Chen | A.Lin – D.Rosenberg | Open | 14 | +1.3 | +0.09 | -1.93 |
| Round 5 | L.Chen | J.Glynn – R.Gosling | Open | 14 | +14.4 | +1.03 | +0.07 |
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 |
|---|---|---|---|---|---|---|---|
| +9.7 | Round 1 | APAHEILI | 6 | 4♥ | ♥9 | -1 | +12 |
| +7.7 | Round 2 | AABENRAA BC | 26 | 7♦ | ♦7 | = | -2 |
| +5.4 | Round 5 | BERMUDA TRIANGLE | 4 | 5♦ | ♥K | = | +3 |
| +5.3 | Round 5 | BERMUDA TRIANGLE | 2 | 3♠ | ♦6 | -1 | -5 |
| +4.5 | Round 4 | USA 1 WOMEN | 19 | 4♠ | ♣A | -1 | +5 |
| +4.0 | Round 5 | BERMUDA TRIANGLE | 11 | 3NT | ♠2 | +1 | +1 |
| +3.5 | Round 1 | APAHEILI | 13 | 1NT | ♦7 | -1 | +0 |
| +3.1 | Round 4 | USA 1 WOMEN | 22 | 4♥ | ♦K | +1 | +0 |
| +3.0 | Round 3 | RATRUT | 13 | 2♠ | ♦Q | -1 | -1 |
| +2.7 | Round 2 | AABENRAA BC | 21 | 6♦ | ♠2 | +1 | +11 |
| +2.5 | Round 2 | AABENRAA BC | 19 | 2♥ | ♣5 | +1 | +0 |
| +2.5 | Round 3 | RATRUT | 12 | 5♦ | ♥Q | -2 | +6 |
| +2.5 | Round 5 | BERMUDA TRIANGLE | 6 | 2NT | ♥A | = | +0 |
| +2.4 | Round 3 | RATRUT | 5 | 5♣x | ♠K | -1 | +6 |
| +2.4 | Round 4 | USA 1 WOMEN | 20 | 4♥ | ♣9 | +1 | -13 |
| +2.3 | Round 1 | APAHEILI | 3 | 4♦ | ♣A | -1 | +6 |
| +2.3 | Round 2 | AABENRAA BC | 23 | 1♠ | ♣9 | +1 | +6 |
| +2.2 | Round 5 | BERMUDA TRIANGLE | 12 | 5NT | ♥J | -2 | +11 |
| +1.8 | Round 1 | APAHEILI | 4 | 1NT | ♠T | +1 | +10 |
| +1.8 | Round 3 | RATRUT | 6 | 5♥ | ♦J | = | +1 |
| +1.8 | Round 3 | RATRUT | 11 | 3♣ | ♥K | = | +6 |
| +1.8 | Round 5 | BERMUDA TRIANGLE | 7 | 3NT | ♠2 | +1 | +1 |
| +1.6 | Round 4 | USA 1 WOMEN | 27 | 3NT | ♠K | +1 | -1 |
| +1.6 | Round 5 | BERMUDA TRIANGLE | 8 | 4♦ | ♠A | -1 | +4 |
| +1.4 | Round 4 | USA 1 WOMEN | 16 | 3NT | ♦K | +3 | +9 |
| +1.4 | Round 5 | BERMUDA TRIANGLE | 3 | 3♦ | ♥Q | = | -1 |
| +1.3 | Round 1 | APAHEILI | 14 | 1NT | ♥3 | -1 | -2 |
| +0.9 | Round 1 | APAHEILI | 11 | 2NT | ♠6 | = | +7 |
| +0.9 | Round 4 | USA 1 WOMEN | 17 | 3♥ | ♠A | -1 | -2 |
| +0.8 | Round 1 | APAHEILI | 1 | 4♠ | ♥K | = | -8 |
| +0.8 | Round 2 | AABENRAA BC | 22 | 4♠ | ♣3 | +2 | +1 |
| +0.8 | Round 5 | BERMUDA TRIANGLE | 1 | 4♥ | ♣K | +2 | +11 |
| +0.5 | Round 4 | USA 1 WOMEN | 24 | 4♥ | ♦4 | +1 | +0 |
| +0.5 | Round 4 | USA 1 WOMEN | 25 | 5♦ | ♠A | +1 | +10 |
| +0.4 | Round 2 | AABENRAA BC | 17 | 5♦x | ♣Q | -1 | +0 |
| +0.4 | Round 3 | RATRUT | 9 | 5♠ | ♥6 | = | +0 |
| +0.1 | Round 4 | USA 1 WOMEN | 28 | 1NT | ♣3 | +1 | +0 |
| -0.0 | Round 4 | USA 1 WOMEN | 23 | 4♠ | ♦J | +1 | -13 |
| -0.4 | Round 2 | AABENRAA BC | 18 | 1NT | ♣3 | +1 | +1 |
| -0.4 | Round 5 | BERMUDA TRIANGLE | 14 | 4♠ | ♣J | +1 | -11 |
| -0.5 | Round 1 | APAHEILI | 12 | 1NT | ♠8 | +2 | -10 |
| -0.6 | Round 3 | RATRUT | 1 | 3♥ | ♠A | -2 | +8 |
| -0.7 | Round 1 | APAHEILI | 8 | 2♥ | ♠5 | -2 | -1 |
| -0.7 | Round 5 | BERMUDA TRIANGLE | 9 | 2♥ | ♠9 | -2 | +1 |
| -1.0 | Round 2 | AABENRAA BC | 28 | 2♠ | ♠8 | -1 | -2 |
| -1.2 | Round 4 | USA 1 WOMEN | 15 | 3NT | ♠5 | = | +2 |
| -1.9 | Round 3 | RATRUT | 8 | 5♦ | ♠4 | -2 | +0 |
| -2.0 | Round 2 | AABENRAA BC | 20 | 5♦ | ♣A | -1 | -12 |
| -2.0 | Round 4 | USA 1 WOMEN | 18 | 4♥ | ♦A | +1 | -17 |
| -2.4 | Round 1 | APAHEILI | 5 | 3♥ | ♦J | = | -6 |
| -2.8 | Round 5 | BERMUDA TRIANGLE | 5 | 1NT | ♣A | -1 | +0 |
| -2.8 | Round 5 | BERMUDA TRIANGLE | 10 | 2NT | ♥5 | -1 | -5 |
| -3.0 | Round 1 | APAHEILI | 10 | 5♠ | ♥A | = | -4 |
| -3.2 | Round 3 | RATRUT | 3 | 2NT | ♥6 | +1 | -1 |
| -3.8 | Round 1 | APAHEILI | 9 | 3♦ | ♥T | +1 | +0 |
| -3.9 | Round 5 | BERMUDA TRIANGLE | 13 | 4♠ | ♥7 | -2 | -9 |
| -4.0 | Round 2 | AABENRAA BC | 27 | 6♠ | ♣2 | = | +0 |
| -4.3 | Round 2 | AABENRAA BC | 25 | 4♠ | ♣T | = | +0 |
| -4.4 | Round 4 | USA 1 WOMEN | 21 | 3♠ | ♣9 | -1 | -6 |
| -5.1 | Round 3 | RATRUT | 7 | 4♦ | ♠K | -1 | -6 |
| -5.9 | Round 2 | AABENRAA BC | 16 | 4♠ | ♥2 | = | -3 |
| -6.0 | Round 2 | AABENRAA BC | 24 | 4♠ | ♦7 | +2 | +10 |
| -6.1 | Round 3 | RATRUT | 2 | 5♣ | ♦2 | -1 | -12 |
| -6.1 | Round 4 | USA 1 WOMEN | 26 | 3NT | ♣Q | +1 | -1 |
| -6.5 | Round 3 | RATRUT | 4 | 5♦x | ♥3 | -1 | -12 |
| -6.7 | Round 1 | APAHEILI | 2 | 3♠ | ♥2 | +2 | -7 |
| -7.0 | Round 1 | APAHEILI | 7 | 4♠ | ♦J | -1 | -12 |
| -7.9 | Round 3 | RATRUT | 10 | 3NT | ♠5 | -1 | -6 |
| -9.6 | Round 3 | RATRUT | 14 | 6NTx | ♣A | -1 | -11 |
| -12.1 | Round 2 | AABENRAA BC | 15 | 4♠x | ♥T | -3 | -14 |