GU Yan · QIANWEI
632rank
-21.6Butler · 14 bds
-1.54per board
±4.5swing
-4.14vs par /bd
-1.35adjusted /bd
by round
vs par split: bidding -2.21 · play -1.93
Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted -1.35/bd
Card play — on target: opening leads 100.0% · declarer play 0.0% · defence 66.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (2) |
| Declarer play | 0.0% (1) | · |
| Defence | 66.7% (3) | 66.7% (3) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (1) · ♦ 100.0% (1)
vs par by strain: NT -4.00 (6) · a suit -4.25 (8)
vs par by level: part-score -2.57 (7) · game -5.71 (7)
By role: declaring -2.88/bd (-7.00 vs par · 8) · defending +0.23/bd (-0.33 vs par · 6)
By vulnerability: vulnerable -2.56/bd (-7.00 vs par · 7) · not vulnerable -0.53/bd (-1.29 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Wang | K.Bendre – S.Thakral | Open | 7 | -13.4 | -1.91 | -3.86 |
| Round 6 | D.Wu | J.Alfonsin – M.Villegas | Closed | 7 | -8.2 | -1.17 | -4.43 |
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 |
|---|---|---|---|---|---|---|---|
| +7.6 | Round 6 | VIRGINIA | 12 | 3NT | ♥J | +3 | +2 |
| +4.1 | Round 1 | HEMANT JALAN | 6 | 3NT | ♦Q | -1 | -2 |
| +1.1 | Round 1 | HEMANT JALAN | 5 | 1NT | ♠A | +1 | +1 |
| +0.5 | Round 6 | VIRGINIA | 9 | 3NT | ♠Q | = | -13 |
| +0.3 | Round 1 | HEMANT JALAN | 1 | 3♦ | ♠A | -2 | +5 |
| -0.1 | Round 6 | VIRGINIA | 13 | 2♦ | ♠A | -1 | -1 |
| -0.4 | Round 6 | VIRGINIA | 14 | 5♠x | ♦A | -2 | +0 |
| -1.9 | Round 1 | HEMANT JALAN | 2 | 4♠ | ♥Q | -2 | -6 |
| -1.9 | Round 1 | HEMANT JALAN | 4 | 1NT | ♥5 | = | -5 |
| -2.1 | Round 6 | VIRGINIA | 11 | 4♣ | ♦8 | = | +0 |
| -4.9 | Round 1 | HEMANT JALAN | 3 | 2NT | ♣Q | -4 | -7 |
| -5.4 | Round 6 | VIRGINIA | 10 | 4♠x | ♦K | -1 | -8 |
| -8.3 | Round 6 | VIRGINIA | 8 | 3♦ | ♦J | -2 | -11 |
| -10.2 | Round 1 | HEMANT JALAN | 7 | 5♣ | ♥6 | -2 | -13 |