🇨🇳 YAN Ru · CHINA
1rank
+18.4Butler · 16 bds
+1.15per board
±5.4swing
+0.44vs par /bd
+1.21adjusted /bd
by round
vs par split: bidding -0.12 · play +0.56
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +1.21/bd
Card play — on target: opening leads 50.0% · declarer play 80.0% · defence 87.5%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 50.0% (2) |
| Declarer play | 100.0% (1) | 75.0% (4) |
| Defence | 66.7% (3) | 100.0% (5) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 100.0% (1) · ♦ 100.0% (1)
vs par by strain: NT +0.83 (6) · a suit +0.20 (10)
vs par by level: part-score -0.75 (4) · game +0.83 (12)
By role: declaring +0.90/bd (-2.12 vs par · 8) · defending +1.40/bd (+3.00 vs par · 8)
By vulnerability: vulnerable -0.80/bd (+0.88 vs par · 8) · not vulnerable +3.10/bd (+0.00 vs par · 8)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | Y.Li | T.Sokolow – J.Seamon-Molson | Open | 16 | +18.4 | +1.15 | +0.44 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Quarterfinal | 🇺🇸 USA2 | 39 | 4♥ | ♠3 | -2 | +13 |
| +8.9 | Quarterfinal | 🇺🇸 USA2 | 33 | 3NTx | ♠10 | -2 | +10 |
| +6.1 | Quarterfinal | 🇺🇸 USA2 | 40 | 3NT | ♦2 | +1 | +1 |
| +6.0 | Quarterfinal | 🇺🇸 USA2 | 43 | 3NT | ♥K | = | +0 |
| +4.3 | Quarterfinal | 🇺🇸 USA2 | 44 | 2NT | ♦6 | -2 | +2 |
| +0.9 | Quarterfinal | 🇺🇸 USA2 | 47 | 3♠ | ♥J | = | -7 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 37 | 4♥ | ♥5 | +1 | +0 |
| -0.1 | Quarterfinal | 🇺🇸 USA2 | 38 | 3♦ | ♣4 | = | +1 |
| -0.3 | Quarterfinal | 🇺🇸 USA2 | 34 | 4♠ | ♥A | -2 | -11 |
| -0.4 | Quarterfinal | 🇺🇸 USA2 | 41 | 3NT | ♥2 | +1 | -1 |
| -0.7 | Quarterfinal | 🇺🇸 USA2 | 36 | 4♠ | ♣K | +1 | +0 |
| -0.7 | Quarterfinal | 🇺🇸 USA2 | 45 | 4♠ | ♣10 | = | +0 |
| -1.1 | Quarterfinal | 🇺🇸 USA2 | 46 | 5♥x | ♠K | -1 | +5 |
| -2.1 | Quarterfinal | 🇺🇸 USA2 | 48 | 5♦ | ♥K | = | +0 |
| -4.4 | Quarterfinal | 🇺🇸 USA2 | 42 | 3♠ | ♦7 | = | +1 |
| -11.0 | Quarterfinal | 🇺🇸 USA2 | 35 | 3NT | ♠2 | +1 | -7 |