🇨🇳 CHEN Siyuan · CHINA
vs par split: bidding +2.61 · play -0.54
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.15/bd
Card play — on target: opening leads 86.7% · declarer play 83.3% · defence 84.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 91.7% (12) |
| Declarer play | 50.0% (2) | 100.0% (4) |
| Defence | 87.5% (8) | 82.4% (17) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 83.3% (6) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT +2.71 (14) · a suit +1.74 (27)
vs par by level: part-score +2.11 (18) · game +1.57 (21) · slam +7.00 (2)
By role: declaring +0.08/bd (-0.69 vs par · 16) · defending -0.34/bd (+3.84 vs par · 25)
By vulnerability: vulnerable -0.20/bd (+2.67 vs par · 21) · not vulnerable -0.20/bd (+1.52 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | Q.Wang | K.Rosenberg – B.Kristensen | Open | 14 | -0.2 | -0.01 | +2.71 |
| Quarterfinal | Q.Wang | C.Huber – O.Kriegel | Open | 14 | -3.7 | -0.26 | +0.50 |
| Quarterfinal | Q.Wang | B.Kristensen – K.Rosenberg | Closed | 14 | -4.5 | -0.32 | +3.07 |
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 |
|---|---|---|---|---|---|---|---|
| +7.9 | Quarterfinal | 🇺🇸 USA 1 | 52 | 4♥x | ♦3 | -2 | +9 |
| +7.3 | Quarterfinal | 🇺🇸 USA 1 | 34 | 2♠ | ♥T | +2 | +8 |
| +6.7 | Quarterfinal | 🇺🇸 USA 1 | 54 | 6♦x | ♠A | -1 | +12 |
| +6.6 | Quarterfinal | 🇺🇸 USA 1 | 11 | 2♠x | ♠10 | = | +8 |
| +3.6 | Quarterfinal | 🇺🇸 USA 1 | 44 | 2NT | ♥6 | +1 | +6 |
| +3.0 | Quarterfinal | 🇺🇸 USA 1 | 5 | 3NT | ♦6 | = | +0 |
| +3.0 | Quarterfinal | 🇺🇸 USA 1 | 29 | 2♣x | ♣2 | -1 | -8 |
| +2.4 | Quarterfinal | 🇺🇸 USA 1 | 48 | 1NT | ♥K | = | -1 |
| +2.1 | Quarterfinal | 🇺🇸 USA 1 | 2 | 5♣ | ♥10 | +1 | +8 |
| +2.0 | Quarterfinal | 🇺🇸 USA 1 | 35 | 4♥x | ♦T | -1 | +8 |
| +2.0 | Quarterfinal | 🇺🇸 USA 1 | 45 | 3NT | ♣2 | +1 | +0 |
| +1.9 | Quarterfinal | 🇺🇸 USA 1 | 4 | 4NT | ♣J | +1 | +13 |
| +1.7 | Quarterfinal | 🇺🇸 USA 1 | 3 | 3NT | ♠10 | -2 | +7 |
| +1.6 | Quarterfinal | 🇺🇸 USA 1 | 32 | 3NT | ♠5 | +1 | +0 |
| +1.4 | Quarterfinal | 🇺🇸 USA 1 | 31 | 1NT | ♦2 | = | -1 |
| +1.4 | Quarterfinal | 🇺🇸 USA 1 | 41 | 3♠ | ♣9 | -3 | +8 |
| +0.9 | Quarterfinal | 🇺🇸 USA 1 | 33 | 4♠ | ♣A | = | +0 |
| +0.7 | Quarterfinal | 🇺🇸 USA 1 | 12 | 3NT | ♥10 | = | -1 |
| +0.4 | Quarterfinal | 🇺🇸 USA 1 | 7 | 2♠ | ♣K | = | +0 |
| +0.4 | Quarterfinal | 🇺🇸 USA 1 | 55 | 2♥ | ♥5 | -1 | +4 |
| +0.1 | Quarterfinal | 🇺🇸 USA 1 | 8 | 3NT | ♥7 | +1 | +1 |
| +0.1 | Quarterfinal | 🇺🇸 USA 1 | 50 | 2♥ | ♣9 | = | -6 |
| +0.0 | Quarterfinal | 🇺🇸 USA 1 | 38 | 4♠ | ♣A | = | +0 |
| -0.7 | Quarterfinal | 🇺🇸 USA 1 | 14 | 2♠ | ♣A | +3 | -3 |
| -1.0 | Quarterfinal | 🇺🇸 USA 1 | 1 | 4♥ | ♣9 | +2 | +11 |
| -1.0 | Quarterfinal | 🇺🇸 USA 1 | 51 | 2NT | ♦3 | +2 | +10 |
| -1.1 | Quarterfinal | 🇺🇸 USA 1 | 46 | Pass | +3 | ||
| -2.4 | Quarterfinal | 🇺🇸 USA 1 | 9 | 1NT | ♥10 | +1 | +1 |
| -2.4 | Quarterfinal | 🇺🇸 USA 1 | 37 | 5♦x | ♦8 | -2 | -5 |
| -3.0 | Quarterfinal | 🇺🇸 USA 1 | 10 | 2♥ | ♥2 | +2 | +10 |
| -3.0 | Quarterfinal | 🇺🇸 USA 1 | 36 | 1NT | ♦J | = | +2 |
| -3.3 | Quarterfinal | 🇺🇸 USA 1 | 30 | 5♣ | ♦K | = | -2 |
| -3.3 | Quarterfinal | 🇺🇸 USA 1 | 39 | 3♣ | ♠K | = | +1 |
| -3.4 | Quarterfinal | 🇺🇸 USA 1 | 49 | 2♠ | ♦7 | +1 | -1 |
| -3.6 | Quarterfinal | 🇺🇸 USA 1 | 6 | 4♥ | ♠A | -1 | -5 |
| -3.9 | Quarterfinal | 🇺🇸 USA 1 | 43 | 5♥ | ♠A | -1 | +5 |
| -3.9 | Quarterfinal | 🇺🇸 USA 1 | 53 | 4♦ | ♥A | = | +0 |
| -4.3 | Quarterfinal | 🇺🇸 USA 1 | 42 | 4♥ | ♥3 | -1 | -5 |
| -5.0 | Quarterfinal | 🇺🇸 USA 1 | 40 | 3NT | ♥7 | +1 | +1 |
| -5.6 | Quarterfinal | 🇺🇸 USA 1 | 56 | 4♠ | ♥K | +1 | +0 |
| -6.0 | Quarterfinal | 🇺🇸 USA 1 | 13 | 4♥ | ♦J | -1 | -12 |
| -8.7 | Quarterfinal | 🇺🇸 USA 1 | 47 | 6♦ | ♥4 | = | +2 |