YANG Yuehui · KALAJUN-XINJIANG
vs par split: bidding -0.69 · play -0.88
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.51/bd
Card play — on target: opening leads 82.4% #223 of 579 · declarer play 53.8% #520 of 579 · defence 91.3% #183 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 84.6% (13) |
| Declarer play | 0.0% (3) | 70.0% (10) |
| Defence | 100.0% (7) | 87.5% (16) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 80.0% (5) · ♦ 100.0% (6) · ♣ 50.0% (2)
vs par by strain: NT -2.94 (18) · a suit -0.77 (31)
vs par by level: part-score -0.53 (19) · game -2.82 (28) · slam +6.00 (2)
By role: declaring -1.01/bd (-5.85 vs par · 26) · defending +0.30/bd (+3.26 vs par · 23)
By vulnerability: vulnerable -0.37/bd (-2.72 vs par · 25) · not vulnerable -0.41/bd (-0.38 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Dong | H.Frerichs – U.Wenning | Closed | 7 | +16.5 | +2.36 | +0.71 |
| Round 2 | Y.Dong | I.Coldea – B.Marina | Closed | 7 | +7.2 | +1.03 | +2.43 |
| Round 3 | Y.Dong | S.Wan – D.Zen | Open | 7 | -25.6 | -3.66 | -0.71 |
| Round 4 | Y.Dong | P.Eide – M.Eide | Closed | 7 | +7.9 | +1.13 | -4.86 |
| Round 5 | Y.Dong | G.Zhang – S.Yan | Closed | 7 | -7.7 | -1.10 | -1.00 |
| Round 6 | Y.Dong | B.Zhang – X.Li | Open | 7 | -8.1 | -1.16 | -4.57 |
| Round 7 | Y.Dong | R.Gupta – J.Sensarma | Open | 7 | -9.4 | -1.34 | -3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +9.0 | Round 2 | ROMANIA | 11 | 6♠ | ♥K | -1 | +14 |
| +9.0 | Round 4 | NORWAY JUNIORS | 23 | 3NT | ♥J | +1 | -13 |
| +6.5 | Round 5 | MCMULLIN | 6 | 7♣ | ♠8 | = | -2 |
| +5.6 | Round 7 | AZURE | 15 | 4♠ | ♣K | +3 | -10 |
| +5.3 | Round 5 | MCMULLIN | 5 | 4♥ | ♣K | -1 | +6 |
| +5.0 | Round 1 | BERLIN | 1 | 3♦x | ♠A | -2 | +9 |
| +5.0 | Round 1 | BERLIN | 4 | 4♠ | ♥K | -2 | +2 |
| +4.9 | Round 1 | BERLIN | 3 | 2♣ | ♦9 | -1 | +5 |
| +4.3 | Round 2 | ROMANIA | 10 | 3NT | ♠4 | +2 | +1 |
| +4.0 | Round 6 | CHINA OPN(B) | 14 | 4♠x | ♦Q | -1 | +5 |
| +3.9 | Round 1 | BERLIN | 7 | 3NT | ♠8 | +2 | +1 |
| +1.8 | Round 2 | ROMANIA | 12 | 2♦ | ♥10 | +2 | +0 |
| +1.5 | Round 4 | NORWAY JUNIORS | 26 | 3NT | ♥J | +3 | -12 |
| +1.2 | Round 1 | BERLIN | 5 | 2♠ | ♣2 | = | +1 |
| +1.1 | Round 6 | CHINA OPN(B) | 9 | 4♥ | ♣3 | = | -13 |
| +1.0 | Round 4 | NORWAY JUNIORS | 22 | 2♥ | ♦K | = | +1 |
| +0.8 | Round 4 | NORWAY JUNIORS | 28 | 3NT | ♣4 | -1 | +6 |
| +0.6 | Round 5 | MCMULLIN | 2 | 3♥ | ♠10 | = | +0 |
| -0.1 | Round 6 | CHINA OPN(B) | 13 | 2♦ | ♠K | -1 | -1 |
| -0.2 | Round 1 | BERLIN | 6 | 1NT | ♦Q | +1 | -6 |
| -0.3 | Round 7 | AZURE | 17 | 2♠ | ♥2 | +2 | -1 |
| -0.3 | Round 7 | AZURE | 20 | 4♥ | ♠J | +2 | +13 |
| -0.5 | Round 3 | HK ZEN | 17 | 1NT | ♠K | = | +2 |
| -0.7 | Round 4 | NORWAY JUNIORS | 24 | 3NT | ♠2 | = | +2 |
| -1.0 | Round 4 | NORWAY JUNIORS | 25 | 3NT | ♣4 | +1 | -12 |
| -1.0 | Round 5 | MCMULLIN | 7 | 4♠ | ♥6 | = | +0 |
| -1.1 | Round 2 | ROMANIA | 13 | 5♥ | ♠K | = | +0 |
| -1.2 | Round 3 | HK ZEN | 18 | 2♣ | ♥3 | -1 | -2 |
| -1.2 | Round 6 | CHINA OPN(B) | 11 | 3♦ | ♦3 | -2 | +1 |
| -1.2 | Round 7 | AZURE | 19 | 3♦ | ♠A | +1 | +0 |
| -1.5 | Round 2 | ROMANIA | 8 | 2♠ | ♦A | -1 | +2 |
| -2.0 | Round 7 | AZURE | 21 | 4♠ | ♣7 | -1 | -5 |
| -2.2 | Round 2 | ROMANIA | 14 | 3♥ | ♠3 | -2 | +0 |
| -2.7 | Round 4 | NORWAY JUNIORS | 27 | 3♣ | ♦A | +2 | -6 |
| -2.9 | Round 3 | HK ZEN | 19 | 4NT | ♦8 | +1 | +17 |
| -3.0 | Round 3 | HK ZEN | 20 | 3NT | ♠9 | +1 | +12 |
| -3.1 | Round 2 | ROMANIA | 9 | 5♣ | ♦A | = | +0 |
| -3.1 | Round 7 | AZURE | 18 | 3NT | ♥5 | -2 | -6 |
| -3.3 | Round 1 | BERLIN | 2 | 3NT | ♥5 | -3 | -7 |
| -3.3 | Round 6 | CHINA OPN(B) | 10 | 3NT | ♠Q | -1 | -6 |
| -3.6 | Round 6 | CHINA OPN(B) | 8 | 3♣ | ♦Q | +1 | -7 |
| -4.1 | Round 3 | HK ZEN | 15 | 2♥ | ♦Q | +1 | -6 |
| -5.0 | Round 6 | CHINA OPN(B) | 12 | 3NT | ♠2 | -2 | -11 |
| -5.5 | Round 5 | MCMULLIN | 3 | 2♠x | ♠5 | -1 | -2 |
| -5.5 | Round 5 | MCMULLIN | 4 | 3NT | ♥2 | = | +1 |
| -6.1 | Round 3 | HK ZEN | 16 | 5♦ | ♥6 | +1 | -11 |
| -7.8 | Round 3 | HK ZEN | 21 | 5♠ | ♦K | = | -17 |
| -8.1 | Round 5 | MCMULLIN | 1 | 3NT | ♥7 | -1 | -10 |
| -8.1 | Round 7 | AZURE | 16 | 3NT | ♠9 | -1 | -12 |