HUANG Guohua · YUETAO OF GUANGZHOU
vs par split: bidding -0.82 · play -0.53
Strength of schedule: opponents averaged +0.55/bd (a tough draw) → opponent-adjusted +1.00/bd
Card play — on target: opening leads 66.7% #444 of 579 · declarer play 65.2% #409 of 579 · defence 90.0% #210 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 66.7% (9) |
| Declarer play | 44.4% (9) | 78.6% (14) |
| Defence | 100.0% (5) | 86.7% (15) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 33.3% (3) · ♦ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -3.84 (19) · a suit -0.27 (37)
vs par by level: part-score -0.56 (25) · game -2.68 (25) · slam -0.33 (6)
By role: declaring +0.06/bd (-4.43 vs par · 35) · defending +1.12/bd (+3.43 vs par · 21)
By vulnerability: vulnerable +1.07/bd (-2.43 vs par · 28) · not vulnerable -0.16/bd (-0.54 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Song | R.Speiser – G.Bilski | Closed | 7 | +10.6 | +1.51 | +0.00 |
| Round 2 | H.Song | J.Hurd – J.Wooldridge | Closed | 7 | +17.5 | +2.50 | +3.71 |
| Round 3 | H.Song | X.Zhang – H.Liu | Open | 7 | -2.9 | -0.41 | -1.71 |
| Round 4 | H.Song | G.Zhang – S.Yan | Closed | 7 | -4.8 | -0.69 | -5.86 |
| Round 5 | H.Song | G.Sun – S.Shan | Closed | 7 | +13.0 | +1.86 | +2.00 |
| Round 6 | H.Song | M.Zur-Campanile – J.Mcallister | Closed | 7 | +9.3 | +1.33 | -2.43 |
| Round 7 | H.Song | E.Muzzio – A.Bianchedi | Closed | 7 | -9.5 | -1.36 | -2.43 |
| Round 8 | H.Song | T.Teramoto – H.Takano | Open | 7 | -7.7 | -1.10 | -5.14 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 2 | LEBRON | 13 | 5♥x | ♠A | -1 | +13 |
| +9.0 | Round 2 | LEBRON | 11 | 6♠ | ♥J | -1 | +14 |
| +8.9 | Round 5 | P D TRANSNATIONAL | 7 | 2NT | ♥5 | +1 | +10 |
| +7.3 | Round 1 | BILSKI | 6 | 4♥ | ♦K | -4 | +3 |
| +6.5 | Round 5 | P D TRANSNATIONAL | 6 | 7♣ | ♣3 | = | -2 |
| +6.5 | Round 6 | MCALLISTER | 12 | 3NT | ♠2 | +1 | +0 |
| +4.3 | Round 2 | LEBRON | 10 | 4♠ | ♦3 | +1 | +1 |
| +4.2 | Round 1 | BILSKI | 2 | 1NT | ♥10 | +1 | +0 |
| +4.0 | Round 6 | MCALLISTER | 14 | 4♠x | ♥J | -1 | +5 |
| +3.9 | Round 4 | MCMULLIN | 27 | 5♣ | ♦A | +1 | +1 |
| +3.7 | Round 6 | MCALLISTER | 9 | 3NT | ♣6 | +4 | -12 |
| +3.5 | Round 3 | PAN-CHINA | 15 | 2♥ | ♦Q | = | +5 |
| +3.5 | Round 7 | LAVAZZA | 19 | 3♣ | ♥10 | -1 | +5 |
| +3.0 | Round 3 | PAN-CHINA | 20 | 3NT | ♥8 | +1 | -12 |
| +2.9 | Round 5 | P D TRANSNATIONAL | 4 | 2♠ | ♦10 | +2 | +10 |
| +2.7 | Round 6 | MCALLISTER | 13 | 1NT | ♦2 | -2 | +2 |
| +2.6 | Round 8 | JAPAN | 24 | 5♥ | ♠K | = | +0 |
| +2.4 | Round 8 | JAPAN | 28 | 2♥ | ♣3 | +1 | -7 |
| +2.2 | Round 1 | BILSKI | 7 | 5♣ | ♥J | = | -1 |
| +2.0 | Round 3 | PAN-CHINA | 19 | 3NT | ♦6 | +1 | -17 |
| +2.0 | Round 8 | JAPAN | 26 | 3NT | ♠5 | = | +0 |
| +1.9 | Round 5 | P D TRANSNATIONAL | 3 | 3NT | ♠J | -2 | +6 |
| +1.8 | Round 2 | LEBRON | 14 | 3♦ | ♦3 | -1 | +4 |
| +1.8 | Round 5 | P D TRANSNATIONAL | 1 | 3NT | ♥7 | = | +0 |
| +1.6 | Round 1 | BILSKI | 3 | 2♠ | ♣9 | -1 | +1 |
| +1.6 | Round 7 | LAVAZZA | 17 | 4♦ | ♠K | -2 | +1 |
| +1.5 | Round 8 | JAPAN | 27 | 4♠ | ♥A | -1 | -2 |
| +1.2 | Round 3 | PAN-CHINA | 18 | 2♠ | ♠K | -1 | +2 |
| +1.1 | Round 1 | BILSKI | 5 | 1NT | ♠A | +1 | +1 |
| +0.6 | Round 5 | P D TRANSNATIONAL | 2 | 3♥ | ♣6 | = | +0 |
| -0.0 | Round 4 | MCMULLIN | 22 | 2♥ | ♦A | +1 | +0 |
| -0.0 | Round 4 | MCMULLIN | 25 | 3NT | ♣4 | +2 | -12 |
| -0.1 | Round 4 | MCMULLIN | 26 | 5♦ | ♣Q | +1 | -13 |
| -0.3 | Round 7 | LAVAZZA | 20 | 4♥ | ♠J | +2 | +13 |
| -0.7 | Round 4 | MCMULLIN | 24 | 3NT | ♠5 | = | +2 |
| -1.3 | Round 6 | MCALLISTER | 11 | 3♣ | ♣2 | = | +1 |
| -2.0 | Round 4 | MCMULLIN | 23 | 6♣ | ♥8 | -1 | -17 |
| -2.4 | Round 1 | BILSKI | 4 | 2♠ | ♦6 | = | -6 |
| -2.5 | Round 7 | LAVAZZA | 16 | 2♣ | ♥K | -4 | -9 |
| -2.6 | Round 8 | JAPAN | 23 | 1NT | ♠6 | -2 | -3 |
| -2.7 | Round 7 | LAVAZZA | 15 | 3♠ | ♣K | = | -13 |
| -3.0 | Round 6 | MCALLISTER | 8 | 2NT | ♦10 | +1 | -7 |
| -3.1 | Round 2 | LEBRON | 8 | 3♠ | ♥Q | -2 | +0 |
| -3.1 | Round 2 | LEBRON | 9 | 5♣ | ♦A | = | +0 |
| -3.1 | Round 3 | PAN-CHINA | 17 | 2NT | ♠Q | -1 | -5 |
| -3.3 | Round 6 | MCALLISTER | 10 | 3NT | ♠J | -1 | -6 |
| -3.4 | Round 1 | BILSKI | 1 | 2♠ | ♦J | -1 | +2 |
| -3.6 | Round 7 | LAVAZZA | 21 | 4♠ | ♥3 | -2 | -6 |
| -3.7 | Round 2 | LEBRON | 12 | 1♠ | ♦3 | -2 | -6 |
| -4.0 | Round 8 | JAPAN | 22 | 6NT | ♥9 | -1 | -12 |
| -4.5 | Round 3 | PAN-CHINA | 21 | 6♠ | ♦K | = | +13 |
| -5.0 | Round 3 | PAN-CHINA | 16 | 6♦ | ♥7 | = | +2 |
| -5.5 | Round 7 | LAVAZZA | 18 | 3NT | ♥5 | -4 | -8 |
| -5.9 | Round 4 | MCMULLIN | 28 | 3♣ | ♠Q | -4 | -2 |
| -9.6 | Round 5 | P D TRANSNATIONAL | 5 | 4♥ | ♣A | = | -10 |
| -9.6 | Round 8 | JAPAN | 25 | 5♥ | ♠A | -1 | -12 |