ZHANG Guoxu · MCMULLIN
vs par split: bidding -0.02 · play -0.10
Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted +0.20/bd
Card play — on target: opening leads 100.0% #1 of 310 · declarer play 100.0% #1 of 310 · defence 79.2% #231 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 100.0% (6) |
| Declarer play | 100.0% (1) | 100.0% (5) |
| Defence | 87.5% (8) | 75.0% (16) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (1) · ♦ 100.0% (5)
vs par by strain: NT +0.70 (10) · a suit -0.38 (32)
vs par by level: part-score +0.70 (20) · game +0.17 (18) · slam -5.50 (4)
By role: declaring +1.73/bd (-0.94 vs par · 18) · defending -1.47/bd (+0.50 vs par · 24)
By vulnerability: vulnerable +1.41/bd (+0.95 vs par · 21) · not vulnerable -1.61/bd (-1.19 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | S.Yan | D.Berkowitz – A.Sontag | Open | 7 | +1.4 | +0.20 | +0.57 |
| Round 4 | S.Yan | A.Fuglestad – M.Harding | Open | 7 | +10.8 | +1.54 | +3.29 |
| Round 5 | S.Yan | K.Ellingsen – H.Eide | Closed | 7 | +14.2 | +2.03 | +1.43 |
| Round 6 | S.Yan | R.Schwartz – L.Fisher | Open | 7 | -44.7 | -6.39 | -7.29 |
| Round 7 | S.Yan | N.Nickell – R.Katz | Open | 7 | +18.4 | +2.63 | +1.71 |
| Round 8 | S.Yan | Q.Ye – P.Wu | Open | 7 | -4.3 | -0.61 | -0.43 |
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 |
|---|---|---|---|---|---|---|---|
| +10.0 | Round 5 | NORWAY JUNIORS | 4 | 4♠ | ♥2 | = | +10 |
| +9.3 | Round 7 | NICKELL | 15 | 4♠ | ♦3 | = | +0 |
| +8.3 | Round 7 | NICKELL | 21 | 4♠ | ♥2 | +2 | +11 |
| +7.8 | Round 7 | NICKELL | 18 | 6♦ | ♥8 | = | -2 |
| +6.5 | Round 5 | NORWAY JUNIORS | 3 | 3♦ | ♣A | -4 | +9 |
| +4.9 | Round 4 | KCB | 23 | 3NT | ♦8 | -1 | +6 |
| +4.7 | Round 4 | KCB | 22 | 2♥ | ♠3 | +1 | +10 |
| +4.0 | Round 4 | KCB | 24 | 3♦ | ♠7 | = | +5 |
| +4.0 | Round 5 | NORWAY JUNIORS | 7 | 6♥ | ♣4 | +1 | +1 |
| +3.9 | Round 3 | MARK GORDON | 17 | 4♠ | ♠2 | -1 | +8 |
| +3.6 | Round 7 | NICKELL | 20 | 2♥ | ♠3 | = | +6 |
| +2.4 | Round 8 | YUETAO OF GUANGZHOU | 24 | 2♠ | ♣9 | +1 | +0 |
| +2.3 | Round 3 | MARK GORDON | 16 | 1NT | ♠2 | = | +8 |
| +2.3 | Round 5 | NORWAY JUNIORS | 5 | 4♠ | ♣3 | -1 | +10 |
| +2.0 | Round 5 | NORWAY JUNIORS | 6 | 6NT | ♦3 | +1 | -10 |
| +2.0 | Round 8 | YUETAO OF GUANGZHOU | 23 | 3♣ | ♠K | = | +0 |
| +1.3 | Round 4 | KCB | 26 | 2♥ | ♣Q | = | +0 |
| +1.0 | Round 3 | MARK GORDON | 21 | 4♣ | ♦2 | +1 | +10 |
| +0.8 | Round 8 | YUETAO OF GUANGZHOU | 22 | 2NT | ♠7 | -1 | -2 |
| +0.7 | Round 8 | YUETAO OF GUANGZHOU | 25 | 1NT | ♣10 | = | +2 |
| +0.3 | Round 3 | MARK GORDON | 15 | 4♥ | ♠10 | +2 | -11 |
| +0.1 | Round 4 | KCB | 25 | 3NT | ♠Q | = | +0 |
| -0.4 | Round 5 | NORWAY JUNIORS | 2 | 3♥ | ♣5 | -1 | +1 |
| -0.6 | Round 7 | NICKELL | 19 | 1NT | ♦4 | = | +1 |
| -0.8 | Round 4 | KCB | 27 | 4♠ | ♦J | +2 | +11 |
| -0.9 | Round 8 | YUETAO OF GUANGZHOU | 28 | 4♠ | ♣7 | = | -3 |
| -1.1 | Round 7 | NICKELL | 16 | 5♥x | ♠Q | -1 | +0 |
| -1.3 | Round 3 | MARK GORDON | 20 | 1NT | ♥J | +2 | +1 |
| -1.5 | Round 6 | VITAS | 10 | 1NT | ♠4 | +1 | +0 |
| -2.3 | Round 3 | MARK GORDON | 19 | 4♠ | ♦K | = | -6 |
| -2.5 | Round 3 | MARK GORDON | 18 | 3♥ | ♠J | = | -6 |
| -3.4 | Round 4 | KCB | 28 | 3♦ | ♦A | +1 | -9 |
| -3.4 | Round 8 | YUETAO OF GUANGZHOU | 27 | 4♠ | ♦Q | +1 | -1 |
| -3.9 | Round 6 | VITAS | 8 | 2♠ | ♦K | = | -5 |
| -4.6 | Round 6 | VITAS | 11 | 3♥ | ♣K | = | -6 |
| -5.7 | Round 6 | VITAS | 13 | 4♠ | ♠5 | -2 | -7 |
| -5.9 | Round 8 | YUETAO OF GUANGZHOU | 26 | 3NT | ♥6 | = | +1 |
| -7.1 | Round 6 | VITAS | 9 | 5♣ | ♥5 | = | -11 |
| -8.9 | Round 7 | NICKELL | 17 | 5♣x | ♥A | = | -4 |
| -10.2 | Round 5 | NORWAY JUNIORS | 1 | 6♥ | ♣K | -1 | -11 |
| -10.4 | Round 6 | VITAS | 12 | 4♥x | ♠8 | +2 | -11 |
| -11.5 | Round 6 | VITAS | 14 | 3♣x | ♥Q | = | -11 |