🇺🇸 ZHANG Brian · USA2
vs par split: bidding +0.29 · play -0.35
Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +0.08/bd
Card play — on target: opening leads 94.7% #2 of 18 · declarer play 71.4% #15 of 18 · defence 83.9% #15 of 18
Bidding activity — not a pass: 46.8% #3 of 20 (126/269)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 92.9% (14) |
| Declarer play | 85.7% (7) | 57.1% (7) |
| Defence | 71.4% (7) | 87.5% (24) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (3) · ♦ 100.0% (4) · ♣ 100.0% (7)
vs par by strain: NT -2.35 (20) · a suit +0.35 (63)
vs par by level: part-score -1.24 (25) · game -0.89 (47) · slam +4.36 (11)
By role: declaring -0.73/bd (-2.87 vs par · 38) · defending +0.63/bd (+1.87 vs par · 45)
By vulnerability: vulnerable -0.98/bd (-1.29 vs par · 42) · not vulnerable +1.04/bd (+0.76 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | K.Ge | N.Hammelev – A.Tylvad | Open | 14 | +17.7 | +1.26 | +0.07 |
| Semifinal | K.Ge | M.Haas – S.Pahk | Open | 14 | -14.7 | -1.05 | -1.64 |
| Semifinal | K.Ge | A.Silverstein – D.Balof | Closed | 14 | +19.5 | +1.39 | +1.36 |
| Final | K.Ge | A.Pedmanson – J.Vahk | Closed | 14 | -38.4 | -2.74 | -3.57 |
| Final | K.Ge | J.Gusson – K.Allas | Closed | 14 | +6.4 | +0.46 | +0.86 |
| Final | K.Ge | A.Pedmanson – J.Vahk | Closed | 14 | +12.0 | +0.86 | +1.36 |
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 |
|---|---|---|---|---|---|---|---|
| +17.0 | Final | 🇪🇪 ESTONIA | 51 | 6♥ | ♥5 | -1 | +17 |
| +17.0 | Final | 🇪🇪 ESTONIA | 53 | 7♥ | ♠3 | -1 | +17 |
| +16.0 | Semifinal | 🇺🇸 USA1 | 43 | 5♣x | ♠2 | -4 | +15 |
| +14.0 | Semifinal | 🇺🇸 USA1 | 50 | 7♥ | ♠J | -1 | +14 |
| +11.0 | Final | 🇪🇪 ESTONIA | 45 | 4♥ | ♠7 | -1 | +4 |
| +9.6 | Quarterfinal | 🇩🇰 DENMARK | 37 | 4♠ | = | +11 | |
| +8.7 | Final | 🇪🇪 ESTONIA | 34 | 6♠ | ♥6 | -1 | +17 |
| +6.7 | Semifinal | 🇺🇸 USA1 | 47 | 3NT | ♠T | = | -1 |
| +5.3 | Semifinal | 🇺🇸 USA1 | 41 | 6♥ | +1 | +8 | |
| +5.1 | Quarterfinal | 🇩🇰 DENMARK | 38 | 4♠ | -2 | +3 | |
| +5.0 | Final | 🇪🇪 ESTONIA | 39 | 4NT | ♣J | = | -10 |
| +4.6 | Quarterfinal | 🇩🇰 DENMARK | 34 | 5♥x | -1 | -7 | |
| +4.3 | Quarterfinal | 🇩🇰 DENMARK | 31 | 3♥ | +1 | +6 | |
| +4.3 | Semifinal | 🇺🇸 USA1 | 46 | 2♥ | ♣4 | = | +0 |
| +4.3 | Semifinal | 🇺🇸 USA1 | 52 | 4♠ | ♣K | = | +8 |
| +3.3 | Semifinal | 🇺🇸 USA1 | 30 | 3♦ | -1 | +1 | |
| +3.3 | Final | 🇪🇪 ESTONIA | 15 | 3♦ | ♣Q | = | -6 |
| +3.3 | Final | 🇪🇪 ESTONIA | 29 | 3NT | ♣7 | +2 | +1 |
| +3.0 | Final | 🇪🇪 ESTONIA | 19 | 3NT | ♥7 | -1 | +6 |
| +2.6 | Quarterfinal | 🇩🇰 DENMARK | 39 | 2♠ | +1 | +0 | |
| +2.3 | Quarterfinal | 🇩🇰 DENMARK | 33 | 6♥ | -1 | +13 | |
| +2.1 | Quarterfinal | 🇩🇰 DENMARK | 30 | 5♥x | -1 | +0 | |
| +2.0 | Final | 🇪🇪 ESTONIA | 50 | Pass | +3 | ||
| +1.7 | Semifinal | 🇺🇸 USA1 | 37 | 2♣ | -1 | +5 | |
| +1.7 | Final | 🇪🇪 ESTONIA | 31 | 3NT | ♠5 | +1 | +0 |
| +1.0 | Final | 🇪🇪 ESTONIA | 30 | 3NT | ♠T | +2 | +0 |
| +0.7 | Semifinal | 🇺🇸 USA1 | 39 | 4♠ | +1 | +1 | |
| +0.7 | Semifinal | 🇺🇸 USA1 | 44 | 4♠ | ♣J | +1 | +11 |
| +0.7 | Final | 🇪🇪 ESTONIA | 33 | 4♠ | ♦3 | = | +0 |
| +0.7 | Final | 🇪🇪 ESTONIA | 38 | 4♦ | ♥6 | -2 | -7 |
| +0.6 | Quarterfinal | 🇩🇰 DENMARK | 42 | 3NT | +2 | +0 | |
| +0.4 | Quarterfinal | 🇩🇰 DENMARK | 36 | 4♥ | +1 | +1 | |
| +0.3 | Final | 🇪🇪 ESTONIA | 24 | 6♦ | ♣Q | +1 | -11 |
| +0.3 | Final | 🇪🇪 ESTONIA | 32 | 4♦x | ♣T | -2 | -3 |
| +0.0 | Semifinal | 🇺🇸 USA1 | 29 | 5♥ | = | +0 | |
| +0.0 | Semifinal | 🇺🇸 USA1 | 31 | 4♠ | +1 | -11 | |
| +0.0 | Semifinal | 🇺🇸 USA1 | 32 | 3NT | +2 | +0 | |
| +0.0 | Semifinal | 🇺🇸 USA1 | 34 | 6♥ | = | +0 | |
| +0.0 | Semifinal | 🇺🇸 USA1 | 42 | 5♠x | -2 | +3 | |
| -0.0 | Semifinal | 🇺🇸 USA1 | 53 | 3NT | ♣T | +1 | +0 |
| -0.0 | Semifinal | 🇺🇸 USA1 | 56 | 4♠ | ♣J | = | +1 |
| +0.0 | Final | 🇪🇪 ESTONIA | 20 | 4♥ | ♦K | = | +0 |
| +0.0 | Final | 🇪🇪 ESTONIA | 35 | 3♠ | ♦Q | = | +10 |
| +0.0 | Final | 🇪🇪 ESTONIA | 37 | 4♥ | ♠K | -3 | +11 |
| +0.0 | Final | 🇪🇪 ESTONIA | 48 | 4♠ | ♦2 | +1 | +0 |
| +0.0 | Final | 🇪🇪 ESTONIA | 52 | 4♠ | ♥9 | = | +0 |
| +0.0 | Final | 🇪🇪 ESTONIA | 55 | 3NT | ♥5 | +2 | +0 |
| +0.0 | Final | 🇪🇪 ESTONIA | 56 | 4♠ | ♣T | +1 | +0 |
| -0.7 | Final | 🇪🇪 ESTONIA | 25 | 3NT | ♥9 | = | +0 |
| -1.0 | Semifinal | 🇺🇸 USA1 | 45 | 1NT | ♦5 | +2 | -2 |
| -1.0 | Final | 🇪🇪 ESTONIA | 27 | 2♦x | ♠A | -3 | +2 |
| -1.0 | Final | 🇪🇪 ESTONIA | 43 | 3NT | ♦T | +1 | +0 |
| -1.0 | Final | 🇪🇪 ESTONIA | 44 | 4♥ | ♣K | = | -1 |
| -1.3 | Semifinal | 🇺🇸 USA1 | 55 | 3♦ | ♦T | = | +7 |
| -1.3 | Final | 🇪🇪 ESTONIA | 36 | 2♦ | ♠A | -1 | -1 |
| -1.9 | Quarterfinal | 🇩🇰 DENMARK | 32 | 4♠ | +1 | +0 | |
| -1.9 | Quarterfinal | 🇩🇰 DENMARK | 35 | 5♥ | +1 | -13 | |
| -1.9 | Quarterfinal | 🇩🇰 DENMARK | 40 | 1NT | -1 | -4 | |
| -2.0 | Final | 🇪🇪 ESTONIA | 16 | 3♥ | ♣A | +1 | +1 |
| -2.0 | Final | 🇪🇪 ESTONIA | 40 | 1NT | ♦A | +3 | -1 |
| -2.0 | Final | 🇪🇪 ESTONIA | 46 | 4♠ | ♣2 | +2 | -1 |
| -2.3 | Semifinal | 🇺🇸 USA1 | 51 | 3♣ | ♠2 | -1 | +0 |
| -2.3 | Final | 🇪🇪 ESTONIA | 21 | 4♥ | ♠T | -2 | -8 |
| -2.7 | Semifinal | 🇺🇸 USA1 | 38 | 5♥x | = | -5 | |
| -3.0 | Semifinal | 🇺🇸 USA1 | 33 | 4♠ | = | +1 | |
| -3.0 | Semifinal | 🇺🇸 USA1 | 36 | 5♣x | -1 | -5 | |
| -3.0 | Final | 🇪🇪 ESTONIA | 17 | 3♠ | ♣A | +1 | +4 |
| -3.0 | Final | 🇪🇪 ESTONIA | 22 | 3NT | ♥6 | = | -11 |
| -3.7 | Final | 🇪🇪 ESTONIA | 42 | 3NT | ♦K | = | +0 |
| -3.9 | Quarterfinal | 🇩🇰 DENMARK | 41 | 5♣x | = | -3 | |
| -4.3 | Quarterfinal | 🇩🇰 DENMARK | 29 | 3♥ | +1 | -6 | |
| -5.0 | Semifinal | 🇺🇸 USA1 | 40 | 3♥ | = | -6 | |
| -5.3 | Semifinal | 🇺🇸 USA1 | 49 | 5♦x | ♥Q | -3 | -12 |
| -6.3 | Final | 🇪🇪 ESTONIA | 26 | 2♠ | ♥4 | -4 | -7 |
| -8.0 | Final | 🇪🇪 ESTONIA | 18 | 2♠x | ♥K | -1 | -11 |
| -8.0 | Final | 🇪🇪 ESTONIA | 41 | 3♦ | ♥K | -1 | -5 |
| -8.0 | Final | 🇪🇪 ESTONIA | 49 | 2♠ | ♣7 | +1 | +7 |
| -8.3 | Semifinal | 🇺🇸 USA1 | 48 | 4♠ | ♣A | = | -10 |
| -8.3 | Semifinal | 🇺🇸 USA1 | 54 | 3NT | ♣3 | -1 | -12 |
| -8.7 | Final | 🇪🇪 ESTONIA | 23 | 7NT | ♠4 | = | +0 |
| -10.0 | Final | 🇪🇪 ESTONIA | 28 | 4♥x | ♠K | -2 | -9 |
| -11.0 | Final | 🇪🇪 ESTONIA | 47 | 7♦ | ♦7 | -1 | -14 |
| -12.0 | Semifinal | 🇺🇸 USA1 | 35 | 2♥x | = | -15 | |
| -12.0 | Final | 🇪🇪 ESTONIA | 54 | 6NT | ♥2 | +1 | -13 |