SHI Sylvia · ZHANG
vs par split: bidding +0.37 · play -0.01
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.69/bd
Card play — on target: opening leads 100.0% #1 of 180 · declarer play 82.1% #44 of 180 · defence 85.0% #100 of 180
Bidding activity — not a pass: 39.2% #145 of 180 (94/240)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (15) |
| Declarer play | 87.5% (8) | 80.0% (20) |
| Defence | 80.0% (10) | 86.7% (30) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 100.0% (4) · ♦ 100.0% (1) · ♣ 100.0% (6)
vs par by strain: NT -1.44 (23) · a suit +1.03 (61)
vs par by level: part-score -0.34 (35) · game +0.34 (44) · slam +5.40 (5)
By role: declaring +0.49/bd (-1.71 vs par · 44) · defending +0.58/bd (+2.62 vs par · 40)
By vulnerability: vulnerable +0.26/bd (+0.57 vs par · 42) · not vulnerable +0.81/bd (+0.14 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Seamon-Molson | K.Schwalbach – M.Guendel | Closed | 14 | +4.8 | +0.34 | -1.07 |
| Round 3 | J.Seamon-Molson | S.Yuen – C.Geromboux | Open | 14 | +18.9 | +1.35 | +2.21 |
| Round 4 | J.Seamon-Molson | C.Madsen – B.Drijver | Closed | 14 | +3.2 | +0.23 | +2.00 |
| Round 6 | D.Korbel | D.Kazmucha – M.Nowosadzki | Open | 14 | +14.0 | +1.00 | +1.71 |
| Round 7 | J.Seamon-Molson | M.Knottenbelt – B.Handley-Pritchard | Open | 14 | +5.4 | +0.39 | -2.50 |
| Round 8 | S.Zhang | A.Silverstein – S.Dinkin | Closed | 14 | -1.4 | -0.10 | -0.21 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 4 | FERM | 17 | 6♠ | ♠6 | -1 | +16 |
| +10.3 | Round 7 | SUSHI BELT | 6 | 2♦x | ♥A | -5 | +9 |
| +9.9 | Round 3 | PANDA POSSE | 6 | 5♣x | ♠Q | = | +12 |
| +9.7 | Round 1 | BV WALDSOLMS | 13 | 6♠ | ♥A | -2 | +13 |
| +8.6 | Round 6 | YOSHKA | 26 | 2♦x | ♥4 | -1 | +3 |
| +8.1 | Round 8 | DINKIN | 27 | 4♠ | ♠Q | = | +0 |
| +7.9 | Round 6 | YOSHKA | 15 | 4♥ | ♣K | -1 | +10 |
| +6.7 | Round 7 | SUSHI BELT | 7 | 4♥ | ♥3 | +1 | +10 |
| +6.5 | Round 1 | BV WALDSOLMS | 4 | 4♠ | ♥7 | -1 | +6 |
| +6.5 | Round 3 | PANDA POSSE | 3 | 4♥ | ♠K | -2 | +7 |
| +6.0 | Round 6 | YOSHKA | 25 | 4♠x | ♦9 | = | +9 |
| +5.0 | Round 8 | DINKIN | 16 | 4♠x | ♣2 | -1 | +5 |
| +4.7 | Round 1 | BV WALDSOLMS | 9 | 4♠x | ♥K | -1 | +9 |
| +4.7 | Round 3 | PANDA POSSE | 4 | 2♥ | ♠J | = | +6 |
| +4.7 | Round 4 | FERM | 18 | 3♦ | ♥Q | -1 | +5 |
| +4.6 | Round 3 | PANDA POSSE | 14 | 4♠x | ♣A | -2 | +5 |
| +4.4 | Round 4 | FERM | 24 | 5♣x | ♠Q | -3 | +10 |
| +3.0 | Round 1 | BV WALDSOLMS | 2 | 4♠ | ♥9 | = | +0 |
| +2.2 | Round 4 | FERM | 22 | 4♥ | ♦A | = | +0 |
| +2.2 | Round 8 | DINKIN | 15 | 5♠x | ♥6 | +1 | -6 |
| +2.1 | Round 4 | FERM | 26 | 1NT | ♥7 | +2 | +0 |
| +2.0 | Round 8 | DINKIN | 20 | 3NT | ♠3 | -1 | +0 |
| +1.9 | Round 3 | PANDA POSSE | 8 | 4♥ | ♦J | = | +3 |
| +1.9 | Round 3 | PANDA POSSE | 12 | 2♠ | ♣J | -1 | -1 |
| +1.7 | Round 1 | BV WALDSOLMS | 12 | 3♦ | ♠3 | = | -5 |
| +1.4 | Round 6 | YOSHKA | 18 | 5♥ | ♠A | = | +11 |
| +1.4 | Round 8 | DINKIN | 22 | 3♥ | ♠6 | = | +0 |
| +1.3 | Round 7 | SUSHI BELT | 14 | 3NT | ♦3 | +1 | -11 |
| +1.3 | Round 8 | DINKIN | 18 | 5♥ | ♣A | +1 | +13 |
| +1.2 | Round 4 | FERM | 19 | 2♥ | ♠A | +1 | +0 |
| +1.2 | Round 7 | SUSHI BELT | 9 | 2NT | ♥K | -1 | +5 |
| +1.2 | Round 8 | DINKIN | 17 | 1NT | ♠2 | -3 | +2 |
| +1.1 | Round 6 | YOSHKA | 21 | 4♠ | ♣4 | -1 | +5 |
| +1.0 | Round 6 | YOSHKA | 19 | 2♥ | ♠6 | -1 | +2 |
| +0.9 | Round 3 | PANDA POSSE | 7 | 3NT | ♦5 | +1 | +1 |
| +0.9 | Round 8 | DINKIN | 25 | 4♥ | ♦J | +1 | +0 |
| +0.8 | Round 7 | SUSHI BELT | 3 | 5♠ | ♥3 | +1 | -11 |
| +0.8 | Round 8 | DINKIN | 28 | 4♥ | ♣2 | +2 | +3 |
| +0.6 | Round 7 | SUSHI BELT | 2 | 3NT | ♦3 | +2 | -12 |
| +0.4 | Round 6 | YOSHKA | 22 | 3♠ | ♦8 | -1 | -4 |
| +0.3 | Round 1 | BV WALDSOLMS | 1 | 3♥ | ♠J | -1 | +2 |
| +0.3 | Round 7 | SUSHI BELT | 4 | 4♠ | ♦K | +1 | +0 |
| +0.2 | Round 3 | PANDA POSSE | 5 | 3♦ | ♣Q | = | +1 |
| +0.1 | Round 1 | BV WALDSOLMS | 3 | 3♦ | ♠A | -1 | +2 |
| +0.1 | Round 4 | FERM | 27 | 3♠ | ♥A | -1 | -2 |
| +0.0 | Round 4 | FERM | 15 | 3♦ | ♠7 | +1 | +0 |
| -0.1 | Round 4 | FERM | 23 | 3NT | ♠2 | +1 | +13 |
| -0.1 | Round 7 | SUSHI BELT | 11 | 3♠ | ♥Q | = | -7 |
| -0.4 | Round 1 | BV WALDSOLMS | 7 | 2♠ | ♠9 | +2 | -10 |
| -0.5 | Round 3 | PANDA POSSE | 9 | 3♥ | ♣8 | +1 | +8 |
| -0.5 | Round 6 | YOSHKA | 20 | 3♥ | ♦K | = | -7 |
| -0.5 | Round 6 | YOSHKA | 24 | 4♥ | ♣A | -2 | +0 |
| -0.6 | Round 6 | YOSHKA | 27 | 4♥ | ♣7 | = | +0 |
| -0.7 | Round 3 | PANDA POSSE | 1 | 2♠ | ♠6 | +1 | +0 |
| -0.9 | Round 3 | PANDA POSSE | 13 | 1NT | ♦Q | = | +0 |
| -1.1 | Round 3 | PANDA POSSE | 11 | 3NT | ♦2 | -2 | +0 |
| -1.2 | Round 1 | BV WALDSOLMS | 6 | 4♥ | ♠K | +2 | -11 |
| -1.3 | Round 7 | SUSHI BELT | 10 | 4♥ | ♠T | = | +1 |
| -1.4 | Round 6 | YOSHKA | 17 | 1NT | ♣7 | -2 | +0 |
| -1.5 | Round 7 | SUSHI BELT | 13 | 3NT | ♠2 | +1 | +0 |
| -1.7 | Round 4 | FERM | 25 | 2♠ | ♣J | = | +0 |
| -1.7 | Round 4 | FERM | 28 | 4♥ | ♦A | +2 | -2 |
| -1.8 | Round 4 | FERM | 21 | 3♥ | ♣A | = | +0 |
| -2.0 | Round 1 | BV WALDSOLMS | 11 | 4♥ | ♦7 | = | +1 |
| -2.0 | Round 8 | DINKIN | 21 | 4♥ | ♠A | +2 | -8 |
| -2.1 | Round 1 | BV WALDSOLMS | 5 | 2♥ | ♦A | -1 | -5 |
| -2.2 | Round 6 | YOSHKA | 16 | 3NT | ♠2 | -2 | -6 |
| -2.3 | Round 8 | DINKIN | 24 | 2NT | ♥7 | +1 | -2 |
| -2.4 | Round 6 | YOSHKA | 23 | 1NT | ♣7 | -3 | +7 |
| -2.7 | Round 8 | DINKIN | 23 | 3♦ | ♣T | -1 | +0 |
| -2.8 | Round 7 | SUSHI BELT | 1 | 3NT | ♠4 | +3 | -11 |
| -2.9 | Round 7 | SUSHI BELT | 5 | 6NT | ♣5 | = | +10 |
| -3.0 | Round 7 | SUSHI BELT | 12 | 4♠ | ♦5 | -1 | -12 |
| -3.3 | Round 1 | BV WALDSOLMS | 10 | 1NTx | ♥7 | -1 | -2 |
| -3.6 | Round 3 | PANDA POSSE | 2 | 3♥ | ♠Q | -2 | -3 |
| -4.1 | Round 1 | BV WALDSOLMS | 8 | 3NT | ♥7 | -1 | -5 |
| -4.2 | Round 7 | SUSHI BELT | 8 | 1NT | ♥2 | +2 | -6 |
| -4.8 | Round 6 | YOSHKA | 28 | 3NT | ♠3 | = | -6 |
| -4.9 | Round 3 | PANDA POSSE | 10 | 4♠x | ♥K | -1 | -8 |
| -5.4 | Round 4 | FERM | 20 | 4♠ | ♥A | = | +0 |
| -7.5 | Round 8 | DINKIN | 19 | 1NT | ♠3 | +2 | -10 |
| -8.1 | Round 1 | BV WALDSOLMS | 14 | 4♠x | ♦4 | = | -10 |
| -9.8 | Round 8 | DINKIN | 26 | 6NT | ♦2 | = | +0 |
| -12.7 | Round 4 | FERM | 16 | 7♣ | ♥K | = | -12 |