🇺🇸 GROSSACK Zachary · USA 1
vs par split: bidding +0.64 · play -0.21
Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.82/bd
Card play — on target: opening leads 66.7% · declarer play 57.1% · defence 86.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 50.0% (4) |
| Declarer play | 33.3% (3) | 75.0% (4) |
| Defence | 60.0% (5) | 100.0% (10) |
Opening leads by suit led: ♠ 100.0% (1) · ♦ 50.0% (2) · ♣ 66.7% (3)
vs par by strain: NT -0.30 (10) · a suit +0.83 (18)
vs par by level: part-score +0.38 (8) · game -1.00 (16) · slam +6.25 (4)
By role: declaring +1.86/bd (+0.85 vs par · 13) · defending -0.08/bd (+0.07 vs par · 15)
By vulnerability: vulnerable +0.71/bd (+0.21 vs par · 14) · not vulnerable +0.93/bd (+0.64 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | O.Kriegel | X.Zhu – M.Zhou | Closed | 14 | +25.4 | +1.81 | +1.43 |
| Quarterfinal | O.Kriegel | M.Zhou – X.Zhu | Open | 14 | -2.4 | -0.17 | -0.57 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Quarterfinal | 🇸🇬 SINGAPORE | 10 | 3NT | ♠3 | +1 | +12 |
| +11.4 | Quarterfinal | 🇸🇬 SINGAPORE | 15 | 6♠ | ♦4 | -1 | +11 |
| +10.1 | Quarterfinal | 🇸🇬 SINGAPORE | 9 | 4♠x | ♥3 | = | +10 |
| +9.0 | Quarterfinal | 🇸🇬 SINGAPORE | 13 | 5♠x | ♦K | -1 | +0 |
| +7.9 | Quarterfinal | 🇸🇬 SINGAPORE | 8 | 6♠ | ♠3 | -1 | +14 |
| +7.4 | Quarterfinal | 🇸🇬 SINGAPORE | 22 | 3♣ | ♠2 | +1 | +6 |
| +7.4 | Quarterfinal | 🇸🇬 SINGAPORE | 27 | 6♠ | ♥5 | = | +0 |
| +6.4 | Quarterfinal | 🇸🇬 SINGAPORE | 2 | 2♦x | ♠Q | -1 | +7 |
| +5.1 | Quarterfinal | 🇸🇬 SINGAPORE | 7 | 2♠ | ♠3 | = | +1 |
| +4.0 | Quarterfinal | 🇸🇬 SINGAPORE | 21 | 3NT | ♣Q | -2 | +8 |
| +2.1 | Quarterfinal | 🇸🇬 SINGAPORE | 14 | 5♣ | ♠3 | = | -1 |
| +1.7 | Quarterfinal | 🇸🇬 SINGAPORE | 24 | 2♥ | ♠6 | = | +0 |
| +1.1 | Quarterfinal | 🇸🇬 SINGAPORE | 20 | 1NT | ♥7 | +1 | +0 |
| +0.1 | Quarterfinal | 🇸🇬 SINGAPORE | 6 | 3NT | ♥7 | = | -7 |
| +0.0 | Quarterfinal | 🇸🇬 SINGAPORE | 17 | 4♠ | ♣A | +1 | +0 |
| -0.3 | Quarterfinal | 🇸🇬 SINGAPORE | 26 | 3♣ | ♥2 | -1 | -3 |
| -0.4 | Quarterfinal | 🇸🇬 SINGAPORE | 28 | 3NT | ♠7 | +1 | -1 |
| -0.9 | Quarterfinal | 🇸🇬 SINGAPORE | 1 | 2NT | ♠3 | = | +0 |
| -2.7 | Quarterfinal | 🇸🇬 SINGAPORE | 12 | 3NT | ♣3 | = | +1 |
| -3.4 | Quarterfinal | 🇸🇬 SINGAPORE | 5 | 5♥x | ♠3 | = | -13 |
| -3.6 | Quarterfinal | 🇸🇬 SINGAPORE | 11 | 4♠ | ♠3 | -1 | -5 |
| -5.4 | Quarterfinal | 🇸🇬 SINGAPORE | 23 | 3NT | ♥9 | -2 | -6 |
| -5.6 | Quarterfinal | 🇸🇬 SINGAPORE | 4 | 3NT | ♣3 | = | +1 |
| -5.6 | Quarterfinal | 🇸🇬 SINGAPORE | 19 | 2♠x | ♠A | = | -8 |
| -6.9 | Quarterfinal | 🇸🇬 SINGAPORE | 25 | 4♥x | ♦9 | -2 | -4 |
| -8.4 | Quarterfinal | 🇸🇬 SINGAPORE | 16 | 3NT | ♣Q | = | -11 |
| -8.4 | Quarterfinal | 🇸🇬 SINGAPORE | 18 | 4♠ | ♦8 | = | +0 |
| -10.7 | Quarterfinal | 🇸🇬 SINGAPORE | 3 | 6♠ | ♣3 | = | +0 |