🇺🇸 GROSSACK Zachary · USA 1
vs par split: bidding -0.98 · play -0.54
Strength of schedule: opponents averaged -0.38/bd (an easy draw) → opponent-adjusted +0.11/bd
Card play — on target: opening leads 83.3% · declarer play 100.0% · defence 71.4%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 75.0% (4) |
| Declarer play | 100.0% (5) | 100.0% (8) |
| Defence | 25.0% (4) | 90.0% (10) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 66.7% (3)
vs par by strain: NT -1.75 (12) · a suit -1.63 (30)
vs par by level: part-score -0.54 (13) · game -1.88 (24) · slam -3.60 (5)
By role: declaring +0.68/bd (-3.32 vs par · 28) · defending +0.13/bd (+1.64 vs par · 14)
By vulnerability: vulnerable +0.19/bd (-1.52 vs par · 21) · not vulnerable +0.81/bd (-1.81 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | A.Grossack | R.Westerbeek – J.Van Lankveld | Closed | 14 | +19.6 | +1.40 | -1.64 |
| Quarterfinal | A.Grossack | T.Van Overbeeke – T.Polak | Open | 14 | -29.9 | -2.14 | -2.86 |
| Quarterfinal | A.Grossack | T.Van Overbeeke – T.Polak | Open | 14 | +31.2 | +2.23 | -0.50 |
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 | Quarterfinal | 🇳🇱 NETHERLANDS | 54 | 5♣xx | ♣2 | = | +11 |
| +11.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 2 | 5♥x | ♣A | -1 | +5 |
| +11.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 4 | 6NT | ♣J | = | +0 |
| +10.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 51 | 4♥ | ♠J | = | +0 |
| +10.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 47 | 6♥ | ♣Q | = | +0 |
| +6.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 13 | 3♣ | ♥3 | = | +11 |
| +5.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 44 | 3NT | ♥3 | +1 | +1 |
| +4.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 24 | 3NT | ♣A | +2 | +1 |
| +4.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 45 | 4♦ | ♠Q | = | +7 |
| +3.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 18 | 5♦x | ♥J | -1 | -9 |
| +2.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 48 | 2♦ | ♣Q | = | +5 |
| +2.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 11 | 3♠ | ♣K | -5 | -3 |
| +2.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 55 | 2♥ | ♦Q | -3 | +1 |
| +1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 25 | 4♥ | ♠K | +1 | +2 |
| +1.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 8 | 3NT | ♠6 | +2 | +0 |
| +1.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 27 | 3NT | ♥2 | +3 | +1 |
| +0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 49 | 1NT | ♦Q | = | -5 |
| +0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 23 | 6♠ | ♦4 | = | +13 |
| +0.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 5 | 3NT | ♥3 | = | +0 |
| +0.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 28 | 4♥ | ♠A | = | +14 |
| +0.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 7 | 2♦ | ♦6 | = | +1 |
| +0.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 14 | 5♣x | ♠A | -2 | +0 |
| +0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 56 | 4♠ | ♥T | +1 | +0 |
| -0.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 1 | 4♥ | ♣9 | +2 | -11 |
| -0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 3 | 3NT | ♠T | -2 | -7 |
| -0.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 10 | 2♥ | ♥2 | = | -11 |
| -0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 16 | 3NT | ♠K | -1 | -5 |
| -1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 22 | 3NT | ♠5 | +2 | -1 |
| -1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 15 | 4♠ | -2 | -8 | |
| -1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 46 | 2NT | ♣2 | -1 | -5 |
| -2.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 50 | 2♠ | ♥K | = | +0 |
| -3.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 6 | 2♥ | ♦6 | +2 | -1 |
| -3.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 12 | 3NT | ♠3 | +2 | -1 |
| -3.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 19 | 4♥ | ♦A | -1 | -10 |
| -3.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 52 | 4♥ | ♦2 | -2 | -5 |
| -4.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 53 | 5♦x | ♥K | -1 | -6 |
| -4.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 21 | 3♠ | ♦5 | -1 | +0 |
| -5.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 43 | 5♥xx | ♠K | -1 | -11 |
| -6.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 9 | 4♠ | ♥T | -1 | -6 |
| -6.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 26 | 2♣x | ♥J | = | -7 |
| -8.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 17 | 6♣ | ♦5 | -1 | -14 |
| -14.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 20 | 7♥x | ♠4 | -1 | -17 |