GROSSACK Zachary · ROBINSON
123rank
+19.6Butler · 100 bds
+0.20per board
±4.3swing
+0.68vs par /bd · #77/332
+0.44adjusted /bd
by round
vs par split: bidding +0.67 · play +0.01
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +0.44/bd
Card play — on target: opening leads 72.7% #231 of 332 · declarer play 90.0% #27 of 332 · defence 89.8% #75 of 332
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 69.2% (13) |
| Declarer play | 66.7% (9) | 100.0% (21) |
| Defence | 88.9% (18) | 90.3% (31) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 80.0% (5) · ♦ 66.7% (3) · ♣ 42.9% (7)
vs par by strain: NT +1.12 (34) · a suit +0.46 (66)
vs par by level: part-score +0.97 (29) · game +0.39 (67) · slam +3.50 (4)
By role: declaring +0.24/bd (-0.82 vs par · 51) · defending +0.14/bd (+2.25 vs par · 49)
By vulnerability: vulnerable -0.04/bd (+0.30 vs par · 50) · not vulnerable +0.43/bd (+1.06 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Robinson | P.Goodman – A.Machale | Closed | 10 | -3.8 | -0.38 | +0.70 |
| Round 2 | L.Robinson | L.Kohutova – M.Schanka | Closed | 10 | +22.6 | +2.26 | +1.60 |
| Round 3 | G.Botta | V.Aronov – A.Zobu | Open | 10 | -4.9 | -0.49 | -0.70 |
| Round 4 | G.Botta | A.Nilsson – A.Palma | Open | 10 | +22.0 | +2.20 | +4.90 |
| Round 5 | G.Botta | C.Lorenzini – A.Tartarin | Open | 10 | -16.1 | -1.61 | -0.10 |
| Round 6 | G.Botta | K.Bertheau – T.Bessis | Closed | 10 | -12.7 | -1.27 | -1.00 |
| Round 7 | G.Botta | T.Ozbay – H.Ozgur | Open | 10 | +11.8 | +1.18 | -0.80 |
| Round 8 | L.Robinson | S.De Wijs – D.Von Arnim | Open | 10 | -6.2 | -0.62 | +1.10 |
| Round 9 | G.Botta | N.Bausback – H.Ding | Open | 10 | +9.9 | +0.99 | +2.60 |
| Round 10 | G.Botta | P.Schaltz – D.Schaltz | Closed | 10 | -3.0 | -0.30 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +10.3 | Round 2 | PRAHA | 20 | 6♠ | ♥8 | = | +0 |
| +9.3 | Round 1 | IRELAND MIXED | 3 | 4♥ | ♦J | = | +11 |
| +8.8 | Round 8 | FERM | 16 | 1♥ | ♣K | -5 | +9 |
| +8.1 | Round 4 | OTRA VEZ | 4 | 2♥ | ♣4 | +3 | +9 |
| +7.3 | Round 4 | OTRA VEZ | 2 | 6♥ | ♦A | = | +11 |
| +7.1 | Round 2 | PRAHA | 18 | 4♥ | ♦K | +1 | +0 |
| +6.4 | Round 9 | 54FUN | 21 | 4♠ | ♥Q | = | +7 |
| +6.0 | Round 2 | PRAHA | 14 | 5♣x | ♠6 | = | +10 |
| +5.8 | Round 9 | 54FUN | 22 | 3NT | ♥2 | -1 | +14 |
| +5.7 | Round 9 | 54FUN | 24 | 4♥ | ♠10 | -1 | +10 |
| +5.1 | Round 7 | MEDIUM RARE | 8 | 1NT | ♦2 | +3 | +7 |
| +5.1 | Round 9 | 54FUN | 28 | 3♦ | ♣4 | -1 | -1 |
| +5.0 | Round 6 | BRENO | 30 | 3♥x | ♠A | -2 | +12 |
| +4.7 | Round 8 | FERM | 19 | 4♠ | ♣J | = | +7 |
| +4.6 | Round 6 | BRENO | 23 | 3NTx | ♠3 | -1 | +3 |
| +3.4 | Round 2 | PRAHA | 19 | 1NT | ♣4 | +2 | +6 |
| +3.4 | Round 3 | VALIO | 26 | 3NT | ♠4 | +3 | +13 |
| +3.4 | Round 7 | MEDIUM RARE | 4 | 4♥ | ♣Q | +1 | +0 |
| +3.3 | Round 1 | IRELAND MIXED | 7 | 3NT | ♥Q | = | +10 |
| +3.3 | Round 5 | TURNIPS | 15 | 6♥ | ♦K | -1 | +13 |
| +3.1 | Round 9 | 54FUN | 29 | 2NT | ♠A | -1 | +6 |
| +3.0 | Round 4 | OTRA VEZ | 8 | 5♥x | ♦K | -1 | +5 |
| +3.0 | Round 10 | SPARKLING VINTAGES | 1 | 2♣ | ♠8 | +1 | +0 |
| +3.0 | Round 10 | SPARKLING VINTAGES | 5 | 2♠ | ♥4 | = | +6 |
| +2.9 | Round 4 | OTRA VEZ | 9 | 3NT | ♠3 | +3 | +11 |
| +2.9 | Round 5 | TURNIPS | 17 | 3NT | ♣4 | -1 | +5 |
| +2.7 | Round 4 | OTRA VEZ | 7 | 4♠ | ♦6 | -3 | +13 |
| +2.7 | Round 7 | MEDIUM RARE | 2 | 4♠x | ♣2 | -1 | +0 |
| +2.6 | Round 2 | PRAHA | 12 | 2♠ | ♥6 | +1 | +6 |
| +2.6 | Round 7 | MEDIUM RARE | 7 | 4♠ | ♣A | -1 | +6 |
| +2.3 | Round 1 | IRELAND MIXED | 8 | 4♥ | ♦J | -1 | +5 |
| +2.3 | Round 4 | OTRA VEZ | 10 | 3♠ | ♦K | -1 | -1 |
| +2.2 | Round 6 | BRENO | 26 | 3NT | ♥K | +1 | +0 |
| +2.1 | Round 5 | TURNIPS | 19 | 5♠x | ♣7 | -2 | +0 |
| +2.0 | Round 4 | OTRA VEZ | 1 | 5♣x | ♠A | -1 | -5 |
| +1.9 | Round 4 | OTRA VEZ | 3 | 4♥ | ♠2 | +2 | +11 |
| +1.8 | Round 10 | SPARKLING VINTAGES | 7 | 2♣x | ♥6 | -1 | +2 |
| +1.7 | Round 6 | BRENO | 25 | 4♣ | ♥K | -1 | +5 |
| +1.7 | Round 7 | MEDIUM RARE | 5 | 4♠x | ♣Q | -2 | -5 |
| +1.5 | Round 1 | IRELAND MIXED | 6 | 4♠ | ♥2 | +1 | +0 |
| +1.5 | Round 3 | VALIO | 28 | 1NT | ♥2 | = | +5 |
| +1.3 | Round 8 | FERM | 12 | 2♦ | ♥J | -2 | -1 |
| +1.2 | Round 7 | MEDIUM RARE | 10 | 3NT | ♠2 | +1 | -1 |
| +1.2 | Round 8 | FERM | 11 | 4♥ | ♠2 | +1 | +11 |
| +1.1 | Round 3 | VALIO | 25 | 3NT | ♠4 | -1 | +0 |
| +1.0 | Round 1 | IRELAND MIXED | 2 | 4♠ | ♦10 | = | -1 |
| +1.0 | Round 1 | IRELAND MIXED | 10 | 4♠ | ♥5 | +1 | -4 |
| +1.0 | Round 3 | VALIO | 23 | 5♣ | ♦7 | = | -2 |
| +1.0 | Round 10 | SPARKLING VINTAGES | 8 | 3♣ | ♦K | = | +0 |
| +0.5 | Round 8 | FERM | 18 | 3NT | ♥K | = | +11 |
| +0.3 | Round 5 | TURNIPS | 14 | 3NT | ♣4 | +2 | +0 |
| +0.3 | Round 10 | SPARKLING VINTAGES | 3 | 4♥ | ♠A | +1 | +0 |
| +0.2 | Round 3 | VALIO | 21 | 3NT | ♣3 | = | -1 |
| +0.2 | Round 9 | 54FUN | 26 | 3NT | ♠K | +1 | +1 |
| +0.1 | Round 3 | VALIO | 27 | 3NT | ♥5 | +1 | +0 |
| +0.1 | Round 10 | SPARKLING VINTAGES | 6 | 3NT | ♥8 | +1 | +0 |
| -0.0 | Round 5 | TURNIPS | 11 | 4♥ | ♣K | +1 | +0 |
| -0.1 | Round 7 | MEDIUM RARE | 9 | 3NT | ♣10 | +1 | +0 |
| -0.3 | Round 2 | PRAHA | 13 | 5♦ | ♣A | = | +2 |
| -0.4 | Round 2 | PRAHA | 15 | 4♥ | ♣Q | +1 | +0 |
| -0.6 | Round 10 | SPARKLING VINTAGES | 10 | 3NT | ♥4 | +1 | +0 |
| -0.8 | Round 10 | SPARKLING VINTAGES | 9 | 4♠ | ♦A | -2 | +0 |
| -0.9 | Round 8 | FERM | 17 | 1NT | ♣5 | -2 | +1 |
| -0.9 | Round 9 | 54FUN | 30 | 4♠ | ♠5 | = | -1 |
| -1.1 | Round 5 | TURNIPS | 16 | 1NT | ♦10 | +2 | +0 |
| -1.2 | Round 3 | VALIO | 30 | 3NT | ♠6 | = | +1 |
| -1.2 | Round 7 | MEDIUM RARE | 1 | 3♠ | ♦7 | -1 | -4 |
| -1.3 | Round 6 | BRENO | 24 | 3♣ | ♥A | -2 | +0 |
| -1.4 | Round 5 | TURNIPS | 18 | 4♥ | ♠A | -1 | +2 |
| -1.5 | Round 10 | SPARKLING VINTAGES | 4 | 3♣ | ♠3 | +1 | -9 |
| -1.6 | Round 2 | PRAHA | 17 | 2♠ | ♥6 | = | -5 |
| -1.8 | Round 7 | MEDIUM RARE | 3 | 3NT | ♠5 | -3 | +0 |
| -1.8 | Round 7 | MEDIUM RARE | 6 | 4♥ | ♥5 | +2 | -11 |
| -1.9 | Round 2 | PRAHA | 16 | 3♣x | ♥10 | -1 | -2 |
| -1.9 | Round 3 | VALIO | 22 | 3NT | ♦J | +3 | -1 |
| -2.0 | Round 3 | VALIO | 24 | 6♣ | ♥3 | -1 | -10 |
| -2.0 | Round 4 | OTRA VEZ | 5 | 3NT | ♦10 | +1 | +0 |
| -2.1 | Round 1 | IRELAND MIXED | 1 | 4♠ | ♦K | = | +0 |
| -2.3 | Round 8 | FERM | 13 | 2♦ | ♣2 | = | +1 |
| -2.6 | Round 2 | PRAHA | 11 | 4♥ | ♠K | +1 | -1 |
| -2.9 | Round 5 | TURNIPS | 13 | 4♥ | ♣Q | = | +0 |
| -3.0 | Round 6 | BRENO | 27 | 1NT | ♣5 | -2 | -1 |
| -3.0 | Round 9 | 54FUN | 25 | 4♠ | ♥K | = | +0 |
| -3.2 | Round 9 | 54FUN | 23 | 1NT | ♦7 | -2 | -3 |
| -3.5 | Round 6 | BRENO | 29 | 4♥ | ♣K | +1 | +0 |
| -3.7 | Round 1 | IRELAND MIXED | 4 | 4♠ | ♣Q | +1 | -1 |
| -4.7 | Round 1 | IRELAND MIXED | 9 | 3♣ | ♦3 | -2 | -3 |
| -4.7 | Round 8 | FERM | 20 | 3NT | ♥A | -2 | -8 |
| -5.5 | Round 6 | BRENO | 21 | 2♠ | ♥K | -2 | -12 |
| -5.7 | Round 8 | FERM | 14 | 4♥ | ♥5 | -1 | -8 |
| -6.0 | Round 6 | BRENO | 22 | 4♠ | ♥5 | -1 | -5 |
| -6.2 | Round 4 | OTRA VEZ | 6 | 2♣ | ♠2 | -3 | -5 |
| -6.9 | Round 6 | BRENO | 28 | 3NT | ♦K | -1 | -12 |
| -7.1 | Round 3 | VALIO | 29 | 4♠ | ♦9 | -1 | -12 |
| -8.3 | Round 5 | TURNIPS | 12 | 4♠x | ♥3 | +1 | -8 |
| -9.1 | Round 8 | FERM | 15 | 3NT | ♥5 | -2 | -12 |
| -9.3 | Round 9 | 54FUN | 27 | 3NT | ♠2 | +1 | -7 |
| -9.3 | Round 10 | SPARKLING VINTAGES | 2 | 5♠ | ♣8 | -4 | -14 |
| -11.0 | Round 5 | TURNIPS | 20 | 4♥ | ♥4 | = | -13 |
| -11.7 | Round 1 | IRELAND MIXED | 5 | 3NT | ♥J | = | -10 |