GROSSACK Zachary · PATCHWORK DYNAMITE
119rank
+34.5Butler · 110 bds
+0.31per board
±4.4swing
+0.40vs par /bd · #116/441
+0.56adjusted /bd
by round
vs par split: bidding +0.58 · play -0.18
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +0.56/bd
Card play — on target: opening leads 87.5% #48 of 441 · declarer play 79.5% #109 of 441 · defence 91.3% #47 of 441
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 90.0% (20) |
| Declarer play | 88.9% (9) | 76.7% (30) |
| Defence | 87.5% (8) | 92.1% (38) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 77.8% (9) · ♦ 100.0% (2) · ♣ 100.0% (8)
vs par by strain: NT +0.05 (21) · a suit +0.48 (89)
vs par by level: part-score +1.55 (29) · game -0.30 (71) · slam +2.00 (10)
By role: declaring -0.14/bd (-1.78 vs par · 64) · defending +0.94/bd (+3.44 vs par · 46)
By vulnerability: vulnerable +0.07/bd (+0.32 vs par · 57) · not vulnerable +0.57/bd (+0.49 vs par · 53)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | M.Rimstedt | K.Araszkiewicz – K.Kotorowicz | Open | 10 | +8.7 | +0.87 | -1.30 |
| Round 4 | M.Rimstedt | D.Walsh – C.Coyne | Open | 10 | +20.3 | +2.03 | +4.40 |
| Round 5 | M.Rimstedt | M.Lanzarotti – A.Franchi | Open | 10 | +10.4 | +1.04 | -1.00 |
| Round 7 | M.Rimstedt | T.Guichet – L.Bonin | Open | 10 | -31.0 | -3.10 | -4.80 |
| Round 8 | M.Rimstedt | B.Szegedi – G.Winkler | Open | 10 | +17.0 | +1.70 | +0.80 |
| Round 9 | M.Rimstedt | T.Kielbasa – J.Bazyluk | Open | 10 | +18.4 | +1.84 | +2.10 |
| Round 10 | M.Rimstedt | B.Drijver – S.Brink | Closed | 10 | -9.4 | -0.94 | +0.60 |
| Round 11 | M.Rimstedt | B.Norton – S.Tommasini | Closed | 10 | +1.1 | +0.11 | +3.40 |
| Round 12 | M.Rimstedt | C.Bakke – B.Brogeland | Closed | 10 | +9.2 | +0.92 | -0.40 |
| Round 14 | M.Rimstedt | B.Clementsson – J.Clementsson | Closed | 10 | +9.6 | +0.96 | -0.20 |
| Round 15 | M.Rimstedt | A.Manno – M.Di Franco | Open | 10 | -19.8 | -1.98 | +0.80 |
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 |
|---|---|---|---|---|---|---|---|
| +16.4 | Round 11 | SANDFIA | 18 | 3♥xx | ♣9 | -4 | +15 |
| +13.1 | Round 9 | BRIDGE24PL B | 29 | 6♣ | ♥10 | = | +13 |
| +9.5 | Round 9 | BRIDGE24PL B | 26 | 7NT | ♥2 | = | +0 |
| +7.5 | Round 5 | BRENO | 14 | 4♠ | ♣K | = | +11 |
| +7.3 | Round 4 | COYNE | 2 | 4♥ | ♣K | -1 | +10 |
| +7.1 | Round 3 | GROUP ONE TEAM | 22 | 5♠x | ♣J | -1 | +0 |
| +7.0 | Round 4 | COYNE | 4 | 5♦ | ♥K | -1 | +15 |
| +6.8 | Round 3 | GROUP ONE TEAM | 27 | 6♠ | ♦A | = | +0 |
| +6.6 | Round 11 | SANDFIA | 20 | 6♦ | ♥5 | -2 | +13 |
| +6.2 | Round 8 | DUMBOVICH | 19 | 4♠ | ♥K | -1 | +5 |
| +6.2 | Round 14 | TRESET | 17 | 2♣x | ♥K | -2 | +4 |
| +6.1 | Round 5 | BRENO | 15 | 4♠x | ♣6 | -3 | +0 |
| +6.0 | Round 4 | COYNE | 1 | 3♠ | ♦K | -2 | +13 |
| +5.5 | Round 12 | ROSENTHAL | 24 | 5♣x | ♦10 | -2 | +5 |
| +4.8 | Round 12 | ROSENTHAL | 28 | 4♠x | ♦4 | -2 | +5 |
| +4.7 | Round 10 | ZIMMERMANN | 5 | 4♠ | ♠J | = | +0 |
| +4.6 | Round 8 | DUMBOVICH | 15 | 3♦ | ♣Q | -1 | -2 |
| +4.5 | Round 14 | TRESET | 16 | 3NT | ♦10 | +1 | +0 |
| +4.5 | Round 15 | STREET | 30 | 4♥ | ♠7 | = | +0 |
| +4.4 | Round 8 | DUMBOVICH | 11 | 6♥ | ♠J | -1 | +10 |
| +4.3 | Round 9 | BRIDGE24PL B | 27 | 6♠ | ♠5 | +1 | +1 |
| +4.1 | Round 7 | TEXAN ACES | 2 | 3♥ | ♠Q | = | +10 |
| +4.1 | Round 8 | DUMBOVICH | 18 | 4♠x | ♦K | -1 | +0 |
| +3.7 | Round 12 | ROSENTHAL | 27 | 4♠x | ♥K | -3 | +3 |
| +3.6 | Round 4 | COYNE | 3 | 3NT | ♦3 | +2 | +1 |
| +3.6 | Round 8 | DUMBOVICH | 14 | 4♠ | ♥5 | = | +3 |
| +3.5 | Round 12 | ROSENTHAL | 30 | 1NTx | ♠K | = | -3 |
| +3.4 | Round 14 | TRESET | 13 | 2♦ | ♥4 | +1 | +11 |
| +3.3 | Round 5 | BRENO | 17 | 3♠ | ♠5 | = | -7 |
| +3.1 | Round 12 | ROSENTHAL | 29 | 4♠ | ♥A | = | +3 |
| +2.9 | Round 12 | ROSENTHAL | 23 | 6♥ | ♣5 | +1 | +1 |
| +2.8 | Round 4 | COYNE | 7 | 4♠ | ♣4 | -1 | +12 |
| +2.5 | Round 9 | BRIDGE24PL B | 23 | 3♠ | ♠6 | = | +8 |
| +2.2 | Round 9 | BRIDGE24PL B | 25 | 3NT | ♦3 | = | +7 |
| +2.0 | Round 7 | TEXAN ACES | 7 | 4♥ | ♠5 | = | -13 |
| +1.5 | Round 9 | BRIDGE24PL B | 30 | 4♠ | ♦4 | = | +0 |
| +1.4 | Round 3 | GROUP ONE TEAM | 23 | 5♥ | ♦6 | = | +0 |
| +1.4 | Round 3 | GROUP ONE TEAM | 29 | 4♠ | ♦5 | = | -1 |
| +1.1 | Round 4 | COYNE | 6 | 1NT | ♣8 | -1 | +2 |
| +1.1 | Round 14 | TRESET | 15 | 3♣ | ♠10 | +1 | +0 |
| +0.9 | Round 4 | COYNE | 10 | 2♦x | ♦2 | -1 | +3 |
| +0.9 | Round 8 | DUMBOVICH | 20 | 3NT | ♥9 | +1 | -1 |
| +0.8 | Round 5 | BRENO | 12 | 2NT | ♥4 | +2 | +6 |
| +0.7 | Round 14 | TRESET | 18 | 4♠ | ♥K | = | +1 |
| +0.5 | Round 11 | SANDFIA | 19 | 4♥ | ♦6 | -1 | +6 |
| +0.4 | Round 5 | BRENO | 18 | 4♥ | ♣A | = | +0 |
| +0.3 | Round 4 | COYNE | 8 | 2♠ | ♦K | -1 | +2 |
| +0.3 | Round 10 | ZIMMERMANN | 9 | 3♦ | ♥J | -1 | -2 |
| +0.3 | Round 14 | TRESET | 19 | 4♠ | ♥7 | = | +0 |
| +0.1 | Round 5 | BRENO | 19 | 4♠ | ♥6 | +1 | +1 |
| +0.0 | Round 10 | ZIMMERMANN | 2 | 4♠ | ♠4 | = | +0 |
| -0.1 | Round 5 | BRENO | 11 | 3NT | ♣4 | = | +1 |
| -0.1 | Round 8 | DUMBOVICH | 12 | 3♣ | ♦9 | +1 | +0 |
| -0.1 | Round 8 | DUMBOVICH | 16 | 4♠x | ♠2 | -2 | +5 |
| -0.3 | Round 10 | ZIMMERMANN | 10 | 2♠ | ♠5 | = | -1 |
| -0.3 | Round 14 | TRESET | 20 | 1NT | ♠3 | = | +1 |
| -0.4 | Round 5 | BRENO | 13 | 3NT | ♦9 | +1 | +0 |
| -0.4 | Round 10 | ZIMMERMANN | 3 | 4♠ | ♥Q | = | +0 |
| -0.5 | Round 3 | GROUP ONE TEAM | 21 | 3NT | ♦6 | = | +1 |
| -0.5 | Round 11 | SANDFIA | 15 | 3NT | ♥10 | +1 | +0 |
| -0.7 | Round 3 | GROUP ONE TEAM | 28 | 2♠ | ♥2 | -1 | -2 |
| -0.7 | Round 10 | ZIMMERMANN | 6 | 4♥ | ♦3 | +2 | +11 |
| -0.7 | Round 12 | ROSENTHAL | 21 | 3NT | ♦4 | +2 | +0 |
| -0.7 | Round 15 | STREET | 27 | 4♠ | ♣3 | = | +0 |
| -0.8 | Round 3 | GROUP ONE TEAM | 26 | 4♥ | ♣K | = | +1 |
| -0.8 | Round 3 | GROUP ONE TEAM | 30 | 2♠ | ♣3 | -1 | +2 |
| -0.8 | Round 11 | SANDFIA | 14 | 3♣ | ♥5 | -3 | +6 |
| -0.8 | Round 12 | ROSENTHAL | 26 | 4♥ | ♦5 | = | -1 |
| -0.8 | Round 14 | TRESET | 11 | 4♥ | ♣4 | +1 | +0 |
| -1.0 | Round 15 | STREET | 28 | 4♠ | ♣10 | -3 | -5 |
| -1.1 | Round 7 | TEXAN ACES | 8 | 3NT | ♥Q | -1 | +2 |
| -1.1 | Round 10 | ZIMMERMANN | 1 | 4♠ | ♦10 | = | +0 |
| -1.2 | Round 15 | STREET | 26 | 4♥ | ♠4 | = | +0 |
| -1.3 | Round 9 | BRIDGE24PL B | 24 | 4♦ | ♠K | -1 | -4 |
| -1.3 | Round 10 | ZIMMERMANN | 4 | 2♥ | ♠7 | = | +0 |
| -1.4 | Round 9 | BRIDGE24PL B | 21 | 3NT | ♥4 | -2 | -7 |
| -1.4 | Round 15 | STREET | 29 | 6♠x | ♥6 | -3 | +0 |
| -1.5 | Round 14 | TRESET | 14 | 4♥ | ♣K | = | -11 |
| -1.6 | Round 11 | SANDFIA | 13 | 4♠ | ♣K | -3 | +8 |
| -1.7 | Round 5 | BRENO | 16 | 4♠ | ♥3 | +3 | -10 |
| -1.9 | Round 7 | TEXAN ACES | 9 | 4♠ | ♥10 | = | +0 |
| -2.0 | Round 3 | GROUP ONE TEAM | 25 | 4♥ | ♣A | +3 | -14 |
| -2.2 | Round 15 | STREET | 23 | 3♥ | ♦9 | = | +0 |
| -2.3 | Round 8 | DUMBOVICH | 13 | 6♦ | ♥2 | +1 | -7 |
| -2.3 | Round 15 | STREET | 22 | 3NT | ♥K | +1 | +12 |
| -2.4 | Round 4 | COYNE | 5 | 5♥x | ♠A | -2 | +0 |
| -2.4 | Round 15 | STREET | 24 | 4♥ | ♦A | -2 | +1 |
| -2.6 | Round 11 | SANDFIA | 11 | 4♠ | ♥10 | = | +0 |
| -3.1 | Round 10 | ZIMMERMANN | 8 | 2♥x | ♠Q | -3 | -2 |
| -3.1 | Round 11 | SANDFIA | 12 | 3♠ | ♦A | -2 | -3 |
| -3.2 | Round 3 | GROUP ONE TEAM | 24 | 3♣ | ♣7 | -3 | +0 |
| -3.2 | Round 11 | SANDFIA | 17 | 4♥ | ♥9 | = | +0 |
| -3.8 | Round 7 | TEXAN ACES | 1 | 1NTx | ♥J | -2 | -4 |
| -3.8 | Round 15 | STREET | 25 | 4♠x | ♥3 | -4 | +12 |
| -4.0 | Round 14 | TRESET | 12 | 3♣ | ♦5 | +2 | -8 |
| -4.1 | Round 7 | TEXAN ACES | 5 | 4♠ | ♥A | +2 | -11 |
| -4.3 | Round 8 | DUMBOVICH | 17 | 3NT | ♥K | -1 | -5 |
| -4.5 | Round 12 | ROSENTHAL | 22 | 4♥ | ♣K | -1 | -5 |
| -4.6 | Round 9 | BRIDGE24PL B | 28 | 4♠ | ♥5 | +1 | +11 |
| -5.1 | Round 7 | TEXAN ACES | 3 | 5♦x | ♠Q | -1 | -8 |
| -5.5 | Round 7 | TEXAN ACES | 10 | 4♥ | ♦10 | +2 | -13 |
| -5.6 | Round 5 | BRENO | 20 | 4♥ | ♦5 | -1 | -12 |
| -6.3 | Round 4 | COYNE | 9 | 4♠ | ♦Q | -2 | -14 |
| -6.3 | Round 7 | TEXAN ACES | 6 | 4♠ | ♥7 | = | +1 |
| -7.4 | Round 9 | BRIDGE24PL B | 22 | 5♣x | ♥A | -3 | -8 |
| -7.5 | Round 10 | ZIMMERMANN | 7 | 3NT | ♠10 | +1 | +0 |
| -8.3 | Round 12 | ROSENTHAL | 25 | 4♥ | ♠8 | -1 | -12 |
| -9.3 | Round 7 | TEXAN ACES | 4 | 3NTx | ♠3 | = | -12 |
| -9.3 | Round 15 | STREET | 21 | 4♠ | ♠3 | -1 | -12 |
| -10.6 | Round 11 | SANDFIA | 16 | 6♥ | ♦6 | -1 | -11 |