BERRINGTON Ian · PIWAKAWAKA
158rank
-27.7Butler · 98 bds
-0.28per board
±4.9swing
-0.54vs par /bd · #127/180
-0.66adjusted /bd
by round
vs par split: bidding -0.22 · play -0.32
Strength of schedule: opponents averaged -0.38/bd (an easy draw) → opponent-adjusted -0.66/bd
Card play — on target: opening leads 80.0% #113 of 180 · declarer play 75.0% #97 of 180 · defence 85.7% #92 of 180
Bidding activity — not a pass: 48.2% #34 of 180 (123/255)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (10) | 80.0% (20) |
| Declarer play | 100.0% (3) | 69.2% (13) |
| Defence | 91.7% (12) | 84.1% (44) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 70.0% (10) · ♦ 85.7% (7) · ♣ 80.0% (5)
vs par by strain: NT +0.00 (20) · a suit -0.68 (78)
vs par by level: part-score +0.12 (42) · game -0.48 (44) · slam -3.08 (12)
By role: declaring +0.29/bd (-2.29 vs par · 42) · defending -0.71/bd (+0.77 vs par · 56)
By vulnerability: vulnerable -0.21/bd (-0.51 vs par · 49) · not vulnerable -0.35/bd (-0.57 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | F.Wen | S.Messika – C.Belloy | Open | 14 | -36.5 | -2.61 | -3.57 |
| Round 3 | F.Wen | K.Onsgard – B.Moss | Closed | 14 | -25.7 | -1.84 | -1.29 |
| Round 4 | F.Wen | M.Jakubisiak – P.Wydra | Closed | 14 | +38.5 | +2.75 | +5.00 |
| Round 5 | F.Wen | N.Silverman – G.Cohler | Closed | 14 | -5.0 | -0.36 | -1.29 |
| Round 6 | F.Wen | E.Romano – P.Marinoni | Open | 14 | +14.5 | +1.04 | +1.93 |
| Round 7 | F.Wen | J.Romanowski – M.Rossard | Closed | 14 | -2.0 | -0.14 | -3.64 |
| Round 8 | F.Wen | F.Fournier – D.Kroening | Closed | 14 | -11.5 | -0.82 | -0.93 |
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 |
|---|---|---|---|---|---|---|---|
| +12.6 | Round 4 | MIXED AND DANGEROUS | 23 | 4♥ | ♠3 | -2 | +17 |
| +12.0 | Round 4 | MIXED AND DANGEROUS | 16 | 6♣ | ♣7 | -1 | +17 |
| +10.6 | Round 6 | ITALY MARINO | 24 | 4♥ | ♣K | = | +11 |
| +10.2 | Round 5 | WOLFSON | 5 | 3NT | ♦6 | +1 | +0 |
| +9.8 | Round 8 | DREAM TEAM | 26 | 6NT | ♥T | = | +0 |
| +9.5 | Round 6 | ITALY MARINO | 16 | 3NT | ♥3 | +1 | +7 |
| +7.4 | Round 4 | MIXED AND DANGEROUS | 20 | 4♠ | ♣8 | -1 | +12 |
| +7.2 | Round 7 | BLUE NOTE | 1 | 6♣ | ♠4 | = | -2 |
| +6.6 | Round 6 | ITALY MARINO | 26 | 2♠ | ♦K | -1 | +0 |
| +5.7 | Round 8 | DREAM TEAM | 17 | 2NT | ♣T | = | +6 |
| +5.4 | Round 4 | MIXED AND DANGEROUS | 24 | 5♠ | ♣4 | +1 | +11 |
| +4.3 | Round 5 | WOLFSON | 10 | 5♠x | ♠A | -2 | +0 |
| +4.1 | Round 2 | SAVERIA IS BACK | 18 | 3♠ | ♥3 | -1 | +4 |
| +3.9 | Round 2 | SAVERIA IS BACK | 23 | 5♣ | ♥A | -1 | +6 |
| +3.8 | Round 8 | DREAM TEAM | 15 | 4♠ | ♥6 | +2 | +11 |
| +3.2 | Round 4 | MIXED AND DANGEROUS | 21 | 5♦ | ♣K | -1 | +5 |
| +3.1 | Round 2 | SAVERIA IS BACK | 15 | 2♠ | ♦9 | -2 | +0 |
| +3.1 | Round 8 | DREAM TEAM | 20 | 3♥ | ♣6 | -3 | +5 |
| +2.7 | Round 8 | DREAM TEAM | 23 | 3♦ | ♣T | -1 | +0 |
| +2.6 | Round 6 | ITALY MARINO | 15 | 3♠ | ♥8 | -2 | +6 |
| +2.6 | Round 7 | BLUE NOTE | 6 | 6♠ | ♦7 | = | +0 |
| +2.4 | Round 4 | MIXED AND DANGEROUS | 27 | 4♣ | ♠Q | = | +1 |
| +2.2 | Round 4 | MIXED AND DANGEROUS | 22 | 4♥ | ♦A | = | +0 |
| +2.0 | Round 2 | SAVERIA IS BACK | 28 | 2NT | ♥4 | -2 | +5 |
| +1.9 | Round 3 | PARKER | 6 | 5♠ | ♣K | -1 | +5 |
| +1.9 | Round 3 | PARKER | 8 | 4♥ | ♠9 | = | +3 |
| +1.5 | Round 7 | BLUE NOTE | 2 | 4♠ | ♣T | +2 | -12 |
| +1.4 | Round 8 | DREAM TEAM | 24 | 1NT | ♥6 | +1 | +1 |
| +1.3 | Round 5 | WOLFSON | 7 | 4♥ | ♣5 | +3 | +3 |
| +1.3 | Round 7 | BLUE NOTE | 14 | 3NT | ♦4 | +1 | -11 |
| +1.2 | Round 4 | MIXED AND DANGEROUS | 19 | 2♥ | ♠A | +1 | +0 |
| +1.2 | Round 6 | ITALY MARINO | 25 | 5♣ | ♦3 | = | +5 |
| +1.2 | Round 7 | BLUE NOTE | 9 | 2NT | ♦T | -1 | +5 |
| +1.1 | Round 6 | ITALY MARINO | 23 | 3♣ | ♥T | +3 | +10 |
| +1.1 | Round 7 | BLUE NOTE | 8 | 1NT | ♥5 | -1 | -2 |
| +1.0 | Round 4 | MIXED AND DANGEROUS | 15 | 3♥ | ♦K | -1 | +1 |
| +1.0 | Round 6 | ITALY MARINO | 19 | 2♥ | ♦Q | -1 | +2 |
| +0.8 | Round 7 | BLUE NOTE | 3 | 5♠ | ♦T | +1 | -11 |
| +0.6 | Round 2 | SAVERIA IS BACK | 21 | 4♣ | ♦5 | -1 | +5 |
| +0.6 | Round 2 | SAVERIA IS BACK | 22 | 4♠ | ♥5 | +1 | +0 |
| +0.5 | Round 6 | ITALY MARINO | 18 | 4♥ | ♦3 | +2 | +11 |
| +0.4 | Round 6 | ITALY MARINO | 22 | 2♠ | ♣K | -1 | -4 |
| +0.3 | Round 4 | MIXED AND DANGEROUS | 28 | 4♥ | ♥2 | = | +0 |
| +0.1 | Round 4 | MIXED AND DANGEROUS | 18 | 1NT | ♥J | +1 | +1 |
| -0.0 | Round 5 | WOLFSON | 6 | 3♦ | ♥2 | +2 | +0 |
| +0.0 | Round 8 | DREAM TEAM | 25 | 4♠ | ♥8 | = | +1 |
| -0.1 | Round 3 | PARKER | 4 | 2♥ | ♠J | -1 | +0 |
| -0.1 | Round 7 | BLUE NOTE | 11 | 3♠ | ♥Q | = | -7 |
| -0.2 | Round 3 | PARKER | 7 | 3NT | ♣8 | +2 | +0 |
| -0.3 | Round 8 | DREAM TEAM | 18 | 4♠ | ♠2 | +3 | -12 |
| -0.5 | Round 6 | ITALY MARINO | 20 | 3♥ | ♦K | = | -7 |
| -0.6 | Round 6 | ITALY MARINO | 27 | 4♥ | ♥5 | = | +0 |
| -0.7 | Round 3 | PARKER | 1 | 3♠ | ♠5 | = | +0 |
| -0.7 | Round 3 | PARKER | 5 | 2♥ | ♠J | +1 | +0 |
| -0.7 | Round 5 | WOLFSON | 11 | 4♠ | ♥A | = | +0 |
| -0.7 | Round 5 | WOLFSON | 13 | 4♥ | ♣7 | +1 | +0 |
| -0.7 | Round 7 | BLUE NOTE | 4 | 4♠ | ♦K | = | -1 |
| -0.8 | Round 5 | WOLFSON | 14 | 3♦ | ♠5 | -1 | -3 |
| -0.9 | Round 3 | PARKER | 13 | 1NT | ♦J | = | +0 |
| -1.0 | Round 2 | SAVERIA IS BACK | 27 | 3♠ | ♦Q | -2 | +1 |
| -1.1 | Round 5 | WOLFSON | 3 | 3NT | ♦3 | +3 | -1 |
| -1.2 | Round 5 | WOLFSON | 4 | 3♥ | ♦4 | -1 | +9 |
| -1.3 | Round 7 | BLUE NOTE | 10 | 4♥ | ♠T | = | +1 |
| -1.4 | Round 3 | PARKER | 9 | 5♦ | ♠Q | -4 | +7 |
| -1.4 | Round 8 | DREAM TEAM | 22 | 3♥ | ♠6 | = | +0 |
| -1.5 | Round 7 | BLUE NOTE | 13 | 3NT | ♠2 | +1 | +0 |
| -1.6 | Round 3 | PARKER | 14 | 3♠ | ♣K | -1 | -2 |
| -1.7 | Round 2 | SAVERIA IS BACK | 25 | 2♠ | ♣3 | -1 | -1 |
| -1.7 | Round 4 | MIXED AND DANGEROUS | 25 | 3♣ | ♠3 | -2 | +0 |
| -2.1 | Round 3 | PARKER | 11 | 3♥ | ♣A | = | -1 |
| -2.1 | Round 3 | PARKER | 12 | 2♠ | ♣J | = | -5 |
| -2.1 | Round 5 | WOLFSON | 9 | 2♠ | ♣A | = | +0 |
| -2.2 | Round 2 | SAVERIA IS BACK | 19 | 3♥ | ♦K | -1 | -5 |
| -2.2 | Round 5 | WOLFSON | 1 | 4♠ | ♦J | -2 | -6 |
| -2.3 | Round 5 | WOLFSON | 12 | 4♣ | ♦K | +1 | +0 |
| -2.3 | Round 8 | DREAM TEAM | 19 | 3NT | ♠9 | = | +0 |
| -2.9 | Round 7 | BLUE NOTE | 5 | 6NT | ♥3 | = | +10 |
| -3.0 | Round 7 | BLUE NOTE | 12 | 4♠ | ♣2 | -1 | -12 |
| -3.3 | Round 2 | SAVERIA IS BACK | 16 | 7♠x | ♥3 | -5 | -10 |
| -3.3 | Round 4 | MIXED AND DANGEROUS | 17 | 6♣ | ♥A | +1 | +11 |
| -3.3 | Round 5 | WOLFSON | 2 | 6♣ | ♠K | -1 | -12 |
| -3.5 | Round 3 | PARKER | 10 | 3♥ | ♠6 | = | -7 |
| -4.3 | Round 4 | MIXED AND DANGEROUS | 26 | 2♠ | ♦A | = | -6 |
| -4.8 | Round 6 | ITALY MARINO | 28 | 3NT | ♠7 | = | -6 |
| -5.0 | Round 6 | ITALY MARINO | 21 | 2♠ | ♥A | +2 | -1 |
| -6.2 | Round 8 | DREAM TEAM | 16 | 3♣ | ♣K | -3 | -6 |
| -6.4 | Round 5 | WOLFSON | 8 | 4♥ | ♠2 | -1 | -8 |
| -7.9 | Round 8 | DREAM TEAM | 27 | 3NT | ♦4 | = | +1 |
| -8.1 | Round 3 | PARKER | 2 | 4♠ | ♦6 | = | -7 |
| -8.1 | Round 3 | PARKER | 3 | 4♥ | ♠A | +1 | -11 |
| -8.1 | Round 6 | ITALY MARINO | 17 | 3NT | ♥K | = | -7 |
| -8.2 | Round 7 | BLUE NOTE | 7 | 3NT | ♠7 | -2 | -9 |
| -8.8 | Round 8 | DREAM TEAM | 28 | 5♦x | ♥A | -2 | -11 |
| -10.0 | Round 2 | SAVERIA IS BACK | 24 | 6♠ | ♣T | = | -11 |
| -10.0 | Round 2 | SAVERIA IS BACK | 26 | 7♥ | ♠J | -1 | -17 |
| -10.7 | Round 2 | SAVERIA IS BACK | 20 | 4♠ | ♣K | = | -13 |
| -11.1 | Round 8 | DREAM TEAM | 21 | 6♥x | ♥2 | = | -9 |
| -11.9 | Round 2 | SAVERIA IS BACK | 17 | 6♠ | ♦8 | -1 | -14 |