🇸🇪 BERTHEAU Peter · SWEDEN
89rank
-55.2Butler · 100 bds
-0.55per board
±4.5swing
-0.39vs par /bd
-0.38adjusted /bd
by round
vs par split: bidding -0.23 · play -0.10
Strength of schedule: opponents averaged +0.17/bd (a tough draw) → opponent-adjusted -0.38/bd
Card play — on target: opening leads 66.7% · declarer play 69.6% · defence 90.6%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 37.5% (8) | 81.2% (16) |
| Declarer play | 77.8% (9) | 64.3% (14) |
| Defence | 88.9% (18) | 91.4% (35) |
Opening leads by suit led: ♠ 50.0% (6) · ♥ 83.3% (6) · ♦ 71.4% (7) · ♣ 60.0% (5)
vs par by strain: NT +0.11 (35) · a suit -0.66 (65)
vs par by level: part-score -0.63 (38) · game -0.71 (55) · slam +3.43 (7)
By role: declaring -1.11/bd (-2.94 vs par · 46) · defending -0.08/bd (+1.78 vs par · 54)
By vulnerability: vulnerable -1.09/bd (-2.10 vs par · 50) · not vulnerable -0.01/bd (+1.32 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 21 | F.Nystrom | I.Kandemir – S.Kolata | Closed | 20 | -5.5 | -0.28 | -0.20 |
| Round 22 | F.Nystrom | S.Haraldsson – M.Magnusson | Open | 20 | -1.9 | -0.10 | +0.45 |
| Round 24 | F.Nystrom | V.Batov – I.Bonev | Open | 20 | -25.1 | -1.26 | -1.45 |
| Round 25 | F.Nystrom | N.Bocchi – A.Madala | Closed | 20 | -4.5 | -0.23 | -1.30 |
| Round 27 | F.Nystrom | D.Mossop – G.Zivkovic | Closed | 20 | -18.2 | -0.91 | +0.55 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 25 | 🇮🇹 ITALY | 1 | 7♦ | ♦4 | -1 | +14 |
| +9.1 | Round 24 | 🇧🇬 BULGARIA | 8 | 2♠x | ♦J | -4 | +9 |
| +8.9 | Round 24 | 🇧🇬 BULGARIA | 3 | 3NT | ♥5 | = | -1 |
| +8.8 | Round 21 | 🇹🇷 TURKEY | 10 | 5♣ | ♠4 | -1 | +6 |
| +8.2 | Round 27 | 🇨🇭 SWITZERLAND | 15 | 6NTx | ♦3 | -3 | +14 |
| +7.1 | Round 27 | 🇨🇭 SWITZERLAND | 17 | 3NT | ♦9 | = | +7 |
| +5.5 | Round 21 | 🇹🇷 TURKEY | 8 | 3♥ | ♦5 | +2 | +6 |
| +5.3 | Round 27 | 🇨🇭 SWITZERLAND | 16 | 3NT | ♠6 | +2 | +13 |
| +4.9 | Round 22 | 🇮🇸 ICELAND | 14 | 6NT | ♠6 | -1 | +14 |
| +4.6 | Round 21 | 🇹🇷 TURKEY | 18 | 3♥ | ♠J | -1 | +12 |
| +4.5 | Round 21 | 🇹🇷 TURKEY | 3 | 4♠ | ♣A | -3 | +11 |
| +4.5 | Round 24 | 🇧🇬 BULGARIA | 14 | 3♦ | ♠2 | -2 | +6 |
| +4.1 | Round 25 | 🇮🇹 ITALY | 5 | 4♥ | ♠10 | -1 | +5 |
| +4.0 | Round 25 | 🇮🇹 ITALY | 7 | 3NT | ♥5 | = | +0 |
| +3.9 | Round 25 | 🇮🇹 ITALY | 13 | 3♠ | ♠4 | -2 | +3 |
| +3.6 | Round 25 | 🇮🇹 ITALY | 9 | 3NT | ♠6 | -1 | +10 |
| +3.4 | Round 22 | 🇮🇸 ICELAND | 10 | 4♥ | ♦3 | +1 | +0 |
| +2.9 | Round 21 | 🇹🇷 TURKEY | 12 | 7♦ | ♠Q | = | -2 |
| +2.8 | Round 22 | 🇮🇸 ICELAND | 15 | 3♦ | ♥A | -1 | +5 |
| +2.8 | Round 24 | 🇧🇬 BULGARIA | 13 | 2♠ | ♠5 | -1 | +0 |
| +2.8 | Round 27 | 🇨🇭 SWITZERLAND | 1 | 3NT | ♦5 | -1 | +10 |
| +2.5 | Round 22 | 🇮🇸 ICELAND | 2 | 2♥ | ♥A | -1 | +0 |
| +2.2 | Round 22 | 🇮🇸 ICELAND | 9 | 3NT | ♣4 | +2 | +0 |
| +2.0 | Round 25 | 🇮🇹 ITALY | 11 | 2NT | ♣10 | = | -1 |
| +1.9 | Round 22 | 🇮🇸 ICELAND | 19 | 4♥ | ♦5 | -1 | +5 |
| +1.9 | Round 24 | 🇧🇬 BULGARIA | 12 | 4♥ | ♦Q | = | +0 |
| +1.8 | Round 22 | 🇮🇸 ICELAND | 4 | 4♠ | ♣3 | +1 | +0 |
| +1.6 | Round 27 | 🇨🇭 SWITZERLAND | 20 | 3NT | ♣8 | = | +1 |
| +1.5 | Round 25 | 🇮🇹 ITALY | 18 | 6♥ | ♣5 | = | +0 |
| +1.4 | Round 24 | 🇧🇬 BULGARIA | 1 | 4♠ | ♦6 | = | +0 |
| +1.3 | Round 21 | 🇹🇷 TURKEY | 6 | 4♠ | ♦8 | +1 | +0 |
| +1.2 | Round 21 | 🇹🇷 TURKEY | 16 | 4♥ | ♦6 | = | +8 |
| +1.2 | Round 25 | 🇮🇹 ITALY | 10 | 3♠ | ♥Q | = | +1 |
| +1.2 | Round 27 | 🇨🇭 SWITZERLAND | 7 | 3♠ | ♦K | -1 | +0 |
| +1.2 | Round 27 | 🇨🇭 SWITZERLAND | 9 | 1NT | ♥2 | = | +5 |
| +1.0 | Round 21 | 🇹🇷 TURKEY | 11 | 2♥ | ♦2 | -2 | +0 |
| +0.8 | Round 21 | 🇹🇷 TURKEY | 5 | 2♥ | ♣A | = | +0 |
| +0.8 | Round 21 | 🇹🇷 TURKEY | 15 | 3NT | ♥3 | +1 | +0 |
| +0.6 | Round 22 | 🇮🇸 ICELAND | 17 | 5♣ | ♦K | -2 | +11 |
| +0.5 | Round 22 | 🇮🇸 ICELAND | 3 | 3♥ | ♣Q | -1 | +1 |
| +0.4 | Round 21 | 🇹🇷 TURKEY | 9 | 4♠ | ♥K | = | +0 |
| +0.3 | Round 27 | 🇨🇭 SWITZERLAND | 10 | 3NT | ♦3 | +1 | +0 |
| +0.3 | Round 27 | 🇨🇭 SWITZERLAND | 14 | 4♥ | ♠A | -1 | +2 |
| +0.2 | Round 24 | 🇧🇬 BULGARIA | 19 | 3NT | ♣Q | = | +1 |
| +0.2 | Round 24 | 🇧🇬 BULGARIA | 20 | 1NT | ♠5 | -1 | +1 |
| +0.1 | Round 24 | 🇧🇬 BULGARIA | 4 | 4♠ | ♣T | = | -3 |
| +0.1 | Round 24 | 🇧🇬 BULGARIA | 18 | 4♠ | ♣3 | +1 | +13 |
| -0.0 | Round 25 | 🇮🇹 ITALY | 6 | 6♥ | ♣J | = | +0 |
| +0.0 | Round 27 | 🇨🇭 SWITZERLAND | 11 | 2♥ | ♦Q | = | +1 |
| -0.1 | Round 22 | 🇮🇸 ICELAND | 11 | 3NT | ♠3 | +1 | +0 |
| -0.2 | Round 27 | 🇨🇭 SWITZERLAND | 19 | 5♦ | ♦J | -1 | +2 |
| -0.5 | Round 25 | 🇮🇹 ITALY | 4 | 1NT | ♣J | = | -5 |
| -0.5 | Round 25 | 🇮🇹 ITALY | 14 | 4♠ | ♦5 | +2 | -1 |
| -0.5 | Round 25 | 🇮🇹 ITALY | 20 | 3NT | ♥9 | +1 | +0 |
| -0.6 | Round 24 | 🇧🇬 BULGARIA | 10 | 3NT | ♥T | +2 | -13 |
| -0.6 | Round 27 | 🇨🇭 SWITZERLAND | 3 | 4♠ | ♥5 | = | +13 |
| -0.7 | Round 22 | 🇮🇸 ICELAND | 20 | 2♠ | +1 | -6 | |
| -0.9 | Round 24 | 🇧🇬 BULGARIA | 5 | 2♥ | ♦Q | +1 | -6 |
| -0.9 | Round 25 | 🇮🇹 ITALY | 15 | 4♠ | ♥10 | +1 | +0 |
| -1.0 | Round 22 | 🇮🇸 ICELAND | 13 | 1NT | ♥Q | +1 | -1 |
| -1.0 | Round 25 | 🇮🇹 ITALY | 17 | 1NT | ♥10 | -1 | +2 |
| -1.1 | Round 21 | 🇹🇷 TURKEY | 13 | 4♥ | ♣3 | +1 | -13 |
| -1.2 | Round 22 | 🇮🇸 ICELAND | 6 | 3NT | ♣J | +1 | +1 |
| -1.2 | Round 27 | 🇨🇭 SWITZERLAND | 18 | 1NT | ♥4 | -1 | -5 |
| -1.4 | Round 21 | 🇹🇷 TURKEY | 1 | 4♠ | ♥K | -2 | +0 |
| -1.4 | Round 22 | 🇮🇸 ICELAND | 8 | 2♥ | ♥5 | -2 | +1 |
| -1.8 | Round 21 | 🇹🇷 TURKEY | 2 | 1♥ | ♦8 | +2 | +0 |
| -1.8 | Round 22 | 🇮🇸 ICELAND | 12 | 1NT | ♠10 | -1 | -4 |
| -1.9 | Round 24 | 🇧🇬 BULGARIA | 16 | 2♠ | ♦K | = | +0 |
| -1.9 | Round 27 | 🇨🇭 SWITZERLAND | 12 | 4♥ | ♣A | +1 | -1 |
| -2.0 | Round 22 | 🇮🇸 ICELAND | 18 | 3♠ | ♥6 | = | -1 |
| -2.1 | Round 21 | 🇹🇷 TURKEY | 7 | 1♥ | ♣A | -1 | +0 |
| -2.2 | Round 22 | 🇮🇸 ICELAND | 1 | 2♠ | ♥2 | = | -11 |
| -2.8 | Round 25 | 🇮🇹 ITALY | 16 | 3♥ | ♦J | -1 | -9 |
| -2.9 | Round 24 | 🇧🇬 BULGARIA | 9 | 2♣xx | ♠Q | +1 | +6 |
| -3.0 | Round 22 | 🇮🇸 ICELAND | 5 | 3NT | ♠Q | -1 | +6 |
| -3.2 | Round 21 | 🇹🇷 TURKEY | 20 | 3NT | ♠10 | -1 | -5 |
| -3.2 | Round 25 | 🇮🇹 ITALY | 12 | 3NT | ♠2 | = | -12 |
| -3.4 | Round 27 | 🇨🇭 SWITZERLAND | 6 | 3NT | ♥Q | +1 | -1 |
| -3.4 | Round 27 | 🇨🇭 SWITZERLAND | 8 | 2♠ | ♣K | +2 | -6 |
| -3.9 | Round 22 | 🇮🇸 ICELAND | 7 | 3♠ | ♦K | = | -1 |
| -4.2 | Round 25 | 🇮🇹 ITALY | 19 | 5♠ | ♥A | -1 | -9 |
| -4.4 | Round 24 | 🇧🇬 BULGARIA | 15 | 3NT | ♥J | -1 | -5 |
| -4.6 | Round 25 | 🇮🇹 ITALY | 2 | 5♠ | ♥7 | -1 | -6 |
| -4.8 | Round 21 | 🇹🇷 TURKEY | 17 | 3NT | ♠Q | -2 | -11 |
| -5.2 | Round 22 | 🇮🇸 ICELAND | 16 | 3♣ | ♠K | = | -11 |
| -5.5 | Round 27 | 🇨🇭 SWITZERLAND | 5 | 2♥ | ♦8 | -1 | -5 |
| -5.6 | Round 25 | 🇮🇹 ITALY | 8 | 3NT | ♥4 | +3 | -5 |
| -6.6 | Round 24 | 🇧🇬 BULGARIA | 17 | 2NT | ♥6 | = | -6 |
| -7.1 | Round 21 | 🇹🇷 TURKEY | 4 | 4♠ | ♦Q | = | -9 |
| -7.7 | Round 21 | 🇹🇷 TURKEY | 19 | 4♠ | ♦K | -1 | -6 |
| -7.9 | Round 24 | 🇧🇬 BULGARIA | 2 | 1NTx | ♠4 | -2 | -5 |
| -8.1 | Round 21 | 🇹🇷 TURKEY | 14 | 3NT | ♦3 | +1 | -1 |
| -8.2 | Round 24 | 🇧🇬 BULGARIA | 11 | 4♠ | ♦8 | = | -7 |
| -8.4 | Round 27 | 🇨🇭 SWITZERLAND | 2 | 6♣ | ♥8 | -1 | -16 |
| -8.8 | Round 24 | 🇧🇬 BULGARIA | 7 | 4♠ | ♥5 | = | -10 |
| -9.8 | Round 27 | 🇨🇭 SWITZERLAND | 13 | 4♠ | ♣6 | -1 | -12 |
| -10.8 | Round 25 | 🇮🇹 ITALY | 3 | 4♥ | ♣2 | -1 | -13 |
| -11.8 | Round 27 | 🇨🇭 SWITZERLAND | 4 | 4♥x | ♣2 | = | -11 |
| -12.1 | Round 24 | 🇧🇬 BULGARIA | 6 | 4♠x | ♣K | = | -9 |