🇮🇸 BALDURSSON Jon · Iceland
21rank
+55.5Butler · 140 bds
+0.40per board
±4.8swing
+0.50vs par /bd
+0.24adjusted /bd
by round
vs par split: bidding +0.12 · play +0.36
Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.24/bd
Card play — on target: opening leads 82.1% · declarer play 90.9% · defence 93.5%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 82.6% (23) |
| Declarer play | 100.0% (6) | 88.9% (27) |
| Defence | 100.0% (14) | 91.7% (48) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 83.3% (12) · ♦ 71.4% (7) · ♣ 50.0% (2)
vs par by strain: NT +1.29 (28) · a suit +0.26 (103)
vs par by level: part-score -0.04 (48) · game +1.24 (70) · slam -1.69 (13)
By role: declaring +0.62/bd (-1.25 vs par · 73) · defending +0.15/bd (+2.40 vs par · 67)
By vulnerability: vulnerable -0.02/bd (+0.24 vs par · 70) · not vulnerable +0.82/bd (+0.76 vs par · 70)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 18 | T.Jonsson | A.Versace – L.Lauria | Closed | 20 | -41.6 | -2.08 | -0.15 |
| Round 20 | T.Jonsson | M.Gromoeller – M.Rehder | Open | 20 | +20.7 | +1.03 | +2.15 |
| Round 21 | T.Jonsson | I.Herbst – O.Herbst | Open | 20 | +9.7 | +0.48 | -1.05 |
| Round 23 | T.Jonsson | V.Marashev – I.Tsonchev | Open | 20 | +40.5 | +2.02 | +2.55 |
| Round 24 | T.Jonsson | B.Brogeland – F.Nybo | Open | 20 | +2.5 | +0.12 | +0.75 |
| Round 25 | T.Jonsson | S.Kolata – I.Kandemir | Open | 20 | +12.7 | +0.64 | +1.30 |
| Round 26 | T.Jonsson | J.Upmark – F.Nystrom | Open | 20 | +11.0 | +0.55 | -2.05 |
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 |
|---|---|---|---|---|---|---|---|
| +15.0 | Round 24 | 🇳🇴 Norway | 1 | 4♠x | ♦J | -6 | +17 |
| +11.8 | Round 25 | 🇹🇷 Turkey | 4 | 4NT | ♥2 | -2 | +13 |
| +10.9 | Round 23 | 🇧🇬 Bulgaria | 6 | 3NT | ♥10 | -2 | +12 |
| +10.5 | Round 20 | 🇩🇪 Germany | 7 | 4♠ | ♠3 | +3 | +17 |
| +10.2 | Round 21 | 🇮🇱 Israel | 2 | 6♣ | ♦A | = | +7 |
| +10.0 | Round 23 | 🇧🇬 Bulgaria | 15 | 5♦ | ♠A | -1 | +10 |
| +9.1 | Round 20 | 🇩🇪 Germany | 20 | 4♥ | ♠8 | +1 | +10 |
| +7.7 | Round 26 | 🇸🇪 Sweden | 1 | 4♥ | ♦K | -1 | +10 |
| +7.6 | Round 20 | 🇩🇪 Germany | 18 | 4♥ | ♦K | -3 | +10 |
| +7.5 | Round 20 | 🇩🇪 Germany | 2 | 6♥ | ♦A | = | +0 |
| +7.1 | Round 26 | 🇸🇪 Sweden | 13 | 1Nx | ♦Q | = | +7 |
| +6.8 | Round 26 | 🇸🇪 Sweden | 7 | 2♠ | ♦A | = | +6 |
| +6.6 | Round 23 | 🇧🇬 Bulgaria | 11 | 3♦ | ♥7 | = | +9 |
| +6.5 | Round 25 | 🇹🇷 Turkey | 1 | 4♥ | ♣3 | -1 | +9 |
| +6.2 | Round 20 | 🇩🇪 Germany | 6 | 6♣ | ♦J | -1 | +11 |
| +6.1 | Round 18 | 🇮🇹 Italy | 2 | 3♣ | ♠2 | -2 | +6 |
| +5.8 | Round 23 | 🇧🇬 Bulgaria | 1 | 4♠ | ♥K | -2 | +11 |
| +5.6 | Round 21 | 🇮🇱 Israel | 12 | 3NT | ♠3 | = | +0 |
| +5.6 | Round 25 | 🇹🇷 Turkey | 20 | 4♥ | ♣6 | -2 | +7 |
| +5.2 | Round 23 | 🇧🇬 Bulgaria | 8 | 3♣ | ♦7 | +1 | -7 |
| +5.2 | Round 25 | 🇹🇷 Turkey | 7 | 3NT | ♣10 | -2 | +8 |
| +4.8 | Round 18 | 🇮🇹 Italy | 14 | 4♥ | ♠A | -1 | +10 |
| +4.7 | Round 26 | 🇸🇪 Sweden | 20 | 4♥ | ♣3 | +2 | -13 |
| +4.4 | Round 21 | 🇮🇱 Israel | 17 | 4♥ | ♥10 | -1 | +4 |
| +4.4 | Round 25 | 🇹🇷 Turkey | 16 | 4♥ | ♣10 | +1 | +1 |
| +4.3 | Round 23 | 🇧🇬 Bulgaria | 18 | 3♥ | ♠3 | -1 | +5 |
| +4.2 | Round 23 | 🇧🇬 Bulgaria | 10 | 3♦ | ♣7 | -1 | +6 |
| +4.1 | Round 21 | 🇮🇱 Israel | 19 | 5♦ | ♠K | -1 | +6 |
| +4.1 | Round 24 | 🇳🇴 Norway | 12 | 1NT | ♥6 | = | +5 |
| +3.8 | Round 24 | 🇳🇴 Norway | 7 | 5♦x | ♠A | -1 | +9 |
| +3.6 | Round 21 | 🇮🇱 Israel | 11 | 3NT | ♦7 | +1 | +0 |
| +3.6 | Round 25 | 🇹🇷 Turkey | 13 | 3♠ | ♥K | -2 | +10 |
| +3.5 | Round 24 | 🇳🇴 Norway | 13 | 4♥ | ♠K | = | +0 |
| +3.4 | Round 18 | 🇮🇹 Italy | 1 | 1♦ | ♦A | -2 | +8 |
| +3.4 | Round 20 | 🇩🇪 Germany | 4 | 3NT | ♥3 | +3 | +2 |
| +3.2 | Round 23 | 🇧🇬 Bulgaria | 17 | 3♣ | ♠5 | = | +5 |
| +3.2 | Round 26 | 🇸🇪 Sweden | 4 | 4N | ♠6 | +1 | +1 |
| +3.1 | Round 23 | 🇧🇬 Bulgaria | 2 | 6♣ | ♦J | = | +0 |
| +2.9 | Round 23 | 🇧🇬 Bulgaria | 16 | 2♠ | ♦4 | -1 | +6 |
| +2.8 | Round 20 | 🇩🇪 Germany | 16 | 2♠ | ♠J | +2 | +6 |
| +2.6 | Round 25 | 🇹🇷 Turkey | 5 | 6♥ | ♣8 | = | +8 |
| +2.6 | Round 26 | 🇸🇪 Sweden | 5 | 4♠ | ♦3 | +1 | +0 |
| +2.2 | Round 24 | 🇳🇴 Norway | 6 | 3NT | ♠K | +1 | +0 |
| +2.2 | Round 25 | 🇹🇷 Turkey | 3 | 3NT | ♥J | +3 | +3 |
| +2.1 | Round 18 | 🇮🇹 Italy | 9 | 4♠ | ♣4 | -2 | +7 |
| +2.1 | Round 24 | 🇳🇴 Norway | 2 | 3NT | ♠Q | +1 | +1 |
| +1.9 | Round 18 | 🇮🇹 Italy | 16 | 4♥ | ♥7 | +1 | +0 |
| +1.9 | Round 21 | 🇮🇱 Israel | 3 | 1NT | ♦A | = | +6 |
| +1.8 | Round 26 | 🇸🇪 Sweden | 6 | 4♠ | ♠A | +1 | +0 |
| +1.7 | Round 18 | 🇮🇹 Italy | 13 | 2♥ | ♥T | +1 | +0 |
| +1.6 | Round 21 | 🇮🇱 Israel | 20 | 2♠ | ♦4 | = | -1 |
| +1.6 | Round 23 | 🇧🇬 Bulgaria | 7 | 2♠ | ♦K | +2 | +10 |
| +1.6 | Round 24 | 🇳🇴 Norway | 16 | 2♠ | ♣8 | = | +0 |
| +1.6 | Round 24 | 🇳🇴 Norway | 19 | 3NT | ♥Q | = | +1 |
| +1.5 | Round 20 | 🇩🇪 Germany | 15 | 3NT | ♥10 | +3 | +13 |
| +1.5 | Round 20 | 🇩🇪 Germany | 19 | Pass | -4 | ||
| +1.5 | Round 21 | 🇮🇱 Israel | 6 | 3NT | ♥4 | = | +0 |
| +1.5 | Round 23 | 🇧🇬 Bulgaria | 12 | 4♠ | ♥Q | +1 | +11 |
| +1.4 | Round 24 | 🇳🇴 Norway | 5 | 3♦ | ♥Q | = | -7 |
| +1.3 | Round 26 | 🇸🇪 Sweden | 18 | 4♠ | ♣K | +1 | +0 |
| +1.2 | Round 25 | 🇹🇷 Turkey | 17 | 3♥ | ♣A | = | +0 |
| +1.1 | Round 24 | 🇳🇴 Norway | 18 | 3NT | ♠10 | +1 | +1 |
| +0.9 | Round 25 | 🇹🇷 Turkey | 2 | 4♥ | ♠2 | +1 | +1 |
| +0.9 | Round 26 | 🇸🇪 Sweden | 8 | 2♥ | ♦5 | = | +0 |
| +0.8 | Round 18 | 🇮🇹 Italy | 17 | 6♥ | ♣9 | = | -11 |
| +0.8 | Round 21 | 🇮🇱 Israel | 4 | 3♣ | ♦9 | -1 | -5 |
| +0.8 | Round 21 | 🇮🇱 Israel | 7 | 5♦ | ♠4 | +1 | -10 |
| +0.8 | Round 26 | 🇸🇪 Sweden | 10 | 1♠ | ♠5 | +1 | +0 |
| +0.7 | Round 23 | 🇧🇬 Bulgaria | 19 | 4♠ | ♥6 | +1 | +0 |
| +0.6 | Round 21 | 🇮🇱 Israel | 5 | 1♠ | ♥A | +1 | +0 |
| +0.5 | Round 24 | 🇳🇴 Norway | 14 | 4♠ | ♥10 | +1 | +0 |
| +0.4 | Round 20 | 🇩🇪 Germany | 8 | 3NT | ♠2 | = | +0 |
| +0.4 | Round 23 | 🇧🇬 Bulgaria | 13 | 2♠ | ♣K | +1 | +0 |
| +0.4 | Round 24 | 🇳🇴 Norway | 15 | 4♠ | ♦2 | = | +0 |
| +0.4 | Round 26 | 🇸🇪 Sweden | 2 | 1N | ♠5 | +1 | +0 |
| +0.3 | Round 21 | 🇮🇱 Israel | 14 | 2♠ | ♣A | +1 | +0 |
| +0.2 | Round 25 | 🇹🇷 Turkey | 9 | 4♥ | ♦A | = | +0 |
| +0.1 | Round 18 | 🇮🇹 Italy | 11 | 3N | ♦5 | -1 | +2 |
| +0.1 | Round 20 | 🇩🇪 Germany | 13 | 3♥ | ♣K | = | +0 |
| -0.2 | Round 25 | 🇹🇷 Turkey | 14 | 3♥ | ♣A | = | -7 |
| -0.3 | Round 26 | 🇸🇪 Sweden | 9 | 2♠ | ♥3 | +2 | -10 |
| -0.4 | Round 18 | 🇮🇹 Italy | 19 | 2♦ | ♦6 | -1 | +2 |
| -0.5 | Round 18 | 🇮🇹 Italy | 15 | 2N | ♥7 | +1 | +6 |
| -0.5 | Round 23 | 🇧🇬 Bulgaria | 14 | 3♠ | ♣7 | +2 | -6 |
| -0.8 | Round 21 | 🇮🇱 Israel | 8 | 4♠ | ♦K | +1 | +0 |
| -0.9 | Round 25 | 🇹🇷 Turkey | 6 | 1NT | ♠6 | -1 | +2 |
| -0.9 | Round 26 | 🇸🇪 Sweden | 11 | 3♠ | ♥A | = | -7 |
| -1.0 | Round 24 | 🇳🇴 Norway | 17 | 3NT | ♠9 | +2 | +0 |
| -1.1 | Round 20 | 🇩🇪 Germany | 10 | 3NT | ♠4 | +2 | +0 |
| -1.1 | Round 24 | 🇳🇴 Norway | 11 | 4♥ | ♠A | +1 | +0 |
| -1.2 | Round 18 | 🇮🇹 Italy | 10 | 2♦ | ♦Q | +3 | +10 |
| -1.3 | Round 21 | 🇮🇱 Israel | 15 | 3NT | ♠Q | -1 | -6 |
| -1.3 | Round 24 | 🇳🇴 Norway | 8 | 4♥ | ♠Q | = | +0 |
| -1.4 | Round 26 | 🇸🇪 Sweden | 14 | 2♠ | ♥A | +1 | +0 |
| -1.5 | Round 26 | 🇸🇪 Sweden | 15 | 6♦ | ♦A | -2 | -6 |
| -1.6 | Round 20 | 🇩🇪 Germany | 11 | 5♣x | ♠K | -1 | +0 |
| -1.6 | Round 26 | 🇸🇪 Sweden | 12 | 6♥xx | ♠7 | -1 | -14 |
| -1.7 | Round 20 | 🇩🇪 Germany | 14 | 6♦x | ♥K | -2 | +0 |
| -1.8 | Round 23 | 🇧🇬 Bulgaria | 20 | 3♣ | ♦A | +1 | -6 |
| -1.8 | Round 25 | 🇹🇷 Turkey | 19 | 3♣ | ♦Q | = | +0 |
| -1.9 | Round 23 | 🇧🇬 Bulgaria | 3 | 2♣ | ♦9 | = | +1 |
| -1.9 | Round 23 | 🇧🇬 Bulgaria | 9 | 4♥ | ♦4 | = | -3 |
| -1.9 | Round 25 | 🇹🇷 Turkey | 11 | 4♥ | ♦K | = | -3 |
| -2.1 | Round 21 | 🇮🇱 Israel | 1 | 4♠ | ♦4 | = | +1 |
| -2.1 | Round 25 | 🇹🇷 Turkey | 8 | 4♥ | ♥10 | +1 | +0 |
| -2.4 | Round 21 | 🇮🇱 Israel | 10 | 4♠ | ♥6 | -1 | -7 |
| -2.4 | Round 25 | 🇹🇷 Turkey | 10 | 3♦x | ♣A | -1 | -9 |
| -2.5 | Round 20 | 🇩🇪 Germany | 1 | 6♣ | ♦K | = | +0 |
| -2.7 | Round 24 | 🇳🇴 Norway | 3 | 2♥ | ♣A | = | +0 |
| -2.8 | Round 20 | 🇩🇪 Germany | 12 | 3NT | ♠K | = | -10 |
| -3.1 | Round 18 | 🇮🇹 Italy | 8 | 2♥ | ♥3 | = | +0 |
| -3.1 | Round 21 | 🇮🇱 Israel | 18 | 2♠ | ♦Q | = | -5 |
| -3.2 | Round 18 | 🇮🇹 Italy | 4 | 2♥ | ♦A | -1 | +0 |
| -3.2 | Round 20 | 🇩🇪 Germany | 3 | 3NT | ♥2 | -1 | -6 |
| -3.3 | Round 21 | 🇮🇱 Israel | 13 | 5♥x | ♠A | -1 | +0 |
| -3.8 | Round 20 | 🇩🇪 Germany | 5 | 4♥ | ♦A | -1 | +2 |
| -4.2 | Round 26 | 🇸🇪 Sweden | 19 | 4♥ | ♣K | +1 | +0 |
| -4.4 | Round 26 | 🇸🇪 Sweden | 17 | 2♠ | ♦3 | = | -6 |
| -4.8 | Round 18 | 🇮🇹 Italy | 6 | 3N | ♠2 | -1 | -5 |
| -5.1 | Round 20 | 🇩🇪 Germany | 9 | 5♣ | ♠2 | = | +0 |
| -5.1 | Round 23 | 🇧🇬 Bulgaria | 5 | 3NT | ♣2 | +2 | +0 |
| -5.1 | Round 24 | 🇳🇴 Norway | 20 | 1NT | ♥2 | -5 | +3 |
| -5.2 | Round 26 | 🇸🇪 Sweden | 16 | 6♣ | ♥3 | +1 | +1 |
| -5.3 | Round 21 | 🇮🇱 Israel | 16 | 2NT | ♥K | = | -1 |
| -6.1 | Round 18 | 🇮🇹 Italy | 5 | 3♥ | ♠9 | +1 | -8 |
| -6.2 | Round 25 | 🇹🇷 Turkey | 12 | 4NT | ♣4 | -2 | -13 |
| -6.2 | Round 25 | 🇹🇷 Turkey | 18 | 5♠x | ♦Q | = | -5 |
| -6.8 | Round 26 | 🇸🇪 Sweden | 3 | 3♥ | ♦A | = | -10 |
| -7.1 | Round 18 | 🇮🇹 Italy | 12 | 6♥ | ♥3 | +1 | -5 |
| -7.2 | Round 24 | 🇳🇴 Norway | 9 | 3NT | ♣9 | -1 | +1 |
| -7.3 | Round 18 | 🇮🇹 Italy | 3 | 3N | ♥5 | = | +0 |
| -7.4 | Round 21 | 🇮🇱 Israel | 9 | 4♠ | ♥Q | +3 | -10 |
| -7.8 | Round 18 | 🇮🇹 Italy | 20 | 3♥ | ♦K | = | -13 |
| -8.1 | Round 20 | 🇩🇪 Germany | 17 | 5♥ | ♦J | -1 | -8 |
| -8.2 | Round 24 | 🇳🇴 Norway | 4 | 4♥ | ♠8 | = | -3 |
| -8.2 | Round 24 | 🇳🇴 Norway | 10 | 4♥ | ♠K | -2 | -13 |
| -8.7 | Round 23 | 🇧🇬 Bulgaria | 4 | 6♥ | ♦K | -1 | -13 |
| -9.8 | Round 25 | 🇹🇷 Turkey | 15 | 3NT | ♥Q | = | +1 |
| -9.9 | Round 18 | 🇮🇹 Italy | 7 | 3N | ♥T | = | +0 |
| -11.1 | Round 18 | 🇮🇹 Italy | 18 | 4♠ | ♠9 | -1 | -12 |