JANSMA Jan · BERKSMA
39rank
+83.9Butler · 100 bds
+0.84per board
±4.6swing
+1.12vs par /bd · #36/527
+1.18adjusted /bd
by round
vs par split: bidding +1.43 · play -0.26
Strength of schedule: opponents averaged +0.34/bd (a tough draw) → opponent-adjusted +1.18/bd
Card play — on target: opening leads 91.7% #36 of 527 · declarer play 75.0% #262 of 527 · defence 86.4% #231 of 527
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 100.0% (16) |
| Declarer play | 80.0% (5) | 73.7% (19) |
| Defence | 92.9% (14) | 83.3% (30) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (4) · ♦ 88.9% (9) · ♣ 83.3% (6)
vs par by strain: NT -1.39 (26) · a suit +2.08 (73)
vs par by level: part-score +1.88 (34) · game -0.54 (54) · slam +7.36 (11)
By role: declaring +0.84/bd (-0.89 vs par · 56) · defending +0.84/bd (+3.68 vs par · 44)
By vulnerability: vulnerable +1.69/bd (+2.32 vs par · 50) · not vulnerable -0.01/bd (-0.08 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Jansma | A.Ozgunes – D.Uzum | Open | 10 | +13.4 | +1.34 | +0.30 |
| Round 2 | A.Jansma | A.Colombaro – J.Danic | Closed | 10 | +16.1 | +1.61 | +3.10 |
| Round 3 | A.Jansma | P.Saporta – R.Saporta-Tworzydlo | Closed | 10 | -7.1 | -0.71 | -0.70 |
| Round 4 | A.Jansma | D.Bilde – C.Madsen | Closed | 10 | -9.3 | -0.93 | +1.00 |
| Round 5 | A.Jansma | E.Ozturk – F.Cakici | Closed | 10 | +7.8 | +0.78 | -0.40 |
| Round 6 | A.Jansma | G.Cappeller – J.Cappeller | Open | 10 | +42.8 | +4.28 | +4.40 |
| Round 7 | A.Jansma | M.Pattacini – I.Marceddu | Closed | 10 | +13.5 | +1.35 | +2.10 |
| Round 8 | A.Jansma | P.Franceschetti – A.Huberschwiller | Open | 10 | +1.3 | +0.13 | +2.40 |
| Round 9 | A.Jansma | R.Van Prooijen – I.Gronkvist | Closed | 10 | -6.9 | -0.69 | +0.20 |
| Round 10 | A.Jansma | E.Schippers-Bosklopper – R.Stienen | Open | 10 | +12.3 | +1.23 | -1.20 |
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 |
|---|---|---|---|---|---|---|---|
| +13.9 | Round 10 | EMMER | 4 | 3♦x | ♠A | = | +19 |
| +12.3 | Round 7 | PERSIANI | 7 | 6♦ | ♥K | = | +13 |
| +12.2 | Round 6 | EAV | 23 | 4♥ | ♠5 | = | +13 |
| +12.1 | Round 4 | FERM | 7 | 6♣ | ♦9 | -2 | +17 |
| +10.6 | Round 3 | MIPIREDA | 23 | 6♠ | ♣K | = | +8 |
| +10.3 | Round 1 | KIBE | 6 | 6♣ | ♠3 | -2 | +17 |
| +9.5 | Round 2 | ACDC | 17 | 6♥ | ♠7 | -1 | +11 |
| +9.1 | Round 6 | EAV | 26 | 4♠ | ♥2 | = | +0 |
| +8.0 | Round 7 | PERSIANI | 5 | 5♣x | ♥A | -5 | +10 |
| +7.4 | Round 6 | EAV | 21 | 6♠ | ♦A | -1 | +14 |
| +6.4 | Round 2 | ACDC | 18 | 4♥ | ♣3 | -1 | -2 |
| +5.9 | Round 9 | WILSON | 28 | 3♠ | ♣Q | = | +7 |
| +5.7 | Round 6 | EAV | 22 | 5♦ | ♥K | -1 | +12 |
| +5.6 | Round 2 | ACDC | 12 | 4♠ | ♦5 | +2 | +14 |
| +5.4 | Round 6 | EAV | 25 | 4♥ | ♣8 | -1 | +5 |
| +5.2 | Round 8 | PUILLET | 16 | 4♠ | ♥K | -1 | +6 |
| +5.0 | Round 5 | APACHE | 13 | 3♥ | ♦10 | = | +7 |
| +4.3 | Round 9 | WILSON | 29 | 3NTx | ♠10 | -1 | +8 |
| +3.9 | Round 1 | KIBE | 2 | 3NT | ♠A | -2 | +11 |
| +3.5 | Round 5 | APACHE | 17 | 3♦ | ♠A | = | +8 |
| +3.2 | Round 2 | ACDC | 15 | 4♠x | ♣A | -2 | +5 |
| +3.1 | Round 8 | PUILLET | 15 | 2♥x | ♦K | -1 | +5 |
| +3.0 | Round 6 | EAV | 28 | 3NT | ♣3 | = | +0 |
| +2.8 | Round 5 | APACHE | 14 | 3♣ | ♠K | = | +5 |
| +2.8 | Round 7 | PERSIANI | 6 | 2♠ | ♥Q | +1 | +6 |
| +2.6 | Round 6 | EAV | 24 | 3NT | ♣7 | +1 | +0 |
| +2.6 | Round 9 | WILSON | 25 | 2♥ | ♥5 | = | +5 |
| +2.5 | Round 9 | WILSON | 30 | 4♥ | ♦3 | +1 | +0 |
| +2.3 | Round 8 | PUILLET | 11 | 2♥ | ♦2 | = | +0 |
| +2.2 | Round 5 | APACHE | 15 | 4♥ | ♦4 | = | -1 |
| +2.1 | Round 2 | ACDC | 20 | 1NT | ♥9 | -2 | +2 |
| +2.1 | Round 10 | EMMER | 3 | 2♥ | ♦3 | +3 | -2 |
| +1.8 | Round 3 | MIPIREDA | 27 | 3NT | ♠10 | -1 | +5 |
| +1.8 | Round 10 | EMMER | 6 | 2♠ | ♣9 | = | +0 |
| +1.7 | Round 1 | KIBE | 9 | 3NT | ♦3 | = | -1 |
| +1.7 | Round 4 | FERM | 10 | 4♥x | ♠5 | -2 | -4 |
| +1.7 | Round 7 | PERSIANI | 4 | 2♥ | ♣J | +1 | +7 |
| +1.5 | Round 5 | APACHE | 19 | 3NT | ♣5 | +3 | -11 |
| +1.4 | Round 2 | ACDC | 11 | 4♥ | ♠A | = | +3 |
| +1.2 | Round 1 | KIBE | 4 | 2♦ | ♣A | = | +11 |
| +1.1 | Round 1 | KIBE | 8 | 3♣ | ♠4 | +2 | +0 |
| +1.1 | Round 4 | FERM | 8 | 4♥ | ♣J | = | +0 |
| +1.1 | Round 8 | PUILLET | 18 | 4♠ | ♦2 | +1 | +11 |
| +1.1 | Round 8 | PUILLET | 20 | 5♠ | ♣A | = | +0 |
| +1.1 | Round 10 | EMMER | 8 | 6♥ | ♠5 | +1 | -11 |
| +1.0 | Round 5 | APACHE | 20 | 4♠ | ♦A | +1 | +1 |
| +1.0 | Round 6 | EAV | 30 | 3NT | ♠10 | +1 | +0 |
| +0.9 | Round 9 | WILSON | 22 | 4♠ | ♣K | = | +0 |
| +0.7 | Round 1 | KIBE | 5 | 3♣ | ♦7 | = | +0 |
| +0.3 | Round 5 | APACHE | 16 | 1NT | ♠Q | +3 | +2 |
| +0.2 | Round 2 | ACDC | 14 | 4♠ | ♣7 | +1 | +0 |
| +0.1 | Round 1 | KIBE | 3 | 4♥ | ♣Q | +3 | -10 |
| +0.1 | Round 10 | EMMER | 1 | 3NT | ♥3 | +2 | -10 |
| -0.1 | Round 4 | FERM | 2 | 3♦ | ♣10 | +1 | +0 |
| -0.1 | Round 8 | PUILLET | 12 | 3NT | ♦3 | +1 | +0 |
| -0.2 | Round 7 | PERSIANI | 10 | 3♠ | ♥6 | = | +0 |
| -0.2 | Round 10 | EMMER | 10 | 4♠ | ♥6 | +1 | +0 |
| -0.3 | Round 4 | FERM | 4 | 2♠ | ♠4 | -2 | -2 |
| -0.3 | Round 5 | APACHE | 11 | 3NT | ♦9 | +2 | +0 |
| -0.3 | Round 6 | EAV | 27 | 3♣ | ♣J | +1 | +0 |
| -0.3 | Round 7 | PERSIANI | 9 | Pass | -4 | ||
| -0.3 | Round 8 | PUILLET | 14 | 3♥ | ♣5 | -2 | +1 |
| -0.4 | Round 3 | MIPIREDA | 30 | 4♥ | ♣K | -1 | -4 |
| -0.5 | Round 3 | MIPIREDA | 28 | 3♣ | ♥K | = | -1 |
| -0.6 | Round 1 | KIBE | 10 | 4♠ | ♥A | +1 | -13 |
| -0.6 | Round 10 | EMMER | 5 | 1NT | ♠5 | -1 | +0 |
| -0.8 | Round 9 | WILSON | 26 | 2♦ | ♦3 | +1 | +0 |
| -0.9 | Round 8 | PUILLET | 13 | 6♣ | ♠K | -1 | +12 |
| -1.1 | Round 5 | APACHE | 12 | 4♠ | ♣6 | -2 | -8 |
| -1.2 | Round 1 | KIBE | 1 | 3NT | ♠J | +2 | +0 |
| -1.2 | Round 3 | MIPIREDA | 26 | 1NT | ♠2 | +2 | -1 |
| -1.2 | Round 9 | WILSON | 23 | 3NT | ♣2 | +2 | +0 |
| -1.3 | Round 7 | PERSIANI | 2 | 3NT | ♠J | -2 | -7 |
| -1.4 | Round 3 | MIPIREDA | 29 | 2♥ | ♥3 | -1 | +1 |
| -1.4 | Round 10 | EMMER | 7 | 2♠ | ♠A | -2 | -2 |
| -1.5 | Round 3 | MIPIREDA | 24 | 3♠ | ♦9 | -1 | +2 |
| -1.6 | Round 7 | PERSIANI | 3 | 5♦ | ♣2 | -1 | -5 |
| -1.7 | Round 10 | EMMER | 9 | 2♥ | ♣6 | = | +0 |
| -2.8 | Round 10 | EMMER | 2 | 1NT | ♥4 | = | -6 |
| -2.9 | Round 4 | FERM | 1 | 6♠ | ♥A | = | +0 |
| -3.2 | Round 4 | FERM | 3 | 4♣ | ♦A | = | +9 |
| -3.2 | Round 9 | WILSON | 24 | 4♥ | ♦5 | -2 | -6 |
| -3.3 | Round 6 | EAV | 29 | 3NT | ♥Q | +1 | +0 |
| -3.4 | Round 2 | ACDC | 13 | 6♠ | ♣10 | = | +0 |
| -3.4 | Round 3 | MIPIREDA | 21 | 5♦x | ♠K | -1 | -2 |
| -3.5 | Round 2 | ACDC | 19 | 3NT | ♦8 | = | +0 |
| -3.6 | Round 7 | PERSIANI | 1 | 4♠ | ♦A | -2 | +0 |
| -3.8 | Round 1 | KIBE | 7 | 4♥ | ♦2 | -1 | -12 |
| -4.3 | Round 7 | PERSIANI | 8 | 3NT | ♦Q | = | +1 |
| -4.4 | Round 8 | PUILLET | 19 | 4♠ | ♥A | +1 | -4 |
| -5.4 | Round 2 | ACDC | 16 | 3NT | ♥A | -3 | -2 |
| -5.4 | Round 4 | FERM | 6 | 3NT | ♦3 | -1 | -10 |
| -5.5 | Round 3 | MIPIREDA | 25 | 3NT | ♥4 | -1 | -10 |
| -5.6 | Round 3 | MIPIREDA | 22 | 4♥ | ♣8 | +2 | -5 |
| -5.6 | Round 9 | WILSON | 27 | 7♠ | ♦10 | = | +0 |
| -5.8 | Round 8 | PUILLET | 17 | 3♠ | ♥3 | +1 | -7 |
| -6.0 | Round 4 | FERM | 9 | 4♠ | ♣2 | = | +0 |
| -6.3 | Round 4 | FERM | 5 | 4♥ | ♣K | = | +0 |
| -7.1 | Round 5 | APACHE | 18 | 3NT | ♣J | +1 | -7 |
| -12.3 | Round 9 | WILSON | 21 | 3♦x | ♦Q | -3 | -12 |