KOLEN Jan · DUTCH SENIORS
43rank
-11.8Butler · 112 bds
-0.11per board
±6.2swing
-0.49vs par /bd · #30/35
+0.15adjusted /bd
by round
vs par split: bidding -0.84 · play +0.52
Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.15/bd
Card play — on target: opening leads 50.0% #31 of 33 · declarer play 82.9% #16 of 33 · defence 24.5% #22 of 33
Bidding activity — not a pass: 49.7% #2 of 35 (150/302)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 42.9% (7) | 53.3% (15) |
| Declarer play | 80.0% (15) | 84.6% (26) |
| Defence | 33.3% (12) | 21.6% (37) |
Opening leads by suit led: ♠ 16.7% (6) · ♥ 50.0% (4) · ♦ 60.0% (5) · ♣ 71.4% (7)
vs par by strain: NT +1.42 (33) · a suit -1.29 (79)
vs par by level: part-score +1.95 (39) · game -1.78 (65) · slam -1.88 (8)
By role: declaring +1.67/bd (+2.10 vs par · 62) · defending -2.31/bd (-3.70 vs par · 50)
By vulnerability: vulnerable -0.24/bd (-0.98 vs par · 56) · not vulnerable +0.03/bd (+0.00 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Verhees | S.Johnsen – A.Stokkeland | Closed | 14 | +3.3 | +0.24 | +1.93 |
| Quarterfinal | J.Verhees | S.Johnsen – A.Stokkeland | Closed | 14 | +26.0 | +1.86 | +1.00 |
| Quarterfinal | J.Verhees | S.Johnsen – A.Stokkeland | Closed | 14 | -30.0 | -2.14 | -3.93 |
| Quarterfinal | J.Verhees | S.Johnsen – A.Stokkeland | Closed | 14 | -30.6 | -2.19 | -2.21 |
| Semifinal | J.Verhees | D.Schaltz – P.Schaltz | Closed | 14 | -46.0 | -3.29 | -3.71 |
| Semifinal | J.Verhees | D.Schaltz – P.Schaltz | Closed | 14 | +38.8 | +2.77 | +3.14 |
| Semifinal | J.Verhees | D.Schaltz – P.Schaltz | Closed | 14 | -6.1 | -0.44 | -3.43 |
| Semifinal | J.Verhees | D.Schaltz – P.Schaltz | Closed | 14 | +32.8 | +2.34 | +3.29 |
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 |
|---|---|---|---|---|---|---|---|
| +13.7 | Semifinal | DENMARK | 55 | 6♦ | ♣A | = | +18 |
| +11.7 | Quarterfinal | NORWEGIANS | 54 | 3♦x | ♠9 | -3 | +16 |
| +11.7 | Semifinal | DENMARK | 19 | 5♦ | ♥A | = | +14 |
| +11.4 | Semifinal | DENMARK | 50 | 4♠ | ♥A | = | +13 |
| +11.3 | Semifinal | DENMARK | 53 | 3NT | ♥3 | = | +11 |
| +11.1 | Semifinal | DENMARK | 41 | 3NT | ♣6 | = | +12 |
| +9.0 | Quarterfinal | NORWEGIANS | 2 | 6NT | ♣Q | = | +14 |
| +8.3 | Quarterfinal | NORWEGIANS | 19 | 4♠x | ♣K | = | -12 |
| +7.9 | Semifinal | DENMARK | 27 | 3♣ | ♠9 | -1 | +10 |
| +7.6 | Semifinal | DENMARK | 25 | 4♠ | ♣T | +1 | +11 |
| +7.6 | Semifinal | DENMARK | 28 | 4♠ | ♣T | +1 | +14 |
| +7.4 | Quarterfinal | NORWEGIANS | 43 | 1♦ | ♣J | +4 | +13 |
| +7.3 | Semifinal | DENMARK | 23 | 3♦ | ♥K | +2 | +8 |
| +7.1 | Quarterfinal | NORWEGIANS | 22 | 3NT | ♦3 | +2 | +14 |
| +6.8 | Quarterfinal | NORWEGIANS | 10 | 4♠ | ♦7 | +2 | +13 |
| +6.7 | Quarterfinal | NORWEGIANS | 38 | 4♠ | ♥5 | +2 | +13 |
| +6.7 | Semifinal | DENMARK | 47 | 3NT | ♠5 | +1 | +13 |
| +6.6 | Semifinal | DENMARK | 11 | 4♠ | ♣A | -1 | +10 |
| +6.6 | Semifinal | DENMARK | 52 | 4♠ | ♦5 | = | +13 |
| +6.4 | Semifinal | DENMARK | 33 | 3NT | ♠K | +1 | +11 |
| +6.3 | Quarterfinal | NORWEGIANS | 8 | 3NT | ♠4 | -2 | +11 |
| +6.1 | Quarterfinal | NORWEGIANS | 23 | 2♥ | ♠9 | = | +6 |
| +6.1 | Semifinal | DENMARK | 8 | 2♥x | ♠3 | -1 | +5 |
| +6.0 | Quarterfinal | NORWEGIANS | 36 | 3NT | ♥3 | +1 | +13 |
| +5.9 | Quarterfinal | NORWEGIANS | 46 | 3NT | ♥2 | +3 | +9 |
| +5.7 | Quarterfinal | NORWEGIANS | 40 | 3♦ | ♥A | +1 | +13 |
| +5.1 | Quarterfinal | NORWEGIANS | 31 | 4♥ | ♣J | -1 | +11 |
| +5.0 | Semifinal | DENMARK | 20 | 2♦ | ♠4 | +1 | +12 |
| +5.0 | Semifinal | DENMARK | 44 | 2♠ | ♣T | +1 | +7 |
| +4.9 | Semifinal | DENMARK | 17 | 4♠ | ♣K | = | +7 |
| +4.8 | Quarterfinal | NORWEGIANS | 14 | 3NT | ♦2 | +2 | +8 |
| +4.1 | Quarterfinal | NORWEGIANS | 6 | 2♠ | ♦5 | -1 | +13 |
| +3.7 | Quarterfinal | NORWEGIANS | 52 | 3NT | ♣5 | -3 | +6 |
| +3.6 | Semifinal | DENMARK | 42 | 2♥ | ♠3 | +1 | +1 |
| +3.6 | Semifinal | DENMARK | 51 | 1NT | ♣3 | -2 | +8 |
| +3.3 | Quarterfinal | NORWEGIANS | 21 | 2♠ | ♣3 | = | +0 |
| +3.1 | Quarterfinal | NORWEGIANS | 4 | 4♥ | ♣6 | -1 | +12 |
| +3.1 | Quarterfinal | NORWEGIANS | 45 | 4♣ | ♣4 | -1 | +11 |
| +3.0 | Semifinal | DENMARK | 9 | 4♥ | ♣3 | -1 | -6 |
| +3.0 | Semifinal | DENMARK | 35 | 1NT | ♣5 | +2 | +7 |
| +2.7 | Quarterfinal | NORWEGIANS | 39 | 3♠ | ♦K | -1 | +4 |
| +2.3 | Quarterfinal | NORWEGIANS | 16 | 3NT | ♥6 | -2 | -11 |
| +2.1 | Quarterfinal | NORWEGIANS | 20 | 3♦ | ♥4 | = | +11 |
| +2.0 | Semifinal | DENMARK | 7 | 1NT | ♣5 | = | +11 |
| +2.0 | Semifinal | DENMARK | 30 | 4♠ | ♣A | = | -11 |
| +1.5 | Quarterfinal | NORWEGIANS | 12 | 2NT | ♠Q | +2 | +7 |
| +1.1 | Quarterfinal | NORWEGIANS | 24 | 4♥ | ♦4 | -1 | +9 |
| +1.1 | Quarterfinal | NORWEGIANS | 25 | 3NT | ♠2 | +2 | +0 |
| +1.0 | Quarterfinal | NORWEGIANS | 15 | 3NT | ♣3 | -2 | +5 |
| +1.0 | Semifinal | DENMARK | 26 | 3♥ | ♦A | = | +0 |
| +0.9 | Quarterfinal | NORWEGIANS | 27 | 2♥ | ♠6 | = | +12 |
| +0.7 | Semifinal | DENMARK | 48 | 2♣ | ♣6 | +1 | +6 |
| +0.6 | Quarterfinal | NORWEGIANS | 17 | 3NT | ♥8 | +1 | +0 |
| +0.6 | Semifinal | DENMARK | 1 | 4♠ | ♦A | +1 | +4 |
| +0.3 | Semifinal | DENMARK | 40 | 2♠ | ♦A | -1 | -5 |
| +0.1 | Quarterfinal | NORWEGIANS | 29 | 3♥ | ♣K | = | +1 |
| +0.1 | Semifinal | DENMARK | 43 | 2♠ | ♣Q | = | -1 |
| -0.3 | Quarterfinal | NORWEGIANS | 11 | 1♥ | ♦Q | +3 | -2 |
| -0.4 | Semifinal | DENMARK | 24 | 4♠ | ♣2 | -1 | -4 |
| -0.7 | Semifinal | DENMARK | 3 | 2♠ | ♣2 | = | +1 |
| -0.9 | Quarterfinal | NORWEGIANS | 18 | 2♠ | ♥3 | = | -8 |
| -0.9 | Semifinal | DENMARK | 32 | 4♠ | ♦8 | = | -3 |
| -1.0 | Semifinal | DENMARK | 22 | 3NT | ♣3 | -2 | +0 |
| -1.3 | Semifinal | DENMARK | 29 | 4♦ | ♠2 | = | -6 |
| -1.5 | Quarterfinal | NORWEGIANS | 3 | 2♣ | ♣J | +2 | -7 |
| -1.6 | Semifinal | DENMARK | 16 | 4♥ | ♦7 | +2 | -13 |
| -1.7 | Semifinal | DENMARK | 21 | 6♠ | ♥5 | -2 | -6 |
| -1.8 | Quarterfinal | NORWEGIANS | 26 | 3NT | ♦2 | -1 | +1 |
| -1.9 | Semifinal | DENMARK | 39 | 2♠ | ♣Q | +1 | -1 |
| -2.1 | Semifinal | DENMARK | 46 | 4♠ | ♦6 | = | -1 |
| -2.7 | Semifinal | DENMARK | 36 | 1NT | ♦Q | -3 | -1 |
| -2.9 | Quarterfinal | NORWEGIANS | 37 | 3♣ | ♥Q | -1 | -12 |
| -2.9 | Quarterfinal | NORWEGIANS | 48 | 6♣ | ♦J | -1 | +1 |
| -2.9 | Semifinal | DENMARK | 6 | 5♥x | ♦Q | -2 | -2 |
| -3.1 | Semifinal | DENMARK | 18 | 3NT | ♦6 | -1 | +2 |
| -3.7 | Quarterfinal | NORWEGIANS | 5 | 3♣ | ♠J | +1 | -7 |
| -3.9 | Quarterfinal | NORWEGIANS | 9 | 3♦ | ♥T | +2 | -15 |
| -4.6 | Semifinal | DENMARK | 45 | 4♥ | ♦T | = | -7 |
| -4.9 | Quarterfinal | NORWEGIANS | 13 | 6♠x | ♦K | -1 | +9 |
| -4.9 | Quarterfinal | NORWEGIANS | 42 | 3NT | ♠A | -1 | -10 |
| -4.9 | Semifinal | DENMARK | 31 | 4♠ | ♥A | +1 | -8 |
| -4.9 | Semifinal | DENMARK | 34 | 3♦ | ♠2 | = | -12 |
| -5.0 | Semifinal | DENMARK | 14 | 1NT | ♦7 | = | -2 |
| -5.2 | Quarterfinal | NORWEGIANS | 28 | 1NT | ♠8 | +1 | -13 |
| -5.5 | Quarterfinal | NORWEGIANS | 33 | 4♠ | ♦4 | = | -11 |
| -5.6 | Quarterfinal | NORWEGIANS | 34 | 3NT | ♣6 | +1 | -7 |
| -5.6 | Semifinal | DENMARK | 54 | 4♥ | ♥J | -1 | -5 |
| -5.9 | Quarterfinal | NORWEGIANS | 53 | 4♠ | ♣J | -1 | -6 |
| -5.9 | Semifinal | DENMARK | 56 | 4♠x | ♣K | -3 | -14 |
| -6.0 | Semifinal | DENMARK | 37 | 2♠ | ♣A | +2 | -15 |
| -6.1 | Quarterfinal | NORWEGIANS | 55 | 4♥ | ♠8 | -1 | -10 |
| -6.3 | Quarterfinal | NORWEGIANS | 56 | 3NT | ♣6 | +2 | -11 |
| -6.4 | Semifinal | DENMARK | 15 | 3NT | ♠9 | +3 | -11 |
| -6.5 | Quarterfinal | NORWEGIANS | 50 | 5♦ | ♥Q | -1 | -13 |
| -6.9 | Semifinal | DENMARK | 13 | 6♠ | ♣8 | -1 | -12 |
| -7.6 | Quarterfinal | NORWEGIANS | 41 | 4♠ | ♥J | +1 | -15 |
| -7.7 | Quarterfinal | NORWEGIANS | 47 | 3NT | ♣6 | +2 | -8 |
| -7.7 | Quarterfinal | NORWEGIANS | 49 | 4♠ | ♦A | +1 | -13 |
| -7.8 | Quarterfinal | NORWEGIANS | 1 | 4♥ | ♦4 | +1 | -13 |
| -8.1 | Semifinal | DENMARK | 5 | 4♥ | ♦A | = | -13 |
| -8.1 | Semifinal | DENMARK | 49 | 4♥ | ♠J | +1 | -15 |
| -8.2 | Quarterfinal | NORWEGIANS | 30 | 6NT | ♠2 | +1 | -16 |
| -8.5 | Quarterfinal | NORWEGIANS | 44 | 3NT | ♦8 | +1 | -7 |
| -8.6 | Semifinal | DENMARK | 4 | 5♦ | ♠K | = | -12 |
| -8.7 | Semifinal | DENMARK | 12 | 4♠x | ♥A | +1 | -8 |
| -8.9 | Quarterfinal | NORWEGIANS | 32 | 5♥ | ♠A | = | -16 |
| -9.9 | Semifinal | DENMARK | 38 | 5♦x | ♠T | +1 | -17 |
| -10.2 | Quarterfinal | NORWEGIANS | 7 | 4♥ | ♣5 | +1 | -16 |
| -10.8 | Quarterfinal | NORWEGIANS | 51 | 3NT | ♣4 | = | -19 |
| -11.0 | Semifinal | DENMARK | 2 | 4♥ | ♣Q | +1 | -11 |
| -12.4 | Semifinal | DENMARK | 10 | 4♥ | ♠7 | -2 | -17 |
| -12.7 | Quarterfinal | NORWEGIANS | 35 | 6♥ | ♠Q | = | -23 |