🇳🇱 KOLEN Jan · NETHERLANDS
43rank
-75.0Butler · 84 bds
-0.89per board
±4.8swing
-2.77vs par /bd
-0.61adjusted /bd
by round
vs par split: bidding -2.13 · play -0.64
Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted -0.61/bd
Card play — on target: opening leads 87.5% · declarer play 65.5% · defence 92.3%
Bidding activity — not a pass: 50.0% (116/232)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 75.0% (4) |
| Declarer play | 72.7% (11) | 61.1% (18) |
| Defence | 90.0% (10) | 93.8% (16) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (3)
vs par by strain: NT -3.04 (27) · a suit -2.65 (57)
vs par by level: part-score -2.15 (26) · game -3.09 (54) · slam -2.50 (4)
By role: declaring -1.24/bd (-4.29 vs par · 58) · defending -0.12/bd (+0.61 vs par · 26)
By vulnerability: vulnerable -0.64/bd (-2.69 vs par · 42) · not vulnerable -1.15/bd (-2.86 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Verhees | B.Levin – E.Rodwell | Open | 14 | +3.4 | +0.24 | -4.00 |
| Quarterfinal | J.Verhees | R.Milner – H.Lall | Open | 14 | -22.1 | -1.58 | -4.50 |
| Quarterfinal | J.Verhees | A.Sontag – Z.Mahmood | Open | 14 | +2.5 | +0.18 | -1.36 |
| Quarterfinal | J.Verhees | R.Milner – H.Lall | Open | 14 | -29.2 | -2.09 | -0.07 |
| Quarterfinal | J.Verhees | A.Sontag – Z.Mahmood | Open | 14 | +1.2 | +0.09 | -3.00 |
| Quarterfinal | J.Verhees | B.Levin – E.Rodwell | Closed | 14 | -30.8 | -2.20 | -3.71 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Quarterfinal | 🇺🇸 USA2 | 60 | 6♠ | ♥T | -2 | +13 |
| +9.3 | Quarterfinal | 🇺🇸 USA2 | 26 | 5♥x | ♣2 | -4 | -7 |
| +8.6 | Quarterfinal | 🇺🇸 USA2 | 49 | 4♠ | ♣A | -1 | +12 |
| +7.4 | Quarterfinal | 🇺🇸 USA2 | 88 | 3♥ | ♦6 | -2 | +10 |
| +7.3 | Quarterfinal | 🇺🇸 USA2 | 51 | 3NT | ♥6 | +1 | +0 |
| +5.4 | Quarterfinal | 🇺🇸 USA2 | 5 | 5♦x | ♥K | -2 | +5 |
| +5.4 | Quarterfinal | 🇺🇸 USA2 | 13 | 6♥ | ♦T | = | +0 |
| +5.4 | Quarterfinal | 🇺🇸 USA2 | 90 | 2♥ | ♠T | = | +0 |
| +5.1 | Quarterfinal | 🇺🇸 USA2 | 25 | 5♥x | ♣A | -2 | +5 |
| +4.0 | Quarterfinal | 🇺🇸 USA2 | 97 | 3NT | ♠3 | -2 | +3 |
| +3.9 | Quarterfinal | 🇺🇸 USA2 | 15 | 3NT | ♦J | +1 | +1 |
| +3.4 | Quarterfinal | 🇺🇸 USA2 | 8 | 1NT | ♣Q | -1 | +4 |
| +3.4 | Quarterfinal | 🇺🇸 USA2 | 27 | 4♦ | ♠2 | +1 | -7 |
| +3.4 | Quarterfinal | 🇺🇸 USA2 | 63 | 2♥ | ♣5 | +1 | +1 |
| +3.0 | Quarterfinal | 🇺🇸 USA2 | 101 | 3NT | ♥3 | +2 | +2 |
| +2.9 | Quarterfinal | 🇺🇸 USA2 | 46 | 4♦ | ♠6 | +1 | +15 |
| +2.7 | Quarterfinal | 🇺🇸 USA2 | 45 | 3♥ | ♦K | = | +0 |
| +2.6 | Quarterfinal | 🇺🇸 USA2 | 24 | 1NT | ♥2 | +1 | +1 |
| +2.6 | Quarterfinal | 🇺🇸 USA2 | 108 | 3NT | ♣5 | = | +0 |
| +2.4 | Quarterfinal | 🇺🇸 USA2 | 70 | 5♦x | ♥6 | -1 | +5 |
| +2.2 | Quarterfinal | 🇺🇸 USA2 | 100 | 6♠ | ♣J | +1 | -11 |
| +2.1 | Quarterfinal | 🇺🇸 USA2 | 95 | 2NT | ♠T | = | +0 |
| +1.9 | Quarterfinal | 🇺🇸 USA2 | 4 | 3♣ | ♠Q | +3 | -10 |
| +1.6 | Quarterfinal | 🇺🇸 USA2 | 1 | 3♠ | ♥8 | = | +0 |
| +1.6 | Quarterfinal | 🇺🇸 USA2 | 10 | 5♣x | ♥T | -1 | -8 |
| +1.6 | Quarterfinal | 🇺🇸 USA2 | 86 | 4♥ | ♦4 | +1 | +0 |
| +1.3 | Quarterfinal | 🇺🇸 USA2 | 58 | 4♠ | ♦6 | -1 | +2 |
| +1.3 | Quarterfinal | 🇺🇸 USA2 | 94 | 2♠ | ♣Q | +1 | +0 |
| +0.9 | Quarterfinal | 🇺🇸 USA2 | 89 | 3NT | ♠Q | +2 | -10 |
| +0.7 | Quarterfinal | 🇺🇸 USA2 | 53 | 2♠ | ♥2 | = | +1 |
| +0.7 | Quarterfinal | 🇺🇸 USA2 | 87 | 3NT | ♥8 | +2 | +1 |
| +0.6 | Quarterfinal | 🇺🇸 USA2 | 6 | 4♠ | ♣Q | +1 | +1 |
| +0.6 | Quarterfinal | 🇺🇸 USA2 | 43 | 2♥ | ♠4 | +2 | -6 |
| +0.4 | Quarterfinal | 🇺🇸 USA2 | 48 | 4♠ | ♦6 | = | +0 |
| +0.4 | Quarterfinal | 🇺🇸 USA2 | 106 | 2♠ | ♥9 | +1 | +0 |
| +0.2 | Quarterfinal | 🇺🇸 USA2 | 102 | 3NT | ♠3 | +2 | -2 |
| +0.1 | Quarterfinal | 🇺🇸 USA2 | 12 | 4♥ | ♣5 | +1 | -14 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 52 | 3NT | ♠5 | +2 | -11 |
| -0.0 | Quarterfinal | 🇺🇸 USA2 | 85 | 4♥ | ♦7 | -2 | +0 |
| -0.1 | Quarterfinal | 🇺🇸 USA2 | 61 | 4♠x | ♣2 | = | +10 |
| -0.1 | Quarterfinal | 🇺🇸 USA2 | 92 | 3♦ | ♦9 | = | -8 |
| -0.2 | Quarterfinal | 🇺🇸 USA2 | 103 | 3NT | ♠9 | +1 | +1 |
| -0.3 | Quarterfinal | 🇺🇸 USA2 | 22 | 5♠ | ♦2 | = | +0 |
| -0.3 | Quarterfinal | 🇺🇸 USA2 | 44 | 3NT | ♦5 | +3 | +11 |
| -0.4 | Quarterfinal | 🇺🇸 USA2 | 7 | 4♠ | ♥K | = | -1 |
| -0.6 | Quarterfinal | 🇺🇸 USA2 | 50 | 4♠ | ♦T | -1 | -12 |
| -0.7 | Quarterfinal | 🇺🇸 USA2 | 2 | 4♠ | ♥2 | +1 | -11 |
| -0.7 | Quarterfinal | 🇺🇸 USA2 | 66 | 4♥ | ♦K | +1 | +0 |
| -0.9 | Quarterfinal | 🇺🇸 USA2 | 47 | 2♠ | ♦K | -2 | -3 |
| -1.2 | Quarterfinal | 🇺🇸 USA2 | 111 | 2♠ | ♦A | +1 | +7 |
| -1.6 | Quarterfinal | 🇺🇸 USA2 | 16 | 4♥ | ♦7 | +1 | +0 |
| -1.6 | Quarterfinal | 🇺🇸 USA2 | 112 | 3NT | ♠5 | +2 | -1 |
| -1.7 | Quarterfinal | 🇺🇸 USA2 | 19 | 5♠ | ♠K | = | +0 |
| -2.1 | Quarterfinal | 🇺🇸 USA2 | 3 | 2♥ | ♠Q | = | -6 |
| -2.3 | Quarterfinal | 🇺🇸 USA2 | 65 | 5♦x | ♥A | -2 | +0 |
| -2.6 | Quarterfinal | 🇺🇸 USA2 | 20 | 4♣ | ♥K | +1 | -14 |
| -2.6 | Quarterfinal | 🇺🇸 USA2 | 28 | 4♥ | ♦7 | +2 | +1 |
| -2.8 | Quarterfinal | 🇺🇸 USA2 | 104 | 2♦ | ♠7 | -1 | -5 |
| -3.0 | Quarterfinal | 🇺🇸 USA2 | 9 | 4♥ | ♦5 | +1 | +0 |
| -3.0 | Quarterfinal | 🇺🇸 USA2 | 91 | 5♣ | ♦K | -1 | -6 |
| -3.4 | Quarterfinal | 🇺🇸 USA2 | 69 | 3NT | ♠8 | +1 | +13 |
| -3.6 | Quarterfinal | 🇺🇸 USA2 | 68 | 2♠ | ♦A | -1 | +2 |
| -4.3 | Quarterfinal | 🇺🇸 USA2 | 56 | 3NT | ♥J | +1 | -8 |
| -4.4 | Quarterfinal | 🇺🇸 USA2 | 99 | 2♦ | ♠A | = | -11 |
| -4.6 | Quarterfinal | 🇺🇸 USA2 | 105 | 3NT | ♣4 | -2 | -7 |
| -4.7 | Quarterfinal | 🇺🇸 USA2 | 14 | 2NT | ♠J | -2 | -5 |
| -4.9 | Quarterfinal | 🇺🇸 USA2 | 98 | 4♠ | ♠T | -1 | -10 |
| -5.0 | Quarterfinal | 🇺🇸 USA2 | 109 | 3NT | ♦9 | -1 | -5 |
| -5.1 | Quarterfinal | 🇺🇸 USA2 | 57 | 3NT | ♣8 | = | +0 |
| -5.4 | Quarterfinal | 🇺🇸 USA2 | 62 | 3NT | ♦4 | +3 | -12 |
| -5.7 | Quarterfinal | 🇺🇸 USA2 | 11 | 4♠ | ♣6 | -1 | -11 |
| -5.8 | Quarterfinal | 🇺🇸 USA2 | 107 | 5♣ | ♥A | -2 | -8 |
| -5.9 | Quarterfinal | 🇺🇸 USA2 | 21 | 4♥ | ♣7 | +2 | -9 |
| -6.9 | Quarterfinal | 🇺🇸 USA2 | 55 | 5♠ | ♦9 | -2 | -6 |
| -6.9 | Quarterfinal | 🇺🇸 USA2 | 93 | 6♦ | ♠T | -2 | -12 |
| -7.1 | Quarterfinal | 🇺🇸 USA2 | 23 | 3NT | ♣T | = | -10 |
| -7.3 | Quarterfinal | 🇺🇸 USA2 | 96 | 3♦ | ♠2 | -1 | -10 |
| -7.7 | Quarterfinal | 🇺🇸 USA2 | 54 | 3NT | ♥2 | -1 | -12 |
| -7.9 | Quarterfinal | 🇺🇸 USA2 | 64 | 4♥ | ♦A | +2 | -11 |
| -8.9 | Quarterfinal | 🇺🇸 USA2 | 59 | 3NT | ♠5 | +3 | -13 |
| -9.0 | Quarterfinal | 🇺🇸 USA2 | 67 | 3NT | ♣4 | -1 | -11 |
| -10.6 | Quarterfinal | 🇺🇸 USA2 | 18 | 5♥x | ♠K | -2 | -12 |
| -13.6 | Quarterfinal | 🇺🇸 USA2 | 110 | 5♦x | ♠K | -3 | -12 |
| -14.0 | Quarterfinal | 🇺🇸 USA2 | 17 | 1NTx | ♠8 | -5 | -12 |