🇳🇱 WACKWITZ Janneke · NETHERLANDS
7rank
+110.5Butler · 112 bds
+0.99per board
±4.8swing
+0.98vs par /bd · #13/68
+0.89adjusted /bd
by round
vs par split: bidding +0.65 · play +0.33
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.89/bd
Card play — on target: opening leads 81.2% #27 of 68 · declarer play 78.3% #25 of 68 · defence 87.9% #16 of 68
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 84.6% (26) |
| Declarer play | 100.0% (5) | 72.2% (18) |
| Defence | 75.0% (12) | 91.3% (46) |
Opening leads by suit led: ♠ 80.0% (10) · ♥ 81.8% (11) · ♦ 75.0% (4) · ♣ 85.7% (7)
vs par by strain: NT -0.25 (24) · a suit +1.32 (88)
vs par by level: part-score +1.04 (45) · game +1.91 (58) · slam -5.33 (9)
By role: declaring +1.23/bd (-1.54 vs par · 54) · defending +0.76/bd (+3.33 vs par · 58)
By vulnerability: vulnerable +1.04/bd (-0.59 vs par · 56) · not vulnerable +0.93/bd (+2.55 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Bruijnsteen | A.Marriott – A.Hunt | Open | 14 | -5.6 | -0.40 | +0.71 |
| Round 4 | M.Bruijnsteen | E.Pattison – R.Cooper | Open | 14 | +10.6 | +0.76 | +3.93 |
| Round 5 | M.Bruijnsteen | F.Nacrur – S.Gerstmann | Closed | 14 | +20.5 | +1.46 | +1.07 |
| Round 7 | M.Bruijnsteen | T.Indrebo – S.Sjodal | Open | 14 | +8.2 | +0.59 | -0.71 |
| Round 8 | M.Bruijnsteen | M.Beko – H.Lajos | Closed | 14 | +59.2 | +4.23 | +0.43 |
| Round 10 | M.Bruijnsteen | A.Leleu – J.Mourgues | Open | 14 | +13.7 | +0.98 | -1.36 |
| Round 11 | M.Bruijnsteen | Y.Lee – K.Chen | Closed | 14 | +19.4 | +1.39 | +2.64 |
| Round 13 | M.Bruijnsteen | A.Guan – M.Xia | Open | 14 | -15.5 | -1.11 | +1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +15.4 | Round 5 | 🇨🇱 CHILE | 7 | 5♦x | ♣A | -5 | +15 |
| +12.5 | Round 8 | 🇭🇺 HUNGARY | 19 | 4♠ | ♦8 | -1 | +13 |
| +11.0 | Round 1 | 🇺🇸 USA | 27 | 6♣x | ♣A | -1 | +11 |
| +10.7 | Round 5 | 🇨🇱 CHILE | 10 | 5♠x | ♥K | = | +8 |
| +10.0 | Round 4 | 🇦🇺 AUSTRALIA | 24 | 5♥x | ♠A | -3 | +12 |
| +9.5 | Round 8 | 🇭🇺 HUNGARY | 22 | 3♥ | ♥3 | +3 | +9 |
| +9.4 | Round 10 | 🇫🇷 FRANCE | 13 | 6♥ | ♣A | = | +0 |
| +9.3 | Round 11 | 🇹🇼 CHINESE TAIPEI | 24 | 4♠ | ♠2 | -1 | +11 |
| +8.6 | Round 8 | 🇭🇺 HUNGARY | 25 | 4♠ | ♣3 | = | +7 |
| +7.8 | Round 5 | 🇨🇱 CHILE | 13 | 4♠ | ♠Q | = | +0 |
| +7.7 | Round 1 | 🇺🇸 USA | 26 | 5♥ | ♠A | -1 | +7 |
| +7.5 | Round 8 | 🇭🇺 HUNGARY | 28 | 4♥ | ♠2 | -1 | +10 |
| +7.3 | Round 10 | 🇫🇷 FRANCE | 12 | 4♥ | ♥2 | = | +3 |
| +6.6 | Round 4 | 🇦🇺 AUSTRALIA | 26 | 4♠ | ♥6 | -1 | +12 |
| +6.2 | Round 1 | 🇺🇸 USA | 16 | 3♥ | ♣2 | +1 | +8 |
| +6.0 | Round 8 | 🇭🇺 HUNGARY | 24 | 3NT | ♦Q | +1 | -1 |
| +5.4 | Round 13 | 🇨🇳 CHINA | 11 | 4♠ | ♣K | -1 | +11 |
| +5.3 | Round 4 | 🇦🇺 AUSTRALIA | 17 | 3♣ | ♠Q | = | +13 |
| +5.3 | Round 8 | 🇭🇺 HUNGARY | 16 | 4♠ | ♣4 | = | +0 |
| +4.7 | Round 4 | 🇦🇺 AUSTRALIA | 25 | 3♥ | ♦7 | +1 | +7 |
| +4.6 | Round 7 | 🇳🇴 NORWAY | 13 | 5♥ | ♠K | -1 | -12 |
| +4.5 | Round 4 | 🇦🇺 AUSTRALIA | 15 | 4♥ | ♦6 | = | +0 |
| +4.5 | Round 10 | 🇫🇷 FRANCE | 8 | 2NT | ♠Q | -1 | +5 |
| +4.3 | Round 8 | 🇭🇺 HUNGARY | 15 | 2♠ | ♦6 | -1 | +5 |
| +4.2 | Round 11 | 🇹🇼 CHINESE TAIPEI | 17 | 5♦ | ♠7 | -1 | +10 |
| +3.9 | Round 11 | 🇹🇼 CHINESE TAIPEI | 16 | 4♠ | ♥K | -2 | +6 |
| +3.6 | Round 10 | 🇫🇷 FRANCE | 4 | 4♥ | ♣3 | -2 | +7 |
| +3.5 | Round 7 | 🇳🇴 NORWAY | 4 | 4♠ | ♦Q | = | -1 |
| +3.5 | Round 8 | 🇭🇺 HUNGARY | 18 | 4♠ | ♥3 | +1 | -13 |
| +3.2 | Round 5 | 🇨🇱 CHILE | 6 | 4♠ | ♦3 | +1 | +0 |
| +3.0 | Round 11 | 🇹🇼 CHINESE TAIPEI | 23 | 3♥x | ♦8 | -1 | +10 |
| +2.8 | Round 7 | 🇳🇴 NORWAY | 7 | 4♠ | ♣A | +1 | +1 |
| +2.8 | Round 10 | 🇫🇷 FRANCE | 14 | 4♥x | ♦A | -1 | +6 |
| +2.6 | Round 7 | 🇳🇴 NORWAY | 14 | 3♠ | ♥A | +1 | +2 |
| +2.6 | Round 11 | 🇹🇼 CHINESE TAIPEI | 18 | 1NT | ♥4 | +3 | +2 |
| +2.5 | Round 1 | 🇺🇸 USA | 19 | 4♠ | ♦9 | = | +0 |
| +2.5 | Round 1 | 🇺🇸 USA | 25 | 6♠ | ♠5 | +1 | -11 |
| +2.5 | Round 7 | 🇳🇴 NORWAY | 6 | 2♥ | ♦4 | -1 | +11 |
| +2.4 | Round 5 | 🇨🇱 CHILE | 11 | 3NTx | ♠10 | -1 | +6 |
| +2.4 | Round 8 | 🇭🇺 HUNGARY | 20 | 3♦ | ♠K | = | +0 |
| +2.4 | Round 8 | 🇭🇺 HUNGARY | 23 | 4♥ | ♠5 | -1 | -1 |
| +2.3 | Round 7 | 🇳🇴 NORWAY | 3 | 4♦ | ♠A | = | +0 |
| +2.1 | Round 5 | 🇨🇱 CHILE | 8 | 5♣ | ♣2 | +1 | +1 |
| +2.0 | Round 13 | 🇨🇳 CHINA | 7 | 3♦ | ♥10 | = | +1 |
| +1.9 | Round 4 | 🇦🇺 AUSTRALIA | 27 | 4♠ | ♥6 | = | +3 |
| +1.9 | Round 11 | 🇹🇼 CHINESE TAIPEI | 26 | 4♠ | ♥J | = | +0 |
| +1.5 | Round 8 | 🇭🇺 HUNGARY | 21 | 6♠ | ♠4 | +1 | -13 |
| +1.5 | Round 11 | 🇹🇼 CHINESE TAIPEI | 20 | 2NT | ♥4 | +3 | -9 |
| +1.4 | Round 13 | 🇨🇳 CHINA | 4 | 4♥ | ♦5 | +1 | +0 |
| +1.0 | Round 7 | 🇳🇴 NORWAY | 1 | 2♠ | ♦9 | -1 | +3 |
| +0.9 | Round 1 | 🇺🇸 USA | 24 | 3♦ | ♥K | -1 | +5 |
| +0.8 | Round 1 | 🇺🇸 USA | 21 | 2♠ | ♦3 | = | +0 |
| +0.8 | Round 11 | 🇹🇼 CHINESE TAIPEI | 25 | 1NT | ♦6 | = | -1 |
| +0.6 | Round 10 | 🇫🇷 FRANCE | 7 | 4♥ | ♣A | = | -13 |
| +0.6 | Round 10 | 🇫🇷 FRANCE | 9 | 2♠ | ♥A | +1 | -6 |
| +0.6 | Round 13 | 🇨🇳 CHINA | 9 | 5♣ | ♠A | -3 | +8 |
| +0.3 | Round 5 | 🇨🇱 CHILE | 9 | 2♠ | ♥K | +1 | +8 |
| +0.3 | Round 13 | 🇨🇳 CHINA | 10 | 2♦ | ♥8 | +2 | +0 |
| +0.3 | Round 13 | 🇨🇳 CHINA | 13 | 4♥ | ♦J | +1 | +4 |
| +0.1 | Round 11 | 🇹🇼 CHINESE TAIPEI | 28 | 3NT | ♥5 | +1 | +0 |
| -0.0 | Round 4 | 🇦🇺 AUSTRALIA | 20 | 2♥ | ♥2 | -2 | +9 |
| +0.0 | Round 5 | 🇨🇱 CHILE | 2 | 5♣ | ♠K | = | +0 |
| +0.0 | Round 7 | 🇳🇴 NORWAY | 8 | 4♥ | ♦A | = | +0 |
| +0.0 | Round 13 | 🇨🇳 CHINA | 1 | 4♠ | ♣Q | +1 | +0 |
| -0.1 | Round 8 | 🇭🇺 HUNGARY | 26 | 1NT | ♣A | +1 | -10 |
| -0.1 | Round 13 | 🇨🇳 CHINA | 8 | 2NT | ♥2 | -1 | +4 |
| -0.4 | Round 5 | 🇨🇱 CHILE | 12 | 4♠ | ♥4 | +1 | +0 |
| -0.4 | Round 10 | 🇫🇷 FRANCE | 3 | 3NT | ♠10 | +2 | +0 |
| -0.5 | Round 10 | 🇫🇷 FRANCE | 2 | 3♦ | ♠7 | -2 | -9 |
| -0.5 | Round 11 | 🇹🇼 CHINESE TAIPEI | 19 | 1NT | ♠6 | = | -5 |
| -0.7 | Round 4 | 🇦🇺 AUSTRALIA | 19 | 6♣ | ♠3 | +1 | -2 |
| -0.7 | Round 10 | 🇫🇷 FRANCE | 10 | 1NT | ♠4 | = | -2 |
| -0.7 | Round 11 | 🇹🇼 CHINESE TAIPEI | 27 | 1NT | ♠5 | +1 | +0 |
| -0.8 | Round 1 | 🇺🇸 USA | 15 | 4♠ | ♦10 | +1 | +0 |
| -0.8 | Round 7 | 🇳🇴 NORWAY | 12 | 3NT | ♠A | +1 | -1 |
| -0.9 | Round 11 | 🇹🇼 CHINESE TAIPEI | 21 | 2♠ | ♣7 | +1 | +0 |
| -1.0 | Round 7 | 🇳🇴 NORWAY | 10 | 5♣ | ♠A | = | -13 |
| -1.0 | Round 13 | 🇨🇳 CHINA | 2 | 3NT | ♥2 | +3 | -1 |
| -1.1 | Round 7 | 🇳🇴 NORWAY | 5 | 3♦ | ♠7 | = | +0 |
| -1.3 | Round 1 | 🇺🇸 USA | 22 | 2♠ | ♥2 | +1 | +0 |
| -1.3 | Round 13 | 🇨🇳 CHINA | 5 | 2♥ | ♣3 | +1 | +0 |
| -1.5 | Round 4 | 🇦🇺 AUSTRALIA | 22 | 3NT | ♣3 | +2 | +0 |
| -1.5 | Round 5 | 🇨🇱 CHILE | 4 | 3NT | ♥J | -3 | -4 |
| -1.5 | Round 10 | 🇫🇷 FRANCE | 5 | 4♠ | ♣Q | +1 | -1 |
| -1.8 | Round 8 | 🇭🇺 HUNGARY | 27 | 2♠ | ♥Q | = | +0 |
| -1.9 | Round 1 | 🇺🇸 USA | 20 | 2♦ | ♥9 | = | +0 |
| -2.0 | Round 4 | 🇦🇺 AUSTRALIA | 21 | 3NT | ♠3 | = | +1 |
| -2.1 | Round 11 | 🇹🇼 CHINESE TAIPEI | 22 | 2♠ | ♥2 | = | +0 |
| -2.2 | Round 7 | 🇳🇴 NORWAY | 9 | 1♣ | ♦A | -1 | -1 |
| -2.3 | Round 4 | 🇦🇺 AUSTRALIA | 16 | 3NT | ♠9 | +3 | +11 |
| -2.3 | Round 10 | 🇫🇷 FRANCE | 6 | 4♣ | ♠9 | = | +0 |
| -2.4 | Round 8 | 🇭🇺 HUNGARY | 17 | 2♥ | ♠9 | -2 | +0 |
| -2.6 | Round 5 | 🇨🇱 CHILE | 1 | 3♠ | ♦6 | -3 | -7 |
| -2.7 | Round 5 | 🇨🇱 CHILE | 14 | 5♦ | ♠J | = | +1 |
| -2.9 | Round 7 | 🇳🇴 NORWAY | 11 | 4♣ | ♠A | -1 | +5 |
| -3.1 | Round 1 | 🇺🇸 USA | 28 | 4♥ | ♦6 | +3 | +10 |
| -3.1 | Round 7 | 🇳🇴 NORWAY | 2 | 2♥ | ♦K | +2 | -4 |
| -3.1 | Round 13 | 🇨🇳 CHINA | 6 | 3NT | ♠7 | = | +1 |
| -3.7 | Round 1 | 🇺🇸 USA | 18 | 4♠ | ♥A | = | +0 |
| -3.7 | Round 11 | 🇹🇼 CHINESE TAIPEI | 15 | 3NT | ♣3 | +3 | +13 |
| -3.7 | Round 13 | 🇨🇳 CHINA | 14 | 2♠ | ♣A | = | +0 |
| -4.0 | Round 4 | 🇦🇺 AUSTRALIA | 23 | 3♠ | ♥3 | = | -1 |
| -4.2 | Round 10 | 🇫🇷 FRANCE | 1 | 3♦ | ♠2 | = | -5 |
| -4.4 | Round 5 | 🇨🇱 CHILE | 3 | 1NTx | ♦A | -1 | +0 |
| -5.5 | Round 10 | 🇫🇷 FRANCE | 11 | 4♥ | ♠A | -1 | -4 |
| -5.8 | Round 4 | 🇦🇺 AUSTRALIA | 18 | 6♦ | ♥3 | = | +0 |
| -5.9 | Round 13 | 🇨🇳 CHINA | 12 | 4♠ | ♣K | -3 | -10 |
| -6.1 | Round 4 | 🇦🇺 AUSTRALIA | 28 | 4♥ | ♠4 | -1 | -10 |
| -9.8 | Round 5 | 🇨🇱 CHILE | 5 | 6NT | ♠5 | -2 | -13 |
| -10.4 | Round 13 | 🇨🇳 CHINA | 3 | 3NT | ♥5 | +2 | -2 |
| -11.9 | Round 1 | 🇺🇸 USA | 17 | 6♦ | ♣8 | = | +0 |
| -14.5 | Round 1 | 🇺🇸 USA | 23 | 7♥ | ♥8 | -1 | -20 |