WACKWITZ Ernst · NED RED
470rank
-51.7Butler · 100 bds
-0.52per board
±4.5swing
-0.42vs par /bd · #387/552
-0.48adjusted /bd
by round
vs par split: bidding -0.22 · play -0.20
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.48/bd
Card play — on target: opening leads 65.6% #507 of 551 · declarer play 69.6% #336 of 551 · defence 90.2% #96 of 552
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (10) | 68.2% (22) |
| Declarer play | 40.0% (5) | 77.8% (18) |
| Defence | 77.8% (18) | 97.0% (33) |
Opening leads by suit led: ♠ 37.5% (8) · ♥ 83.3% (12) · ♦ 75.0% (4) · ♣ 62.5% (8)
vs par by strain: NT -0.58 (31) · a suit -0.35 (69)
vs par by level: part-score +0.07 (42) · game +0.51 (47) · slam -6.27 (11)
By role: declaring -0.61/bd (-3.18 vs par · 49) · defending -0.43/bd (+2.23 vs par · 51)
By vulnerability: vulnerable -0.52/bd (-0.80 vs par · 50) · not vulnerable -0.52/bd (-0.04 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Westerbeek | A.Shah – D.Poddar | Closed | 10 | +7.0 | +0.70 | -0.10 |
| Round 2 | C.Westerbeek | T.Bardsen – T.Haugen | Closed | 10 | -8.9 | -0.89 | +0.80 |
| Round 3 | C.Westerbeek | F.Falay – M.Copur | Closed | 10 | +24.0 | +2.40 | +4.80 |
| Round 4 | C.Westerbeek | T.Helness – G.Helgemo | Closed | 10 | -13.2 | -1.32 | -1.20 |
| Round 5 | C.Westerbeek | L.Szilagyi – P.Lakatos | Closed | 10 | -6.4 | -0.64 | +0.10 |
| Round 6 | C.Westerbeek | M.Harding – A.Fuglestad | Open | 10 | -24.5 | -2.45 | -2.80 |
| Round 7 | C.Westerbeek | K.Marinovski – V.Zoric | Closed | 10 | -2.1 | -0.21 | -1.40 |
| Round 8 | C.Westerbeek | M.Bompis – J.Quantin | Open | 10 | -7.8 | -0.78 | -0.20 |
| Round 9 | C.Westerbeek | V.Batov – L.Ignatov | Open | 10 | -22.0 | -2.20 | -2.30 |
| Round 10 | C.Westerbeek | A.Frencken – M.Vandervorst | Open | 10 | +2.2 | +0.22 | -1.90 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 10 | FRENCKEN | 10 | 5♥x | ♥3 | -3 | +12 |
| +11.3 | Round 3 | SANSAR | 30 | 6♥x | ♣A | -2 | +12 |
| +9.4 | Round 8 | MONACO A | 16 | 5♥x | ♠J | -1 | +11 |
| +7.6 | Round 9 | K4 | 30 | 4♠x | ♠A | -2 | +9 |
| +7.5 | Round 9 | K4 | 25 | 4♥ | ♣K | = | +10 |
| +6.4 | Round 3 | SANSAR | 23 | 3♦ | ♥3 | +2 | +10 |
| +5.9 | Round 1 | DAR INDIA | 2 | 6♦ | ♣4 | +1 | -13 |
| +5.8 | Round 5 | HUNGARY GAMAX | 18 | 3NT | ♣4 | = | +0 |
| +5.3 | Round 9 | K4 | 23 | 3NT | ♠Q | +2 | +1 |
| +5.1 | Round 4 | MONACO Z | 5 | 6♥ | ♦A | = | +0 |
| +4.5 | Round 7 | OPATIJA | 10 | 4♥ | ♠6 | +1 | -13 |
| +4.3 | Round 10 | FRENCKEN | 8 | 3♦ | ♥3 | -3 | +6 |
| +3.9 | Round 10 | FRENCKEN | 5 | 4♥ | ♥3 | = | +1 |
| +3.8 | Round 6 | NORWAY LADIES | 25 | 3NT | ♠4 | -4 | +2 |
| +3.5 | Round 1 | DAR INDIA | 9 | 5♣ | ♠9 | -1 | +12 |
| +3.5 | Round 7 | OPATIJA | 8 | 4♣ | ♦J | -1 | +5 |
| +3.4 | Round 2 | NOR WEST | 17 | 4♥ | ♣Q | +1 | +7 |
| +3.2 | Round 5 | HUNGARY GAMAX | 20 | 6♣ | ♥6 | +1 | -13 |
| +3.1 | Round 3 | SANSAR | 21 | 2♥ | ♦10 | +1 | +0 |
| +2.7 | Round 7 | OPATIJA | 6 | 3NT | ♣3 | = | -1 |
| +2.3 | Round 3 | SANSAR | 28 | 5♦ | ♥4 | -1 | +6 |
| +2.3 | Round 6 | NORWAY LADIES | 26 | 1NT | ♦2 | = | -1 |
| +2.2 | Round 1 | DAR INDIA | 10 | 3♣ | ♥K | = | +0 |
| +2.2 | Round 6 | NORWAY LADIES | 29 | 1NT | ♥5 | +2 | +11 |
| +2.2 | Round 7 | OPATIJA | 4 | 2♠ | ♠2 | +1 | +0 |
| +2.1 | Round 3 | SANSAR | 27 | 5♣ | ♠3 | -1 | +10 |
| +2.0 | Round 4 | MONACO Z | 3 | 4♠ | ♥6 | -1 | +5 |
| +1.9 | Round 10 | FRENCKEN | 1 | 3♣ | ♥3 | = | +0 |
| +1.5 | Round 8 | MONACO A | 11 | 4♠ | ♦10 | -3 | +7 |
| +1.3 | Round 1 | DAR INDIA | 5 | 2♠ | ♣2 | -1 | +4 |
| +1.2 | Round 10 | FRENCKEN | 7 | 3NT | ♥3 | = | +2 |
| +1.1 | Round 1 | DAR INDIA | 3 | 2♠ | ♠3 | +1 | +0 |
| +1.0 | Round 2 | NOR WEST | 11 | 4♠ | ♥Q | = | +0 |
| +0.9 | Round 1 | DAR INDIA | 6 | 1NT | ♦4 | +1 | +9 |
| +0.8 | Round 2 | NOR WEST | 12 | 4♥ | ♣A | -2 | +1 |
| +0.8 | Round 6 | NORWAY LADIES | 21 | 2NT | ♥10 | = | +0 |
| +0.5 | Round 5 | HUNGARY GAMAX | 15 | 1NT | ♣6 | = | -7 |
| +0.4 | Round 3 | SANSAR | 24 | 1NT | ♦Q | = | -1 |
| +0.4 | Round 6 | NORWAY LADIES | 30 | 6♦ | ♥6 | = | +2 |
| +0.4 | Round 10 | FRENCKEN | 6 | 1NT | ♥3 | +1 | +0 |
| +0.3 | Round 1 | DAR INDIA | 8 | 3♣ | ♠10 | -1 | -4 |
| +0.3 | Round 5 | HUNGARY GAMAX | 11 | 2♠ | ♣2 | = | +0 |
| +0.1 | Round 4 | MONACO Z | 1 | 4♠ | ♣K | +1 | +0 |
| +0.1 | Round 5 | HUNGARY GAMAX | 16 | 4♠ | ♥4 | -1 | +5 |
| +0.0 | Round 7 | OPATIJA | 9 | 3NT | ♣4 | +1 | +1 |
| -0.1 | Round 3 | SANSAR | 25 | 4♥ | ♣Q | = | +1 |
| -0.1 | Round 3 | SANSAR | 26 | 1NT | ♥9 | = | +11 |
| -0.1 | Round 4 | MONACO Z | 6 | 2♣ | ♠2 | +1 | +0 |
| -0.2 | Round 5 | HUNGARY GAMAX | 17 | 3♦ | ♥2 | -2 | +1 |
| -0.2 | Round 8 | MONACO A | 17 | 3♠ | ♣10 | -2 | +5 |
| -0.3 | Round 2 | NOR WEST | 15 | 3♣ | ♥5 | -1 | +2 |
| -0.3 | Round 8 | MONACO A | 14 | 2♥ | ♣J | +1 | -1 |
| -0.4 | Round 8 | MONACO A | 12 | 3NT | ♠9 | = | -1 |
| -0.5 | Round 3 | SANSAR | 22 | 3NT | ♠3 | +2 | -1 |
| -0.6 | Round 4 | MONACO Z | 2 | 3♦ | ♠K | = | -1 |
| -0.7 | Round 8 | MONACO A | 15 | 2♥ | ♠K | = | -7 |
| -0.9 | Round 3 | SANSAR | 29 | 3♥ | ♣6 | = | +0 |
| -1.1 | Round 2 | NOR WEST | 14 | 3NT | ♠5 | = | -1 |
| -1.1 | Round 2 | NOR WEST | 16 | 3NT | ♠10 | +2 | +0 |
| -1.2 | Round 9 | K4 | 28 | 3♣x | ♠6 | -1 | +0 |
| -1.3 | Round 4 | MONACO Z | 7 | 2NT | ♠K | +1 | -1 |
| -1.3 | Round 4 | MONACO Z | 9 | 4♥ | ♠3 | +1 | +0 |
| -1.4 | Round 2 | NOR WEST | 20 | 4♠ | ♦A | +1 | +0 |
| -1.5 | Round 1 | DAR INDIA | 7 | 3♣ | ♠K | = | -1 |
| -1.8 | Round 6 | NORWAY LADIES | 27 | 3♠ | ♦Q | = | +0 |
| -1.8 | Round 10 | FRENCKEN | 2 | 3NT | ♥3 | = | -11 |
| -1.9 | Round 2 | NOR WEST | 19 | 4♠ | ♥A | -1 | -6 |
| -2.2 | Round 5 | HUNGARY GAMAX | 13 | 3NT | ♦K | +2 | +0 |
| -2.2 | Round 9 | K4 | 22 | 6NT | ♠6 | = | +0 |
| -2.3 | Round 7 | OPATIJA | 7 | 3♠ | ♦A | = | +0 |
| -2.3 | Round 8 | MONACO A | 13 | 3♥ | ♦7 | = | -8 |
| -2.6 | Round 2 | NOR WEST | 13 | 2♠ | ♣Q | = | +5 |
| -2.8 | Round 1 | DAR INDIA | 4 | 4♣ | ♠3 | = | -7 |
| -2.8 | Round 5 | HUNGARY GAMAX | 14 | 5♣ | ♠J | = | +11 |
| -3.0 | Round 7 | OPATIJA | 3 | 4♠ | ♥J | = | +0 |
| -3.2 | Round 7 | OPATIJA | 2 | 2♠ | ♠2 | -1 | -4 |
| -3.2 | Round 7 | OPATIJA | 5 | 2♠ | ♣2 | = | -1 |
| -3.3 | Round 4 | MONACO Z | 4 | 3NT | ♠10 | = | +0 |
| -3.3 | Round 7 | OPATIJA | 1 | 3♦ | ♣5 | = | -1 |
| -3.9 | Round 1 | DAR INDIA | 1 | 3NT | ♥A | +1 | -1 |
| -3.9 | Round 6 | NORWAY LADIES | 23 | 3NT | ♥6 | -3 | -5 |
| -4.0 | Round 8 | MONACO A | 18 | 3♦x | ♥9 | -2 | -4 |
| -4.6 | Round 4 | MONACO Z | 8 | 4♣ | ♠10 | -2 | -5 |
| -4.7 | Round 5 | HUNGARY GAMAX | 19 | 5♣x | ♥A | +1 | +7 |
| -4.7 | Round 9 | K4 | 26 | 5♦ | ♥5 | = | -3 |
| -5.0 | Round 10 | FRENCKEN | 9 | 3NT | ♥3 | +2 | -2 |
| -5.1 | Round 8 | MONACO A | 19 | 3NT | ♦6 | +1 | +0 |
| -5.5 | Round 10 | FRENCKEN | 4 | 3NT | ♥3 | -1 | -12 |
| -5.7 | Round 2 | NOR WEST | 18 | 6NT | ♥5 | = | +0 |
| -5.7 | Round 8 | MONACO A | 20 | 2♦x | ♦K | -3 | -4 |
| -6.2 | Round 9 | K4 | 24 | 3NT | ♦Q | = | -7 |
| -6.4 | Round 5 | HUNGARY GAMAX | 12 | 3NT | ♣5 | = | -3 |
| -7.5 | Round 9 | K4 | 29 | 4♠ | ♥A | = | -10 |
| -8.0 | Round 6 | NORWAY LADIES | 24 | 3♥x | ♠2 | -4 | -8 |
| -9.0 | Round 6 | NORWAY LADIES | 22 | 6♣x | ♥K | -2 | -12 |
| -9.2 | Round 4 | MONACO Z | 10 | 4♥ | ♦5 | = | -10 |
| -9.6 | Round 9 | K4 | 21 | 4♠ | ♣K | = | -10 |
| -10.2 | Round 10 | FRENCKEN | 3 | 6♦ | ♥3 | -1 | -15 |
| -11.0 | Round 9 | K4 | 27 | 7♦ | ♣A | -1 | -13 |
| -11.3 | Round 6 | NORWAY LADIES | 28 | 7♠ | ♦6 | -1 | -17 |