🇳🇱 GOUDZWAARD Dieter · NETHERLANDS
53rank
-69.1Butler · 80 bds
-0.86per board
±5.7swing
-0.66vs par /bd
-0.86adjusted /bd
by round
vs par split: bidding -0.08 · play -0.59
Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted -0.86/bd
Card play — on target: opening leads 72.2% · declarer play 70.0% · defence 91.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 66.7% (15) |
| Declarer play | 75.0% (8) | 68.2% (22) |
| Defence | 100.0% (9) | 88.9% (27) |
Opening leads by suit led: ♠ 50.0% (6) · ♥ 75.0% (4) · ♦ 66.7% (3) · ♣ 100.0% (5)
vs par by strain: NT -0.25 (20) · a suit -0.81 (59)
vs par by level: part-score +1.61 (28) · game -2.43 (42) · slam +0.44 (9)
By role: declaring -1.36/bd (-3.11 vs par · 44) · defending -0.26/bd (+2.33 vs par · 36)
By vulnerability: vulnerable -0.28/bd (-0.45 vs par · 40) · not vulnerable -1.45/bd (-0.88 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | T.Westerveld | M.Lombardi – F.Porta | Closed | 16 | -33.9 | -2.12 | -1.81 |
| Round 5 | T.Westerveld | R.Madej – R.Rosikiewicz | Closed | 16 | +36.5 | +2.28 | +3.75 |
| Round 6 | T.Westerveld | D.Winter – L.Sanderson | Closed | 16 | -34.5 | -2.16 | -2.50 |
| Round 8 | T.Westerveld | J.Lepper – F.Doermer | Closed | 16 | -41.5 | -2.59 | -3.31 |
| Round 18 | T.Westerveld | D.Winter – L.Sanderson | Open | 16 | +4.3 | +0.27 | +0.56 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 18 | 🏴 ENGLAND | 13 | 4♠ | ♥4 | -1 | +13 |
| +9.6 | Round 5 | 🇵🇱 POLAND | 9 | 3NT | ♠3 | -1 | +12 |
| +9.6 | Round 6 | 🏴 ENGLAND | 22 | 3♥ | ♥10 | +1 | +11 |
| +9.3 | Round 5 | 🇵🇱 POLAND | 4 | 3♣ | ♠3 | +3 | +14 |
| +9.1 | Round 8 | 🇩🇪 GERMANY | 29 | 3NT | ♦2 | +1 | +10 |
| +7.8 | Round 18 | 🏴 ENGLAND | 8 | 4♠ | ♥K | = | -1 |
| +7.6 | Round 5 | 🇵🇱 POLAND | 12 | 6♠ | ♣10 | -1 | +14 |
| +6.7 | Round 18 | 🏴 ENGLAND | 9 | 6♦ | ♣Q | -1 | +10 |
| +6.0 | Round 5 | 🇵🇱 POLAND | 6 | 3♥ | ♠6 | -1 | +12 |
| +5.8 | Round 6 | 🏴 ENGLAND | 27 | 2♥ | ♦10 | -2 | +6 |
| +5.8 | Round 18 | 🏴 ENGLAND | 15 | 3NT | ♥10 | +1 | +0 |
| +5.4 | Round 5 | 🇵🇱 POLAND | 10 | 4♥ | ♠A | -1 | +9 |
| +4.8 | Round 2 | 🇮🇹 ITALY | 17 | 4♣ | ♠K | = | +6 |
| +4.3 | Round 2 | 🇮🇹 ITALY | 32 | 7♠ | ♥J | = | +0 |
| +4.0 | Round 2 | 🇮🇹 ITALY | 19 | 3NT | ♠7 | -1 | +5 |
| +4.0 | Round 5 | 🇵🇱 POLAND | 16 | 3♠ | ♦A | = | +10 |
| +3.8 | Round 5 | 🇵🇱 POLAND | 1 | 1NT | ♣Q | +2 | +7 |
| +3.4 | Round 6 | 🏴 ENGLAND | 31 | 2♦ | ♥J | +1 | +1 |
| +3.1 | Round 2 | 🇮🇹 ITALY | 27 | 2♥ | ♠10 | = | +0 |
| +2.9 | Round 2 | 🇮🇹 ITALY | 25 | 3♠ | ♣Q | +1 | +6 |
| +2.9 | Round 8 | 🇩🇪 GERMANY | 25 | 5♣ | ♦6 | -1 | -5 |
| +2.7 | Round 2 | 🇮🇹 ITALY | 24 | 3NT | ♦2 | = | -1 |
| +2.4 | Round 5 | 🇵🇱 POLAND | 11 | 3NT | ♣2 | = | +0 |
| +2.4 | Round 18 | 🏴 ENGLAND | 7 | 2♠ | ♦10 | = | -1 |
| +2.0 | Round 2 | 🇮🇹 ITALY | 22 | 5♣ | ♦A | = | +11 |
| +2.0 | Round 18 | 🏴 ENGLAND | 4 | 4♣ | ♥2 | +1 | +10 |
| +1.4 | Round 5 | 🇵🇱 POLAND | 8 | 6♥ | ♦5 | +1 | +3 |
| +1.3 | Round 8 | 🇩🇪 GERMANY | 31 | 4♠ | ♣7 | +1 | +0 |
| +0.7 | Round 2 | 🇮🇹 ITALY | 21 | 1NT | ♦K | -2 | +1 |
| +0.4 | Round 5 | 🇵🇱 POLAND | 14 | 1NT | ♠Q | = | +5 |
| +0.3 | Round 6 | 🏴 ENGLAND | 18 | 3♠ | ♦A | +1 | +7 |
| +0.1 | Round 5 | 🇵🇱 POLAND | 2 | 4♥ | ♣K | +1 | +0 |
| +0.1 | Round 6 | 🏴 ENGLAND | 19 | 4♠ | ♥7 | = | +1 |
| +0.1 | Round 8 | 🇩🇪 GERMANY | 17 | 3♦ | ♥K | -1 | +2 |
| +0.1 | Round 8 | 🇩🇪 GERMANY | 28 | 5♥ | ♠4 | = | +0 |
| +0.0 | Round 5 | 🇵🇱 POLAND | 5 | 4♠ | ♣J | -1 | -6 |
| -0.0 | Round 18 | 🏴 ENGLAND | 10 | 4♥ | ♦10 | +1 | +0 |
| -0.2 | Round 8 | 🇩🇪 GERMANY | 20 | 3♣ | ♦6 | -1 | +0 |
| -0.2 | Round 18 | 🏴 ENGLAND | 11 | 4♠ | ♥Q | = | +0 |
| -0.6 | Round 6 | 🏴 ENGLAND | 28 | 4♥ | ♦8 | +1 | -1 |
| -0.8 | Round 8 | 🇩🇪 GERMANY | 26 | 5♥ | ♠A | = | -4 |
| -0.9 | Round 5 | 🇵🇱 POLAND | 13 | 3♠ | ♣A | -1 | -5 |
| -0.9 | Round 6 | 🏴 ENGLAND | 20 | 2NT | ♣2 | -2 | -2 |
| -1.0 | Round 6 | 🏴 ENGLAND | 26 | 5♥ | ♦9 | +1 | -1 |
| -1.2 | Round 18 | 🏴 ENGLAND | 1 | 3♠ | ♣6 | = | +0 |
| -1.7 | Round 6 | 🏴 ENGLAND | 17 | 4♠ | ♥A | +1 | +0 |
| -1.8 | Round 18 | 🏴 ENGLAND | 3 | 3♦ | ♥2 | -1 | -3 |
| -1.8 | Round 18 | 🏴 ENGLAND | 6 | 3NT | ♦6 | +1 | +1 |
| -2.2 | Round 2 | 🇮🇹 ITALY | 23 | 4♥ | ♣5 | -1 | -6 |
| -2.3 | Round 8 | 🇩🇪 GERMANY | 32 | 3♥ | ♣Q | -1 | -4 |
| -2.8 | Round 18 | 🏴 ENGLAND | 14 | 6NT | ♠J | = | +11 |
| -3.0 | Round 6 | 🏴 ENGLAND | 25 | 3♠ | ♥K | +1 | -10 |
| -3.6 | Round 2 | 🇮🇹 ITALY | 29 | 4♠ | ♥6 | -1 | -6 |
| -3.6 | Round 5 | 🇵🇱 POLAND | 3 | 2♥ | ♣Q | -1 | +2 |
| -3.7 | Round 2 | 🇮🇹 ITALY | 20 | 3NT | ♥9 | -1 | -6 |
| -3.7 | Round 5 | 🇵🇱 POLAND | 15 | 4♥ | ♠4 | = | -6 |
| -3.7 | Round 18 | 🏴 ENGLAND | 16 | 4♠ | ♥4 | -1 | -6 |
| -3.8 | Round 8 | 🇩🇪 GERMANY | 21 | 3♠ | ♥6 | -1 | -5 |
| -4.0 | Round 8 | 🇩🇪 GERMANY | 27 | 5♦ | ♣J | -1 | -5 |
| -4.2 | Round 2 | 🇮🇹 ITALY | 18 | Adj. | ♣4 | +0 | |
| -4.2 | Round 6 | 🏴 ENGLAND | 24 | 3NT | ♠J | -2 | -6 |
| -4.3 | Round 8 | 🇩🇪 GERMANY | 30 | 4♠ | ♦J | -1 | -10 |
| -4.4 | Round 18 | 🏴 ENGLAND | 2 | 3NT | ♣8 | -2 | -11 |
| -4.6 | Round 8 | 🇩🇪 GERMANY | 23 | 2♠ | ♣J | +2 | -1 |
| -4.7 | Round 6 | 🏴 ENGLAND | 29 | 3NT | ♣5 | -1 | -12 |
| -5.3 | Round 5 | 🇵🇱 POLAND | 7 | 3NT | ♥J | +3 | -11 |
| -5.7 | Round 2 | 🇮🇹 ITALY | 31 | 4♠ | ♦4 | -1 | -10 |
| -5.9 | Round 8 | 🇩🇪 GERMANY | 24 | 3NT | ♦10 | -1 | -5 |
| -6.9 | Round 8 | 🇩🇪 GERMANY | 19 | 4♥ | ♦J | -1 | -10 |
| -7.1 | Round 6 | 🏴 ENGLAND | 21 | 3NT | ♣6 | = | +0 |
| -7.8 | Round 18 | 🏴 ENGLAND | 12 | 6♣ | ♦Q | = | -11 |
| -8.6 | Round 6 | 🏴 ENGLAND | 23 | 4♠ | ♦2 | -1 | -12 |
| -9.0 | Round 18 | 🏴 ENGLAND | 5 | 3NT | ♠8 | = | -3 |
| -9.6 | Round 6 | 🏴 ENGLAND | 30 | 4♥ | ♣K | -1 | -10 |
| -10.6 | Round 8 | 🇩🇪 GERMANY | 22 | 4♠ | ♦A | = | -10 |
| -11.6 | Round 8 | 🇩🇪 GERMANY | 18 | 6♠x | ♥A | = | -6 |
| -12.1 | Round 2 | 🇮🇹 ITALY | 26 | 3♣x | ♠10 | -3 | -12 |
| -12.3 | Round 6 | 🏴 ENGLAND | 32 | 3♦x | ♠Q | -3 | -12 |
| -12.9 | Round 2 | 🇮🇹 ITALY | 28 | 6♥ | ♠5 | = | +0 |
| -14.0 | Round 2 | 🇮🇹 ITALY | 30 | 6♠ | ♣2 | -1 | -17 |