🇳🇱 HARTSUIKER Koen · NETHERLANDS
vs par split: bidding -0.02 · play -1.88
Strength of schedule: opponents averaged +0.62/bd (a tough draw) → opponent-adjusted -1.75/bd
Card play — on target: opening leads 85.7% · declarer play 58.3% · defence 70.6%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 85.7% (7) |
| Declarer play | 66.7% (3) | 55.6% (9) |
| Defence | 81.8% (11) | 65.2% (23) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 75.0% (4) · ♦ 80.0% (5) · ♣ 100.0% (2)
vs par by strain: NT +0.50 (14) · a suit -2.69 (42)
vs par by level: part-score -1.35 (17) · game -3.09 (35) · slam +6.25 (4)
By role: declaring -2.20/bd (-4.73 vs par · 22) · defending -2.48/bd (-0.06 vs par · 34)
By vulnerability: vulnerable -2.44/bd (-1.43 vs par · 28) · not vulnerable -2.30/bd (-2.36 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Westerveld | O.Selby – H.Madden | Closed | 14 | -43.9 | -3.14 | -5.86 |
| Round 5 | T.Westerveld | M.Kedzierski – M.Sluszniak | Closed | 14 | -34.4 | -2.46 | +1.29 |
| Round 7 | T.Westerveld | A.Imawan – L.Gunardi | Closed | 14 | -9.3 | -0.66 | -0.29 |
| Round 10 | T.Westerveld | R.Guth – H.Rabourdin | Closed | 14 | -45.3 | -3.24 | -2.71 |
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 |
|---|---|---|---|---|---|---|---|
| +5.9 | Round 5 | 🇵🇱 POLAND | 15 | 4♥ | ♣9 | +1 | +1 |
| +5.8 | Round 7 | 🇮🇩 INDONESIA | 22 | 4♠ | ♥8 | +3 | +14 |
| +4.9 | Round 7 | 🇮🇩 INDONESIA | 27 | 3♥ | ♦9 | -2 | +6 |
| +4.7 | Round 1 | 🏴 ENGLAND | 1 | 3NT | ♦4 | -1 | +10 |
| +4.5 | Round 5 | 🇵🇱 POLAND | 19 | 6♥ | ♣9 | +1 | +1 |
| +4.3 | Round 1 | 🏴 ENGLAND | 6 | 3♠ | ♦K | = | -8 |
| +4.2 | Round 10 | 🇫🇷 FRANCE | 20 | 2♦ | ♣7 | +3 | +10 |
| +3.8 | Round 1 | 🏴 ENGLAND | 3 | 3NT | ♣Q | = | -1 |
| +3.5 | Round 7 | 🇮🇩 INDONESIA | 28 | 6NT | ♥7 | +1 | +13 |
| +3.2 | Round 7 | 🇮🇩 INDONESIA | 16 | 3♠ | ♥2 | -1 | +4 |
| +3.2 | Round 10 | 🇫🇷 FRANCE | 24 | 4♥ | ♣7 | -1 | +4 |
| +2.8 | Round 7 | 🇮🇩 INDONESIA | 15 | 4♥ | ♠4 | = | -1 |
| +2.6 | Round 10 | 🇫🇷 FRANCE | 22 | 3♣ | ♦2 | -1 | -6 |
| +2.4 | Round 7 | 🇮🇩 INDONESIA | 21 | 4♠ | ♦A | +1 | -8 |
| +1.5 | Round 5 | 🇵🇱 POLAND | 27 | 4♠ | ♥6 | = | +3 |
| +0.8 | Round 7 | 🇮🇩 INDONESIA | 25 | 4♦ | ♣A | -1 | -5 |
| +0.6 | Round 10 | 🇫🇷 FRANCE | 28 | 4♥ | ♦8 | = | +0 |
| -1.1 | Round 1 | 🏴 ENGLAND | 5 | 2♠ | ♣A | = | -1 |
| -1.2 | Round 10 | 🇫🇷 FRANCE | 21 | 2♥ | ♠Q | +1 | -1 |
| -1.5 | Round 7 | 🇮🇩 INDONESIA | 19 | 2♣ | ♥2 | +1 | +0 |
| -1.6 | Round 10 | 🇫🇷 FRANCE | 17 | 4♥ | ♠K | = | -3 |
| -1.8 | Round 7 | 🇮🇩 INDONESIA | 18 | 1♥ | ♥J | +2 | +0 |
| -1.9 | Round 1 | 🏴 ENGLAND | 7 | 5♦ | ♣A | -1 | -3 |
| -1.9 | Round 5 | 🇵🇱 POLAND | 16 | 3NT | ♠3 | +3 | +11 |
| -2.0 | Round 10 | 🇫🇷 FRANCE | 26 | 4♥ | ♣A | +1 | -1 |
| -2.2 | Round 5 | 🇵🇱 POLAND | 22 | 4NT | ♦5 | = | +1 |
| -2.2 | Round 10 | 🇫🇷 FRANCE | 19 | 4NT | ♠A | = | -1 |
| -2.4 | Round 1 | 🏴 ENGLAND | 9 | 4♠ | ♣4 | +2 | -1 |
| -2.4 | Round 7 | 🇮🇩 INDONESIA | 26 | 4♥ | ♠2 | = | +1 |
| -2.4 | Round 10 | 🇫🇷 FRANCE | 27 | 4♥ | ♦7 | +2 | -1 |
| -2.5 | Round 5 | 🇵🇱 POLAND | 20 | 2♥ | ♠J | -3 | +8 |
| -3.0 | Round 5 | 🇵🇱 POLAND | 21 | 3NT | ♠3 | +1 | +0 |
| -3.2 | Round 1 | 🏴 ENGLAND | 11 | 2♥ | ♠2 | +2 | -1 |
| -3.3 | Round 5 | 🇵🇱 POLAND | 25 | 3♠ | ♥A | = | +0 |
| -3.4 | Round 7 | 🇮🇩 INDONESIA | 20 | 5♦x | ♠10 | -3 | -4 |
| -3.7 | Round 1 | 🏴 ENGLAND | 12 | 3NT | ♦A | = | -10 |
| -3.7 | Round 5 | 🇵🇱 POLAND | 17 | 3NT | ♥3 | +2 | +10 |
| -3.9 | Round 5 | 🇵🇱 POLAND | 23 | 2♠ | ♣K | = | +0 |
| -4.5 | Round 1 | 🏴 ENGLAND | 4 | 3NT | ♠6 | +4 | -17 |
| -4.5 | Round 7 | 🇮🇩 INDONESIA | 17 | 3NT | ♠3 | +1 | -4 |
| -4.6 | Round 1 | 🏴 ENGLAND | 8 | 2♣ | ♦A | +1 | -9 |
| -4.8 | Round 10 | 🇫🇷 FRANCE | 15 | 5♣ | ♦8 | = | -10 |
| -4.8 | Round 10 | 🇫🇷 FRANCE | 25 | 6NT | ♠7 | +1 | +11 |
| -5.8 | Round 5 | 🇵🇱 POLAND | 24 | 4♥ | ♠A | = | -7 |
| -5.9 | Round 1 | 🏴 ENGLAND | 10 | 3♥ | ♣Q | -1 | -6 |
| -6.0 | Round 5 | 🇵🇱 POLAND | 18 | 6♦ | ♠10 | = | +0 |
| -6.2 | Round 5 | 🇵🇱 POLAND | 28 | 4♥ | ♥3 | -1 | -10 |
| -7.8 | Round 5 | 🇵🇱 POLAND | 26 | 5♦x | ♦3 | -2 | +0 |
| -8.0 | Round 7 | 🇮🇩 INDONESIA | 23 | 3NT | ♠8 | -1 | -6 |
| -8.2 | Round 1 | 🏴 ENGLAND | 2 | 4♥x | ♠A | = | -10 |
| -9.5 | Round 1 | 🏴 ENGLAND | 14 | 5♥x | ♦2 | = | -13 |
| -11.1 | Round 7 | 🇮🇩 INDONESIA | 24 | 4♠ | ♣5 | +3 | -14 |
| -11.6 | Round 10 | 🇫🇷 FRANCE | 18 | 3NT | ♦A | = | -10 |
| -11.6 | Round 10 | 🇫🇷 FRANCE | 23 | 4♥x | ♣8 | -3 | -16 |
| -11.7 | Round 1 | 🏴 ENGLAND | 13 | 4♥x | ♣4 | = | -12 |
| -13.7 | Round 10 | 🇫🇷 FRANCE | 16 | 3♠x | ♥K | -4 | -14 |