VAN OS Maarten · LEIDSCHENHAGE
vs par split: bidding +0.07 · play -0.48
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted -0.14/bd
Card play — on target: opening leads 81.4% #285 of 694 · declarer play 68.3% #539 of 694 · defence 75.7% #632 of 695
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 90.0% (10) | 78.8% (33) |
| Declarer play | 62.5% (8) | 69.7% (33) |
| Defence | 75.0% (20) | 76.0% (50) |
Opening leads by suit led: ♠ 90.9% (11) · ♥ 57.1% (7) · ♦ 75.0% (16) · ♣ 100.0% (9)
vs par by strain: NT +0.05 (40) · a suit -0.58 (110)
vs par by level: part-score -0.14 (59) · game +0.01 (82) · slam -6.11 (9)
By role: declaring -0.77/bd (-2.96 vs par · 80) · defending +0.45/bd (+2.50 vs par · 70)
By vulnerability: vulnerable -0.67/bd (-1.40 vs par · 75) · not vulnerable +0.28/bd (+0.57 vs par · 75)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Worm | J.Wilkinson – S.Newton | Closed | 10 | +9.3 | +0.93 | +2.00 |
| Round 2 | P.Worm | L.Lantaron – F.Goded | Open | 10 | -8.3 | -0.83 | -1.40 |
| Round 3 | P.Worm | F.Van Gorp – R.Coppens | Open | 10 | +25.7 | +2.57 | +2.90 |
| Round 4 | P.Worm | J.Kotorowicz – P.Miechowicz | Open | 10 | -0.7 | -0.07 | +1.10 |
| Round 5 | P.Worm | B.Lund – P.Austberg | Closed | 10 | -22.0 | -2.20 | -1.40 |
| Round 6 | P.Worm | A.Maddocks – A.Hogg | Closed | 10 | -1.8 | -0.18 | +0.10 |
| Round 7 | P.Worm | M.Severgnini – A.Soresini | Open | 10 | +15.4 | +1.54 | -0.20 |
| Round 8 | P.Worm | M.Lebel – P.Soulet | Open | 10 | -1.0 | -0.10 | +2.10 |
| Round 9 | P.Worm | F.Hinden – G.Osborne | Open | 10 | +5.4 | +0.54 | +0.20 |
| Round 10 | P.Worm | P.Van Der Stap – R.Dankers | Closed | 10 | -7.4 | -0.74 | -2.00 |
| Round 11 | P.Worm | J.Upmark – P.Bertheau | Open | 10 | -24.9 | -2.49 | -5.10 |
| Round 12 | P.Worm | A.Ivanov – N.Barantiev | Open | 10 | -26.9 | -2.69 | -7.70 |
| Round 13 | P.Worm | S.Mello – P.Correa | Closed | 10 | +11.8 | +1.18 | +2.00 |
| Round 14 | P.Worm | J.Harsanyi – R.Marsal | Closed | 10 | +14.4 | +1.44 | +2.00 |
| Round 15 | P.Worm | M.Cichocki – K.Pikus | Closed | 10 | -18.7 | -1.87 | -0.80 |
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 |
|---|---|---|---|---|---|---|---|
| +12.6 | Round 10 | DELFT BREW | 4 | 3NTx | ♠7 | -3 | +14 |
| +12.6 | Round 14 | GERMANY GREEN | 13 | 6♦ | ♠J | -2 | +17 |
| +9.9 | Round 3 | COPPENS | 26 | 3♠x | ♠Q | -3 | +12 |
| +9.6 | Round 2 | LANTARON | 14 | 3NT | ♣8 | = | +11 |
| +9.2 | Round 4 | POLAND | 1 | 4♥x | ♦A | = | +12 |
| +8.9 | Round 3 | COPPENS | 30 | 4♠ | ♦K | +1 | +8 |
| +7.8 | Round 13 | RIO | 8 | 2♣x | ♠2 | -3 | +3 |
| +7.4 | Round 1 | WANZAC | 3 | 3♣ | ♠J | +1 | +10 |
| +6.8 | Round 13 | RIO | 7 | 4♠ | ♥K | = | +10 |
| +6.2 | Round 14 | GERMANY GREEN | 16 | 4♥x | ♠A | -1 | +9 |
| +6.1 | Round 10 | DELFT BREW | 5 | 4♥ | ♠A | = | +8 |
| +5.5 | Round 3 | COPPENS | 28 | 5♥ | ♠K | -1 | +8 |
| +5.5 | Round 6 | TOWERS | 21 | 4♠ | ♣10 | -1 | +5 |
| +5.4 | Round 11 | SWEDENPLUS | 11 | 6NT | ♠3 | = | +0 |
| +5.4 | Round 12 | CHATEAU ROSSENOVO | 24 | 6♥ | ♦A | = | +0 |
| +5.3 | Round 6 | TOWERS | 26 | 5♣ | ♠3 | -2 | +7 |
| +5.2 | Round 7 | ITALY CBC GENTILI | 1 | 4♠ | ♣J | = | +0 |
| +5.1 | Round 1 | WANZAC | 1 | 3NT | ♠K | -5 | +8 |
| +5.1 | Round 7 | ITALY CBC GENTILI | 8 | 5♠ | ♥K | +1 | +11 |
| +4.7 | Round 13 | RIO | 3 | 3♥ | ♠K | -2 | +7 |
| +4.4 | Round 9 | DHONDY | 26 | 4♥ | ♦9 | -1 | +17 |
| +4.3 | Round 8 | PAYEN | 16 | 3NT | ♠3 | -2 | +12 |
| +4.1 | Round 4 | POLAND | 10 | 6♠ | ♥10 | = | +0 |
| +3.7 | Round 10 | DELFT BREW | 7 | 4♣ | ♥A | -3 | +4 |
| +3.7 | Round 14 | GERMANY GREEN | 20 | 3NT | ♣2 | -1 | +12 |
| +3.4 | Round 8 | PAYEN | 14 | 4♥ | ♠2 | -2 | +5 |
| +3.4 | Round 9 | DHONDY | 25 | 2♦ | ♥K | +1 | +5 |
| +3.3 | Round 11 | SWEDENPLUS | 17 | 5♥ | ♣3 | -2 | +5 |
| +3.1 | Round 9 | DHONDY | 24 | 2♠ | ♦3 | = | +0 |
| +2.9 | Round 1 | WANZAC | 7 | 3NT | ♥3 | +1 | +1 |
| +2.8 | Round 4 | POLAND | 9 | 4♥ | ♦K | -1 | +6 |
| +2.6 | Round 2 | LANTARON | 18 | 3NT | ♠4 | -2 | +6 |
| +2.6 | Round 3 | COPPENS | 22 | 2♦ | ♠J | -1 | +5 |
| +2.4 | Round 5 | BLUND | 13 | 4♥ | ♦2 | +3 | +12 |
| +2.3 | Round 7 | ITALY CBC GENTILI | 4 | 2♦ | ♣Q | = | -1 |
| +2.3 | Round 8 | PAYEN | 17 | 1NT | ♠4 | = | +5 |
| +2.3 | Round 12 | CHATEAU ROSSENOVO | 22 | 3♣ | ♣9 | +1 | +0 |
| +2.1 | Round 3 | COPPENS | 25 | 3♦ | ♠3 | +1 | +0 |
| +2.1 | Round 7 | ITALY CBC GENTILI | 9 | 3NT | ♥Q | = | +0 |
| +2.0 | Round 13 | RIO | 9 | 3NT | ♣7 | = | +13 |
| +1.8 | Round 1 | WANZAC | 9 | 2NT | ♦4 | -1 | +5 |
| +1.6 | Round 1 | WANZAC | 6 | 2♠ | ♥4 | -1 | +11 |
| +1.6 | Round 15 | SIWIK MRAGOWO | 27 | 5♦x | ♦2 | -2 | +4 |
| +1.5 | Round 1 | WANZAC | 2 | 4♥ | ♠K | -1 | -2 |
| +1.5 | Round 7 | ITALY CBC GENTILI | 3 | 3NT | ♦2 | +2 | +2 |
| +1.5 | Round 8 | PAYEN | 18 | 5♠ | ♥A | = | +0 |
| +1.4 | Round 5 | BLUND | 18 | 2♦ | ♦2 | -1 | -2 |
| +1.4 | Round 9 | DHONDY | 30 | 1NT | ♠4 | +1 | +7 |
| +1.3 | Round 3 | COPPENS | 21 | 3NT | ♥10 | = | +0 |
| +1.3 | Round 9 | DHONDY | 22 | 4♥ | ♠K | +2 | +1 |
| +1.2 | Round 1 | WANZAC | 5 | 2♣ | ♠2 | +1 | +0 |
| +1.1 | Round 6 | TOWERS | 22 | 1NT | ♣5 | = | -8 |
| +1.1 | Round 15 | SIWIK MRAGOWO | 22 | 4♠ | ♥4 | +1 | +1 |
| +1.0 | Round 6 | TOWERS | 28 | 3♠ | ♦2 | -1 | +4 |
| +1.0 | Round 8 | PAYEN | 19 | 4♠ | ♣6 | -1 | +5 |
| +0.8 | Round 6 | TOWERS | 23 | 4♥ | ♥5 | = | -1 |
| +0.8 | Round 12 | CHATEAU ROSSENOVO | 21 | 3NT | ♠4 | +2 | -12 |
| +0.7 | Round 4 | POLAND | 7 | 2♠ | ♦2 | = | +0 |
| +0.7 | Round 7 | ITALY CBC GENTILI | 7 | 4♠ | ♥K | = | +0 |
| +0.7 | Round 10 | DELFT BREW | 1 | 3NT | ♥3 | +2 | +0 |
| +0.7 | Round 14 | GERMANY GREEN | 17 | 6♣ | ♦8 | = | -11 |
| +0.6 | Round 1 | WANZAC | 10 | 3♥ | ♦A | -2 | +2 |
| +0.6 | Round 9 | DHONDY | 28 | 4♥ | ♣K | +2 | -12 |
| +0.5 | Round 7 | ITALY CBC GENTILI | 6 | 2♠ | ♥3 | -2 | +5 |
| +0.5 | Round 8 | PAYEN | 15 | 4♠ | ♠2 | +1 | +0 |
| +0.5 | Round 12 | CHATEAU ROSSENOVO | 27 | 4♥ | ♠A | = | -1 |
| +0.5 | Round 15 | SIWIK MRAGOWO | 28 | 3NT | ♦2 | +2 | +0 |
| +0.3 | Round 5 | BLUND | 11 | 4♠ | ♠7 | = | +0 |
| +0.3 | Round 13 | RIO | 1 | 3NT | ♥10 | +1 | -1 |
| +0.2 | Round 2 | LANTARON | 20 | 5♦x | ♥7 | -1 | -12 |
| +0.2 | Round 13 | RIO | 6 | 3♥ | ♠A | +1 | -6 |
| +0.2 | Round 15 | SIWIK MRAGOWO | 26 | 4♠ | ♦J | = | +0 |
| +0.1 | Round 5 | BLUND | 16 | 5♥ | ♠2 | +1 | +1 |
| +0.1 | Round 14 | GERMANY GREEN | 12 | 3♠ | ♦K | -1 | -2 |
| +0.0 | Round 5 | BLUND | 12 | 4♥ | ♦2 | +1 | +0 |
| -0.0 | Round 9 | DHONDY | 21 | 2♠ | ♥J | +3 | -2 |
| +0.0 | Round 13 | RIO | 2 | 2♥ | ♦Q | +2 | -8 |
| -0.1 | Round 14 | GERMANY GREEN | 19 | 4♠ | ♣10 | +1 | +0 |
| -0.2 | Round 4 | POLAND | 5 | 5♥ | ♣A | -2 | +5 |
| -0.2 | Round 7 | ITALY CBC GENTILI | 2 | 3NT | ♣Q | +2 | -1 |
| -0.2 | Round 10 | DELFT BREW | 8 | 3♠ | ♦5 | = | -6 |
| -0.2 | Round 15 | SIWIK MRAGOWO | 25 | 2♠ | ♦Q | +3 | +9 |
| -0.3 | Round 2 | LANTARON | 19 | 2♥ | ♠A | -2 | +9 |
| -0.3 | Round 3 | COPPENS | 29 | 1NT | ♠5 | -1 | +1 |
| -0.3 | Round 6 | TOWERS | 30 | 2♦ | ♣7 | = | +1 |
| -0.4 | Round 8 | PAYEN | 11 | 3♣ | ♣3 | = | +1 |
| -0.4 | Round 10 | DELFT BREW | 10 | 1♣ | ♥3 | +4 | -1 |
| -0.4 | Round 11 | SWEDENPLUS | 15 | 4♥ | ♠J | = | +0 |
| -0.4 | Round 13 | RIO | 5 | 3NT | ♣2 | = | +1 |
| -0.5 | Round 3 | COPPENS | 23 | 3♣ | ♠Q | +1 | +0 |
| -0.5 | Round 5 | BLUND | 19 | 2♣ | ♦2 | = | -7 |
| -0.5 | Round 7 | ITALY CBC GENTILI | 5 | 2♥ | ♣5 | = | -1 |
| -0.6 | Round 1 | WANZAC | 8 | 2♠ | ♣8 | -1 | +2 |
| -0.6 | Round 14 | GERMANY GREEN | 14 | 3NT | ♦4 | +1 | +11 |
| -0.7 | Round 3 | COPPENS | 27 | 1NT | ♥2 | +2 | +0 |
| -0.7 | Round 6 | TOWERS | 25 | 2♥ | ♦A | -1 | +1 |
| -1.0 | Round 2 | LANTARON | 12 | 3♥ | ♣8 | = | +0 |
| -1.0 | Round 4 | POLAND | 2 | 3♦ | ♥3 | -2 | +6 |
| -1.0 | Round 15 | SIWIK MRAGOWO | 29 | 4♠ | ♥5 | +1 | +0 |
| -1.1 | Round 9 | DHONDY | 29 | 3NT | ♠J | +1 | +1 |
| -1.2 | Round 14 | GERMANY GREEN | 15 | 2♠ | ♦K | +1 | -6 |
| -1.3 | Round 7 | ITALY CBC GENTILI | 10 | 4♥ | ♦10 | +2 | -17 |
| -1.4 | Round 4 | POLAND | 4 | 4♥ | ♠A | +2 | -2 |
| -1.4 | Round 11 | SWEDENPLUS | 13 | 4♥ | ♠3 | = | +1 |
| -1.5 | Round 5 | BLUND | 17 | 3♣ | ♦J | = | +0 |
| -1.6 | Round 9 | DHONDY | 27 | 3NT | ♦Q | = | -3 |
| -1.7 | Round 8 | PAYEN | 12 | 3♠ | ♥A | +1 | +1 |
| -1.7 | Round 13 | RIO | 4 | 1NT | ♠J | -1 | +1 |
| -1.8 | Round 14 | GERMANY GREEN | 11 | 2♦ | ♥K | +1 | +0 |
| -1.9 | Round 11 | SWEDENPLUS | 20 | 4♠ | ♥A | +1 | -13 |
| -2.0 | Round 2 | LANTARON | 15 | 4♣ | ♦A | = | +0 |
| -2.0 | Round 11 | SWEDENPLUS | 14 | 2♠ | ♥A | +1 | -7 |
| -2.0 | Round 15 | SIWIK MRAGOWO | 24 | 4♠ | ♥5 | +2 | -1 |
| -2.1 | Round 5 | BLUND | 14 | 2NT | ♠6 | = | +0 |
| -2.6 | Round 2 | LANTARON | 13 | 3NT | ♠5 | +1 | -13 |
| -2.6 | Round 11 | SWEDENPLUS | 16 | 3NT | ♠3 | -2 | -11 |
| -3.0 | Round 12 | CHATEAU ROSSENOVO | 25 | 3♦ | ♦5 | +1 | -7 |
| -3.0 | Round 15 | SIWIK MRAGOWO | 30 | 3NT | ♣7 | +2 | +0 |
| -3.1 | Round 3 | COPPENS | 24 | 2♠ | ♥9 | = | -5 |
| -3.1 | Round 12 | CHATEAU ROSSENOVO | 29 | 6NT | ♠7 | +1 | -13 |
| -3.3 | Round 10 | DELFT BREW | 3 | 2♠ | ♦7 | = | -5 |
| -3.7 | Round 2 | LANTARON | 11 | 3♦ | ♥7 | = | -5 |
| -3.7 | Round 6 | TOWERS | 24 | 2♦ | ♦2 | = | -8 |
| -3.9 | Round 4 | POLAND | 8 | 3♦ | ♦8 | = | -5 |
| -3.9 | Round 6 | TOWERS | 29 | 4♠ | ♣6 | = | +1 |
| -4.5 | Round 8 | PAYEN | 20 | 4♥ | ♣9 | +1 | -1 |
| -4.7 | Round 15 | SIWIK MRAGOWO | 23 | 5♣x | ♦7 | -1 | -8 |
| -5.0 | Round 11 | SWEDENPLUS | 12 | 3NT | ♥K | = | +0 |
| -5.2 | Round 14 | GERMANY GREEN | 18 | 3♠ | ♣5 | -1 | -10 |
| -5.4 | Round 2 | LANTARON | 17 | 3♠x | ♣4 | -2 | -5 |
| -5.4 | Round 4 | POLAND | 6 | 5♥x | ♥3 | -4 | -4 |
| -5.5 | Round 12 | CHATEAU ROSSENOVO | 23 | 3♦ | ♦7 | = | -11 |
| -5.6 | Round 4 | POLAND | 3 | 5♠x | ♠2 | -1 | -7 |
| -5.7 | Round 2 | LANTARON | 16 | 5♠x | ♥4 | -2 | -5 |
| -6.1 | Round 9 | DHONDY | 23 | 4♥ | ♣7 | -1 | -12 |
| -6.6 | Round 12 | CHATEAU ROSSENOVO | 28 | 3NT | ♥K | -2 | -8 |
| -6.8 | Round 10 | DELFT BREW | 2 | 3NT | ♠9 | -2 | -13 |
| -6.9 | Round 6 | TOWERS | 27 | 3NT | ♥5 | +1 | -1 |
| -7.1 | Round 5 | BLUND | 20 | 3NT | ♠Q | +1 | -1 |
| -7.4 | Round 8 | PAYEN | 13 | 3♥ | ♦7 | +2 | -7 |
| -7.9 | Round 13 | RIO | 10 | 4♠ | ♦10 | = | +0 |
| -8.0 | Round 12 | CHATEAU ROSSENOVO | 30 | 6♥ | ♦A | -1 | -14 |
| -9.2 | Round 10 | DELFT BREW | 6 | 5♦ | ♦2 | -3 | -11 |
| -9.7 | Round 12 | CHATEAU ROSSENOVO | 26 | 4♥ | ♣3 | -4 | -11 |
| -9.9 | Round 11 | SWEDENPLUS | 19 | 3NT | ♣3 | -1 | -14 |
| -10.4 | Round 11 | SWEDENPLUS | 18 | 4♠ | ♦5 | -2 | -12 |
| -10.6 | Round 10 | DELFT BREW | 9 | 3NT | ♥3 | = | -10 |
| -11.2 | Round 15 | SIWIK MRAGOWO | 21 | 5♦ | ♣5 | -1 | -13 |
| -12.2 | Round 1 | WANZAC | 4 | 6♥ | ♣4 | -1 | -17 |
| -15.0 | Round 5 | BLUND | 15 | 7♥x | ♣J | -1 | -17 |