BOS Berend van den · NETHERLANDS
vs par split: bidding -0.37 · play +0.11
Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted -0.50/bd
Card play — on target: opening leads 75.0% #317 of 579 · declarer play 100.0% #1 of 579 · defence 85.0% #341 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 83.3% (6) |
| Declarer play | 100.0% (3) | 100.0% (5) |
| Defence | 88.9% (9) | 81.8% (11) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (3) · ♦ 66.7% (3) · ♣ 60.0% (5)
vs par by strain: NT -0.36 (14) · a suit -0.19 (21)
vs par by level: part-score -0.62 (16) · game +0.50 (16) · slam -2.33 (3)
By role: declaring -0.81/bd (-3.67 vs par · 15) · defending -0.28/bd (+2.30 vs par · 20)
By vulnerability: vulnerable -0.27/bd (-0.33 vs par · 18) · not vulnerable -0.77/bd (-0.18 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Van Lankveld | A.Gromov – A.Dubinin | Open | 7 | +13.1 | +1.87 | -0.14 |
| Round 2 | J.Van Lankveld | W.Chan – P.Yeung | Open | 7 | -2.8 | -0.40 | -2.14 |
| Round 5 | J.Van Lankveld | J.Pelletier – D.Gerin | Open | 7 | -6.7 | -0.96 | -1.14 |
| Round 6 | J.Van Lankveld | W.Zeng – W.Chen | Open | 7 | -0.8 | -0.11 | +3.00 |
| Round 7 | D.Molenaar | J.He – P.Ouyang | Open | 7 | -20.6 | -2.94 | -0.86 |
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 |
|---|---|---|---|---|---|---|---|
| +8.6 | Round 2 | HEY YO | 11 | 6♦ | ♥K | +1 | +1 |
| +7.1 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 19 | 3NT | ♣6 | -4 | +7 |
| +5.5 | Round 5 | GUADELOUPE | 3 | 2♠x | ♣K | -1 | +2 |
| +5.0 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 12 | 3NT | ♠2 | -2 | +11 |
| +4.1 | Round 1 | BRIDGE 24 | 6 | 3NT | ♦Q | -1 | -2 |
| +3.0 | Round 1 | BRIDGE 24 | 7 | 3NT | ♥J | +1 | +0 |
| +2.6 | Round 1 | BRIDGE 24 | 4 | 1NT | ♣9 | -1 | -1 |
| +2.1 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 11 | 3♣ | ♥9 | +1 | +0 |
| +1.7 | Round 1 | BRIDGE 24 | 1 | 3♦ | ♠K | -3 | +6 |
| +1.6 | Round 1 | BRIDGE 24 | 3 | 2♣ | ♦9 | = | +1 |
| +1.5 | Round 2 | HEY YO | 8 | 2♠ | ♦9 | -1 | -2 |
| +1.1 | Round 2 | HEY YO | 13 | 4♥ | ♠A | +1 | +0 |
| +1.0 | Round 5 | GUADELOUPE | 7 | 4♠ | ♦2 | = | +0 |
| +0.4 | Round 5 | GUADELOUPE | 5 | 2♥ | ♣K | +1 | +0 |
| +0.4 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 14 | 5♠x | ♦K | -2 | +0 |
| +0.3 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 20 | 4♠ | ♦6 | +2 | -13 |
| +0.2 | Round 1 | BRIDGE 24 | 5 | 2♠ | ♠3 | +1 | +0 |
| +0.1 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 13 | 1NT | ♠K | -1 | +1 |
| -0.1 | Round 1 | BRIDGE 24 | 2 | 3NT | ♥10 | -1 | -5 |
| -1.0 | Round 2 | HEY YO | 12 | 2♠ | ♥A | -1 | +1 |
| -1.6 | Round 5 | GUADELOUPE | 2 | 3♥ | ♣J | +1 | -1 |
| -1.8 | Round 2 | HEY YO | 14 | 2♠ | ♦K | -1 | -4 |
| -2.0 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 9 | 4♥ | ♣A | +1 | +12 |
| -2.5 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 8 | 3NT | ♦J | = | +1 |
| -2.6 | Round 5 | GUADELOUPE | 1 | 3NT | ♥7 | +1 | -1 |
| -2.6 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 21 | 3♠ | ♥6 | = | +0 |
| -2.8 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 18 | 1NT | ♥5 | +1 | +1 |
| -2.9 | Round 5 | GUADELOUPE | 4 | 2♠ | ♣5 | +2 | -10 |
| -3.9 | Round 6 | BRIDGE ASSOCIATION OF FUJIAN P | 10 | 2NT | ♠K | -3 | -4 |
| -4.3 | Round 2 | HEY YO | 10 | 3NT | ♣9 | +2 | -1 |
| -4.9 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 15 | 4♠ | ♥7 | +2 | +11 |
| -5.6 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 16 | 3NT | ♦4 | = | +0 |
| -6.5 | Round 5 | GUADELOUPE | 6 | 7♣ | ♥J | = | +2 |
| -6.9 | Round 2 | HEY YO | 9 | 6♣ | ♦K | -1 | -10 |
| -12.1 | Round 7 | YUFENG ELECTRIC POWER BRIDGE T | 17 | 3NTx | ♦A | -3 | -12 |