BOS Berend van den · DUTCH WORLD YOUTH CH
vs par split: bidding -0.49 · play +0.53
Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.86/bd
Card play — on target: opening leads 72.2% #358 of 469 · declarer play 78.6% #154 of 469 · defence 93.1% #28 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 66.7% (15) |
| Declarer play | 33.3% (3) | 90.9% (11) |
| Defence | 100.0% (7) | 90.9% (22) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 85.7% (7) · ♣ 42.9% (7)
vs par by strain: NT +0.78 (18) · a suit -0.21 (52)
vs par by level: part-score +0.26 (23) · game +0.41 (39) · slam -2.38 (8)
By role: declaring +0.75/bd (-2.05 vs par · 41) · defending +1.04/bd (+3.00 vs par · 29)
By vulnerability: vulnerable +1.05/bd (+1.16 vs par · 37) · not vulnerable +0.67/bd (-1.21 vs par · 33)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | J.Van Lankveld | P.Mcleish – D.Mcleish | Closed | 10 | +24.9 | +2.49 | +1.30 |
| Round 7 | J.Van Lankveld | A.Zhu – H.Ren | Open | 10 | -7.2 | -0.72 | -0.60 |
| Round 8 | J.Van Lankveld | H.Melbourne – B.Travis | Closed | 10 | +16.9 | +1.69 | -2.80 |
| Round 10 | J.Van Lankveld | A.Soebroto – K.Kamto | Open | 10 | +9.6 | +0.96 | +1.20 |
| Round 12 | J.Van Lankveld | S.Dewi – K.Murniati | Closed | 10 | -8.1 | -0.81 | +2.10 |
| Round 13 | J.Van Lankveld | S.Afriani – Y.Wirahma | Open | 10 | +15.2 | +1.52 | +0.10 |
| Round 15 | J.Kasprzyk | P.Goodman – A.Machale | Closed | 10 | +9.7 | +0.97 | -1.00 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 13 | TELKOM UNIVERSITY | 8 | 6NTx | ♦K | -1 | +11 |
| +9.3 | Round 8 | SYDNEY | 12 | 5♦x | ♦2 | +1 | +8 |
| +9.0 | Round 5 | MYXOZ | 19 | 4♠ | ♣2 | -2 | +11 |
| +9.0 | Round 10 | DJARUM BRIDGE CLUB | 10 | 4♥ | ♦3 | = | +10 |
| +8.9 | Round 15 | MACHALE | 29 | 4♠x | ♥K | -2 | +8 |
| +7.5 | Round 5 | MYXOZ | 17 | 6♥ | ♣2 | = | +0 |
| +7.5 | Round 12 | INA LADIES DJARUM LA | 24 | 4♠ | ♦Q | = | +11 |
| +7.3 | Round 15 | MACHALE | 25 | 4♠ | ♣K | -3 | +9 |
| +6.2 | Round 7 | TIANYA BRIDGE FATE | 3 | 3♠ | ♥A | = | +11 |
| +5.6 | Round 10 | DJARUM BRIDGE CLUB | 9 | 1NTx | ♦J | -2 | +5 |
| +5.6 | Round 12 | INA LADIES DJARUM LA | 26 | 5♦ | ♠A | = | +9 |
| +5.4 | Round 8 | SYDNEY | 19 | 4♠ | ♣Q | = | -1 |
| +5.4 | Round 10 | DJARUM BRIDGE CLUB | 7 | 2♠ | ♣3 | -3 | +4 |
| +4.9 | Round 13 | TELKOM UNIVERSITY | 4 | 3NT | ♠K | -1 | +12 |
| +4.7 | Round 13 | TELKOM UNIVERSITY | 10 | 6♣ | ♠J | = | -2 |
| +4.5 | Round 5 | MYXOZ | 15 | 3NT | ♣2 | -2 | +8 |
| +4.4 | Round 8 | SYDNEY | 13 | 3♥ | ♣Q | -2 | +3 |
| +3.9 | Round 13 | TELKOM UNIVERSITY | 1 | 4♠ | ♥2 | +1 | +1 |
| +3.7 | Round 8 | SYDNEY | 17 | 4♥ | ♠K | = | -14 |
| +3.6 | Round 5 | MYXOZ | 13 | 4♠ | ♣2 | -1 | +6 |
| +3.5 | Round 10 | DJARUM BRIDGE CLUB | 8 | 2♠ | ♣J | -4 | +3 |
| +3.4 | Round 5 | MYXOZ | 16 | 2♠ | ♣2 | = | +5 |
| +3.3 | Round 5 | MYXOZ | 11 | 3NT | ♣2 | +1 | +0 |
| +2.5 | Round 15 | MACHALE | 27 | 1NT | ♠2 | = | +0 |
| +2.0 | Round 7 | TIANYA BRIDGE FATE | 4 | 3♥ | ♣5 | -2 | +3 |
| +2.0 | Round 13 | TELKOM UNIVERSITY | 2 | 3NT | ♠3 | +1 | +1 |
| +1.9 | Round 7 | TIANYA BRIDGE FATE | 7 | 4♥ | ♣4 | = | +0 |
| +1.8 | Round 10 | DJARUM BRIDGE CLUB | 5 | 3NT | ♣3 | = | -1 |
| +1.6 | Round 13 | TELKOM UNIVERSITY | 3 | 1NT | ♦5 | +2 | +6 |
| +1.5 | Round 12 | INA LADIES DJARUM LA | 27 | 7NT | ♦7 | = | +0 |
| +1.4 | Round 10 | DJARUM BRIDGE CLUB | 3 | 3NT | ♦10 | -2 | -2 |
| +1.2 | Round 7 | TIANYA BRIDGE FATE | 6 | 4♥ | ♦8 | +1 | +0 |
| +1.2 | Round 7 | TIANYA BRIDGE FATE | 9 | 2♠ | ♦Q | +1 | +0 |
| +1.1 | Round 5 | MYXOZ | 12 | 4♥ | ♣2 | = | -1 |
| +1.0 | Round 15 | MACHALE | 28 | 4♥ | ♦K | +2 | -12 |
| +0.9 | Round 8 | SYDNEY | 14 | 3♥ | ♦Q | -2 | -1 |
| +0.9 | Round 12 | INA LADIES DJARUM LA | 28 | 5♥ | ♦A | +1 | +11 |
| +0.6 | Round 7 | TIANYA BRIDGE FATE | 10 | 2♠ | ♣10 | = | -1 |
| +0.6 | Round 12 | INA LADIES DJARUM LA | 25 | 4♥ | ♣3 | = | +0 |
| +0.5 | Round 8 | SYDNEY | 11 | 3NT | ♠4 | +1 | -10 |
| +0.1 | Round 15 | MACHALE | 30 | 3NT | ♣A | +2 | -1 |
| -0.2 | Round 5 | MYXOZ | 14 | 4♥ | ♣2 | +1 | +1 |
| -0.3 | Round 15 | MACHALE | 22 | 2♠ | ♣K | -1 | -7 |
| -0.4 | Round 7 | TIANYA BRIDGE FATE | 5 | 2NT | ♣3 | = | -1 |
| -0.5 | Round 15 | MACHALE | 24 | 4♠ | ♦K | +1 | +0 |
| -0.7 | Round 8 | SYDNEY | 20 | 1♥ | ♣K | +3 | -1 |
| -0.7 | Round 15 | MACHALE | 23 | 3♥ | ♦4 | -1 | +6 |
| -0.8 | Round 12 | INA LADIES DJARUM LA | 23 | 3NT | ♥J | = | +13 |
| -0.9 | Round 5 | MYXOZ | 18 | 5♣ | ♣2 | -1 | -10 |
| -1.5 | Round 8 | SYDNEY | 18 | 1NT | ♣5 | +3 | -10 |
| -2.0 | Round 13 | TELKOM UNIVERSITY | 5 | 3NT | ♥4 | -1 | -10 |
| -2.1 | Round 10 | DJARUM BRIDGE CLUB | 6 | 4♥ | ♦2 | +1 | -1 |
| -2.2 | Round 8 | SYDNEY | 15 | 3♦ | ♣2 | -2 | +5 |
| -2.4 | Round 10 | DJARUM BRIDGE CLUB | 2 | 4♥ | ♠8 | -1 | +2 |
| -2.7 | Round 12 | INA LADIES DJARUM LA | 22 | 5♦ | ♥3 | -1 | -5 |
| -2.8 | Round 7 | TIANYA BRIDGE FATE | 8 | 4♠ | ♣4 | +1 | +0 |
| -2.9 | Round 8 | SYDNEY | 16 | 5♦ | ♣J | = | -7 |
| -2.9 | Round 13 | TELKOM UNIVERSITY | 9 | 4♠ | ♠4 | +1 | +0 |
| -3.0 | Round 13 | TELKOM UNIVERSITY | 7 | 2♥ | ♣Q | +2 | -1 |
| -3.1 | Round 12 | INA LADIES DJARUM LA | 21 | 2♦x | ♥J | -1 | -2 |
| -3.7 | Round 10 | DJARUM BRIDGE CLUB | 4 | 3♥ | ♣K | -2 | -8 |
| -4.1 | Round 15 | MACHALE | 21 | 3♠ | ♥K | -1 | -6 |
| -4.5 | Round 15 | MACHALE | 26 | 3♥ | ♦A | = | -7 |
| -4.6 | Round 13 | TELKOM UNIVERSITY | 6 | 4♠ | ♣K | +2 | -17 |
| -5.1 | Round 12 | INA LADIES DJARUM LA | 30 | 6♠ | ♣2 | = | +0 |
| -6.4 | Round 5 | MYXOZ | 20 | 3NT | ♣2 | -2 | -7 |
| -8.2 | Round 7 | TIANYA BRIDGE FATE | 1 | 5♦x | ♠8 | = | -6 |
| -8.9 | Round 7 | TIANYA BRIDGE FATE | 2 | 6♥ | ♦8 | -3 | -12 |
| -8.9 | Round 10 | DJARUM BRIDGE CLUB | 1 | 6♣ | ♦K | = | +0 |
| -12.5 | Round 12 | INA LADIES DJARUM LA | 29 | 7♦ | ♦9 | -1 | -16 |