DRIJVER Bas · DIAMOND
vs par split: bidding -1.35 · play +0.67
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.17/bd
Card play — on target: opening leads 70.0% #218 of 310 · declarer play 85.0% #92 of 310 · defence 86.4% #143 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 62.5% (8) |
| Declarer play | 100.0% (3) | 82.4% (17) |
| Defence | 83.3% (6) | 87.5% (16) |
Opening leads by suit led: ♥ 80.0% (5) · ♦ 33.3% (3) · ♣ 100.0% (2)
vs par by strain: NT -0.82 (11) · a suit -0.63 (38)
vs par by level: part-score +0.58 (24) · game -1.48 (21) · slam -4.00 (4)
By role: declaring +0.09/bd (-2.93 vs par · 27) · defending +0.10/bd (+2.09 vs par · 22)
By vulnerability: vulnerable -0.47/bd (-1.92 vs par · 26) · not vulnerable +0.73/bd (+0.74 vs par · 23)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Brink | N.Bocchi – A.Madala | Closed | 7 | -6.6 | -0.94 | -1.00 |
| Round 2 | S.Brink | H.Liu – X.Zhang | Closed | 7 | -2.9 | -0.41 | -3.14 |
| Round 3 | S.Brink | Y.Zack – M.Barel | Closed | 7 | -3.7 | -0.53 | -0.86 |
| Round 4 | S.Brink | L.Dong – Y.Wu | Open | 7 | +13.2 | +1.89 | +0.43 |
| Round 5 | S.Brink | J.Zhou – Y.Chen | Open | 7 | +16.8 | +2.40 | +2.00 |
| Round 6 | S.Brink | K.Hegge – T.Grude | Open | 7 | +11.2 | +1.60 | +2.29 |
| Round 7 | S.Brink | A.Sontag – D.Berkowitz | Closed | 7 | -23.5 | -3.36 | -4.43 |
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 |
|---|---|---|---|---|---|---|---|
| +11.0 | Round 4 | CHINA OPN(A) | 23 | 3♥x | ♦6 | -3 | +12 |
| +10.0 | Round 5 | CHINA HYX | 4 | 4♠ | ♦K | = | +10 |
| +8.6 | Round 1 | LAVAZZA | 4 | 4♥ | ♦A | = | +0 |
| +7.3 | Round 1 | LAVAZZA | 1 | 3NT | ♦10 | -1 | +10 |
| +6.5 | Round 5 | CHINA HYX | 3 | 3♦ | ♠10 | -4 | +9 |
| +5.7 | Round 6 | NORWAY JUNIORS | 13 | 3♠ | ♦Q | -2 | +7 |
| +4.4 | Round 2 | PAN-CHINA | 9 | 4♠ | ♥3 | -1 | +6 |
| +4.2 | Round 7 | MARK GORDON | 19 | 1NT | ♥8 | -1 | +6 |
| +3.4 | Round 4 | CHINA OPN(A) | 28 | 4♦ | ♣9 | = | +9 |
| +3.3 | Round 6 | NORWAY JUNIORS | 9 | 4♥x | ♦K | -1 | +7 |
| +3.2 | Round 2 | PAN-CHINA | 14 | 3♠ | ♣2 | = | +1 |
| +3.1 | Round 5 | CHINA HYX | 7 | 6♥ | ♣2 | = | +0 |
| +2.8 | Round 4 | CHINA OPN(A) | 24 | 3♣ | ♥Q | -3 | +2 |
| +2.3 | Round 3 | MCALLISTER | 19 | 4♠ | ♦K | = | +6 |
| +2.3 | Round 6 | NORWAY JUNIORS | 11 | 3NT | ♥2 | -1 | +4 |
| +2.1 | Round 3 | MCALLISTER | 20 | 3♣ | ♣J | = | +0 |
| +2.0 | Round 6 | NORWAY JUNIORS | 10 | 1NT | ♠5 | +2 | +1 |
| +1.9 | Round 2 | PAN-CHINA | 11 | 2♠ | ♦2 | +2 | +2 |
| +1.0 | Round 5 | CHINA HYX | 1 | 4♥ | ♣A | +1 | +0 |
| +1.0 | Round 5 | CHINA HYX | 6 | 6NT | ♣2 | = | -11 |
| +0.9 | Round 2 | PAN-CHINA | 8 | 1NT | ♠2 | +1 | +0 |
| +0.8 | Round 4 | CHINA OPN(A) | 27 | 4♠ | ♦4 | +2 | -11 |
| +0.2 | Round 6 | NORWAY JUNIORS | 12 | 4♥ | ♦2 | +1 | +0 |
| +0.0 | Round 1 | LAVAZZA | 5 | 2♠ | ♥2 | -1 | +1 |
| -0.0 | Round 3 | MCALLISTER | 21 | 1NT | ♥J | +3 | -9 |
| -0.1 | Round 1 | LAVAZZA | 3 | 2♠ | ♣Q | -1 | +3 |
| -0.1 | Round 4 | CHINA OPN(A) | 25 | 3NT | ♠Q | = | +0 |
| -0.1 | Round 6 | NORWAY JUNIORS | 14 | 2♠ | ♦2 | +2 | -2 |
| -0.3 | Round 3 | MCALLISTER | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.3 | Round 3 | MCALLISTER | 16 | 2♥ | ♣6 | +2 | -6 |
| -0.5 | Round 4 | CHINA OPN(A) | 26 | 1NT | ♠7 | = | +1 |
| -1.4 | Round 5 | CHINA HYX | 2 | 2♠ | ♥K | +1 | +0 |
| -2.2 | Round 6 | NORWAY JUNIORS | 8 | 3♦ | ♦A | +1 | -1 |
| -2.6 | Round 2 | PAN-CHINA | 10 | 3♠x | ♥2 | -1 | -7 |
| -2.6 | Round 7 | MARK GORDON | 21 | 6♠ | ♥2 | = | +0 |
| -2.7 | Round 7 | MARK GORDON | 15 | 4♠ | ♥3 | -1 | -12 |
| -3.4 | Round 5 | CHINA HYX | 5 | 2♠ | ♠3 | +2 | +6 |
| -3.5 | Round 1 | LAVAZZA | 2 | 1NTx | ♦2 | -1 | -11 |
| -3.6 | Round 3 | MCALLISTER | 18 | 3♥ | ♠5 | -1 | +0 |
| -3.9 | Round 3 | MCALLISTER | 17 | 4♠ | ♦Q | -1 | -8 |
| -4.0 | Round 7 | MARK GORDON | 18 | 5♦ | ♥6 | +1 | -13 |
| -4.2 | Round 4 | CHINA OPN(A) | 22 | 2♥ | ♦3 | +2 | -10 |
| -4.3 | Round 7 | MARK GORDON | 20 | 4♥ | ♣9 | -2 | -3 |
| -5.2 | Round 2 | PAN-CHINA | 13 | 5♠ | ♣3 | +1 | -17 |
| -5.2 | Round 7 | MARK GORDON | 16 | 6♥x | ♠Q | -2 | -5 |
| -5.5 | Round 2 | PAN-CHINA | 12 | 4♥x | ♥K | -1 | -7 |
| -7.9 | Round 1 | LAVAZZA | 6 | 3NT | ♥2 | = | +0 |
| -8.9 | Round 7 | MARK GORDON | 17 | 5♣x | ♥K | = | -4 |
| -11.0 | Round 1 | LAVAZZA | 7 | 4♠ | ♥7 | = | -10 |