VAN OOSTEN Sibrand · BRIDGENOOBS
12rank
+8.1Butler · 112 bds
+0.07per board
±5.8swing
+0.06vs par /bd · #11/18
-0.31adjusted /bd
by round
vs par split: bidding +0.18 · play -0.12
Strength of schedule: opponents averaged -0.38/bd (an easy draw) → opponent-adjusted -0.31/bd
Card play — on target: opening leads 89.3% #2 of 18 · declarer play 72.7% #17 of 18 · defence 78.6% #15 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (9) | 84.2% (19) |
| Declarer play | 71.4% (7) | 73.3% (15) |
| Defence | 68.8% (16) | 82.5% (40) |
Opening leads by suit led: ♠ 80.0% (10) · ♥ 87.5% (8) · ♦ 100.0% (6) · ♣ 100.0% (4)
vs par by strain: NT +0.16 (32) · a suit +0.03 (80)
vs par by level: part-score -0.82 (28) · game +0.22 (77) · slam +1.86 (7)
By role: declaring +0.16/bd (-1.62 vs par · 56) · defending -0.01/bd (+1.75 vs par · 56)
By vulnerability: vulnerable +0.26/bd (-0.54 vs par · 56) · not vulnerable -0.12/bd (+0.66 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Freeman | M.Wu – W.Cheung | Open | 14 | +21.3 | +1.52 | +1.86 |
| Quarterfinal | J.Freeman | T.Hung – A.Lam | Open | 14 | -12.4 | -0.89 | +0.14 |
| Semifinal | J.Freeman | A.Sandin – S.Clementsson | Open | 14 | +14.8 | +1.06 | +2.36 |
| Semifinal | J.Freeman | S.Clementsson – A.Sandin | Closed | 14 | +29.8 | +2.13 | -2.57 |
| Final | J.Freeman | Z.Grossack – K.Rosenberg | Closed | 14 | +10.9 | +0.78 | +2.00 |
| Final | J.Freeman | M.Xu – F.Kolesnik | Closed | 14 | -6.3 | -0.45 | +1.29 |
| Final | J.Freeman | Z.Grossack – K.Rosenberg | Open | 14 | -25.0 | -1.79 | -3.57 |
| Final | J.Freeman | Z.Grossack – K.Rosenberg | Closed | 14 | -25.0 | -1.79 | -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 |
|---|---|---|---|---|---|---|---|
| +14.0 | Final | USA U26 | 25 | 4♥x | ♣4 | = | +14 |
| +14.0 | Final | USA U26 | 33 | 5♦x | ♠Q | = | +6 |
| +13.3 | Semifinal | BRIDGESTARS | 3 | 2♥x | ♠A | -3 | +12 |
| +12.7 | Semifinal | BRIDGESTARS | 26 | 5♣ | ♠5 | = | +0 |
| +12.0 | Final | USA U26 | 11 | 6♥ | ♠2 | -2 | +14 |
| +10.6 | Quarterfinal | CUHK | 26 | 5♣ | ♦K | -2 | +13 |
| +10.3 | Semifinal | BRIDGESTARS | 18 | 3NT | ♦5 | -3 | +10 |
| +9.7 | Final | USA U26 | 20 | 2♠x | ♥Q | -2 | +9 |
| +9.1 | Quarterfinal | CUHK | 12 | 3NT | ♠7 | = | +10 |
| +8.7 | Final | USA U26 | 9 | 5♣ | ♦A | = | +7 |
| +8.6 | Quarterfinal | CUHK | 10 | 5♣ | ♠4 | -1 | +12 |
| +8.6 | Quarterfinal | CUHK | 11 | 4♠ | ♥K | = | +11 |
| +7.7 | Final | USA U26 | 28 | 7♣x | ♦A | -2 | +12 |
| +7.0 | Final | USA U26 | 5 | 6♠x | ♣A | = | +6 |
| +6.3 | Semifinal | BRIDGESTARS | 22 | 2♠ | ♣Q | +2 | +6 |
| +5.6 | Quarterfinal | CUHK | 8 | 4♠x | ♣K | -3 | +2 |
| +5.4 | Quarterfinal | CUHK | 14 | 3♠ | ♦2 | = | +6 |
| +5.3 | Semifinal | BRIDGESTARS | 21 | 4♥ | ♠A | +1 | -8 |
| +5.3 | Final | USA U26 | 17 | 3NT | ♥4 | -3 | +7 |
| +5.0 | Final | USA U26 | 49 | 4♣ | ♠K | -1 | -8 |
| +4.3 | Final | USA U26 | 26 | 3NT | ♥7 | +2 | +2 |
| +4.0 | Semifinal | BRIDGESTARS | 23 | 4♠ | ♣Q | = | +0 |
| +4.0 | Final | USA U26 | 19 | 4♠ | ♣3 | = | +3 |
| +3.9 | Quarterfinal | CUHK | 5 | 4♠x | ♣Q | -1 | +5 |
| +3.7 | Quarterfinal | CUHK | 13 | 4♠ | ♦K | +1 | -13 |
| +3.7 | Semifinal | BRIDGESTARS | 11 | 4♠ | ♥10 | +1 | +0 |
| +3.3 | Semifinal | BRIDGESTARS | 20 | 3NT | ♦Q | -1 | -12 |
| +3.0 | Final | USA U26 | 8 | 3NT | ♥7 | -2 | +5 |
| +3.0 | Final | USA U26 | 52 | 5♠x | ♥K | -2 | +0 |
| +2.7 | Quarterfinal | CUHK | 17 | 3NT | ♠9 | +1 | +10 |
| +2.7 | Semifinal | BRIDGESTARS | 13 | 4♦ | ♣8 | -2 | +8 |
| +2.7 | Semifinal | BRIDGESTARS | 17 | 6♣ | ♦Q | -2 | +6 |
| +2.4 | Quarterfinal | CUHK | 19 | 4♠ | ♥10 | = | +0 |
| +2.0 | Final | USA U26 | 30 | 3NT | ♥2 | = | +2 |
| +2.0 | Final | USA U26 | 42 | 5♠x | ♥2 | -1 | +5 |
| +2.0 | Final | USA U26 | 48 | 1♦ | ♣10 | +1 | +0 |
| +1.9 | Quarterfinal | CUHK | 16 | 3NT | ♠J | +1 | +0 |
| +1.7 | Final | USA U26 | 22 | 1NT | ♣2 | = | +0 |
| +1.3 | Quarterfinal | CUHK | 3 | 4♠ | ♣A | = | +7 |
| +1.3 | Quarterfinal | CUHK | 28 | 4♠ | ♠2 | +1 | +0 |
| +1.3 | Semifinal | BRIDGESTARS | 14 | 3♣ | ♥A | -1 | +2 |
| +1.3 | Semifinal | BRIDGESTARS | 28 | 2♦ | ♠A | -3 | -3 |
| +1.3 | Final | USA U26 | 3 | 3♣ | ♠K | -1 | -2 |
| +1.3 | Final | USA U26 | 6 | 1NT | ♠2 | -1 | -2 |
| +1.1 | Quarterfinal | CUHK | 23 | 3♠ | ♦A | -2 | +10 |
| +1.0 | Final | USA U26 | 45 | 2♥ | ♣3 | +1 | +0 |
| +0.3 | Semifinal | BRIDGESTARS | 4 | 3NT | ♥Q | +2 | +0 |
| +0.3 | Semifinal | BRIDGESTARS | 5 | 5♣ | ♠K | = | -2 |
| +0.3 | Semifinal | BRIDGESTARS | 19 | 4♥ | ♦Q | +2 | -9 |
| +0.1 | Quarterfinal | CUHK | 27 | 5♦x | ♥2 | -1 | +5 |
| +0.0 | Semifinal | BRIDGESTARS | 7 | 4♥ | ♣5 | = | +0 |
| -0.0 | Semifinal | BRIDGESTARS | 15 | 2♠ | ♦6 | = | +0 |
| -0.0 | Semifinal | BRIDGESTARS | 27 | 5♠ | ♣A | = | +0 |
| -0.0 | Final | USA U26 | 4 | 4♥ | ♠Q | = | +0 |
| -0.0 | Final | USA U26 | 10 | 4♥ | ♠10 | -2 | +8 |
| +0.0 | Final | USA U26 | 31 | 3NT | ♥4 | +2 | +0 |
| +0.0 | Final | USA U26 | 35 | 3NT | ♦5 | = | -1 |
| +0.0 | Final | USA U26 | 39 | 4♥ | ♥6 | = | +0 |
| +0.0 | Final | USA U26 | 40 | 3NT | ♥10 | -1 | -6 |
| -0.0 | Final | USA U26 | 54 | 4♥ | ♠2 | -1 | -6 |
| -0.0 | Final | USA U26 | 55 | 1NT | ♠3 | +2 | +0 |
| -0.0 | Final | USA U26 | 56 | 3NT | ♦8 | = | +5 |
| -0.3 | Semifinal | BRIDGESTARS | 1 | 3NT | ♦6 | +2 | +10 |
| -0.3 | Semifinal | BRIDGESTARS | 8 | 1NT | ♠6 | +1 | +1 |
| -0.3 | Semifinal | BRIDGESTARS | 9 | 4♠ | ♣9 | -1 | +2 |
| -0.3 | Semifinal | BRIDGESTARS | 10 | 4♥ | ♦5 | +2 | +13 |
| -0.3 | Final | USA U26 | 2 | 3NT | ♥5 | +1 | +0 |
| -0.7 | Final | USA U26 | 12 | 3NT | ♠5 | = | +0 |
| -1.0 | Semifinal | BRIDGESTARS | 12 | 2♠ | ♥3 | +2 | -10 |
| -1.0 | Semifinal | BRIDGESTARS | 24 | 4♠ | ♣7 | = | -1 |
| -1.0 | Final | USA U26 | 27 | 3NT | ♠Q | = | +0 |
| -1.0 | Final | USA U26 | 32 | 4♥ | ♣5 | +1 | +0 |
| -1.0 | Final | USA U26 | 41 | 3NT | ♠J | +2 | -17 |
| -1.0 | Final | USA U26 | 47 | 3♠ | ♦2 | +1 | -1 |
| -1.0 | Final | USA U26 | 53 | 4NT | ♣4 | +2 | +14 |
| -1.3 | Semifinal | BRIDGESTARS | 2 | 5♦x | ♥K | = | -3 |
| -1.6 | Quarterfinal | CUHK | 24 | 5♠x | ♥K | -1 | -8 |
| -1.7 | Quarterfinal | CUHK | 7 | 1♥ | ♣5 | +1 | -1 |
| -1.7 | Final | USA U26 | 14 | 5♦ | ♠6 | = | +1 |
| -1.9 | Quarterfinal | CUHK | 21 | 2♦ | ♣4 | = | -5 |
| -2.0 | Final | USA U26 | 43 | 3♣ | ♠Q | -3 | -11 |
| -2.7 | Quarterfinal | CUHK | 25 | 5♥x | ♠3 | -2 | +2 |
| -3.0 | Final | USA U26 | 46 | 4♥ | ♦5 | -1 | +6 |
| -3.3 | Semifinal | BRIDGESTARS | 6 | 2♣x | ♦10 | -1 | +0 |
| -3.6 | Quarterfinal | CUHK | 18 | 3NT | ♣5 | = | +1 |
| -3.7 | Semifinal | BRIDGESTARS | 16 | 2♥ | ♠A | +1 | -12 |
| -3.9 | Quarterfinal | CUHK | 6 | 4♠ | ♣K | -4 | +7 |
| -4.3 | Quarterfinal | CUHK | 2 | 3♠ | ♥A | +2 | -3 |
| -4.4 | Quarterfinal | CUHK | 1 | 5♦x | ♠4 | -1 | -6 |
| -4.7 | Quarterfinal | CUHK | 4 | 7♠ | ♣Q | = | +0 |
| -4.7 | Final | USA U26 | 7 | 3NT | ♠5 | +1 | +0 |
| -4.7 | Final | USA U26 | 13 | 4NT | ♥J | = | -1 |
| -5.0 | Final | USA U26 | 37 | 4♠ | ♥A | -1 | -5 |
| -5.3 | Final | USA U26 | 15 | 3NT | ♣3 | -2 | -5 |
| -5.9 | Quarterfinal | CUHK | 9 | 5♥ | ♠Q | -1 | -11 |
| -6.0 | Final | USA U26 | 36 | 2♠ | ♥10 | = | -5 |
| -6.0 | Final | USA U26 | 38 | 4♠ | ♦K | -1 | -6 |
| -6.1 | Quarterfinal | CUHK | 20 | 5♦x | ♦J | -1 | -8 |
| -7.0 | Final | USA U26 | 23 | 1NTx | ♣5 | +1 | -6 |
| -7.7 | Quarterfinal | CUHK | 15 | 2♠x | ♣2 | -2 | -8 |
| -8.0 | Final | USA U26 | 24 | 5♥x | ♠4 | -1 | -5 |
| -8.0 | Final | USA U26 | 44 | 5♣ | ♠J | -2 | -12 |
| -8.0 | Final | USA U26 | 50 | 5♣x | ♦K | -2 | +0 |
| -8.7 | Final | USA U26 | 21 | 3NT | ♦3 | +1 | -1 |
| -8.9 | Quarterfinal | CUHK | 22 | 3NT | ♣Q | = | -10 |
| -10.0 | Final | USA U26 | 18 | 4♥ | ♣Q | = | +1 |
| -10.0 | Final | USA U26 | 34 | 3NT | ♣4 | -1 | -11 |
| -10.3 | Final | USA U26 | 1 | 5♣x | ♥A | -3 | -8 |
| -11.7 | Semifinal | BRIDGESTARS | 25 | 4♠x | ♦3 | -2 | -13 |
| -13.0 | Final | USA U26 | 16 | 6♣ | ♦3 | -2 | -13 |
| -13.0 | Final | USA U26 | 51 | 5♣ | ♠K | +1 | -1 |
| -14.0 | Final | USA U26 | 29 | 6♥x | ♦6 | -1 | -12 |