COLBURN Olivia · BRIDGEMATES
vs par split: bidding -0.22 · play -1.07
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted -1.98/bd
Card play — on target: opening leads 62.5% #67 of 73 · declarer play 25.0% #70 of 73 · defence 66.7% #65 of 73
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 45.5% (11) | 76.9% (13) |
| Declarer play | · | 25.0% (4) |
| Defence | 72.2% (18) | 63.0% (27) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 50.0% (2) · ♦ 20.0% (5) · ♣ 75.0% (8)
vs par by strain: NT -1.32 (22) · a suit -1.27 (37)
vs par by level: part-score -2.73 (37) · game +0.67 (21) · slam +11.00 (1)
By role: declaring -2.88/bd (-6.57 vs par · 14) · defending -1.57/bd (+0.09 vs par · 46)
By vulnerability: vulnerable -2.29/bd (-1.40 vs par · 30) · not vulnerable -1.47/bd (-1.53 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Vassileva | H.Berk – D.Soukup | Closed | 10 | -22.4 | -2.24 | -3.00 |
| Round 2 | A.Vassileva | K.Gong – X.Liu | Open | 10 | -45.3 | -4.53 | -5.60 |
| Round 4 | B.Goodwin | S.Magnuson – C.Andrews | Closed | 10 | +2.0 | +0.20 | -1.80 |
| Round 5 | A.Vassileva | Y.Fang – D.Huang | Open | 10 | -11.1 | -1.11 | -0.40 |
| Round 6 | O.Laufer | Z.Wu – M.Li | Closed | 10 | -15.6 | -1.56 | -1.90 |
| Round 7 | A.Vassileva | A.Lin – T.Allen | Closed | 10 | -20.3 | -2.03 | +3.90 |
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 |
|---|---|---|---|---|---|---|---|
| +8.2 | Round 4 | MIDNIGHT SUNS | 7 | 3♥ | ♦6 | -3 | +6 |
| +6.5 | Round 4 | MIDNIGHT SUNS | 4 | 3♠ | ♥3 | -1 | +6 |
| +4.7 | Round 5 | CHINA QFL | 16 | 3♥ | ♠2 | -2 | +5 |
| +3.9 | Round 1 | BERK | 10 | 2♥ | ♠J | +1 | +0 |
| +3.5 | Round 4 | MIDNIGHT SUNS | 8 | 2NT | ♥3 | +1 | +6 |
| +3.0 | Round 6 | ZHIHAOLE SCHOOL | 24 | 2NT | ♥4 | -3 | +2 |
| +2.9 | Round 5 | CHINA QFL | 19 | 4♥ | ♠A | -1 | +4 |
| +2.8 | Round 4 | MIDNIGHT SUNS | 3 | 3♠ | ♣A | = | +1 |
| +2.2 | Round 4 | MIDNIGHT SUNS | 5 | 5♣x | ♦A | -2 | -10 |
| +2.2 | Round 6 | ZHIHAOLE SCHOOL | 25 | 3♣ | ♦7 | -1 | +0 |
| +2.2 | Round 7 | LIN | 10 | 3♥ | ♠9 | +1 | -10 |
| +1.7 | Round 2 | GREEN PRIMARY SCHOOL | 11 | 1♠ | ♣3 | -1 | +4 |
| +1.7 | Round 7 | LIN | 6 | 4♥ | ♠4 | -2 | +13 |
| +1.5 | Round 4 | MIDNIGHT SUNS | 1 | 2♣ | ♦A | +2 | -5 |
| +1.5 | Round 7 | LIN | 1 | 1♥ | ♣4 | +5 | +5 |
| +1.2 | Round 1 | BERK | 2 | 1NT | ♠6 | -1 | -1 |
| +1.0 | Round 7 | LIN | 3 | 5♦ | ♣A | -2 | +2 |
| +0.9 | Round 1 | BERK | 7 | 1NT | ♦4 | -1 | -1 |
| +0.8 | Round 6 | ZHIHAOLE SCHOOL | 30 | 2NT | ♠6 | -1 | -4 |
| +0.5 | Round 6 | ZHIHAOLE SCHOOL | 27 | 2NT | ♦A | = | +0 |
| -0.0 | Round 5 | CHINA QFL | 17 | 1NT | ♠5 | +2 | +6 |
| -0.1 | Round 2 | GREEN PRIMARY SCHOOL | 16 | 3♠ | ♣4 | = | +0 |
| -0.5 | Round 6 | ZHIHAOLE SCHOOL | 22 | 4♥ | ♣7 | +1 | +0 |
| -0.8 | Round 1 | BERK | 1 | 3NT | ♥3 | +2 | -1 |
| -0.8 | Round 2 | GREEN PRIMARY SCHOOL | 20 | 2♦ | ♥10 | +1 | +0 |
| -0.9 | Round 5 | CHINA QFL | 11 | 3NT | ♣4 | = | +11 |
| -1.2 | Round 6 | ZHIHAOLE SCHOOL | 21 | 3♥ | ♦5 | = | -8 |
| -1.7 | Round 1 | BERK | 9 | 2♠ | ♥4 | = | -6 |
| -1.7 | Round 6 | ZHIHAOLE SCHOOL | 28 | 4♠ | ♣A | = | +0 |
| -1.8 | Round 5 | CHINA QFL | 20 | 2♥ | ♦J | = | -6 |
| -1.8 | Round 6 | ZHIHAOLE SCHOOL | 23 | 4♠ | ♥5 | +1 | +13 |
| -1.9 | Round 4 | MIDNIGHT SUNS | 2 | 3♥ | ♦A | -2 | +0 |
| -2.0 | Round 1 | BERK | 5 | 4♥ | ♠4 | +2 | +13 |
| -2.2 | Round 2 | GREEN PRIMARY SCHOOL | 13 | 2♦ | ♠A | +2 | +0 |
| -2.2 | Round 5 | CHINA QFL | 13 | 4♠ | ♥3 | = | +0 |
| -2.2 | Round 7 | LIN | 7 | 5NT | ♥8 | = | +13 |
| -2.3 | Round 5 | CHINA QFL | 12 | 3NT | ♣3 | +1 | +0 |
| -2.5 | Round 7 | LIN | 9 | 1NT | ♦K | = | +0 |
| -2.8 | Round 2 | GREEN PRIMARY SCHOOL | 14 | 3NT | ♦2 | +2 | +0 |
| -3.2 | Round 4 | MIDNIGHT SUNS | 10 | 4♦ | ♠A | -4 | +5 |
| -3.4 | Round 5 | CHINA QFL | 18 | 2♥ | ♣4 | +1 | -7 |
| -3.5 | Round 1 | BERK | 3 | 2♠ | ♦2 | +2 | -1 |
| -3.5 | Round 7 | LIN | 5 | 3NT | ♣4 | +3 | +10 |
| -3.5 | Round 7 | LIN | 8 | 1NT | ♣6 | = | -5 |
| -3.6 | Round 5 | CHINA QFL | 14 | 1NT | ♠3 | +1 | -6 |
| -4.4 | Round 2 | GREEN PRIMARY SCHOOL | 18 | 5♦ | ♠10 | = | -11 |
| -4.5 | Round 5 | CHINA QFL | 15 | 1NT | ♥Q | = | -11 |
| -4.8 | Round 1 | BERK | 8 | 2♥ | ♠3 | +1 | -11 |
| -5.1 | Round 1 | BERK | 6 | Pass | -12 | ||
| -7.3 | Round 2 | GREEN PRIMARY SCHOOL | 12 | 4♠ | ♦2 | -1 | -11 |
| -7.3 | Round 7 | LIN | 2 | 6♥ | ♣J | +1 | +11 |
| -7.7 | Round 7 | LIN | 4 | 3NT | ♦6 | +1 | +0 |
| -7.8 | Round 2 | GREEN PRIMARY SCHOOL | 17 | 3♦ | ♠7 | +3 | -15 |
| -8.2 | Round 6 | ZHIHAOLE SCHOOL | 26 | 2NT | ♥4 | +2 | -10 |
| -8.7 | Round 4 | MIDNIGHT SUNS | 9 | 2NT | ♣A | +4 | -15 |
| -8.7 | Round 6 | ZHIHAOLE SCHOOL | 29 | 3♥ | ♠Q | = | -12 |
| -8.9 | Round 4 | MIDNIGHT SUNS | 6 | 4♥ | ♣6 | = | -12 |
| -9.8 | Round 2 | GREEN PRIMARY SCHOOL | 19 | 2NT | ♠2 | -2 | -13 |
| -10.5 | Round 1 | BERK | 4 | 3NT | ♠6 | = | -10 |
| -11.8 | Round 2 | GREEN PRIMARY SCHOOL | 15 | 4♥ | ♣4 | = | -10 |