CHAN Vivian Sze-Ching · ECUADOR GIRLS
vs par split: bidding +0.12 · play -1.74
Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted -1.22/bd
Card play — on target: opening leads 100.0% #1 of 89 · declarer play 61.5% #80 of 89 · defence 50.0% #88 of 89
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (8) |
| Declarer play | 50.0% (8) | 80.0% (5) |
| Defence | 33.3% (3) | 52.6% (19) |
Opening leads by suit led: ♠ 100.0% (3) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT -5.50 (14) · a suit +0.32 (28)
vs par by level: part-score -1.86 (21) · game -2.20 (20) · slam +15.00 (1)
By role: declaring -1.18/bd (-2.10 vs par · 20) · defending -0.64/bd (-1.18 vs par · 22)
By vulnerability: vulnerable -0.65/bd (+0.00 vs par · 21) · not vulnerable -1.15/bd (-3.24 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Chan | L.Petelko – K.Retter | Closed | 6 | +7.5 | +1.25 | +2.33 |
| Round 2 | C.Chan | Q.Chen – O.Schireson | Closed | 6 | +2.0 | +0.33 | +1.17 |
| Round 3 | C.Chan | M.Krasa – C.Romanowski | Closed | 6 | -9.1 | -1.52 | -4.50 |
| Round 4 | C.Chan | R.Wu – P.Syu | Closed | 6 | -25.6 | -4.27 | -6.00 |
| Round 5 | C.Chan | K.Shimada – T.Inami | Closed | 6 | +0.9 | +0.15 | -4.33 |
| Round 7 | C.Chan | D.Peralta – A.Salazar Macias | Closed | 6 | -9.8 | -1.63 | -1.00 |
| Round 8 | C.Chan | D.Chiang – G.Liu | Closed | 6 | -3.6 | -0.60 | +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 |
|---|---|---|---|---|---|---|---|
| +15.0 | Round 3 | CZECH REPUBLIC A | 16 | 7♦x | ♠J | -2 | +15 |
| +10.1 | Round 1 | KITKUTIM II | 1 | 3♣x | ♥A | = | +12 |
| +9.3 | Round 2 | CARROTS | 7 | 4♠ | ♣A | -1 | +12 |
| +8.8 | Round 5 | JAPAN | 26 | 3NT | ♠K | +1 | +0 |
| +5.5 | Round 8 | MAPLE | 18 | 3♥ | ♦J | +2 | +6 |
| +5.1 | Round 1 | KITKUTIM II | 3 | 2♣x | ♦K | = | +8 |
| +4.5 | Round 8 | MAPLE | 17 | 3NT | ♥Q | +1 | -1 |
| +3.4 | Round 7 | ECUADOR U21 | 7 | 4♠ | ♣5 | +1 | +13 |
| +3.0 | Round 8 | MAPLE | 15 | 3♣ | ♦A | -3 | +1 |
| +1.9 | Round 2 | CARROTS | 8 | 4♥ | ♦K | = | +0 |
| +1.9 | Round 2 | CARROTS | 10 | 4♠ | ♦7 | -1 | +12 |
| +1.5 | Round 5 | JAPAN | 29 | 2♣ | ♥Q | +2 | +0 |
| +1.1 | Round 1 | KITKUTIM II | 4 | 3♥ | ♦K | +1 | +7 |
| +1.1 | Round 7 | ECUADOR U21 | 9 | 3NT | ♠6 | = | -2 |
| +0.8 | Round 4 | CHINESE TAIPEI U21 | 20 | 4♥ | ♣Q | +1 | +0 |
| +0.4 | Round 3 | CZECH REPUBLIC A | 13 | 4♥ | ♠Q | = | +0 |
| +0.4 | Round 4 | CHINESE TAIPEI U21 | 23 | 1NT | ♣2 | = | +0 |
| +0.3 | Round 1 | KITKUTIM II | 2 | 2♥ | ♠Q | +3 | -2 |
| +0.1 | Round 5 | JAPAN | 27 | 3NT | ♥3 | +1 | -1 |
| -0.9 | Round 5 | JAPAN | 28 | 1NT | ♠3 | = | -1 |
| -1.3 | Round 7 | ECUADOR U21 | 10 | 2♠ | ♥5 | = | -6 |
| -1.8 | Round 8 | MAPLE | 16 | 3NT | ♣5 | = | -3 |
| -1.9 | Round 2 | CARROTS | 12 | 3♥ | ♦7 | = | -6 |
| -2.5 | Round 1 | KITKUTIM II | 5 | 3♥ | ♣6 | = | +0 |
| -2.7 | Round 7 | ECUADOR U21 | 8 | 1NT | ♠7 | -1 | -3 |
| -2.9 | Round 3 | CZECH REPUBLIC A | 17 | 3♠ | ♦A | +1 | -6 |
| -3.3 | Round 4 | CHINESE TAIPEI U21 | 24 | 2♦ | ♣8 | = | -5 |
| -3.3 | Round 7 | ECUADOR U21 | 12 | 3♥ | ♦K | = | -1 |
| -3.5 | Round 5 | JAPAN | 25 | 4♦ | ♥A | -1 | -13 |
| -3.6 | Round 8 | MAPLE | 14 | 2♦ | ♠6 | = | -5 |
| -3.8 | Round 3 | CZECH REPUBLIC A | 14 | 3♦ | ♣3 | +1 | -7 |
| -4.1 | Round 2 | CARROTS | 9 | 5♥ | ♠A | -2 | -6 |
| -5.1 | Round 2 | CARROTS | 11 | 3NT | ♠A | -1 | -5 |
| -5.1 | Round 5 | JAPAN | 30 | 3NTx | ♥2 | -1 | -11 |
| -6.1 | Round 4 | CHINESE TAIPEI U21 | 19 | 3♥ | ♣4 | -1 | -7 |
| -6.3 | Round 4 | CHINESE TAIPEI U21 | 22 | 4♥ | ♦5 | = | -10 |
| -6.6 | Round 1 | KITKUTIM II | 6 | 1♠ | ♥4 | +1 | -11 |
| -7.0 | Round 7 | ECUADOR U21 | 11 | 3NT | ♠4 | = | -7 |
| -7.1 | Round 3 | CZECH REPUBLIC A | 15 | 3NT | ♠J | -2 | -13 |
| -10.7 | Round 3 | CZECH REPUBLIC A | 18 | 3NT | ♠4 | -1 | -16 |
| -11.1 | Round 4 | CHINESE TAIPEI U21 | 21 | 3NTx | ♦A | -2 | -14 |
| -11.2 | Round 8 | MAPLE | 13 | 4♠x | ♦Q | -4 | +8 |