CHANG Yino · CT U16
vs par split: bidding -0.29 · play -0.96
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted -0.40/bd
Card play — on target: opening leads 80.0% #9 of 18 · declarer play 83.3% #6 of 18 · defence 64.3% #17 of 18
Bidding activity — not a pass: 44.9% #8 of 18 (31/69)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 75.0% (4) |
| Declarer play | 50.0% (2) | 100.0% (4) |
| Defence | 33.3% (3) | 72.7% (11) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 0.0% (1) · ♣ 100.0% (1)
vs par by strain: NT -5.43 (7) · a suit +0.14 (21)
vs par by level: part-score -0.25 (12) · game -2.00 (16)
By role: declaring -0.98/bd (-3.86 vs par · 14) · defending +0.05/bd (+1.36 vs par · 14)
By vulnerability: vulnerable -0.19/bd (-1.21 vs par · 14) · not vulnerable -0.74/bd (-1.29 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Chiu | L.Wu – K.Chang | Open | 14 | +18.9 | +1.35 | +0.00 |
| Round 2 | H.Chiu | S.Lillejord – M.Moe | Closed | 14 | -31.9 | -2.28 | -2.50 |
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 |
|---|---|---|---|---|---|---|---|
| +7.3 | Round 1 | CT 360 | 12 | 5♦ | ♥7 | +1 | +11 |
| +6.0 | Round 1 | CT 360 | 14 | 4♠ | ♥4 | = | +0 |
| +5.7 | Round 2 | THE VIKINGS | 20 | 2NT | ♣6 | = | -1 |
| +4.3 | Round 1 | CT 360 | 2 | 4♠ | ♥8 | +1 | +0 |
| +3.7 | Round 2 | THE VIKINGS | 21 | 5♥ | ♦J | -2 | +11 |
| +3.3 | Round 2 | THE VIKINGS | 26 | 4♠ | ♦K | = | +0 |
| +2.7 | Round 1 | CT 360 | 6 | 2♠ | ♦3 | = | -1 |
| +2.3 | Round 1 | CT 360 | 7 | 2♥ | ♠3 | -1 | +12 |
| +2.3 | Round 1 | CT 360 | 11 | 2♠ | ♥2 | +1 | +0 |
| +2.0 | Round 2 | THE VIKINGS | 19 | 2NT | ♥4 | -2 | +7 |
| +1.3 | Round 1 | CT 360 | 13 | 3NT | ♥6 | +3 | -12 |
| +0.3 | Round 1 | CT 360 | 8 | 4♠ | ♣6 | = | +3 |
| +0.0 | Round 1 | CT 360 | 5 | 4♠ | ♣J | +1 | +4 |
| -0.3 | Round 1 | CT 360 | 1 | 4♠ | ♣3 | +1 | -1 |
| -0.3 | Round 2 | THE VIKINGS | 17 | 3NT | ♠4 | +2 | -1 |
| -0.3 | Round 2 | THE VIKINGS | 30 | 1NT | ♣K | = | -5 |
| -0.7 | Round 2 | THE VIKINGS | 27 | 2♠ | ♥Q | +1 | +0 |
| -1.3 | Round 1 | CT 360 | 9 | 2♠ | ♣J | = | +0 |
| -1.3 | Round 2 | THE VIKINGS | 28 | 2♠ | ♠J | -2 | -1 |
| -1.7 | Round 1 | CT 360 | 3 | 2♠ | ♥J | = | +0 |
| -2.0 | Round 1 | CT 360 | 4 | 3NT | ♦7 | +1 | -10 |
| -2.0 | Round 2 | THE VIKINGS | 23 | 4♠x | ♦A | -2 | +4 |
| -2.3 | Round 1 | CT 360 | 10 | 2♥ | ♠9 | = | -6 |
| -3.7 | Round 2 | THE VIKINGS | 24 | 2♦x | ♣A | -1 | -8 |
| -7.3 | Round 2 | THE VIKINGS | 22 | 5♦ | ♥3 | = | +0 |
| -8.0 | Round 2 | THE VIKINGS | 25 | 5♦x | ♥5 | -2 | -12 |
| -10.0 | Round 2 | THE VIKINGS | 29 | 3NT | ♦Q | -1 | -16 |
| -13.0 | Round 2 | THE VIKINGS | 18 | 4♥ | ♣J | -2 | -13 |