CHANG Ko-Wei · CHINESE TAIPEI WHITE
vs par split: bidding +0.00 · play -1.00
Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -1.00/bd
Card play — on target: opening leads 87.5% · declarer play 75.0% · defence 66.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (6) |
| Declarer play | 66.7% (3) | 100.0% (1) |
| Defence | 83.3% (6) | 55.6% (9) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (3) · ♣ 0.0% (1)
vs par by strain: NT +0.60 (10) · a suit -1.80 (20)
vs par by level: part-score -2.40 (15) · game +0.40 (15)
By role: declaring -2.77/bd (-5.13 vs par · 15) · defending +0.34/bd (+3.13 vs par · 15)
By vulnerability: vulnerable -2.19/bd (-1.20 vs par · 15) · not vulnerable -0.24/bd (-0.80 vs par · 15)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | C.Chiu | L.Robertson – A.Robertson | Closed | 10 | -5.3 | -0.53 | +0.10 |
| Round 3 | C.Chiu | L.Cheng – R.Mao | Closed | 10 | -22.2 | -2.22 | -2.20 |
| Round 6 | C.Chiu | S.Capobianco – F.Porta | Open | 10 | -8.9 | -0.89 | -0.90 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 6 | ITALIA | 29 | 5♠ | ♥8 | -2 | +17 |
| +9.2 | Round 2 | AUSSIE KIDS | 14 | 4♠ | ♣7 | -2 | +11 |
| +4.9 | Round 2 | AUSSIE KIDS | 15 | 3NT | ♦6 | +3 | +11 |
| +3.9 | Round 2 | AUSSIE KIDS | 17 | 4♥ | ♠9 | +1 | +1 |
| +3.4 | Round 6 | ITALIA | 25 | 4♠ | ♦3 | +1 | -11 |
| +2.6 | Round 2 | AUSSIE KIDS | 19 | 1NT | ♣2 | -2 | +3 |
| +1.5 | Round 3 | SX XHEST | 23 | 4♠ | ♦5 | -1 | +6 |
| +1.5 | Round 3 | SX XHEST | 25 | 3♥ | ♣Q | -2 | +0 |
| +1.3 | Round 6 | ITALIA | 30 | 2♠ | ♦8 | +2 | -6 |
| +0.3 | Round 2 | AUSSIE KIDS | 12 | 2♣ | ♥A | -2 | -1 |
| +0.2 | Round 3 | SX XHEST | 30 | 1NT | ♠Q | = | +1 |
| -0.1 | Round 3 | SX XHEST | 24 | 4♠ | ♦6 | -1 | -2 |
| -0.7 | Round 3 | SX XHEST | 22 | 3♦ | ♣K | -2 | +0 |
| -0.7 | Round 6 | ITALIA | 24 | 3NT | ♠J | +2 | +11 |
| -1.2 | Round 6 | ITALIA | 27 | 1NT | ♥J | -1 | +2 |
| -1.2 | Round 6 | ITALIA | 28 | 3♦ | ♠A | -1 | +0 |
| -1.9 | Round 2 | AUSSIE KIDS | 16 | 3♥ | ♠5 | = | -1 |
| -2.3 | Round 6 | ITALIA | 23 | 1NT | ♠2 | -1 | -6 |
| -2.4 | Round 3 | SX XHEST | 21 | 2NT | ♥5 | -2 | -3 |
| -2.7 | Round 3 | SX XHEST | 28 | 5♣ | ♠3 | -1 | -2 |
| -3.7 | Round 6 | ITALIA | 22 | 4♠ | ♦2 | +2 | -1 |
| -3.9 | Round 2 | AUSSIE KIDS | 13 | 1NT | ♦7 | = | -6 |
| -4.1 | Round 2 | AUSSIE KIDS | 18 | 2NT | ♠3 | -2 | -7 |
| -4.4 | Round 6 | ITALIA | 26 | 4♠ | ♥10 | = | +0 |
| -4.9 | Round 3 | SX XHEST | 26 | 3♠ | ♣4 | = | -10 |
| -6.7 | Round 2 | AUSSIE KIDS | 20 | 3NT | ♣Q | +1 | +0 |
| -6.8 | Round 3 | SX XHEST | 29 | 3♠ | ♦K | -2 | -2 |
| -7.8 | Round 3 | SX XHEST | 27 | 4♠ | ♥A | -1 | -10 |
| -9.6 | Round 2 | AUSSIE KIDS | 11 | 4♥ | ♠J | -1 | -10 |
| -10.6 | Round 6 | ITALIA | 21 | 4♥ | ♠7 | +3 | -15 |