YEH Chen · YBT
vs par split: bidding +0.42 · play +1.11
Strength of schedule: opponents averaged -0.29/bd (an easy draw) → opponent-adjusted +0.29/bd
Card play — on target: opening leads 75.0% · declarer play 66.7% · defence 75.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (2) |
| Declarer play | 100.0% (1) | 50.0% (2) |
| Defence | 100.0% (6) | 50.0% (6) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 0.0% (1) · ♣ 100.0% (2)
vs par by strain: NT +3.25 (8) · a suit +0.27 (11)
vs par by level: part-score +0.50 (6) · game +2.00 (13)
By role: declaring -0.86/bd (-0.50 vs par · 8) · defending +1.53/bd (+2.50 vs par · 12)
By vulnerability: vulnerable +1.02/bd (+2.40 vs par · 10) · not vulnerable +0.13/bd (+0.20 vs par · 10)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 11 | Y.Zhang | A.Nurhalim – M.Hartono | Open | 10 | +9.8 | +0.98 | +0.30 |
| Round 15 | Y.Zhang | C.Madsen – O.Pavlushko | Open | 10 | +1.7 | +0.17 | +2.30 |
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 |
|---|---|---|---|---|---|---|---|
| +11.7 | Round 15 | AURUSSIA | 29 | 5♥x | ♠9 | -2 | +14 |
| +11.4 | Round 11 | INDONESIA Seniors | 19 | 3NT | ♥4 | -3 | +14 |
| +6.9 | Round 15 | AURUSSIA | 22 | 3NT | ♥2 | -1 | +12 |
| +6.0 | Round 11 | INDONESIA Seniors | 12 | 2♦ | ♦J | +1 | +7 |
| +5.2 | Round 11 | INDONESIA Seniors | 13 | 4♥ | ♠6 | = | +10 |
| +5.2 | Round 15 | AURUSSIA | 27 | 3♠ | ♥3 | = | +6 |
| +3.2 | Round 11 | INDONESIA Seniors | 15 | 5♦x | ♥A | -3 | -4 |
| +2.5 | Round 15 | AURUSSIA | 28 | 3NT | ♥J | +3 | +11 |
| +0.5 | Round 15 | AURUSSIA | 25 | 3NT | ♠9 | +1 | +0 |
| +0.2 | Round 11 | INDONESIA Seniors | 18 | 2♠ | ♣5 | = | +0 |
| +0.2 | Round 15 | AURUSSIA | 24 | 3NT | ♠3 | +2 | +0 |
| -0.4 | Round 11 | INDONESIA Seniors | 20 | 2♠ | ♣6 | = | +0 |
| -0.5 | Round 11 | INDONESIA Seniors | 14 | 3♣ | ♦Q | +2 | +1 |
| -1.9 | Round 15 | AURUSSIA | 23 | Pass | -3 | ||
| -4.6 | Round 11 | INDONESIA Seniors | 16 | 3NT | ♠7 | -2 | -6 |
| -5.1 | Round 11 | INDONESIA Seniors | 11 | 4♥ | ♣A | = | -8 |
| -5.6 | Round 11 | INDONESIA Seniors | 17 | 2♥ | ♠2 | +1 | -11 |
| -5.9 | Round 15 | AURUSSIA | 26 | 3NT | ♣Q | = | +1 |
| -7.1 | Round 15 | AURUSSIA | 30 | 3NT | ♥9 | = | -6 |
| -10.4 | Round 15 | AURUSSIA | 21 | 4♥x | ♣J | -2 | -12 |