🇹🇼 YEH Chen · CHINESE TAIPEI
vs par split: bidding +0.44 · play -0.39
Strength of schedule: opponents averaged +0.32/bd (a tough draw) → opponent-adjusted -0.12/bd
Card play — on target: opening leads 82.4% · declarer play 66.7% · defence 76.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 88.9% (9) |
| Declarer play | 62.5% (8) | 68.8% (16) |
| Defence | 70.0% (10) | 80.0% (20) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 80.0% (5) · ♦ 60.0% (5) · ♣ 100.0% (2)
vs par by strain: NT +0.50 (22) · a suit -0.19 (42)
vs par by level: part-score +0.00 (23) · game +0.29 (38) · slam -2.67 (3)
By role: declaring -0.60/bd (-1.82 vs par · 34) · defending -0.26/bd (+2.17 vs par · 30)
By vulnerability: vulnerable -0.65/bd (-0.56 vs par · 32) · not vulnerable -0.23/bd (+0.66 vs par · 32)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | C.Lin | S.Lev – S.Landen | Open | 16 | +4.9 | +0.31 | +0.06 |
| Round 7 | C.Lin | Y.Nakamura – H.Abe | Open | 16 | -10.0 | -0.62 | -0.69 |
| Round 10 | C.Lin | T.Thomson – J.Cormack | Open | 16 | -32.4 | -2.02 | -1.94 |
| Round 13 | C.Lin | P.Magyar – G.Szappanos | Open | 16 | +9.4 | +0.59 | +2.75 |
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 |
|---|---|---|---|---|---|---|---|
| +7.9 | Round 4 | 🇺🇸 USA | 26 | 3NT | ♥10 | = | +10 |
| +7.0 | Round 13 | 🇭🇺 HUNGARY | 6 | 3NT | ♦10 | = | +7 |
| +6.1 | Round 4 | 🇺🇸 USA | 30 | 3NT | ♠4 | +1 | +0 |
| +5.5 | Round 7 | 🇯🇵 JAPAN | 7 | 5♥x | ♦A | = | +5 |
| +5.5 | Round 10 | 🇳🇿 NEW ZEALAND | 18 | 3NT | ♥J | = | +3 |
| +5.3 | Round 13 | 🇭🇺 HUNGARY | 4 | 3NT | ♥K | -2 | +16 |
| +4.1 | Round 7 | 🇯🇵 JAPAN | 4 | 4♠ | ♥Q | = | +3 |
| +4.1 | Round 10 | 🇳🇿 NEW ZEALAND | 30 | 2♠ | ♦5 | +1 | +6 |
| +4.0 | Round 7 | 🇯🇵 JAPAN | 14 | 4♥ | ♠2 | -1 | +10 |
| +3.5 | Round 4 | 🇺🇸 USA | 18 | 3♣ | ♦8 | -1 | +4 |
| +2.9 | Round 4 | 🇺🇸 USA | 25 | 5♥ | ♣3 | = | -11 |
| +2.9 | Round 13 | 🇭🇺 HUNGARY | 9 | 2NT | ♠7 | +2 | -6 |
| +2.6 | Round 4 | 🇺🇸 USA | 31 | 1♣x | ♣4 | = | +1 |
| +2.4 | Round 4 | 🇺🇸 USA | 21 | 3♠ | ♦2 | -1 | +5 |
| +2.1 | Round 4 | 🇺🇸 USA | 19 | 5♣ | ♦2 | -1 | +2 |
| +2.0 | Round 13 | 🇭🇺 HUNGARY | 1 | 3NT | ♥6 | -2 | +5 |
| +1.9 | Round 10 | 🇳🇿 NEW ZEALAND | 29 | 2♠ | ♦A | +1 | +0 |
| +1.7 | Round 7 | 🇯🇵 JAPAN | 16 | 4♠ | ♦J | +2 | -12 |
| +1.7 | Round 10 | 🇳🇿 NEW ZEALAND | 19 | 4♠ | ♣10 | = | +11 |
| +1.4 | Round 7 | 🇯🇵 JAPAN | 9 | 4♥ | ♠3 | -2 | +11 |
| +1.1 | Round 10 | 🇳🇿 NEW ZEALAND | 27 | 1NT | ♥2 | -1 | +8 |
| +1.1 | Round 13 | 🇭🇺 HUNGARY | 10 | 3♥ | ♦A | = | +0 |
| +0.9 | Round 10 | 🇳🇿 NEW ZEALAND | 25 | 6♠ | ♦A | = | +0 |
| +0.8 | Round 7 | 🇯🇵 JAPAN | 10 | 3NT | ♦3 | = | +2 |
| +0.8 | Round 10 | 🇳🇿 NEW ZEALAND | 17 | 3NT | ♣3 | +2 | +0 |
| +0.7 | Round 13 | 🇭🇺 HUNGARY | 2 | 4♠ | ♠5 | +2 | +1 |
| +0.5 | Round 10 | 🇳🇿 NEW ZEALAND | 24 | 3NT | ♠10 | +2 | +0 |
| +0.3 | Round 7 | 🇯🇵 JAPAN | 15 | 4♥ | ♣3 | -1 | -1 |
| +0.2 | Round 4 | 🇺🇸 USA | 17 | 3♠ | ♦5 | +1 | +6 |
| +0.2 | Round 13 | 🇭🇺 HUNGARY | 15 | 4♠x | ♦Q | -1 | +0 |
| +0.1 | Round 7 | 🇯🇵 JAPAN | 13 | 1♠ | ♣4 | = | -1 |
| +0.0 | Round 4 | 🇺🇸 USA | 20 | 4♥ | ♦2 | +1 | +0 |
| +0.0 | Round 13 | 🇭🇺 HUNGARY | 12 | 2♣ | ♠A | +1 | -1 |
| +0.0 | Round 13 | 🇭🇺 HUNGARY | 14 | 6♦ | ♠6 | = | +12 |
| -0.1 | Round 10 | 🇳🇿 NEW ZEALAND | 21 | 3NT | ♠J | +1 | +1 |
| -0.2 | Round 7 | 🇯🇵 JAPAN | 1 | 4♥ | ♠3 | +1 | +11 |
| -0.3 | Round 7 | 🇯🇵 JAPAN | 6 | 1NT | ♣K | +1 | -1 |
| -0.4 | Round 4 | 🇺🇸 USA | 28 | 1♠ | ♠2 | +2 | +0 |
| -0.4 | Round 13 | 🇭🇺 HUNGARY | 16 | 3NT | ♣2 | = | +2 |
| -0.5 | Round 4 | 🇺🇸 USA | 23 | 4♥ | ♦2 | = | +0 |
| -0.5 | Round 7 | 🇯🇵 JAPAN | 2 | 3NT | ♥8 | +2 | +0 |
| -0.6 | Round 13 | 🇭🇺 HUNGARY | 5 | 4♠ | ♥4 | = | -1 |
| -0.7 | Round 13 | 🇭🇺 HUNGARY | 8 | 3♦ | ♠Q | -1 | +4 |
| -0.9 | Round 10 | 🇳🇿 NEW ZEALAND | 32 | 2♥ | ♣4 | +1 | -7 |
| -1.3 | Round 7 | 🇯🇵 JAPAN | 11 | 3NT | ♥2 | +2 | -1 |
| -1.3 | Round 13 | 🇭🇺 HUNGARY | 7 | 4♥ | ♦4 | +1 | +0 |
| -1.6 | Round 13 | 🇭🇺 HUNGARY | 3 | 3♥ | ♠A | -1 | +2 |
| -2.0 | Round 4 | 🇺🇸 USA | 32 | 3♥ | ♦2 | -1 | +3 |
| -2.2 | Round 7 | 🇯🇵 JAPAN | 12 | 4♠ | ♦K | +1 | -1 |
| -2.5 | Round 13 | 🇭🇺 HUNGARY | 13 | 2♣ | ♠K | -3 | +8 |
| -2.7 | Round 13 | 🇭🇺 HUNGARY | 11 | 1NT | ♥Q | -2 | -5 |
| -2.8 | Round 10 | 🇳🇿 NEW ZEALAND | 22 | 3NT | ♣K | = | +1 |
| -3.5 | Round 4 | 🇺🇸 USA | 22 | 3♦ | ♥A | -3 | -2 |
| -3.8 | Round 4 | 🇺🇸 USA | 27 | 1♠ | ♠2 | = | -10 |
| -5.6 | Round 10 | 🇳🇿 NEW ZEALAND | 28 | 4♥ | ♣A | = | -7 |
| -6.1 | Round 7 | 🇯🇵 JAPAN | 8 | 3NT | ♥2 | +2 | -14 |
| -6.2 | Round 4 | 🇺🇸 USA | 29 | 4♦ | ♠2 | -1 | -6 |
| -6.4 | Round 4 | 🇺🇸 USA | 24 | 3NT | ♦2 | +1 | -1 |
| -7.9 | Round 10 | 🇳🇿 NEW ZEALAND | 20 | 2♥ | ♦K | +2 | -8 |
| -8.1 | Round 10 | 🇳🇿 NEW ZEALAND | 23 | 4♠ | ♥K | -1 | -13 |
| -8.6 | Round 7 | 🇯🇵 JAPAN | 3 | 5♦ | ♠2 | -1 | -12 |
| -8.7 | Round 7 | 🇯🇵 JAPAN | 5 | 3NT | ♥2 | = | -10 |
| -9.0 | Round 10 | 🇳🇿 NEW ZEALAND | 26 | 3NT | ♠10 | -1 | -6 |
| -14.5 | Round 10 | 🇳🇿 NEW ZEALAND | 31 | 7♥ | ♠J | -1 | -20 |