YEH Chen · CHEN
3rank
+28.3Butler · 20 bds
+1.42per board
±3.8swing
+1.75vs par /bd
+1.37adjusted /bd
by round
vs par split: bidding +2.25 · play -0.50
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +1.37/bd
Card play — on target: opening leads 100.0% · declarer play 60.0% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (1) |
| Declarer play | · | 60.0% (5) |
| Defence | · | 100.0% (5) |
Opening leads by suit led: ♦ 100.0% (1)
vs par by strain: a suit +1.75 (12)
vs par by level: part-score +1.00 (6) · game +2.50 (6)
By role: declaring +1.75/bd (+1.61 vs par · 13) · defending +0.80/bd (+2.00 vs par · 7)
By vulnerability: vulnerable +1.41/bd (+1.80 vs par · 10) · not vulnerable +1.42/bd (+1.70 vs par · 10)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Chen | P.Maijarern – T.Yongchareon | Open | 10 | +6.8 | +0.68 | +2.50 |
| Round 3 | C.Chen | D.Liu – Y.Wu | Open | 10 | +21.5 | +2.15 | +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 |
|---|---|---|---|---|---|---|---|
| +9.4 | Round 1 | THAILAND/CBLT | 6 | 3♠x | ♦6 | -2 | +9 |
| +6.5 | Round 3 | HESEN FUND | 25 | 3N | ♥10 | -2 | +7 |
| +6.5 | Round 3 | HESEN FUND | 27 | 3N | ♥9 | = | +7 |
| +6.3 | Round 3 | HESEN FUND | 28 | 3N | ♠4 | +1 | +5 |
| +6.0 | Round 1 | THAILAND/CBLT | 2 | 3N | ♣A | +1 | +8 |
| +3.7 | Round 3 | HESEN FUND | 26 | 5♦x | ♣K | -1 | +3 |
| +3.5 | Round 1 | THAILAND/CBLT | 3 | 4♠ | ♣A | -3 | +11 |
| +3.3 | Round 3 | HESEN FUND | 30 | 3N | ♦K | = | -6 |
| +0.7 | Round 1 | THAILAND/CBLT | 10 | 4♥ | ♠4 | +1 | +4 |
| -0.2 | Round 1 | THAILAND/CBLT | 7 | 2♠ | ♣2 | -3 | +8 |
| -0.3 | Round 3 | HESEN FUND | 21 | 2N | ♣10 | = | -1 |
| -0.3 | Round 3 | HESEN FUND | 22 | 3N | ♣8 | = | -5 |
| -0.6 | Round 3 | HESEN FUND | 24 | 2♥ | ♠8 | = | -1 |
| -1.2 | Round 1 | THAILAND/CBLT | 1 | 2♦ | ♠A | +2 | -8 |
| -1.3 | Round 1 | THAILAND/CBLT | 8 | 1♠x | ♦4 | = | -2 |
| -1.3 | Round 3 | HESEN FUND | 29 | 5♦ | ♣A | +1 | +1 |
| -2.3 | Round 1 | THAILAND/CBLT | 9 | 4N | ♥10 | +2 | -1 |
| -2.3 | Round 3 | HESEN FUND | 23 | 4♠ | ♥8 | +1 | +0 |
| -3.1 | Round 1 | THAILAND/CBLT | 5 | 3♠ | ♠4 | = | +0 |
| -4.7 | Round 1 | THAILAND/CBLT | 4 | 4♠ | ♥6 | -3 | -4 |