CHEN Jiun-Ming · CHINESE TAIPEI OPEN
vs par split: bidding +1.01 · play +0.42
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.38/bd
Card play — on target: opening leads 70.6% #215 of 268 · declarer play 53.8% #244 of 268 · defence 83.8% #154 of 268
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 76.9% (13) |
| Declarer play | 100.0% (5) | 25.0% (8) |
| Defence | 77.8% (9) | 85.7% (28) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 33.3% (3) · ♦ 100.0% (5) · ♣ 40.0% (5)
vs par by strain: NT +0.91 (21) · a suit +1.65 (51)
vs par by level: part-score -0.40 (25) · game +2.98 (43) · slam -3.75 (4)
By role: declaring +0.35/bd (-0.83 vs par · 35) · defending +0.61/bd (+3.57 vs par · 37)
By vulnerability: vulnerable +0.94/bd (+2.97 vs par · 36) · not vulnerable +0.03/bd (-0.11 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Lin | A.Shah – BHATNAGAR DEVI MUTHU | Open | 12 | +7.6 | +0.63 | +0.67 |
| Round 2 | H.Lin | A.Black – D.Gold | Open | 12 | +4.8 | +0.40 | +0.58 |
| Round 3 | H.Lin | S.Brock – H.Dhondy | Open | 12 | -4.4 | -0.37 | +0.58 |
| Round 6 | H.Lin | V.Markowicz – K.Moszczynski | Open | 12 | +6.7 | +0.56 | +4.08 |
| Round 7 | Y.Hung | M.Pauly – O.Ruthenberg | Closed | 12 | +19.1 | +1.59 | +2.00 |
| Round 8 | H.Lin | L.Meier – G.Tislevoll | Open | 12 | +1.2 | +0.10 | +0.67 |
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 |
|---|---|---|---|---|---|---|---|
| +13.6 | Round 2 | BLACK | 23 | 5♣ | ♦A | +1 | +17 |
| +9.4 | Round 2 | BLACK | 18 | 5♠ | ♥K | -1 | +10 |
| +9.0 | Round 6 | POLAND SENIORS | 14 | 3NT | ♠J | +1 | +7 |
| +8.1 | Round 7 | TAMEWARE | 5 | 5♠ | ♦4 | -1 | +10 |
| +8.1 | Round 7 | TAMEWARE | 12 | 4♦ | ♠6 | -4 | +8 |
| +7.7 | Round 2 | BLACK | 21 | 6♥ | ♦10 | -1 | +14 |
| +6.9 | Round 7 | TAMEWARE | 4 | 2♦ | ♥Q | = | +12 |
| +6.4 | Round 3 | ENGLAND WOMEN | 3 | 5♦ | ♠K | = | +5 |
| +6.0 | Round 1 | INDIAN WOMEN | 10 | 2♠ | ♥A | = | +6 |
| +6.0 | Round 7 | TAMEWARE | 8 | 3♠ | ♣A | = | +11 |
| +5.7 | Round 6 | POLAND SENIORS | 17 | 3NT | ♠7 | -3 | +7 |
| +5.2 | Round 8 | CHAGAS | 16 | 3NT | ♥2 | +1 | +7 |
| +5.2 | Round 8 | CHAGAS | 21 | 3♦ | ♥A | +1 | +1 |
| +4.6 | Round 2 | BLACK | 24 | 3NT | ♣4 | -2 | +11 |
| +4.2 | Round 1 | INDIAN WOMEN | 2 | 4♥ | ♠A | -1 | +10 |
| +4.0 | Round 1 | INDIAN WOMEN | 8 | 3NT | ♥10 | +2 | +2 |
| +3.4 | Round 8 | CHAGAS | 22 | 3NT | ♦8 | -1 | +6 |
| +3.3 | Round 1 | INDIAN WOMEN | 12 | 5♦ | ♦J | +2 | +14 |
| +3.1 | Round 3 | ENGLAND WOMEN | 5 | 4♥ | ♠Q | -3 | +11 |
| +3.0 | Round 8 | CHAGAS | 19 | 2NT | ♠A | = | +6 |
| +2.9 | Round 1 | INDIAN WOMEN | 11 | 4♥ | ♦A | = | +0 |
| +2.7 | Round 3 | ENGLAND WOMEN | 12 | 4♥ | ♦10 | -3 | +7 |
| +2.5 | Round 6 | POLAND SENIORS | 24 | 5♦x | ♠K | -3 | +2 |
| +2.4 | Round 3 | ENGLAND WOMEN | 11 | 4♠ | ♦K | -2 | +5 |
| +1.7 | Round 7 | TAMEWARE | 11 | 2♠ | ♦6 | +1 | +0 |
| +1.5 | Round 6 | POLAND SENIORS | 18 | 4♠ | ♥A | -1 | +5 |
| +1.1 | Round 1 | INDIAN WOMEN | 1 | 3NT | ♥2 | +2 | +0 |
| +1.0 | Round 6 | POLAND SENIORS | 13 | 3NT | ♣4 | +2 | +1 |
| +0.9 | Round 3 | ENGLAND WOMEN | 4 | 2♦ | ♥K | +2 | +11 |
| +0.8 | Round 7 | TAMEWARE | 1 | 4♠ | ♠3 | +1 | +1 |
| +0.7 | Round 1 | INDIAN WOMEN | 3 | 3NT | ♥6 | +1 | +0 |
| +0.7 | Round 1 | INDIAN WOMEN | 9 | 1NT | ♣K | -1 | +1 |
| +0.5 | Round 7 | TAMEWARE | 3 | 3♣ | ♦J | +2 | -7 |
| +0.4 | Round 8 | CHAGAS | 18 | 2NT | ♠A | +2 | +1 |
| +0.3 | Round 1 | INDIAN WOMEN | 5 | 3NT | ♥2 | = | -2 |
| +0.2 | Round 2 | BLACK | 22 | 4♥ | ♥9 | = | -1 |
| +0.2 | Round 8 | CHAGAS | 23 | 1NT | ♥Q | = | +2 |
| -0.1 | Round 3 | ENGLAND WOMEN | 10 | 4♠ | ♥K | = | +0 |
| -0.1 | Round 6 | POLAND SENIORS | 20 | 4♥ | ♦Q | +1 | +13 |
| -0.1 | Round 8 | CHAGAS | 20 | 3NT | ♠Q | +2 | +0 |
| -0.7 | Round 2 | BLACK | 20 | 2♥ | ♦8 | = | -1 |
| -0.7 | Round 3 | ENGLAND WOMEN | 7 | 2♥ | ♠J | +1 | +0 |
| -0.9 | Round 3 | ENGLAND WOMEN | 9 | 3♦ | ♥3 | -1 | +3 |
| -0.9 | Round 6 | POLAND SENIORS | 19 | 4♠ | ♦Q | +1 | +13 |
| -1.1 | Round 3 | ENGLAND WOMEN | 2 | 2♠ | ♣J | +1 | -6 |
| -1.3 | Round 3 | ENGLAND WOMEN | 6 | 6♥ | ♠A | -1 | -11 |
| -1.4 | Round 7 | TAMEWARE | 6 | 1♠ | ♦K | +2 | -7 |
| -1.5 | Round 6 | POLAND SENIORS | 15 | 4♥ | ♥8 | = | +0 |
| -1.9 | Round 7 | TAMEWARE | 10 | 3NT | ♣5 | +1 | -1 |
| -1.9 | Round 8 | CHAGAS | 24 | 3NT | ♥Q | +3 | -1 |
| -2.1 | Round 6 | POLAND SENIORS | 21 | 1NT | ♥J | -2 | -2 |
| -2.2 | Round 8 | CHAGAS | 15 | 3♣ | ♣2 | -2 | -11 |
| -2.3 | Round 7 | TAMEWARE | 7 | 3♦ | ♣J | +1 | +0 |
| -2.3 | Round 8 | CHAGAS | 17 | 2♠ | ♣6 | -2 | +0 |
| -2.5 | Round 1 | INDIAN WOMEN | 7 | 2NT | ♠2 | +2 | -10 |
| -2.6 | Round 2 | BLACK | 19 | 4♠ | ♦4 | +1 | +0 |
| -2.7 | Round 6 | POLAND SENIORS | 22 | 4♠ | ♥K | = | -3 |
| -2.7 | Round 6 | POLAND SENIORS | 23 | 4♠ | ♥4 | +2 | +9 |
| -3.0 | Round 6 | POLAND SENIORS | 16 | 4♥ | ♠J | = | -3 |
| -3.7 | Round 7 | TAMEWARE | 2 | 4♥x | ♣3 | -1 | -2 |
| -3.7 | Round 7 | TAMEWARE | 9 | 4♠ | ♠2 | +2 | -1 |
| -3.9 | Round 8 | CHAGAS | 14 | 4♠ | ♣5 | -3 | -2 |
| -4.0 | Round 2 | BLACK | 17 | 2NT | ♥K | = | -9 |
| -4.5 | Round 2 | BLACK | 16 | 1♣x | ♦Q | = | -6 |
| -5.2 | Round 1 | INDIAN WOMEN | 6 | 3♦ | ♠10 | +2 | -13 |
| -5.5 | Round 2 | BLACK | 15 | 6♦ | ♠A | -2 | -7 |
| -5.7 | Round 2 | BLACK | 14 | 5♣x | ♠A | -2 | -9 |
| -5.8 | Round 8 | CHAGAS | 13 | 4♠ | ♥9 | +1 | -1 |
| -7.2 | Round 3 | ENGLAND WOMEN | 8 | 3NT | ♥7 | = | -7 |
| -7.7 | Round 2 | BLACK | 13 | 4♠ | ♠4 | -1 | -12 |
| -7.9 | Round 1 | INDIAN WOMEN | 4 | 4♥ | ♣10 | = | +0 |
| -8.6 | Round 3 | ENGLAND WOMEN | 1 | 6♠ | ♣4 | -3 | -11 |