🇹🇼 CHEN Jiun-Ming · CHINESE TAIPEI OPEN
vs par split: bidding -0.94 · play -0.25
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted -0.52/bd
Card play — on target: opening leads 100.0% #1 of 62 · declarer play 69.2% #47 of 62 · defence 92.3% #18 of 62
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 100.0% (9) |
| Declarer play | 50.0% (2) | 72.7% (11) |
| Defence | 88.9% (9) | 94.1% (17) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (3) · ♦ 100.0% (5) · ♣ 100.0% (4)
vs par by strain: NT -1.21 (14) · a suit -1.18 (34)
vs par by level: part-score -1.06 (18) · game -1.36 (28) · slam +0.00 (2)
By role: declaring -2.11/bd (-4.32 vs par · 22) · defending +0.57/bd (+1.46 vs par · 26)
By vulnerability: vulnerable -1.19/bd (-1.75 vs par · 24) · not vulnerable -0.13/bd (-0.62 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Lin | M.Moran – J.Carroll | Closed | 8 | -5.9 | -0.74 | -3.62 |
| Round 2 | H.Lin | I.Herbst – O.Herbst | Open | 8 | -9.0 | -1.12 | +0.25 |
| Round 3 | Y.Hung | G.Fractman – F.Goded | Open | 8 | -13.4 | -1.68 | -1.50 |
| Round 4 | H.Lin | M.Brown – M.Whibley | Open | 8 | -15.8 | -1.98 | -4.38 |
| Round 5 | H.Lin | C.Nyberg – J.Juuri-Oja | Closed | 8 | -5.8 | -0.72 | -2.50 |
| Round 6 | H.Lin | S.Zhang – E.Wold | Closed | 8 | +18.2 | +2.27 | +4.62 |
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 |
|---|---|---|---|---|---|---|---|
| +13.4 | Round 6 | 🇺🇸 USA MIX | 13 | 5♣ | ♠10 | +2 | +16 |
| +7.9 | Round 6 | 🇺🇸 USA MIX | 12 | 4♠ | ♣A | -2 | +11 |
| +6.6 | Round 2 | 🇮🇱 ISRAEL | 11 | 3NT | ♦3 | -1 | +10 |
| +6.5 | Round 1 | 🇮🇪 IRELAND | 1 | 5♠ | ♥K | +1 | +1 |
| +5.4 | Round 5 | 🇫🇮 FINLAND | 1 | 3NT | ♥4 | -1 | +10 |
| +4.6 | Round 3 | GAUSS | 22 | 4♠ | ♦J | -1 | +6 |
| +4.6 | Round 4 | PERO BUENO | 29 | 5♥x | ♣K | -2 | +4 |
| +4.3 | Round 1 | 🇮🇪 IRELAND | 4 | 4♥ | ♦7 | = | +0 |
| +4.0 | Round 1 | 🇮🇪 IRELAND | 7 | 2NT | ♣10 | +1 | +0 |
| +2.3 | Round 6 | 🇺🇸 USA MIX | 9 | 3♣ | ♠3 | +1 | +0 |
| +2.1 | Round 5 | 🇫🇮 FINLAND | 7 | 2NT | ♠4 | -1 | +5 |
| +1.4 | Round 3 | GAUSS | 21 | 3NT | ♣4 | +2 | +1 |
| +1.3 | Round 5 | 🇫🇮 FINLAND | 8 | 3♥ | ♦J | -3 | +0 |
| +1.1 | Round 6 | 🇺🇸 USA MIX | 11 | 3♥ | ♦Q | -1 | +6 |
| +1.0 | Round 1 | 🇮🇪 IRELAND | 8 | 6♣x | ♦A | -2 | +0 |
| +1.0 | Round 2 | 🇮🇱 ISRAEL | 15 | 2♠ | ♦6 | = | +7 |
| +0.9 | Round 1 | 🇮🇪 IRELAND | 3 | 2♠ | ♣K | +1 | +0 |
| +0.9 | Round 5 | 🇫🇮 FINLAND | 5 | 2♦ | ♥4 | +1 | +0 |
| +0.4 | Round 2 | 🇮🇱 ISRAEL | 9 | 3NT | ♣9 | +1 | +0 |
| +0.2 | Round 4 | PERO BUENO | 26 | 3NT | ♦2 | +3 | -13 |
| +0.2 | Round 6 | 🇺🇸 USA MIX | 16 | 2♥ | ♠J | +1 | +0 |
| -0.1 | Round 4 | PERO BUENO | 27 | 4♠ | ♣A | = | +0 |
| -0.3 | Round 2 | 🇮🇱 ISRAEL | 14 | 3♥ | ♦A | -1 | +3 |
| -0.5 | Round 1 | 🇮🇪 IRELAND | 6 | 4♠ | ♦7 | -1 | -5 |
| -0.5 | Round 4 | PERO BUENO | 28 | 4♠ | ♣7 | +1 | +0 |
| -0.5 | Round 4 | PERO BUENO | 30 | 3NT | ♦7 | = | +1 |
| -0.6 | Round 3 | GAUSS | 19 | 3NT | ♦6 | = | -1 |
| -1.0 | Round 2 | 🇮🇱 ISRAEL | 12 | 2♠ | ♣A | -3 | -8 |
| -1.5 | Round 6 | 🇺🇸 USA MIX | 10 | 4♠ | ♦J | = | +13 |
| -1.7 | Round 5 | 🇫🇮 FINLAND | 2 | 1♠ | ♥Q | +2 | +0 |
| -1.7 | Round 6 | 🇺🇸 USA MIX | 14 | 5♥x | ♠A | -1 | -9 |
| -2.0 | Round 3 | GAUSS | 17 | 4♥ | ♣6 | = | +1 |
| -2.5 | Round 3 | GAUSS | 24 | 4♠ | ♦10 | -2 | -5 |
| -2.6 | Round 5 | 🇫🇮 FINLAND | 4 | 5♦x | ♣A | -3 | -12 |
| -3.0 | Round 3 | GAUSS | 18 | 3NT | ♥5 | -1 | -12 |
| -3.2 | Round 4 | PERO BUENO | 25 | 1NT | ♣5 | = | -5 |
| -3.5 | Round 6 | 🇺🇸 USA MIX | 15 | 2♠ | ♦8 | = | +0 |
| -3.7 | Round 2 | 🇮🇱 ISRAEL | 10 | 3NT | ♦K | = | +1 |
| -4.5 | Round 5 | 🇫🇮 FINLAND | 6 | 3NT | ♥2 | +3 | -14 |
| -4.8 | Round 4 | PERO BUENO | 32 | 2♠ | ♠4 | -1 | -5 |
| -5.4 | Round 3 | GAUSS | 20 | 3NT | ♠6 | = | +0 |
| -5.9 | Round 3 | GAUSS | 23 | 4♦x | ♠2 | -1 | -2 |
| -6.0 | Round 2 | 🇮🇱 ISRAEL | 13 | 2♣ | ♦4 | +2 | -11 |
| -6.0 | Round 2 | 🇮🇱 ISRAEL | 16 | 7♥x | ♣7 | -1 | +0 |
| -6.7 | Round 5 | 🇫🇮 FINLAND | 3 | 3♠ | ♥6 | +1 | -9 |
| -9.6 | Round 1 | 🇮🇪 IRELAND | 5 | 4♠ | ♣A | -1 | -12 |
| -11.5 | Round 4 | PERO BUENO | 31 | 5♣ | ♠Q | +2 | -17 |
| -12.5 | Round 1 | 🇮🇪 IRELAND | 2 | 4♥ | ♠A | -2 | -13 |