🇹🇼 CHU Chih-Wei · CHINESE TAIPEI
vs par split: bidding -0.01 · play +0.12
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted +0.59/bd
Card play — on target: opening leads 85.7% #31 of 105 · declarer play 72.7% #47 of 105 · defence 83.3% #42 of 105
Bidding activity — not a pass: 40.1% #76 of 105 (81/202)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 90.9% (11) |
| Declarer play | 50.0% (4) | 77.8% (18) |
| Defence | 85.7% (7) | 82.6% (23) |
Opening leads by suit led: ♥ 83.3% (6) · ♦ 100.0% (5) · ♣ 66.7% (3)
vs par by strain: NT -0.22 (18) · a suit +0.22 (54)
vs par by level: part-score -0.08 (24) · game -0.41 (41) · slam +3.86 (7)
By role: declaring +0.07/bd (-2.43 vs par · 42) · defending +1.19/bd (+3.67 vs par · 30)
By vulnerability: vulnerable +0.11/bd (+0.33 vs par · 36) · not vulnerable +0.96/bd (-0.11 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | S.Chen | I.Kapidakis – E.Kapidaki | Open | 8 | +7.2 | +0.90 | +2.38 |
| Round 4 | S.Chen | M.Blicharz – H.Ozibko | Open | 8 | -6.8 | -0.85 | -1.50 |
| Round 5 | S.Chen | T.Blomsteel – Y.Liu | Open | 8 | +0.6 | +0.07 | +0.75 |
| Round 8 | S.Chen | L.Straume – B.Bethere | Closed | 8 | -2.2 | -0.28 | +3.00 |
| Round 10 | S.Chen | C.Birdsall – S.Akayan | Closed | 8 | +2.3 | +0.29 | +0.50 |
| Round 11 | S.Chen | E.Olsen – M.Moe | Open | 8 | +15.6 | +1.95 | +0.50 |
| Round 14 | S.Chen | L.Crepin – E.Lyoen | Open | 8 | +10.9 | +1.36 | -3.12 |
| Round 15 | S.Chen | Y.Hiba – R.Khutorsky | Closed | 8 | -5.3 | -0.66 | -1.62 |
| Round 17 | S.Chen | Z.Zhao – Z.Zhu | Open | 8 | +16.2 | +2.02 | +0.12 |
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 14 | 🇫🇷 FRANCE | 22 | 6♦ | ♥5 | -1 | +13 |
| +9.7 | Round 17 | 🇨🇳 CHINA | 10 | 5♦ | ♦2 | -2 | +17 |
| +7.8 | Round 11 | 🇳🇴 NORWAY | 22 | 6♠ | ♥3 | = | +11 |
| +7.3 | Round 8 | 🇱🇻 LATVIA | 28 | 6♠ | ♦6 | -1 | +14 |
| +7.1 | Round 10 | 🏴 ENGLAND | 13 | 4♠ | ♣4 | +3 | +17 |
| +6.1 | Round 15 | 🇮🇱 ISRAEL | 25 | 3NT | ♥7 | -1 | +6 |
| +6.1 | Round 15 | 🇮🇱 ISRAEL | 32 | 3NT | ♣9 | -2 | +8 |
| +5.9 | Round 4 | 🇵🇱 POLAND | 27 | 2NT | ♠7 | -2 | +11 |
| +5.2 | Round 2 | 🇬🇷 GREECE | 14 | 3♣ | ♦A | -4 | +7 |
| +5.2 | Round 10 | 🏴 ENGLAND | 10 | 5♦ | ♠K | +1 | +3 |
| +5.2 | Round 11 | 🇳🇴 NORWAY | 21 | 3NT | ♣T | -1 | +5 |
| +5.0 | Round 17 | 🇨🇳 CHINA | 12 | 3NT | ♦3 | +1 | +1 |
| +4.8 | Round 11 | 🇳🇴 NORWAY | 24 | 3NT | ♠4 | -1 | +10 |
| +4.4 | Round 2 | 🇬🇷 GREECE | 12 | 4♥ | ♠A | -3 | +7 |
| +4.2 | Round 14 | 🇫🇷 FRANCE | 24 | 3NT | ♠6 | +1 | +0 |
| +3.9 | Round 10 | 🏴 ENGLAND | 9 | 6♠ | ♥6 | = | +0 |
| +3.9 | Round 15 | 🇮🇱 ISRAEL | 30 | 4♠ | ♥6 | = | -1 |
| +3.2 | Round 5 | 🇳🇱 NETHERLANDS | 5 | 3♥ | ♠7 | = | -4 |
| +3.1 | Round 2 | 🇬🇷 GREECE | 10 | 2♥ | ♠A | +1 | +6 |
| +3.1 | Round 17 | 🇨🇳 CHINA | 15 | 3NT | ♣5 | = | -2 |
| +2.8 | Round 8 | 🇱🇻 LATVIA | 29 | 2♠ | ♠6 | +3 | +10 |
| +2.8 | Round 11 | 🇳🇴 NORWAY | 18 | 4♥ | ♣A | -2 | -11 |
| +2.5 | Round 14 | 🇫🇷 FRANCE | 19 | 4♠ | ♥K | +1 | +0 |
| +2.4 | Round 4 | 🇵🇱 POLAND | 32 | 6NT | ♠4 | = | -11 |
| +2.4 | Round 10 | 🏴 ENGLAND | 16 | 4♠ | ♦4 | -2 | -5 |
| +2.3 | Round 14 | 🇫🇷 FRANCE | 23 | 3♦ | ♠A | +1 | -10 |
| +2.1 | Round 4 | 🇵🇱 POLAND | 29 | 3NT | ♥6 | = | -2 |
| +2.0 | Round 15 | 🇮🇱 ISRAEL | 29 | 3♣ | ♦K | +1 | +0 |
| +1.8 | Round 10 | 🏴 ENGLAND | 12 | 4♠ | ♥A | -1 | +6 |
| +1.8 | Round 11 | 🇳🇴 NORWAY | 17 | 2♠ | ♦K | +1 | +0 |
| +1.8 | Round 17 | 🇨🇳 CHINA | 11 | 4♠ | ♦7 | +1 | +0 |
| +1.5 | Round 8 | 🇱🇻 LATVIA | 32 | 5♠x | ♣A | -3 | +12 |
| +1.4 | Round 14 | 🇫🇷 FRANCE | 20 | 4♠ | ♦A | -2 | -9 |
| +0.9 | Round 4 | 🇵🇱 POLAND | 26 | 1NT | ♠A | +3 | -10 |
| +0.8 | Round 5 | 🇳🇱 NETHERLANDS | 4 | 4♥ | ♠T | -1 | -1 |
| +0.5 | Round 5 | 🇳🇱 NETHERLANDS | 3 | 4♠ | ♦3 | = | +0 |
| +0.5 | Round 11 | 🇳🇴 NORWAY | 19 | 3NT | ♥9 | = | +0 |
| +0.3 | Round 5 | 🇳🇱 NETHERLANDS | 1 | 2♠ | ♥8 | -2 | +5 |
| +0.2 | Round 17 | 🇨🇳 CHINA | 16 | 2NT | ♥8 | = | +0 |
| +0.1 | Round 8 | 🇱🇻 LATVIA | 30 | 4♠ | ♥4 | +2 | +1 |
| -0.1 | Round 5 | 🇳🇱 NETHERLANDS | 6 | 1NT | ♥5 | +3 | +9 |
| -0.1 | Round 5 | 🇳🇱 NETHERLANDS | 7 | 4♠ | ♥3 | = | +0 |
| -0.1 | Round 11 | 🇳🇴 NORWAY | 20 | 1NT | ♥6 | = | +1 |
| -0.1 | Round 17 | 🇨🇳 CHINA | 14 | 2♠ | ♦A | -1 | -4 |
| -0.2 | Round 17 | 🇨🇳 CHINA | 9 | 4♥ | ♠J | +2 | -11 |
| -0.4 | Round 2 | 🇬🇷 GREECE | 9 | 4♠ | ♦6 | = | +0 |
| -0.5 | Round 2 | 🇬🇷 GREECE | 11 | 2♦ | ♥5 | +1 | -7 |
| -0.6 | Round 2 | 🇬🇷 GREECE | 15 | 2♥ | ♦T | -1 | +8 |
| -1.4 | Round 15 | 🇮🇱 ISRAEL | 28 | 4♠ | ♦T | = | -6 |
| -1.5 | Round 14 | 🇫🇷 FRANCE | 21 | 4♥ | ♦K | = | +0 |
| -1.8 | Round 2 | 🇬🇷 GREECE | 16 | 3♦ | ♥7 | = | +0 |
| -1.8 | Round 5 | 🇳🇱 NETHERLANDS | 2 | 4♥ | ♠K | -1 | +1 |
| -2.2 | Round 2 | 🇬🇷 GREECE | 13 | 4♥ | ♣A | -2 | -2 |
| -2.2 | Round 4 | 🇵🇱 POLAND | 25 | 1NT | ♠3 | +2 | -7 |
| -2.2 | Round 5 | 🇳🇱 NETHERLANDS | 8 | 3♥ | ♠K | -1 | -4 |
| -2.5 | Round 15 | 🇮🇱 ISRAEL | 27 | 3♥ | ♦J | +1 | -7 |
| -2.9 | Round 4 | 🇵🇱 POLAND | 31 | 2♥ | ♠5 | = | +0 |
| -2.9 | Round 8 | 🇱🇻 LATVIA | 25 | 4♥ | ♠7 | = | -3 |
| -3.1 | Round 8 | 🇱🇻 LATVIA | 31 | 4♠ | ♦6 | = | +0 |
| -3.3 | Round 17 | 🇨🇳 CHINA | 13 | 4♥ | ♣A | +1 | +0 |
| -3.6 | Round 8 | 🇱🇻 LATVIA | 27 | 4♠ | ♥2 | -1 | -10 |
| -4.1 | Round 4 | 🇵🇱 POLAND | 30 | 4♠ | ♦2 | -1 | -4 |
| -4.3 | Round 8 | 🇱🇻 LATVIA | 26 | 3♥ | ♦A | -1 | +0 |
| -4.6 | Round 14 | 🇫🇷 FRANCE | 18 | 4♠x | ♦2 | -1 | -8 |
| -4.8 | Round 10 | 🏴 ENGLAND | 15 | 2♣ | ♥T | +1 | -5 |
| -5.1 | Round 10 | 🏴 ENGLAND | 14 | 3♠ | ♥3 | +1 | -1 |
| -5.1 | Round 14 | 🇫🇷 FRANCE | 17 | 3NT | ♠2 | -2 | -11 |
| -7.2 | Round 11 | 🇳🇴 NORWAY | 23 | 3NT | ♥7 | -1 | -12 |
| -7.6 | Round 15 | 🇮🇱 ISRAEL | 31 | 5♠ | ♥A | -2 | -2 |
| -8.2 | Round 10 | 🏴 ENGLAND | 11 | 6♠ | ♥4 | -1 | -11 |
| -8.9 | Round 4 | 🇵🇱 POLAND | 28 | 6♣ | ♠Q | +1 | +11 |
| -11.9 | Round 15 | 🇮🇱 ISRAEL | 26 | 4♥ | ♦A | = | -11 |