🇹🇼 CHEN Kuan-Hsuan · CHINESE TAIPEI
9rank
+100.2Butler · 144 bds
+0.70per board
±4.9swing
+0.64vs par /bd
+0.37adjusted /bd
by round
vs par split: bidding +1.03 · play -0.39
Strength of schedule: opponents averaged -0.32/bd (an easy draw) → opponent-adjusted +0.37/bd
Card play — on target: opening leads 84.4% · declarer play 81.8% · defence 83.6%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 87.0% (23) |
| Declarer play | 77.8% (9) | 83.3% (24) |
| Defence | 81.2% (16) | 84.4% (45) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 100.0% (9) · ♦ 71.4% (7) · ♣ 85.7% (7)
vs par by strain: NT +0.07 (44) · a suit +0.89 (100)
vs par by level: part-score +0.81 (62) · game +0.87 (69) · slam -1.39 (13)
By role: declaring +0.93/bd (-1.26 vs par · 83) · defending +0.38/bd (+3.23 vs par · 61)
By vulnerability: vulnerable +0.19/bd (+0.19 vs par · 72) · not vulnerable +1.20/bd (+1.08 vs par · 72)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | M.Liu | B.Satyanarayana – K.Nadar | Closed | 16 | +14.3 | +0.89 | +0.81 |
| Round 4 | M.Liu | S.Robinson – Z.Lam | Closed | 16 | -8.6 | -0.54 | +0.44 |
| Round 7 | M.Liu | M.Ben Abdallah – N.Landa | Closed | 16 | +21.4 | +1.34 | +0.31 |
| Round 9 | M.Liu | C.Huang – M.Wang | Closed | 16 | +13.2 | +0.82 | -1.06 |
| Round 11 | M.Liu | J.Thompson – N.Rechtman | Open | 16 | +41.1 | +2.57 | +3.00 |
| Round 12 | M.Liu | N.Sebti – A.Tazi | Closed | 16 | +0.1 | +0.01 | +0.38 |
| Round 15 | M.Liu | C.Pellegrini – S.Rocca | Closed | 16 | +16.8 | +1.05 | +0.12 |
| Round 17 | M.Liu | D.Bernal – J.Barrera | Open | 16 | +13.1 | +0.82 | +2.75 |
| Round 18 | M.Liu | B.Dehaye – I.Dewasme | Open | 16 | -11.2 | -0.70 | -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 |
|---|---|---|---|---|---|---|---|
| +12.5 | Round 11 | 🇧🇧 BARBADOS | 14 | 5♦ | ♠8 | +2 | +14 |
| +10.8 | Round 3 | 🇮🇳 INDIA | 5 | 7♣ | ♦4 | = | -2 |
| +10.7 | Round 4 | 🇸🇬 SINGAPORE | 28 | 7NT | ♦7 | -1 | +14 |
| +10.5 | Round 11 | 🇧🇧 BARBADOS | 3 | 4♣ | ♠4 | = | +11 |
| +10.0 | Round 12 | 🇲🇦 MOROCCO | 21 | 5♠ | ♦J | -1 | +11 |
| +9.9 | Round 3 | 🇮🇳 INDIA | 8 | 5♥ | ♦10 | -1 | +14 |
| +9.5 | Round 12 | 🇲🇦 MOROCCO | 32 | 4♠x | ♥J | = | +4 |
| +9.0 | Round 3 | 🇮🇳 INDIA | 7 | 7♣ | ♦4 | -3 | +14 |
| +8.9 | Round 15 | 🇦🇷 ARGENTINA | 13 | 4♣ | ♥K | -1 | +15 |
| +8.8 | Round 15 | 🇦🇷 ARGENTINA | 10 | 4♥ | ♦A | -1 | +12 |
| +8.5 | Round 17 | 🇨🇴 COLOMBIA | 2 | 6NT | ♣9 | = | +0 |
| +8.3 | Round 3 | 🇮🇳 INDIA | 2 | 2♥ | ♠3 | = | +12 |
| +8.3 | Round 7 | 🇹🇳 TUNISIA | 2 | 6♥ | ♣J | +1 | -11 |
| +8.1 | Round 9 | 🇨🇦 CANADA | 2 | 4♠ | ♦6 | -1 | +12 |
| +7.7 | Round 4 | 🇸🇬 SINGAPORE | 20 | 3NT | ♣2 | +1 | +10 |
| +7.3 | Round 17 | 🇨🇴 COLOMBIA | 5 | 6NT | ♦Q | -1 | +14 |
| +7.3 | Round 17 | 🇨🇴 COLOMBIA | 15 | 3NT | ♥6 | +3 | +11 |
| +7.0 | Round 7 | 🇹🇳 TUNISIA | 15 | 5♥ | ♠4 | -2 | +2 |
| +7.0 | Round 12 | 🇲🇦 MOROCCO | 31 | 3♦ | ♣Q | -1 | +10 |
| +6.8 | Round 12 | 🇲🇦 MOROCCO | 24 | 3NT | ♠9 | = | +6 |
| +6.8 | Round 18 | 🇧🇪 BELGIUM | 29 | 3NT | ♥8 | -3 | +14 |
| +6.7 | Round 11 | 🇧🇧 BARBADOS | 16 | 3♦ | ♥Q | +1 | +11 |
| +6.3 | Round 9 | 🇨🇦 CANADA | 16 | 4♣ | ♠4 | = | +7 |
| +6.2 | Round 15 | 🇦🇷 ARGENTINA | 12 | 5♣x | ♦J | = | +9 |
| +5.8 | Round 7 | 🇹🇳 TUNISIA | 13 | 3NT | ♣A | +1 | +0 |
| +5.2 | Round 9 | 🇨🇦 CANADA | 12 | 2♥ | ♥K | -1 | -5 |
| +5.1 | Round 18 | 🇧🇪 BELGIUM | 26 | 4♥ | ♠3 | +1 | +0 |
| +5.0 | Round 11 | 🇧🇧 BARBADOS | 12 | 3♥ | ♠A | +2 | +3 |
| +4.7 | Round 9 | 🇨🇦 CANADA | 13 | 3NT | ♠9 | = | -1 |
| +4.5 | Round 7 | 🇹🇳 TUNISIA | 3 | 3♣ | ♠K | = | +1 |
| +4.5 | Round 12 | 🇲🇦 MOROCCO | 23 | 3♣ | ♣2 | = | +12 |
| +4.3 | Round 9 | 🇨🇦 CANADA | 1 | 3NT | ♠K | = | +3 |
| +4.1 | Round 15 | 🇦🇷 ARGENTINA | 6 | 4♥ | ♠Q | = | -1 |
| +4.0 | Round 3 | 🇮🇳 INDIA | 16 | 3NT | ♥K | +1 | +4 |
| +3.9 | Round 11 | 🇧🇧 BARBADOS | 2 | 3♦x | ♣8 | -1 | +5 |
| +3.9 | Round 17 | 🇨🇴 COLOMBIA | 11 | 4NT | ♥J | +1 | +0 |
| +3.8 | Round 3 | 🇮🇳 INDIA | 15 | 2♣ | ♦7 | = | +6 |
| +3.8 | Round 15 | 🇦🇷 ARGENTINA | 5 | 3NT | ♠Q | +3 | +1 |
| +3.7 | Round 4 | 🇸🇬 SINGAPORE | 25 | 4♠ | ♦A | = | +0 |
| +3.6 | Round 9 | 🇨🇦 CANADA | 7 | 2NT | ♥K | -1 | +5 |
| +3.6 | Round 11 | 🇧🇧 BARBADOS | 8 | 5♠ | ♦A | = | +4 |
| +2.9 | Round 7 | 🇹🇳 TUNISIA | 9 | 2♠ | ♦9 | = | +6 |
| +2.9 | Round 15 | 🇦🇷 ARGENTINA | 14 | 3♠ | ♥K | = | +0 |
| +2.4 | Round 9 | 🇨🇦 CANADA | 4 | 4♦ | ♣A | = | +0 |
| +2.3 | Round 11 | 🇧🇧 BARBADOS | 11 | 3♦ | ♣5 | = | +0 |
| +2.3 | Round 12 | 🇲🇦 MOROCCO | 30 | 4♣ | ♠8 | -1 | +4 |
| +2.3 | Round 17 | 🇨🇴 COLOMBIA | 9 | 1NT | ♦K | -1 | +2 |
| +2.2 | Round 9 | 🇨🇦 CANADA | 6 | 3♣ | ♥6 | = | +0 |
| +2.2 | Round 11 | 🇧🇧 BARBADOS | 6 | 3♥ | ♠2 | = | +0 |
| +2.1 | Round 18 | 🇧🇪 BELGIUM | 28 | 3NT | ♠2 | +1 | -1 |
| +2.0 | Round 17 | 🇨🇴 COLOMBIA | 3 | 1NT | ♠10 | +1 | +6 |
| +1.8 | Round 4 | 🇸🇬 SINGAPORE | 24 | 4♠ | ♣2 | +3 | +2 |
| +1.8 | Round 11 | 🇧🇧 BARBADOS | 7 | 2♠ | ♥K | +1 | +0 |
| +1.7 | Round 7 | 🇹🇳 TUNISIA | 12 | 3NT | ♥3 | +1 | +1 |
| +1.7 | Round 9 | 🇨🇦 CANADA | 5 | 6♥ | ♣Q | +1 | -11 |
| +1.6 | Round 3 | 🇮🇳 INDIA | 11 | 3NT | ♥4 | = | +0 |
| +1.6 | Round 7 | 🇹🇳 TUNISIA | 8 | 1NT | ♥2 | -1 | +3 |
| +1.6 | Round 15 | 🇦🇷 ARGENTINA | 15 | 3♣ | ♦A | -1 | +2 |
| +1.5 | Round 9 | 🇨🇦 CANADA | 8 | 3♠ | ♣A | +1 | +4 |
| +1.4 | Round 9 | 🇨🇦 CANADA | 3 | 3♠ | ♣7 | -2 | -3 |
| +1.3 | Round 11 | 🇧🇧 BARBADOS | 9 | 4♠ | ♣A | +1 | +1 |
| +1.2 | Round 7 | 🇹🇳 TUNISIA | 4 | 4♠ | ♥10 | = | -1 |
| +1.2 | Round 11 | 🇧🇧 BARBADOS | 15 | 5♠ | ♣J | +1 | +11 |
| +1.1 | Round 15 | 🇦🇷 ARGENTINA | 11 | 3NT | ♠K | -1 | +5 |
| +1.0 | Round 17 | 🇨🇴 COLOMBIA | 14 | 3♥ | ♦K | -1 | +2 |
| +0.8 | Round 7 | 🇹🇳 TUNISIA | 14 | 3♥ | ♣9 | -2 | +0 |
| +0.8 | Round 11 | 🇧🇧 BARBADOS | 4 | 3♦ | ♦Q | +2 | +1 |
| +0.6 | Round 4 | 🇸🇬 SINGAPORE | 18 | 3♦ | ♥K | -2 | -1 |
| +0.6 | Round 18 | 🇧🇪 BELGIUM | 31 | 3NT | ♠Q | +1 | +0 |
| +0.5 | Round 12 | 🇲🇦 MOROCCO | 19 | 4♠ | ♦Q | = | +0 |
| +0.4 | Round 3 | 🇮🇳 INDIA | 1 | 4♠ | ♦A | = | +1 |
| +0.3 | Round 7 | 🇹🇳 TUNISIA | 11 | 3♥ | ♦Q | +1 | +7 |
| +0.3 | Round 18 | 🇧🇪 BELGIUM | 32 | 2♦ | ♥9 | -1 | +10 |
| +0.1 | Round 3 | 🇮🇳 INDIA | 12 | 4♥ | ♠10 | = | +0 |
| +0.1 | Round 15 | 🇦🇷 ARGENTINA | 2 | 4♠ | ♦A | +1 | +0 |
| +0.0 | Round 11 | 🇧🇧 BARBADOS | 1 | 3NT | ♣4 | +2 | -11 |
| +0.0 | Round 17 | 🇨🇴 COLOMBIA | 12 | 4♥ | ♣5 | +1 | +0 |
| -0.2 | Round 7 | 🇹🇳 TUNISIA | 5 | 5♦ | ♣2 | +1 | +13 |
| -0.2 | Round 9 | 🇨🇦 CANADA | 9 | 1NT | ♠7 | +1 | +0 |
| -0.2 | Round 17 | 🇨🇴 COLOMBIA | 6 | 6♥ | ♠4 | +1 | +13 |
| -0.4 | Round 12 | 🇲🇦 MOROCCO | 27 | 3NT | ♠9 | = | +0 |
| -0.4 | Round 18 | 🇧🇪 BELGIUM | 20 | 4♠ | ♥5 | +1 | +0 |
| -0.7 | Round 4 | 🇸🇬 SINGAPORE | 32 | 3NT | ♠Q | = | +13 |
| -0.7 | Round 15 | 🇦🇷 ARGENTINA | 9 | 3♦ | ♥K | = | -5 |
| -0.7 | Round 17 | 🇨🇴 COLOMBIA | 7 | 4♠ | ♥A | -3 | +4 |
| -0.7 | Round 18 | 🇧🇪 BELGIUM | 24 | 3♦ | ♣A | -1 | -2 |
| -0.8 | Round 4 | 🇸🇬 SINGAPORE | 17 | 5♦ | ♣Q | -1 | -5 |
| -0.8 | Round 7 | 🇹🇳 TUNISIA | 7 | 3NT | ♠7 | = | +0 |
| -0.9 | Round 12 | 🇲🇦 MOROCCO | 17 | 4♠ | ♣A | +1 | +0 |
| -0.9 | Round 18 | 🇧🇪 BELGIUM | 19 | 3NT | ♣2 | = | +0 |
| -1.0 | Round 4 | 🇸🇬 SINGAPORE | 27 | 3♦ | ♣2 | = | +0 |
| -1.1 | Round 18 | 🇧🇪 BELGIUM | 21 | 3NT | ♣J | +2 | +0 |
| -1.3 | Round 7 | 🇹🇳 TUNISIA | 10 | 1NT | ♥2 | -1 | -5 |
| -1.3 | Round 17 | 🇨🇴 COLOMBIA | 13 | 5♦ | ♥3 | -1 | +6 |
| -1.3 | Round 17 | 🇨🇴 COLOMBIA | 16 | 5♥x | ♠6 | -3 | +7 |
| -1.4 | Round 7 | 🇹🇳 TUNISIA | 6 | 4♥ | ♦A | +1 | +0 |
| -1.5 | Round 15 | 🇦🇷 ARGENTINA | 3 | 3NT | ♥9 | -2 | -8 |
| -1.5 | Round 17 | 🇨🇴 COLOMBIA | 8 | 3♥ | ♦K | = | +0 |
| -1.6 | Round 4 | 🇸🇬 SINGAPORE | 19 | 4♥ | ♠A | = | +1 |
| -1.6 | Round 7 | 🇹🇳 TUNISIA | 16 | 2♦ | ♦10 | +2 | -11 |
| -1.7 | Round 11 | 🇧🇧 BARBADOS | 10 | 3♠ | ♣3 | +1 | -1 |
| -1.7 | Round 18 | 🇧🇪 BELGIUM | 30 | 1♠ | ♦3 | +2 | -1 |
| -1.9 | Round 18 | 🇧🇪 BELGIUM | 23 | 2NT | ♠3 | -1 | -5 |
| -2.1 | Round 4 | 🇸🇬 SINGAPORE | 22 | 4♥ | ♣8 | -1 | -5 |
| -2.2 | Round 17 | 🇨🇴 COLOMBIA | 10 | 3♠ | ♥6 | -1 | -5 |
| -2.3 | Round 3 | 🇮🇳 INDIA | 14 | 2NT | ♠K | = | +1 |
| -2.3 | Round 18 | 🇧🇪 BELGIUM | 27 | 3NT | ♠3 | -1 | -10 |
| -2.5 | Round 3 | 🇮🇳 INDIA | 6 | 4♦ | ♥K | = | +0 |
| -2.6 | Round 11 | 🇧🇧 BARBADOS | 13 | 5♣x | ♦A | -3 | +12 |
| -2.7 | Round 3 | 🇮🇳 INDIA | 3 | 2♠ | ♦5 | +1 | -1 |
| -2.7 | Round 9 | 🇨🇦 CANADA | 15 | 3♥ | ♠K | +1 | -6 |
| -2.7 | Round 12 | 🇲🇦 MOROCCO | 26 | 3♥ | ♠6 | -1 | +1 |
| -2.7 | Round 18 | 🇧🇪 BELGIUM | 17 | 2NT | ♠Q | = | +1 |
| -2.8 | Round 3 | 🇮🇳 INDIA | 13 | 3♠ | ♣2 | -2 | -3 |
| -3.0 | Round 15 | 🇦🇷 ARGENTINA | 4 | 4♥ | ♦A | -1 | -12 |
| -3.0 | Round 15 | 🇦🇷 ARGENTINA | 8 | 4♠ | ♣3 | -1 | -5 |
| -3.3 | Round 9 | 🇨🇦 CANADA | 10 | 3♦ | ♦8 | -2 | -3 |
| -3.3 | Round 12 | 🇲🇦 MOROCCO | 22 | 3NT | ♣4 | -2 | -6 |
| -3.4 | Round 4 | 🇸🇬 SINGAPORE | 29 | 2♠ | ♣3 | -1 | +6 |
| -3.4 | Round 4 | 🇸🇬 SINGAPORE | 30 | 5♠ | ♣6 | = | +0 |
| -3.5 | Round 3 | 🇮🇳 INDIA | 9 | 3NT | ♣5 | = | -13 |
| -3.6 | Round 12 | 🇲🇦 MOROCCO | 18 | 3♦ | ♥A | +1 | -6 |
| -3.7 | Round 15 | 🇦🇷 ARGENTINA | 1 | 2♥ | ♠5 | -1 | -4 |
| -3.7 | Round 18 | 🇧🇪 BELGIUM | 22 | 3NT | ♦J | -2 | -13 |
| -3.9 | Round 4 | 🇸🇬 SINGAPORE | 21 | 3♦ | ♣A | -1 | +0 |
| -4.1 | Round 4 | 🇸🇬 SINGAPORE | 31 | 4♥ | ♣4 | -1 | -6 |
| -4.1 | Round 17 | 🇨🇴 COLOMBIA | 1 | 2♠ | ♥9 | -1 | -4 |
| -4.3 | Round 15 | 🇦🇷 ARGENTINA | 16 | 3♥ | ♣9 | = | -7 |
| -4.3 | Round 18 | 🇧🇪 BELGIUM | 18 | 2♠ | ♣K | = | -6 |
| -4.5 | Round 15 | 🇦🇷 ARGENTINA | 7 | 3NT | ♥8 | = | +0 |
| -4.6 | Round 12 | 🇲🇦 MOROCCO | 29 | 5♣x | ♥J | = | -6 |
| -4.9 | Round 12 | 🇲🇦 MOROCCO | 25 | 2♥ | ♣J | = | -6 |
| -5.4 | Round 4 | 🇸🇬 SINGAPORE | 26 | 2♣ | ♦7 | +1 | -11 |
| -6.4 | Round 11 | 🇧🇧 BARBADOS | 5 | 6♥ | ♣8 | -2 | -13 |
| -6.4 | Round 18 | 🇧🇪 BELGIUM | 25 | 1NT | ♦4 | -2 | -3 |
| -6.7 | Round 4 | 🇸🇬 SINGAPORE | 23 | 6♥ | ♠K | -4 | -11 |
| -7.0 | Round 12 | 🇲🇦 MOROCCO | 28 | 3NT | ♦7 | -1 | -6 |
| -7.4 | Round 7 | 🇹🇳 TUNISIA | 1 | 6♥ | ♠A | = | +0 |
| -7.9 | Round 17 | 🇨🇴 COLOMBIA | 4 | 4♠ | ♦A | -1 | -12 |
| -8.8 | Round 3 | 🇮🇳 INDIA | 4 | 3NT | ♦6 | = | -10 |
| -9.0 | Round 9 | 🇨🇦 CANADA | 14 | 3NT | ♣9 | = | -6 |
| -11.0 | Round 3 | 🇮🇳 INDIA | 10 | 4♠ | ♥6 | = | -10 |
| -13.0 | Round 9 | 🇨🇦 CANADA | 11 | 6NTx | ♠7 | = | -13 |
| -13.1 | Round 12 | 🇲🇦 MOROCCO | 20 | 6♣ | ♦K | = | -12 |