KANG Jian · CHINA HUOCHETOU
306rank
+1.5Butler · 100 bds
+0.01per board
±3.9swing
-0.22vs par /bd · #372/567
+0.16adjusted /bd
by round
vs par split: bidding -0.44 · play +0.22
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.16/bd
Card play — on target: opening leads 75.0% #415 of 567 · declarer play 91.7% #19 of 567 · defence 86.7% #138 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 62.5% (8) | 81.2% (16) |
| Declarer play | 100.0% (4) | 90.0% (20) |
| Defence | 76.9% (13) | 90.6% (32) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 50.0% (4) · ♦ 85.7% (7) · ♣ 87.5% (8)
vs par by strain: NT -0.52 (21) · a suit -0.14 (79)
vs par by level: part-score +0.51 (47) · game -0.55 (49) · slam -4.75 (4)
By role: declaring +0.18/bd (-1.84 vs par · 55) · defending -0.19/bd (+1.76 vs par · 45)
By vulnerability: vulnerable +0.02/bd (-0.18 vs par · 50) · not vulnerable +0.01/bd (-0.26 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Wang | Y.Zhang – K.Cheng | Closed | 10 | -8.8 | -0.88 | -1.70 |
| Round 3 | K.Wang | S.Punch – L.Bilde | Open | 10 | +19.4 | +1.94 | +1.00 |
| Round 4 | K.Wang | J.Zhao – F.Yang | Closed | 10 | +7.3 | +0.73 | +0.70 |
| Round 5 | K.Wang | G.Shen – Z.Li | Closed | 10 | -3.7 | -0.37 | -1.20 |
| Round 6 | K.Wang | G.Kasle – D.Morse | Closed | 10 | -10.4 | -1.04 | +0.40 |
| Round 8 | K.Wang | W.Wang – X.Gan | Open | 10 | -10.8 | -1.08 | -1.10 |
| Round 9 | K.Wang | A.Tartarin – I.Baroni | Closed | 10 | +30.7 | +3.07 | -0.70 |
| Round 11 | K.Wang | D.Berkowitz – A.Sontag | Closed | 10 | -5.6 | -0.56 | -1.20 |
| Round 13 | K.Wang | L.Yang – Y.Huang | Open | 10 | -5.5 | -0.55 | +1.00 |
| Round 14 | K.Wang | J.Liu – Y.Cai | Closed | 10 | -11.1 | -1.11 | +0.60 |
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 |
|---|---|---|---|---|---|---|---|
| +16.0 | Round 3 | SCOTMARK | 28 | 2♥x | ♥3 | -6 | +15 |
| +8.8 | Round 9 | PSG | 22 | 3NTx | ♠7 | = | +9 |
| +8.4 | Round 9 | PSG | 30 | 4♠ | ♦4 | +1 | +1 |
| +7.7 | Round 9 | PSG | 23 | 6♦ | ♥9 | = | -8 |
| +7.4 | Round 4 | CCSA | 2 | 5♥x | ♦A | = | +10 |
| +6.2 | Round 13 | ZHEJIANGQIANTANG | 3 | 3NT | ♣J | +1 | +0 |
| +6.0 | Round 4 | CCSA | 7 | 4♠ | ♣K | -1 | +6 |
| +5.2 | Round 3 | SCOTMARK | 29 | 4♠ | ♥A | = | +10 |
| +5.2 | Round 11 | USA 2 Seniors | 13 | 4♥ | ♠7 | = | +10 |
| +5.1 | Round 5 | DONGFENG FENGSHEN | 20 | 2♥ | ♠5 | -1 | +6 |
| +5.1 | Round 13 | ZHEJIANGQIANTANG | 8 | 3NT | ♥4 | +2 | +10 |
| +5.0 | Round 3 | SCOTMARK | 23 | 2♦x | ♥6 | = | +2 |
| +4.3 | Round 4 | CCSA | 10 | 3♣ | ♠K | -1 | +5 |
| +4.3 | Round 5 | DONGFENG FENGSHEN | 15 | 3♣ | ♥K | = | +0 |
| +3.9 | Round 8 | NANGANG POWER | 17 | 3♣ | ♦A | +1 | +1 |
| +3.6 | Round 5 | DONGFENG FENGSHEN | 18 | 2NT | ♠4 | = | -1 |
| +3.6 | Round 14 | WUHAN DONGFANG | 19 | 3♦ | ♠6 | = | +6 |
| +3.5 | Round 14 | WUHAN DONGFANG | 13 | 3♠ | ♦2 | -1 | +5 |
| +3.3 | Round 6 | USA 1 Seniors | 25 | 3NT | ♥2 | -2 | +7 |
| +3.1 | Round 1 | YBT | 8 | 4♠ | ♦A | -1 | +10 |
| +2.7 | Round 3 | SCOTMARK | 21 | 4♥ | ♠K | = | -1 |
| +2.4 | Round 8 | NANGANG POWER | 16 | 3♥ | ♣A | -1 | -2 |
| +2.3 | Round 1 | YBT | 9 | 2♦ | ♣A | +2 | -2 |
| +2.2 | Round 1 | YBT | 5 | 2♣ | ♣3 | +3 | +7 |
| +2.2 | Round 11 | USA 2 Seniors | 16 | 3♥ | ♦A | +1 | +1 |
| +2.1 | Round 9 | PSG | 21 | 3♠ | ♦A | = | +7 |
| +1.7 | Round 6 | USA 1 Seniors | 21 | 4♠ | ♣8 | -4 | +7 |
| +1.7 | Round 6 | USA 1 Seniors | 30 | 2♠ | ♣J | -2 | +7 |
| +1.7 | Round 14 | WUHAN DONGFANG | 17 | 4♠ | ♦2 | +1 | +0 |
| +1.6 | Round 9 | PSG | 29 | 2♠ | ♣5 | +2 | -1 |
| +1.5 | Round 1 | YBT | 6 | 2♥ | ♦10 | = | -7 |
| +1.5 | Round 14 | WUHAN DONGFANG | 12 | 4♠ | ♦2 | +1 | +1 |
| +1.4 | Round 9 | PSG | 26 | 3NT | ♠Q | +3 | -12 |
| +1.3 | Round 9 | PSG | 27 | 3♥ | ♠2 | -2 | +8 |
| +1.2 | Round 9 | PSG | 28 | 3♥ | ♦4 | -1 | +4 |
| +0.9 | Round 4 | CCSA | 6 | 2♥ | ♥2 | -1 | +0 |
| +0.9 | Round 6 | USA 1 Seniors | 22 | 2♥ | ♦K | +1 | +0 |
| +0.6 | Round 4 | CCSA | 3 | 4♥ | ♠K | +2 | +11 |
| +0.4 | Round 13 | ZHEJIANGQIANTANG | 6 | 2♦ | ♦3 | +2 | +7 |
| +0.3 | Round 3 | SCOTMARK | 30 | 4♥ | ♠A | +1 | +0 |
| +0.3 | Round 4 | CCSA | 1 | 4♥ | ♠K | +1 | +0 |
| +0.2 | Round 5 | DONGFENG FENGSHEN | 14 | 3♠ | ♦2 | -1 | +5 |
| +0.2 | Round 11 | USA 2 Seniors | 18 | 2♠ | ♣2 | = | +0 |
| +0.2 | Round 13 | ZHEJIANGQIANTANG | 7 | 5♣ | ♦K | = | -2 |
| +0.1 | Round 3 | SCOTMARK | 22 | 3NT | ♥3 | -1 | +5 |
| +0.0 | Round 8 | NANGANG POWER | 11 | 4♠ | ♦A | +1 | +0 |
| -0.0 | Round 8 | NANGANG POWER | 14 | 3NT | ♣7 | +2 | +0 |
| -0.1 | Round 5 | DONGFENG FENGSHEN | 16 | 3♣ | ♠Q | = | -7 |
| -0.1 | Round 9 | PSG | 24 | 3♥ | ♦5 | -1 | -4 |
| -0.2 | Round 5 | DONGFENG FENGSHEN | 11 | 2♠ | ♥3 | +1 | +0 |
| -0.3 | Round 3 | SCOTMARK | 24 | 5♦ | ♥4 | = | -2 |
| -0.3 | Round 8 | NANGANG POWER | 13 | 3♦ | ♠A | +1 | +0 |
| -0.3 | Round 13 | ZHEJIANGQIANTANG | 2 | 3♠ | ♠2 | -1 | +10 |
| -0.4 | Round 6 | USA 1 Seniors | 26 | 2♦ | ♥3 | = | -1 |
| -0.4 | Round 11 | USA 2 Seniors | 20 | 2♠ | ♦5 | = | +0 |
| -0.5 | Round 1 | YBT | 7 | 1NT | ♥5 | +1 | +0 |
| -0.5 | Round 4 | CCSA | 5 | 4♠ | ♣K | = | +0 |
| -0.5 | Round 8 | NANGANG POWER | 15 | 3NT | ♠9 | +1 | +0 |
| -0.6 | Round 1 | YBT | 1 | 3♠ | ♥7 | +1 | -6 |
| -0.9 | Round 13 | ZHEJIANGQIANTANG | 9 | 3NT | ♥2 | +2 | -2 |
| -1.1 | Round 3 | SCOTMARK | 26 | 4♥ | ♠K | +2 | -13 |
| -1.2 | Round 11 | USA 2 Seniors | 17 | 3♥ | ♠2 | -1 | -8 |
| -1.3 | Round 11 | USA 2 Seniors | 14 | 3♣ | ♣J | +1 | +0 |
| -1.4 | Round 1 | YBT | 10 | 2♣x | ♠2 | = | -2 |
| -1.4 | Round 11 | USA 2 Seniors | 12 | 4♥ | ♦J | = | +0 |
| -1.5 | Round 1 | YBT | 2 | 2♦ | ♠4 | +2 | +0 |
| -1.5 | Round 13 | ZHEJIANGQIANTANG | 10 | 3NT | ♠4 | -1 | -6 |
| -1.6 | Round 6 | USA 1 Seniors | 23 | 3♠ | ♣4 | = | +0 |
| -1.7 | Round 9 | PSG | 25 | 4♥ | ♦6 | +2 | -11 |
| -1.8 | Round 6 | USA 1 Seniors | 24 | 3♦ | ♣9 | +1 | -1 |
| -1.9 | Round 4 | CCSA | 9 | 2♥x | ♠A | -1 | -7 |
| -2.4 | Round 11 | USA 2 Seniors | 11 | 4♠x | ♦J | -2 | -5 |
| -2.4 | Round 14 | WUHAN DONGFANG | 20 | 3♥ | ♦A | -1 | +1 |
| -2.5 | Round 11 | USA 2 Seniors | 15 | 2♠ | ♥8 | +2 | -10 |
| -2.7 | Round 3 | SCOTMARK | 27 | 4♥ | ♠2 | = | -3 |
| -3.0 | Round 14 | WUHAN DONGFANG | 14 | 3NT | ♠7 | -1 | -4 |
| -3.2 | Round 4 | CCSA | 8 | 2NT | ♣4 | -2 | -5 |
| -3.2 | Round 8 | NANGANG POWER | 18 | 5♠ | ♥4 | = | +0 |
| -3.2 | Round 14 | WUHAN DONGFANG | 16 | 3♠ | ♦2 | = | +0 |
| -3.4 | Round 8 | NANGANG POWER | 20 | 1NT | ♥2 | = | +1 |
| -3.5 | Round 13 | ZHEJIANGQIANTANG | 1 | 4♥ | ♦Q | = | +0 |
| -3.5 | Round 14 | WUHAN DONGFANG | 18 | 4♥ | ♣Q | +1 | -4 |
| -3.6 | Round 5 | DONGFENG FENGSHEN | 12 | 1NT | ♦2 | = | -5 |
| -3.6 | Round 5 | DONGFENG FENGSHEN | 19 | 4♠ | ♣4 | -1 | -5 |
| -3.6 | Round 6 | USA 1 Seniors | 27 | 6♠ | ♣A | -2 | -9 |
| -3.6 | Round 8 | NANGANG POWER | 12 | 4♥ | ♦K | +2 | -11 |
| -3.6 | Round 13 | ZHEJIANGQIANTANG | 4 | 3♥ | ♦3 | -1 | -5 |
| -3.7 | Round 14 | WUHAN DONGFANG | 11 | 3NT | ♦2 | +2 | -1 |
| -4.0 | Round 11 | USA 2 Seniors | 19 | 3NT | ♦2 | = | +0 |
| -4.1 | Round 6 | USA 1 Seniors | 28 | 4♠ | ♦5 | -1 | -6 |
| -4.4 | Round 5 | DONGFENG FENGSHEN | 17 | 4♠ | ♣5 | -1 | -5 |
| -5.0 | Round 5 | DONGFENG FENGSHEN | 13 | 3NT | ♦2 | +1 | +0 |
| -5.6 | Round 14 | WUHAN DONGFANG | 15 | 4♠ | ♦2 | -1 | +2 |
| -5.8 | Round 3 | SCOTMARK | 25 | 5♥ | ♦K | -2 | -3 |
| -5.9 | Round 1 | YBT | 3 | 3NT | ♦9 | -3 | -7 |
| -6.1 | Round 8 | NANGANG POWER | 19 | 3NT | ♠2 | = | +0 |
| -6.5 | Round 6 | USA 1 Seniors | 29 | 6♠ | ♦J | = | +0 |
| -6.6 | Round 4 | CCSA | 4 | 5♦ | ♥7 | -1 | -13 |
| -7.6 | Round 13 | ZHEJIANGQIANTANG | 5 | 6♥ | ♥3 | -3 | -2 |
| -8.0 | Round 1 | YBT | 4 | 4♥ | ♦9 | = | -10 |