JIN Kai · CHINA JUNIORS
vs par split: bidding +0.31 · play -0.49
Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted +0.00/bd
Card play — on target: opening leads 82.9% #211 of 567 · declarer play 69.0% #452 of 567 · defence 81.0% #361 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (14) | 90.5% (21) |
| Declarer play | 66.7% (9) | 69.7% (33) |
| Defence | 87.0% (23) | 77.5% (40) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 88.9% (9) · ♦ 84.6% (13) · ♣ 87.5% (8)
vs par by strain: NT +0.23 (43) · a suit -0.39 (87)
vs par by level: part-score -0.64 (58) · game +0.59 (66) · slam -4.33 (6)
By role: declaring +0.44/bd (-1.51 vs par · 67) · defending +0.22/bd (+1.22 vs par · 63)
By vulnerability: vulnerable +0.55/bd (+0.69 vs par · 65) · not vulnerable +0.11/bd (-1.06 vs par · 65)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Zhu | S.Mukherjee – D.Majumder | Closed | 10 | +10.7 | +1.07 | +0.60 |
| Round 2 | C.Zhu | S.Gupta – P.Batra | Open | 10 | +13.4 | +1.34 | -0.50 |
| Round 3 | C.Zhu | M.Yu – L.Li | Closed | 10 | +7.9 | +0.79 | +2.30 |
| Round 5 | C.Zhu | J.Zhao – Y.Zhang | Closed | 10 | -18.5 | -1.85 | -2.70 |
| Round 6 | C.Zhu | J.Wei – G.Zhang | Open | 10 | -5.0 | -0.50 | +1.20 |
| Round 8 | C.Zhu | B.Neill – A.Kanetkar | Open | 10 | -16.2 | -1.62 | -1.30 |
| Round 9 | C.Zhu | T.Cao – Y.Li | Open | 10 | -2.4 | -0.24 | -4.10 |
| Round 10 | C.Zhu | X.Shi – J.Li | Open | 10 | -16.2 | -1.62 | -3.90 |
| Round 11 | C.Zhu | R.Khandelwal – R.Krishnan | Open | 10 | +37.5 | +3.75 | +3.60 |
| Round 12 | C.Zhu | P.Rankin – S.Fischer | Closed | 10 | -8.0 | -0.80 | -1.20 |
| Round 13 | C.Zhu | W.Gong – W.Gu | Open | 10 | +18.0 | +1.80 | +0.30 |
| Round 14 | C.Zhu | S.Humphries – P.Hollands | Open | 10 | +12.8 | +1.28 | -0.20 |
| Round 15 | C.Zhu | H.Liu – Y.Zhang | Closed | 10 | +8.9 | +0.89 | +3.50 |
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 |
|---|---|---|---|---|---|---|---|
| +12.8 | Round 3 | JXBA | 29 | 4♥ | ♠K | = | +13 |
| +12.4 | Round 13 | HUBEI BRIDGE TEAM | 10 | 3NTx | ♦5 | -3 | +14 |
| +10.2 | Round 13 | HUBEI BRIDGE TEAM | 2 | 3NT | ♠Q | = | +3 |
| +8.5 | Round 14 | GINNAN | 19 | 3NT | ♥K | -5 | +9 |
| +7.7 | Round 9 | WUHU BRIDGE TEAM | 23 | 6♦ | ♥9 | = | -8 |
| +7.7 | Round 9 | WUHU BRIDGE TEAM | 30 | 4♠ | ♦Q | = | +0 |
| +7.3 | Round 11 | NAMO KK | 16 | 4♥ | ♠6 | = | +7 |
| +6.9 | Round 2 | INDIA Women | 20 | 3NT | ♥5 | = | +3 |
| +6.9 | Round 15 | HENGZHOU FINANCE | 22 | 3NT | ♠7 | -1 | +12 |
| +5.6 | Round 14 | GINNAN | 15 | 4♠ | ♥4 | -1 | -2 |
| +5.5 | Round 11 | NAMO KK | 19 | 3♣ | ♥K | = | +10 |
| +5.5 | Round 12 | AUSTRALIA MIXED | 23 | 3♥ | ♥5 | -1 | +6 |
| +5.2 | Round 11 | NAMO KK | 14 | 5♣ | ♦4 | = | +7 |
| +5.1 | Round 11 | NAMO KK | 11 | 6♦ | ♠4 | -1 | +4 |
| +5.1 | Round 11 | NAMO KK | 15 | 4♠ | ♦5 | = | -1 |
| +4.7 | Round 1 | FORMIDABLES | 4 | 4♥ | ♦9 | -1 | +6 |
| +4.7 | Round 11 | NAMO KK | 12 | 2♥ | ♣K | +2 | +6 |
| +4.6 | Round 11 | NAMO KK | 13 | 3NT | ♠2 | = | +10 |
| +4.5 | Round 1 | FORMIDABLES | 2 | 3NT | ♠8 | -2 | +6 |
| +4.5 | Round 13 | HUBEI BRIDGE TEAM | 8 | 6♦ | ♠A | = | +0 |
| +4.2 | Round 2 | INDIA Women | 15 | 4♠ | ♦K | -1 | +3 |
| +4.1 | Round 3 | JXBA | 23 | 2NT | ♦7 | -2 | +7 |
| +3.9 | Round 6 | SANMING EDUCATION | 21 | 3NTx | ♣8 | -2 | +9 |
| +3.9 | Round 12 | AUSTRALIA MIXED | 22 | 6♥ | ♦J | = | +0 |
| +3.8 | Round 2 | INDIA Women | 16 | 3NT | ♣6 | = | +7 |
| +3.6 | Round 8 | AUSTRALIA Seniors | 12 | 4♥ | ♦K | +2 | +11 |
| +3.6 | Round 10 | NANGANG POWER | 4 | 4♠ | ♥5 | -2 | +2 |
| +3.5 | Round 3 | JXBA | 25 | 3♦ | ♦8 | = | +0 |
| +3.3 | Round 15 | HENGZHOU FINANCE | 28 | 3NT | ♥10 | +2 | +11 |
| +3.2 | Round 2 | INDIA Women | 18 | 1NT | ♠5 | +1 | +5 |
| +3.2 | Round 14 | GINNAN | 16 | 3♠ | ♥A | = | +0 |
| +3.1 | Round 1 | FORMIDABLES | 8 | 4♠ | ♥3 | -1 | +10 |
| +2.8 | Round 15 | HENGZHOU FINANCE | 30 | 3NT | ♦3 | -1 | +5 |
| +2.7 | Round 10 | NANGANG POWER | 2 | 4♠ | ♥A | = | +3 |
| +2.7 | Round 14 | GINNAN | 11 | 3NT | ♣10 | +1 | +0 |
| +2.7 | Round 14 | GINNAN | 18 | 4♥ | ♦4 | = | +3 |
| +2.6 | Round 5 | ZHEJIANGQIANTANG | 16 | 2♥ | ♠8 | -2 | -5 |
| +2.0 | Round 3 | JXBA | 26 | 4♥ | ♠K | +1 | +13 |
| +2.0 | Round 13 | HUBEI BRIDGE TEAM | 3 | 1NT | ♦2 | +3 | +10 |
| +1.8 | Round 12 | AUSTRALIA MIXED | 27 | 3♥ | ♥J | = | +7 |
| +1.8 | Round 15 | HENGZHOU FINANCE | 23 | 2♥ | ♥5 | +1 | +1 |
| +1.7 | Round 1 | FORMIDABLES | 5 | 2♠ | ♣8 | +2 | +6 |
| +1.7 | Round 8 | AUSTRALIA Seniors | 18 | 5♦ | ♣3 | = | -2 |
| +1.7 | Round 12 | AUSTRALIA MIXED | 25 | 6♦ | ♣10 | +1 | -11 |
| +1.5 | Round 10 | NANGANG POWER | 9 | 1NT | ♦9 | = | +5 |
| +1.4 | Round 2 | INDIA Women | 14 | 3♦ | ♥9 | +1 | +6 |
| +1.3 | Round 1 | FORMIDABLES | 3 | 3♥ | ♦K | = | +0 |
| +1.3 | Round 2 | INDIA Women | 17 | 3♠ | ♠4 | +1 | -6 |
| +1.3 | Round 15 | HENGZHOU FINANCE | 27 | 4♠ | ♣K | -1 | +2 |
| +1.2 | Round 9 | WUHU BRIDGE TEAM | 28 | 3♥ | ♦3 | -1 | +4 |
| +1.1 | Round 1 | FORMIDABLES | 6 | 2♠ | ♦8 | -1 | -8 |
| +1.1 | Round 9 | WUHU BRIDGE TEAM | 27 | 2♦ | ♥3 | +1 | +7 |
| +1.1 | Round 15 | HENGZHOU FINANCE | 29 | 4♠x | ♥A | -1 | +7 |
| +1.0 | Round 12 | AUSTRALIA MIXED | 21 | 1♥ | ♣J | +1 | +0 |
| +0.9 | Round 6 | SANMING EDUCATION | 22 | 2♥ | ♦Q | +1 | +0 |
| +0.9 | Round 13 | HUBEI BRIDGE TEAM | 9 | 3NT | ♥5 | +2 | +2 |
| +0.8 | Round 2 | INDIA Women | 11 | 4♥x | ♣A | -2 | -3 |
| +0.8 | Round 6 | SANMING EDUCATION | 25 | 3NT | ♥8 | -1 | +5 |
| +0.7 | Round 6 | SANMING EDUCATION | 28 | 2♠ | ♦5 | = | -1 |
| +0.6 | Round 6 | SANMING EDUCATION | 30 | 2♥ | ♣K | +1 | +6 |
| +0.6 | Round 11 | NAMO KK | 17 | 2♠ | ♥4 | = | -7 |
| +0.5 | Round 8 | AUSTRALIA Seniors | 15 | 3NT | ♠2 | +1 | +0 |
| +0.5 | Round 9 | WUHU BRIDGE TEAM | 26 | 3NT | ♦6 | +2 | -12 |
| +0.3 | Round 1 | FORMIDABLES | 10 | 2♣ | ♦Q | +1 | +1 |
| +0.3 | Round 3 | JXBA | 24 | 5♦ | ♥4 | = | +2 |
| +0.3 | Round 8 | AUSTRALIA Seniors | 13 | 4♦ | ♠K | = | +0 |
| +0.2 | Round 5 | ZHEJIANGQIANTANG | 14 | 2♦ | ♦2 | -1 | +5 |
| +0.2 | Round 15 | HENGZHOU FINANCE | 24 | 3NT | ♠5 | +2 | +0 |
| -0.0 | Round 5 | ZHEJIANGQIANTANG | 12 | 2♦ | ♦5 | -1 | -2 |
| +0.0 | Round 5 | ZHEJIANGQIANTANG | 17 | 1♠ | ♣J | +2 | +0 |
| +0.0 | Round 6 | SANMING EDUCATION | 26 | 3♦ | ♥2 | = | +0 |
| -0.0 | Round 8 | AUSTRALIA Seniors | 11 | 4♠ | ♥A | +1 | +0 |
| +0.0 | Round 8 | AUSTRALIA Seniors | 14 | 3NT | ♣6 | +2 | +0 |
| -0.0 | Round 10 | NANGANG POWER | 8 | 6NT | ♣4 | = | -11 |
| -0.0 | Round 12 | AUSTRALIA MIXED | 29 | 2♠ | ♣4 | +1 | +0 |
| -0.2 | Round 11 | NAMO KK | 18 | 2NT | ♥9 | = | +0 |
| -0.3 | Round 2 | INDIA Women | 12 | 3♥ | ♣A | -1 | -10 |
| -0.3 | Round 3 | JXBA | 30 | 4♥ | ♣6 | +1 | +0 |
| -0.3 | Round 13 | HUBEI BRIDGE TEAM | 6 | 3♥ | ♦3 | = | -7 |
| -0.4 | Round 11 | NAMO KK | 20 | 2♠ | ♦5 | = | +0 |
| -0.5 | Round 10 | NANGANG POWER | 3 | 4♣ | ♠4 | = | -7 |
| -0.5 | Round 15 | HENGZHOU FINANCE | 25 | 3NT | ♥9 | = | -1 |
| -0.6 | Round 1 | FORMIDABLES | 1 | 3♠ | ♣3 | +1 | -6 |
| -0.6 | Round 2 | INDIA Women | 13 | 1NT | ♦Q | = | +1 |
| -0.6 | Round 6 | SANMING EDUCATION | 29 | 2♦x | ♠K | -4 | +8 |
| -0.8 | Round 14 | GINNAN | 17 | 3NT | ♥4 | +1 | +1 |
| -1.0 | Round 12 | AUSTRALIA MIXED | 24 | 3NT | ♥3 | -3 | -7 |
| -1.0 | Round 13 | HUBEI BRIDGE TEAM | 7 | 4♠ | ♥3 | = | +1 |
| -1.1 | Round 14 | GINNAN | 14 | 2♦ | ♦5 | +1 | +0 |
| -1.2 | Round 1 | FORMIDABLES | 7 | 1NT | ♥4 | +2 | -1 |
| -1.3 | Round 5 | ZHEJIANGQIANTANG | 20 | 2♠ | ♦10 | +2 | -1 |
| -1.3 | Round 12 | AUSTRALIA MIXED | 28 | 4♥ | ♦J | +2 | +11 |
| -1.6 | Round 5 | ZHEJIANGQIANTANG | 15 | 2♥ | ♠K | = | -5 |
| -1.6 | Round 6 | SANMING EDUCATION | 23 | 2♠ | ♣7 | +1 | +0 |
| -1.7 | Round 5 | ZHEJIANGQIANTANG | 18 | 2NT | ♦J | -1 | -6 |
| -1.7 | Round 9 | WUHU BRIDGE TEAM | 25 | 4♥ | ♦4 | +2 | -11 |
| -1.7 | Round 10 | NANGANG POWER | 1 | 1NT | ♦9 | = | -5 |
| -1.9 | Round 9 | WUHU BRIDGE TEAM | 24 | 3♥ | ♦5 | -2 | -5 |
| -2.0 | Round 3 | JXBA | 28 | 3NT | ♠2 | +1 | +1 |
| -2.0 | Round 6 | SANMING EDUCATION | 27 | 5♠ | ♥A | -1 | -8 |
| -2.1 | Round 3 | JXBA | 22 | 3NT | ♥10 | -2 | -6 |
| -2.2 | Round 13 | HUBEI BRIDGE TEAM | 1 | 2♥ | ♦Q | +2 | -6 |
| -2.3 | Round 10 | NANGANG POWER | 10 | 3♠ | ♦4 | = | -1 |
| -2.3 | Round 14 | GINNAN | 12 | 4♠ | ♥10 | +2 | -2 |
| -2.3 | Round 14 | GINNAN | 20 | 1NT | ♦2 | = | -6 |
| -2.4 | Round 8 | AUSTRALIA Seniors | 16 | 3♥ | ♥J | -1 | +2 |
| -2.6 | Round 15 | HENGZHOU FINANCE | 26 | 3♥ | ♣A | -4 | +6 |
| -2.7 | Round 3 | JXBA | 21 | 4♥ | ♠K | = | +1 |
| -3.2 | Round 8 | AUSTRALIA Seniors | 17 | 4♥x | ♦2 | -1 | +0 |
| -3.4 | Round 13 | HUBEI BRIDGE TEAM | 4 | 3NT | ♥Q | -2 | -3 |
| -3.4 | Round 14 | GINNAN | 13 | 1NT | ♠4 | = | -5 |
| -3.6 | Round 5 | ZHEJIANGQIANTANG | 19 | 4♠ | ♣A | -1 | -5 |
| -4.0 | Round 10 | NANGANG POWER | 5 | 2♠x | ♦3 | -1 | -7 |
| -4.2 | Round 1 | FORMIDABLES | 9 | 3♥ | ♦A | = | -8 |
| -4.2 | Round 9 | WUHU BRIDGE TEAM | 21 | 4♥ | ♠J | = | +0 |
| -4.8 | Round 9 | WUHU BRIDGE TEAM | 22 | 3NT | ♣9 | -2 | -6 |
| -5.0 | Round 5 | ZHEJIANGQIANTANG | 13 | 3NT | ♦8 | +1 | +0 |
| -5.1 | Round 13 | HUBEI BRIDGE TEAM | 5 | 4♥ | ♦A | +1 | -11 |
| -5.2 | Round 8 | AUSTRALIA Seniors | 19 | 3NT | ♠2 | -2 | -11 |
| -5.4 | Round 15 | HENGZHOU FINANCE | 21 | 4♥x | ♦6 | -1 | -8 |
| -7.1 | Round 10 | NANGANG POWER | 7 | 2NT | ♠2 | = | -10 |
| -7.3 | Round 2 | INDIA Women | 19 | 3NT | ♥6 | +1 | -11 |
| -7.7 | Round 3 | JXBA | 27 | 4♥ | ♠2 | -1 | -8 |
| -7.7 | Round 6 | SANMING EDUCATION | 24 | 3NT | ♣5 | = | -7 |
| -8.0 | Round 9 | WUHU BRIDGE TEAM | 29 | 4♠ | ♠2 | = | -10 |
| -8.1 | Round 5 | ZHEJIANGQIANTANG | 11 | 1NTx | ♠K | -3 | -8 |
| -8.4 | Round 10 | NANGANG POWER | 6 | 5♦x | ♥K | -3 | -8 |
| -9.8 | Round 12 | AUSTRALIA MIXED | 26 | 4♥ | ♣7 | = | -10 |
| -9.8 | Round 12 | AUSTRALIA MIXED | 30 | 4♥x | ♦9 | -3 | -8 |
| -11.5 | Round 8 | AUSTRALIA Seniors | 20 | 2♥x | ♣J | = | -13 |