DU Bing · JINSHUO
462rank
-18.9Butler · 80 bds
-0.24per board
±4.2swing
-0.79vs par /bd · #498/567
-0.31adjusted /bd
by round
vs par split: bidding -0.97 · play +0.19
Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.31/bd
Card play — on target: opening leads 83.3% #181 of 567 · declarer play 64.3% #523 of 567 · defence 90.0% #51 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 77.8% (9) |
| Declarer play | 55.6% (9) | 68.4% (19) |
| Defence | 70.0% (10) | 100.0% (20) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 60.0% (5) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT +1.08 (26) · a suit -1.69 (54)
vs par by level: part-score -0.89 (28) · game -0.48 (48) · slam -3.75 (4)
By role: declaring -0.32/bd (-2.20 vs par · 50) · defending -0.10/bd (+1.57 vs par · 30)
By vulnerability: vulnerable -0.65/bd (-1.29 vs par · 41) · not vulnerable +0.20/bd (-0.26 vs par · 39)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Jiang | L.Ichilcik – R.Kaplan | Closed | 10 | -15.4 | -1.54 | -1.10 |
| Round 3 | T.Jiang | F.Ye – X.Wu | Closed | 10 | -20.0 | -2.00 | -3.30 |
| Round 4 | T.Jiang | A.Sharma – N.Kamal | Closed | 10 | +8.1 | +0.81 | +0.70 |
| Round 7 | T.Jiang | P.Ravenna – M.Thoma | Open | 10 | -9.1 | -0.91 | -4.30 |
| Round 8 | T.Jiang | X.Xie – H.Zhao | Open | 10 | -15.4 | -1.54 | -1.40 |
| Round 11 | T.Jiang | D.Yu – R.Li | Open | 10 | +27.1 | +2.71 | +2.90 |
| Round 13 | T.Jiang | M.Harding – G.Vist | Open | 10 | +10.2 | +1.02 | -0.80 |
| Round 14 | T.Jiang | X.Li – M.Kang | Open | 10 | -4.4 | -0.44 | +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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 11 | YUNNAN | 15 | 4NT | ♦Q | -5 | +15 |
| +9.1 | Round 13 | NORWAY Women | 10 | 4♥x | ♦2 | -2 | +12 |
| +7.6 | Round 1 | OZ ANGELS | 4 | 3NT | ♦5 | = | +10 |
| +6.9 | Round 13 | NORWAY Women | 6 | 4♥ | ♠3 | +1 | +1 |
| +6.8 | Round 13 | NORWAY Women | 5 | 4♥ | ♥3 | -2 | +0 |
| +6.1 | Round 8 | UICC WUHAN | 19 | 3NT | ♠2 | = | +0 |
| +5.7 | Round 4 | INDIA Women | 4 | 3NT | ♠J | +2 | +0 |
| +5.6 | Round 11 | YUNNAN | 16 | 3NT | ♣9 | -3 | +7 |
| +5.3 | Round 11 | YUNNAN | 14 | 5♣ | ♦Q | -1 | +5 |
| +4.8 | Round 4 | INDIA Women | 2 | 7♣x | ♥A | -2 | +7 |
| +4.6 | Round 7 | BRAZIL Mixed | 3 | 3NT | ♥10 | -2 | +6 |
| +4.6 | Round 11 | YUNNAN | 11 | 3NT | ♠4 | = | +7 |
| +4.2 | Round 7 | BRAZIL Mixed | 9 | 5♣ | ♠Q | = | -13 |
| +4.0 | Round 11 | YUNNAN | 19 | 3NT | ♦2 | = | +0 |
| +3.8 | Round 1 | OZ ANGELS | 6 | 2♠ | ♦8 | = | +11 |
| +3.5 | Round 8 | UICC WUHAN | 16 | 5♣ | ♠Q | -2 | +7 |
| +3.4 | Round 14 | DALIAN AOXIN | 13 | 1NT | ♠5 | = | +5 |
| +2.7 | Round 3 | ZHEJIANG JINJIANG | 21 | 4♥ | ♠K | = | -1 |
| +2.3 | Round 14 | DALIAN AOXIN | 20 | 1NT | ♦6 | = | +6 |
| +1.9 | Round 7 | BRAZIL Mixed | 1 | 4♥ | ♥5 | -2 | +0 |
| +1.9 | Round 13 | NORWAY Women | 9 | 3NT | ♥3 | +3 | +3 |
| +1.7 | Round 14 | DALIAN AOXIN | 17 | 3NT | ♣4 | +2 | +0 |
| +1.5 | Round 1 | OZ ANGELS | 2 | 4♦ | ♥A | = | +0 |
| +1.5 | Round 14 | DALIAN AOXIN | 16 | 4♠ | ♥A | -1 | +5 |
| +1.4 | Round 14 | DALIAN AOXIN | 14 | 2NT | ♣9 | = | +0 |
| +1.3 | Round 13 | NORWAY Women | 2 | 2♦ | ♣Q | = | -9 |
| +1.2 | Round 11 | YUNNAN | 17 | 3♥ | ♠3 | -1 | +8 |
| +0.9 | Round 4 | INDIA Women | 6 | 2♥ | ♠7 | -1 | +0 |
| +0.8 | Round 11 | YUNNAN | 18 | 2♠ | ♣2 | +1 | +1 |
| +0.7 | Round 4 | INDIA Women | 7 | 3♠ | ♣K | = | +0 |
| +0.6 | Round 1 | OZ ANGELS | 1 | 2♠ | ♣3 | +2 | +6 |
| +0.6 | Round 4 | INDIA Women | 3 | 4♥ | ♠K | +2 | +11 |
| +0.6 | Round 11 | YUNNAN | 12 | 3NT | ♣4 | = | -1 |
| +0.6 | Round 14 | DALIAN AOXIN | 12 | 4♠ | ♦2 | = | +0 |
| +0.4 | Round 4 | INDIA Women | 9 | 2♥ | ♠A | -1 | -5 |
| +0.3 | Round 3 | ZHEJIANG JINJIANG | 30 | 4♥ | ♦3 | +1 | +0 |
| +0.3 | Round 4 | INDIA Women | 1 | 4♥ | ♥3 | +1 | +0 |
| +0.3 | Round 8 | UICC WUHAN | 13 | 4♦ | ♠A | = | +0 |
| +0.1 | Round 3 | ZHEJIANG JINJIANG | 22 | 3NT | ♣Q | -1 | +5 |
| -0.0 | Round 8 | UICC WUHAN | 11 | 4♠ | ♦2 | +1 | +0 |
| -0.3 | Round 3 | ZHEJIANG JINJIANG | 24 | 5♦ | ♥4 | = | -2 |
| -0.4 | Round 7 | BRAZIL Mixed | 7 | 2♦ | ♦3 | = | -1 |
| -0.4 | Round 14 | DALIAN AOXIN | 15 | 5♣x | ♦J | -1 | +7 |
| -0.5 | Round 4 | INDIA Women | 5 | 4♠ | ♣K | = | +0 |
| -0.5 | Round 8 | UICC WUHAN | 15 | 3NT | ♠9 | = | -1 |
| -0.6 | Round 7 | BRAZIL Mixed | 8 | 4♠ | ♠J | = | -11 |
| -0.9 | Round 7 | BRAZIL Mixed | 2 | 2♠ | ♣K | -1 | +1 |
| -0.9 | Round 13 | NORWAY Women | 4 | 2♠ | ♥Q | -1 | +0 |
| -1.0 | Round 8 | UICC WUHAN | 14 | 3NT | ♠5 | +1 | -1 |
| -1.1 | Round 3 | ZHEJIANG JINJIANG | 26 | 4♥ | ♠K | +2 | -13 |
| -1.1 | Round 13 | NORWAY Women | 7 | 3NT | ♥Q | +1 | +1 |
| -1.3 | Round 1 | OZ ANGELS | 3 | 2♥ | ♦K | +1 | +0 |
| -1.6 | Round 4 | INDIA Women | 10 | 1NT | ♠5 | +1 | -1 |
| -1.8 | Round 3 | ZHEJIANG JINJIANG | 23 | 3♣ | ♥3 | = | -6 |
| -2.2 | Round 13 | NORWAY Women | 1 | 3♥ | ♦Q | +1 | -6 |
| -2.3 | Round 11 | YUNNAN | 20 | 1NT | ♠6 | -2 | -3 |
| -2.7 | Round 3 | ZHEJIANG JINJIANG | 27 | 4♥ | ♠2 | = | -3 |
| -2.7 | Round 14 | DALIAN AOXIN | 18 | 4♥ | ♦4 | = | -3 |
| -2.8 | Round 7 | BRAZIL Mixed | 5 | 4♣ | ♥3 | -1 | -5 |
| -3.1 | Round 1 | OZ ANGELS | 8 | 4♠ | ♥6 | -1 | -10 |
| -3.2 | Round 4 | INDIA Women | 8 | 2NT | ♣5 | -2 | -5 |
| -3.3 | Round 1 | OZ ANGELS | 5 | 3♣ | ♣4 | = | -7 |
| -3.3 | Round 7 | BRAZIL Mixed | 4 | 5♦ | ♠3 | +1 | -3 |
| -3.6 | Round 8 | UICC WUHAN | 20 | 4♠ | ♥A | -2 | -7 |
| -3.7 | Round 3 | ZHEJIANG JINJIANG | 29 | 3♠ | ♥J | +1 | +1 |
| -3.7 | Round 14 | DALIAN AOXIN | 11 | 3NT | ♣10 | +2 | -1 |
| -4.1 | Round 8 | UICC WUHAN | 17 | 3♠ | ♥6 | = | -1 |
| -4.5 | Round 7 | BRAZIL Mixed | 10 | 5♦x | ♠Q | -1 | -8 |
| -4.6 | Round 11 | YUNNAN | 13 | 3NT | ♣J | = | -10 |
| -5.6 | Round 13 | NORWAY Women | 3 | 3NT | ♦3 | = | +1 |
| -5.7 | Round 1 | OZ ANGELS | 10 | 3♥ | ♣K | = | -7 |
| -5.7 | Round 8 | UICC WUHAN | 12 | 6♣ | ♦2 | = | +2 |
| -5.8 | Round 3 | ZHEJIANG JINJIANG | 25 | 4♥ | ♦A | -2 | -3 |
| -6.0 | Round 13 | NORWAY Women | 8 | 5♦ | ♠9 | +1 | -11 |
| -7.2 | Round 1 | OZ ANGELS | 7 | 4♣ | ♠2 | -2 | -8 |
| -7.3 | Round 7 | BRAZIL Mixed | 6 | 5♦xx | ♣A | = | -9 |
| -7.7 | Round 3 | ZHEJIANG JINJIANG | 28 | 6♣ | ♠Q | -1 | -11 |
| -8.3 | Round 1 | OZ ANGELS | 9 | 3NT | ♥10 | +1 | -6 |
| -8.5 | Round 14 | DALIAN AOXIN | 19 | 3NT | ♥7 | -5 | -9 |
| -10.4 | Round 8 | UICC WUHAN | 18 | 6♠ | ♥2 | -1 | -13 |