DU Jian · WUHAN
527rank
-37.1Butler · 90 bds
-0.41per board
±4.4swing
-0.87vs par /bd · #513/567
-0.62adjusted /bd
by round
vs par split: bidding -0.48 · play -0.43
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -0.62/bd
Card play — on target: opening leads 77.3% #372 of 567 · declarer play 62.5% #537 of 567 · defence 88.1% #91 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 80.0% (15) |
| Declarer play | 66.7% (6) | 60.0% (10) |
| Defence | 92.3% (13) | 86.2% (29) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 75.0% (8) · ♦ 33.3% (3) · ♣ 100.0% (7)
vs par by strain: NT -2.39 (31) · a suit -0.12 (58)
vs par by level: part-score -1.89 (37) · game +0.35 (48) · slam -7.00 (4)
By role: declaring -0.05/bd (-1.98 vs par · 48) · defending -0.83/bd (+0.41 vs par · 42)
By vulnerability: vulnerable -0.53/bd (-1.49 vs par · 45) · not vulnerable -0.29/bd (-0.24 vs par · 45)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | C.Sun | S.Auken – R.Welland | Closed | 10 | -45.8 | -4.58 | -3.60 |
| Round 3 | Y.Liu | G.Tan – J.Choo | Closed | 10 | +1.1 | +0.11 | +1.30 |
| Round 5 | C.Sun | M.Chowdhury – M.Rahman | Closed | 10 | -0.8 | -0.08 | -0.80 |
| Round 6 | C.Sun | C.Lee – J.Kim | Closed | 10 | +10.3 | +1.03 | +0.00 |
| Round 7 | C.Sun | L.Lei – L.Zhou | Closed | 10 | +1.8 | +0.18 | -2.10 |
| Round 10 | Y.Liu | S.Yan – Z.Wu | Open | 10 | -0.3 | -0.03 | -2.40 |
| Round 11 | C.Sun | W.Zhang – Y.Wu | Closed | 10 | -2.8 | -0.28 | +0.40 |
| Round 13 | C.Sun | I.Hwang – K.Sung | Closed | 10 | +9.3 | +0.93 | +2.50 |
| Round 15 | C.Sun | L.Milne – T.Nunn | Closed | 10 | -9.9 | -0.99 | -3.10 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 6 | NEWB | 25 | 3NT | ♠3 | = | +10 |
| +9.3 | Round 7 | JILIN BA | 8 | 6♣ | ♥2 | = | +0 |
| +7.1 | Round 6 | NEWB | 26 | 3NTx | ♣5 | -1 | +8 |
| +7.0 | Round 13 | GALAGILE | 1 | 4♥ | ♣J | -1 | +10 |
| +6.5 | Round 15 | AUSTRALIA Open | 27 | 4♥ | ♠K | = | +8 |
| +6.3 | Round 15 | AUSTRALIA Open | 29 | 4♥ | ♣5 | = | +3 |
| +6.2 | Round 5 | BANGLADESH | 19 | 4♠ | ♥3 | = | +7 |
| +6.0 | Round 11 | ZHEJIANG JINJIANG | 14 | 2♦ | ♠A | = | +6 |
| +5.8 | Round 3 | ITS MAGIC | 25 | 4♥ | ♦A | -2 | +3 |
| +5.6 | Round 13 | GALAGILE | 3 | 3NT | ♦3 | = | -1 |
| +4.8 | Round 5 | BANGLADESH | 11 | 3NT | ♣3 | -1 | +5 |
| +4.6 | Round 11 | ZHEJIANG JINJIANG | 11 | 5♦ | ♣4 | = | +7 |
| +4.1 | Round 3 | ITS MAGIC | 23 | 3♦ | ♣2 | -2 | +7 |
| +4.1 | Round 6 | NEWB | 28 | 4♠ | ♥6 | -1 | +6 |
| +4.0 | Round 11 | ZHEJIANG JINJIANG | 19 | 3NT | ♦9 | = | +0 |
| +3.7 | Round 10 | WUHAN XINGYUTU MEDIA | 10 | 4♠ | ♣Q | -1 | +5 |
| +3.3 | Round 2 | POLMANY | 15 | 4♥ | ♦8 | = | +6 |
| +3.2 | Round 7 | JILIN BA | 3 | 3NT | ♥10 | -1 | +5 |
| +3.2 | Round 13 | GALAGILE | 2 | 3♦ | ♣Q | -1 | +12 |
| +3.1 | Round 10 | WUHAN XINGYUTU MEDIA | 7 | 3NT | ♦2 | = | +0 |
| +2.9 | Round 13 | GALAGILE | 7 | 3NT | ♥2 | +3 | +1 |
| +2.8 | Round 6 | NEWB | 21 | 3♣ | ♦10 | -1 | -4 |
| +2.7 | Round 10 | WUHAN XINGYUTU MEDIA | 2 | 4♠ | ♥A | = | +3 |
| +2.4 | Round 5 | BANGLADESH | 15 | 3♥ | ♠A | -1 | -2 |
| +2.2 | Round 7 | JILIN BA | 10 | 3♦ | ♠Q | = | -1 |
| +2.1 | Round 10 | WUHAN XINGYUTU MEDIA | 1 | 1NT | ♦10 | -1 | -1 |
| +2.0 | Round 3 | ITS MAGIC | 27 | 3NT | ♣8 | = | +3 |
| +2.0 | Round 6 | NEWB | 27 | 5♠ | ♥A | -1 | +8 |
| +2.0 | Round 10 | WUHAN XINGYUTU MEDIA | 4 | 4♦ | ♠2 | = | +0 |
| +1.8 | Round 13 | GALAGILE | 4 | 2♥ | ♣3 | +1 | +1 |
| +1.4 | Round 11 | ZHEJIANG JINJIANG | 12 | 4♥ | ♦J | = | +0 |
| +1.2 | Round 5 | BANGLADESH | 16 | 3♣ | ♥K | +2 | -6 |
| +1.1 | Round 3 | ITS MAGIC | 26 | 4♥ | ♠K | +2 | +13 |
| +0.8 | Round 6 | NEWB | 23 | 2NT | ♣3 | = | -1 |
| +0.8 | Round 7 | JILIN BA | 5 | 3♥ | ♣J | -1 | -1 |
| +0.8 | Round 15 | AUSTRALIA Open | 24 | 3NT | ♠5 | +3 | +1 |
| +0.4 | Round 7 | JILIN BA | 6 | 5♦ | ♥4 | = | +0 |
| +0.4 | Round 13 | GALAGILE | 6 | 2♦ | ♥6 | +2 | +7 |
| +0.1 | Round 13 | GALAGILE | 9 | 3NT | ♥5 | +1 | -1 |
| -0.0 | Round 5 | BANGLADESH | 12 | 1NT | ♠J | -1 | -2 |
| -0.0 | Round 10 | WUHAN XINGYUTU MEDIA | 8 | 6NT | ♣6 | = | -11 |
| -0.1 | Round 3 | ITS MAGIC | 22 | 3NT | ♥9 | -1 | -5 |
| -0.3 | Round 2 | POLMANY | 17 | 3♠ | ♥A | = | +7 |
| -0.3 | Round 3 | ITS MAGIC | 30 | 4♥ | ♠A | +1 | +0 |
| -0.4 | Round 5 | BANGLADESH | 20 | 2♠ | ♣2 | +1 | +0 |
| -0.5 | Round 10 | WUHAN XINGYUTU MEDIA | 3 | 4♣ | ♣4 | = | -7 |
| -0.5 | Round 11 | ZHEJIANG JINJIANG | 17 | 3♥ | ♠2 | -2 | +7 |
| -0.5 | Round 15 | AUSTRALIA Open | 25 | 3NT | ♠9 | +1 | +0 |
| -0.6 | Round 6 | NEWB | 30 | 2♥ | ♣K | +1 | -6 |
| -0.8 | Round 7 | JILIN BA | 4 | 5♠x | ♦K | -2 | +0 |
| -0.9 | Round 6 | NEWB | 22 | 2♥ | ♦Q | +1 | +0 |
| -0.9 | Round 7 | JILIN BA | 2 | 2♠ | ♣A | -1 | +1 |
| -1.4 | Round 2 | POLMANY | 14 | 3♦ | ♥7 | +1 | -6 |
| -1.4 | Round 10 | WUHAN XINGYUTU MEDIA | 9 | Pass | +3 | ||
| -1.5 | Round 13 | GALAGILE | 10 | 4♥ | ♦5 | -1 | -6 |
| -1.7 | Round 5 | BANGLADESH | 18 | 3NT | ♠6 | -1 | -6 |
| -1.8 | Round 15 | AUSTRALIA Open | 23 | 2♥ | ♦6 | +1 | -1 |
| -1.9 | Round 3 | ITS MAGIC | 21 | 3NT | ♠K | = | +2 |
| -2.0 | Round 3 | ITS MAGIC | 28 | 4♠ | ♦3 | = | +1 |
| -2.2 | Round 11 | ZHEJIANG JINJIANG | 16 | 3♥ | ♣9 | +1 | -1 |
| -2.3 | Round 11 | ZHEJIANG JINJIANG | 20 | 3♣ | ♥8 | -2 | -3 |
| -2.4 | Round 3 | ITS MAGIC | 24 | 3NT | ♥K | +3 | -1 |
| -2.5 | Round 10 | WUHAN XINGYUTU MEDIA | 5 | 3♥ | ♣K | = | -6 |
| -2.5 | Round 15 | AUSTRALIA Open | 28 | 3NT | ♦8 | +3 | -11 |
| -2.7 | Round 2 | POLMANY | 18 | 1NT | ♥7 | -2 | -5 |
| -2.8 | Round 15 | AUSTRALIA Open | 30 | 3NT | ♦4 | -1 | -5 |
| -2.9 | Round 6 | NEWB | 24 | 3NT | ♣2 | -1 | -4 |
| -3.0 | Round 15 | AUSTRALIA Open | 22 | 2NT | ♠4 | = | -10 |
| -3.2 | Round 7 | JILIN BA | 1 | 1NT | ♣5 | = | -5 |
| -3.8 | Round 2 | POLMANY | 16 | 3NT | ♠4 | = | -7 |
| -3.9 | Round 5 | BANGLADESH | 14 | 2♥ | ♦A | = | +1 |
| -3.9 | Round 11 | ZHEJIANG JINJIANG | 18 | 3♠ | ♣2 | -1 | -4 |
| -4.3 | Round 7 | JILIN BA | 9 | 4♣ | ♠6 | +1 | -15 |
| -4.4 | Round 2 | POLMANY | 13 | 1NT | ♠J | -1 | -5 |
| -4.4 | Round 5 | BANGLADESH | 17 | 4♠ | ♣3 | -1 | -5 |
| -4.5 | Round 13 | GALAGILE | 8 | 6♦ | ♠A | = | +0 |
| -4.7 | Round 11 | ZHEJIANG JINJIANG | 15 | 5♣ | ♦K | = | +2 |
| -4.9 | Round 7 | JILIN BA | 7 | 2♦ | ♦3 | -1 | -5 |
| -5.0 | Round 5 | BANGLADESH | 13 | 4♠ | ♣5 | = | +0 |
| -5.2 | Round 3 | ITS MAGIC | 29 | 4♠ | ♥J | = | -10 |
| -5.2 | Round 11 | ZHEJIANG JINJIANG | 13 | 3NT | ♥3 | +1 | -10 |
| -5.7 | Round 13 | GALAGILE | 5 | 4♥ | ♥4 | -1 | +2 |
| -6.1 | Round 15 | AUSTRALIA Open | 21 | 3♦x | ♥A | -2 | -4 |
| -6.8 | Round 15 | AUSTRALIA Open | 26 | 2♠ | ♦5 | = | -12 |
| -7.2 | Round 2 | POLMANY | 19 | 3NT | ♦10 | -2 | -8 |
| -7.4 | Round 2 | POLMANY | 20 | 4♠ | ♥A | = | -3 |
| -9.5 | Round 10 | WUHAN XINGYUTU MEDIA | 6 | 3NT | ♣7 | = | -10 |
| -10.5 | Round 2 | POLMANY | 11 | 5♥x | ♣K | -4 | -9 |
| -11.4 | Round 2 | POLMANY | 12 | 3♠x | ♥Q | = | -6 |
| -12.6 | Round 6 | NEWB | 29 | 7♠ | ♥10 | -1 | -17 |