DU Jiangtao · INNER MONGOLIA JUNZHENG
vs par split: bidding -1.67 · play -1.35
Strength of schedule: opponents averaged -0.42/bd (an easy draw) → opponent-adjusted -1.69/bd
Card play — on target: opening leads 85.7% #144 of 579 · declarer play 77.8% #213 of 579 · defence 82.6% #407 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 81.8% (11) |
| Declarer play | 100.0% (5) | 69.2% (13) |
| Defence | 75.0% (4) | 84.2% (19) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 75.0% (4) · ♦ 100.0% (5) · ♣ 75.0% (4)
vs par by strain: NT -3.23 (13) · a suit -2.94 (36)
vs par by level: part-score -3.17 (24) · game -2.15 (20) · slam -5.80 (5)
By role: declaring -1.09/bd (-6.04 vs par · 26) · defending -1.49/bd (+0.39 vs par · 23)
By vulnerability: vulnerable -2.40/bd (-6.00 vs par · 24) · not vulnerable -0.19/bd (-0.16 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Tang | I.Coldea – B.Marina | Closed | 7 | -10.9 | -1.56 | -3.00 |
| Round 2 | D.Tang | B.Chmurski – I.Chalupec | Closed | 7 | -4.1 | -0.59 | +1.57 |
| Round 3 | D.Tang | H.Weinstein – G.Chagas | Closed | 7 | -13.8 | -1.97 | -2.29 |
| Round 4 | D.Tang | T.Sadek – K.Nabil | Open | 7 | -8.2 | -1.17 | -6.29 |
| Round 6 | D.Tang | G.Manna – K.Samant | Open | 7 | -25.5 | -3.64 | -6.29 |
| Round 7 | D.Tang | B.Li – H.Liu | Open | 7 | -2.0 | -0.29 | -1.71 |
| Round 8 | D.Tang | E.Aksuyek – Y.Wu | Open | 7 | +2.0 | +0.29 | -3.14 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 1 | ROMANIA | 2 | 3NT | ♠4 | = | +7 |
| +7.0 | Round 8 | BILAL | 22 | 3NT | ♣6 | +1 | +0 |
| +6.5 | Round 2 | BRIDGE24 B | 13 | 4♠ | ♥5 | -3 | +8 |
| +5.4 | Round 3 | WEINSTEIN | 15 | 3♠x | ♦4 | -1 | +7 |
| +5.4 | Round 7 | BEIJIING TAILI KANGXIN | 17 | 5♣ | ♦9 | -1 | +5 |
| +5.0 | Round 8 | BILAL | 23 | 2♠ | ♥9 | -1 | +5 |
| +3.4 | Round 8 | BILAL | 27 | 2NT | ♠K | = | +1 |
| +3.3 | Round 2 | BRIDGE24 B | 8 | 2♠ | ♣J | +1 | +6 |
| +3.3 | Round 7 | BEIJIING TAILI KANGXIN | 18 | 3♥ | ♦Q | = | +0 |
| +2.1 | Round 2 | BRIDGE24 B | 12 | 2♥ | ♦Q | +1 | +0 |
| +2.0 | Round 3 | WEINSTEIN | 19 | 3NT | ♦8 | +1 | -17 |
| +2.0 | Round 8 | BILAL | 26 | 3NT | ♥Q | = | +0 |
| +0.8 | Round 4 | HUSSEIN | 28 | 3NT | ♣3 | -1 | +6 |
| +0.7 | Round 4 | HUSSEIN | 26 | 4♠ | ♣Q | +1 | -13 |
| +0.3 | Round 1 | ROMANIA | 1 | 2♦ | ♠A | -2 | +5 |
| +0.3 | Round 6 | PODDAR DEVELOPERS | 13 | 2NT | ♥Q | = | -1 |
| +0.2 | Round 1 | ROMANIA | 5 | 2♠ | ♣8 | +1 | +0 |
| -0.0 | Round 4 | HUSSEIN | 25 | 3NT | ♣3 | +2 | -12 |
| -0.3 | Round 2 | BRIDGE24 B | 11 | 4♠ | ♥J | +1 | +10 |
| -0.3 | Round 7 | BEIJIING TAILI KANGXIN | 20 | 4♠ | ♠J | +2 | +13 |
| -0.7 | Round 3 | WEINSTEIN | 18 | 2♥ | ♣A | = | +0 |
| -0.7 | Round 4 | HUSSEIN | 24 | 3NT | ♠3 | = | +2 |
| -0.8 | Round 1 | ROMANIA | 3 | 2♠x | ♣9 | -1 | -2 |
| -1.2 | Round 8 | BILAL | 24 | 4♠x | ♠2 | -2 | -4 |
| -1.3 | Round 6 | PODDAR DEVELOPERS | 11 | 2♥ | ♦8 | = | +1 |
| -1.9 | Round 2 | BRIDGE24 B | 14 | 1NT | ♥8 | = | +1 |
| -1.9 | Round 7 | BEIJIING TAILI KANGXIN | 15 | 4♦ | ♥A | +2 | -13 |
| -2.0 | Round 4 | HUSSEIN | 22 | 3♦ | ♣A | -2 | -2 |
| -2.0 | Round 4 | HUSSEIN | 23 | 6♣ | ♦3 | -1 | -17 |
| -2.0 | Round 7 | BEIJIING TAILI KANGXIN | 21 | 4♠ | ♣8 | -1 | -5 |
| -2.4 | Round 1 | ROMANIA | 4 | 2♠ | ♥K | = | -6 |
| -2.8 | Round 7 | BEIJIING TAILI KANGXIN | 19 | 3♠x | ♦6 | -1 | -2 |
| -3.1 | Round 2 | BRIDGE24 B | 9 | 5♣ | ♦A | = | +0 |
| -3.4 | Round 6 | PODDAR DEVELOPERS | 14 | 5♣ | ♥A | +1 | -3 |
| -3.5 | Round 6 | PODDAR DEVELOPERS | 12 | 3NT | ♦5 | -1 | -10 |
| -3.5 | Round 8 | BILAL | 28 | 4♥ | ♣6 | -2 | -11 |
| -3.7 | Round 7 | BEIJIING TAILI KANGXIN | 16 | 2♣ | ♦7 | +3 | -10 |
| -4.3 | Round 6 | PODDAR DEVELOPERS | 8 | 2♠x | ♣A | -1 | -8 |
| -4.4 | Round 3 | WEINSTEIN | 17 | 2♠ | ♣4 | = | -6 |
| -4.5 | Round 3 | WEINSTEIN | 21 | 6♠ | ♥J | = | +13 |
| -5.0 | Round 3 | WEINSTEIN | 16 | 6♦ | ♣A | = | +2 |
| -5.0 | Round 4 | HUSSEIN | 27 | 2♦ | ♥J | -1 | -8 |
| -5.4 | Round 6 | PODDAR DEVELOPERS | 10 | 3NT | ♠Q | -2 | -8 |
| -6.2 | Round 1 | ROMANIA | 6 | 3NT | ♦Q | = | -11 |
| -6.6 | Round 3 | WEINSTEIN | 20 | 2♥ | ♦K | -2 | -15 |
| -7.9 | Round 6 | PODDAR DEVELOPERS | 9 | 4♦ | ♥Q | +2 | -15 |
| -10.7 | Round 2 | BRIDGE24 B | 10 | 6♦ | ♥9 | -3 | -14 |
| -10.7 | Round 8 | BILAL | 25 | 6♥ | ♣A | -2 | -13 |
| -11.6 | Round 1 | ROMANIA | 7 | 3♠ | ♣6 | -3 | -14 |