DU Jiangtao · INNER MONGOLIA JUNZHENG
vs par split: bidding +0.94 · play -1.33
Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted -1.13/bd
Card play — on target: opening leads 75.0% #167 of 277 · declarer play 61.5% #239 of 277 · defence 81.5% #164 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 76.9% (13) |
| Declarer play | 50.0% (6) | 71.4% (7) |
| Defence | 71.4% (7) | 85.0% (20) |
Opening leads by suit led: ♠ 50.0% (6) · ♥ 50.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (4)
vs par by strain: NT -0.26 (19) · a suit -0.46 (35)
vs par by level: part-score +2.80 (20) · game -2.89 (28) · slam +0.67 (6)
By role: declaring -0.78/bd (-2.79 vs par · 28) · defending -1.16/bd (+1.82 vs par · 28)
By vulnerability: vulnerable -1.24/bd (-0.29 vs par · 28) · not vulnerable -0.70/bd (-0.68 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Tang | P.Weinstock – R.Mihai | Closed | 7 | -1.1 | -0.16 | +0.14 |
| Round 2 | D.Tang | G.Bilski – R.Speiser | Open | 7 | -0.2 | -0.03 | +3.29 |
| Round 3 | D.Tang | A.Kanetkar – D.Beauchamp | Open | 7 | -4.5 | -0.64 | +0.86 |
| Round 4 | D.Tang | X.Li – Q.Wu | Open | 7 | +16.2 | +2.31 | +0.71 |
| Round 5 | D.Tang | J.Jin – J.Wei | Open | 7 | -26.2 | -3.74 | -2.86 |
| Round 6 | D.Tang | T.Sielicki – P.Tuczynski | Open | 7 | -24.4 | -3.49 | -4.57 |
| Round 7 | D.Tang | L.Gao – X.Li | Closed | 7 | -1.4 | -0.20 | +0.43 |
| Round 8 | D.Tang | X.Feng – L.Gu | Closed | 7 | -12.6 | -1.80 | -1.86 |
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 |
|---|---|---|---|---|---|---|---|
| +9.4 | Round 7 | BEIJIING TAILI KANGXIN | 19 | 2♥x | ♠3 | -3 | +9 |
| +6.3 | Round 3 | AUSCROWAL | 19 | 5♦ | ♠2 | -1 | +3 |
| +5.9 | Round 2 | BILSKI | 10 | 3♥ | ♠2 | +1 | +8 |
| +5.7 | Round 4 | BEYOND | 22 | 3NT | ♦2 | = | +0 |
| +5.0 | Round 2 | BILSKI | 11 | 2NT | ♦2 | -1 | +4 |
| +4.7 | Round 1 | WEINSTOCK | 5 | 4♠ | ♠2 | -3 | +4 |
| +4.7 | Round 4 | BEYOND | 26 | 2NT | ♠2 | -1 | +5 |
| +4.4 | Round 7 | BEIJIING TAILI KANGXIN | 18 | 5♦ | ♥6 | +1 | +13 |
| +3.8 | Round 2 | BILSKI | 14 | 3NT | ♥2 | -2 | +5 |
| +3.5 | Round 4 | BEYOND | 28 | 3♠x | ♦K | -1 | +9 |
| +3.1 | Round 1 | WEINSTOCK | 4 | 1NT | ♣A | = | +12 |
| +2.5 | Round 1 | WEINSTOCK | 1 | 3NT | ♦10 | = | -1 |
| +2.5 | Round 3 | AUSCROWAL | 17 | 4♠ | ♣2 | -1 | +8 |
| +2.5 | Round 4 | BEYOND | 24 | 1NT | ♥4 | +1 | +1 |
| +2.4 | Round 7 | BEIJIING TAILI KANGXIN | 21 | 6♠ | ♥2 | = | +0 |
| +2.1 | Round 6 | BRIDGE24 B | 11 | 3♣ | ♥2 | = | +0 |
| +1.8 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 3 | 3NT | ♦J | = | +0 |
| +1.5 | Round 8 | CHANGYU | 22 | 3♣ | ♠A | -1 | -2 |
| +1.4 | Round 1 | WEINSTOCK | 2 | 2♥ | ♣J | +3 | +10 |
| +1.3 | Round 6 | BRIDGE24 B | 9 | Adj. | ♦3 | -3 | |
| +1.2 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 2 | 2♠ | ♥K | +1 | +0 |
| +0.8 | Round 4 | BEYOND | 25 | 3NT | ♥A | +1 | +1 |
| +0.7 | Round 3 | AUSCROWAL | 21 | 1NT | ♥2 | +2 | +10 |
| +0.6 | Round 3 | AUSCROWAL | 15 | 4♥ | ♠2 | +2 | -11 |
| +0.4 | Round 4 | BEYOND | 27 | 4♠ | ♥6 | +1 | -11 |
| -0.2 | Round 8 | CHANGYU | 25 | 2♥ | ♠A | = | +1 |
| -0.7 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 6 | 6♠ | ♦3 | = | +11 |
| -0.8 | Round 8 | CHANGYU | 28 | 4♠ | ♣7 | = | -3 |
| -0.9 | Round 2 | BILSKI | 8 | 1NT | ♠2 | = | +1 |
| -0.9 | Round 3 | AUSCROWAL | 16 | 3♥ | ♣6 | = | +7 |
| -0.9 | Round 7 | BEIJIING TAILI KANGXIN | 20 | Pass | -3 | ||
| -1.1 | Round 7 | BEIJIING TAILI KANGXIN | 17 | 4♥ | ♦7 | -2 | -7 |
| -1.4 | Round 4 | BEYOND | 23 | 3♣ | ♠6 | +1 | +0 |
| -1.8 | Round 6 | BRIDGE24 B | 12 | 5♥ | ♠8 | = | +0 |
| -2.3 | Round 3 | AUSCROWAL | 20 | 2NT | ♦2 | +1 | +1 |
| -2.6 | Round 8 | CHANGYU | 24 | 3NT | ♥7 | -1 | -5 |
| -2.9 | Round 8 | CHANGYU | 27 | 4♠ | ♦Q | = | +0 |
| -3.0 | Round 1 | WEINSTOCK | 3 | 3NT | ♠5 | -1 | -6 |
| -3.0 | Round 2 | BILSKI | 12 | 4♦ | ♣2 | -3 | -2 |
| -3.4 | Round 8 | CHANGYU | 23 | 3NT | ♥3 | -1 | -5 |
| -3.6 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 5 | 4♠ | ♠2 | -1 | -10 |
| -3.9 | Round 6 | BRIDGE24 B | 8 | 2NT | ♠K | -3 | -6 |
| -4.0 | Round 2 | BILSKI | 9 | 4♠ | ♦Q | -1 | -6 |
| -4.2 | Round 8 | CHANGYU | 26 | 3NT | ♥6 | = | +1 |
| -4.3 | Round 1 | WEINSTOCK | 7 | 4♠ | ♥6 | -1 | -6 |
| -4.7 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 7 | 6♥ | ♠A | = | +0 |
| -5.5 | Round 1 | WEINSTOCK | 6 | 2NT | ♥4 | -1 | -12 |
| -5.7 | Round 6 | BRIDGE24 B | 14 | 4♠ | ♠4 | -2 | -5 |
| -6.2 | Round 6 | BRIDGE24 B | 13 | 4♠ | ♥J | -2 | -7 |
| -7.0 | Round 2 | BILSKI | 13 | 6♠ | ♥2 | +1 | +13 |
| -7.1 | Round 7 | BEIJIING TAILI KANGXIN | 16 | 6♠ | ♦Q | -3 | -9 |
| -8.5 | Round 7 | BEIJIING TAILI KANGXIN | 15 | 4♥ | ♦3 | = | +0 |
| -9.1 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 4 | 4♠ | ♣9 | = | -10 |
| -10.2 | Round 6 | BRIDGE24 B | 10 | 3NT | ♠5 | +1 | -11 |
| -11.1 | Round 5 | JILINSHENGQIAOPAIXIEHUI | 1 | 6♥ | ♠K | = | -11 |
| -11.4 | Round 3 | AUSCROWAL | 18 | 4♥ | ♠2 | = | -12 |