DAI Liu · SHANGHAI BRIDGE
vs par split: bidding -1.24 · play -0.09
Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted -1.18/bd
Card play — on target: opening leads 71.4% #453 of 675 · declarer play 62.5% #623 of 675 · defence 83.9% #436 of 675
Bidding activity — not a pass: 38.6% #570 of 675 (73/189)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 60.0% (10) |
| Declarer play | 75.0% (4) | 58.3% (12) |
| Defence | 76.9% (13) | 88.9% (18) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 57.1% (7) · ♣ 50.0% (2)
vs par by strain: NT -0.76 (25) · a suit -1.64 (45)
vs par by level: part-score -1.68 (22) · game -1.13 (45) · slam -1.67 (3)
By role: declaring -1.65/bd (-3.74 vs par · 39) · defending -0.47/bd (+1.71 vs par · 31)
By vulnerability: vulnerable -1.41/bd (-1.97 vs par · 35) · not vulnerable -0.85/bd (-0.69 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Zhu | Z.Shi – C.Ju | Closed | 14 | -2.9 | -0.21 | +0.93 |
| Round 2 | B.Zhu | K.Cooper – R.Cooper | Closed | 14 | -8.4 | -0.60 | -3.07 |
| Round 4 | B.Zhu | C.Stirbu – G.Serpoi | Closed | 14 | -39.4 | -2.81 | -3.43 |
| Round 6 | B.Zhu | C.Valsega – M.Cammarata | Closed | 14 | -26.2 | -1.87 | -1.36 |
| Round 7 | B.Zhu | P.Karlik – I.Walach | Open | 14 | -2.1 | -0.15 | +0.29 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 7 | JARA CIMRMAN | 4 | 3NT | ♣3 | +1 | +4 |
| +9.2 | Round 7 | JARA CIMRMAN | 9 | 3NTx | ♣A | -2 | +12 |
| +8.4 | Round 1 | CHINA OPEN TEAM 1 | 6 | 3♥ | ♦5 | +1 | +7 |
| +7.6 | Round 6 | PLITLI | 18 | 4♥ | ♠4 | -1 | +14 |
| +6.3 | Round 7 | JARA CIMRMAN | 7 | 4♥ | ♠9 | +1 | +0 |
| +5.3 | Round 2 | SUPER COOPER | 21 | 3NT | ♠3 | -2 | +6 |
| +4.9 | Round 2 | SUPER COOPER | 27 | 4♦x | ♠8 | -2 | +4 |
| +4.1 | Round 1 | CHINA OPEN TEAM 1 | 7 | 4♠ | ♥3 | -1 | +12 |
| +3.9 | Round 1 | CHINA OPEN TEAM 1 | 5 | 3NT | ♠5 | -1 | +5 |
| +3.7 | Round 2 | SUPER COOPER | 19 | 5♣ | ♠T | = | +0 |
| +3.7 | Round 7 | JARA CIMRMAN | 10 | 3♣ | ♠7 | -1 | +11 |
| +2.7 | Round 2 | SUPER COOPER | 26 | 4♠x | ♥A | -1 | -9 |
| +2.3 | Round 4 | CONTRA | 25 | 3♥ | ♥K | = | +0 |
| +2.1 | Round 1 | CHINA OPEN TEAM 1 | 8 | 4♠ | ♥7 | -1 | +5 |
| +1.9 | Round 2 | SUPER COOPER | 24 | 2♣ | ♠2 | -1 | +4 |
| +1.8 | Round 1 | CHINA OPEN TEAM 1 | 1 | 3NT | ♠5 | -2 | +5 |
| +1.2 | Round 1 | CHINA OPEN TEAM 1 | 14 | 4♠ | ♣K | -1 | +4 |
| +1.1 | Round 2 | SUPER COOPER | 16 | 2♥ | ♣A | = | +5 |
| +1.1 | Round 7 | JARA CIMRMAN | 14 | 4♠x | ♦3 | -2 | +4 |
| +1.0 | Round 4 | CONTRA | 21 | 1NT | ♠Q | -1 | +4 |
| +0.7 | Round 2 | SUPER COOPER | 15 | 3NT | ♠2 | +1 | +0 |
| +0.7 | Round 6 | PLITLI | 19 | 3NT | ♠9 | +2 | +1 |
| +0.7 | Round 6 | PLITLI | 22 | 3NT | ♥2 | +2 | +0 |
| +0.7 | Round 7 | JARA CIMRMAN | 5 | 2NT | ♦J | -1 | +1 |
| +0.3 | Round 1 | CHINA OPEN TEAM 1 | 9 | 4♠x | ♠3 | -2 | +5 |
| +0.3 | Round 2 | SUPER COOPER | 25 | 4♥ | ♠4 | +1 | +0 |
| +0.2 | Round 6 | PLITLI | 23 | 3NT | ♣3 | +1 | +1 |
| +0.2 | Round 7 | JARA CIMRMAN | 1 | 4♠ | ♥3 | +1 | +0 |
| -0.0 | Round 6 | PLITLI | 26 | 3♣ | ♣2 | +3 | -8 |
| -0.2 | Round 4 | CONTRA | 19 | 2♠ | ♥9 | +1 | +10 |
| -0.5 | Round 2 | SUPER COOPER | 28 | 3NT | ♥4 | +1 | +0 |
| -0.8 | Round 4 | CONTRA | 27 | 3NT | ♠3 | = | +0 |
| -1.0 | Round 1 | CHINA OPEN TEAM 1 | 10 | 2♥ | ♦J | +1 | -10 |
| -1.2 | Round 7 | JARA CIMRMAN | 3 | 4♠ | ♦J | -1 | +2 |
| -1.6 | Round 6 | PLITLI | 25 | 2NT | ♥3 | -1 | -5 |
| -1.8 | Round 6 | PLITLI | 20 | 1♠ | ♥8 | +2 | +10 |
| -1.9 | Round 1 | CHINA OPEN TEAM 1 | 12 | 4♥ | ♣4 | = | +0 |
| -1.9 | Round 6 | PLITLI | 21 | 5♣ | ♠2 | -2 | -2 |
| -1.9 | Round 7 | JARA CIMRMAN | 2 | 3NT | ♠7 | +3 | +10 |
| -2.0 | Round 1 | CHINA OPEN TEAM 1 | 11 | 4♥ | ♦T | +1 | +0 |
| -2.1 | Round 1 | CHINA OPEN TEAM 1 | 4 | 6♠ | ♠3 | +1 | +13 |
| -2.1 | Round 6 | PLITLI | 27 | 5♦ | ♥2 | +1 | -11 |
| -2.4 | Round 4 | CONTRA | 18 | 5♦ | ♥K | +1 | -13 |
| -2.5 | Round 4 | CONTRA | 24 | 4♠ | ♣3 | -1 | -10 |
| -2.5 | Round 6 | PLITLI | 24 | 1NT | ♦7 | +3 | -6 |
| -2.7 | Round 4 | CONTRA | 15 | 3NT | ♣K | +2 | -1 |
| -2.8 | Round 4 | CONTRA | 17 | 5♣ | ♥A | = | +2 |
| -3.0 | Round 2 | SUPER COOPER | 17 | 3♦ | ♣K | +2 | -7 |
| -3.4 | Round 2 | SUPER COOPER | 18 | 2NT | ♥3 | -1 | -5 |
| -3.5 | Round 6 | PLITLI | 28 | 1NT | ♠Q | = | -5 |
| -3.6 | Round 4 | CONTRA | 23 | 3NT | ♥T | -1 | -12 |
| -3.8 | Round 7 | JARA CIMRMAN | 8 | 4♠ | ♥7 | -2 | -6 |
| -4.2 | Round 4 | CONTRA | 16 | 1NT | ♣2 | +4 | -6 |
| -4.5 | Round 7 | JARA CIMRMAN | 11 | 3NT | ♥J | -2 | -6 |
| -4.7 | Round 6 | PLITLI | 16 | 4♥ | ♣7 | +1 | +4 |
| -4.8 | Round 4 | CONTRA | 22 | 4♠ | ♣7 | -3 | -6 |
| -5.0 | Round 1 | CHINA OPEN TEAM 1 | 13 | 3NT | ♠6 | = | -10 |
| -5.3 | Round 7 | JARA CIMRMAN | 6 | 2♥ | ♣3 | -2 | -6 |
| -5.6 | Round 4 | CONTRA | 26 | 3NT | ♥T | = | +0 |
| -5.7 | Round 2 | SUPER COOPER | 23 | 3♥x | ♠9 | -1 | -14 |
| -5.8 | Round 1 | CHINA OPEN TEAM 1 | 3 | 4♥ | ♣5 | = | -10 |
| -6.3 | Round 4 | CONTRA | 28 | 5♥x | ♠A | -3 | -8 |
| -6.4 | Round 2 | SUPER COOPER | 20 | 6♥ | ♣4 | -2 | -13 |
| -6.5 | Round 7 | JARA CIMRMAN | 13 | 4♥ | ♣A | = | -10 |
| -6.8 | Round 4 | CONTRA | 20 | 3♦ | ♠Q | -2 | -8 |
| -6.9 | Round 1 | CHINA OPEN TEAM 1 | 2 | 3♠ | ♠J | = | -13 |
| -7.8 | Round 6 | PLITLI | 17 | 6♠x | ♦K | -3 | -5 |
| -9.5 | Round 6 | PLITLI | 15 | 5♠ | ♥K | -2 | -7 |
| -9.9 | Round 7 | JARA CIMRMAN | 12 | 3NT | ♠J | -1 | -12 |
| -10.0 | Round 2 | SUPER COOPER | 22 | 4♥ | ♥3 | +3 | -14 |