DAI Liu · SHANGHAI BRIDGE
205rank
-63.7Butler · 98 bds
-0.65per board
±5.2swing
-0.14vs par /bd · #100/161
-0.84adjusted /bd
by round
vs par split: bidding +0.48 · play -0.62
Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -0.84/bd
Card play — on target: opening leads 89.7% #21 of 161 · declarer play 59.1% #150 of 161 · defence 88.2% #89 of 161
Bidding activity — not a pass: 38.4% #133 of 161 (108/281)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 87.5% (8) | 90.5% (21) |
| Declarer play | 33.3% (6) | 68.8% (16) |
| Defence | 78.6% (14) | 91.9% (37) |
Opening leads by suit led: ♠ 92.9% (14) · ♥ 75.0% (8) · ♦ 100.0% (2) · ♣ 100.0% (5)
vs par by strain: NT +0.44 (25) · a suit -0.34 (73)
vs par by level: part-score +1.64 (28) · game -0.62 (64) · slam -3.33 (6)
By role: declaring -0.63/bd (-2.87 vs par · 47) · defending -0.67/bd (+2.37 vs par · 51)
By vulnerability: vulnerable -0.83/bd (-0.73 vs par · 49) · not vulnerable -0.47/bd (+0.45 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Zhu | B.Drijver – S.Ashe | Open | 14 | +2.8 | +0.20 | -2.21 |
| Round 2 | B.Zhu | V.Le Lez – D.Israeli | Closed | 14 | -3.9 | -0.28 | +1.36 |
| Round 3 | B.Zhu | V.Vroustis – N.Delimpaltadakis | Open | 14 | -14.1 | -1.01 | +0.07 |
| Round 4 | B.Zhu | W.Chiu – S.Sze | Open | 14 | -60.1 | -4.29 | -1.71 |
| Round 5 | B.Zhu | G.Sigurjonsson – R.Einarsson | Open | 14 | +1.0 | +0.07 | +4.43 |
| Round 6 | B.Zhu | G.Serpoi – C.Stirbu | Closed | 14 | -16.3 | -1.16 | -3.93 |
| Round 7 | B.Zhu | A.Tebha – C.Parker | Closed | 14 | +26.9 | +1.92 | +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 |
|---|---|---|---|---|---|---|---|
| +11.0 | Round 3 | DUBOIN | 10 | 4♥ | ♦Q | -1 | +12 |
| +9.6 | Round 5 | GRANT THORNTON | 7 | 4♠ | ♥A | -1 | +12 |
| +9.2 | Round 7 | PARKER | 12 | 4♠ | ♣3 | +1 | -4 |
| +9.0 | Round 7 | PARKER | 6 | 2♥ | ♠2 | +2 | +10 |
| +7.4 | Round 3 | DUBOIN | 14 | 4♠ | ♦9 | +1 | +4 |
| +7.0 | Round 1 | ASHE | 9 | 4♥ | ♣A | = | +0 |
| +7.0 | Round 3 | DUBOIN | 5 | 4♠ | ♥2 | = | +13 |
| +6.6 | Round 7 | PARKER | 10 | 3♥ | ♣7 | +1 | +10 |
| +6.0 | Round 5 | GRANT THORNTON | 6 | 3NT | ♥K | -2 | +8 |
| +5.7 | Round 1 | ASHE | 11 | 4♥ | ♣A | +1 | +1 |
| +5.3 | Round 2 | HEIMO | 20 | 4♥ | ♠T | = | +10 |
| +5.2 | Round 6 | CONTRA | 22 | 2NT | ♦3 | +1 | +8 |
| +4.9 | Round 1 | ASHE | 6 | 4♦ | ♠T | -1 | +12 |
| +4.7 | Round 1 | ASHE | 3 | 3♣ | ♠J | -1 | +6 |
| +4.7 | Round 4 | BLUE SKY THINKING BC | 18 | 4♥ | ♠2 | +2 | +11 |
| +4.4 | Round 6 | CONTRA | 21 | 4♠ | ♥6 | -1 | +5 |
| +4.2 | Round 6 | CONTRA | 15 | 3NT | ♣7 | = | +0 |
| +4.1 | Round 4 | BLUE SKY THINKING BC | 22 | 4♥x | ♦3 | = | +9 |
| +4.1 | Round 5 | GRANT THORNTON | 3 | 3NT | ♥4 | +2 | +12 |
| +4.0 | Round 7 | PARKER | 4 | 3NT | ♠2 | -1 | +6 |
| +4.0 | Round 7 | PARKER | 7 | 4♣ | ♥K | -2 | +8 |
| +3.5 | Round 1 | ASHE | 4 | 3NT | ♥T | = | +0 |
| +3.3 | Round 1 | ASHE | 5 | 3♠ | ♦K | = | -10 |
| +3.3 | Round 5 | GRANT THORNTON | 10 | 4♥ | ♣A | = | +3 |
| +3.3 | Round 6 | CONTRA | 28 | 4♣ | ♠A | = | +0 |
| +2.7 | Round 7 | PARKER | 13 | 4♠ | ♥T | +1 | +1 |
| +2.5 | Round 2 | HEIMO | 21 | 2♠ | ♥3 | +2 | +2 |
| +2.3 | Round 2 | HEIMO | 27 | 4♠ | ♠3 | +2 | +2 |
| +2.1 | Round 5 | GRANT THORNTON | 4 | 3NT | ♠2 | -1 | +12 |
| +1.9 | Round 2 | HEIMO | 23 | 3♦ | ♥K | +2 | +10 |
| +1.4 | Round 7 | PARKER | 1 | 3♥ | ♠3 | = | +1 |
| +1.3 | Round 2 | HEIMO | 16 | 3NT | ♦6 | +3 | +1 |
| +1.3 | Round 3 | DUBOIN | 12 | 3NT | ♥Q | +1 | +14 |
| +1.3 | Round 7 | PARKER | 9 | 4♠ | ♦7 | -2 | -6 |
| +1.2 | Round 6 | CONTRA | 18 | 2♠ | ♦3 | +2 | -4 |
| +1.2 | Round 6 | CONTRA | 27 | 3♠ | ♦T | +1 | +2 |
| +1.1 | Round 7 | PARKER | 3 | 4♥ | ♦7 | +1 | +0 |
| +0.9 | Round 2 | HEIMO | 28 | 3♥ | ♦A | = | +7 |
| +0.9 | Round 3 | DUBOIN | 3 | 2NT | ♥3 | -1 | +2 |
| +0.9 | Round 3 | DUBOIN | 8 | 3NT | ♥7 | +1 | +0 |
| +0.9 | Round 7 | PARKER | 14 | 4♥ | ♠2 | = | +1 |
| +0.8 | Round 5 | GRANT THORNTON | 11 | 4♦ | ♥K | +2 | +6 |
| +0.4 | Round 4 | BLUE SKY THINKING BC | 16 | 3NT | ♠3 | +1 | +1 |
| +0.4 | Round 7 | PARKER | 2 | 2♠ | ♥J | -1 | -2 |
| +0.4 | Round 7 | PARKER | 11 | 4♠ | ♣J | +1 | +0 |
| +0.3 | Round 5 | GRANT THORNTON | 14 | 3♠ | ♥A | = | +1 |
| +0.2 | Round 1 | ASHE | 1 | 3♠ | ♥7 | -1 | +8 |
| +0.2 | Round 2 | HEIMO | 22 | 4♠ | ♥T | = | -3 |
| +0.1 | Round 1 | ASHE | 2 | 4♠ | ♣Q | = | -11 |
| -0.1 | Round 1 | ASHE | 10 | 4♥ | ♦K | = | +0 |
| -0.2 | Round 6 | CONTRA | 17 | 4♥ | ♦Q | = | -1 |
| -0.3 | Round 3 | DUBOIN | 6 | 3NT | ♣T | +1 | +0 |
| -0.3 | Round 3 | DUBOIN | 9 | 2♥ | ♣A | +2 | +8 |
| -0.4 | Round 5 | GRANT THORNTON | 8 | 3NT | ♠J | = | -1 |
| -0.5 | Round 1 | ASHE | 7 | 5♣ | ♥A | = | -3 |
| -0.5 | Round 2 | HEIMO | 26 | 4♠ | ♠9 | +1 | +0 |
| -0.7 | Round 4 | BLUE SKY THINKING BC | 25 | 4♠ | ♠3 | -1 | -5 |
| -0.8 | Round 4 | BLUE SKY THINKING BC | 27 | 6♥ | ♠4 | = | +0 |
| -1.1 | Round 4 | BLUE SKY THINKING BC | 24 | 4♣ | ♠6 | +1 | -1 |
| -1.4 | Round 7 | PARKER | 5 | 2♥ | ♦7 | = | +0 |
| -1.6 | Round 1 | ASHE | 14 | 6♠ | ♠3 | +1 | -11 |
| -1.7 | Round 2 | HEIMO | 15 | 2♠ | ♦T | -1 | -6 |
| -2.0 | Round 2 | HEIMO | 25 | 4♥ | ♣T | -2 | +0 |
| -2.1 | Round 2 | HEIMO | 19 | 5♦ | ♣A | = | +0 |
| -2.1 | Round 5 | GRANT THORNTON | 9 | 5♦ | ♠A | = | +2 |
| -3.0 | Round 2 | HEIMO | 24 | 4♠ | ♥Q | = | +1 |
| -3.0 | Round 4 | BLUE SKY THINKING BC | 26 | 3NT | ♦7 | -1 | -5 |
| -3.1 | Round 5 | GRANT THORNTON | 2 | 3NT | ♠6 | +2 | -1 |
| -3.1 | Round 5 | GRANT THORNTON | 12 | 5♠ | ♣4 | = | +11 |
| -3.1 | Round 6 | CONTRA | 24 | 2♦ | ♣J | = | -5 |
| -3.2 | Round 6 | CONTRA | 19 | 4♥ | ♦9 | -1 | -5 |
| -3.3 | Round 2 | HEIMO | 18 | 4♠ | ♣3 | = | +0 |
| -4.3 | Round 6 | CONTRA | 25 | 4♥ | ♦A | -1 | -5 |
| -4.7 | Round 1 | ASHE | 8 | 4♥ | ♦9 | = | -3 |
| -4.7 | Round 3 | DUBOIN | 2 | 4♥ | ♦6 | = | +0 |
| -5.0 | Round 3 | DUBOIN | 13 | 4♠ | ♣7 | -1 | -6 |
| -5.0 | Round 5 | GRANT THORNTON | 13 | 2♦ | ♥J | +1 | -1 |
| -5.2 | Round 5 | GRANT THORNTON | 1 | 3NT | ♠J | +2 | +10 |
| -5.2 | Round 6 | CONTRA | 26 | 2♥ | ♠A | -2 | -3 |
| -5.7 | Round 2 | HEIMO | 17 | 6♦x | ♣A | -1 | -5 |
| -5.8 | Round 4 | BLUE SKY THINKING BC | 23 | 3NT | ♠4 | +1 | -11 |
| -5.9 | Round 6 | CONTRA | 16 | 5♣ | ♥A | = | -13 |
| -6.3 | Round 5 | GRANT THORNTON | 5 | 3NT | ♠2 | -1 | -12 |
| -6.4 | Round 4 | BLUE SKY THINKING BC | 15 | 3NT | ♣2 | +1 | +1 |
| -6.9 | Round 6 | CONTRA | 23 | 6♣ | ♦T | -1 | -17 |
| -7.0 | Round 1 | ASHE | 12 | 3NT | ♥J | = | -5 |
| -7.0 | Round 6 | CONTRA | 20 | 4♠ | ♥A | +3 | -17 |
| -7.2 | Round 3 | DUBOIN | 11 | 5♦x | ♦3 | -2 | -9 |
| -7.3 | Round 4 | BLUE SKY THINKING BC | 17 | 3♣ | ♥T | +3 | -13 |
| -8.2 | Round 3 | DUBOIN | 7 | 3NT | ♠3 | = | -10 |
| -8.4 | Round 3 | DUBOIN | 4 | 3NT | ♥K | -2 | -17 |
| -8.5 | Round 3 | DUBOIN | 1 | 4♠x | ♣K | = | -10 |
| -10.0 | Round 4 | BLUE SKY THINKING BC | 20 | 5♥x | ♠T | -3 | -14 |
| -10.0 | Round 4 | BLUE SKY THINKING BC | 21 | 2♠ | ♦3 | +2 | -10 |
| -11.7 | Round 4 | BLUE SKY THINKING BC | 28 | 7♣ | ♠A | = | +0 |
| -12.5 | Round 4 | BLUE SKY THINKING BC | 19 | 6NT | ♣5 | = | +13 |
| -12.7 | Round 1 | ASHE | 13 | 3NTx | ♠7 | -4 | -15 |
| -12.7 | Round 7 | PARKER | 8 | 5♥x | ♣3 | = | -11 |