LIU Yu · CHONGQINGBANNAN
vs par split: bidding +1.60 · play +0.29
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.64/bd
Card play — on target: opening leads 66.7% #468 of 579 · declarer play 80.0% #182 of 579 · defence 86.4% #301 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (6) | 100.0% (6) |
| Declarer play | 66.7% (3) | 85.7% (7) |
| Defence | 87.5% (8) | 85.7% (14) |
Opening leads by suit led: ♠ 57.1% (7) · ♥ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: NT +1.92 (12) · a suit +1.87 (30)
vs par by level: part-score +2.22 (18) · game +2.35 (20) · slam -2.00 (4)
By role: declaring +0.86/bd (-0.60 vs par · 20) · defending +0.29/bd (+4.14 vs par · 22)
By vulnerability: vulnerable +0.67/bd (+2.00 vs par · 21) · not vulnerable +0.46/bd (+1.76 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Liu | P.Balakrishnan – R.Tewari | Open | 7 | +5.5 | +0.79 | +2.71 |
| Round 2 | Y.Liu | S.Gillis – O.Svendsen | Open | 7 | +6.1 | +0.87 | -1.14 |
| Round 3 | X.Wu | W.Yue – D.Sun | Closed | 7 | -3.8 | -0.54 | +1.29 |
| Round 5 | Y.Liu | N.Aydogdu – V.Yildiz | Closed | 7 | +2.7 | +0.39 | +0.14 |
| Round 6 | Y.Liu | D.Huang – Z.Wu | Closed | 7 | +10.0 | +1.43 | +4.14 |
| Round 8 | Y.Liu | R.Welland – S.Auken | Open | 7 | +3.2 | +0.46 | +4.14 |
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 |
|---|---|---|---|---|---|---|---|
| +8.7 | Round 8 | VENTIN | 24 | 5♥ | ♠A | -1 | +11 |
| +8.0 | Round 3 | HEILONGJIANG TEAM | 20 | 3♦ | ♥8 | +1 | +15 |
| +7.9 | Round 6 | GUANGZHOU PEARL RIVE | 9 | 3♦ | ♣A | +3 | +15 |
| +6.2 | Round 1 | FORMIDABLES | 6 | 3NT | ♦Q | = | +11 |
| +5.5 | Round 5 | TURKEY | 4 | 3NT | ♣5 | = | -1 |
| +5.0 | Round 3 | HEILONGJIANG TEAM | 16 | 6♦ | ♥6 | = | -2 |
| +4.9 | Round 6 | GUANGZHOU PEARL RIVE | 13 | 2♦ | ♦4 | = | +6 |
| +4.5 | Round 2 | GILLIS | 12 | 3♣ | ♠3 | +1 | +7 |
| +4.3 | Round 5 | TURKEY | 2 | 4♥ | ♠3 | -1 | +5 |
| +4.3 | Round 6 | GUANGZHOU PEARL RIVE | 8 | 2♠ | ♣A | -2 | +8 |
| +4.0 | Round 8 | VENTIN | 22 | 6♦ | ♣10 | -1 | +12 |
| +3.5 | Round 8 | VENTIN | 28 | 4♥ | ♣K | -2 | +11 |
| +3.3 | Round 6 | GUANGZHOU PEARL RIVE | 10 | 4♠ | ♦K | -1 | +6 |
| +3.1 | Round 2 | GILLIS | 9 | 5♣ | ♦A | = | +0 |
| +2.4 | Round 1 | FORMIDABLES | 4 | 2♠ | ♠3 | = | +6 |
| +2.0 | Round 2 | GILLIS | 13 | 4♥ | ♥5 | +2 | +1 |
| +1.7 | Round 3 | HEILONGJIANG TEAM | 18 | 2♥ | ♣A | +1 | +1 |
| +1.5 | Round 2 | GILLIS | 8 | 3♠ | ♥K | -1 | -2 |
| +1.0 | Round 5 | TURKEY | 7 | 4♠ | ♥6 | = | +0 |
| +0.8 | Round 1 | FORMIDABLES | 3 | 3♠ | ♣9 | -2 | +2 |
| +0.7 | Round 1 | FORMIDABLES | 5 | 3♠ | ♠4 | +1 | +1 |
| +0.4 | Round 5 | TURKEY | 5 | 3♥ | ♣K | = | +0 |
| +0.4 | Round 8 | VENTIN | 23 | 2NT | ♥9 | = | +0 |
| +0.3 | Round 2 | GILLIS | 11 | 3NT | ♥J | +2 | -10 |
| +0.2 | Round 3 | HEILONGJIANG TEAM | 15 | 3♥ | ♠4 | -1 | -2 |
| +0.1 | Round 1 | FORMIDABLES | 2 | 3NT | ♥5 | -1 | +5 |
| -0.2 | Round 5 | TURKEY | 3 | 2♥ | ♠6 | -1 | -5 |
| -0.3 | Round 6 | GUANGZHOU PEARL RIVE | 11 | 3♠ | ♣6 | -1 | -2 |
| -1.7 | Round 1 | FORMIDABLES | 1 | 3♦ | ♠A | -3 | -6 |
| -1.8 | Round 2 | GILLIS | 14 | 2♠ | ♥A | -1 | -4 |
| -1.8 | Round 5 | TURKEY | 1 | 3NT | ♥7 | = | +0 |
| -2.0 | Round 3 | HEILONGJIANG TEAM | 19 | 3NT | ♦7 | +1 | +17 |
| -2.0 | Round 8 | VENTIN | 26 | 3NT | ♠2 | = | +0 |
| -2.4 | Round 3 | HEILONGJIANG TEAM | 17 | 1NT | ♠K | +2 | +0 |
| -3.0 | Round 1 | FORMIDABLES | 7 | 3NT | ♥J | +1 | +0 |
| -3.5 | Round 2 | GILLIS | 10 | 3NT | ♣7 | +1 | +0 |
| -4.0 | Round 6 | GUANGZHOU PEARL RIVE | 14 | 5♠x | ♦K | -1 | -5 |
| -4.3 | Round 8 | VENTIN | 25 | 5♦ | ♠A | = | +0 |
| -6.1 | Round 6 | GUANGZHOU PEARL RIVE | 12 | 3NT | ♠2 | = | +1 |
| -6.5 | Round 5 | TURKEY | 6 | 7♣ | ♥J | = | +2 |
| -7.1 | Round 8 | VENTIN | 27 | 4♠x | ♥A | -2 | -5 |
| -14.3 | Round 3 | HEILONGJIANG TEAM | 21 | 6♠ | ♦K | -1 | -20 |