LIU Yi Qian · SAIC
vs par split: bidding +1.83 · play +1.11
Strength of schedule: opponents averaged -0.51/bd (an easy draw) → opponent-adjusted +0.52/bd
Card play — on target: opening leads 75.0% #254 of 398 · declarer play 100.0% #1 of 398 · defence 86.4% #169 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 77.8% (9) |
| Declarer play | 100.0% (3) | 100.0% (4) |
| Defence | 75.0% (4) | 88.9% (18) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 80.0% (5) · ♦ 50.0% (4) · ♣ 100.0% (2)
vs par by strain: NT -3.00 (7) · a suit +4.43 (28)
vs par by level: part-score +2.18 (11) · game +2.42 (19) · slam +6.60 (5)
By role: declaring +0.02/bd (-0.23 vs par · 13) · defending +1.62/bd (+4.82 vs par · 22)
By vulnerability: vulnerable +0.33/bd (+1.83 vs par · 18) · not vulnerable +1.76/bd (+4.12 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | W.Wang | Y.Chen – S.Chen | Open | 7 | -9.1 | -1.30 | -0.14 |
| Round 5 | W.Wang | J.Li – L.Shen | Open | 7 | -2.8 | -0.40 | +0.14 |
| Round 6 | W.Wang | J.Ding – B.Han | Closed | 7 | +34.4 | +4.91 | +6.86 |
| Round 7 | W.Wang | H.Eythorsdottir – E.Wold | Closed | 7 | +4.3 | +0.61 | +4.29 |
| Round 8 | W.Wang | J.Li – X.Chen | Closed | 7 | +9.1 | +1.30 | +3.57 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 12 | 6♥ | ♣2 | -1 | +17 |
| +12.0 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 10 | 5♥ | ♣3 | -1 | +13 |
| +8.9 | Round 7 | LYNCH | 16 | 4♥x | ♥6 | -3 | +8 |
| +6.0 | Round 4 | SHENZHEN NANGANG POWER | 27 | 3♦ | ♦A | -4 | +7 |
| +4.6 | Round 8 | GSRC & S UNITED | 27 | 6♣ | ♥K | -1 | +5 |
| +4.3 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 8 | 6♥ | ♣6 | -3 | +11 |
| +4.2 | Round 7 | LYNCH | 21 | 4♠ | ♥A | -1 | +6 |
| +3.4 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 11 | 5♠ | ♦3 | +2 | +10 |
| +3.0 | Round 7 | LYNCH | 18 | 5♠ | ♣A | +2 | +17 |
| +2.2 | Round 8 | GSRC & S UNITED | 24 | 3NT | ♥3 | +2 | +0 |
| +2.1 | Round 8 | GSRC & S UNITED | 25 | 5♠x | ♣6 | -2 | +0 |
| +2.0 | Round 4 | SHENZHEN NANGANG POWER | 26 | 3♣ | ♥6 | -1 | +11 |
| +1.9 | Round 4 | SHENZHEN NANGANG POWER | 24 | 4♥ | ♦J | = | -1 |
| +1.8 | Round 5 | SHENZHEN | 3 | 2♠ | ♥K | +1 | +7 |
| +1.5 | Round 5 | SHENZHEN | 1 | 5♦ | ♠A | = | -3 |
| +1.5 | Round 7 | LYNCH | 19 | 4♠ | ♥A | -1 | +4 |
| +1.3 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 9 | 4♥ | ♦9 | +2 | +1 |
| +1.2 | Round 8 | GSRC & S UNITED | 22 | 2NT | ♥6 | -1 | +4 |
| +0.9 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 13 | 1NT | ♦K | -2 | -9 |
| +0.8 | Round 8 | GSRC & S UNITED | 26 | 2♥ | ♣Q | = | +6 |
| +0.4 | Round 5 | SHENZHEN | 5 | 2♠ | ♦6 | +1 | +0 |
| +0.1 | Round 5 | SHENZHEN | 2 | 4♥ | ♠J | +1 | +0 |
| +0.1 | Round 8 | GSRC & S UNITED | 28 | 4♥ | ♣K | -2 | +1 |
| -0.1 | Round 4 | SHENZHEN NANGANG POWER | 25 | 3NT | ♠4 | = | +0 |
| -0.1 | Round 7 | LYNCH | 15 | 3♣ | ♠K | = | +0 |
| -0.6 | Round 6 | THE LOCOMOTIVE SPORTS ASSOCIAT | 14 | 4♠ | ♥3 | -2 | +5 |
| -1.5 | Round 5 | SHENZHEN | 6 | 4♠ | ♦A | = | +1 |
| -1.9 | Round 8 | GSRC & S UNITED | 23 | 3♣ | ♠9 | = | +9 |
| -2.5 | Round 5 | SHENZHEN | 4 | 3NT | ♥J | = | +2 |
| -2.6 | Round 5 | SHENZHEN | 7 | 3♥ | ♦A | = | -6 |
| -2.8 | Round 4 | SHENZHEN NANGANG POWER | 22 | 4NT | ♥10 | +1 | -13 |
| -2.8 | Round 7 | LYNCH | 20 | 3♠ | ♦J | -1 | -5 |
| -3.8 | Round 4 | SHENZHEN NANGANG POWER | 28 | 3NT | ♠5 | -1 | -5 |
| -10.4 | Round 7 | LYNCH | 17 | 6♦ | ♦2 | = | +0 |
| -12.3 | Round 4 | SHENZHEN NANGANG POWER | 23 | 6♠ | ♥7 | = | +0 |