LIU Yi Qian · SAIC
vs par split: bidding -0.07 · play +0.48
Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted +0.31/bd
Card play — on target: opening leads 86.7% #31 of 187 · declarer play 64.3% #139 of 187 · defence 95.5% #16 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 90.0% (10) |
| Declarer play | 66.7% (3) | 63.6% (11) |
| Defence | 100.0% (7) | 93.3% (15) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 66.7% (3) · ♦ 100.0% (5) · ♣ 66.7% (3)
vs par by strain: NT +0.50 (10) · a suit +0.38 (32)
vs par by level: part-score +1.33 (15) · game +0.31 (26) · slam -11.00 (1)
By role: declaring +1.26/bd (-1.10 vs par · 20) · defending -1.23/bd (+1.77 vs par · 22)
By vulnerability: vulnerable -0.43/bd (-0.05 vs par · 21) · not vulnerable +0.35/bd (+0.86 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | W.Wang | U.Semerci – Y.Atabey | Open | 7 | +5.6 | +0.80 | +4.14 |
| Round 4 | W.Wang | J.Upmark – K.Bertheau | Open | 7 | -0.6 | -0.09 | -1.57 |
| Round 5 | W.Wang | F.Multon – S.Willard | Closed | 7 | +14.2 | +2.03 | -0.86 |
| Round 6 | W.Wang | Z.Mahmood – M.Michielsen | Open | 7 | -11.5 | -1.64 | +0.57 |
| Round 7 | W.Wang | E.Ginossar – R.Barr | Open | 7 | +3.9 | +0.56 | +1.00 |
| Round 8 | W.Wang | R.Gunev – D.Popova | Open | 7 | -13.3 | -1.90 | -0.86 |
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 |
|---|---|---|---|---|---|---|---|
| +8.7 | Round 7 | BARR | 18 | 4♣ | ♣K | -3 | +11 |
| +8.1 | Round 5 | PZIM | 6 | 4♥ | ♦2 | = | +8 |
| +6.6 | Round 7 | BARR | 19 | 5♥x | ♣K | -3 | +9 |
| +4.9 | Round 6 | SALVO | 12 | 3NT | ♣2 | = | +0 |
| +4.5 | Round 3 | ATABEY | 17 | 4♥ | ♦2 | -2 | +6 |
| +4.5 | Round 5 | PZIM | 7 | 4♠ | ♦2 | +1 | -13 |
| +4.0 | Round 6 | SALVO | 14 | 4♠ | ♥K | -2 | +6 |
| +3.2 | Round 5 | PZIM | 1 | 4♠ | ♦2 | = | +0 |
| +2.9 | Round 3 | ATABEY | 18 | 3NT | ♣3 | -1 | +13 |
| +2.7 | Round 7 | BARR | 16 | 3♠ | ♥4 | +2 | +6 |
| +2.6 | Round 4 | PLATINUM CEM | 27 | 2♥ | ♣K | = | +0 |
| +2.5 | Round 3 | ATABEY | 20 | 2♦x | ♦3 | -2 | +4 |
| +2.5 | Round 6 | SALVO | 8 | 5♦ | ♥3 | -1 | +5 |
| +2.1 | Round 3 | ATABEY | 21 | 4♥ | ♦10 | +1 | +0 |
| +1.9 | Round 8 | HAUGE | 28 | 2♥ | ♣Q | +1 | +0 |
| +1.5 | Round 4 | PLATINUM CEM | 26 | 5♣ | ♥A | = | -5 |
| +1.1 | Round 4 | PLATINUM CEM | 25 | 3♦ | ♠A | = | -1 |
| +1.1 | Round 6 | SALVO | 10 | 4♠ | ♦6 | = | +0 |
| +0.7 | Round 8 | HAUGE | 23 | 3NT | ♠10 | +1 | -1 |
| +0.5 | Round 5 | PZIM | 4 | 4♥ | ♦2 | = | -1 |
| +0.4 | Round 5 | PZIM | 3 | 2♠ | ♦2 | +1 | +0 |
| -0.1 | Round 7 | BARR | 20 | 4♠ | ♥3 | = | -1 |
| -0.1 | Round 8 | HAUGE | 27 | 3NT | ♥2 | = | -1 |
| -0.4 | Round 3 | ATABEY | 19 | 3NT | ♣2 | = | +0 |
| -0.4 | Round 4 | PLATINUM CEM | 28 | 1NT | ♣A | = | +0 |
| -0.4 | Round 8 | HAUGE | 22 | 4♥ | ♥2 | = | +1 |
| -0.6 | Round 4 | PLATINUM CEM | 22 | 4♠ | ♦A | +1 | +0 |
| -1.1 | Round 5 | PZIM | 5 | 1♠ | ♦2 | = | +0 |
| -1.2 | Round 4 | PLATINUM CEM | 23 | 3NT | ♠10 | = | +0 |
| -1.4 | Round 5 | PZIM | 2 | 2NT | ♦2 | = | +0 |
| -2.0 | Round 7 | BARR | 21 | 4♥x | ♠3 | -1 | +0 |
| -2.3 | Round 7 | BARR | 15 | 2NT | ♥10 | = | -7 |
| -2.6 | Round 3 | ATABEY | 15 | 3♠ | ♦Q | = | +0 |
| -3.0 | Round 8 | HAUGE | 24 | 4♥ | ♦8 | = | +0 |
| -3.4 | Round 3 | ATABEY | 16 | 3♥ | ♠K | +1 | +6 |
| -3.6 | Round 4 | PLATINUM CEM | 24 | 3♣ | ♦9 | -2 | -5 |
| -3.8 | Round 6 | SALVO | 11 | 3NT | ♠3 | +1 | +1 |
| -4.8 | Round 8 | HAUGE | 25 | 4♥ | ♠2 | +1 | +0 |
| -7.6 | Round 8 | HAUGE | 26 | 4♠x | ♥8 | = | -5 |
| -9.7 | Round 7 | BARR | 17 | 6♠ | ♦K | -1 | -11 |
| -9.9 | Round 6 | SALVO | 13 | 4♥x | ♠6 | = | -14 |
| -10.3 | Round 6 | SALVO | 9 | 3♥ | ♦Q | +2 | +6 |