LIU Yi Qian · CFSC
vs par split: bidding -0.21 · play +0.21
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.58/bd
Card play — on target: opening leads 100.0% #1 of 518 · declarer play 70.0% #352 of 517 · defence 85.7% #163 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 100.0% (16) |
| Declarer play | 66.7% (3) | 71.4% (7) |
| Defence | 100.0% (9) | 80.8% (26) |
Opening leads by suit led: ♠ 100.0% (8) · ♥ 100.0% (6) · ♦ 100.0% (3) · ♣ 100.0% (4)
vs par by strain: NT +2.20 (20) · a suit -0.88 (50)
vs par by level: part-score -0.70 (37) · game +0.79 (29) · slam +0.75 (4)
By role: declaring +0.14/bd (-2.00 vs par · 35) · defending +1.19/bd (+2.00 vs par · 35)
By vulnerability: vulnerable +0.60/bd (-1.86 vs par · 35) · not vulnerable +0.74/bd (+1.86 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Wang | P.Buchen – K.Buchen | Closed | 10 | +11.5 | +1.15 | -0.60 |
| Round 2 | W.Wang | M.Sheng – W.Tian | Open | 10 | +21.6 | +2.16 | +2.80 |
| Round 3 | W.Wang | L.Cuevas – M.Caracci | Open | 10 | +0.1 | +0.01 | +0.30 |
| Round 4 | W.Wang | S.Shi – K.Bathurst | Open | 10 | +8.8 | +0.88 | -1.10 |
| Round 6 | W.Wang | S.Gabay – V.King | Closed | 10 | +5.8 | +0.58 | -0.30 |
| Round 7 | W.Wang | J.Romanowski – M.Rossard | Closed | 10 | +11.1 | +1.11 | +2.70 |
| Round 10 | W.Wang | S.Punch – S.Peterkin | Open | 10 | -12.1 | -1.21 | -3.80 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 6 | MCCALLUM | 1 | 4♠x | ♦A | = | +12 |
| +11.8 | Round 7 | ROSSARD | 13 | 6♠ | ♦7 | -3 | +17 |
| +9.2 | Round 7 | ROSSARD | 18 | 4♠ | ♦4 | +2 | +13 |
| +8.5 | Round 2 | FEIXIANG | 12 | 3NT | ♠8 | -1 | +6 |
| +8.0 | Round 4 | MILLENS | 20 | 3NT | ♦2 | = | +10 |
| +6.4 | Round 2 | FEIXIANG | 15 | 3NT | ♠Q | -2 | +17 |
| +4.7 | Round 1 | FIFIROOS | 9 | 3NT | ♣7 | +1 | +10 |
| +3.9 | Round 10 | COPING WITH PUNCH | 26 | 2♣ | ♣2 | +3 | +1 |
| +3.5 | Round 2 | FEIXIANG | 17 | 6♣ | ♥4 | -2 | +9 |
| +3.4 | Round 10 | COPING WITH PUNCH | 29 | 3♦ | ♠2 | -2 | +2 |
| +3.3 | Round 3 | MAVILO | 7 | 1♠ | ♣Q | -1 | +0 |
| +3.1 | Round 4 | MILLENS | 14 | 2♥ | ♦A | = | +5 |
| +3.0 | Round 7 | ROSSARD | 12 | 4♣ | ♠2 | = | +9 |
| +2.8 | Round 1 | FIFIROOS | 1 | 2♥ | ♠3 | = | +5 |
| +2.8 | Round 7 | ROSSARD | 15 | 2♠ | ♥Q | = | +6 |
| +2.7 | Round 10 | COPING WITH PUNCH | 25 | 4♠ | ♦8 | +1 | +1 |
| +2.6 | Round 1 | FIFIROOS | 8 | 2♠x | ♥K | -2 | -3 |
| +2.3 | Round 3 | MAVILO | 9 | 3♥ | ♠5 | = | +0 |
| +2.2 | Round 4 | MILLENS | 17 | 3NT | ♣2 | +3 | +2 |
| +2.1 | Round 6 | MCCALLUM | 9 | 2♠ | ♥5 | -1 | -2 |
| +2.0 | Round 2 | FEIXIANG | 19 | 3♥x | ♦8 | -1 | +0 |
| +1.9 | Round 1 | FIFIROOS | 5 | 3♠ | ♥Q | = | +0 |
| +1.9 | Round 1 | FIFIROOS | 6 | 3NT | ♥2 | +1 | +0 |
| +1.9 | Round 6 | MCCALLUM | 3 | 4♥ | ♦10 | +2 | +11 |
| +1.8 | Round 3 | MAVILO | 8 | 3NT | ♥3 | -2 | +9 |
| +1.8 | Round 10 | COPING WITH PUNCH | 27 | 1NT | ♥8 | +3 | -6 |
| +1.6 | Round 4 | MILLENS | 16 | 2♦ | ♠8 | -1 | -11 |
| +1.5 | Round 6 | MCCALLUM | 4 | 3NT | ♣5 | = | -1 |
| +1.4 | Round 2 | FEIXIANG | 14 | 3NT | ♠7 | +3 | +14 |
| +1.3 | Round 3 | MAVILO | 2 | 3♠ | ♥4 | +2 | +9 |
| +1.2 | Round 3 | MAVILO | 10 | 2♣ | ♠8 | -1 | +1 |
| +1.0 | Round 1 | FIFIROOS | 10 | 3♦ | ♥6 | -1 | -1 |
| +0.9 | Round 3 | MAVILO | 3 | 3NT | ♥3 | +2 | +1 |
| +0.9 | Round 3 | MAVILO | 5 | 2♠ | ♣J | -2 | -6 |
| +0.8 | Round 6 | MCCALLUM | 6 | 4♠ | ♦3 | = | -1 |
| +0.8 | Round 10 | COPING WITH PUNCH | 24 | 2♥ | ♠5 | -1 | +5 |
| +0.7 | Round 1 | FIFIROOS | 3 | 5♣x | ♠A | -3 | -12 |
| +0.6 | Round 4 | MILLENS | 15 | 1NT | ♥4 | +1 | +0 |
| +0.6 | Round 6 | MCCALLUM | 8 | 2♠ | ♥2 | +1 | +6 |
| +0.4 | Round 2 | FEIXIANG | 20 | 4♥ | ♠J | +1 | +0 |
| +0.3 | Round 2 | FEIXIANG | 13 | 4♠ | ♦2 | +2 | -13 |
| +0.3 | Round 6 | MCCALLUM | 2 | 3NT | ♥Q | = | +0 |
| +0.1 | Round 2 | FEIXIANG | 11 | 3♠ | ♥9 | = | -4 |
| -0.0 | Round 4 | MILLENS | 12 | 2♠ | ♥K | +1 | +0 |
| -0.1 | Round 4 | MILLENS | 18 | 4♣ | ♠K | -2 | +1 |
| -0.2 | Round 10 | COPING WITH PUNCH | 30 | 3♥ | ♠J | +1 | -6 |
| -0.3 | Round 1 | FIFIROOS | 4 | 4♠ | ♣5 | +1 | +0 |
| -0.3 | Round 2 | FEIXIANG | 18 | 2♦ | ♠2 | -1 | -1 |
| -0.4 | Round 7 | ROSSARD | 20 | 1NT | ♦7 | +2 | -10 |
| -0.5 | Round 4 | MILLENS | 19 | 3♥ | ♦Q | +1 | -8 |
| -0.6 | Round 4 | MILLENS | 11 | 1NT | ♠3 | +1 | +0 |
| -0.7 | Round 2 | FEIXIANG | 16 | 3NT | ♥2 | +1 | +0 |
| -0.7 | Round 3 | MAVILO | 6 | 4♥ | ♣8 | +1 | +0 |
| -0.7 | Round 7 | ROSSARD | 11 | 1♠ | ♠2 | -1 | -2 |
| -1.0 | Round 1 | FIFIROOS | 2 | 3NT | ♦6 | +1 | +0 |
| -1.1 | Round 7 | ROSSARD | 16 | 3NT | ♦Q | +2 | +0 |
| -1.2 | Round 10 | COPING WITH PUNCH | 22 | 2♥ | ♣J | +1 | +0 |
| -1.6 | Round 7 | ROSSARD | 17 | 2♠ | ♥7 | +1 | +7 |
| -1.7 | Round 10 | COPING WITH PUNCH | 23 | 4♥ | ♠2 | -1 | -12 |
| -2.1 | Round 3 | MAVILO | 1 | 1NT | ♣4 | +3 | +2 |
| -2.8 | Round 1 | FIFIROOS | 7 | 3♣ | ♦9 | -1 | -5 |
| -3.2 | Round 6 | MCCALLUM | 7 | 3♣ | ♦2 | +2 | -11 |
| -4.1 | Round 6 | MCCALLUM | 10 | 2♥ | ♠K | = | -6 |
| -4.5 | Round 7 | ROSSARD | 19 | 3♣x | ♦K | -1 | -3 |
| -5.5 | Round 4 | MILLENS | 13 | 3NT | ♦6 | = | -10 |
| -6.0 | Round 6 | MCCALLUM | 5 | 4♠ | ♣K | +2 | -11 |
| -7.4 | Round 7 | ROSSARD | 14 | 6♣ | ♥K | -1 | -10 |
| -8.8 | Round 3 | MAVILO | 4 | 6♦ | ♥10 | -2 | -13 |
| -9.4 | Round 10 | COPING WITH PUNCH | 28 | 4♥ | ♥4 | = | -11 |
| -12.2 | Round 10 | COPING WITH PUNCH | 21 | 4♠x | ♦K | -4 | -12 |