LIU Yi Qian · PIN AN
95rank
+8.0Butler · 40 bds
+0.20per board
±5.0swing
+0.22adjusted /bd
by round
Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.22/bd
By role: declaring +0.05/bd (24) · defending +0.43/bd (16)
By vulnerability: not vulnerable +0.20/bd (40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | W.Wang | D.Molenaar – C.Puillet | Open | 10 | +10.6 | +1.06 | · |
| Round 4 | W.Wang | N.L'Ecuyer – J.Hayman Piafsky | Open | 10 | -16.3 | -1.63 | · |
| Round 5 | W.Wang | X.Wang – Y.Wang | Closed | 10 | -0.2 | -0.02 | · |
| Round 7 | W.Wang | B.Schaffer – L.Reich | Closed | 10 | +13.9 | +1.39 | · |
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 |
|---|---|---|---|---|---|---|---|
| +11.2 | Round 5 | BEIJING TRINERGY | 13 | 3N | ♠2 | = | · |
| +10.7 | Round 2 | FRANCE GIRLS | 20 | 3N | ♦7 | = | · |
| +10.1 | Round 2 | FRANCE GIRLS | 12 | 6N | ♣9 | -1 | · |
| +9.9 | Round 7 | FELDMAN | 4 | 4♥ | ♠6 | = | · |
| +8.2 | Round 5 | BEIJING TRINERGY | 11 | 3N | ♣2 | = | · |
| +4.9 | Round 7 | FELDMAN | 7 | 4♣ | ♠2 | +1 | · |
| +4.8 | Round 4 | IDA | 9 | 4♥ | ♠5 | = | · |
| +4.0 | Round 4 | IDA | 6 | 4♠x | ♦6 | -1 | · |
| +3.6 | Round 7 | FELDMAN | 6 | 3N | ♠4 | -1 | · |
| +1.9 | Round 7 | FELDMAN | 2 | 3N | ♦4 | = | · |
| +1.8 | Round 2 | FRANCE GIRLS | 15 | 3N | ♠5 | -2 | · |
| +1.4 | Round 7 | FELDMAN | 1 | 4♠ | ♦2 | -2 | · |
| +1.2 | Round 5 | BEIJING TRINERGY | 12 | 2N | ♦2 | -1 | · |
| +1.2 | Round 5 | BEIJING TRINERGY | 14 | 1N | ♦6 | +1 | · |
| +1.2 | Round 5 | BEIJING TRINERGY | 19 | 1♥ | ♣4 | +1 | · |
| +0.7 | Round 2 | FRANCE GIRLS | 14 | 1N | ♠5 | -1 | · |
| +0.7 | Round 5 | BEIJING TRINERGY | 18 | 4♥ | ♦6 | +3 | · |
| +0.6 | Round 2 | FRANCE GIRLS | 19 | 4♥ | ♣6 | +1 | · |
| +0.5 | Round 4 | IDA | 2 | 2♠ | ♥9 | = | · |
| +0.4 | Round 7 | FELDMAN | 3 | 3N | ♥3 | +1 | · |
| +0.3 | Round 4 | IDA | 10 | 4♠ | ♥4 | +1 | · |
| -0.1 | Round 5 | BEIJING TRINERGY | 17 | 3N | ♠2 | +2 | · |
| -0.9 | Round 7 | FELDMAN | 5 | 4♠ | ♦K | +1 | · |
| -1.1 | Round 2 | FRANCE GIRLS | 16 | 3♠ | ♦A | +2 | · |
| -1.3 | Round 2 | FRANCE GIRLS | 17 | 4♥ | ♦K | +1 | · |
| -1.3 | Round 7 | FELDMAN | 8 | 2N | ♣5 | +2 | · |
| -1.4 | Round 2 | FRANCE GIRLS | 13 | 1Nx | ♥4 | -1 | · |
| -2.1 | Round 7 | FELDMAN | 9 | 4♠ | ♣3 | +1 | · |
| -2.4 | Round 4 | IDA | 4 | 2♥ | ♥2 | +1 | · |
| -3.3 | Round 4 | IDA | 3 | 4♠ | ♦A | -2 | · |
| -3.4 | Round 5 | BEIJING TRINERGY | 15 | 2♣ | ♦A | -2 | · |
| -3.6 | Round 4 | IDA | 5 | 4♥ | ♣K | +1 | · |
| -3.9 | Round 7 | FELDMAN | 10 | 3N | ♥7 | -2 | · |
| -4.0 | Round 2 | FRANCE GIRLS | 11 | 2♠ | ♥J | -1 | · |
| -5.0 | Round 4 | IDA | 8 | 4♥ | ♣2 | = | · |
| -5.5 | Round 2 | FRANCE GIRLS | 18 | 3♣x | ♦2 | -2 | · |
| -5.7 | Round 4 | IDA | 7 | 1N | ♥7 | +3 | · |
| -5.9 | Round 4 | IDA | 1 | 6♥ | ♠A | = | · |
| -8.7 | Round 5 | BEIJING TRINERGY | 16 | 5♦ | ♠Q | -1 | · |
| -11.7 | Round 5 | BEIJING TRINERGY | 20 | 6♠ | ♦K | -1 | · |