🇨🇳 LIU Yanjiao · China
10rank
+5.0Butler · 48 bds
+0.10per board
±6.2swing
+0.11adjusted /bd
by round
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.11/bd
By role: declaring +1.14/bd (21) · defending -0.61/bd (26)
By vulnerability: not vulnerable +0.10/bd (48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Play-off | X.Chang | D.Berkowitz – A.Marriott | Open | 16 | -6.0 | -0.38 | · |
| Play-off | L.Peng | A.Tebha – A.Asarina | Closed | 16 | +11.0 | +0.69 | · |
| Play-off | L.Peng | A.Marriott – D.Berkowitz | Closed | 16 | +0.0 | +0.00 | · |
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 |
|---|---|---|---|---|---|---|---|
| +16.0 | Play-off | 🇺🇸 USA | 37 | 4♠ | ♠6 | +1 | · |
| +13.0 | Play-off | 🇺🇸 USA | 29 | 4N | ♠8 | +1 | · |
| +12.0 | Play-off | 🇺🇸 USA | 10 | 6♠ | ♥5 | -1 | · |
| +10.0 | Play-off | 🇺🇸 USA | 11 | 3N | ♦7 | -1 | · |
| +10.0 | Play-off | 🇺🇸 USA | 18 | 3N | ♠Q | +1 | · |
| +10.0 | Play-off | 🇺🇸 USA | 32 | 4♥ | ♥5 | = | · |
| +9.0 | Play-off | 🇺🇸 USA | 42 | 2N | ♣Q | -2 | · |
| +7.0 | Play-off | 🇺🇸 USA | 20 | 2♥ | ♣A | +1 | · |
| +7.0 | Play-off | 🇺🇸 USA | 21 | 1N | ♥J | +1 | · |
| +4.0 | Play-off | 🇺🇸 USA | 6 | 3♠ | ♣7 | -3 | · |
| +4.0 | Play-off | 🇺🇸 USA | 35 | 2♠ | ♣T | -1 | · |
| +1.0 | Play-off | 🇺🇸 USA | 1 | 3N | ♠K | +2 | · |
| +1.0 | Play-off | 🇺🇸 USA | 7 | 3♣ | ♥T | +1 | · |
| +1.0 | Play-off | 🇺🇸 USA | 34 | 3N | ♠A | +2 | · |
| +1.0 | Play-off | 🇺🇸 USA | 38 | 4♠ | ♥A | +1 | · |
| +1.0 | Play-off | 🇺🇸 USA | 39 | 3N | ♥6 | +1 | · |
| +1.0 | Play-off | 🇺🇸 USA | 40 | 2N | ♦5 | +1 | · |
| +0.0 | Play-off | 🇺🇸 USA | 2 | 3N | ♠9 | -2 | · |
| +0.0 | Play-off | 🇺🇸 USA | 4 | 3♦ | ♣4 | -2 | · |
| +0.0 | Play-off | 🇺🇸 USA | 9 | 5♣x | ♥K | = | · |
| +0.0 | Play-off | 🇺🇸 USA | 14 | 1N | ♠3 | +3 | · |
| +0.0 | Play-off | 🇺🇸 USA | 16 | 3N | ♥5 | = | · |
| -0.0 | Play-off | 🇺🇸 USA | 17 | 2♥ | ♥2 | +2 | · |
| -0.0 | Play-off | 🇺🇸 USA | 26 | 4♣ | ♦J | -1 | · |
| -0.0 | Play-off | 🇺🇸 USA | 27 | 4♠ | ♣K | -1 | · |
| -0.0 | Play-off | 🇺🇸 USA | 31 | 5♣ | ♠Q | -1 | · |
| -0.0 | Play-off | 🇺🇸 USA | 36 | 1N | ♥6 | +2 | · |
| -0.0 | Play-off | 🇺🇸 USA | 48 | 4♥ | ♠Q | -2 | · |
| -1.0 | Play-off | 🇺🇸 USA | 5 | 3N | ♦4 | +3 | · |
| -1.0 | Play-off | 🇺🇸 USA | 23 | 1N | ♣A | -1 | · |
| -1.0 | Play-off | 🇺🇸 USA | 41 | 3N | ♠7 | +2 | · |
| -1.0 | Play-off | 🇺🇸 USA | 46 | 1N | ♠5 | +1 | · |
| -2.0 | Play-off | 🇺🇸 USA | 24 | 1N | ♥3 | +2 | · |
| -2.0 | Play-off | 🇺🇸 USA | 33 | 3♥ | ♠J | +2 | · |
| -2.0 | Play-off | 🇺🇸 USA | 43 | 3N | ♦6 | +2 | · |
| -3.0 | Play-off | 🇺🇸 USA | 3 | Pass | · | ||
| -4.0 | Play-off | 🇺🇸 USA | 19 | 1N | ♠3 | = | · |
| -5.0 | Play-off | 🇺🇸 USA | 44 | 3♥ | ♦J | -2 | · |
| -6.0 | Play-off | 🇺🇸 USA | 13 | 2♣ | ♦6 | +2 | · |
| -6.0 | Play-off | 🇺🇸 USA | 15 | 2♥ | ♣A | +2 | · |
| -6.0 | Play-off | 🇺🇸 USA | 28 | 4♥ | ♦A | -1 | · |
| -6.0 | Play-off | 🇺🇸 USA | 30 | 2N | ♦T | +1 | · |
| -7.0 | Play-off | 🇺🇸 USA | 25 | 5♣ | ♥8 | -1 | · |
| -8.0 | Play-off | 🇺🇸 USA | 8 | 5♣x | ♠K | -2 | · |
| -10.0 | Play-off | 🇺🇸 USA | 12 | 1N | ♥4 | +2 | · |
| -10.0 | Play-off | 🇺🇸 USA | 22 | 3♣ | ♦6 | +2 | · |
| -10.0 | Play-off | 🇺🇸 USA | 47 | 4♦ | ♥A | -1 | · |
| -12.0 | Play-off | 🇺🇸 USA | 45 | 3N | ♦3 | = | · |