🇨🇳 LIU Yanjiao · China
10rank
+18.0Butler · 72 bds
+0.25per board
±5.1swing
+0.11adjusted /bd
by round
Strength of schedule: opponents averaged -0.14/bd (an easy draw) → opponent-adjusted +0.11/bd
By role: declaring +0.57/bd (38) · defending -0.10/bd (34)
By vulnerability: not vulnerable +0.25/bd (72)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Peng | A.Tebha – A.Asarina | Open | 24 | +14.3 | +0.60 | · |
| Round 2 | L.Peng | M.Canonne – J.Carbonneaux | Closed | 24 | +28.9 | +1.20 | · |
| Round 3 | L.Peng | E.Grabowska – N.Sakowska | Open | 24 | -25.2 | -1.05 | · |
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 |
|---|---|---|---|---|---|---|---|
| +10.3 | Round 2 | 🇫🇷 France | 19 | 3N | ♠6 | = | · |
| +10.0 | Round 2 | 🇫🇷 France | 13 | 5♦ | ♠K | = | · |
| +9.7 | Round 2 | 🇫🇷 France | 21 (2) | 4♥x | ♠5 | -2 | · |
| +9.3 | Round 1 | 🇺🇸 USA | 26 | 3N | ♠4 | +3 | · |
| +8.0 | Round 1 | 🇺🇸 USA | 13 | 2N | ♣5 | -4 | · |
| +7.7 | Round 2 | 🇫🇷 France | 12 | 3♥ | ♣A | +2 | · |
| +7.3 | Round 3 | 🇵🇱 Poland | 12 (2) | 4♥ | ♦J | = | · |
| +6.7 | Round 2 | 🇫🇷 France | 22 | 4♠ | ♥4 | -1 | · |
| +6.7 | Round 3 | 🇵🇱 Poland | 22 | 4♠ | ♥K | = | · |
| +6.3 | Round 1 | 🇺🇸 USA | 29 | 3♦ | ♣K | -1 | · |
| +6.0 | Round 2 | 🇫🇷 France | 24 | 4♥ | ♣J | -1 | · |
| +5.7 | Round 3 | 🇵🇱 Poland | 18 | 3♠ | ♣8 | -1 | · |
| +5.3 | Round 1 | 🇺🇸 USA | 21 (2) | 4♠x | ♦3 | -1 | · |
| +5.3 | Round 2 | 🇫🇷 France | 26 | 3N | ♣2 | +1 | · |
| +4.3 | Round 2 | 🇫🇷 France | 29 | 6♦ | ♥6 | = | · |
| +4.0 | Round 1 | 🇺🇸 USA | 19 | 1N | ♠7 | -2 | · |
| +4.0 | Round 1 | 🇺🇸 USA | 30 | 3♠ | ♦K | +3 | · |
| +4.0 | Round 2 | 🇫🇷 France | 11 | 6N | ♦2 | = | · |
| +4.0 | Round 2 | 🇫🇷 France | 32 | 3♥ | ♣7 | -1 | · |
| +3.7 | Round 1 | 🇺🇸 USA | 22 | 4♠ | ♥9 | +2 | · |
| +3.7 | Round 2 | 🇫🇷 France | 30 | 2♠ | ♣A | +1 | · |
| +3.0 | Round 1 | 🇺🇸 USA | 16 | 2N | ♠3 | = | · |
| +3.0 | Round 1 | 🇺🇸 USA | 22 (2) | 4♠ | ♠6 | -2 | · |
| +3.0 | Round 1 | 🇺🇸 USA | 27 | 2♠ | ♥5 | +2 | · |
| +2.7 | Round 1 | 🇺🇸 USA | 11 | 4♥ | ♠5 | = | · |
| +2.3 | Round 3 | 🇵🇱 Poland | 20 | 1N | ♥9 | +1 | · |
| +2.0 | Round 3 | 🇵🇱 Poland | 15 | 4♥ | ♦J | +1 | · |
| +1.3 | Round 3 | 🇵🇱 Poland | 5 | 5♣ | ♣8 | -2 | · |
| +1.0 | Round 3 | 🇵🇱 Poland | 11 (2) | 3♠ | ♣K | +1 | · |
| +0.7 | Round 1 | 🇺🇸 USA | 15 | 3N | ♥3 | +2 | · |
| +0.7 | Round 1 | 🇺🇸 USA | 24 | 3N | ♥2 | = | · |
| +0.3 | Round 1 | 🇺🇸 USA | 12 | 1♠ | ♦Q | = | · |
| +0.3 | Round 1 | 🇺🇸 USA | 17 | 4♥ | ♠K | +1 | · |
| +0.3 | Round 2 | 🇫🇷 France | 27 | 3♦ | ♦A | = | · |
| -0.0 | Round 1 | 🇺🇸 USA | 18 | 4♠ | ♦7 | -1 | · |
| -0.0 | Round 2 | 🇫🇷 France | 15 | 4♥ | ♠7 | +1 | · |
| -0.0 | Round 2 | 🇫🇷 France | 25 | 4♥ | ♠9 | -2 | · |
| -0.0 | Round 3 | 🇵🇱 Poland | 4 | 3N | ♠T | +2 | · |
| -0.3 | Round 3 | 🇵🇱 Poland | 1 | 2N | ♠7 | = | · |
| -0.3 | Round 3 | 🇵🇱 Poland | 6 | 3N | ♠8 | +3 | · |
| -0.3 | Round 3 | 🇵🇱 Poland | 19 | 4♠ | ♦2 | +1 | · |
| -0.7 | Round 2 | 🇫🇷 France | 22 (2) | 1♠ | ♦9 | +2 | · |
| -0.7 | Round 3 | 🇵🇱 Poland | 7 | 3♣ | ♥5 | = | · |
| -0.7 | Round 3 | 🇵🇱 Poland | 21 | 4♥ | ♠3 | +2 | · |
| -1.0 | Round 2 | 🇫🇷 France | 28 | 3♠ | ♣7 | = | · |
| -1.3 | Round 2 | 🇫🇷 France | 16 | 3♦ | ♥6 | +1 | · |
| -1.3 | Round 3 | 🇵🇱 Poland | 2 | 3N | ♦3 | -2 | · |
| -1.3 | Round 3 | 🇵🇱 Poland | 16 | 4♠ | ♦8 | +1 | · |
| -1.7 | Round 3 | 🇵🇱 Poland | 14 | 4♥ | ♠K | = | · |
| -2.0 | Round 1 | 🇺🇸 USA | 20 | 4♥ | ♦2 | -1 | · |
| -2.0 | Round 1 | 🇺🇸 USA | 25 | 4♠ | ♥Q | = | · |
| -2.0 | Round 1 | 🇺🇸 USA | 28 | 4♥ | ♦T | -1 | · |
| -2.0 | Round 2 | 🇫🇷 France | 18 | 3N | ♥2 | -1 | · |
| -2.0 | Round 3 | 🇵🇱 Poland | 9 | 3♦ | ♥A | +1 | · |
| -2.3 | Round 3 | 🇵🇱 Poland | 11 | 4♠ | ♥7 | -1 | · |
| -2.3 | Round 3 | 🇵🇱 Poland | 17 | 3♠ | ♦K | +1 | · |
| -3.0 | Round 2 | 🇫🇷 France | 14 | 3♥ | ♣2 | = | · |
| -3.7 | Round 1 | 🇺🇸 USA | 14 | 2♣ | ♥A | = | · |
| -4.0 | Round 2 | 🇫🇷 France | 21 | 3♠ | ♥6 | = | · |
| -4.0 | Round 3 | 🇵🇱 Poland | 8 | 2♠ | ♥K | +2 | · |
| -4.3 | Round 1 | 🇺🇸 USA | 32 | 4♠ | ♦3 | +2 | · |
| -4.7 | Round 2 | 🇫🇷 France | 17 | 6♥ | ♣6 | -1 | · |
| -5.3 | Round 3 | 🇵🇱 Poland | 13 | 3N | ♣3 | -1 | · |
| -7.0 | Round 2 | 🇫🇷 France | 31 | 2♣ | ♠2 | +2 | · |
| -7.3 | Round 1 | 🇺🇸 USA | 31 | 4♠ | ♣J | -2 | · |
| -8.0 | Round 3 | 🇵🇱 Poland | 3 | 3N | ♦Q | -1 | · |
| -8.7 | Round 1 | 🇺🇸 USA | 23 | 6♥ | ♥5 | = | · |
| -8.7 | Round 2 | 🇫🇷 France | 20 | 3♦ | ♥K | -1 | · |
| -9.7 | Round 3 | 🇵🇱 Poland | 12 | 4♠ | ♥K | +1 | · |
| -10.0 | Round 1 | 🇺🇸 USA | 21 | 5♣ | ♠2 | -1 | · |
| -10.7 | Round 2 | 🇫🇷 France | 23 | 4♥ | ♥J | = | · |
| -11.3 | Round 3 | 🇵🇱 Poland | 10 | 3N | ♥7 | +1 | · |