🇨🇳 LU Kai · China
65rank
-23.0Butler · 79 bds
-0.29per board
±4.2swing
-0.39adjusted /bd
by round
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted -0.39/bd
By role: declaring -0.80/bd (38) · defending +0.18/bd (41)
By vulnerability: not vulnerable -0.29/bd (79)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Shen | T.Grude – K.Hegge | Closed | 10 | -4.4 | -0.44 | · |
| Round 3 | J.Shen | M.Rusch – D.Marosevic | Closed | 9 | -4.9 | -0.54 | · |
| Round 6 | J.Shen | V.Nab – E.Wackwitz | Open | 10 | -14.5 | -1.45 | · |
| Round 7 | J.Shen | S.Ochoa – D.Garcia Da Rosa | Closed | 10 | +13.0 | +1.30 | · |
| Round 8 | J.Shen | P.Jassem – P.Tuczynski | Open | 10 | -11.3 | -1.13 | · |
| Round 11 | J.Shen | K.Ormay – B.Fischer | Open | 10 | -10.0 | -1.00 | · |
| Round 12 | X.Huang | F.Charignon – G.Lafont | Closed | 10 | +3.4 | +0.34 | · |
| Round 15 | J.Shen | A.Hudson – J.Marriott | Closed | 10 | +5.7 | +0.57 | · |
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 |
|---|---|---|---|---|---|---|---|
| +7.8 | Round 7 | 🇺🇾 Uruguay | 20 | 4♥ | ♦2 | = | · |
| +6.1 | Round 15 | 🇺🇸 USA 1 | 11 | 5♠ | ♦K | = | · |
| +5.9 | Round 12 | 🇫🇷 France | 5 | 5♥ | ♣A | -1 | · |
| +5.7 | Round 3 | 🇩🇪 Germany | 26 | 5♥ | ♦A | -2 | · |
| +5.4 | Round 1 | 🇳🇴 Norway | 8 | 4♠ | ♦A | = | · |
| +5.3 | Round 7 | 🇺🇾 Uruguay | 16 | 3N | ♠3 | -3 | · |
| +5.0 | Round 11 | 🇭🇺 Hungary | 22 | 4♠ | ♥8 | -1 | · |
| +5.0 | Round 15 | 🇺🇸 USA 1 | 16 | 2♥ | ♠4 | -2 | · |
| +4.9 | Round 8 | 🇵🇱 Poland | 30 | 3♠ | ♦A | +3 | · |
| +4.6 | Round 8 | 🇵🇱 Poland | 25 | 4♠ | ♥A | -1 | · |
| +4.5 | Round 12 | 🇫🇷 France | 7 | 3♣ | ♦J | +1 | · |
| +4.5 | Round 15 | 🇺🇸 USA 1 | 15 | 4♥ | ♣4 | -1 | · |
| +4.2 | Round 11 | 🇭🇺 Hungary | 24 | 3N | ♦9 | -2 | · |
| +3.5 | Round 12 | 🇫🇷 France | 9 | 2N | ♠8 | -2 | · |
| +3.2 | Round 3 | 🇩🇪 Germany | 29 | 5♥x | ♦T | -1 | · |
| +3.1 | Round 7 | 🇺🇾 Uruguay | 11 | 4♥ | ♠5 | = | · |
| +2.9 | Round 7 | 🇺🇾 Uruguay | 14 | 1N | ♦3 | +1 | · |
| +2.8 | Round 12 | 🇫🇷 France | 8 | 4♠ | ♥A | -1 | · |
| +2.5 | Round 6 | 🇳🇱 Netherlands | 8 | 6♥ | ♣3 | = | · |
| +2.5 | Round 11 | 🇭🇺 Hungary | 23 | 5♣x | ♥K | -1 | · |
| +2.4 | Round 15 | 🇺🇸 USA 1 | 19 | 4♥ | ♠Q | = | · |
| +2.3 | Round 8 | 🇵🇱 Poland | 29 | 3Nx | ♠A | -1 | · |
| +2.2 | Round 6 | 🇳🇱 Netherlands | 2 | 5♦ | ♦4 | = | · |
| +2.2 | Round 7 | 🇺🇾 Uruguay | 12 | 2♠ | ♦Q | = | · |
| +2.0 | Round 3 | 🇩🇪 Germany | 25 | 2♠ | ♦7 | -1 | · |
| +1.9 | Round 1 | 🇳🇴 Norway | 4 | 2♠ | ♣K | = | · |
| +1.8 | Round 1 | 🇳🇴 Norway | 5 | 1N | ♦8 | -2 | · |
| +1.6 | Round 8 | 🇵🇱 Poland | 22 | 4♠ | ♥A | +2 | · |
| +1.5 | Round 1 | 🇳🇴 Norway | 6 | 3♦ | ♥3 | = | · |
| +1.3 | Round 3 | 🇩🇪 Germany | 27 | 2♠ | ♣4 | = | · |
| +1.3 | Round 7 | 🇺🇾 Uruguay | 17 | 4♥ | ♥T | +2 | · |
| +1.2 | Round 7 | 🇺🇾 Uruguay | 15 | 4♠ | ♥Q | +1 | · |
| +1.1 | Round 6 | 🇳🇱 Netherlands | 10 | 2♥ | ♦2 | +1 | · |
| +1.1 | Round 15 | 🇺🇸 USA 1 | 18 | 2♣ | ♣J | +2 | · |
| +0.9 | Round 11 | 🇭🇺 Hungary | 27 | 3♠ | ♦3 | -2 | · |
| +0.7 | Round 15 | 🇺🇸 USA 1 | 13 | 6♥ | ♥2 | = | · |
| +0.6 | Round 11 | 🇭🇺 Hungary | 28 | 2♠ | ♠6 | = | · |
| +0.6 | Round 12 | 🇫🇷 France | 2 | 3N | ♦3 | -1 | · |
| +0.5 | Round 8 | 🇵🇱 Poland | 28 | 4♥ | ♠J | -1 | · |
| +0.2 | Round 1 | 🇳🇴 Norway | 10 | 1N | ♥9 | -1 | · |
| +0.1 | Round 11 | 🇭🇺 Hungary | 25 | 3N | ♠9 | -1 | · |
| -0.0 | Round 1 | 🇳🇴 Norway | 3 | 4♠ | ♣Q | +1 | · |
| -0.0 | Round 1 | 🇳🇴 Norway | 7 | 1N | ♥2 | = | · |
| -0.3 | Round 1 | 🇳🇴 Norway | 2 | 3N | ♥4 | = | · |
| -0.3 | Round 6 | 🇳🇱 Netherlands | 5 | 5♠x | ♦x | -1 | · |
| -0.6 | Round 6 | 🇳🇱 Netherlands | 3 | 4♠ | ♥J | +1 | · |
| -0.7 | Round 6 | 🇳🇱 Netherlands | 7 | 3N | ♠3 | = | · |
| -0.7 | Round 12 | 🇫🇷 France | 6 | 3N | ♥7 | +3 | · |
| -0.7 | Round 15 | 🇺🇸 USA 1 | 14 | 4♠ | ♥3 | +1 | · |
| -0.8 | Round 12 | 🇫🇷 France | 1 | 2N | ♠7 | = | · |
| -1.1 | Round 8 | 🇵🇱 Poland | 27 | 3♥ | ♦Q | -1 | · |
| -1.4 | Round 7 | 🇺🇾 Uruguay | 19 | 2♥ | ♦A | = | · |
| -1.4 | Round 8 | 🇵🇱 Poland | 24 | 3N | ♦J | = | · |
| -1.6 | Round 12 | 🇫🇷 France | 4 | 4♠ | ♦A | = | · |
| -1.7 | Round 3 | 🇩🇪 Germany | 30 | 4♥ | ♦K | -1 | · |
| -1.7 | Round 6 | 🇳🇱 Netherlands | 6 | 1N | ♣6 | -2 | · |
| -1.9 | Round 15 | 🇺🇸 USA 1 | 17 | 3N | ♥T | +1 | · |
| -2.2 | Round 3 | 🇩🇪 Germany | 22 | 3N | ♠9 | +2 | · |
| -2.3 | Round 11 | 🇭🇺 Hungary | 29 | 3N | ♥9 | +3 | · |
| -2.5 | Round 12 | 🇫🇷 France | 10 | 1N | ♠A | +2 | · |
| -2.7 | Round 6 | 🇳🇱 Netherlands | 1 | 2♦ | ♥7 | = | · |
| -3.2 | Round 11 | 🇭🇺 Hungary | 21 | 3♦ | ♠A | = | · |
| -3.5 | Round 3 | 🇩🇪 Germany | 28 | 4♠ | ♥T | +1 | · |
| -3.9 | Round 7 | 🇺🇾 Uruguay | 18 | 4♠ | ♦A | -1 | · |
| -3.9 | Round 8 | 🇵🇱 Poland | 26 | 6♣ | ♠7 | -1 | · |
| -4.2 | Round 3 | 🇩🇪 Germany | 23 | 2N | ♦6 | = | · |
| -4.5 | Round 11 | 🇭🇺 Hungary | 30 | 1N | ♣5 | -1 | · |
| -5.4 | Round 6 | 🇳🇱 Netherlands | 9 | 3♥ | ♥Q | -2 | · |
| -5.5 | Round 3 | 🇩🇪 Germany | 24 | 3N | ♣Q | -2 | · |
| -5.5 | Round 7 | 🇺🇾 Uruguay | 13 | 2N | ♠9 | +1 | · |
| -5.7 | Round 15 | 🇺🇸 USA 1 | 20 | 6♣ | ♦K | -1 | · |
| -5.8 | Round 15 | 🇺🇸 USA 1 | 12 | 4♥ | ♥3 | -1 | · |
| -6.7 | Round 1 | 🇳🇴 Norway | 1 | 2♣ | ♦5 | -3 | · |
| -6.9 | Round 8 | 🇵🇱 Poland | 23 | 6N | ♣Q | = | · |
| -8.2 | Round 1 | 🇳🇴 Norway | 9 | 4♠ | ♦7 | -1 | · |
| -8.3 | Round 12 | 🇫🇷 France | 3 | 3N | ♦Q | -1 | · |
| -8.9 | Round 6 | 🇳🇱 Netherlands | 4 | 2♠ | ♣A | -3 | · |
| -11.9 | Round 8 | 🇵🇱 Poland | 21 | 6♦ | ♣K | = | · |
| -13.3 | Round 11 | 🇭🇺 Hungary | 26 | 5♦x | ♠6 | -2 | · |