LAM Alfred · CUHK
35rank
-67.8Butler · 28 bds
-2.42per board
±5.2swing
-2.21vs par /bd
-1.94adjusted /bd
by round
vs par split: bidding -1.18 · play -1.04
Strength of schedule: opponents averaged +0.49/bd (a tough draw) → opponent-adjusted -1.94/bd
Card play — on target: opening leads 0.0% · declarer play 60.0% · defence 77.8%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 0.0% (1) |
| Declarer play | 33.3% (3) | 71.4% (7) |
| Defence | 100.0% (1) | 75.0% (8) |
Opening leads by suit led: ♥ 0.0% (1)
vs par by strain: NT -3.00 (6) · a suit -2.00 (22)
vs par by level: part-score -1.83 (6) · game -1.70 (20) · slam -8.50 (2)
By role: declaring -2.20/bd (-2.63 vs par · 19) · defending -2.89/bd (-1.33 vs par · 9)
By vulnerability: vulnerable -3.37/bd (-3.43 vs par · 14) · not vulnerable -1.47/bd (-1.00 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | T.Hung | N.Khutorsky – A.Zeitak | Closed | 14 | -80.2 | -5.73 | -4.29 |
| Quarterfinal | T.Hung | S.Van Oosten – J.Freeman | Open | 14 | +12.4 | +0.89 | -0.14 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Quarterfinal | BRIDGENOOBS | 22 | 3NT | ♣Q | = | +10 |
| +7.7 | Quarterfinal | BRIDGENOOBS | 15 | 2♠x | ♣2 | -2 | +8 |
| +6.1 | Quarterfinal | BRIDGENOOBS | 20 | 5♦x | ♦J | -1 | +8 |
| +3.6 | Quarterfinal | BRIDGENOOBS | 18 | 3NT | ♣5 | = | -1 |
| +2.7 | Quarterfinal | BRIDGENOOBS | 25 | 5♥x | ♠3 | -2 | -2 |
| +1.9 | Quarterfinal | BRIDGENOOBS | 21 | 2♦ | ♣4 | = | +5 |
| +1.6 | Quarterfinal | BRIDGENOOBS | 24 | 5♠x | ♥K | -1 | +8 |
| +0.4 | Quarterfinal | BRIDGENOOBS | 14 | 5♦ | ♥K | -1 | +2 |
| -0.1 | Quarterfinal | BRIDGENOOBS | 27 | 5♦x | ♥2 | -1 | -5 |
| -1.1 | Quarterfinal | BRIDGENOOBS | 23 | 3♠ | ♦A | -2 | -10 |
| -1.3 | Quarterfinal | BRIDGENOOBS | 28 | 4♠ | ♠2 | +1 | +0 |
| -1.9 | Quarterfinal | BRIDGENOOBS | 16 | 3NT | ♠J | +1 | +0 |
| -2.4 | Quarterfinal | BRIDGENOOBS | 19 | 4♠ | ♥10 | = | +0 |
| -2.6 | Quarterfinal | BRIDGENOOBS | 1 | 5♦ | ♠2 | -1 | -5 |
| -2.7 | Quarterfinal | BRIDGENOOBS | 17 | 3NT | ♠9 | +1 | -10 |
| -3.6 | Quarterfinal | BRIDGENOOBS | 11 | 4♠ | ♣3 | -2 | +0 |
| -4.3 | Quarterfinal | BRIDGENOOBS | 5 | 5♠x | ♣Q | -2 | -3 |
| -4.4 | Quarterfinal | BRIDGENOOBS | 3 | 2♠ | ♦2 | +2 | +1 |
| -4.7 | Quarterfinal | BRIDGENOOBS | 4 | 7♠ | ♦2 | = | +0 |
| -5.1 | Quarterfinal | BRIDGENOOBS | 10 | 5♣ | ♦6 | = | +0 |
| -5.9 | Quarterfinal | BRIDGENOOBS | 9 | 4♥ | ♠Q | -1 | -11 |
| -6.1 | Quarterfinal | BRIDGENOOBS | 6 | 5♦ | ♣K | -3 | +5 |
| -6.1 | Quarterfinal | BRIDGENOOBS | 12 | 3NT | ♣3 | -1 | -6 |
| -6.9 | Quarterfinal | BRIDGENOOBS | 7 | 2♦ | ♥2 | -3 | -5 |
| -9.1 | Quarterfinal | BRIDGENOOBS | 8 | 3NT | ♠2 | -2 | -11 |
| -10.6 | Quarterfinal | BRIDGENOOBS | 26 | 5♣ | ♦K | -2 | -13 |
| -10.7 | Quarterfinal | BRIDGENOOBS | 2 | 3♥ | ♣A | = | -10 |
| -11.1 | Quarterfinal | BRIDGENOOBS | 13 | 6♠ | ♦K | -2 | -17 |