LAI Wai Kit · HK ZEN
vs par split: bidding -1.00 · play -0.07
Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted -0.22/bd
Card play — on target: opening leads 85.7% #75 of 310 · declarer play 61.5% #268 of 310 · defence 82.4% #189 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 83.3% (6) |
| Declarer play | 50.0% (4) | 66.7% (9) |
| Defence | 66.7% (3) | 85.7% (14) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT -0.56 (9) · a suit -1.22 (32)
vs par by level: part-score +0.56 (18) · game -2.15 (20) · slam -3.67 (3)
By role: declaring -0.24/bd (-3.00 vs par · 24) · defending -0.07/bd (+1.39 vs par · 18)
By vulnerability: vulnerable -0.62/bd (-2.05 vs par · 21) · not vulnerable +0.29/bd (-0.19 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Mak | V.Isporski – V.Kovachev | Closed | 7 | +7.8 | +1.11 | +1.00 |
| Round 2 | K.Mak | S.Bi – Y.Wei | Closed | 7 | -0.9 | -0.13 | -2.86 |
| Round 4 | K.Mak | J.Bian – Y.Lian | Closed | 7 | -5.9 | -0.84 | -2.43 |
| Round 5 | K.Mak | F.Zhou – L.Meng | Closed | 7 | -9.8 | -1.40 | -2.57 |
| Round 7 | K.Mak | L.Wang – Y.Gong | Open | 7 | -22.6 | -3.23 | -3.29 |
| Round 8 | K.Mak | R.Gupta – J.Sensarma | Open | 7 | +24.4 | +3.49 | +3.43 |
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 |
|---|---|---|---|---|---|---|---|
| +7.1 | Round 8 | AZURE | 23 | 3NT | ♠3 | -3 | +9 |
| +6.0 | Round 4 | CHINA HYX | 24 | 1NTx | ♣J | +1 | +5 |
| +5.9 | Round 8 | AZURE | 26 | 3NT | ♥6 | = | -1 |
| +5.1 | Round 2 | JILINDINGYUAN | 10 | 4♥ | ♠K | = | +3 |
| +5.1 | Round 8 | AZURE | 22 | 3♠ | ♥Q | -2 | +8 |
| +3.4 | Round 1 | BULGARIAN ALL STARS | 2 | 2♦ | ♠4 | +1 | +11 |
| +3.2 | Round 2 | JILINDINGYUAN | 14 | 2♠ | ♥2 | +1 | +1 |
| +3.1 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 7 | 6♥ | ♠A | = | +0 |
| +2.7 | Round 7 | KUNMING LIJIAN | 15 | 4♠ | ♥4 | -1 | +12 |
| +2.6 | Round 7 | KUNMING LIJIAN | 21 | 6♠ | ♦8 | = | +0 |
| +2.5 | Round 8 | AZURE | 27 | 4♠ | ♦3 | = | +0 |
| +2.4 | Round 1 | BULGARIAN ALL STARS | 1 | 3NT | ♥4 | = | -1 |
| +2.2 | Round 8 | AZURE | 24 | 3NT | ♥7 | -1 | +5 |
| +2.0 | Round 2 | JILINDINGYUAN | 12 | 3♦ | ♣2 | -2 | +0 |
| +1.9 | Round 1 | BULGARIAN ALL STARS | 7 | 4♥ | ♦6 | -1 | -1 |
| +1.7 | Round 1 | BULGARIAN ALL STARS | 3 | 3♠ | ♣K | -2 | -1 |
| +1.0 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 6 | 6NT | ♦Q | = | -11 |
| +0.9 | Round 8 | AZURE | 28 | 4♠ | ♣7 | = | +3 |
| +0.7 | Round 8 | AZURE | 25 | 3♥ | ♦7 | = | +0 |
| -0.0 | Round 1 | BULGARIAN ALL STARS | 5 | 3♠ | ♠4 | -1 | -1 |
| -0.0 | Round 4 | CHINA HYX | 28 | 3♠x | ♦K | -2 | +5 |
| -0.1 | Round 4 | CHINA HYX | 25 | 3NT | ♣Q | = | +0 |
| -0.1 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 1 | 4♥ | ♣A | = | -1 |
| -0.4 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 2 | 3♥ | ♦9 | -1 | +1 |
| -0.5 | Round 1 | BULGARIAN ALL STARS | 4 | 2♥ | ♦4 | +2 | +10 |
| -0.6 | Round 7 | KUNMING LIJIAN | 19 | 2♠ | ♥J | -1 | -2 |
| -0.7 | Round 7 | KUNMING LIJIAN | 17 | 5♥ | ♣A | -2 | -7 |
| -0.8 | Round 2 | JILINDINGYUAN | 11 | 1♣ | ♦4 | = | -1 |
| -0.9 | Round 4 | CHINA HYX | 27 | 4♠ | ♥6 | = | -11 |
| -0.9 | Round 7 | KUNMING LIJIAN | 20 | Pass | -3 | ||
| -1.1 | Round 1 | BULGARIAN ALL STARS | 6 | 1NT | ♠4 | +2 | -10 |
| -1.1 | Round 2 | JILINDINGYUAN | 8 | 2♦ | ♦2 | -1 | -2 |
| -1.3 | Round 4 | CHINA HYX | 26 | 2♥ | ♣Q | = | +0 |
| -2.1 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 4 | 4♠ | ♦K | -1 | -6 |
| -3.2 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 3 | 3NT | ♣5 | +1 | -1 |
| -4.1 | Round 2 | JILINDINGYUAN | 9 | 3♥x | ♠2 | -2 | -4 |
| -4.7 | Round 4 | CHINA HYX | 22 | 2♥ | ♦5 | +1 | -10 |
| -4.9 | Round 4 | CHINA HYX | 23 | 5♣ | ♥10 | -1 | -6 |
| -5.2 | Round 2 | JILINDINGYUAN | 13 | 4♠ | ♥5 | +2 | -17 |
| -8.1 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 5 | 4♠ | ♠2 | = | +0 |
| -10.9 | Round 7 | KUNMING LIJIAN | 16 | 4♥x | ♠Q | = | -12 |
| -14.8 | Round 7 | KUNMING LIJIAN | 18 | 4♠x | ♥7 | -8 | -11 |