MAK Kwok-Fai · HK ZEN
vs par split: bidding -0.74 · play -0.17
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.03/bd
Card play — on target: opening leads 60.0% #513 of 579 · declarer play 60.0% #476 of 579 · defence 80.0% #467 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 57.1% (7) |
| Declarer play | 25.0% (4) | 83.3% (6) |
| Defence | 77.8% (9) | 81.8% (11) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 33.3% (3) · ♦ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -1.94 (17) · a suit -0.20 (25)
vs par by level: part-score -1.38 (16) · game -0.67 (21) · slam -0.40 (5)
By role: declaring +0.21/bd (-3.18 vs par · 22) · defending -0.26/bd (+1.60 vs par · 20)
By vulnerability: vulnerable +0.94/bd (-0.81 vs par · 21) · not vulnerable -0.96/bd (-1.00 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Lai | Y.Xia – Y.Huang | Closed | 7 | -3.4 | -0.49 | -2.29 |
| Round 2 | W.Lai | R.Wang – X.Gan | Closed | 7 | +15.6 | +2.23 | +0.86 |
| Round 4 | W.Lai | S.Yan – D.Hu | Closed | 7 | -5.0 | -0.71 | -5.86 |
| Round 5 | W.Lai | H.Liu – X.Zhang | Open | 7 | -13.0 | -1.86 | -2.14 |
| Round 7 | W.Lai | J.Bian – Y.Lian | Closed | 7 | -15.3 | -2.19 | -3.00 |
| Round 8 | W.Lai | H.Yu – J.Peng | Open | 7 | +20.7 | +2.96 | +7.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 26 | 3NT | ♥10 | -2 | +13 |
| +8.6 | Round 2 | SHENZHEN NANGANG POWER | 11 | 6♦ | ♥J | +1 | +1 |
| +8.0 | Round 2 | SHENZHEN NANGANG POWER | 10 | 6NT | ♣6 | -1 | +12 |
| +5.6 | Round 7 | CHINA HYX | 16 | 3NT | ♦4 | = | +0 |
| +5.5 | Round 5 | PAN-CHINA | 4 | 3NT | ♣5 | = | -1 |
| +5.0 | Round 1 | RAINBOW | 4 | 1NT | ♣6 | -2 | +2 |
| +4.1 | Round 1 | RAINBOW | 6 | 3NT | ♦Q | -1 | -2 |
| +4.0 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 22 | 5♠ | ♥4 | -1 | +12 |
| +3.9 | Round 1 | RAINBOW | 7 | 3NT | ♥J | +2 | +1 |
| +3.9 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 27 | 5♣ | ♦A | +1 | +1 |
| +3.5 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 28 | 4♥ | ♣6 | -2 | +11 |
| +3.2 | Round 5 | PAN-CHINA | 3 | 2♠ | ♣K | -1 | -1 |
| +3.1 | Round 2 | SHENZHEN NANGANG POWER | 9 | 5♣ | ♦K | = | +0 |
| +2.4 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 25 | 4♠x | ♠8 | -2 | +7 |
| +2.1 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 26 | 3NT | ♠4 | +4 | -12 |
| +1.8 | Round 7 | CHINA HYX | 18 | 1NT | ♦Q | = | -2 |
| +1.6 | Round 1 | RAINBOW | 3 | 2♣ | ♦9 | = | +1 |
| +1.2 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 24 | 4♠x | ♦A | -2 | +4 |
| +1.1 | Round 2 | SHENZHEN NANGANG POWER | 13 | 4♥ | ♣10 | +1 | +0 |
| +1.0 | Round 5 | PAN-CHINA | 7 | 4♠ | ♦4 | = | +0 |
| +0.9 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 25 | 3NT | ♣4 | +3 | -12 |
| +0.0 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 23 | 2♠ | ♥10 | = | +0 |
| -0.3 | Round 7 | CHINA HYX | 17 | 2♠ | ♥3 | +2 | -1 |
| -0.4 | Round 7 | CHINA HYX | 19 | 3♦ | ♠A | = | +1 |
| -0.8 | Round 2 | SHENZHEN NANGANG POWER | 12 | 1NT | ♠2 | = | +2 |
| -1.0 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 22 | 2♥ | ♦A | +2 | -1 |
| -1.5 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 24 | 3NT | ♠5 | +1 | +1 |
| -1.5 | Round 8 | JIANGSU BRIDGE ASSOCIATION | 27 | 3♠ | ♣J | -1 | +2 |
| -1.8 | Round 2 | SHENZHEN NANGANG POWER | 14 | 2♠ | ♥A | -1 | -4 |
| -1.8 | Round 5 | PAN-CHINA | 1 | 3NT | ♥7 | = | +0 |
| -1.9 | Round 1 | RAINBOW | 2 | 3NT | ♥5 | -2 | -6 |
| -2.0 | Round 7 | CHINA HYX | 21 | 4♠ | ♥5 | -1 | -5 |
| -2.2 | Round 5 | PAN-CHINA | 5 | 2♠ | ♥A | -1 | -3 |
| -2.6 | Round 2 | SHENZHEN NANGANG POWER | 8 | 2♠ | ♠3 | = | -5 |
| -4.4 | Round 1 | RAINBOW | 1 | 1NT | ♠4 | = | +0 |
| -4.6 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 23 | 6NT | ♦10 | -2 | -17 |
| -4.8 | Round 4 | YUFENG ELECTRIC POWER BRIDGE T | 28 | 2♥ | ♣Q | -3 | -1 |
| -6.5 | Round 5 | PAN-CHINA | 6 | 7♣ | ♠6 | = | +2 |
| -7.6 | Round 7 | CHINA HYX | 15 | 4♠x | ♣K | -1 | -14 |
| -11.7 | Round 1 | RAINBOW | 5 | 1NTx | ♣5 | +3 | -12 |
| -12.2 | Round 5 | PAN-CHINA | 2 | 4♠x | ♣9 | -3 | -12 |
| -12.4 | Round 7 | CHINA HYX | 20 | 6♥ | ♦3 | = | +0 |