LAI Zi-Ming · CT U16
vs par split: bidding +0.29 · play +0.38
Strength of schedule: opponents averaged +0.47/bd (a tough draw) → opponent-adjusted +0.06/bd
Card play — on target: opening leads 91.7% #17 of 144 · declarer play 66.7% #87 of 144 · defence 80.0% #75 of 144
Bidding activity — not a pass: 39.4% #95 of 144 (52/132)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 100.0% (6) |
| Declarer play | 100.0% (1) | 63.6% (11) |
| Defence | 60.0% (10) | 93.3% (15) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 83.3% (6) · ♦ 100.0% (3)
vs par by strain: NT +2.00 (13) · a suit +0.17 (35)
vs par by level: part-score +0.36 (22) · game +0.29 (24) · slam +8.50 (2)
By role: declaring +0.18/bd (-2.26 vs par · 23) · defending -0.96/bd (+3.36 vs par · 25)
By vulnerability: vulnerable -0.69/bd (-0.68 vs par · 22) · not vulnerable -0.18/bd (+1.81 vs par · 26)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | C.Lu | Z.Meyer – L.Blocher | Open | 8 | -18.5 | -2.31 | -4.38 |
| Round 3 | C.Lu | T.Chen – C.Wu | Open | 8 | +0.5 | +0.06 | +0.00 |
| Round 4 | C.Lu | G.Gupta – V.Gahrotra | Closed | 8 | +10.6 | +1.32 | +4.25 |
| Round 6 | C.Lu | S.Lillejord – M.Moe | Closed | 8 | -14.0 | -1.75 | +2.00 |
| Round 8 | C.Lu | Y.Ge – Y.Liu | Open | 8 | -13.2 | -1.65 | -3.38 |
| Round 9 | C.Lu | M.Prokopowicz – K.Kisielewski | Open | 8 | +14.7 | +1.84 | +5.50 |
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 |
|---|---|---|---|---|---|---|---|
| +9.5 | Round 9 | POLAND | 18 | 3NT | ♦T | +1 | +4 |
| +8.3 | Round 6 | THE VIKINGS | 16 | 4♠x | ♥4 | -1 | +13 |
| +7.6 | Round 4 | BRIDGEBLITZ DAIS | 26 | 6♠ | ♣A | = | +0 |
| +6.6 | Round 9 | POLAND | 16 | 6NT | ♦6 | -1 | +17 |
| +5.4 | Round 4 | BRIDGEBLITZ DAIS | 24 | 3♥ | ♦7 | = | +11 |
| +4.8 | Round 3 | CT 360 | 12 | 5♣ | ♠J | = | -2 |
| +4.1 | Round 4 | BRIDGEBLITZ DAIS | 28 | 2♥ | ♦Q | +1 | +7 |
| +3.4 | Round 3 | CT 360 | 17 | 4♥ | ♠J | -1 | +8 |
| +3.2 | Round 8 | RDFZ | 4 | 3NT | ♠7 | +3 | -12 |
| +2.1 | Round 3 | CT 360 | 16 | 4♠ | ♦A | = | +0 |
| +2.0 | Round 9 | POLAND | 14 | 3NT | ♥9 | +2 | +14 |
| +1.6 | Round 2 | WEPLAYBRIDGE4US | 3 | 2♠ | ♣Q | +3 | -9 |
| +1.4 | Round 4 | BRIDGEBLITZ DAIS | 25 | 3♦ | ♠2 | = | -1 |
| +1.3 | Round 3 | CT 360 | 18 | 4♠ | ♦K | +1 | -11 |
| +1.1 | Round 3 | CT 360 | 11 | 2♠ | ♦Q | -1 | +4 |
| +1.1 | Round 8 | RDFZ | 5 | 2♥ | ♣3 | +4 | -11 |
| +1.1 | Round 9 | POLAND | 17 | 4♣ | ♦7 | -2 | +8 |
| +0.8 | Round 9 | POLAND | 15 | 1NT | ♦Q | +1 | +0 |
| +0.5 | Round 6 | THE VIKINGS | 14 | 4♥ | ♣A | = | +0 |
| +0.4 | Round 4 | BRIDGEBLITZ DAIS | 21 | 4♠ | ♣K | -2 | +6 |
| +0.3 | Round 4 | BRIDGEBLITZ DAIS | 23 | 4♥ | ♣T | +1 | +17 |
| +0.1 | Round 6 | THE VIKINGS | 18 | 3♠ | ♣K | = | +0 |
| -0.1 | Round 6 | THE VIKINGS | 12 | 3NT | ♠5 | -1 | +4 |
| -0.2 | Round 8 | RDFZ | 8 | 3♦ | ♥3 | = | +7 |
| -0.2 | Round 9 | POLAND | 13 | 2♠ | ♥9 | +1 | +10 |
| -0.6 | Round 3 | CT 360 | 15 | 4♠ | ♠3 | = | +1 |
| -1.0 | Round 8 | RDFZ | 1 | 1♥ | ♦3 | +2 | +0 |
| -1.1 | Round 2 | WEPLAYBRIDGE4US | 4 | 5♥ | ♣T | -3 | -15 |
| -1.2 | Round 3 | CT 360 | 14 | 4♠ | ♦A | +1 | +8 |
| -1.2 | Round 9 | POLAND | 11 | 2♠ | ♠T | +1 | -7 |
| -1.3 | Round 2 | WEPLAYBRIDGE4US | 5 | 2♠ | ♥K | = | +1 |
| -1.6 | Round 2 | WEPLAYBRIDGE4US | 8 | 5♦ | ♦7 | = | +1 |
| -1.9 | Round 2 | WEPLAYBRIDGE4US | 2 | 4♦ | ♥K | -1 | +2 |
| -2.0 | Round 2 | WEPLAYBRIDGE4US | 6 | 3♥ | ♦K | -1 | +1 |
| -2.0 | Round 4 | BRIDGEBLITZ DAIS | 27 | 2♠ | ♥2 | = | +1 |
| -2.4 | Round 8 | RDFZ | 3 | 1NT | ♣K | = | +2 |
| -2.5 | Round 8 | RDFZ | 7 | 2♥ | ♣Q | +2 | -10 |
| -2.7 | Round 6 | THE VIKINGS | 13 | 2NT | ♠J | = | +0 |
| -3.1 | Round 8 | RDFZ | 2 | 3NT | ♥8 | +1 | +0 |
| -3.9 | Round 9 | POLAND | 12 | 2NT | ♥2 | +2 | -2 |
| -4.3 | Round 2 | WEPLAYBRIDGE4US | 7 | 2♠ | ♣K | +1 | -6 |
| -6.2 | Round 6 | THE VIKINGS | 17 | 3NT | ♣A | +1 | +0 |
| -6.6 | Round 4 | BRIDGEBLITZ DAIS | 22 | 4♥ | ♠5 | -2 | -7 |
| -6.8 | Round 6 | THE VIKINGS | 11 | 3NT | ♠9 | +1 | +0 |
| -7.1 | Round 6 | THE VIKINGS | 15 | 3NT | ♦6 | +1 | -1 |
| -7.9 | Round 2 | WEPLAYBRIDGE4US | 1 | 4♥ | ♣7 | -1 | -10 |
| -8.3 | Round 8 | RDFZ | 6 | 4♠x | ♥K | -2 | -3 |
| -10.4 | Round 3 | CT 360 | 13 | 4♠x | ♥A | -1 | -8 |