ZEN Derek · HONG KONG GEN X
vs par split: bidding -1.47 · play -0.60
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted -0.67/bd
Card play — on target: opening leads 75.0% · declarer play 85.7% · defence 69.2%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 71.4% (7) |
| Declarer play | 100.0% (2) | 80.0% (5) |
| Defence | 0.0% (1) | 75.0% (12) |
Opening leads by suit led: ♠ 0.0% (1) · ♥ 66.7% (3) · ♦ 100.0% (1) · ♣ 100.0% (3)
vs par by strain: NT -1.67 (6) · a suit -2.17 (24)
vs par by level: part-score -1.33 (9) · game -2.63 (19) · slam +0.00 (2)
By role: declaring +1.02/bd (-1.88 vs par · 17) · defending -3.21/bd (-2.31 vs par · 13)
By vulnerability: vulnerable -1.39/bd (-0.71 vs par · 14) · not vulnerable -0.31/bd (-3.25 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | P.Lau | D.Poerwanti – F.Felisia | Open | 10 | +4.1 | +0.41 | +0.40 |
| Round 4 | P.Lau | A.Dubinin – A.Gromov | Closed | 10 | -3.4 | -0.34 | -2.30 |
| Round 5 | C.Ng | X.Li – Y.Hu | Open | 10 | -25.0 | -2.50 | -4.30 |
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 |
|---|---|---|---|---|---|---|---|
| +11.4 | Round 3 | TELKOM UNIVERSITY | 21 | 3NT | ♠K | +1 | +11 |
| +9.1 | Round 4 | GROMOV | 9 | 7♠ | ♥2 | = | +0 |
| +7.8 | Round 3 | TELKOM UNIVERSITY | 28 | 5♣x | ♥J | -2 | +5 |
| +4.1 | Round 5 | TIANYA BRIDGE FATE | 11 | 3NT | ♠2 | +2 | +1 |
| +2.4 | Round 4 | GROMOV | 10 | 5♣ | ♠3 | = | +9 |
| +2.2 | Round 4 | GROMOV | 6 | 4♠ | ♥4 | +2 | -10 |
| +2.1 | Round 5 | TIANYA BRIDGE FATE | 12 | 3NT | ♦A | +2 | +0 |
| +1.5 | Round 3 | TELKOM UNIVERSITY | 25 | 2♠ | ♥A | +1 | +6 |
| +1.3 | Round 4 | GROMOV | 1 | 4♣ | ♦A | -1 | -6 |
| +1.1 | Round 3 | TELKOM UNIVERSITY | 26 | 4♥ | ♦Q | = | +0 |
| +0.5 | Round 3 | TELKOM UNIVERSITY | 30 | 4♥ | ♣6 | +1 | -11 |
| +0.5 | Round 5 | TIANYA BRIDGE FATE | 20 | 2♦ | ♣A | +1 | +0 |
| -0.4 | Round 3 | TELKOM UNIVERSITY | 22 | 2♠ | ♣Q | = | +9 |
| -0.7 | Round 4 | GROMOV | 7 | 3NT | ♥2 | = | -1 |
| -0.9 | Round 3 | TELKOM UNIVERSITY | 24 | 4♠ | ♥2 | +1 | -1 |
| -1.1 | Round 5 | TIANYA BRIDGE FATE | 14 | 4♥ | ♣A | = | +0 |
| -1.2 | Round 4 | GROMOV | 8 | 4♠ | ♥K | -1 | -2 |
| -1.5 | Round 5 | TIANYA BRIDGE FATE | 16 | 2♠ | ♥10 | -1 | +0 |
| -1.6 | Round 4 | GROMOV | 3 | 2♥ | ♠K | = | +0 |
| -2.4 | Round 5 | TIANYA BRIDGE FATE | 19 | 4♠ | ♠A | = | +0 |
| -2.6 | Round 5 | TIANYA BRIDGE FATE | 18 | 3NT | ♦6 | -2 | -11 |
| -3.0 | Round 4 | GROMOV | 2 | 2♠ | ♥Q | = | -6 |
| -3.4 | Round 3 | TELKOM UNIVERSITY | 23 | 2♣ | ♥8 | +1 | -9 |
| -3.5 | Round 5 | TIANYA BRIDGE FATE | 17 | 4♠ | ♠J | +2 | -11 |
| -4.7 | Round 3 | TELKOM UNIVERSITY | 27 | 2♠ | ♥6 | -2 | -6 |
| -5.3 | Round 4 | GROMOV | 5 | 4♠ | ♠Q | = | -7 |
| -6.6 | Round 4 | GROMOV | 4 | 4♥ | ♠7 | = | +0 |
| -8.8 | Round 3 | TELKOM UNIVERSITY | 29 | 6♠ | ♣J | = | +0 |
| -9.7 | Round 5 | TIANYA BRIDGE FATE | 15 | 3NT | ♣6 | = | -10 |
| -10.9 | Round 5 | TIANYA BRIDGE FATE | 13 | 4♠x | ♥2 | = | -12 |