LAM Alfred · CUHK
vs par split: bidding +0.52 · play -0.65
Strength of schedule: opponents averaged -0.29/bd (an easy draw) → opponent-adjusted -0.59/bd
Card play — on target: opening leads 71.4% #69 of 79 · declarer play 71.4% #52 of 78 · defence 81.8% #34 of 79
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 60.0% (5) |
| Declarer play | 100.0% (5) | 0.0% (2) |
| Defence | 66.7% (3) | 87.5% (8) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (1) · ♦ 0.0% (1) · ♣ 50.0% (2)
vs par by strain: NT -0.60 (10) · a suit +0.21 (14)
vs par by level: part-score +1.00 (8) · game -0.69 (16)
By role: declaring -1.21/bd (-4.33 vs par · 12) · defending +0.62/bd (+4.08 vs par · 12)
By vulnerability: vulnerable -1.90/bd (-5.10 vs par · 10) · not vulnerable +0.86/bd (+3.43 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | T.Hung | C.Bens – M.Roches | Closed | 6 | -9.7 | -1.62 | -2.00 |
| Round 3 | T.Hung | D.Gue – J.Simpson | Open | 6 | -4.1 | -0.68 | +4.17 |
| Round 4 | T.Hung | K.Nishino – N.Umehara | Open | 6 | -5.9 | -0.98 | -3.50 |
| Round 8 | T.Hung | K.Mackowiak – L.Jozkowiak | Closed | 6 | +12.7 | +2.12 | +0.83 |
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 |
|---|---|---|---|---|---|---|---|
| +9.1 | Round 8 | DABROWKA POZNAN | 18 | 5♣x | ♠A | -3 | +9 |
| +3.8 | Round 8 | DABROWKA POZNAN | 13 | 3NT | ♥8 | = | -13 |
| +3.5 | Round 2 | 🇫🇷 FRANCE U22 | 11 | 3NT | ♠Q | -1 | +5 |
| +3.1 | Round 3 | 🇦🇺 AUSTRALIA | 15 | 4♠ | ♠2 | -1 | +12 |
| +2.9 | Round 4 | 🇯🇵 JAPAN | 19 | 3NT | ♥6 | = | +0 |
| +2.7 | Round 2 | 🇫🇷 FRANCE U22 | 12 | 3♥ | ♦7 | = | +6 |
| +2.3 | Round 3 | 🇦🇺 AUSTRALIA | 14 | 3♦ | ♣2 | +2 | +6 |
| +1.7 | Round 8 | DABROWKA POZNAN | 17 | 3♣ | ♣Q | +2 | +7 |
| +1.5 | Round 8 | DABROWKA POZNAN | 16 | 3NT | ♥2 | = | +3 |
| +1.0 | Round 4 | 🇯🇵 JAPAN | 24 | 2NT | ♦2 | -2 | +0 |
| +0.4 | Round 4 | 🇯🇵 JAPAN | 23 | 1NT | ♥2 | = | +0 |
| +0.1 | Round 3 | 🇦🇺 AUSTRALIA | 16 | 3NT | ♥2 | +2 | +0 |
| -0.7 | Round 8 | DABROWKA POZNAN | 14 | 1♠ | ♦4 | +1 | +0 |
| -0.8 | Round 4 | 🇯🇵 JAPAN | 20 | 4♥ | ♦Q | = | -1 |
| -1.6 | Round 3 | 🇦🇺 AUSTRALIA | 18 | 3NT | ♠10 | +1 | +12 |
| -2.1 | Round 2 | 🇫🇷 FRANCE U22 | 9 | 4♠ | ♥7 | +1 | -1 |
| -2.7 | Round 8 | DABROWKA POZNAN | 15 | 1NT | ♠2 | +2 | -1 |
| -3.0 | Round 2 | 🇫🇷 FRANCE U22 | 8 | 4♥ | ♦K | = | +0 |
| -3.1 | Round 3 | 🇦🇺 AUSTRALIA | 17 | 4♠ | ♣3 | = | +0 |
| -3.2 | Round 4 | 🇯🇵 JAPAN | 22 | 5♦x | ♥J | -3 | -8 |
| -4.7 | Round 2 | 🇫🇷 FRANCE U22 | 10 | 4♠ | ♦7 | -1 | -12 |
| -4.9 | Round 3 | 🇦🇺 AUSTRALIA | 13 | 4♠x | ♥5 | -3 | -5 |
| -6.1 | Round 2 | 🇫🇷 FRANCE U22 | 7 | 3♠ | ♣A | = | -10 |
| -6.2 | Round 4 | 🇯🇵 JAPAN | 21 | 3NT | ♥2 | -1 | -12 |