CHAO Jack C · CHANGYU
vs par split: bidding -1.49 · play -0.40
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted -0.44/bd
Card play — on target: opening leads 100.0% #1 of 579 · declarer play 42.9% #566 of 579 · defence 81.8% #434 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (4) |
| Declarer play | 0.0% (1) | 50.0% (6) |
| Defence | 71.4% (7) | 86.7% (15) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2)
vs par by strain: NT -0.40 (10) · a suit -2.48 (25)
vs par by level: part-score -2.62 (21) · game -1.58 (12) · slam +4.00 (2)
By role: declaring -2.02/bd (-8.92 vs par · 13) · defending +0.64/bd (+2.27 vs par · 22)
By vulnerability: vulnerable -0.55/bd (-3.62 vs par · 16) · not vulnerable -0.18/bd (-0.42 vs par · 19)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Chu | N.Abedi – E.Aksuyek | Open | 7 | +0.2 | +0.03 | -1.57 |
| Round 2 | W.Chu | L.Soudan – C.Garnier | Closed | 7 | +1.0 | +0.14 | +2.00 |
| Round 3 | W.Chu | J.Howard – P.Hollands | Open | 7 | +15.5 | +2.21 | -0.71 |
| Round 6 | W.Chu | M.Rosenberg – C.Willenken | Closed | 7 | -10.7 | -1.53 | -5.29 |
| Round 7 | W.Chu | B.Maksymetz – D.Korbel | Open | 7 | -18.2 | -2.60 | -3.86 |
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 |
|---|---|---|---|---|---|---|---|
| +14.3 | Round 3 | SILVERFOX | 21 | 6♠ | ♦2 | -1 | +20 |
| +7.3 | Round 1 | BILAL | 6 | 4♥ | ♠2 | -4 | +3 |
| +6.9 | Round 2 | GUADELOUPE | 9 | 3NT | ♦A | -1 | +10 |
| +4.6 | Round 2 | GUADELOUPE | 8 | 3♦ | ♠A | -4 | +7 |
| +3.7 | Round 3 | SILVERFOX | 16 | 3NT | ♣10 | +4 | +10 |
| +3.3 | Round 1 | BILAL | 2 | 1NT | ♥5 | = | -1 |
| +3.2 | Round 2 | GUADELOUPE | 14 | 3♥ | ♥A | -2 | +5 |
| +3.0 | Round 3 | SILVERFOX | 20 | 3NT | ♠10 | +1 | -12 |
| +2.8 | Round 6 | FLEISHER | 11 | 4♣ | ♦2 | -1 | +5 |
| +2.0 | Round 3 | SILVERFOX | 19 | 4♥ | ♦7 | = | -17 |
| +2.0 | Round 6 | FLEISHER | 9 | 4♥ | ♠7 | +1 | -12 |
| +1.1 | Round 1 | BILAL | 5 | 1NT | ♠A | +1 | +1 |
| +0.8 | Round 1 | BILAL | 3 | 2NT | ♠9 | = | +0 |
| +0.6 | Round 6 | FLEISHER | 12 | 3♠ | ♣7 | = | -7 |
| +0.6 | Round 7 | MCMULLIN | 17 | 2♠ | ♦8 | +1 | +0 |
| +0.3 | Round 1 | BILAL | 1 | 2♦ | ♠A | -2 | +5 |
| -0.3 | Round 2 | GUADELOUPE | 11 | 4♠ | ♥J | +1 | +10 |
| -0.4 | Round 7 | MCMULLIN | 19 | 3♦ | ♠A | = | +1 |
| -0.4 | Round 7 | MCMULLIN | 20 | 4NT | ♦7 | +2 | +12 |
| -0.6 | Round 3 | SILVERFOX | 18 | 3♣ | ♥3 | -2 | +0 |
| -1.1 | Round 2 | GUADELOUPE | 13 | 5♥ | ♠A | = | +0 |
| -2.0 | Round 3 | SILVERFOX | 15 | 2♠ | ♥A | = | +0 |
| -2.4 | Round 1 | BILAL | 4 | 2♠ | ♥K | = | -6 |
| -2.7 | Round 7 | MCMULLIN | 15 | 3♠ | ♣K | = | -13 |
| -2.7 | Round 7 | MCMULLIN | 18 | 2♦ | ♠8 | = | -6 |
| -3.3 | Round 6 | FLEISHER | 10 | 3♣ | ♦10 | -1 | -6 |
| -3.6 | Round 6 | FLEISHER | 8 | 3♣ | ♦J | +1 | -7 |
| -3.7 | Round 7 | MCMULLIN | 16 | 2♣ | ♦7 | +3 | -10 |
| -4.2 | Round 6 | FLEISHER | 14 | 5♥ | ♠A | = | -4 |
| -4.3 | Round 2 | GUADELOUPE | 12 | 1NT | ♥4 | +1 | -6 |
| -4.9 | Round 3 | SILVERFOX | 17 | 1NT | ♠A | +1 | -6 |
| -5.0 | Round 6 | FLEISHER | 13 | 4♠ | ♥A | -1 | -6 |
| -8.0 | Round 2 | GUADELOUPE | 10 | 6NT | ♥2 | -1 | -12 |
| -8.9 | Round 7 | MCMULLIN | 21 | 2♣x | ♠Q | +1 | -11 |
| -10.2 | Round 1 | BILAL | 7 | 5♣ | ♥6 | -2 | -13 |