AN Mei · CHINA1
vs par split: bidding +0.36 · play +1.09
Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted +0.63/bd
Card play — on target: opening leads 76.5% #344 of 488 · declarer play 64.3% #417 of 488 · defence 96.4% #14 of 488
Bidding activity — not a pass: 43.4% #219 of 488 (72/166)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 76.9% (13) |
| Declarer play | 25.0% (4) | 80.0% (10) |
| Defence | 85.7% (7) | 100.0% (21) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 75.0% (4) · ♣ 80.0% (5)
vs par by strain: NT -1.67 (15) · a suit +2.58 (41)
vs par by level: part-score +0.61 (13) · game +1.84 (38) · slam +0.60 (5)
By role: declaring +0.57/bd (-2.07 vs par · 28) · defending +0.32/bd (+4.96 vs par · 28)
By vulnerability: vulnerable +0.03/bd (+1.39 vs par · 28) · not vulnerable +0.86/bd (+1.50 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Zhang | J.Wooldridge – J.Edmonds | Open | 14 | -14.6 | -1.04 | +1.71 |
| Round 3 | Y.Zhang | L.Berrettini – C.Laitano | Closed | 14 | +15.5 | +1.11 | +1.71 |
| Round 5 | Y.Zhang | R.Nistor – G.Simpson | Open | 14 | +6.2 | +0.44 | +1.50 |
| Round 7 | Y.Zhang | Z.Moszczynska – A.Wasiak | Open | 14 | +17.8 | +1.27 | +0.86 |
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 |
|---|---|---|---|---|---|---|---|
| +11.8 | Round 7 | ZORZA | 13 | 7♥ | ♠5 | = | +0 |
| +9.5 | Round 5 | EDAMAME | 7 | 5♥ | ♦6 | -1 | +15 |
| +7.8 | Round 5 | EDAMAME | 8 | 6♣ | ♥T | = | -2 |
| +7.1 | Round 3 | CASSIO | 12 | 4♥ | ♣7 | -1 | +12 |
| +6.7 | Round 7 | ZORZA | 11 | 3NT | ♣4 | +1 | +0 |
| +6.2 | Round 7 | ZORZA | 7 | 5♦ | ♥6 | +2 | +14 |
| +6.1 | Round 3 | CASSIO | 10 | 3NT | ♦K | -1 | +6 |
| +6.1 | Round 5 | EDAMAME | 10 | 3NT | ♣K | = | -1 |
| +5.7 | Round 3 | CASSIO | 8 | 5♦ | ♠6 | -1 | +10 |
| +5.5 | Round 3 | CASSIO | 6 | 2♠ | ♥2 | = | +11 |
| +4.9 | Round 7 | ZORZA | 4 | 4♠ | ♦T | +1 | +11 |
| +4.7 | Round 1 | EDMONDS | 7 | 4♠ | ♦A | -1 | +7 |
| +4.0 | Round 1 | EDMONDS | 5 | 3NT | ♣T | -1 | +6 |
| +3.5 | Round 5 | EDAMAME | 5 | 4♥ | ♦A | -2 | +7 |
| +2.0 | Round 3 | CASSIO | 1 | 4♥ | ♠A | -2 | +0 |
| +2.0 | Round 3 | CASSIO | 5 | 4♥ | ♦2 | +2 | +1 |
| +1.7 | Round 3 | CASSIO | 13 | 6♠ | ♦J | = | +13 |
| +1.1 | Round 3 | CASSIO | 14 | 4♠ | ♣3 | +1 | +0 |
| +1.0 | Round 5 | EDAMAME | 14 | 3♣ | ♥J | = | +0 |
| +0.9 | Round 5 | EDAMAME | 11 | 4♠ | ♣5 | +1 | +1 |
| +0.8 | Round 1 | EDMONDS | 10 | 4♥ | ♠6 | +1 | +0 |
| +0.7 | Round 5 | EDAMAME | 6 | 3♦ | ♣Q | +1 | +7 |
| +0.6 | Round 1 | EDMONDS | 14 | 3NT | ♥2 | +1 | -1 |
| +0.6 | Round 3 | CASSIO | 2 | 3♦ | ♥A | +1 | +6 |
| +0.6 | Round 5 | EDAMAME | 3 | 5♣ | ♣8 | +2 | -13 |
| +0.5 | Round 7 | ZORZA | 14 | 4♠ | ♥2 | -1 | +4 |
| +0.3 | Round 7 | ZORZA | 8 | 4♥ | ♦8 | = | +0 |
| +0.2 | Round 3 | CASSIO | 11 | 4♥ | ♣K | +1 | +0 |
| -0.0 | Round 1 | EDMONDS | 8 | 5♣x | ♥A | -1 | +0 |
| -0.3 | Round 1 | EDMONDS | 1 | 4♥ | ♠6 | +3 | +10 |
| -0.3 | Round 7 | ZORZA | 6 | 4♥ | ♥5 | = | +0 |
| -0.5 | Round 1 | EDMONDS | 11 | 2NT | ♥2 | = | -7 |
| -0.6 | Round 1 | EDMONDS | 4 | 3♥ | ♣Q | -1 | +1 |
| -0.6 | Round 3 | CASSIO | 7 | 3NT | ♦Q | = | -1 |
| -0.6 | Round 7 | ZORZA | 1 | 2NT | ♣9 | = | +7 |
| -0.6 | Round 7 | ZORZA | 10 | 3NT | ♥6 | +1 | +1 |
| -0.7 | Round 7 | ZORZA | 9 | 3NT | ♥4 | +2 | -13 |
| -0.9 | Round 5 | EDAMAME | 2 | 3NT | ♥2 | = | +0 |
| -1.0 | Round 1 | EDMONDS | 6 | 4♥ | ♣A | = | +0 |
| -1.6 | Round 1 | EDMONDS | 3 | 3NT | ♦Q | +2 | -1 |
| -1.6 | Round 7 | ZORZA | 2 | 1NT | ♦4 | +1 | +0 |
| -1.7 | Round 5 | EDAMAME | 1 | 3♥ | ♦A | -1 | -4 |
| -2.0 | Round 3 | CASSIO | 3 | 4♥ | ♣2 | -1 | -5 |
| -2.1 | Round 3 | CASSIO | 9 | 4♠ | ♥K | -2 | -8 |
| -2.2 | Round 1 | EDMONDS | 12 | 4♥ | ♣A | +1 | +0 |
| -2.2 | Round 7 | ZORZA | 3 | 3♦ | ♥2 | +1 | +0 |
| -2.3 | Round 7 | ZORZA | 5 | 2♣ | ♦9 | -1 | -4 |
| -2.4 | Round 1 | EDMONDS | 2 | 4♠ | ♥A | = | +5 |
| -3.0 | Round 5 | EDAMAME | 12 | 2♠ | ♦A | +1 | -1 |
| -3.8 | Round 5 | EDAMAME | 13 | 4♠ | ♣8 | +3 | +12 |
| -4.3 | Round 7 | ZORZA | 12 | 3♠ | ♠7 | = | -8 |
| -5.0 | Round 1 | EDMONDS | 13 | 6♠ | ♥K | +1 | +13 |
| -6.2 | Round 5 | EDAMAME | 9 | 3NT | ♦Q | = | +0 |
| -8.3 | Round 5 | EDAMAME | 4 | 4♥ | ♣Q | = | +0 |
| -11.1 | Round 1 | EDMONDS | 9 | 4♥x | ♠6 | -3 | -9 |
| -11.8 | Round 3 | CASSIO | 4 | 6NT | ♠J | -3 | -21 |