ZHANG Yukun · AMANDA
vs par split: bidding -0.50 · play -0.29
Strength of schedule: opponents averaged +0.49/bd (a tough draw) → opponent-adjusted +0.01/bd
Card play — on target: opening leads 62.5% · declarer play 70.6% · defence 75.0%
Bidding activity — not a pass: 47.4% (83/175)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 58.3% (12) |
| Declarer play | 80.0% (5) | 66.7% (12) |
| Defence | 42.9% (7) | 85.7% (21) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 62.5% (8) · ♦ 50.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -1.57 (14) · a suit -0.52 (42)
vs par by level: part-score -0.29 (17) · game -0.58 (33) · slam -3.33 (6)
By role: declaring +0.23/bd (-2.21 vs par · 28) · defending -1.19/bd (+0.64 vs par · 28)
By vulnerability: vulnerable -2.07/bd (-2.71 vs par · 28) · not vulnerable +1.10/bd (+1.14 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | K.Fong | N.L'Ecuyer – P.Street | Open | 14 | +14.8 | +1.06 | +2.79 |
| Round of 64 | K.Fong | A.Zamir – O.Toledano | Open | 14 | +21.3 | +1.52 | -0.43 |
| Round of 64 | K.Fong | A.Zamir – O.Toledano | Closed | 14 | -35.9 | -2.56 | -1.86 |
| Round of 64 | K.Fong | O.Toledano – A.Zamir | Open | 14 | -27.3 | -1.95 | -3.64 |
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 |
|---|---|---|---|---|---|---|---|
| +8.0 | Round of 64 | EASY STREET | 1 | 3NT | ♠Q | = | +0 |
| +7.5 | Round of 64 | EASY STREET | 31 | 3♥ | ♦K | -3 | +9 |
| +6.8 | Round of 64 | EASY STREET | 11 | 4♥ | ♦Q | -1 | +10 |
| +5.9 | Round of 64 | EASY STREET | 19 | 5♦x | ♣K | = | +4 |
| +5.9 | Round of 64 | EASY STREET | 43 | 3NT | ♠8 | = | -2 |
| +5.3 | Round of 64 | EASY STREET | 23 | 1NT | ♦K | -4 | -6 |
| +5.2 | Round of 64 | EASY STREET | 12 | 3NT | ♥J | = | +5 |
| +4.9 | Round of 64 | EASY STREET | 8 | 4♥ | ♦9 | = | +3 |
| +4.9 | Round of 64 | EASY STREET | 20 | 3♠ | ♣7 | -2 | -2 |
| +4.5 | Round of 64 | EASY STREET | 21 | 3♦ | ♦8 | = | +5 |
| +3.9 | Round of 64 | EASY STREET | 55 | 6♥ | ♠T | = | +0 |
| +2.7 | Round of 64 | EASY STREET | 5 | 4♠ | ♦K | -2 | +13 |
| +2.6 | Round of 64 | EASY STREET | 18 | 4♠ | ♥Q | = | +0 |
| +2.2 | Round of 64 | EASY STREET | 14 | 6♠ | ♥3 | +1 | +11 |
| +1.5 | Round of 64 | EASY STREET | 25 | 4♥ | ♠3 | -1 | -2 |
| +1.4 | Round of 64 | EASY STREET | 15 | 3♥ | ♥7 | -1 | +6 |
| +1.1 | Round of 64 | EASY STREET | 24 | 4♠ | ♦7 | = | -1 |
| +1.0 | Round of 64 | EASY STREET | 6 | 3♠ | ♥Q | -2 | -11 |
| +0.8 | Round of 64 | EASY STREET | 37 | 3♥ | ♠6 | +1 | +8 |
| +0.7 | Round of 64 | EASY STREET | 3 | 2♠ | ♦A | -2 | -1 |
| +0.7 | Round of 64 | EASY STREET | 7 | 5♣ | ♥A | = | +3 |
| +0.7 | Round of 64 | EASY STREET | 44 | 3NT | ♥4 | +2 | +0 |
| +0.5 | Round of 64 | EASY STREET | 26 | 4♠ | ♥2 | +1 | +0 |
| +0.4 | Round of 64 | EASY STREET | 2 | 4♠ | ♣Q | = | +11 |
| +0.1 | Round of 64 | EASY STREET | 22 | 4♠ | ♥T | = | +3 |
| -0.1 | Round of 64 | EASY STREET | 16 | 4♥ | ♦5 | +1 | +0 |
| -0.1 | Round of 64 | EASY STREET | 45 | 3NT | ♣J | +3 | +11 |
| -0.2 | Round of 64 | EASY STREET | 34 | 3NT | ♣9 | +1 | +0 |
| -0.2 | Round of 64 | EASY STREET | 36 | 3NT | ♦6 | = | -1 |
| -0.3 | Round of 64 | EASY STREET | 10 | 4♥ | ♣A | = | +0 |
| -0.5 | Round of 64 | EASY STREET | 49 | 3NT | ♠8 | +2 | +0 |
| -0.7 | Round of 64 | EASY STREET | 27 | 4♠ | ♠3 | +1 | -1 |
| -0.7 | Round of 64 | EASY STREET | 42 | 3♠ | ♥2 | +1 | -4 |
| -0.9 | Round of 64 | EASY STREET | 29 | 3♠ | ♣K | +1 | -2 |
| -1.3 | Round of 64 | EASY STREET | 54 | 2♥ | ♥9 | = | +0 |
| -1.6 | Round of 64 | EASY STREET | 9 | 2♥ | ♠4 | +3 | +6 |
| -1.6 | Round of 64 | EASY STREET | 53 | 2♠ | ♣8 | = | +1 |
| -1.8 | Round of 64 | EASY STREET | 46 | 4♥ | ♦2 | +2 | -11 |
| -1.9 | Round of 64 | EASY STREET | 30 | 4♠ | ♥A | = | +0 |
| -2.5 | Round of 64 | EASY STREET | 38 | 3NT | ♦Q | +2 | -1 |
| -2.6 | Round of 64 | EASY STREET | 51 | 3♦ | ♣J | +1 | +0 |
| -2.8 | Round of 64 | EASY STREET | 28 | 2♠ | ♣6 | = | -7 |
| -2.9 | Round of 64 | EASY STREET | 17 | 6♥x | ♥J | -2 | -5 |
| -3.0 | Round of 64 | EASY STREET | 4 | 3NT | ♥J | +1 | -1 |
| -3.0 | Round of 64 | EASY STREET | 41 | 4♠ | ♣A | -1 | -6 |
| -3.4 | Round of 64 | EASY STREET | 50 | 4♥x | ♦J | = | -9 |
| -4.3 | Round of 64 | EASY STREET | 39 | 2♥ | ♦A | +1 | -6 |
| -4.5 | Round of 64 | EASY STREET | 48 | 4♣ | ♥J | +1 | -1 |
| -5.5 | Round of 64 | EASY STREET | 52 | 3NT | ♠J | -2 | -6 |
| -6.4 | Round of 64 | EASY STREET | 56 | 5♣ | ♠K | +1 | -14 |
| -6.5 | Round of 64 | EASY STREET | 32 | 6♦ | ♥7 | -2 | -17 |
| -7.6 | Round of 64 | EASY STREET | 33 | 4♥ | ♦J | = | -6 |
| -7.8 | Round of 64 | EASY STREET | 40 | 6♣ | ♥5 | = | +11 |
| -8.6 | Round of 64 | EASY STREET | 35 | 3NT | ♥7 | +2 | -11 |
| -10.1 | Round of 64 | EASY STREET | 47 | 7♠ | ♠3 | -2 | -20 |
| -12.9 | Round of 64 | EASY STREET | 13 | 3NT | ♦4 | = | -10 |