ZHANG Wei · CHINA OPEN 2
176rank
-13.1Butler · 70 bds
-0.19per board
±3.5swing
-0.27vs par /bd
-0.49adjusted /bd
by round
vs par split: bidding +0.07 · play -0.34
Strength of schedule: opponents averaged -0.31/bd (an easy draw) → opponent-adjusted -0.49/bd
Card play — on target: opening leads 75.0% · declarer play 93.3% · defence 92.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 55.6% (9) | 86.7% (15) |
| Declarer play | 80.0% (5) | 100.0% (10) |
| Defence | 89.5% (19) | 95.7% (23) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 55.6% (9) · ♦ 100.0% (10) · ♣ 50.0% (2)
vs par by strain: NT +0.10 (29) · a suit -0.54 (41)
vs par by level: part-score -0.25 (28) · game +0.03 (38) · slam -3.25 (4)
By role: declaring +0.17/bd (-2.29 vs par · 28) · defending -0.43/bd (+1.07 vs par · 42)
By vulnerability: vulnerable -0.46/bd (+0.40 vs par · 35) · not vulnerable +0.09/bd (-0.94 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | J.Liu | J.Grue – B.Moss | Closed | 14 | +15.0 | +1.07 | -0.57 |
| Round of 64 | J.Liu | E.Greco – G.Hampson | Closed | 14 | +15.4 | +1.10 | +0.07 |
| Round of 64 | J.Liu | E.Greco – G.Hampson | Closed | 14 | -0.7 | -0.05 | +0.64 |
| Round of 32 | J.Liu | M.Chodacki – M.Sobczak | Closed | 14 | -40.9 | -2.92 | -3.00 |
| Round of 32 | J.Liu | M.Chodacki – M.Sobczak | Closed | 14 | -1.9 | -0.14 | +1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Round of 64 | FLEISHER | 21 | 4♥x | ♦10 | = | +7 |
| +9.0 | Round of 64 | FLEISHER | 16 | 6♦ | ♠K | = | +0 |
| +7.5 | Round of 64 | FLEISHER | 17 | 5♣ | ♠K | = | +7 |
| +6.0 | Round of 64 | FLEISHER | 53 | 3NTx | ♥10 | +1 | +6 |
| +5.8 | Round of 32 | POLAND JUNIORS | 20 | 4♠ | ♦Q | -1 | +6 |
| +5.7 | Round of 64 | FLEISHER | 8 | 3NT | ♠10 | +1 | +14 |
| +4.2 | Round of 64 | FLEISHER | 10 | 4♠x | ♦K | -3 | -12 |
| +4.1 | Round of 64 | FLEISHER | 3 | 3♥ | ♥5 | -1 | +5 |
| +3.0 | Round of 64 | FLEISHER | 54 | 3NT | ♣3 | +2 | +0 |
| +2.9 | Round of 64 | FLEISHER | 4 | 5♣ | ♦Q | -1 | +6 |
| +2.4 | Round of 64 | FLEISHER | 15 | 3NT | ♠K | -2 | +0 |
| +2.2 | Round of 64 | FLEISHER | 47 | 1NT | ♦2 | -2 | +2 |
| +2.2 | Round of 32 | POLAND JUNIORS | 22 | 4♥ | ♠J | +1 | +0 |
| +2.1 | Round of 32 | POLAND JUNIORS | 23 | 4♠x | ♦A | -1 | +0 |
| +1.8 | Round of 64 | FLEISHER | 50 | 1NT | ♠9 | +1 | +6 |
| +1.8 | Round of 32 | POLAND JUNIORS | 16 | 4♠ | ♦A | -1 | +6 |
| +1.7 | Round of 64 | FLEISHER | 11 | 2♠ | ♠3 | +1 | +0 |
| +1.3 | Round of 64 | FLEISHER | 6 | 3♦ | ♣K | = | +0 |
| +1.2 | Round of 32 | POLAND JUNIORS | 11 | 1NT | ♠3 | -2 | +0 |
| +1.2 | Round of 32 | POLAND JUNIORS | 14 | 6♠ | ♥A | = | +0 |
| +1.1 | Round of 32 | POLAND JUNIORS | 24 | 3♣ | ♥A | = | +0 |
| +1.0 | Round of 64 | FLEISHER | 46 | 2♠ | ♦3 | -2 | -1 |
| +0.9 | Round of 64 | FLEISHER | 25 | 3♥ | ♦K | = | +0 |
| +0.6 | Round of 64 | FLEISHER | 9 | 3NT | ♠J | +1 | +0 |
| +0.5 | Round of 64 | FLEISHER | 12 | 4♦ | ♥A | +1 | -10 |
| +0.5 | Round of 32 | POLAND JUNIORS | 26 | 3NT | ♠J | +3 | +1 |
| +0.4 | Round of 32 | POLAND JUNIORS | 10 | 1NT | ♠4 | +2 | +0 |
| +0.3 | Round of 64 | FLEISHER | 44 | 4♥ | ♦3 | = | -3 |
| +0.2 | Round of 64 | FLEISHER | 2 | 4♥ | ♣A | -1 | -2 |
| +0.2 | Round of 64 | FLEISHER | 5 | 2♠ | ♣9 | -1 | -1 |
| +0.2 | Round of 64 | FLEISHER | 20 | 2♥ | ♦8 | +1 | +0 |
| +0.2 | Round of 32 | POLAND JUNIORS | 28 | 3NT | ♦9 | -1 | +10 |
| +0.1 | Round of 64 | FLEISHER | 14 | 4♠ | ♥Q | +1 | +0 |
| -0.1 | Round of 64 | FLEISHER | 18 | 1NT | ♣K | +1 | +1 |
| -0.1 | Round of 64 | FLEISHER | 26 | 4♠ | ♥5 | +1 | +0 |
| -0.1 | Round of 32 | POLAND JUNIORS | 17 | 5♦ | ♦K | = | +2 |
| -0.3 | Round of 32 | POLAND JUNIORS | 8 | 3NTx | ♦4 | -1 | -5 |
| -0.4 | Round of 64 | FLEISHER | 19 | 4♠ | ♥K | +1 | +0 |
| -0.4 | Round of 64 | FLEISHER | 24 | 2NT | ♠6 | = | +0 |
| -0.4 | Round of 32 | POLAND JUNIORS | 4 | 2♠ | ♦Q | +1 | +10 |
| -0.5 | Round of 32 | POLAND JUNIORS | 21 | 3NT | ♠5 | +2 | +10 |
| -0.7 | Round of 64 | FLEISHER | 52 | 4♠ | ♥2 | +1 | +0 |
| -0.8 | Round of 64 | FLEISHER | 43 | 3♦ | ♠10 | +1 | -5 |
| -0.8 | Round of 64 | FLEISHER | 45 | 1NT | ♥J | = | -2 |
| -0.9 | Round of 32 | POLAND JUNIORS | 5 | 3♠ | ♥4 | +1 | -10 |
| -1.1 | Round of 64 | FLEISHER | 13 | 2♠ | ♦K | +2 | +10 |
| -1.2 | Round of 32 | POLAND JUNIORS | 27 | 2♠ | ♣7 | -1 | +2 |
| -1.3 | Round of 64 | FLEISHER | 22 | 3NT | ♥9 | +1 | +0 |
| -1.3 | Round of 32 | POLAND JUNIORS | 15 | 3NT | ♣10 | +2 | +0 |
| -1.7 | Round of 64 | FLEISHER | 1 | 1NT | ♣7 | = | -6 |
| -1.8 | Round of 64 | FLEISHER | 56 | 3NT | ♣J | +1 | -1 |
| -2.1 | Round of 64 | FLEISHER | 55 | 3♦ | ♥7 | -1 | -9 |
| -2.2 | Round of 64 | FLEISHER | 49 | 3♠ | ♦10 | = | +7 |
| -2.3 | Round of 32 | POLAND JUNIORS | 12 | 3NT | ♥7 | +1 | +0 |
| -2.4 | Round of 32 | POLAND JUNIORS | 13 | 3♠ | ♥A | = | -1 |
| -2.8 | Round of 64 | FLEISHER | 27 | 3NT | ♠4 | -1 | -8 |
| -3.2 | Round of 64 | FLEISHER | 48 | 3NT | ♥4 | +3 | +12 |
| -3.4 | Round of 64 | FLEISHER | 51 | 4♠ | ♥A | = | -3 |
| -3.5 | Round of 32 | POLAND JUNIORS | 18 | 4NT | ♠A | +2 | -1 |
| -3.6 | Round of 64 | FLEISHER | 28 | 2♣ | ♣J | +3 | +7 |
| -3.7 | Round of 64 | FLEISHER | 7 | 3NT | ♦3 | -1 | -12 |
| -4.1 | Round of 32 | POLAND JUNIORS | 3 | 3♣ | ♥A | +1 | -7 |
| -4.1 | Round of 32 | POLAND JUNIORS | 19 | 2NT | ♦A | -1 | -5 |
| -4.3 | Round of 32 | POLAND JUNIORS | 1 | 3NT | ♥10 | = | -7 |
| -4.9 | Round of 32 | POLAND JUNIORS | 25 | 5♣x | ♦A | +1 | -10 |
| -5.1 | Round of 32 | POLAND JUNIORS | 7 | 3NT | ♦6 | +2 | -1 |
| -6.0 | Round of 64 | FLEISHER | 23 | 6♦ | ♠J | -1 | -13 |
| -6.9 | Round of 32 | POLAND JUNIORS | 6 | 4♥ | ♣5 | -1 | -10 |
| -7.5 | Round of 32 | POLAND JUNIORS | 2 | 6♥ | ♠Q | = | +0 |
| -9.5 | Round of 32 | POLAND JUNIORS | 9 | 3NT | ♥4 | -1 | -11 |