🇨🇳 ZHUANG Zejun · CHINA
17rank
+4.0Butler · 80 bds
+0.05per board
±5.2swing
+0.55vs par /bd
-0.04adjusted /bd
by round
vs par split: bidding +0.34 · play +0.21
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted -0.04/bd
Card play — on target: opening leads 90.5% · declarer play 77.8% · defence 84.6%
Bidding activity — not a pass: 47.9% (113/236)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 88.9% (18) |
| Declarer play | 100.0% (6) | 66.7% (12) |
| Defence | 66.7% (6) | 87.9% (33) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 66.7% (3) · ♦ 100.0% (8) · ♣ 75.0% (4)
vs par by strain: NT -1.67 (15) · a suit +1.06 (65)
vs par by level: part-score -0.26 (31) · game +1.44 (43) · slam -1.67 (6)
By role: declaring +0.15/bd (-1.34 vs par · 41) · defending -0.05/bd (+2.54 vs par · 39)
By vulnerability: vulnerable -0.52/bd (+0.03 vs par · 40) · not vulnerable +0.62/bd (+1.07 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Liu | G.Helgemo – T.Grude | Closed | 16 | +12.3 | +0.77 | +0.19 |
| Quarterfinal | J.Liu | G.Helgemo – T.Grude | Closed | 16 | -5.1 | -0.32 | +1.44 |
| Quarterfinal | J.Liu | G.Helgemo – T.Grude | Closed | 16 | +11.7 | +0.73 | +1.56 |
| Quarterfinal | J.Liu | T.Aa – A.Livgard | Closed | 16 | -29.3 | -1.83 | -1.56 |
| Quarterfinal | J.Liu | B.Brogeland – C.Bakke | Closed | 16 | +14.4 | +0.90 | +1.12 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Quarterfinal | 🇳🇴 NORWAY | 50 | 4♠x | ♦A | -4 | +5 |
| +10.1 | Quarterfinal | 🇳🇴 NORWAY | 59 | 3NT | ♠4 | -3 | +12 |
| +8.6 | Quarterfinal | 🇳🇴 NORWAY | 25 | 3NT | ♣2 | = | +11 |
| +8.1 | Quarterfinal | 🇳🇴 NORWAY | 71 | 6♠x | ♣A | -3 | +7 |
| +8.1 | Quarterfinal | 🇳🇴 NORWAY | 78 | 2♦xx | ♥2 | -3 | +11 |
| +8.0 | Quarterfinal | 🇳🇴 NORWAY | 86 | 4♠ | ♠Q | = | +0 |
| +7.9 | Quarterfinal | 🇳🇴 NORWAY | 41 | 2♠ | ♠5 | -3 | +9 |
| +7.1 | Quarterfinal | 🇳🇴 NORWAY | 40 | 4♠ | ♦4 | -2 | +11 |
| +7.0 | Quarterfinal | 🇳🇴 NORWAY | 34 | 4♥ | ♣J | -1 | +11 |
| +6.7 | Quarterfinal | 🇳🇴 NORWAY | 36 | 5♦ | ♠J | = | +10 |
| +6.0 | Quarterfinal | 🇳🇴 NORWAY | 94 | 4♣ | ♠2 | = | +1 |
| +5.6 | Quarterfinal | 🇳🇴 NORWAY | 18 | 4♠ | ♥K | = | -1 |
| +5.3 | Quarterfinal | 🇳🇴 NORWAY | 51 | 3NT | ♥2 | = | -1 |
| +4.9 | Quarterfinal | 🇳🇴 NORWAY | 57 | 2♥ | ♣A | +2 | +10 |
| +4.4 | Quarterfinal | 🇳🇴 NORWAY | 90 | 5♦ | ♠T | = | +13 |
| +4.3 | Quarterfinal | 🇳🇴 NORWAY | 82 | 5♦ | ♠5 | +2 | +10 |
| +3.4 | Quarterfinal | 🇳🇴 NORWAY | 95 | 4♠ | ♥A | = | +3 |
| +3.1 | Quarterfinal | 🇳🇴 NORWAY | 19 | 3♠ | ♦Q | -2 | +7 |
| +2.7 | Quarterfinal | 🇳🇴 NORWAY | 91 | 4♥ | ♦A | +2 | +11 |
| +2.3 | Quarterfinal | 🇳🇴 NORWAY | 54 | 3♠ | ♥8 | -1 | +5 |
| +2.3 | Quarterfinal | 🇳🇴 NORWAY | 70 | 3♣ | ♠2 | -2 | +3 |
| +2.1 | Quarterfinal | 🇳🇴 NORWAY | 43 | 4♠ | ♥A | -2 | +8 |
| +2.1 | Quarterfinal | 🇳🇴 NORWAY | 65 | 5♥ | ♠A | = | +0 |
| +2.1 | Quarterfinal | 🇳🇴 NORWAY | 66 | 5♣ | ♦6 | -3 | +11 |
| +2.0 | Quarterfinal | 🇳🇴 NORWAY | 39 | 4♠ | ♦A | = | +0 |
| +1.9 | Quarterfinal | 🇳🇴 NORWAY | 26 | 3♥ | ♣7 | = | +0 |
| +1.9 | Quarterfinal | 🇳🇴 NORWAY | 27 | 5♠ | ♥A | = | -11 |
| +1.7 | Quarterfinal | 🇳🇴 NORWAY | 24 | 4♥ | ♦A | -1 | +10 |
| +1.7 | Quarterfinal | 🇳🇴 NORWAY | 44 | 3♦ | ♠A | = | +0 |
| +1.7 | Quarterfinal | 🇳🇴 NORWAY | 81 | 1NT | ♠2 | +1 | +0 |
| +1.6 | Quarterfinal | 🇳🇴 NORWAY | 62 | 4♠ | ♥4 | -1 | +5 |
| +1.4 | Quarterfinal | 🇳🇴 NORWAY | 23 | 2♦ | ♦9 | = | -1 |
| +1.4 | Quarterfinal | 🇳🇴 NORWAY | 85 | 2♠ | ♠9 | = | +0 |
| +1.3 | Quarterfinal | 🇳🇴 NORWAY | 52 | 5♦ | ♣Q | = | +2 |
| +1.3 | Quarterfinal | 🇳🇴 NORWAY | 87 | 2♣x | ♦J | -2 | +9 |
| +1.3 | Quarterfinal | 🇳🇴 NORWAY | 92 | 2♦ | ♣K | +1 | +0 |
| +0.9 | Quarterfinal | 🇳🇴 NORWAY | 28 | 4♥ | ♦6 | -1 | +5 |
| +0.9 | Quarterfinal | 🇳🇴 NORWAY | 84 | 3♣ | ♦2 | +1 | +0 |
| +0.7 | Quarterfinal | 🇳🇴 NORWAY | 29 | 3♣ | ♥6 | = | -10 |
| +0.4 | Quarterfinal | 🇳🇴 NORWAY | 38 | 2♥ | ♠A | +1 | +0 |
| +0.4 | Quarterfinal | 🇳🇴 NORWAY | 63 | 3NT | ♠3 | +1 | +1 |
| +0.3 | Quarterfinal | 🇳🇴 NORWAY | 32 | 1NT | ♦3 | +1 | -1 |
| +0.3 | Quarterfinal | 🇳🇴 NORWAY | 73 | 3NT | ♠9 | +2 | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 53 | 4♥ | ♣3 | +1 | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 77 | 4♥ | ♦K | +1 | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 83 | 4♥ | ♦6 | +1 | +0 |
| -0.1 | Quarterfinal | 🇳🇴 NORWAY | 30 | 4♥ | ♦J | = | -1 |
| -0.1 | Quarterfinal | 🇳🇴 NORWAY | 42 | 2♣ | ♥2 | = | +1 |
| -0.6 | Quarterfinal | 🇳🇴 NORWAY | 61 | 1NT | ♦2 | -1 | -5 |
| -0.7 | Quarterfinal | 🇳🇴 NORWAY | 47 | 4♥ | ♦T | = | +0 |
| -1.4 | Quarterfinal | 🇳🇴 NORWAY | 21 | 6♥ | ♦Q | = | +0 |
| -1.6 | Quarterfinal | 🇳🇴 NORWAY | 35 | 3NT | ♦4 | = | +1 |
| -1.6 | Quarterfinal | 🇳🇴 NORWAY | 72 | 6♦ | ♥3 | = | +0 |
| -1.7 | Quarterfinal | 🇳🇴 NORWAY | 20 | 6♥x | ♦K | -3 | +7 |
| -1.7 | Quarterfinal | 🇳🇴 NORWAY | 49 | 4♠ | ♥4 | +1 | +11 |
| -1.7 | Quarterfinal | 🇳🇴 NORWAY | 69 | 3♦ | ♥J | = | +0 |
| -1.7 | Quarterfinal | 🇳🇴 NORWAY | 96 | 2♠ | ♦K | = | -1 |
| -1.9 | Quarterfinal | 🇳🇴 NORWAY | 22 | 1NT | ♦8 | +2 | -1 |
| -2.1 | Quarterfinal | 🇳🇴 NORWAY | 60 | 3♣ | ♥9 | -1 | -2 |
| -2.1 | Quarterfinal | 🇳🇴 NORWAY | 67 | 4♠ | ♦7 | -1 | -5 |
| -2.3 | Quarterfinal | 🇳🇴 NORWAY | 68 | 4♠ | ♣A | -3 | -4 |
| -2.3 | Quarterfinal | 🇳🇴 NORWAY | 88 | 3♣ | ♠A | -1 | -4 |
| -2.4 | Quarterfinal | 🇳🇴 NORWAY | 55 | 4♠ | ♦3 | -1 | +1 |
| -3.3 | Quarterfinal | 🇳🇴 NORWAY | 31 | 2♣ | ♠5 | = | -5 |
| -3.6 | Quarterfinal | 🇳🇴 NORWAY | 46 | 1NT | ♠2 | +1 | -6 |
| -4.0 | Quarterfinal | 🇳🇴 NORWAY | 89 | 3NT | ♦2 | +2 | -11 |
| -4.6 | Quarterfinal | 🇳🇴 NORWAY | 48 | 4♥ | ♦8 | = | +0 |
| -4.6 | Quarterfinal | 🇳🇴 NORWAY | 80 | 3♥ | ♣7 | = | -7 |
| -5.3 | Quarterfinal | 🇳🇴 NORWAY | 64 | 5♦x | ♣K | -1 | -7 |
| -5.4 | Quarterfinal | 🇳🇴 NORWAY | 17 | 2NT | ♣6 | -2 | -6 |
| -6.0 | Quarterfinal | 🇳🇴 NORWAY | 56 | 5♥ | ♠K | = | -8 |
| -7.4 | Quarterfinal | 🇳🇴 NORWAY | 76 | 3NTx | ♣2 | -1 | -8 |
| -7.7 | Quarterfinal | 🇳🇴 NORWAY | 58 | 4♦ | ♦J | -3 | -4 |
| -8.1 | Quarterfinal | 🇳🇴 NORWAY | 33 | 4♥ | ♣A | +1 | -4 |
| -8.9 | Quarterfinal | 🇳🇴 NORWAY | 45 | 4♠x | ♣A | = | -7 |
| -9.0 | Quarterfinal | 🇳🇴 NORWAY | 75 | 4♠x | ♦K | -3 | -9 |
| -11.0 | Quarterfinal | 🇳🇴 NORWAY | 79 | 1NTx | ♣Q | -1 | -11 |
| -12.4 | Quarterfinal | 🇳🇴 NORWAY | 37 | 6♥ | ♥5 | = | -11 |
| -12.6 | Quarterfinal | 🇳🇴 NORWAY | 74 | 4♥ | ♣5 | = | -13 |
| -13.0 | Quarterfinal | 🇳🇴 NORWAY | 93 | 6♠ | ♥5 | -1 | -13 |