🇨🇳 ZHUANG Zejun · CHINA LONG ZHU OPEN
43rank
-111.3Butler · 112 bds
-0.99per board
±5.3swing
-0.21vs par /bd
-0.95adjusted /bd
by round
vs par split: bidding -0.60 · play +0.44
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.95/bd
Card play — on target: opening leads 85.2% · declarer play 83.3% · defence 88.1%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 85.2% (27) |
| Declarer play | · | 83.3% (18) |
| Defence | · | 88.1% (42) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 77.8% (9) · ♦ 100.0% (7) · ♣ 100.0% (7)
vs par by strain: a suit -0.17 (82)
vs par by level: part-score +0.93 (29) · game -1.03 (39) · slam -0.07 (14)
By role: declaring -1.11/bd (-3.16 vs par · 51) · defending -0.90/bd (+2.25 vs par · 61)
By vulnerability: vulnerable -0.62/bd (+0.48 vs par · 56) · not vulnerable -1.36/bd (-0.91 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | W.Wang | E.Lindqvist – B.Brogeland | Open | 16 | +12.7 | +0.79 | +1.06 |
| Quarterfinal | W.Wang | B.Brogeland – E.Lindqvist | Open | 16 | +28.8 | +1.80 | -0.69 |
| Quarterfinal | W.Wang | B.Brogeland – E.Lindqvist | Open | 16 | -21.8 | -1.36 | -1.31 |
| Semifinal | W.Wang | E.Rodwell – J.Meckstroth | Open | 16 | -3.1 | -0.19 | +0.75 |
| Semifinal | W.Wang | B.Hamman – Z.Mahmood | Open | 16 | -54.6 | -3.41 | -1.31 |
| Semifinal | W.Wang | E.Rodwell – J.Meckstroth | Open | 16 | -35.3 | -2.21 | -1.06 |
| Play-off | W.Wang | G.Karakolev – D.Danailov | Closed | 16 | -38.0 | -2.38 | +1.06 |
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 |
|---|---|---|---|---|---|---|---|
| +15.0 | Play-off | 🇧🇬 BULGARIA | 20 | 4♠x | ♦4 | -2 | +15 |
| +11.1 | Quarterfinal | 🇳🇴 NORWAY | 36 | 4♠ | ♣A | = | +10 |
| +11.0 | Quarterfinal | 🇳🇴 NORWAY | 8 | 4♥ | ♣5 | -2 | +11 |
| +11.0 | Play-off | 🇧🇬 BULGARIA | 19 | 6♥ | ♣4 | -1 | +11 |
| +7.3 | Quarterfinal | 🇳🇴 NORWAY | 58 | 6♠ | ♦2 | -2 | +14 |
| +6.6 | Quarterfinal | 🇳🇴 NORWAY | 39 | 3N | ♥2 | -3 | +9 |
| +6.3 | Quarterfinal | 🇳🇴 NORWAY | 38 | 4♠ | ♠6 | +2 | -11 |
| +6.0 | Quarterfinal | 🇳🇴 NORWAY | 15 | 5♣ | ♠A | +1 | +13 |
| +5.7 | Semifinal | 🇺🇸 USA 2 | 4 | 2♣ | ♥Q | = | +0 |
| +5.6 | Quarterfinal | 🇳🇴 NORWAY | 34 | 6♠ | ♦K | = | +0 |
| +5.4 | Quarterfinal | 🇳🇴 NORWAY | 7 | 6♠ | ♥5 | -1 | +13 |
| +5.0 | Quarterfinal | 🇳🇴 NORWAY | 6 | 3♣ | ♥7 | = | +0 |
| +4.7 | Quarterfinal | 🇳🇴 NORWAY | 43 | 2♥ | ♦6 | +1 | +6 |
| +4.7 | Quarterfinal | 🇳🇴 NORWAY | 47 | 6♣x | ♠A | -2 | -2 |
| +4.6 | Quarterfinal | 🇳🇴 NORWAY | 44 | 2♥ | ♦Q | +2 | +6 |
| +4.4 | Quarterfinal | 🇳🇴 NORWAY | 52 | 3N | ♠3 | -3 | +10 |
| +4.3 | Semifinal | 🇺🇸 USA 2 | 6 | 6♠ | ♥T | = | +0 |
| +4.3 | Semifinal | 🇺🇸 USA 2 | 12 | 6♥ | ♦6 | +1 | +1 |
| +4.3 | Semifinal | 🇺🇸 USA 2 | 78 | 4♣ | ♦K | = | +0 |
| +4.1 | Quarterfinal | 🇳🇴 NORWAY | 53 | 3♠ | ♣8 | -2 | -1 |
| +4.0 | Play-off | 🇧🇬 BULGARIA | 31 | 2♠ | ♣2 | = | +0 |
| +3.9 | Quarterfinal | 🇳🇴 NORWAY | 16 | 2♠ | ♦9 | = | +6 |
| +3.7 | Semifinal | 🇺🇸 USA 2 | 19 | 3N | ♠3 | -2 | +6 |
| +3.3 | Semifinal | 🇺🇸 USA 2 | 13 | 4♠ | ♣T | +2 | +13 |
| +2.7 | Semifinal | 🇺🇸 USA 2 | 2 | 3♥ | ♠A | = | +8 |
| +2.7 | Semifinal | 🇺🇸 USA 2 | 22 | 3♥ | ♥5 | = | +0 |
| +2.7 | Semifinal | 🇺🇸 USA 2 | 67 | 3Nx | ♥A | -1 | -5 |
| +2.3 | Semifinal | 🇺🇸 USA 2 | 71 | 4♠ | ♥5 | = | +13 |
| +1.9 | Quarterfinal | 🇳🇴 NORWAY | 46 | 6♠ | ♥K | = | +0 |
| +1.7 | Quarterfinal | 🇳🇴 NORWAY | 51 | 3N | ♠5 | = | -1 |
| +1.3 | Quarterfinal | 🇳🇴 NORWAY | 3 | 3N | ♥J | = | +0 |
| +1.3 | Semifinal | 🇺🇸 USA 2 | 29 | 2N | ♥J | = | +14 |
| +1.3 | Semifinal | 🇺🇸 USA 2 | 69 | 2♥ | ♠J | -1 | -1 |
| +1.0 | Play-off | 🇧🇬 BULGARIA | 17 | 3N | ♣4 | +3 | -11 |
| +0.9 | Quarterfinal | 🇳🇴 NORWAY | 64 | 2♣ | ♥K | -1 | +0 |
| +0.7 | Quarterfinal | 🇳🇴 NORWAY | 1 | 4♠ | ♣K | -1 | +5 |
| +0.7 | Semifinal | 🇺🇸 USA 2 | 1 | 4♥ | ♠Q | +1 | +0 |
| +0.3 | Quarterfinal | 🇳🇴 NORWAY | 40 | 4♥ | ♦A | -1 | +5 |
| +0.3 | Semifinal | 🇺🇸 USA 2 | 3 | 4♥ | ♣J | = | +0 |
| +0.3 | Semifinal | 🇺🇸 USA 2 | 8 | 3N | ♥7 | +1 | -1 |
| +0.3 | Semifinal | 🇺🇸 USA 2 | 18 | 3N | ♥2 | +1 | +1 |
| +0.3 | Semifinal | 🇺🇸 USA 2 | 26 | 4♠ | ♠5 | -1 | -5 |
| -0.0 | Quarterfinal | 🇳🇴 NORWAY | 9 | 3N | ♥4 | +2 | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 41 | 2♦ | ♦2 | +2 | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 49 | 6♠ | ♣A | = | +0 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 55 | 5♣ | ♥K | +1 | -1 |
| +0.0 | Quarterfinal | 🇳🇴 NORWAY | 61 | 1N | ♣K | -1 | +0 |
| -0.0 | Semifinal | 🇺🇸 USA 2 | 9 | 4♥ | ♣A | = | +0 |
| -0.0 | Semifinal | 🇺🇸 USA 2 | 16 | 3N | ♦6 | = | +10 |
| -0.0 | Semifinal | 🇺🇸 USA 2 | 27 | 4♠ | ♥K | = | +3 |
| -0.0 | Semifinal | 🇺🇸 USA 2 | 68 | 3N | ♥5 | +1 | +0 |
| -0.0 | Semifinal | 🇺🇸 USA 2 | 72 | 3♠ | ♥3 | -1 | +3 |
| -0.0 | Play-off | 🇧🇬 BULGARIA | 23 | 3N | ♦6 | +2 | +0 |
| -0.0 | Play-off | 🇧🇬 BULGARIA | 28 | 2♥ | ♦Q | +1 | +6 |
| -0.3 | Semifinal | 🇺🇸 USA 2 | 77 | 3♦ | ♥3 | = | +11 |
| -0.4 | Quarterfinal | 🇳🇴 NORWAY | 11 | 4♥ | ♠A | = | -1 |
| -0.4 | Quarterfinal | 🇳🇴 NORWAY | 48 | 2N | ♦7 | = | +1 |
| -0.4 | Quarterfinal | 🇳🇴 NORWAY | 54 | 4♥ | = | -1 | |
| -0.6 | Quarterfinal | 🇳🇴 NORWAY | 2 | 4♥ | ♥4 | = | +0 |
| -0.7 | Semifinal | 🇺🇸 USA 2 | 7 | 5♦x | ♠2 | -1 | -9 |
| -1.0 | Semifinal | 🇺🇸 USA 2 | 76 | 2♠ | ♣A | = | +0 |
| -1.0 | Play-off | 🇧🇬 BULGARIA | 18 | 2♠ | ♥K | +3 | +7 |
| -1.0 | Play-off | 🇧🇬 BULGARIA | 21 | 4♥ | ♠7 | +1 | -4 |
| -1.1 | Quarterfinal | 🇳🇴 NORWAY | 59 | 4N | ♦3 | +1 | +0 |
| -1.3 | Quarterfinal | 🇳🇴 NORWAY | 5 | 3N | ♣2 | +1 | +1 |
| -1.3 | Semifinal | 🇺🇸 USA 2 | 17 | 4♥ | ♣T | -2 | +0 |
| -1.3 | Semifinal | 🇺🇸 USA 2 | 24 | 3♣ | ♦A | +1 | +7 |
| -1.3 | Semifinal | 🇺🇸 USA 2 | 70 | 3N | ♠6 | -1 | +10 |
| -1.6 | Quarterfinal | 🇳🇴 NORWAY | 14 | 3N | ♦A | -1 | -8 |
| -1.6 | Quarterfinal | 🇳🇴 NORWAY | 42 | 4♠ | ♣A | -1 | -6 |
| -1.9 | Quarterfinal | 🇳🇴 NORWAY | 13 | 2♠ | ♠3 | = | +1 |
| -1.9 | Quarterfinal | 🇳🇴 NORWAY | 37 | 3N | ♣T | +1 | +0 |
| -2.0 | Quarterfinal | 🇳🇴 NORWAY | 12 | 4♠ | ♦3 | -1 | -5 |
| -2.0 | Semifinal | 🇺🇸 USA 2 | 23 | 3♦ | ♠K | = | +0 |
| -2.0 | Play-off | 🇧🇬 BULGARIA | 24 | 4♠ | ♣3 | -1 | +13 |
| -2.3 | Semifinal | 🇺🇸 USA 2 | 15 | 4♠ | ♣7 | = | +0 |
| -2.7 | Semifinal | 🇺🇸 USA 2 | 11 | 6♣ | ♥3 | = | +0 |
| -2.9 | Quarterfinal | 🇳🇴 NORWAY | 56 | 2♦ | ♣J | +3 | -7 |
| -3.0 | Semifinal | 🇺🇸 USA 2 | 75 | 3N | ♥4 | = | +1 |
| -3.1 | Quarterfinal | 🇳🇴 NORWAY | 45 | 5♣ | ♦7 | +1 | -13 |
| -3.1 | Quarterfinal | 🇳🇴 NORWAY | 50 | 5♦ | ♥T | = | +1 |
| -3.4 | Quarterfinal | 🇳🇴 NORWAY | 4 | 4♠ | ♥4 | -3 | -4 |
| -3.6 | Quarterfinal | 🇳🇴 NORWAY | 35 | 2N | ♥9 | +2 | -2 |
| -3.7 | Semifinal | 🇺🇸 USA 2 | 32 | 2♠ | ♦9 | -1 | +0 |
| -3.7 | Semifinal | 🇺🇸 USA 2 | 65 | 5♣ | ♠A | +1 | -14 |
| -4.0 | Semifinal | 🇺🇸 USA 2 | 66 | 3N | ♥3 | = | +1 |
| -4.0 | Semifinal | 🇺🇸 USA 2 | 79 | 4♠ | ♣7 | +1 | -1 |
| -4.9 | Quarterfinal | 🇳🇴 NORWAY | 62 | 6♣ | ♥J | +1 | -11 |
| -5.0 | Semifinal | 🇺🇸 USA 2 | 74 | 4♠ | ♥J | +1 | -11 |
| -5.1 | Quarterfinal | 🇳🇴 NORWAY | 57 | 4♠ | ♦4 | = | -3 |
| -5.3 | Semifinal | 🇺🇸 USA 2 | 10 | 2♦ | ♥2 | +1 | +0 |
| -5.7 | Semifinal | 🇺🇸 USA 2 | 14 | 4♥ | ♦Q | = | -7 |
| -6.0 | Play-off | 🇧🇬 BULGARIA | 22 | 2♠ | ♣4 | +2 | -1 |
| -6.4 | Quarterfinal | 🇳🇴 NORWAY | 33 | 5♦ | ♣K | +1 | -14 |
| -7.0 | Semifinal | 🇺🇸 USA 2 | 31 | 3N | ♥5 | -2 | -11 |
| -7.0 | Play-off | 🇧🇬 BULGARIA | 29 | 4♦ | ♥A | -2 | +8 |
| -8.0 | Semifinal | 🇺🇸 USA 2 | 5 | 4♥ | ♦J | = | -3 |
| -8.7 | Semifinal | 🇺🇸 USA 2 | 21 | 3N | ♠J | +2 | +0 |
| -9.0 | Play-off | 🇧🇬 BULGARIA | 26 | 5♣ | ♦A | -3 | -5 |
| -9.3 | Semifinal | 🇺🇸 USA 2 | 20 | 3♥ | ♦5 | -2 | -10 |
| -9.3 | Semifinal | 🇺🇸 USA 2 | 30 | 3Nx | ♠K | -3 | -8 |
| -9.4 | Quarterfinal | 🇳🇴 NORWAY | 10 | 6♠ | ♥5 | -1 | -15 |
| -10.0 | Semifinal | 🇺🇸 USA 2 | 28 | 3N | ♦3 | = | -10 |
| -10.0 | Play-off | 🇧🇬 BULGARIA | 32 | 4♦ | ♣K | +1 | -10 |
| -10.3 | Semifinal | 🇺🇸 USA 2 | 25 | 4♠x | ♣K | -1 | -8 |
| -10.6 | Quarterfinal | 🇳🇴 NORWAY | 60 | 4♥x | ♦6 | -3 | -12 |
| -11.0 | Play-off | 🇧🇬 BULGARIA | 25 | 6♦ | ♣K | = | -3 |
| -11.0 | Play-off | 🇧🇬 BULGARIA | 27 | 5♦x | ♣A | = | -4 |
| -11.0 | Play-off | 🇧🇬 BULGARIA | 30 | 3N | ♥5 | -1 | -5 |
| -11.3 | Semifinal | 🇺🇸 USA 2 | 80 | 3♣x | ♠5 | = | -12 |
| -12.1 | Quarterfinal | 🇳🇴 NORWAY | 63 | 6♣ | ♣T | -1 | -9 |
| -12.3 | Semifinal | 🇺🇸 USA 2 | 73 | 3N | ♥6 | -1 | -12 |