CHEN Biteng · ZHIHAOLE
vs par split: bidding +0.67 · play -0.24
Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.61/bd
Card play — on target: opening leads 76.9% #36 of 78 · declarer play 83.3% #13 of 78 · defence 71.0% #71 of 78
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 83.3% (6) |
| Declarer play | 75.0% (4) | 85.0% (20) |
| Defence | 61.5% (13) | 77.8% (18) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (2) · ♦ 80.0% (5) · ♣ 66.7% (3)
vs par by strain: NT +0.08 (24) · a suit +0.61 (46)
vs par by level: part-score -0.38 (24) · game +0.33 (39) · slam +3.71 (7)
By role: declaring +1.64/bd (-0.20 vs par · 39) · defending -1.05/bd (+1.23 vs par · 31)
By vulnerability: vulnerable +1.48/bd (+1.40 vs par · 35) · not vulnerable -0.58/bd (-0.54 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Huang | C.Bakke – H.Eide | Closed | 10 | +4.3 | +0.43 | +1.80 |
| Round 3 | Y.Huang | C.Birben – E.Imdat | Closed | 10 | +13.0 | +1.30 | +2.60 |
| Round 4 | Y.Huang | H.Tanabe – K.Kobayashi | Closed | 10 | +1.7 | +0.17 | -1.90 |
| Round 5 | Y.Huang | S.Ekenberg – S.Hult | Closed | 10 | -4.5 | -0.45 | -2.40 |
| Round 6 | Y.Huang | M.Schols – T.Van Den Bos | Closed | 10 | +37.4 | +3.74 | +4.30 |
| Round 7 | Y.Huang | M.Chavarria – G.Percario | Closed | 10 | -26.1 | -2.61 | -1.50 |
| Round 8 | Y.Huang | D.Ramirez – G.Guridi | Open | 10 | +5.6 | +0.56 | +0.10 |
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 2 | NORWAY | 15 | 7♣ | ♦K | -1 | +14 |
| +11.6 | Round 6 | NETHERLANDS RED | 25 | 6♠ | ♥10 | = | +0 |
| +10.8 | Round 3 | NONAME | 23 | 5♣ | ♠K | = | +12 |
| +10.7 | Round 6 | NETHERLANDS RED | 21 | 7♥x | ♦A | = | +10 |
| +10.0 | Round 4 | JAPAN | 1 | 2♠x | ♥10 | = | +9 |
| +8.7 | Round 6 | NETHERLANDS RED | 28 | 5♣x | ♥K | -2 | +9 |
| +7.7 | Round 5 | ZLATAN | 15 | 3NT | ♦10 | = | -2 |
| +7.2 | Round 5 | ZLATAN | 20 | 3NT | ♠9 | +1 | +0 |
| +5.7 | Round 3 | NONAME | 28 | 4♠ | ♦3 | = | +11 |
| +4.5 | Round 4 | JAPAN | 10 | 4♠ | ♥J | +1 | +0 |
| +4.1 | Round 2 | NORWAY | 20 | 5♠ | ♥A | -1 | +12 |
| +3.7 | Round 3 | NONAME | 22 | 1NT | ♦3 | = | +5 |
| +3.6 | Round 8 | SUDAMERICA | 13 | 1NT | ♥5 | +2 | +6 |
| +3.5 | Round 4 | JAPAN | 4 | 4♠ | ♥K | +1 | +0 |
| +3.4 | Round 6 | NETHERLANDS RED | 23 | 1NT | ♠2 | +1 | +0 |
| +3.3 | Round 3 | NONAME | 29 | 3NT | ♠K | -3 | +10 |
| +2.9 | Round 8 | SUDAMERICA | 16 | 2NT | ♣5 | = | -1 |
| +2.7 | Round 6 | NETHERLANDS RED | 29 | 4NT | ♦6 | = | +12 |
| +2.3 | Round 6 | NETHERLANDS RED | 24 | 3NT | ♣2 | +1 | +11 |
| +2.2 | Round 8 | SUDAMERICA | 15 | 3♠ | ♥2 | = | +1 |
| +1.9 | Round 3 | NONAME | 27 | 4♠ | ♥A | +1 | +1 |
| +1.9 | Round 5 | ZLATAN | 17 | 4♠ | ♥Q | +1 | +0 |
| +1.9 | Round 6 | NETHERLANDS RED | 30 | 4♠ | ♥Q | = | +0 |
| +1.9 | Round 7 | ITALIA | 4 | 5♣ | ♥5 | -1 | +3 |
| +1.7 | Round 4 | JAPAN | 7 | 2♥ | ♠2 | +1 | +0 |
| +1.3 | Round 8 | SUDAMERICA | 18 | 4♥ | ♦8 | = | +3 |
| +1.1 | Round 2 | NORWAY | 11 | 5♦ | ♣5 | +1 | +0 |
| +1.1 | Round 4 | JAPAN | 5 | 4♠ | ♣J | = | +1 |
| +1.1 | Round 5 | ZLATAN | 11 | 4♠ | ♥6 | = | +0 |
| +1.0 | Round 3 | NONAME | 30 | 3♠ | ♦K | -1 | +2 |
| +0.9 | Round 7 | ITALIA | 7 | 5♠ | ♦9 | +2 | -12 |
| +0.7 | Round 7 | ITALIA | 9 | 7♥ | ♠3 | = | +0 |
| +0.6 | Round 8 | SUDAMERICA | 19 | 4♠ | ♣9 | +1 | +0 |
| +0.4 | Round 8 | SUDAMERICA | 14 | 2♥ | ♣2 | -2 | +0 |
| +0.3 | Round 5 | ZLATAN | 14 | 4♠ | ♣J | +2 | -11 |
| +0.2 | Round 8 | SUDAMERICA | 11 | 1NT | ♥10 | -2 | +0 |
| +0.1 | Round 5 | ZLATAN | 13 | 1NT | ♦4 | -1 | +1 |
| +0.0 | Round 4 | JAPAN | 6 | 1NT | ♦5 | = | +2 |
| -0.1 | Round 2 | NORWAY | 17 | 4♥ | ♦4 | = | +0 |
| -0.1 | Round 2 | NORWAY | 19 | 1NT | ♥Q | = | -1 |
| -0.1 | Round 8 | SUDAMERICA | 20 | 4♠ | ♥A | +1 | +0 |
| -0.2 | Round 6 | NETHERLANDS RED | 27 | 4♣ | ♥J | -1 | +2 |
| -0.4 | Round 5 | ZLATAN | 19 | 4♠ | ♦2 | +1 | +0 |
| -0.5 | Round 3 | NONAME | 21 | 1NT | ♥5 | -1 | +0 |
| -0.5 | Round 6 | NETHERLANDS RED | 26 | 4♠ | ♣8 | = | +0 |
| -0.8 | Round 7 | ITALIA | 10 | 4♥ | ♠5 | +1 | +0 |
| -0.8 | Round 8 | SUDAMERICA | 12 | 4♥ | ♣K | +1 | -1 |
| -1.5 | Round 2 | NORWAY | 13 | 1NT | ♣10 | -1 | -1 |
| -1.7 | Round 2 | NORWAY | 12 | 3NT | ♦4 | -1 | -3 |
| -1.9 | Round 2 | NORWAY | 18 | 1NT | ♦6 | +1 | -5 |
| -2.2 | Round 3 | NONAME | 24 | 2♦ | ♣K | +1 | -1 |
| -2.3 | Round 3 | NONAME | 25 | 3♠ | ♥6 | = | -1 |
| -2.7 | Round 2 | NORWAY | 14 | 3NT | ♠6 | +1 | +1 |
| -2.9 | Round 4 | JAPAN | 8 | 2♠ | ♦J | +5 | -4 |
| -3.0 | Round 7 | ITALIA | 5 | 3NT | ♠Q | +1 | +0 |
| -3.2 | Round 6 | NETHERLANDS RED | 22 | 4♠ | ♦2 | +2 | -1 |
| -3.3 | Round 7 | ITALIA | 2 | 2♥ | ♠2 | = | -5 |
| -4.1 | Round 4 | JAPAN | 3 | 1NT | ♥5 | +1 | -6 |
| -4.3 | Round 7 | ITALIA | 1 | 6♥ | ♦J | = | +0 |
| -4.3 | Round 7 | ITALIA | 8 | 6♣ | ♥J | = | +2 |
| -4.7 | Round 2 | NORWAY | 16 | 3♠ | ♦A | -2 | +1 |
| -4.7 | Round 8 | SUDAMERICA | 17 | 5♦ | ♠J | -3 | -7 |
| -5.7 | Round 4 | JAPAN | 9 | 1NT | ♣A | = | -13 |
| -6.2 | Round 5 | ZLATAN | 16 | 4♥x | ♥6 | -1 | -6 |
| -6.2 | Round 7 | ITALIA | 6 | 4♠ | ♦6 | = | +0 |
| -6.4 | Round 4 | JAPAN | 2 | 3NT | ♣A | -2 | -8 |
| -6.5 | Round 5 | ZLATAN | 18 | 3NT | ♦K | = | -6 |
| -7.7 | Round 7 | ITALIA | 3 | 5♣x | ♦2 | = | -3 |
| -8.4 | Round 3 | NONAME | 26 | 4♠ | ♦3 | -2 | -13 |
| -9.7 | Round 5 | ZLATAN | 12 | 7NT | ♥Q | = | +0 |