CHEN Yunlong · CHINA OPEN
vs par split: bidding -1.57 · play +0.12
Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.87/bd
Card play — on target: opening leads 90.0% · declarer play 100.0% · defence 84.6%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 85.7% (7) |
| Declarer play | 100.0% (2) | 100.0% (10) |
| Defence | 71.4% (7) | 89.5% (19) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (4) · ♦ 50.0% (2) · ♣ 100.0% (2)
vs par by strain: NT -2.73 (15) · a suit -0.98 (41)
vs par by level: part-score -0.42 (24) · game -2.43 (28) · slam -0.75 (4)
By role: declaring -1.91/bd (-4.20 vs par · 30) · defending +0.12/bd (+1.73 vs par · 26)
By vulnerability: vulnerable -1.64/bd (-1.93 vs par · 28) · not vulnerable -0.29/bd (-0.96 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | J.Zhao | T.Aa – A.Livgard | Closed | 14 | -31.7 | -2.26 | -3.71 |
| Quarterfinal | J.Zhao | A.Arlovich – E.Vainikonis | Open | 14 | +4.2 | +0.30 | +1.93 |
| Semifinal | J.Zhao | K.Kontomitros – T.Koukouselis | Open | 14 | -21.7 | -1.55 | -2.57 |
| Semifinal | J.Zhao | A.Filios – Y.Papakyriakopoulos | Closed | 14 | -5.0 | -0.36 | -1.43 |
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 |
|---|---|---|---|---|---|---|---|
| +10.7 | Semifinal | GREECE | 2 | 5♥ | ♦K | +1 | +8 |
| +9.1 | Quarterfinal | ERA | 13 | 3♣ | ♠Q | -2 | +13 |
| +8.0 | Semifinal | GREECE | 36 | 4♠x | ♥Q | -1 | +5 |
| +5.4 | Quarterfinal | ERA | 14 | 5♦ | ♠A | = | +0 |
| +5.3 | Quarterfinal | ERA | 11 | 5♦ | ♥A | = | +7 |
| +4.0 | Semifinal | GREECE | 37 | 5♠ | ♥A | -1 | +11 |
| +3.5 | Round of 16 | HEIMDAL | 3 | 2♥ | ♠A | -1 | +5 |
| +3.3 | Semifinal | GREECE | 34 | 3NT | ♣5 | = | -1 |
| +3.1 | Round of 16 | HEIMDAL | 5 | 2♠ | ♦A | +3 | -7 |
| +3.0 | Quarterfinal | ERA | 12 | 1NT | ♣J | +2 | +1 |
| +2.7 | Semifinal | GREECE | 6 | 2♦ | ♠2 | -1 | +0 |
| +2.6 | Quarterfinal | ERA | 6 | 3NT | ♠5 | +1 | +1 |
| +2.5 | Round of 16 | HEIMDAL | 4 | 1NT | ♣4 | +1 | +1 |
| +1.7 | Quarterfinal | ERA | 1 | 4♦ | ♥A | -1 | +4 |
| +1.5 | Round of 16 | HEIMDAL | 11 | 4♠ | ♠7 | +1 | +0 |
| +1.3 | Semifinal | GREECE | 4 | 1NT | ♠J | +2 | +1 |
| +1.3 | Semifinal | GREECE | 11 | 1NT | ♥7 | +1 | -1 |
| +1.3 | Semifinal | GREECE | 42 | 2♠ | ♦4 | = | +0 |
| +1.0 | Semifinal | GREECE | 1 | 3♦ | ♣4 | +1 | +0 |
| +0.9 | Round of 16 | HEIMDAL | 7 | 2♠ | ♣5 | = | +0 |
| +0.5 | Round of 16 | HEIMDAL | 9 | 2♠ | ♣3 | +1 | +10 |
| +0.3 | Semifinal | GREECE | 3 | 2♠ | ♣4 | = | +0 |
| +0.3 | Semifinal | GREECE | 5 | 1NT | ♥A | +1 | +1 |
| +0.1 | Quarterfinal | ERA | 8 | 6NT | ♦8 | = | +11 |
| +0.1 | Quarterfinal | ERA | 10 | 2♦ | ♣K | +1 | -1 |
| -0.0 | Semifinal | GREECE | 30 | 4♠ | ♥5 | = | +0 |
| -0.0 | Semifinal | GREECE | 38 | 2♠ | ♦A | = | -6 |
| -0.0 | Semifinal | GREECE | 40 | 4♠ | ♦J | = | +0 |
| -0.1 | Quarterfinal | ERA | 5 | 3NT | ♣2 | +1 | -10 |
| -0.3 | Semifinal | GREECE | 13 | 4♥ | ♣K | = | +0 |
| -0.4 | Round of 16 | HEIMDAL | 6 | 4NT | ♦2 | +2 | -11 |
| -0.6 | Quarterfinal | ERA | 4 | 5♦ | ♥K | = | -1 |
| -0.7 | Semifinal | GREECE | 9 | 5♣ | ♦8 | = | +2 |
| -0.9 | Round of 16 | HEIMDAL | 1 | 5♣ | ♦3 | = | -2 |
| -0.9 | Round of 16 | HEIMDAL | 10 | 1NT | ♣7 | +2 | -1 |
| -0.9 | Round of 16 | HEIMDAL | 13 | 4♦ | ♥K | -1 | -5 |
| -0.9 | Quarterfinal | ERA | 9 | 4♠ | ♣Q | +1 | +0 |
| -1.7 | Semifinal | GREECE | 39 | 3♥ | ♦8 | +2 | -2 |
| -2.0 | Semifinal | GREECE | 10 | 5♦ | ♥K | -2 | -8 |
| -2.3 | Semifinal | GREECE | 35 | 4♥ | ♠6 | -1 | -12 |
| -2.3 | Semifinal | GREECE | 41 | 3♥ | ♦K | -1 | -1 |
| -3.0 | Round of 16 | HEIMDAL | 8 | 3NT | ♠Q | -3 | -6 |
| -3.3 | Semifinal | GREECE | 29 | 4♠ | ♦J | -1 | -4 |
| -3.4 | Quarterfinal | ERA | 2 | 5♦ | ♥A | = | -2 |
| -3.7 | Semifinal | GREECE | 33 | 3♠ | ♥6 | -1 | -8 |
| -4.0 | Semifinal | GREECE | 32 | 3NT | ♠3 | +1 | +0 |
| -4.3 | Semifinal | GREECE | 31 | 4♥ | ♠4 | +2 | -2 |
| -5.3 | Semifinal | GREECE | 8 | 3♥x | ♦A | -2 | -5 |
| -6.1 | Quarterfinal | ERA | 7 | 6♥ | ♣7 | = | +13 |
| -8.0 | Semifinal | GREECE | 7 | 3NT | ♣2 | +1 | -11 |
| -9.7 | Semifinal | GREECE | 14 | 4♥x | ♣A | = | -7 |
| -11.6 | Round of 16 | HEIMDAL | 14 | 6♥ | ♠J | -1 | -14 |
| -12.0 | Quarterfinal | ERA | 3 | 4♠x | ♥4 | -2 | -9 |
| -12.7 | Round of 16 | HEIMDAL | 2 | 6♥ | ♦A | -1 | -13 |
| -13.3 | Round of 16 | HEIMDAL | 12 | 3♥x | ♣J | -3 | -9 |
| -13.3 | Semifinal | GREECE | 12 | 3NT | ♥2 | +3 | -16 |