CHEN Xinyi · DONGFENG FENGSHEN
vs par split: bidding -0.54 · play +0.25
Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted -0.28/bd
Card play — on target: opening leads 60.0% · declarer play 66.7% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (1) | 75.0% (4) |
| Declarer play | 66.7% (6) | 66.7% (12) |
| Defence | 100.0% (4) | 100.0% (10) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 100.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT -0.06 (18) · a suit -0.40 (38)
vs par by level: part-score +1.58 (24) · game -2.79 (28) · slam +6.00 (4)
By role: declaring -0.10/bd (-1.12 vs par · 42) · defending -1.24/bd (+2.21 vs par · 14)
By vulnerability: vulnerable -0.25/bd (+0.00 vs par · 28) · not vulnerable -0.52/bd (-0.57 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | S.Liu | A.Arlovich – E.Vainikonis | Open | 14 | +12.8 | +0.91 | -0.79 |
| Round of 32 | S.Liu | K.Araszkiewicz – K.Kotorowicz | Open | 14 | -7.7 | -0.55 | +0.43 |
| Round of 16 | S.Liu | G.Xin – H.Jiang | Closed | 14 | -8.7 | -0.62 | -1.21 |
| Round of 16 | S.Liu | G.Xin – H.Jiang | Closed | 14 | -17.9 | -1.28 | +0.43 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round of 16 | SAN CHEN FUND | 11 | 6♠ | ♥A | = | +11 |
| +6.5 | Round of 16 | SAN CHEN FUND | 26 | 2NT | ♦3 | +1 | +7 |
| +5.3 | Round of 16 | SAN CHEN FUND | 16 | 3NT | ♣9 | = | +10 |
| +4.2 | Round of 32 | BRIDGESCANNER | 16 | 2♥ | ♦K | -1 | +5 |
| +4.0 | Round of 16 | SAN CHEN FUND | 7 | 3♠ | ♥6 | = | +0 |
| +3.8 | Round of 32 | BRIDGESCANNER | 19 | 3NT | ♣5 | +3 | +1 |
| +3.6 | Round of 32 | BRIDGESCANNER | 17 | 4♠ | ♥2 | +1 | +0 |
| +3.6 | Round of 16 | SAN CHEN FUND | 5 | 3♦ | ♥5 | = | +5 |
| +2.4 | Round of 32 | BRIDGESCANNER | 13 | 1NT | ♥2 | = | -1 |
| +2.4 | Round of 32 | BRIDGESCANNER | 14 | 3NT | ♠10 | +2 | +1 |
| +2.2 | Round of 32 | BRIDGESCANNER | 9 | 1♠ | ♦5 | +2 | +1 |
| +2.2 | Round of 32 | BRIDGESCANNER | 18 | 2NT | ♦4 | +1 | +1 |
| +1.8 | Round of 16 | SAN CHEN FUND | 22 | 2♥ | ♦Q | = | +5 |
| +1.7 | Round of 32 | BRIDGESCANNER | 11 | 6NT | ♣J | = | +0 |
| +1.6 | Round of 32 | BRIDGESCANNER | 2 | 3♥ | ♦6 | -1 | +12 |
| +1.5 | Round of 32 | BRIDGESCANNER | 7 | 4♥ | ♣6 | = | -1 |
| +1.2 | Round of 32 | BRIDGESCANNER | 6 | 2♦ | ♥K | = | +1 |
| +1.2 | Round of 32 | BRIDGESCANNER | 12 | 3♦ | ♠7 | = | +0 |
| +0.9 | Round of 16 | SAN CHEN FUND | 14 | 4♥ | ♦A | +2 | -8 |
| +0.7 | Round of 32 | BRIDGESCANNER | 21 | 2♥ | ♦K | = | +1 |
| +0.7 | Round of 16 | SAN CHEN FUND | 3 | 2♥ | ♣5 | +1 | +1 |
| +0.6 | Round of 16 | SAN CHEN FUND | 27 | 3♣ | ♠Q | -1 | +4 |
| +0.5 | Round of 32 | BRIDGESCANNER | 15 | 4♠ | ♣5 | = | +0 |
| +0.5 | Round of 32 | BRIDGESCANNER | 22 | 5♣ | ♠6 | = | +1 |
| +0.4 | Round of 32 | BRIDGESCANNER | 1 | 4♥ | ♦10 | +1 | +0 |
| +0.4 | Round of 32 | BRIDGESCANNER | 8 | 4♠ | ♥8 | +1 | -11 |
| +0.2 | Round of 32 | BRIDGESCANNER | 27 | 3NT | ♥5 | = | +1 |
| +0.1 | Round of 32 | BRIDGESCANNER | 10 | 1NT | ♠K | = | -1 |
| +0.1 | Round of 32 | BRIDGESCANNER | 20 | 4♠ | ♠5 | = | +0 |
| +0.1 | Round of 16 | SAN CHEN FUND | 28 | 2♠ | ♦Q | +1 | +0 |
| -0.0 | Round of 32 | BRIDGESCANNER | 4 | 2♠ | ♣J | -1 | +5 |
| +0.0 | Round of 32 | BRIDGESCANNER | 5 | 4♠ | ♦Q | = | +0 |
| -0.3 | Round of 16 | SAN CHEN FUND | 4 | 4♠ | ♦Q | = | +3 |
| -0.6 | Round of 16 | SAN CHEN FUND | 8 | 4♠ | ♥3 | +1 | +0 |
| -0.6 | Round of 16 | SAN CHEN FUND | 23 | 3♠ | ♦A | -1 | +1 |
| -1.2 | Round of 16 | SAN CHEN FUND | 18 | 3NT | ♠8 | = | +0 |
| -1.3 | Round of 16 | SAN CHEN FUND | 17 | 2♠ | ♥10 | -4 | -2 |
| -1.7 | Round of 16 | SAN CHEN FUND | 20 | 1NT | ♣4 | -2 | -3 |
| -1.9 | Round of 16 | SAN CHEN FUND | 19 | 5♣ | ♠3 | = | +0 |
| -2.0 | Round of 16 | SAN CHEN FUND | 9 | 1NT | ♥6 | -2 | -2 |
| -2.1 | Round of 16 | SAN CHEN FUND | 6 | 1NT | ♥7 | -2 | -2 |
| -2.2 | Round of 32 | BRIDGESCANNER | 25 | 3♥ | ♦9 | = | +0 |
| -2.2 | Round of 16 | SAN CHEN FUND | 2 | 2♠ | ♥K | -2 | +0 |
| -2.3 | Round of 32 | BRIDGESCANNER | 3 | 3NT | ♣10 | +4 | -17 |
| -2.6 | Round of 32 | BRIDGESCANNER | 26 | 6NT | ♣J | = | +13 |
| -3.1 | Round of 32 | BRIDGESCANNER | 23 | 6♠ | ♦5 | = | +0 |
| -3.8 | Round of 16 | SAN CHEN FUND | 21 | 3NT | ♠7 | -2 | -5 |
| -4.1 | Round of 16 | SAN CHEN FUND | 12 | 4♠x | ♥A | -3 | -5 |
| -4.5 | Round of 16 | SAN CHEN FUND | 1 | 4♥x | ♠J | -2 | -5 |
| -4.6 | Round of 16 | SAN CHEN FUND | 24 | 4♥ | ♠K | = | -1 |
| -5.0 | Round of 32 | BRIDGESCANNER | 28 | 4♠ | ♥5 | -2 | -5 |
| -6.3 | Round of 16 | SAN CHEN FUND | 10 | 3NT | ♥8 | -1 | -6 |
| -6.9 | Round of 16 | SAN CHEN FUND | 13 | 5♥ | ♠2 | +1 | -9 |
| -7.9 | Round of 16 | SAN CHEN FUND | 15 | 3NT | ♠5 | = | +2 |
| -9.2 | Round of 16 | SAN CHEN FUND | 25 | 4♥ | ♣2 | -1 | -12 |
| -10.6 | Round of 32 | BRIDGESCANNER | 24 | 4♠x | ♣K | -3 | -12 |