CHEN Yichao · LUCKY SEVEN
vs par split: bidding -0.91 · play +1.04
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted +0.49/bd
Card play — on target: opening leads 88.9% #88 of 398 · declarer play 83.3% #95 of 398 · defence 96.4% #19 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 88.9% (9) |
| Declarer play | 60.0% (5) | 100.0% (7) |
| Defence | 100.0% (4) | 95.8% (24) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (4) · ♣ 66.7% (3)
vs par by strain: NT -4.00 (14) · a suit +1.54 (41)
vs par by level: part-score +0.67 (18) · game +0.12 (32) · slam -1.80 (5)
By role: declaring +0.95/bd (-2.21 vs par · 28) · defending +0.27/bd (+2.36 vs par · 28)
By vulnerability: vulnerable +1.59/bd (+0.29 vs par · 28) · not vulnerable -0.38/bd (-0.14 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Zhang | X.Chen – H.Zheng | Closed | 7 | -7.0 | -1.00 | -2.29 |
| Round 2 | X.Zhang | C.Chan – F.Cheung L. | Closed | 7 | +3.8 | +0.54 | +0.43 |
| Round 3 | X.Zhang | E.Saelensminde – A.Fuglestad | Closed | 7 | +5.4 | +0.77 | +0.29 |
| Round 4 | X.Zhang | X.Gan – X.He | Closed | 7 | +20.7 | +2.96 | +3.57 |
| Round 5 | X.Zhang | J.Li – X.Chen | Closed | 7 | +17.5 | +2.50 | +3.00 |
| Round 6 | X.Zhang | L.Lei – H.Ying | Open | 7 | -10.0 | -1.43 | -0.14 |
| Round 7 | X.Zhang | F.Fantoni – D.Compton | Closed | 7 | +17.1 | +2.44 | -0.71 |
| Round 8 | X.Zhang | R.Tobing – J.Tueje | Closed | 7 | -13.4 | -1.91 | -3.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 6 | LUCKY STAR | 12 | 4♦ | ♠A | = | +15 |
| +10.1 | Round 7 | NUNES | 15 | 5♣ | ♥6 | = | +11 |
| +9.6 | Round 4 | SHENZHEN | 25 | 5♣ | ♠5 | -1 | +10 |
| +9.5 | Round 5 | GSRC & S UNITED | 4 | 4♠ | ♥J | -1 | +13 |
| +9.0 | Round 7 | NUNES | 21 | 4♠ | ♥A | +1 | +11 |
| +8.8 | Round 7 | NUNES | 18 | 6♠ | ♣K | +1 | -13 |
| +8.0 | Round 2 | BLING | 12 | 4♠ | ♣8 | -1 | +12 |
| +7.1 | Round 4 | SHENZHEN | 23 | 6♥ | ♦9 | -1 | +17 |
| +6.2 | Round 4 | SHENZHEN | 26 | 4♠ | ♣A | -1 | +13 |
| +5.8 | Round 3 | GILLIS | 15 | 3♥ | ♣A | +1 | +4 |
| +5.7 | Round 8 | PERTAMINA EP RED | 27 | 4♠ | ♥5 | = | +7 |
| +5.6 | Round 2 | BLING | 14 | 4♠ | ♥4 | = | -1 |
| +4.8 | Round 6 | LUCKY STAR | 14 | 2♠ | ♣7 | +1 | +10 |
| +3.8 | Round 5 | GSRC & S UNITED | 1 | 6♠x | ♥K | -3 | +0 |
| +3.4 | Round 5 | GSRC & S UNITED | 7 | 2♠ | ♥4 | = | +0 |
| +2.6 | Round 1 | HUBEI QIAOXIE | 6 | 4♦ | ♥A | = | +0 |
| +2.5 | Round 4 | SHENZHEN | 27 | 5♣ | ♦A | -1 | +4 |
| +2.1 | Round 1 | HUBEI QIAOXIE | 5 | 4♦x | ♠A | -1 | +5 |
| +1.9 | Round 4 | SHENZHEN | 24 | 3NT | ♥2 | +1 | -1 |
| +1.8 | Round 5 | GSRC & S UNITED | 3 | 2♠ | ♦7 | +1 | +7 |
| +1.3 | Round 1 | HUBEI QIAOXIE | 7 | 4♥ | ♠4 | = | -1 |
| +1.3 | Round 2 | BLING | 13 | 3NT | ♥J | +1 | +1 |
| +1.2 | Round 7 | NUNES | 16 | 1NT | ♠Q | -1 | +3 |
| +1.1 | Round 5 | GSRC & S UNITED | 2 | 4♥ | ♥3 | +2 | +1 |
| +1.0 | Round 3 | GILLIS | 21 | 4♠ | ♥10 | +1 | +0 |
| +0.6 | Round 1 | HUBEI QIAOXIE | 4 | 1NT | ♥A | +1 | -10 |
| +0.4 | Round 3 | GILLIS | 20 | 3NT | ♠K | +1 | -1 |
| +0.3 | Round 6 | LUCKY STAR | 9 | 4♥ | ♦9 | +1 | +0 |
| +0.1 | Round 3 | GILLIS | 19 | 5♥ | ♦4 | = | +0 |
| -0.1 | Round 3 | GILLIS | 16 | 1NT | ♣3 | +3 | +1 |
| -0.1 | Round 6 | LUCKY STAR | 10 | 4♥ | ♠4 | = | +1 |
| -0.1 | Round 8 | PERTAMINA EP RED | 28 | 4♥ | ♠8 | -2 | -1 |
| -0.2 | Round 7 | NUNES | 19 | Pass | -3 | ||
| -0.4 | Round 3 | GILLIS | 17 | 3♦ | ♣A | -1 | +5 |
| -0.6 | Round 5 | GSRC & S UNITED | 5 | 2♠ | ♥5 | = | -1 |
| -0.8 | Round 8 | PERTAMINA EP RED | 26 | 1♠ | ♣Q | +1 | -6 |
| -1.4 | Round 3 | GILLIS | 18 | 3♣ | ♥K | +1 | -7 |
| -1.4 | Round 6 | LUCKY STAR | 13 | 1NT | ♠3 | +1 | -10 |
| -1.5 | Round 5 | GSRC & S UNITED | 6 | 4♠ | ♦A | = | +1 |
| -1.8 | Round 2 | BLING | 8 | 6♠x | ♣J | -3 | +0 |
| -1.8 | Round 2 | BLING | 11 | 1NT | ♣6 | = | +1 |
| -2.0 | Round 1 | HUBEI QIAOXIE | 3 | 3NT | ♥3 | = | -3 |
| -2.2 | Round 7 | NUNES | 20 | 2♠ | ♦J | = | +0 |
| -2.2 | Round 8 | PERTAMINA EP RED | 24 | 3NT | ♥4 | +2 | +0 |
| -2.3 | Round 2 | BLING | 10 | 3NT | ♣8 | = | +0 |
| -2.7 | Round 8 | PERTAMINA EP RED | 22 | 2♣x | ♠2 | -1 | -5 |
| -2.8 | Round 4 | SHENZHEN | 22 | 3NT | ♥4 | +2 | -13 |
| -3.8 | Round 4 | SHENZHEN | 28 | 4♥ | ♠J | -1 | -5 |
| -4.7 | Round 8 | PERTAMINA EP RED | 23 | 5♣x | ♠K | -1 | -12 |
| -5.2 | Round 2 | BLING | 9 | 3NT | ♠A | -3 | -10 |
| -5.8 | Round 1 | HUBEI QIAOXIE | 1 | 4♥ | ♣8 | +1 | -1 |
| -5.8 | Round 1 | HUBEI QIAOXIE | 2 | 4♥x | ♠6 | +1 | -6 |
| -8.6 | Round 8 | PERTAMINA EP RED | 25 | 5♥ | ♠2 | = | -8 |
| -9.6 | Round 7 | NUNES | 17 | 3NT | ♠K | -2 | -14 |
| -10.1 | Round 6 | LUCKY STAR | 8 | 4♥x | ♣7 | = | -4 |
| -14.4 | Round 6 | LUCKY STAR | 11 | 7♠x | ♦5 | = | -13 |