CHEN Jiyao · SX XNWY
vs par split: bidding -1.64 · play -0.29
Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -1.57/bd
Card play — on target: opening leads 85.0% #14 of 34 · declarer play 66.7% #23 of 34 · defence 83.3% #15 of 34
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 84.6% (13) |
| Declarer play | 50.0% (2) | 71.4% (7) |
| Defence | 90.0% (10) | 80.0% (20) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 100.0% (6) · ♦ 80.0% (5) · ♣ 100.0% (2)
vs par by strain: NT +0.82 (17) · a suit -3.05 (42)
vs par by level: part-score -0.81 (27) · game -3.29 (28) · slam +0.00 (4)
By role: declaring -1.22/bd (-4.43 vs par · 30) · defending -2.05/bd (+0.50 vs par · 30)
By vulnerability: vulnerable -0.59/bd (-0.94 vs par · 31) · not vulnerable -2.75/bd (-3.07 vs par · 29)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Qiu | Y.Li – L.Shi | Closed | 10 | +14.4 | +1.44 | -0.40 |
| Round 3 | T.Qiu | V.Roman – F.Villegas | Closed | 10 | -12.8 | -1.28 | -2.00 |
| Round 4 | T.Qiu | M.Hao – L.Ma | Closed | 10 | +6.8 | +0.68 | -2.70 |
| Round 5 | T.Qiu | Y.Sun – W.Huang | Open | 10 | -13.4 | -1.34 | -2.60 |
| Round 6 | T.Qiu | C.De Lutio – S.Broccolino | Closed | 10 | -44.6 | -4.46 | -1.30 |
| Round 7 | T.Qiu | Y.Chen – X.Ruan | Closed | 10 | -48.4 | -4.84 | -2.80 |
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 |
|---|---|---|---|---|---|---|---|
| +11.2 | Round 1 | SX SWXH | 7 | 4♠ | ♦A | = | +11 |
| +9.4 | Round 5 | SX XNMF | 18 | 4♠ | ♥4 | -2 | +6 |
| +7.4 | Round 4 | CHINA RDFZ GIRLS | 10 | 4♠ | ♣K | = | -1 |
| +7.2 | Round 5 | SX XNMF | 19 | 4♣ | ♠A | -3 | +11 |
| +5.6 | Round 1 | SX SWXH | 5 | 4♥ | ♠A | -2 | +2 |
| +5.2 | Round 4 | CHINA RDFZ GIRLS | 5 | 3♦ | ♠3 | +3 | +7 |
| +5.2 | Round 6 | ITALIA | 28 | 2NT | ♦2 | -3 | +6 |
| +4.2 | Round 5 | SX XNMF | 16 | 2♦ | ♥6 | +2 | +0 |
| +3.8 | Round 3 | CHILE | 25 | 3♠ | ♥6 | = | +1 |
| +3.6 | Round 1 | SX SWXH | 3 | 4NT | ♠5 | +1 | +1 |
| +3.2 | Round 3 | CHILE | 22 | 2♣ | ♦A | +2 | +1 |
| +2.6 | Round 3 | CHILE | 23 | 1NT | ♥2 | -1 | -1 |
| +2.2 | Round 4 | CHINA RDFZ GIRLS | 9 | 3NT | ♣A | = | -11 |
| +1.8 | Round 4 | CHINA RDFZ GIRLS | 2 | 3♦ | ♣5 | = | -1 |
| +1.6 | Round 1 | SX SWXH | 10 | 1NT | ♠5 | +1 | +0 |
| +1.4 | Round 6 | ITALIA | 25 | 4♠ | ♥J | +2 | -11 |
| +1.0 | Round 1 | SX SWXH | 2 | 4♠ | ♣5 | -2 | -6 |
| +0.8 | Round 5 | SX XNMF | 15 | 3♥ | ♠5 | -4 | -10 |
| +0.4 | Round 1 | SX SWXH | 9 | 2♦ | ♥K | +1 | +1 |
| +0.2 | Round 1 | SX SWXH | 6 | 3NT | ♥5 | -3 | +3 |
| +0.2 | Round 4 | CHINA RDFZ GIRLS | 6 | 1NT | ♦6 | = | +2 |
| +0.2 | Round 7 | SX XHLD | 7 | 4♠ | ♥Q | +2 | -13 |
| +0.0 | Round 4 | CHINA RDFZ GIRLS | 3 | 1NT | ♠3 | -1 | +0 |
| +0.0 | Round 7 | SX XHLD | 5 | 2NT | ♠8 | +2 | +6 |
| -0.2 | Round 3 | CHILE | 27 | 4♠ | ♥7 | +1 | -1 |
| -0.2 | Round 5 | SX XNMF | 14 | 4♠ | ♦2 | +1 | -11 |
| -0.6 | Round 3 | CHILE | 30 | 1NT | ♥J | +3 | +2 |
| -1.4 | Round 3 | CHILE | 24 | 3♦ | ♠5 | = | +1 |
| -1.4 | Round 4 | CHINA RDFZ GIRLS | 8 | 3♠ | ♦J | +4 | -4 |
| -1.4 | Round 5 | SX XNMF | 13 | 3♦ | ♣K | +1 | +0 |
| -2.2 | Round 1 | SX SWXH | 1 | 1NT | ♥4 | = | -5 |
| -2.2 | Round 3 | CHILE | 26 | 4♠ | ♥4 | = | +0 |
| -2.2 | Round 4 | CHINA RDFZ GIRLS | 1 | 2♠ | ♣10 | = | -5 |
| -2.6 | Round 4 | CHINA RDFZ GIRLS | 7 | Pass | -4 | ||
| -2.6 | Round 7 | SX XHLD | 10 | 4♥ | ♠A | +1 | +0 |
| -2.8 | Round 1 | SX SWXH | 4 | 2♥ | ♠K | -1 | -6 |
| -2.8 | Round 6 | ITALIA | 27 | 1NT | ♥J | -1 | +2 |
| -3.0 | Round 7 | SX XHLD | 2 | 2♥ | ♦7 | = | -5 |
| -3.6 | Round 3 | CHILE | 21 | 2♠ | ♦Q | -1 | -4 |
| -3.6 | Round 6 | ITALIA | 23 | 3♠ | ♥8 | -1 | -6 |
| -3.8 | Round 4 | CHINA RDFZ GIRLS | 4 | 3♠ | ♥A | +2 | -10 |
| -4.2 | Round 1 | SX SWXH | 8 | 3♣ | ♦A | = | -5 |
| -4.2 | Round 6 | ITALIA | 24 | 3NT | ♠J | +2 | +11 |
| -4.4 | Round 5 | SX XNMF | 12 | 6♥ | ♦2 | +1 | +11 |
| -4.6 | Round 6 | ITALIA | 22 | 4♠ | ♦2 | +2 | -1 |
| -4.6 | Round 7 | SX XHLD | 4 | 5♦ | ♥K | -3 | -3 |
| -5.0 | Round 7 | SX XHLD | 9 | 6♥ | ♠6 | = | -11 |
| -5.4 | Round 7 | SX XHLD | 3 | 3NT | ♠10 | +3 | -2 |
| -6.4 | Round 3 | CHILE | 29 | 5♦ | ♠9 | -2 | -8 |
| -7.0 | Round 7 | SX XHLD | 8 | 6NT | ♥J | = | +0 |
| -7.2 | Round 6 | ITALIA | 26 | 4♠ | ♥10 | = | +0 |
| -7.6 | Round 6 | ITALIA | 30 | 4♠ | ♦8 | -2 | -11 |
| -8.0 | Round 3 | CHILE | 28 | 4♠ | ♥K | = | -11 |
| -8.2 | Round 6 | ITALIA | 29 | 3NT | ♦6 | +1 | +12 |
| -9.0 | Round 5 | SX XNMF | 11 | 4♠ | ♣K | -1 | -10 |
| -9.0 | Round 5 | SX XNMF | 20 | 3NT | ♠9 | -1 | -12 |
| -9.8 | Round 7 | SX XHLD | 1 | 6♥ | ♣5 | = | +0 |
| -11.0 | Round 5 | SX XNMF | 17 | 5♥ | ♠6 | -2 | -11 |
| -11.2 | Round 7 | SX XHLD | 6 | 4♠ | ♦6 | = | +0 |
| -13.0 | Round 6 | ITALIA | 21 | 4♥ | ♦2 | +3 | -15 |