CHAO Qin Yi · ZHIHAOLE
vs par split: bidding -0.41 · play -0.27
Strength of schedule: opponents averaged +0.34/bd (a tough draw) → opponent-adjusted -0.16/bd
Card play — on target: opening leads 100.0% #1 of 46 · declarer play 50.0% #42 of 46 · defence 85.2% #17 of 46
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 100.0% (9) |
| Declarer play | 100.0% (1) | 45.5% (11) |
| Defence | 100.0% (10) | 76.5% (17) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (6) · ♣ 100.0% (3)
vs par by strain: NT -1.76 (17) · a suit -0.20 (39)
vs par by level: part-score +0.12 (24) · game -1.00 (30) · slam -5.50 (2)
By role: declaring +0.10/bd (-2.55 vs par · 29) · defending -1.16/bd (+1.33 vs par · 27)
By vulnerability: vulnerable +0.45/bd (-0.54 vs par · 28) · not vulnerable -1.46/bd (-0.82 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Q.He | D.Molina – V.Roman | Closed | 8 | -5.3 | -0.66 | -3.25 |
| Round 2 | Q.He | Y.Zhao – X.Bi | Open | 8 | -13.0 | -1.62 | +1.88 |
| Round 3 | Q.He | T.Xu – Y.Gao | Closed | 8 | -3.3 | -0.41 | -1.38 |
| Round 4 | J.Han | A.Di Lorenzo – L.Seregni | Closed | 8 | -7.2 | -0.90 | -1.12 |
| Round 6 | Y.Xuan | J.Wackwitz – M.Christensen | Open | 8 | +3.3 | +0.41 | -0.12 |
| Round 7 | J.Han | S.Baldysz – J.Zalewska | Open | 8 | +8.8 | +1.10 | +1.38 |
| Round 9 | Q.He | J.Xu – X.Ruan | Open | 8 | -11.5 | -1.44 | -2.12 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 9 | SXPEONY | 4 | 4♥ | ♦A | = | +3 |
| +8.2 | Round 7 | POLAND GIRLS | 18 | 5♠ | ♦A | = | +13 |
| +7.2 | Round 3 | SXTULIP | 19 | 4♠ | ♦3 | +1 | +1 |
| +6.3 | Round 6 | SCREWDRIVER | 9 | 3♥ | ♦Q | = | +7 |
| +5.6 | Round 4 | ITALIA | 27 | 3♥ | ♦K | +1 | +6 |
| +5.6 | Round 6 | SCREWDRIVER | 11 | 3NT | ♠2 | = | +6 |
| +5.2 | Round 7 | POLAND GIRLS | 21 | 4♥ | ♣6 | -1 | +5 |
| +4.4 | Round 6 | SCREWDRIVER | 12 | 4♥ | ♠8 | = | +0 |
| +4.2 | Round 2 | SXDAISY | 10 | 3♥ | ♣A | -2 | +9 |
| +3.4 | Round 7 | POLAND GIRLS | 23 | 2♥ | ♠4 | = | -1 |
| +3.2 | Round 3 | SXTULIP | 20 | 2♦ | ♣10 | +1 | +1 |
| +2.9 | Round 6 | SCREWDRIVER | 13 | 4♥ | ♦K | +1 | +0 |
| +2.8 | Round 9 | SXPEONY | 1 | 3NT | ♥J | -1 | +8 |
| +2.4 | Round 1 | CHILE | 2 | 6♥ | ♣5 | = | +0 |
| +2.1 | Round 3 | SXTULIP | 18 | 6NT | ♣2 | +1 | -11 |
| +2.0 | Round 3 | SXTULIP | 23 | 2NT | ♦5 | -1 | +6 |
| +1.9 | Round 7 | POLAND GIRLS | 19 | 4♥ | ♠3 | -2 | +7 |
| +1.8 | Round 1 | CHILE | 3 | 2♣ | ♦A | +2 | +0 |
| +1.6 | Round 4 | ITALIA | 32 | 2NT | ♦6 | = | +9 |
| +1.0 | Round 4 | ITALIA | 28 | 4♥ | ♠2 | -1 | +1 |
| +0.9 | Round 6 | SCREWDRIVER | 14 | 4♥ | ♣2 | -1 | +10 |
| +0.6 | Round 2 | SXDAISY | 9 | 4♠ | ♦7 | +1 | +0 |
| +0.3 | Round 1 | CHILE | 5 | 3♥ | ♦A | = | +0 |
| -0.0 | Round 6 | SCREWDRIVER | 15 | 5♥ | ♦A | = | +0 |
| -0.1 | Round 4 | ITALIA | 26 | 2♥ | ♦6 | -1 | +0 |
| -0.4 | Round 4 | ITALIA | 25 | 3♥ | ♦10 | +1 | -1 |
| -0.7 | Round 9 | SXPEONY | 6 | 3NT | ♣10 | +2 | +0 |
| -1.0 | Round 1 | CHILE | 6 | 3♦ | ♣5 | = | -10 |
| -1.0 | Round 3 | SXTULIP | 22 | 1NT | ♠8 | -1 | +0 |
| -1.1 | Round 7 | POLAND GIRLS | 17 | 1♠ | ♦3 | +1 | +0 |
| -1.3 | Round 2 | SXDAISY | 14 | 4♦ | ♣A | -2 | +1 |
| -1.4 | Round 1 | CHILE | 7 | 3♥ | ♣A | = | +0 |
| -1.4 | Round 2 | SXDAISY | 13 | 4♠ | ♣8 | +3 | -2 |
| -1.4 | Round 2 | SXDAISY | 15 | 2NT | ♣4 | = | +0 |
| -1.4 | Round 2 | SXDAISY | 16 | 3♥ | ♣7 | -2 | +6 |
| -1.8 | Round 7 | POLAND GIRLS | 22 | 4♠ | ♥3 | +3 | -10 |
| -1.8 | Round 9 | SXPEONY | 7 | 1NT | ♣6 | = | +1 |
| -2.2 | Round 1 | CHILE | 4 | 3♠ | ♥2 | = | -8 |
| -2.6 | Round 1 | CHILE | 1 | 4♠ | ♦9 | -3 | -2 |
| -2.6 | Round 1 | CHILE | 8 | 3NT | ♥7 | -3 | -6 |
| -2.7 | Round 7 | POLAND GIRLS | 20 | 3NT | ♠J | = | +2 |
| -2.8 | Round 3 | SXTULIP | 24 | 2♥ | ♠Q | +1 | -1 |
| -3.3 | Round 9 | SXPEONY | 3 | 3NT | ♣6 | -2 | -12 |
| -3.7 | Round 9 | SXPEONY | 2 | 3♦ | ♣K | -1 | -10 |
| -4.3 | Round 4 | ITALIA | 29 | 3NT | ♥5 | +1 | +0 |
| -4.3 | Round 7 | POLAND GIRLS | 24 | 3♦ | ♠A | = | -5 |
| -4.6 | Round 2 | SXDAISY | 11 | 4♥ | ♣4 | +2 | -1 |
| -5.0 | Round 4 | ITALIA | 31 | 4♥ | ♦Q | -1 | -13 |
| -5.6 | Round 4 | ITALIA | 30 | 3NT | ♠Q | -1 | -11 |
| -6.1 | Round 3 | SXTULIP | 17 | 4♠ | ♣K | +1 | +0 |
| -7.2 | Round 6 | SCREWDRIVER | 10 | 3NT | ♥J | +1 | -11 |
| -7.2 | Round 9 | SXPEONY | 5 | 4♠ | ♦7 | = | +0 |
| -7.4 | Round 9 | SXPEONY | 8 | 4♠ | ♥A | = | -7 |
| -7.7 | Round 2 | SXDAISY | 12 | 3NT | ♣9 | = | +2 |
| -7.9 | Round 3 | SXTULIP | 21 | 4♦ | ♣A | -3 | -7 |
| -9.6 | Round 6 | SCREWDRIVER | 16 | 3NT | ♠5 | -2 | -13 |