CAO Xueliang · CHINA XHJT1
vs par split: bidding +1.16 · play +0.03
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.29/bd
Card play — on target: opening leads 81.8% #223 of 518 · declarer play 78.6% #189 of 517 · defence 82.2% #291 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (10) | 100.0% (12) |
| Declarer play | 100.0% (3) | 72.7% (11) |
| Defence | 76.5% (17) | 85.7% (28) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (7) · ♦ 100.0% (2) · ♣ 50.0% (6)
vs par by strain: NT +0.39 (26) · a suit +1.57 (54)
vs par by level: part-score +0.65 (34) · game +1.62 (45) · slam +0.00 (1)
By role: declaring +0.83/bd (+0.43 vs par · 35) · defending -0.24/bd (+1.78 vs par · 45)
By vulnerability: vulnerable +0.15/bd (+1.62 vs par · 40) · not vulnerable +0.30/bd (+0.75 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Zheng | P.Zimmermann – J.Zochowska | Closed | 10 | +13.0 | +1.30 | +3.00 |
| Round 3 | Y.Zheng | M.Passell – N.Noland | Closed | 10 | -3.9 | -0.39 | -0.30 |
| Round 4 | Y.Zheng | P.Soulet – V.Reess | Open | 10 | -8.3 | -0.83 | +1.00 |
| Round 5 | Y.Zheng | J.Li – T.Zhou | Open | 10 | +11.6 | +1.16 | +0.80 |
| Round 6 | Y.Zheng | H.Cornfield – A.Mcintosh | Closed | 10 | +0.2 | +0.02 | +1.30 |
| Round 8 | Y.Zheng | M.Nathan – A.Malinowski | Open | 10 | +1.1 | +0.11 | -0.90 |
| Round 9 | Y.Zheng | Y.Peng – P.Lu | Closed | 10 | +1.6 | +0.16 | +2.40 |
| Round 10 | Y.Zheng | L.Elmore – C.Compton | Open | 10 | +2.9 | +0.29 | +2.20 |
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 10 | HINZE | 25 | 5♠ | ♠6 | -1 | +12 |
| +8.9 | Round 5 | ZHAOHENG | 25 | 4♥x | ♠4 | +1 | +10 |
| +7.8 | Round 3 | NOLAND | 2 | 4♠ | ♦6 | +1 | +1 |
| +6.1 | Round 4 | REESS | 13 | 3NT | ♦6 | +1 | +11 |
| +5.4 | Round 1 | ZIMMERMANN | 9 | 4♦ | ♣9 | = | +0 |
| +5.1 | Round 8 | DE BOTTON | 9 | 3NT | ♥Q | -1 | +12 |
| +5.0 | Round 1 | ZIMMERMANN | 8 | 5♦ | ♣Q | -1 | +10 |
| +4.8 | Round 5 | ZHAOHENG | 28 | 1NT | ♠6 | = | +5 |
| +4.6 | Round 1 | ZIMMERMANN | 7 | 1NTx | ♠8 | = | +7 |
| +4.1 | Round 10 | HINZE | 27 | 2♥ | ♠K | -1 | +10 |
| +4.0 | Round 6 | CORNFIELD | 1 | 3NT | ♠3 | +1 | +8 |
| +3.6 | Round 3 | NOLAND | 10 | 2♦ | ♠9 | = | +5 |
| +3.6 | Round 5 | ZHAOHENG | 29 | 3NT | ♦10 | +1 | +0 |
| +3.4 | Round 4 | REESS | 15 | 3NT | ♥4 | -1 | +4 |
| +3.3 | Round 8 | DE BOTTON | 3 | 3♦ | ♥6 | = | +5 |
| +3.2 | Round 6 | CORNFIELD | 7 | 3♣ | ♦2 | +2 | +11 |
| +3.1 | Round 5 | ZHAOHENG | 23 | 4♥ | ♣K | -1 | +6 |
| +3.0 | Round 1 | ZIMMERMANN | 5 | 4♠ | ♥Q | -1 | +5 |
| +2.3 | Round 8 | DE BOTTON | 2 | 4♦ | ♣5 | = | -10 |
| +2.2 | Round 5 | ZHAOHENG | 21 | 1NT | ♥2 | -1 | +4 |
| +2.0 | Round 3 | NOLAND | 8 | 3♥ | ♥K | -1 | -6 |
| +2.0 | Round 9 | YBM | 19 | 4♥ | ♣9 | = | +0 |
| +1.9 | Round 3 | NOLAND | 7 | 1♠ | ♥6 | +1 | +5 |
| +1.9 | Round 6 | CORNFIELD | 9 | 2♠ | ♥5 | = | +5 |
| +1.9 | Round 8 | DE BOTTON | 1 | 3NT | ♣6 | +1 | +0 |
| +1.8 | Round 8 | DE BOTTON | 7 | 2♠ | ♣6 | +1 | +11 |
| +1.7 | Round 10 | HINZE | 23 | 4♥ | ♠6 | -1 | +12 |
| +1.4 | Round 8 | DE BOTTON | 8 | 3♣ | ♦9 | -1 | -3 |
| +1.1 | Round 4 | REESS | 14 | 3♥ | ♦Q | -1 | -2 |
| +1.1 | Round 9 | YBM | 18 | 3NT | ♠9 | = | +1 |
| +1.0 | Round 1 | ZIMMERMANN | 2 | 3NT | ♦4 | +1 | +0 |
| +1.0 | Round 10 | HINZE | 21 | 2♣ | ♣10 | +2 | +0 |
| +0.7 | Round 3 | NOLAND | 6 | 4♥ | ♦J | +1 | +0 |
| +0.6 | Round 4 | REESS | 17 | 5♦ | ♥10 | = | +1 |
| +0.5 | Round 4 | REESS | 11 | 2♥ | ♥3 | = | +0 |
| +0.4 | Round 9 | YBM | 16 | 4♠ | ♣6 | +1 | +0 |
| +0.3 | Round 1 | ZIMMERMANN | 4 | 4♠ | ♣3 | +1 | +0 |
| +0.2 | Round 9 | YBM | 13 | 3NT | ♦J | -1 | +6 |
| +0.2 | Round 10 | HINZE | 30 | 2♥ | ♠J | +2 | +6 |
| +0.1 | Round 3 | NOLAND | 3 | 3NT | ♦4 | +1 | +0 |
| +0.1 | Round 4 | REESS | 18 | 4♣ | ♥K | -2 | -1 |
| -0.0 | Round 9 | YBM | 12 | 5♦ | ♠3 | -1 | +8 |
| -0.1 | Round 9 | YBM | 20 | 1NT | ♠6 | +1 | -1 |
| -0.3 | Round 9 | YBM | 17 | 4♥ | ♣3 | +1 | +10 |
| -0.5 | Round 6 | CORNFIELD | 5 | 4♠x | ♣A | +2 | +5 |
| -0.5 | Round 9 | YBM | 11 | 4♠ | ♥A | +1 | +0 |
| -0.5 | Round 9 | YBM | 15 | 4♠ | ♦9 | +1 | +0 |
| -0.6 | Round 6 | CORNFIELD | 8 | 2♠ | ♥4 | +1 | -6 |
| -0.7 | Round 9 | YBM | 14 | 4♠x | ♦10 | -1 | +0 |
| -0.7 | Round 10 | HINZE | 29 | 2♠ | ♦K | = | +0 |
| -0.8 | Round 6 | CORNFIELD | 6 | 4♠ | ♦3 | = | +1 |
| -0.8 | Round 10 | HINZE | 24 | 2♠ | ♠5 | -1 | -5 |
| -1.0 | Round 1 | ZIMMERMANN | 10 | 4♦ | ♠A | -1 | +1 |
| -1.0 | Round 4 | REESS | 12 | 3♠ | ♥K | +1 | -1 |
| -1.2 | Round 1 | ZIMMERMANN | 1 | 2♣ | ♥A | -1 | -4 |
| -1.2 | Round 6 | CORNFIELD | 2 | 3NT | ♥Q | +1 | -1 |
| -1.3 | Round 3 | NOLAND | 9 | 3♦ | ♠K | = | +1 |
| -1.3 | Round 5 | ZHAOHENG | 24 | 1NT | ♠8 | -2 | -8 |
| -1.5 | Round 5 | ZHAOHENG | 27 | 1NT | ♠Q | +1 | +0 |
| -1.5 | Round 6 | CORNFIELD | 4 | 3NT | ♣5 | = | +1 |
| -1.6 | Round 6 | CORNFIELD | 10 | 3♦ | ♥7 | = | +0 |
| -1.7 | Round 5 | ZHAOHENG | 30 | 4♥ | ♠K | = | +1 |
| -1.9 | Round 1 | ZIMMERMANN | 6 | 3NT | ♣J | +1 | +0 |
| -2.2 | Round 1 | ZIMMERMANN | 3 | 5♦ | ♥A | = | +11 |
| -2.3 | Round 5 | ZHAOHENG | 26 | 6NT | ♣6 | = | +0 |
| -2.6 | Round 8 | DE BOTTON | 6 | 3NT | ♠3 | +1 | -10 |
| -2.7 | Round 6 | CORNFIELD | 3 | 4♥ | ♦10 | +1 | -11 |
| -2.7 | Round 8 | DE BOTTON | 10 | 3♠ | ♦A | +1 | -10 |
| -3.0 | Round 4 | REESS | 16 | 3♠ | ♣A | -2 | +11 |
| -3.0 | Round 8 | DE BOTTON | 4 | 4♠ | ♥A | -1 | +3 |
| -3.8 | Round 10 | HINZE | 22 | 3♥ | ♣A | -1 | -5 |
| -4.2 | Round 5 | ZHAOHENG | 22 | 3NT | ♣10 | = | -10 |
| -4.4 | Round 10 | HINZE | 28 | 4♥ | ♠J | -1 | -5 |
| -4.5 | Round 3 | NOLAND | 4 | 3NT | ♠7 | +1 | +1 |
| -5.3 | Round 10 | HINZE | 26 | 2♠ | ♥A | -2 | -3 |
| -6.0 | Round 3 | NOLAND | 5 | 3NT | ♠6 | +1 | +1 |
| -6.4 | Round 8 | DE BOTTON | 5 | 4♠ | ♥3 | = | -7 |
| -8.0 | Round 4 | REESS | 20 | 3NT | ♣4 | = | -10 |
| -8.1 | Round 4 | REESS | 19 | 4♥ | ♦A | = | -3 |
| -8.2 | Round 3 | NOLAND | 1 | 3NTx | ♣4 | +1 | -11 |