LIU Ning · CHINA XHJT
vs par split: bidding -0.48 · play +0.10
Strength of schedule: opponents averaged +0.31/bd (a tough draw) → opponent-adjusted -0.07/bd
Card play — on target: opening leads 76.9% #197 of 476 · declarer play 88.9% #47 of 478 · defence 81.8% #348 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 100.0% (6) |
| Declarer play | 100.0% (1) | 87.5% (8) |
| Defence | 85.7% (14) | 78.9% (19) |
Opening leads by suit led: ♠ 66.7% (3) · ♦ 75.0% (4) · ♣ 83.3% (6)
vs par by strain: NT -0.05 (21) · a suit -0.56 (39)
vs par by level: part-score -0.67 (24) · game +0.27 (30) · slam -2.50 (6)
By role: declaring -0.74/bd (-2.26 vs par · 27) · defending -0.09/bd (+1.15 vs par · 33)
By vulnerability: vulnerable -0.42/bd (-0.29 vs par · 28) · not vulnerable -0.35/bd (-0.47 vs par · 32)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | H.Huang | W.He – S.Bi | Open | 10 | -8.1 | -0.81 | -1.70 |
| Round 3 | H.Huang | J.Haffer – P.Markey | Closed | 10 | +8.7 | +0.87 | +1.00 |
| Round 5 | H.Huang | B.Marina – I.Coldea | Closed | 10 | -7.4 | -0.74 | -2.10 |
| Round 7 | H.Huang | R.Lee – J.Mcallister | Closed | 10 | -22.9 | -2.29 | -0.50 |
| Round 8 | H.Huang | J.Campos – S.Tommasini | Open | 10 | +9.1 | +0.91 | +3.00 |
| Round 10 | H.Huang | A.Robson – A.Allfrey | Closed | 10 | -2.3 | -0.23 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 3 | HAFFER | 9 | 4♠ | ♦6 | -2 | +13 |
| +10.9 | Round 5 | COLDEA | 23 | 6♥x | ♥3 | -3 | +7 |
| +5.4 | Round 8 | PAIVA | 7 | 3NT | ♣K | -1 | +12 |
| +4.1 | Round 3 | HAFFER | 10 | 4♥ | ♣Q | -4 | +11 |
| +3.6 | Round 10 | ALLFREY | 26 | 3NT | ♥10 | = | +0 |
| +3.3 | Round 10 | ALLFREY | 21 | 5♠ | ♦K | +1 | +2 |
| +3.1 | Round 5 | COLDEA | 27 | 2♠ | ♥K | = | -1 |
| +3.1 | Round 8 | PAIVA | 4 | 4♥ | ♠10 | -1 | +6 |
| +2.7 | Round 2 | CRE8TIVE | 17 | 3NT | ♦2 | +2 | +1 |
| +2.3 | Round 3 | HAFFER | 6 | 2♦ | ♣K | = | +5 |
| +2.3 | Round 3 | HAFFER | 8 | 3♦ | ♦6 | -2 | +0 |
| +2.1 | Round 2 | CRE8TIVE | 20 | 1NT | ♣2 | +1 | +0 |
| +1.6 | Round 8 | PAIVA | 3 | 3NT | ♦J | -1 | +12 |
| +1.6 | Round 8 | PAIVA | 10 | 3NT | ♠10 | -1 | +0 |
| +1.2 | Round 10 | ALLFREY | 24 | 6NT | ♠J | = | +0 |
| +1.2 | Round 10 | ALLFREY | 25 | 5♦ | ♣9 | = | +2 |
| +1.1 | Round 5 | COLDEA | 24 | 6♦ | ♥3 | = | -2 |
| +0.9 | Round 2 | CRE8TIVE | 16 | 4♠ | ♣10 | +2 | +11 |
| +0.9 | Round 8 | PAIVA | 5 | 5♣ | ♦A | = | -2 |
| +0.8 | Round 7 | MCALLISTER | 20 | 2♠ | ♥K | +1 | +0 |
| +0.7 | Round 2 | CRE8TIVE | 13 | 4♥ | ♦J | +1 | +0 |
| +0.6 | Round 10 | ALLFREY | 29 | 5♦ | ♣3 | = | +1 |
| +0.5 | Round 7 | MCALLISTER | 18 | 3NT | ♥10 | +1 | -1 |
| +0.5 | Round 8 | PAIVA | 6 | 3NT | ♠4 | = | +0 |
| +0.3 | Round 8 | PAIVA | 9 | 3♠ | ♦A | +1 | +1 |
| +0.2 | Round 3 | HAFFER | 2 | 1♣ | ♠7 | -2 | -5 |
| +0.2 | Round 10 | ALLFREY | 28 | 3♥ | ♣J | -1 | +2 |
| +0.1 | Round 2 | CRE8TIVE | 11 | 1NT | ♠9 | -2 | -1 |
| -0.0 | Round 2 | CRE8TIVE | 12 | 1♠ | ♦A | +1 | +1 |
| +0.0 | Round 3 | HAFFER | 5 | 1NT | ♠10 | -1 | -2 |
| +0.0 | Round 5 | COLDEA | 30 | 4♠ | ♣3 | = | +0 |
| -0.1 | Round 2 | CRE8TIVE | 18 | 3NT | ♠Q | +1 | +0 |
| -0.2 | Round 3 | HAFFER | 1 | 4♠ | ♥2 | -1 | -2 |
| -0.2 | Round 8 | PAIVA | 8 | 1♠ | ♦6 | +3 | +1 |
| -0.3 | Round 7 | MCALLISTER | 12 | 1NT | ♥9 | +1 | +0 |
| -0.3 | Round 8 | PAIVA | 2 | 1NT | ♥6 | +1 | +7 |
| -0.5 | Round 7 | MCALLISTER | 13 | 6♠ | ♥J | +1 | -8 |
| -0.6 | Round 5 | COLDEA | 25 | 3NT | ♥2 | +2 | -1 |
| -0.7 | Round 7 | MCALLISTER | 14 | 3♠ | ♠Q | +1 | +7 |
| -0.8 | Round 2 | CRE8TIVE | 14 | 3♣ | ♦2 | -1 | -4 |
| -1.1 | Round 10 | ALLFREY | 23 | 5♦ | ♣K | -1 | -1 |
| -1.7 | Round 5 | COLDEA | 29 | 4NT | ♦7 | +2 | -1 |
| -2.0 | Round 5 | COLDEA | 26 | 2♠ | ♠3 | +2 | -1 |
| -2.1 | Round 3 | HAFFER | 7 | 3NT | ♦2 | +3 | -2 |
| -2.1 | Round 7 | MCALLISTER | 11 | 1♠ | ♣7 | +1 | +0 |
| -2.2 | Round 3 | HAFFER | 3 | 3♦ | ♠A | -2 | +1 |
| -2.8 | Round 7 | MCALLISTER | 17 | 3♥ | ♣J | = | -1 |
| -3.0 | Round 5 | COLDEA | 28 | 2♥ | ♥3 | +1 | -1 |
| -3.1 | Round 7 | MCALLISTER | 15 | 3NT | ♦7 | +3 | -2 |
| -3.1 | Round 10 | ALLFREY | 22 | 2♥ | ♦3 | +3 | -10 |
| -3.1 | Round 10 | ALLFREY | 27 | 4♥ | ♦8 | -1 | -10 |
| -3.5 | Round 2 | CRE8TIVE | 19 | 4♠ | ♣J | -2 | -13 |
| -3.6 | Round 7 | MCALLISTER | 19 | 4♥ | ♦9 | = | +0 |
| -3.8 | Round 8 | PAIVA | 1 | 3NT | ♣4 | = | -7 |
| -5.1 | Round 10 | ALLFREY | 30 | 2NT | ♠4 | -3 | -6 |
| -5.6 | Round 5 | COLDEA | 21 | 5♣ | ♥2 | +1 | -11 |
| -8.7 | Round 3 | HAFFER | 4 | 3♦x | ♥K | -2 | -9 |
| -9.6 | Round 5 | COLDEA | 22 | 3NTx | ♥10 | = | -10 |
| -10.2 | Round 2 | CRE8TIVE | 15 | 7♥x | ♣4 | -3 | -12 |
| -11.1 | Round 7 | MCALLISTER | 16 | 7♠ | ♠4 | = | +0 |