ZHANG Xiaofeng · PAN-CHINA
vs par split: bidding +0.62 · play -0.02
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.08/bd
Card play — on target: opening leads 75.0% #169 of 310 · declarer play 77.8% #145 of 310 · defence 90.3% #82 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 75.0% (16) |
| Declarer play | · | 77.8% (9) |
| Defence | 100.0% (6) | 88.0% (25) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 66.7% (3) · ♦ 66.7% (9) · ♣ 100.0% (3)
vs par by strain: NT -0.29 (14) · a suit +0.91 (42)
vs par by level: part-score +1.42 (19) · game +0.49 (35) · slam -5.00 (2)
By role: declaring +0.07/bd (-1.72 vs par · 25) · defending -0.25/bd (+2.48 vs par · 31)
By vulnerability: vulnerable +0.68/bd (+0.92 vs par · 26) · not vulnerable -0.79/bd (+0.33 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Liu | B.Maksymetz – D.Korbel | Open | 7 | -14.2 | -2.03 | -1.71 |
| Round 2 | H.Liu | B.Drijver – S.Brink | Closed | 7 | +2.9 | +0.41 | +3.14 |
| Round 3 | H.Liu | X.Li – Z.He | Open | 7 | -3.1 | -0.44 | -0.14 |
| Round 4 | H.Liu | J.Hu – Z.Lin | Open | 7 | +5.2 | +0.74 | +3.00 |
| Round 5 | H.Liu | M.Fleisher – C.Martel | Open | 7 | +0.7 | +0.10 | -1.14 |
| Round 6 | H.Liu | L.Zhang – X.Zhang | Open | 7 | -2.9 | -0.41 | +0.29 |
| Round 7 | H.Liu | G.Lorentz – S.Burgess | Open | 7 | -7.7 | -1.10 | -0.43 |
| Round 8 | H.Liu | S.Gillis – O.Svendsen | Open | 7 | +13.1 | +1.87 | +1.86 |
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 |
|---|---|---|---|---|---|---|---|
| +8.4 | Round 3 | P D PIONEERS | 20 | 3NT | ♦4 | = | +10 |
| +7.3 | Round 8 | GILLIS | 26 | 3NT | ♥Q | +2 | +1 |
| +7.1 | Round 8 | GILLIS | 23 | 3NT | ♠5 | -3 | +9 |
| +6.3 | Round 4 | LUCKY SEVEN | 28 | 3NT | ♣2 | +1 | +4 |
| +5.5 | Round 2 | DIAMOND | 12 | 4♥x | ♥K | -1 | +7 |
| +5.2 | Round 2 | DIAMOND | 13 | 5♠ | ♣3 | +1 | +17 |
| +4.9 | Round 4 | LUCKY SEVEN | 23 | 5♣ | ♦2 | -1 | +6 |
| +4.0 | Round 7 | LORENTZ | 18 | 5♦ | ♦5 | +1 | +13 |
| +3.9 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 8 | 2♠ | ♦K | = | +5 |
| +3.3 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 9 | 4♥x | ♦K | -1 | +7 |
| +3.2 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 13 | 3♠ | ♥J | -1 | +5 |
| +3.1 | Round 5 | FLEISHER | 7 | 6♥ | ♠A | = | +0 |
| +3.0 | Round 1 | MCMULLIN | 1 | 4♠ | ♦10 | = | +0 |
| +2.7 | Round 7 | LORENTZ | 15 | 4♠ | ♠3 | -1 | +12 |
| +2.6 | Round 2 | DIAMOND | 10 | 3♠x | ♥2 | -1 | +7 |
| +2.3 | Round 3 | P D PIONEERS | 16 | 1NT | ♠4 | = | +8 |
| +2.3 | Round 5 | FLEISHER | 5 | 4♠ | ♣7 | -1 | +10 |
| +2.2 | Round 8 | GILLIS | 24 | 4♠ | ♦6 | -1 | +5 |
| +2.0 | Round 5 | FLEISHER | 6 | 6NT | ♣5 | +1 | -10 |
| +1.9 | Round 1 | MCMULLIN | 7 | 4♥ | ♦5 | -1 | -1 |
| +1.9 | Round 7 | LORENTZ | 20 | 2♠ | ♣2 | = | +0 |
| +1.8 | Round 8 | GILLIS | 27 | 3NT | ♥3 | = | -1 |
| +1.0 | Round 3 | P D PIONEERS | 21 | 4♣ | ♠A | +1 | +10 |
| +1.0 | Round 5 | FLEISHER | 1 | 4♥ | ♣K | +1 | +0 |
| +0.9 | Round 8 | GILLIS | 28 | 4♠ | ♥6 | = | +3 |
| +0.8 | Round 1 | MCMULLIN | 2 | 3♥ | ♦Q | +2 | +10 |
| +0.5 | Round 4 | LUCKY SEVEN | 26 | 1NT | ♠2 | = | -1 |
| +0.1 | Round 1 | MCMULLIN | 3 | 2♠ | ♣K | -1 | -3 |
| +0.1 | Round 4 | LUCKY SEVEN | 25 | 3NT | ♠Q | = | +0 |
| -0.1 | Round 4 | LUCKY SEVEN | 24 | 1♥ | ♥5 | -1 | +2 |
| -0.2 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 11 | 3♥ | ♠8 | -1 | +2 |
| -0.6 | Round 7 | LORENTZ | 19 | 2♠ | ♦Q | -1 | -2 |
| -0.7 | Round 3 | P D PIONEERS | 15 | 4♥ | ♠4 | +1 | -11 |
| -0.8 | Round 4 | LUCKY SEVEN | 27 | 4♠ | ♦J | +2 | +11 |
| -0.9 | Round 2 | DIAMOND | 8 | 1NT | ♠2 | +1 | +0 |
| -1.9 | Round 2 | DIAMOND | 11 | 2♠ | ♦2 | +2 | -2 |
| -2.1 | Round 5 | FLEISHER | 4 | 4♠ | ♦K | -1 | -6 |
| -2.1 | Round 8 | GILLIS | 22 | 3♣ | ♠A | -2 | +1 |
| -2.3 | Round 3 | P D PIONEERS | 19 | 4♠ | ♦K | = | -6 |
| -2.3 | Round 5 | FLEISHER | 3 | 3NT | ♦J | = | +0 |
| -2.4 | Round 7 | LORENTZ | 17 | 4♥ | ♥2 | -1 | -8 |
| -2.5 | Round 3 | P D PIONEERS | 18 | 3♥ | ♦5 | = | -6 |
| -3.2 | Round 2 | DIAMOND | 14 | 3♠ | ♣2 | = | -1 |
| -3.3 | Round 5 | FLEISHER | 2 | 3♥ | ♦9 | -2 | -2 |
| -3.4 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 12 | 4♠x | ♠9 | -3 | -4 |
| -4.1 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 10 | 3NT | ♥Q | -1 | -6 |
| -4.1 | Round 8 | GILLIS | 25 | 4♥ | ♦6 | -1 | -5 |
| -4.4 | Round 2 | DIAMOND | 9 | 4♠ | ♥3 | -1 | -6 |
| -4.9 | Round 1 | MCMULLIN | 5 | 2♠ | ♠2 | = | -6 |
| -5.0 | Round 7 | LORENTZ | 16 | 5♠ | ♣10 | -2 | -7 |
| -5.6 | Round 6 | SHAANXI ELECTRIC POWER DESIGN | 14 | 4♠ | ♠4 | = | -7 |
| -5.7 | Round 4 | LUCKY SEVEN | 22 | 4♥ | ♦2 | = | -1 |
| -6.5 | Round 1 | MCMULLIN | 6 | 3NT | ♥4 | -1 | -12 |
| -8.3 | Round 7 | LORENTZ | 21 | 4♠ | ♥2 | +2 | -11 |
| -8.6 | Round 1 | MCMULLIN | 4 | 4♥ | ♣6 | = | +0 |
| -9.3 | Round 3 | P D PIONEERS | 17 | 3NTx | ♣Q | = | -6 |