MA Jihong · PAN-CHINA
vs par split: bidding -0.14 · play -0.64
Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted +0.58/bd
Card play — on target: opening leads 86.7% #143 of 579 · declarer play 73.7% #271 of 579 · defence 84.6% #359 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 80.0% (10) |
| Declarer play | 75.0% (8) | 72.7% (11) |
| Defence | 62.5% (8) | 94.4% (18) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 50.0% (2) · ♦ 100.0% (6) · ♣ 100.0% (2)
vs par by strain: NT -3.33 (21) · a suit +0.74 (35)
vs par by level: part-score -0.78 (27) · game -1.48 (23) · slam +1.83 (6)
By role: declaring -0.56/bd (-5.10 vs par · 30) · defending +1.33/bd (+4.19 vs par · 26)
By vulnerability: vulnerable -0.16/bd (-3.00 vs par · 27) · not vulnerable +0.76/bd (+1.28 vs par · 29)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Shi | V.Yildiz – U.Tarhan | Closed | 7 | +6.6 | +0.94 | -0.57 |
| Round 2 | M.Shi | X.Wei – X.Lou | Closed | 7 | +7.9 | +1.13 | +2.43 |
| Round 3 | M.Shi | Q.Ye – P.Wu | Closed | 7 | +4.6 | +0.66 | -1.86 |
| Round 4 | M.Shi | V.Isporski – V.Kovachev | Open | 7 | -1.9 | -0.27 | -5.43 |
| Round 5 | M.Shi | S.Wan – D.Zen | Closed | 7 | +7.8 | +1.11 | +0.71 |
| Round 6 | M.Shi | M.Krupowicz – P.Janiszewski | Closed | 7 | -24.9 | -3.56 | -6.14 |
| Round 7 | M.Shi | C.Fernand – R.Karunatilake | Closed | 7 | +7.0 | +1.00 | -0.71 |
| Round 8 | M.Shi | I.Delmonte – B.Moss | Closed | 7 | +10.8 | +1.54 | +5.29 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 8 | FLEISHER | 25 | 5♥ | ♠A | -1 | +12 |
| +9.0 | Round 2 | ZHONGSHAN JIEGAO | 11 | 6♠ | ♥K | -1 | +14 |
| +6.9 | Round 3 | YUETAO OF GUANGZHOU | 21 | 4♠ | ♥J | +3 | +17 |
| +6.1 | Round 7 | BLADES | 16 | 3NT | ♥J | +1 | +1 |
| +5.9 | Round 5 | HK ZEN | 6 | 6♣ | ♠10 | +1 | +13 |
| +5.0 | Round 1 | TURKEY | 4 | 1NT | ♦2 | -2 | +2 |
| +4.9 | Round 1 | TURKEY | 3 | 2♥ | ♦2 | -1 | +5 |
| +4.0 | Round 8 | FLEISHER | 22 | 6♦ | ♠A | -1 | +12 |
| +3.9 | Round 1 | TURKEY | 7 | 3NT | ♦2 | +2 | +1 |
| +3.5 | Round 4 | BULGARIAN ALL STARS | 28 | 4♥ | ♣A | -2 | +8 |
| +3.5 | Round 5 | HK ZEN | 1 | 2NT | ♥6 | +2 | +6 |
| +3.5 | Round 7 | BLADES | 15 | 4♠ | ♣K | = | -11 |
| +3.5 | Round 8 | FLEISHER | 28 | 5♥ | ♣3 | -2 | +11 |
| +3.0 | Round 3 | YUETAO OF GUANGZHOU | 20 | 3NT | ♠7 | +1 | -12 |
| +2.9 | Round 2 | ZHONGSHAN JIEGAO | 8 | 1NT | ♣4 | +1 | +6 |
| +2.9 | Round 3 | YUETAO OF GUANGZHOU | 19 | 3NT | ♦5 | +2 | -17 |
| +2.6 | Round 2 | ZHONGSHAN JIEGAO | 9 | 3♣ | ♦A | +2 | +6 |
| +2.6 | Round 7 | BLADES | 21 | 2♠ | ♣3 | +1 | +0 |
| +2.5 | Round 2 | ZHONGSHAN JIEGAO | 13 | 4♠x | ♥8 | -2 | +4 |
| +1.7 | Round 1 | TURKEY | 1 | 3♣ | ♠2 | -3 | +6 |
| +1.0 | Round 5 | HK ZEN | 7 | 4♠ | ♥6 | = | +0 |
| +0.9 | Round 4 | BULGARIAN ALL STARS | 22 | 1NT | ♣7 | +1 | +1 |
| +0.9 | Round 6 | ZAWADA | 13 | 2♠ | ♥5 | +1 | +0 |
| +0.8 | Round 2 | ZHONGSHAN JIEGAO | 12 | 1NT | ♠2 | = | -2 |
| +0.4 | Round 5 | HK ZEN | 5 | 2♥ | ♣A | +1 | +0 |
| -0.0 | Round 4 | BULGARIAN ALL STARS | 25 | 3NT | ♣4 | +2 | -12 |
| -0.1 | Round 4 | BULGARIAN ALL STARS | 26 | 5♦ | ♥2 | +1 | -13 |
| -0.2 | Round 5 | HK ZEN | 3 | 2NT | ♠5 | -1 | -5 |
| -0.2 | Round 8 | FLEISHER | 23 | 1NT | ♠9 | -1 | +0 |
| -0.3 | Round 7 | BLADES | 17 | 2♠ | ♦8 | +2 | -1 |
| -0.3 | Round 7 | BLADES | 20 | 4♥ | ♦6 | +2 | +13 |
| -0.6 | Round 3 | YUETAO OF GUANGZHOU | 17 | 2♠ | ♣3 | -1 | -3 |
| -0.6 | Round 3 | YUETAO OF GUANGZHOU | 18 | 1NT | ♥3 | -2 | +0 |
| -0.6 | Round 5 | HK ZEN | 2 | 2♥ | ♠10 | +1 | +0 |
| -0.7 | Round 2 | ZHONGSHAN JIEGAO | 14 | 2♥ | ♥4 | -1 | +2 |
| -0.8 | Round 1 | TURKEY | 5 | 1NT | ♦2 | +3 | -1 |
| -1.2 | Round 6 | ZAWADA | 11 | 4♠ | ♥5 | -2 | +1 |
| -1.5 | Round 4 | BULGARIAN ALL STARS | 24 | 3NT | ♠5 | +1 | +1 |
| -1.5 | Round 8 | FLEISHER | 27 | 3♠ | ♥J | -1 | +2 |
| -1.8 | Round 7 | BLADES | 18 | 2NT | ♦2 | -1 | -5 |
| -1.9 | Round 1 | TURKEY | 2 | 3NT | ♥2 | -2 | -6 |
| -2.0 | Round 3 | YUETAO OF GUANGZHOU | 15 | 2♠ | ♦4 | = | +0 |
| -2.0 | Round 4 | BULGARIAN ALL STARS | 23 | 6♣ | ♠10 | -1 | -17 |
| -2.0 | Round 8 | FLEISHER | 26 | 3NT | ♠3 | = | +0 |
| -2.2 | Round 5 | HK ZEN | 4 | 2♠ | ♣3 | +3 | -9 |
| -2.6 | Round 8 | FLEISHER | 24 | 5♥ | ♠Q | = | +0 |
| -2.7 | Round 4 | BULGARIAN ALL STARS | 27 | 3♣ | ♥3 | +2 | -6 |
| -2.8 | Round 7 | BLADES | 19 | 3♥ | ♠7 | -2 | -2 |
| -3.3 | Round 6 | ZAWADA | 10 | 3NT | ♥5 | -1 | -6 |
| -4.2 | Round 6 | ZAWADA | 8 | 3♣ | ♥5 | = | -8 |
| -4.2 | Round 6 | ZAWADA | 14 | 5♥ | ♥5 | = | -4 |
| -5.0 | Round 3 | YUETAO OF GUANGZHOU | 16 | 6♦ | ♥8 | = | +2 |
| -5.0 | Round 6 | ZAWADA | 12 | 3NT | ♠2 | -2 | -11 |
| -6.2 | Round 1 | TURKEY | 6 | 3NT | ♠Q | = | -11 |
| -7.9 | Round 6 | ZAWADA | 9 | 3♥ | ♥5 | +1 | -15 |
| -9.2 | Round 2 | ZHONGSHAN JIEGAO | 10 | 6♦ | ♥5 | -2 | -13 |