ZHOU Tao · MINGXIN GROUP
533rank
-43.5Butler · 100 bds
-0.43per board
±4.4swing
-1.30vs par /bd · #550/567
-0.61adjusted /bd
by round
vs par split: bidding -0.87 · play -0.43
Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted -0.61/bd
Card play — on target: opening leads 57.1% #559 of 567 · declarer play 81.0% #186 of 567 · defence 70.2% #554 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 42.9% (7) | 64.3% (14) |
| Declarer play | 87.5% (8) | 76.9% (13) |
| Defence | 64.3% (14) | 72.7% (33) |
Opening leads by suit led: ♠ 42.9% (7) · ♥ 50.0% (2) · ♦ 71.4% (7) · ♣ 60.0% (5)
vs par by strain: NT -0.67 (30) · a suit -1.57 (70)
vs par by level: part-score -0.62 (42) · game -1.65 (54) · slam -3.75 (4)
By role: declaring +0.57/bd (-1.81 vs par · 53) · defending -1.57/bd (-0.72 vs par · 47)
By vulnerability: vulnerable -0.14/bd (-0.88 vs par · 50) · not vulnerable -0.73/bd (-1.72 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.He | W.Gawel – R.Jagniewski | Closed | 10 | -12.6 | -1.26 | -2.20 |
| Round 2 | X.He | R.Khandelwal – R.Krishnan | Open | 10 | +8.4 | +0.84 | -1.00 |
| Round 4 | X.He | M.Vanuzzi – P.Uggeri | Open | 10 | +3.4 | +0.34 | +0.80 |
| Round 5 | X.He | S.Basu – B.Dey | Closed | 10 | -25.3 | -2.53 | -3.10 |
| Round 6 | X.He | F.Yu – R.Zhang | Closed | 10 | -10.4 | -1.04 | +0.50 |
| Round 8 | X.He | L.Qi – S.Liu | Closed | 10 | +10.5 | +1.05 | +0.60 |
| Round 9 | X.He | H.Liu – Y.Zhang | Closed | 10 | +7.1 | +0.71 | -2.90 |
| Round 11 | X.He | X.Hua – D.Fei | Open | 10 | -6.7 | -0.67 | -1.00 |
| Round 13 | X.He | L.Chen – H.So | Closed | 10 | -19.4 | -1.94 | -3.40 |
| Round 14 | X.He | Y.Zheng – W.Wang | Open | 10 | +1.5 | +0.15 | -1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 8 | WUHAN JIANG AN AREA | 17 | 4♥x | ♦Q | = | +12 |
| +9.6 | Round 6 | SHANGHAI GUHUA | 28 | 3NT | ♥2 | = | +10 |
| +8.7 | Round 4 | ITALY Mixed | 7 | 4♠ | ♥A | = | +10 |
| +7.7 | Round 9 | HENGZHOU FINANCE | 23 | 6♦ | ♥9 | = | -8 |
| +6.4 | Round 9 | HENGZHOU FINANCE | 22 | 3NT | ♠3 | = | +7 |
| +6.3 | Round 2 | NAMO KK | 17 | 4♠ | ♠5 | = | +0 |
| +6.3 | Round 4 | ITALY Mixed | 2 | 6♥x | ♣K | -1 | +7 |
| +6.2 | Round 5 | INDIA TSANGPO | 19 | 4♠ | ♦3 | = | +7 |
| +5.9 | Round 11 | WUHAN ENGINEERING | 15 | 4♠ | ♦5 | +1 | +0 |
| +5.7 | Round 13 | CHINESE TAIPEI Mixed | 5 | 4♥ | ♥4 | -1 | -2 |
| +5.1 | Round 1 | POLMANY | 7 | 2♠ | ♦A | = | +6 |
| +5.0 | Round 8 | WUHAN JIANG AN AREA | 12 | 5♣ | ♦2 | +1 | +11 |
| +4.6 | Round 11 | WUHAN ENGINEERING | 13 | 3NT | ♠3 | = | +10 |
| +4.5 | Round 6 | SHANGHAI GUHUA | 29 | 3NT | ♥9 | +3 | +12 |
| +4.5 | Round 13 | CHINESE TAIPEI Mixed | 8 | 6♦ | ♠A | = | +0 |
| +4.5 | Round 14 | ASYMCHEM | 17 | 2♠ | ♦10 | +3 | +6 |
| +4.1 | Round 6 | SHANGHAI GUHUA | 24 | 5♦ | ♣6 | -2 | +5 |
| +3.9 | Round 11 | WUHAN ENGINEERING | 18 | 4♠ | ♣2 | -1 | +4 |
| +3.8 | Round 2 | NAMO KK | 11 | 5♦ | ♥2 | +1 | +0 |
| +3.8 | Round 2 | NAMO KK | 16 | 3NT | ♠10 | = | +7 |
| +3.2 | Round 14 | ASYMCHEM | 16 | 3♠ | ♥A | = | +0 |
| +2.7 | Round 14 | ASYMCHEM | 18 | 4♥ | ♠10 | = | +3 |
| +2.3 | Round 1 | POLMANY | 9 | 3♦ | ♣A | +1 | -2 |
| +2.1 | Round 1 | POLMANY | 6 | 3♥ | ♥5 | = | -7 |
| +2.1 | Round 2 | NAMO KK | 12 | 3♠ | ♥Q | = | -8 |
| +2.1 | Round 5 | INDIA TSANGPO | 14 | 2NT | ♥8 | = | +6 |
| +2.1 | Round 9 | HENGZHOU FINANCE | 21 | 3♠ | ♦A | = | +7 |
| +2.0 | Round 4 | ITALY Mixed | 6 | 2NT | ♠7 | -2 | +3 |
| +1.9 | Round 14 | ASYMCHEM | 11 | 3NT | ♣10 | = | -1 |
| +1.7 | Round 5 | INDIA TSANGPO | 12 | 2♠ | ♠5 | = | +0 |
| +1.7 | Round 8 | WUHAN JIANG AN AREA | 18 | 5♦ | ♣5 | = | -2 |
| +1.3 | Round 9 | HENGZHOU FINANCE | 27 | 3♥ | ♠2 | -2 | +8 |
| +1.2 | Round 2 | NAMO KK | 18 | 2♥ | ♣5 | -1 | +4 |
| +1.2 | Round 2 | NAMO KK | 19 | 3♦ | ♦6 | +1 | +0 |
| +1.2 | Round 9 | HENGZHOU FINANCE | 28 | 3♥ | ♦4 | -1 | +4 |
| +1.0 | Round 8 | WUHAN JIANG AN AREA | 16 | 3♦ | ♠Q | -1 | +5 |
| +0.8 | Round 14 | ASYMCHEM | 13 | 2♣ | ♥Q | = | -1 |
| +0.7 | Round 1 | POLMANY | 10 | 3♥ | ♣9 | -1 | +1 |
| +0.6 | Round 2 | NAMO KK | 14 | 3♦ | ♥7 | = | +5 |
| +0.5 | Round 4 | ITALY Mixed | 5 | 4♠ | ♣K | = | +0 |
| +0.5 | Round 9 | HENGZHOU FINANCE | 26 | 3NT | ♥8 | +2 | -12 |
| +0.0 | Round 6 | SHANGHAI GUHUA | 26 | 2♦ | ♥3 | +1 | +0 |
| -0.0 | Round 8 | WUHAN JIANG AN AREA | 11 | 4♠ | ♠8 | +1 | +0 |
| -0.1 | Round 1 | POLMANY | 3 | 1NT | ♦K | = | -2 |
| -0.1 | Round 9 | HENGZHOU FINANCE | 24 | 3♥ | ♦5 | -1 | -4 |
| -0.2 | Round 5 | INDIA TSANGPO | 11 | 3♠ | ♦9 | = | +0 |
| -0.2 | Round 13 | CHINESE TAIPEI Mixed | 7 | 3NT | ♥Q | = | +2 |
| -0.3 | Round 4 | ITALY Mixed | 1 | 4♥ | ♠K | +1 | +0 |
| -0.4 | Round 4 | ITALY Mixed | 9 | 2♥ | ♠A | -1 | +5 |
| -0.5 | Round 8 | WUHAN JIANG AN AREA | 15 | 3NT | ♠2 | = | -1 |
| -0.5 | Round 11 | WUHAN ENGINEERING | 14 | 4♣ | ♣A | +1 | +1 |
| -0.5 | Round 14 | ASYMCHEM | 14 | 1NT | ♣9 | = | +1 |
| -0.6 | Round 1 | POLMANY | 1 | 2♠ | ♣8 | +2 | -6 |
| -0.6 | Round 4 | ITALY Mixed | 3 | 4♥ | ♠K | +2 | -11 |
| -0.6 | Round 14 | ASYMCHEM | 12 | 3NT | ♠3 | +1 | +0 |
| -0.7 | Round 8 | WUHAN JIANG AN AREA | 13 | 3♠ | ♠3 | -1 | -1 |
| -0.7 | Round 9 | HENGZHOU FINANCE | 25 | 3NT | ♠7 | +4 | -10 |
| -0.8 | Round 11 | WUHAN ENGINEERING | 20 | 1NT | ♠10 | = | -1 |
| -1.1 | Round 13 | CHINESE TAIPEI Mixed | 9 | 3NT | ♠6 | = | +0 |
| -1.2 | Round 8 | WUHAN JIANG AN AREA | 20 | 2♥ | ♣J | = | -6 |
| -1.3 | Round 6 | SHANGHAI GUHUA | 21 | 3NTx | ♥J | -1 | +5 |
| -1.5 | Round 1 | POLMANY | 2 | 4♦ | ♠4 | = | +0 |
| -1.6 | Round 2 | NAMO KK | 13 | 1NT | ♦Q | +1 | +0 |
| -1.6 | Round 5 | INDIA TSANGPO | 15 | 2♥ | ♠A | = | -5 |
| -1.6 | Round 6 | SHANGHAI GUHUA | 23 | 2♠ | ♣5 | +1 | +0 |
| -1.7 | Round 5 | INDIA TSANGPO | 18 | 3NT | ♠6 | -1 | -6 |
| -1.8 | Round 13 | CHINESE TAIPEI Mixed | 4 | 2♥ | ♣8 | +1 | -1 |
| -1.9 | Round 8 | WUHAN JIANG AN AREA | 14 | 5♦ | ♣7 | = | -2 |
| -2.2 | Round 4 | ITALY Mixed | 8 | 2♠ | ♣10 | = | +0 |
| -2.4 | Round 11 | WUHAN ENGINEERING | 12 | 3NT | ♠10 | +2 | -1 |
| -2.4 | Round 14 | ASYMCHEM | 19 | 2♠ | ♦2 | -1 | -4 |
| -2.8 | Round 14 | ASYMCHEM | 20 | 2♥ | ♦A | = | -6 |
| -3.2 | Round 11 | WUHAN ENGINEERING | 16 | 4♥ | ♣9 | -1 | -5 |
| -3.3 | Round 2 | NAMO KK | 15 | 4♥ | ♦8 | = | -6 |
| -3.3 | Round 9 | HENGZHOU FINANCE | 30 | 5♠ | ♦A | -2 | -11 |
| -3.6 | Round 6 | SHANGHAI GUHUA | 27 | 5♠x | ♥A | -1 | -9 |
| -3.7 | Round 8 | WUHAN JIANG AN AREA | 19 | 3NT | ♠2 | -1 | -10 |
| -4.0 | Round 11 | WUHAN ENGINEERING | 19 | 3NT | ♦2 | = | +0 |
| -4.1 | Round 5 | INDIA TSANGPO | 16 | 3NT | ♠Q | -1 | -10 |
| -4.1 | Round 6 | SHANGHAI GUHUA | 22 | 4♥ | ♦Q | -1 | -5 |
| -4.1 | Round 13 | CHINESE TAIPEI Mixed | 2 | 2♠ | ♣7 | +1 | -12 |
| -4.4 | Round 5 | INDIA TSANGPO | 13 | 3NT | ♦6 | = | +1 |
| -4.6 | Round 11 | WUHAN ENGINEERING | 11 | 3NT | ♠7 | = | -7 |
| -4.9 | Round 1 | POLMANY | 5 | 4♠ | ♣7 | +1 | -1 |
| -4.9 | Round 4 | ITALY Mixed | 10 | 2♦ | ♦5 | +2 | -6 |
| -4.9 | Round 13 | CHINESE TAIPEI Mixed | 6 | 4♥ | ♣3 | -1 | -10 |
| -4.9 | Round 13 | CHINESE TAIPEI Mixed | 10 | 3♦ | ♠J | -2 | -2 |
| -5.3 | Round 14 | ASYMCHEM | 15 | 4♠ | ♥2 | +1 | -11 |
| -5.6 | Round 11 | WUHAN ENGINEERING | 17 | 2♥ | ♠2 | +1 | -11 |
| -5.6 | Round 13 | CHINESE TAIPEI Mixed | 3 | 3NT | ♥J | = | +1 |
| -5.7 | Round 2 | NAMO KK | 20 | 4♠ | ♥A | -1 | -12 |
| -5.7 | Round 4 | ITALY Mixed | 4 | 3NT | ♠7 | +2 | +0 |
| -7.0 | Round 13 | CHINESE TAIPEI Mixed | 1 | 4♥ | ♦Q | -1 | -10 |
| -7.5 | Round 6 | SHANGHAI GUHUA | 30 | 2♠x | ♦K | -3 | -3 |
| -7.7 | Round 1 | POLMANY | 8 | 4♠ | ♣10 | +1 | -1 |
| -8.0 | Round 1 | POLMANY | 4 | 4♥ | ♣4 | = | -10 |
| -8.0 | Round 9 | HENGZHOU FINANCE | 29 | 4♠ | ♠3 | = | -10 |
| -9.5 | Round 5 | INDIA TSANGPO | 20 | 4♠ | ♦10 | = | -10 |
| -10.5 | Round 6 | SHANGHAI GUHUA | 25 | 3NT | ♥2 | = | -10 |
| -13.8 | Round 5 | INDIA TSANGPO | 17 | 6NTx | ♦5 | -4 | -14 |