ZHOU Lei · BANK OF CHINA IN HAINAN
vs par split: bidding -0.71 · play +0.06
Strength of schedule: opponents averaged -0.30/bd (an easy draw) → opponent-adjusted +0.16/bd
Card play — on target: opening leads 57.1% #539 of 579 · declarer play 70.0% #339 of 579 · defence 93.8% #115 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 60.0% (5) |
| Declarer play | 100.0% (2) | 62.5% (8) |
| Defence | 100.0% (6) | 90.0% (10) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 0.0% (1) · ♦ 100.0% (3) · ♣ 100.0% (1)
vs par by strain: NT +6.60 (10) · a suit -3.56 (25)
vs par by level: part-score -1.00 (19) · game +0.00 (14) · slam -2.00 (2)
By role: declaring +1.23/bd (-3.79 vs par · 19) · defending -0.46/bd (+3.06 vs par · 16)
By vulnerability: vulnerable -0.57/bd (-2.78 vs par · 18) · not vulnerable +1.54/bd (+1.59 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Zhang | P.Zimmermann – F.Multon | Closed | 7 | -1.0 | -0.14 | +1.43 |
| Round 3 | W.Zhang | J.Shih – P.Wang | Open | 7 | -13.7 | -1.96 | +0.71 |
| Round 4 | W.Zhang | T.Chung – J.Chung | Open | 7 | +24.3 | +3.47 | -1.71 |
| Round 6 | W.Zhang | W.Yue – D.Sun | Closed | 7 | +8.2 | +1.17 | -2.43 |
| Round 7 | W.Zhang | A.Malhotra – H.Jalan | Closed | 7 | -1.8 | -0.26 | -1.29 |
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 |
|---|---|---|---|---|---|---|---|
| +14.7 | Round 4 | CTBA | 23 | 6♣ | ♠10 | = | -2 |
| +8.8 | Round 4 | CTBA | 27 | 3♣x | ♦A | +2 | +7 |
| +7.2 | Round 6 | HEILONGJIANG TEAM | 14 | 5♣ | ♠A | -1 | +8 |
| +6.5 | Round 6 | HEILONGJIANG TEAM | 12 | 3NT | ♠2 | +1 | +0 |
| +6.2 | Round 1 | MONACO | 6 | 3NT | ♦Q | = | +11 |
| +5.0 | Round 3 | YEH MIX | 16 | 6♦ | ♦A | = | -2 |
| +3.5 | Round 7 | HEMANT JALAN | 21 | 3♠ | ♦2 | +1 | +1 |
| +2.8 | Round 7 | HEMANT JALAN | 18 | 2NT | ♥3 | = | -1 |
| +1.9 | Round 1 | MONACO | 4 | 1NT | ♣6 | = | +5 |
| +1.1 | Round 6 | HEILONGJIANG TEAM | 9 | 5♦ | ♣A | +1 | -13 |
| +0.8 | Round 4 | CTBA | 28 | 3NT | ♣5 | -1 | +6 |
| +0.7 | Round 3 | YEH MIX | 18 | 2♥ | ♥5 | = | +0 |
| +0.7 | Round 4 | CTBA | 26 | 5♦ | ♠7 | +2 | -13 |
| +0.6 | Round 7 | HEMANT JALAN | 17 | 2♠ | ♦6 | +1 | +0 |
| +0.2 | Round 6 | HEILONGJIANG TEAM | 8 | 2♠x | ♣A | -2 | -4 |
| -0.0 | Round 4 | CTBA | 22 | 3♥ | ♦4 | = | +0 |
| -0.0 | Round 4 | CTBA | 25 | 4♠ | ♦J | +1 | -12 |
| -0.1 | Round 6 | HEILONGJIANG TEAM | 13 | 3♦ | ♠A | -1 | -1 |
| -0.2 | Round 1 | MONACO | 5 | 2♠ | ♠A | +1 | +0 |
| -0.4 | Round 7 | HEMANT JALAN | 16 | 2♥x | ♠A | -2 | -7 |
| -0.4 | Round 7 | HEMANT JALAN | 20 | 3NT | ♦6 | +3 | +12 |
| -0.5 | Round 3 | YEH MIX | 17 | 1NT | ♠K | = | +2 |
| -0.7 | Round 4 | CTBA | 24 | 3NT | ♠5 | = | +2 |
| -1.2 | Round 7 | HEMANT JALAN | 19 | 3♦ | ♣6 | +1 | +0 |
| -1.3 | Round 6 | HEILONGJIANG TEAM | 11 | 3♣ | ♦8 | = | +1 |
| -1.6 | Round 1 | MONACO | 3 | 2♣ | ♦9 | = | -1 |
| -1.7 | Round 1 | MONACO | 1 | 3♦ | ♠A | -3 | -6 |
| -2.2 | Round 1 | MONACO | 7 | 5♣ | ♥6 | = | +1 |
| -2.9 | Round 3 | YEH MIX | 19 | 3NT | ♦5 | +2 | +17 |
| -3.0 | Round 3 | YEH MIX | 20 | 3NT | ♠10 | +1 | +12 |
| -3.4 | Round 1 | MONACO | 2 | 2♠ | ♠9 | = | +0 |
| -5.4 | Round 3 | YEH MIX | 15 | 2♠ | ♥6 | -2 | -7 |
| -5.4 | Round 6 | HEILONGJIANG TEAM | 10 | 3♣ | ♦10 | -2 | -8 |
| -6.7 | Round 7 | HEMANT JALAN | 15 | 4♠ | ♥3 | -1 | -14 |
| -7.6 | Round 3 | YEH MIX | 21 | 4♠ | ♦K | +2 | -17 |