ZHOU Shaotao · KALAJUN-XINJIANG
vs par split: bidding +0.93 · play +0.79
Strength of schedule: opponents averaged -0.39/bd (an easy draw) → opponent-adjusted +0.09/bd
Card play — on target: opening leads 75.0% #317 of 579 · declarer play 66.7% #358 of 579 · defence 94.1% #101 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 100.0% (6) |
| Declarer play | 100.0% (1) | 60.0% (5) |
| Defence | 80.0% (5) | 100.0% (12) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 66.7% (3) · ♦ 100.0% (1) · ♣ 100.0% (2)
vs par by strain: NT +1.17 (6) · a suit +1.86 (22)
vs par by level: part-score +1.64 (11) · game +1.00 (14) · slam +5.33 (3)
By role: declaring +1.20/bd (-0.27 vs par · 11) · defending +0.01/bd (+3.00 vs par · 17)
By vulnerability: vulnerable +0.71/bd (+1.92 vs par · 13) · not vulnerable +0.28/bd (+1.53 vs par · 15)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | L.Zhang | M.Briciu – C.Teodorescu | Open | 7 | +3.6 | +0.51 | -1.57 |
| Round 5 | L.Zhang | G.Mcmullin – D.Korbel | Open | 7 | +9.0 | +1.29 | +1.00 |
| Round 6 | L.Zhang | S.Sun – M.Kang | Closed | 7 | -8.9 | -1.27 | +2.00 |
| Round 8 | L.Zhang | J.Xu – W.Tan | Closed | 7 | +9.7 | +1.39 | +5.43 |
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 |
|---|---|---|---|---|---|---|---|
| +6.0 | Round 5 | MCMULLIN | 4 | 4♠ | ♦Q | = | +0 |
| +5.9 | Round 5 | MCMULLIN | 6 | 6♣ | ♥J | +1 | +13 |
| +5.0 | Round 6 | CHINA OPN(B) | 13 | 3♠ | ♥Q | -1 | +6 |
| +4.5 | Round 2 | ROMANIA | 12 | 2♣ | ♠3 | +2 | +7 |
| +4.3 | Round 6 | CHINA OPN(B) | 8 | 2♠ | ♣A | -2 | +8 |
| +4.0 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 22 | 6NT | ♥9 | -1 | +12 |
| +3.5 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 28 | 4♥ | ♣3 | -2 | +11 |
| +3.1 | Round 2 | ROMANIA | 9 | 5♣ | ♦A | = | +0 |
| +2.6 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 23 | 1NT | ♠6 | -2 | +3 |
| +2.4 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 25 | 4♠x | ♦A | -2 | +7 |
| +1.5 | Round 2 | ROMANIA | 8 | 2♠ | ♥K | -1 | -2 |
| +1.1 | Round 2 | ROMANIA | 13 | 5♥ | ♠A | = | +0 |
| +1.0 | Round 5 | MCMULLIN | 7 | 4♠ | ♥5 | = | +0 |
| +0.9 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 27 | 4♣ | ♦8 | -1 | +4 |
| +0.4 | Round 5 | MCMULLIN | 5 | 3♥ | ♠K | = | +0 |
| +0.3 | Round 2 | ROMANIA | 11 | 4♠ | ♥K | +1 | -10 |
| -0.3 | Round 6 | CHINA OPN(B) | 11 | 3♦ | ♦8 | -1 | -2 |
| -0.6 | Round 5 | MCMULLIN | 2 | 3♥ | ♠9 | = | +0 |
| -1.1 | Round 6 | CHINA OPN(B) | 9 | 4♥ | ♣2 | = | +13 |
| -1.2 | Round 6 | CHINA OPN(B) | 10 | 2♠ | ♦K | +1 | +0 |
| -1.7 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 24 | 4♥ | ♠A | = | +1 |
| -1.8 | Round 5 | MCMULLIN | 1 | 3NT | ♥7 | = | +0 |
| -1.9 | Round 5 | MCMULLIN | 3 | 3NT | ♠2 | -2 | -6 |
| -2.0 | Round 8 | SHAOGUAN BRIDGE ASOCIATION | 26 | 3NT | ♠3 | = | +0 |
| -3.4 | Round 2 | ROMANIA | 14 | 2♥ | ♥5 | = | -6 |
| -3.5 | Round 2 | ROMANIA | 10 | 4♠ | ♦10 | = | +0 |
| -7.6 | Round 6 | CHINA OPN(B) | 12 | 3NT | ♥2 | +3 | -2 |
| -8.0 | Round 6 | CHINA OPN(B) | 14 | 6♥ | ♠A | -2 | -9 |