ZHANG Yu · GEELY AUTOMOBILE
vs par split: bidding +1.66 · play +0.57
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.91/bd
Card play — on target: opening leads 90.0% #79 of 398 · declarer play 72.7% #192 of 398 · defence 89.5% #122 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (8) |
| Declarer play | 100.0% (1) | 70.0% (10) |
| Defence | 100.0% (6) | 84.6% (13) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (7) · ♦ 50.0% (2)
vs par by strain: NT +1.89 (9) · a suit +2.35 (26)
vs par by level: part-score -0.13 (15) · game +3.06 (17) · slam +9.33 (3)
By role: declaring +1.67/bd (+0.69 vs par · 16) · defending +0.05/bd (+3.53 vs par · 19)
By vulnerability: vulnerable +1.68/bd (+3.16 vs par · 19) · not vulnerable -0.27/bd (+1.12 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | J.Dai | D.Chen – M.Sun | Open | 7 | -8.5 | -1.21 | -0.43 |
| Round 4 | J.Dai | Y.Lin – Y.Liang | Open | 7 | +27.3 | +3.90 | +4.86 |
| Round 5 | J.Dai | B.Liu – Y.Zhang | Open | 7 | +13.1 | +1.87 | +1.29 |
| Round 7 | J.Dai | Q.Zhou – L.Bao | Closed | 7 | +0.2 | +0.03 | +4.86 |
| Round 8 | J.Dai | C.Willenken – D.Berkowitz | Open | 7 | -4.4 | -0.63 | +0.57 |
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 4 | PING AN CHINA | 25 | 5♣ | ♥A | -1 | +10 |
| +8.3 | Round 8 | WILLENKEN | 23 | 3NT | ♠Q | -4 | +14 |
| +8.1 | Round 4 | PING AN CHINA | 22 | 6♦ | ♠3 | = | -2 |
| +7.1 | Round 4 | PING AN CHINA | 23 | 6♥ | ♦3 | -1 | +17 |
| +5.4 | Round 5 | TIANYA BRIDGE FATE | 3 | 4♥ | ♣J | +1 | +0 |
| +4.8 | Round 4 | PING AN CHINA | 27 | 3♠ | ♣A | = | +6 |
| +4.6 | Round 8 | WILLENKEN | 27 | 4♠ | ♥8 | -1 | +5 |
| +4.2 | Round 7 | NORCO | 21 | 4♠ | ♠5 | -1 | +6 |
| +4.0 | Round 3 | YEH MIX | 15 | 4♥ | ♣A | = | +8 |
| +3.4 | Round 5 | TIANYA BRIDGE FATE | 7 | 2♥ | ♦A | +2 | +7 |
| +2.9 | Round 7 | NORCO | 19 | 3♠ | ♠3 | -2 | +5 |
| +2.5 | Round 5 | TIANYA BRIDGE FATE | 4 | 3NT | ♥5 | = | -2 |
| +2.4 | Round 4 | PING AN CHINA | 26 | 1NT | ♣A | = | +11 |
| +2.2 | Round 7 | NORCO | 16 | 2♠ | ♣K | +2 | +1 |
| +2.2 | Round 7 | NORCO | 20 | 2♠ | ♦J | = | +0 |
| +1.5 | Round 5 | TIANYA BRIDGE FATE | 6 | 4♠ | ♦A | = | -1 |
| +0.9 | Round 4 | PING AN CHINA | 28 | 2♥ | ♠A | +1 | +0 |
| +0.8 | Round 5 | TIANYA BRIDGE FATE | 1 | 5♠x | ♥Q | -2 | +5 |
| +0.1 | Round 8 | WILLENKEN | 28 | 4♥ | ♠2 | -2 | +1 |
| -0.1 | Round 3 | YEH MIX | 19 | 4♥ | ♦3 | +1 | +0 |
| -0.1 | Round 5 | TIANYA BRIDGE FATE | 2 | 4♥ | ♠J | +1 | +0 |
| -0.4 | Round 3 | YEH MIX | 20 | 3NT | ♠8 | +1 | +1 |
| -0.4 | Round 5 | TIANYA BRIDGE FATE | 5 | 2♠ | ♥5 | +1 | +0 |
| -0.6 | Round 7 | NORCO | 17 | 3NT | ♠K | = | +11 |
| -1.0 | Round 3 | YEH MIX | 21 | 5♠ | ♦2 | = | +0 |
| -1.3 | Round 3 | YEH MIX | 17 | 3NT | ♣A | -2 | -6 |
| -1.9 | Round 7 | NORCO | 15 | 3♣ | ♣Q | +3 | -2 |
| -2.3 | Round 8 | WILLENKEN | 22 | 2♠ | ♥2 | = | +0 |
| -3.7 | Round 8 | WILLENKEN | 24 | 1NT | ♥2 | +4 | -6 |
| -4.1 | Round 8 | WILLENKEN | 26 | 3♥ | ♣A | -1 | +0 |
| -4.6 | Round 3 | YEH MIX | 16 | 1NTx | ♠9 | +1 | -6 |
| -5.1 | Round 3 | YEH MIX | 18 | 3NT | ♦A | = | +0 |
| -5.6 | Round 4 | PING AN CHINA | 24 | 2♠ | ♥J | -2 | -8 |
| -7.3 | Round 8 | WILLENKEN | 25 | 2♠ | ♥2 | +1 | -10 |
| -8.8 | Round 7 | NORCO | 18 | 6♠ | ♥A | +1 | +13 |