CHEN Zhi Hao · LUCKY SEVEN
vs par split: bidding -0.27 · play -0.34
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.36/bd
Card play — on target: opening leads 88.9% #23 of 187 · declarer play 70.6% #111 of 187 · defence 81.5% #150 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 84.6% (13) |
| Declarer play | 100.0% (6) | 54.5% (11) |
| Defence | 66.7% (6) | 85.7% (21) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 66.7% (3) · ♦ 100.0% (6) · ♣ 100.0% (2)
vs par by strain: NT -1.00 (14) · a suit -0.48 (42)
vs par by level: part-score -1.75 (16) · game +0.10 (39) · slam -10.00 (1)
By role: declaring -1.13/bd (-3.07 vs par · 29) · defending +0.56/bd (+2.04 vs par · 27)
By vulnerability: vulnerable -0.14/bd (+0.20 vs par · 30) · not vulnerable -0.52/bd (-1.54 vs par · 26)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Wang | S.Gui – L.Wang | Open | 7 | +5.8 | +0.83 | -0.57 |
| Round 2 | W.Wang | R.Taylor – A.Sontag | Open | 7 | +1.0 | +0.14 | +1.71 |
| Round 3 | W.Wang | P.Bertheau – J.Larsson | Open | 7 | +5.2 | +0.74 | -2.29 |
| Round 4 | W.Wang | C.Henner – S.Garner | Open | 7 | -20.8 | -2.97 | -4.29 |
| Round 5 | W.Wang | B.Pollack – R.Pollack | Open | 7 | -5.1 | -0.73 | +2.71 |
| Round 6 | W.Wang | H.Zhan – T.Liang | Open | 7 | -6.0 | -0.86 | -3.43 |
| Round 7 | W.Wang | S.Sun – R.Yan | Open | 7 | +7.4 | +1.06 | +1.00 |
| Round 8 | W.Wang | C.Nunes – S.Quinn | Open | 7 | -5.3 | -0.76 | +0.29 |
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 |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 8 | NUNES | 26 | 4♠ | ♥Q | -1 | +12 |
| +8.9 | Round 6 | NORCO | 9 | 4♣ | ♦5 | -1 | -8 |
| +7.6 | Round 1 | GEELY AUTOMOBILE | 5 | 1NTx | ♠3 | -2 | +5 |
| +5.3 | Round 5 | MOSS | 6 | 4♥ | ♦K | -1 | +9 |
| +4.7 | Round 7 | BEIJING TRINERGY | 19 | 4♠ | ♥Q | -1 | +5 |
| +4.6 | Round 1 | GEELY AUTOMOBILE | 7 | 4♠ | ♦K | -1 | +6 |
| +4.3 | Round 2 | TAYLOR | 9 | 2♥ | ♣10 | -1 | +1 |
| +4.3 | Round 3 | PLATINUM CEM | 17 | 5♦x | ♠5 | -2 | +5 |
| +4.1 | Round 4 | CHIME | 28 | 1NT | ♥K | = | +5 |
| +2.6 | Round 3 | PLATINUM CEM | 15 | 2♠ | ♦Q | +1 | +0 |
| +2.6 | Round 5 | MOSS | 3 | 3♥ | ♠9 | -1 | +3 |
| +2.6 | Round 7 | BEIJING TRINERGY | 16 | 4♠ | ♠Q | = | +0 |
| +2.4 | Round 7 | BEIJING TRINERGY | 18 | 4♠ | ♣Q | +1 | +0 |
| +2.3 | Round 3 | PLATINUM CEM | 16 | 3♦ | ♠4 | +1 | -7 |
| +2.0 | Round 2 | TAYLOR | 10 | 4♠ | ♣2 | +1 | +0 |
| +1.4 | Round 2 | TAYLOR | 11 | 5♦x | ♥A | -2 | +4 |
| +1.3 | Round 6 | NORCO | 12 | 1NT | ♣2 | +2 | +6 |
| +1.1 | Round 5 | MOSS | 5 | 1♠ | ♦4 | = | +0 |
| +0.8 | Round 8 | NUNES | 27 | 4♠ | ♥4 | = | +0 |
| +0.7 | Round 8 | NUNES | 23 | 3NT | ♠2 | +1 | -1 |
| +0.6 | Round 3 | PLATINUM CEM | 20 | 4♠ | ♦Q | = | -1 |
| +0.6 | Round 7 | BEIJING TRINERGY | 21 | 4♥ | ♠3 | -1 | -2 |
| +0.4 | Round 2 | TAYLOR | 14 | 4♠ | ♥8 | +2 | +14 |
| +0.4 | Round 3 | PLATINUM CEM | 19 | 3NT | ♣6 | = | +0 |
| +0.1 | Round 1 | GEELY AUTOMOBILE | 6 | 4♥ | ♥4 | +2 | -1 |
| +0.1 | Round 7 | BEIJING TRINERGY | 20 | 4♠ | ♥3 | = | +1 |
| -0.3 | Round 2 | TAYLOR | 13 | 3NT | ♥10 | +2 | +0 |
| -0.4 | Round 8 | NUNES | 22 | 4♥ | ♦4 | = | +1 |
| -0.5 | Round 1 | GEELY AUTOMOBILE | 3 | 3♣ | ♠J | -2 | -6 |
| -0.6 | Round 4 | CHIME | 22 | 4♠ | ♦A | +1 | +0 |
| -0.7 | Round 1 | GEELY AUTOMOBILE | 4 | 1NT | ♠2 | -1 | +1 |
| -1.1 | Round 6 | NORCO | 10 | 4♠ | ♦7 | = | +0 |
| -1.4 | Round 1 | GEELY AUTOMOBILE | 2 | 3NT | ♠A | +2 | -1 |
| -1.4 | Round 7 | BEIJING TRINERGY | 17 | 4♠ | ♦10 | +1 | +0 |
| -1.6 | Round 5 | MOSS | 4 | 4♠ | ♣8 | +1 | +0 |
| -1.6 | Round 7 | BEIJING TRINERGY | 15 | 3♦ | ♥A | -3 | +3 |
| -2.0 | Round 2 | TAYLOR | 8 | 4♠x | ♥Q | -1 | +0 |
| -2.1 | Round 3 | PLATINUM CEM | 21 | 4♥ | ♣7 | +1 | +0 |
| -2.2 | Round 4 | CHIME | 23 | 3NT | ♠10 | +1 | -1 |
| -2.2 | Round 4 | CHIME | 24 | 2NT | ♦9 | -1 | -4 |
| -2.5 | Round 6 | NORCO | 8 | 3NT | ♥10 | -1 | -5 |
| -2.6 | Round 6 | NORCO | 13 | 4♥x | ♣6 | -1 | +0 |
| -2.9 | Round 3 | PLATINUM CEM | 18 | 3NT | ♣3 | -1 | -13 |
| -3.0 | Round 8 | NUNES | 24 | 4♥ | ♠Q | = | +0 |
| -3.2 | Round 5 | MOSS | 1 | 4♠ | ♦3 | = | +0 |
| -3.4 | Round 4 | CHIME | 25 | 5♦ | ♦4 | -1 | -6 |
| -3.9 | Round 1 | GEELY AUTOMOBILE | 1 | 3♥x | ♦A | -1 | -8 |
| -4.0 | Round 6 | NORCO | 14 | 4♠ | ♥8 | -2 | -6 |
| -4.2 | Round 5 | MOSS | 2 | 3NT | ♠7 | -1 | -6 |
| -4.8 | Round 2 | TAYLOR | 12 | 3♥ | ♥7 | = | -7 |
| -4.8 | Round 8 | NUNES | 25 | 3NT | ♣4 | +2 | +0 |
| -5.1 | Round 5 | MOSS | 7 | 4♠ | ♠2 | +2 | +13 |
| -6.0 | Round 6 | NORCO | 11 | 4♥ | ♠7 | -1 | -11 |
| -6.5 | Round 4 | CHIME | 26 | 4♣ | ♥A | +2 | -12 |
| -7.9 | Round 8 | NUNES | 28 | 6♥x | ♦Q | -2 | -10 |
| -10.0 | Round 4 | CHIME | 27 | 4♠x | ♠3 | -3 | -12 |