CHEN Jun · WEST VIP
vs par split: bidding -1.00 · play -1.46
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -1.68/bd
Card play — on target: opening leads 100.0% #1 of 398 · declarer play 77.8% #152 of 398 · defence 71.4% #384 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (2) |
| Declarer play | 100.0% (1) | 75.0% (8) |
| Defence | 66.7% (6) | 75.0% (8) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -1.44 (9) · a suit -2.95 (19)
vs par by level: part-score -3.44 (9) · game -1.59 (17) · slam -5.50 (2)
By role: declaring -0.63/bd (-2.36 vs par · 14) · defending -2.51/bd (-2.57 vs par · 14)
By vulnerability: vulnerable -0.52/bd (-0.77 vs par · 13) · not vulnerable -2.47/bd (-3.93 vs par · 15)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Zhang | W.Yue – X.Li | Open | 7 | -10.3 | -1.47 | -2.14 |
| Round 3 | Y.Zhang | H.Yokoi – H.Kim | Open | 7 | -10.8 | -1.54 | -0.86 |
| Round 6 | M.Yin | H.Long – W.Gong | Open | 7 | -13.5 | -1.93 | -3.71 |
| Round 8 | Y.Zhang | J.Rosenfeld – J.Gu | Closed | 7 | -9.3 | -1.33 | -3.14 |
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 |
|---|---|---|---|---|---|---|---|
| +6.6 | Round 6 | MEIKUANGTIXIE | 12 | 6♥ | ♠4 | = | +1 |
| +5.2 | Round 2 | SHANDONGPUSHI TEAM | 14 | 5♦ | ♦2 | = | -2 |
| +4.7 | Round 8 | PANDA | 22 | 3♥ | ♠6 | -2 | +3 |
| +4.0 | Round 3 | SOUL | 15 | 4♥ | ♣K | = | +8 |
| +1.3 | Round 2 | SHANDONGPUSHI TEAM | 13 | 3NT | ♥2 | +1 | +1 |
| +1.1 | Round 6 | MEIKUANGTIXIE | 10 | 4♥ | ♣3 | +1 | +0 |
| +0.9 | Round 3 | SOUL | 19 | 5♥ | ♦3 | +1 | +1 |
| +0.4 | Round 3 | SOUL | 17 | 3♦ | ♦A | -1 | -5 |
| -0.3 | Round 6 | MEIKUANGTIXIE | 9 | 4♥ | ♣10 | +1 | +0 |
| -0.7 | Round 8 | PANDA | 26 | 3♣ | ♦J | -1 | -5 |
| -1.0 | Round 3 | SOUL | 21 | 3NT | ♥3 | +2 | +0 |
| -1.4 | Round 2 | SHANDONGPUSHI TEAM | 9 | 2♠ | ♣6 | +1 | -7 |
| -1.4 | Round 3 | SOUL | 20 | 3NT | ♠8 | +2 | +0 |
| -1.8 | Round 8 | PANDA | 28 | 3♥ | ♠8 | -1 | -3 |
| -2.1 | Round 2 | SHANDONGPUSHI TEAM | 11 | 3♦ | ♥10 | = | +1 |
| -2.1 | Round 8 | PANDA | 25 | 5♠x | ♥5 | -2 | +0 |
| -2.2 | Round 8 | PANDA | 24 | 3NT | ♥3 | +2 | +0 |
| -2.3 | Round 2 | SHANDONGPUSHI TEAM | 10 | 3NT | ♣8 | = | +0 |
| -2.6 | Round 8 | PANDA | 23 | 2♠ | ♣A | = | -12 |
| -3.5 | Round 6 | MEIKUANGTIXIE | 13 | 1NT | ♦K | -3 | +7 |
| -4.2 | Round 6 | MEIKUANGTIXIE | 11 | 4♠ | ♣3 | +2 | -11 |
| -4.6 | Round 8 | PANDA | 27 | 4♠ | ♥3 | -1 | -5 |
| -5.1 | Round 3 | SOUL | 18 | 3NT | ♥K | = | +0 |
| -5.2 | Round 2 | SHANDONGPUSHI TEAM | 12 | 4♠ | ♦4 | = | -3 |
| -5.8 | Round 2 | SHANDONGPUSHI TEAM | 8 | 5♠x | ♥6 | -2 | -5 |
| -6.2 | Round 6 | MEIKUANGTIXIE | 14 | 3NT | ♠Q | -4 | -11 |
| -7.0 | Round 6 | MEIKUANGTIXIE | 8 | 6♠x | ♣K | -2 | -12 |
| -8.6 | Round 3 | SOUL | 16 | 1NTx | ♥7 | +2 | -10 |