REN Yuandong · TIANJIN CONTRACT BRIDGE ASSOCI
vs par split: bidding -0.65 · play +1.00
Strength of schedule: opponents averaged -0.27/bd (an easy draw) → opponent-adjusted -0.80/bd
Card play — on target: opening leads 69.2% #320 of 398 · declarer play 60.0% #304 of 398 · defence 96.0% #22 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 70.0% (10) |
| Declarer play | 50.0% (2) | 66.7% (3) |
| Defence | 100.0% (5) | 95.0% (20) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 66.7% (3) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT -1.23 (13) · a suit +0.94 (35)
vs par by level: part-score +1.06 (16) · game -1.03 (29) · slam +10.00 (3)
By role: declaring -0.57/bd (-1.39 vs par · 23) · defending -0.51/bd (+2.04 vs par · 26)
By vulnerability: vulnerable -1.30/bd (+0.60 vs par · 25) · not vulnerable +0.26/bd (+0.25 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Q.Chen | L.Lau – J.Ouyang | Closed | 7 | -16.6 | -2.37 | -1.14 |
| Round 2 | Q.Chen | Y.Wang – L.Gu | Open | 7 | -2.0 | -0.29 | -0.86 |
| Round 3 | Y.Zhou | R.Levin – J.Levin | Open | 7 | -13.1 | -1.87 | -2.57 |
| Round 4 | Q.Chen | P.Han – Y.Gao | Closed | 7 | -16.1 | -2.30 | -0.14 |
| Round 5 | Q.Chen | K.Furuta – H.Oh | Closed | 7 | -9.5 | -1.36 | -0.86 |
| Round 7 | Q.Chen | W.Yue – X.Li | Closed | 7 | +30.4 | +4.34 | +7.14 |
| Round 8 | Q.Chen | J.Tao – X.Xue | Closed | 7 | +0.5 | +0.07 | +1.43 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 7 | SHANDONGPUSHI TEAM | 17 | 6♦ | ♠4 | -2 | +14 |
| +7.8 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 28 | 4♠ | ♠A | +1 | +7 |
| +6.8 | Round 7 | SHANDONGPUSHI TEAM | 15 | 5♣ | ♠K | -2 | +7 |
| +5.7 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 9 | 4♠ | ♣6 | -3 | +1 |
| +5.2 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 14 | 5♦ | ♦6 | = | -2 |
| +4.7 | Round 8 | HUOCHETOU BLUE | 23 | 3♥ | ♠7 | -2 | +12 |
| +4.2 | Round 7 | SHANDONGPUSHI TEAM | 21 | 4♠ | ♦5 | -1 | +6 |
| +4.0 | Round 7 | SHANDONGPUSHI TEAM | 19 | 4♠ | ♣K | -3 | +6 |
| +3.3 | Round 7 | SHANDONGPUSHI TEAM | 20 | 2♠ | ♥2 | +1 | +1 |
| +3.2 | Round 5 | SOUL | 1 | 5♥ | ♠A | +1 | -1 |
| +1.9 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 24 | 3NT | ♣J | +1 | -1 |
| +1.5 | Round 7 | SHANDONGPUSHI TEAM | 16 | 2♦ | ♥6 | -3 | +0 |
| +1.0 | Round 3 | DIAMOND | 21 | 5♠ | ♦2 | = | +0 |
| +1.0 | Round 7 | SHANDONGPUSHI TEAM | 18 | 7♣x | ♦A | -4 | +16 |
| +0.7 | Round 8 | HUOCHETOU BLUE | 26 | 3♣ | ♦J | -1 | +5 |
| +0.6 | Round 1 | HEY YO | 6 | Pass | +4 | ||
| +0.5 | Round 8 | HUOCHETOU BLUE | 24 | 5♦ | ♣2 | = | -2 |
| +0.4 | Round 1 | HEY YO | 4 | 1NT | ♥2 | = | +11 |
| +0.4 | Round 3 | DIAMOND | 20 | 3NT | ♠8 | +1 | -1 |
| +0.3 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 13 | 3NT | ♠3 | = | +0 |
| +0.3 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 26 | 3♠ | ♣K | +1 | +10 |
| +0.3 | Round 8 | HUOCHETOU BLUE | 27 | 4♣ | ♠J | +1 | +0 |
| +0.1 | Round 3 | DIAMOND | 19 | 4♥ | ♦2 | +1 | +0 |
| +0.1 | Round 5 | SOUL | 2 | 4♥ | ♠J | +1 | +0 |
| +0.1 | Round 8 | HUOCHETOU BLUE | 28 | 4♥ | ♣K | -2 | +1 |
| -0.1 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 25 | 3NT | ♠2 | = | +0 |
| -0.6 | Round 5 | SOUL | 5 | 2♠ | ♥5 | = | -1 |
| -0.9 | Round 3 | DIAMOND | 18 | 1NT | ♠9 | +2 | -6 |
| -1.0 | Round 3 | DIAMOND | 16 | 1NT | ♥7 | +2 | +0 |
| -1.3 | Round 1 | HEY YO | 2 | 4♥ | ♦A | = | -1 |
| -1.3 | Round 1 | HEY YO | 7 | 4♥ | ♦J | = | +1 |
| -1.3 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 27 | 3♣ | ♣A | -2 | +0 |
| -1.5 | Round 5 | SOUL | 6 | 4♠ | ♦K | = | +1 |
| -1.9 | Round 5 | SOUL | 7 | 2♥ | ♣6 | = | -6 |
| -2.1 | Round 1 | HEY YO | 5 | 5♦ | ♠A | -2 | -5 |
| -2.3 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 10 | 3NT | ♣8 | = | +0 |
| -2.3 | Round 8 | HUOCHETOU BLUE | 22 | 1NT | ♥5 | -1 | +0 |
| -2.5 | Round 5 | SOUL | 4 | 3NT | ♥J | = | +2 |
| -3.0 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 11 | 3♦ | ♥10 | +1 | +0 |
| -3.2 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 8 | 5♥ | ♠A | = | -2 |
| -3.5 | Round 8 | HUOCHETOU BLUE | 25 | 4♠ | ♥5 | -1 | -6 |
| -4.7 | Round 2 | ZHEJIANG JINJIANG BRIDGE CLUB | 12 | 3NT | ♣5 | = | -3 |
| -5.1 | Round 3 | DIAMOND | 17 | 3♠ | ♥A | = | -1 |
| -5.7 | Round 1 | HEY YO | 1 | 3NT | ♠4 | -1 | -10 |
| -6.3 | Round 5 | SOUL | 3 | 4♥ | ♣J | +2 | -1 |
| -7.2 | Round 1 | HEY YO | 3 | 2NT | ♥3 | +1 | -8 |
| -7.6 | Round 3 | DIAMOND | 15 | 4♥x | ♣K | = | -10 |
| -12.3 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 23 | 6♥ | ♥7 | = | +0 |
| -12.4 | Round 4 | SHANXI ZHANGBI OLD CASTLE | 22 | 5♣ | ♥10 | -1 | -17 |