CHEN Yufan · SHENGXING GREEN
116rank
-66.2Butler · 80 bds
-0.83per board
±4.8swing
-0.33vs par /bd · #86/124
-0.56adjusted /bd
by round
vs par split: bidding +0.08 · play -0.10
Strength of schedule: opponents averaged +0.27/bd (a tough draw) → opponent-adjusted -0.56/bd
Card play — on target: opening leads 77.3% #61 of 124 · declarer play 63.6% #78 of 124 · defence 79.6% #71 of 124
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 81.8% (11) | 72.7% (11) |
| Declarer play | 60.0% (5) | 66.7% (6) |
| Defence | 76.5% (17) | 81.2% (32) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (5) · ♦ 66.7% (6) · ♣ 66.7% (6)
vs par by strain: NT -0.80 (30) · a suit +0.46 (48)
vs par by level: part-score -0.03 (32) · game +0.41 (44) · slam -9.50 (2)
By role: declaring -0.37/bd (-2.23 vs par · 31) · defending -1.11/bd (+0.88 vs par · 49)
By vulnerability: vulnerable -0.56/bd (+0.57 vs par · 40) · not vulnerable -1.09/bd (-1.23 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Gu | B.Wu – Y.Lin | Closed | 10 | -10.0 | -1.00 | +1.10 |
| Round 2 | Y.Zhang | Y.Zhang – Y.Fu | Open | 10 | -2.3 | -0.23 | +1.90 |
| Round 3 | C.Gu | H.Dai – Y.Li | Open | 10 | -3.6 | -0.36 | +0.30 |
| Round 4 | C.Gu | J.Yang – Y.Wang | Closed | 10 | -39.2 | -3.92 | -5.20 |
| Round 5 | Y.Zhang | J.Wang – X.Wu | Open | 10 | -1.5 | -0.15 | -1.90 |
| Round 6 | C.Gu | A.Pigulski – K.Kuflowski | Open | 10 | -2.3 | -0.23 | +0.00 |
| Round 7 | B.Yang | Z.Zhuo – Y.Liu | Closed | 10 | -1.5 | -0.15 | -1.00 |
| Round 8 | B.Yang | M.Liu – H.Hou | Open | 10 | -5.8 | -0.58 | +2.20 |
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 |
|---|---|---|---|---|---|---|---|
| +10.4 | Round 5 | SHENGXING YELLOW | 12 | 4♠x | ♣A | -3 | +11 |
| +9.2 | Round 5 | SHENGXING YELLOW | 17 | 3NT | ♥Q | +2 | +2 |
| +9.1 | Round 7 | CHINA RDFZ BLUE | 4 | 4♥ | ♠A | = | +0 |
| +8.6 | Round 6 | POLAND | 29 | 4♠x | ♥K | = | +7 |
| +6.9 | Round 7 | CHINA RDFZ BLUE | 1 | 4♠ | ♠3 | +3 | +14 |
| +6.3 | Round 1 | CHINA RDFZ YELLOW | 1 | 2♦ | ♠9 | -2 | +11 |
| +6.2 | Round 1 | CHINA RDFZ YELLOW | 4 | 1NT | ♦K | -3 | -5 |
| +5.4 | Round 3 | SHENGXING MARS | 23 | 4♥ | ♦6 | -2 | +8 |
| +5.2 | Round 6 | POLAND | 28 | 2♠ | ♥3 | +2 | +10 |
| +4.2 | Round 4 | SHENGXING SATURN | 6 | 3NT | ♦A | +2 | +0 |
| +4.2 | Round 8 | CHINA RDFZ HOPE 1 | 11 | 3♣ | ♥K | = | -1 |
| +3.9 | Round 2 | SHENGXING RED | 13 | 2NT | ♦3 | +3 | +9 |
| +3.8 | Round 2 | SHENGXING RED | 18 | 4♥ | ♦7 | +1 | +7 |
| +3.6 | Round 3 | SHENGXING MARS | 29 | 3♠x | ♣K | -1 | +8 |
| +3.6 | Round 5 | SHENGXING YELLOW | 14 | 3NT | ♦Q | -1 | +8 |
| +3.4 | Round 6 | POLAND | 27 | 4♠ | ♣3 | +1 | +0 |
| +3.4 | Round 8 | CHINA RDFZ HOPE 1 | 18 | 5♣ | ♠K | -1 | +8 |
| +3.2 | Round 3 | SHENGXING MARS | 22 | 3♠x | ♣9 | -1 | +6 |
| +2.6 | Round 1 | CHINA RDFZ YELLOW | 7 | 4♠x | ♥5 | -1 | +8 |
| +2.6 | Round 4 | SHENGXING SATURN | 1 | 4♠x | ♥6 | -3 | -10 |
| +2.6 | Round 8 | CHINA RDFZ HOPE 1 | 17 | 2♣ | ♦J | = | +5 |
| +2.3 | Round 2 | SHENGXING RED | 14 | 1NT | ♠3 | +2 | +2 |
| +2.1 | Round 3 | SHENGXING MARS | 28 | 3NT | ♥3 | +3 | +1 |
| +1.3 | Round 7 | CHINA RDFZ BLUE | 5 | 4♠ | ♣J | = | -1 |
| +0.9 | Round 2 | SHENGXING RED | 16 | 2♥x | ♦A | -4 | -16 |
| +0.8 | Round 1 | CHINA RDFZ YELLOW | 10 | 4NT | ♠5 | -6 | +0 |
| +0.6 | Round 8 | CHINA RDFZ HOPE 1 | 15 | 3NT | ♠4 | = | +11 |
| +0.6 | Round 8 | CHINA RDFZ HOPE 1 | 16 | 3♦ | ♣7 | -2 | +1 |
| +0.4 | Round 3 | SHENGXING MARS | 24 | 1NT | ♠3 | -2 | -1 |
| +0.4 | Round 3 | SHENGXING MARS | 25 | 3♦ | ♣A | = | +1 |
| +0.4 | Round 7 | CHINA RDFZ BLUE | 8 | 2NT | ♥4 | = | +0 |
| +0.2 | Round 2 | SHENGXING RED | 12 | 4♥ | ♦K | +2 | +9 |
| +0.2 | Round 3 | SHENGXING MARS | 27 | 3♥ | ♣A | +1 | -6 |
| +0.2 | Round 8 | CHINA RDFZ HOPE 1 | 13 | 3♦ | ♥5 | +2 | +10 |
| -0.0 | Round 1 | CHINA RDFZ YELLOW | 9 | 3♥ | ♦K | -2 | +0 |
| -0.0 | Round 2 | SHENGXING RED | 11 | 3♥ | ♠10 | -2 | -5 |
| -0.4 | Round 2 | SHENGXING RED | 20 | 2NT | ♦K | = | +10 |
| -0.4 | Round 5 | SHENGXING YELLOW | 15 | 4♥ | ♦J | = | -1 |
| -0.7 | Round 6 | POLAND | 23 | 2NT | ♦4 | = | -1 |
| -0.7 | Round 6 | POLAND | 24 | 3♠ | ♣K | -1 | -2 |
| -0.9 | Round 6 | POLAND | 22 | 4♥ | ♣3 | +1 | +0 |
| -1.1 | Round 4 | SHENGXING SATURN | 3 | 4♠ | ♣A | = | -6 |
| -1.1 | Round 5 | SHENGXING YELLOW | 11 | 2♦ | ♣A | -1 | -2 |
| -1.2 | Round 2 | SHENGXING RED | 15 | 4♥ | ♠4 | = | +0 |
| -1.2 | Round 4 | SHENGXING SATURN | 4 | 3NT | ♣9 | +2 | +0 |
| -1.2 | Round 5 | SHENGXING YELLOW | 16 | 1NT | ♦8 | = | -5 |
| -1.2 | Round 7 | CHINA RDFZ BLUE | 6 | 3NT | ♣4 | +2 | -1 |
| -1.5 | Round 4 | SHENGXING SATURN | 7 | 1NT | ♦8 | +2 | -1 |
| -1.5 | Round 8 | CHINA RDFZ HOPE 1 | 12 | 1NT | ♣J | -1 | -5 |
| -1.7 | Round 6 | POLAND | 21 | 1NT | ♥5 | = | +0 |
| -2.2 | Round 7 | CHINA RDFZ BLUE | 2 | 2♥ | ♥6 | +1 | +7 |
| -2.4 | Round 1 | CHINA RDFZ YELLOW | 2 | 3NT | ♥7 | = | +1 |
| -2.4 | Round 5 | SHENGXING YELLOW | 19 | 2♥ | ♦A | +1 | -7 |
| -2.6 | Round 6 | POLAND | 30 | 3NT | ♥4 | -1 | -4 |
| -2.8 | Round 1 | CHINA RDFZ YELLOW | 8 | 4♠ | ♦5 | +1 | +8 |
| -2.8 | Round 7 | CHINA RDFZ BLUE | 10 | 3NT | ♠6 | +1 | -1 |
| -3.0 | Round 5 | SHENGXING YELLOW | 13 | 4♠ | ♠A | +1 | -1 |
| -3.1 | Round 4 | SHENGXING SATURN | 9 | 3NTx | ♣8 | = | +10 |
| -3.2 | Round 7 | CHINA RDFZ BLUE | 7 | Pass | -12 | ||
| -3.2 | Round 8 | CHINA RDFZ HOPE 1 | 20 | 4♥ | ♠K | = | +1 |
| -3.5 | Round 2 | SHENGXING RED | 19 | 4♥ | ♠10 | = | +11 |
| -3.8 | Round 1 | CHINA RDFZ YELLOW | 3 | 4♠ | ♦10 | +2 | -2 |
| -3.9 | Round 6 | POLAND | 26 | 2NT | ♥5 | = | -1 |
| -4.4 | Round 7 | CHINA RDFZ BLUE | 9 | 4♥ | ♣4 | +1 | -4 |
| -5.0 | Round 5 | SHENGXING YELLOW | 20 | Pass | -12 | ||
| -5.2 | Round 3 | SHENGXING MARS | 21 | 3♥ | ♠3 | +1 | -1 |
| -5.4 | Round 7 | CHINA RDFZ BLUE | 3 | 3NT | ♣Q | -4 | -12 |
| -6.1 | Round 8 | CHINA RDFZ HOPE 1 | 14 | 6♥ | ♠6 | = | -5 |
| -6.5 | Round 3 | SHENGXING MARS | 30 | 5♦ | ♠5 | +1 | -8 |
| -6.6 | Round 8 | CHINA RDFZ HOPE 1 | 19 | 4♥ | ♣K | = | -3 |
| -6.8 | Round 4 | SHENGXING SATURN | 2 | 3NT | ♦3 | -2 | -11 |
| -7.2 | Round 3 | SHENGXING MARS | 26 | 4♠x | ♦Q | = | -5 |
| -8.0 | Round 1 | CHINA RDFZ YELLOW | 6 | 3NT | ♥6 | -1 | -5 |
| -8.3 | Round 2 | SHENGXING RED | 17 | 4♥x | ♠A | -4 | -8 |
| -8.9 | Round 1 | CHINA RDFZ YELLOW | 5 | 3NT | ♣7 | -6 | -5 |
| -9.0 | Round 6 | POLAND | 25 | 4♥x | ♣4 | -2 | -9 |
| -10.5 | Round 4 | SHENGXING SATURN | 10 | 3NT | ♣5 | +1 | -10 |
| -10.8 | Round 4 | SHENGXING SATURN | 5 | 1NTxx | ♦4 | -2 | -10 |
| -11.0 | Round 4 | SHENGXING SATURN | 8 | 6♣ | ♦A | = | -14 |
| -11.6 | Round 5 | SHENGXING YELLOW | 18 | 3♠x | ♣A | = | -12 |