🇨🇳 CHENG Zhiyu · CHINA
18rank
+20.2Butler · 80 bds
+0.25per board
±4.7swing
-0.40vs par /bd · #37/56
+0.27adjusted /bd
by round
vs par split: bidding -0.37 · play -0.08
Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.27/bd
Card play — on target: opening leads 94.4% #1 of 56 · declarer play 69.6% #30 of 56 · defence 90.6% #7 of 56
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 92.9% (14) |
| Declarer play | 100.0% (5) | 61.1% (18) |
| Defence | 100.0% (10) | 86.4% (22) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (5) · ♦ 83.3% (6) · ♣ 100.0% (5)
vs par by strain: NT +1.83 (24) · a suit -1.44 (55)
vs par by level: part-score -1.41 (27) · game -0.06 (49) · slam +2.00 (3)
By role: declaring +0.28/bd (-1.83 vs par · 47) · defending +0.21/bd (+1.64 vs par · 33)
By vulnerability: vulnerable +1.00/bd (+1.71 vs par · 41) · not vulnerable -0.53/bd (-2.62 vs par · 39)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Wang | E.Sucharda – T.Kielbasa | Closed | 10 | +21.1 | +2.11 | -0.90 |
| Round 3 | X.Wang | N.Davila – E.Vasquez | Open | 10 | +3.0 | +0.30 | +0.90 |
| Round 4 | X.Wang | Z.Yuan – C.Deng | Closed | 10 | +7.0 | +0.70 | -0.30 |
| Round 6 | X.Wang | F.Porta – G.Giubilo | Closed | 10 | +33.3 | +3.33 | +3.80 |
| Round 7 | X.Wang | C.Lahrmann – T.Bodin | Closed | 10 | +1.2 | +0.12 | +0.90 |
| Round 8 | X.Wang | M.Fragola – M.Dufrene | Closed | 10 | -30.3 | -3.03 | -5.10 |
| Round 10 | X.Wang | N.Finkle – I.Wolff | Closed | 10 | -2.8 | -0.28 | -2.30 |
| Round 11 | X.Wang | V.Otto – M.Litterst | Open | 10 | -12.3 | -1.23 | -0.20 |
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 |
|---|---|---|---|---|---|---|---|
| +9.9 | Round 1 | BRIDGE ACADEMY AZSUW | 9 | 3NT | ♣7 | = | +10 |
| +9.2 | Round 6 | 🇮🇹 ITALY | 23 | 4♥ | ♦10 | = | +10 |
| +8.9 | Round 1 | BRIDGE ACADEMY AZSUW | 6 | 3NT | ♦4 | -1 | +5 |
| +7.3 | Round 6 | 🇮🇹 ITALY | 25 | 3NT | ♥3 | -3 | +6 |
| +6.6 | Round 6 | 🇮🇹 ITALY | 21 | 3♦ | ♥3 | -2 | +7 |
| +6.2 | Round 4 | SHENGXING TEAM | 3 | 5♣ | ♠K | -1 | +3 |
| +6.0 | Round 4 | SHENGXING TEAM | 6 | 3NT | ♦A | +3 | +1 |
| +6.0 | Round 6 | 🇮🇹 ITALY | 24 | 3NT | ♠5 | = | +7 |
| +5.4 | Round 6 | 🇮🇹 ITALY | 26 | 3NT | ♥5 | -3 | +9 |
| +5.3 | Round 4 | SHENGXING TEAM | 2 | 3NT | ♠10 | +2 | +1 |
| +5.1 | Round 11 | 🇩🇪 GERMANY 2 | 25 | 5♦ | ♥K | -1 | +10 |
| +5.0 | Round 1 | BRIDGE ACADEMY AZSUW | 4 | 4♠ | ♦Q | -1 | +12 |
| +5.0 | Round 8 | 🇫🇷 FRANCE | 12 | 1NT | ♣J | -2 | +7 |
| +4.9 | Round 3 | 🇨🇱 CHILE | 23 | 4♥ | ♦4 | -2 | +8 |
| +4.7 | Round 10 | UNITED FRENCH | 15 | 3NT | ♥J | = | +6 |
| +4.4 | Round 1 | BRIDGE ACADEMY AZSUW | 8 | 4♠ | ♣4 | = | -9 |
| +4.2 | Round 1 | BRIDGE ACADEMY AZSUW | 5 | 5♣ | ♦Q | = | -1 |
| +4.0 | Round 3 | 🇨🇱 CHILE | 22 | 3♥ | ♠K | +1 | +7 |
| +4.0 | Round 7 | 🇸🇪 SWEDEN | 1 | 6♠x | ♦10 | = | -7 |
| +3.7 | Round 7 | 🇸🇪 SWEDEN | 9 | 4♥ | ♦6 | = | +3 |
| +3.6 | Round 10 | UNITED FRENCH | 12 | 4♥ | ♦Q | = | +0 |
| +3.5 | Round 3 | 🇨🇱 CHILE | 21 | 3♠ | ♣9 | = | +7 |
| +3.5 | Round 6 | 🇮🇹 ITALY | 27 | 4♠ | ♣2 | +1 | +0 |
| +3.4 | Round 7 | 🇸🇪 SWEDEN | 10 | 3NT | ♠6 | +1 | +1 |
| +3.4 | Round 8 | 🇫🇷 FRANCE | 11 | 1NT | ♥4 | -3 | +7 |
| +3.3 | Round 7 | 🇸🇪 SWEDEN | 4 | 3NT | ♠6 | -1 | +12 |
| +3.2 | Round 1 | BRIDGE ACADEMY AZSUW | 3 | 4♠ | ♣6 | = | +0 |
| +2.4 | Round 10 | UNITED FRENCH | 14 | 3♠ | ♣K | -1 | -2 |
| +2.4 | Round 11 | 🇩🇪 GERMANY 2 | 29 | 2♠ | ♣6 | +1 | +0 |
| +2.2 | Round 10 | UNITED FRENCH | 18 | 4♥ | ♣K | +1 | +0 |
| +2.1 | Round 6 | 🇮🇹 ITALY | 29 | 4♠ | ♥A | = | +3 |
| +1.7 | Round 10 | UNITED FRENCH | 16 | 3♦ | ♣A | +1 | +1 |
| +1.5 | Round 7 | 🇸🇪 SWEDEN | 6 | 3NT | ♣6 | +2 | +1 |
| +1.4 | Round 4 | SHENGXING TEAM | 10 | 1NT | ♦7 | +1 | +1 |
| +1.4 | Round 11 | 🇩🇪 GERMANY 2 | 24 | Pass | +3 | ||
| +1.3 | Round 7 | 🇸🇪 SWEDEN | 5 | 4♠ | ♥6 | = | +1 |
| +1.1 | Round 3 | 🇨🇱 CHILE | 28 | 3NT | ♥3 | +2 | +0 |
| +1.0 | Round 11 | 🇩🇪 GERMANY 2 | 28 | 2♠ | ♣8 | +1 | +0 |
| +0.5 | Round 4 | SHENGXING TEAM | 4 | 3NT | ♣3 | +2 | +0 |
| +0.5 | Round 4 | SHENGXING TEAM | 9 | 4♥ | ♣J | +2 | +11 |
| +0.5 | Round 8 | 🇫🇷 FRANCE | 15 | 3NT | ♠5 | +2 | -10 |
| +0.4 | Round 4 | SHENGXING TEAM | 8 | 6♣x | ♦A | -1 | +0 |
| +0.4 | Round 11 | 🇩🇪 GERMANY 2 | 22 | 4♠ | ♠7 | -4 | -6 |
| +0.3 | Round 3 | 🇨🇱 CHILE | 25 | 3♦ | ♣A | +1 | +0 |
| +0.1 | Round 3 | 🇨🇱 CHILE | 24 | 1NT | ♦4 | -2 | -1 |
| -0.0 | Round 3 | 🇨🇱 CHILE | 26 | 4♠ | ♦Q | = | +0 |
| -0.2 | Round 7 | 🇸🇪 SWEDEN | 7 | 2♠ | ♣2 | -1 | +11 |
| -0.2 | Round 11 | 🇩🇪 GERMANY 2 | 23 | 6♥ | ♣10 | +1 | +13 |
| -0.4 | Round 8 | 🇫🇷 FRANCE | 20 | 3NT | ♠Q | +1 | -1 |
| -0.5 | Round 3 | 🇨🇱 CHILE | 27 | 3♠ | ♥6 | -4 | -6 |
| -0.8 | Round 6 | 🇮🇹 ITALY | 30 | 4♦ | ♥K | -1 | -4 |
| -0.8 | Round 10 | UNITED FRENCH | 19 | 3♥ | ♥2 | +1 | -10 |
| -1.0 | Round 1 | BRIDGE ACADEMY AZSUW | 7 | 4♠ | ♥7 | -1 | -6 |
| -1.0 | Round 1 | BRIDGE ACADEMY AZSUW | 10 | 3NT | ♥J | +2 | +2 |
| -1.0 | Round 10 | UNITED FRENCH | 11 | 4♥ | ♦A | -1 | -4 |
| -1.5 | Round 6 | 🇮🇹 ITALY | 22 | 4♥ | ♠K | +1 | +0 |
| -2.1 | Round 8 | 🇫🇷 FRANCE | 13 | 3♦ | ♣J | +1 | -10 |
| -2.1 | Round 11 | 🇩🇪 GERMANY 2 | 27 | 4♠ | ♦K | = | +0 |
| -2.3 | Round 10 | UNITED FRENCH | 13 | 3♣ | ♥A | -1 | +1 |
| -2.5 | Round 4 | SHENGXING TEAM | 5 | 2♥ | ♦Q | -5 | -4 |
| -2.5 | Round 7 | 🇸🇪 SWEDEN | 2 | 2♥ | ♦4 | +1 | -7 |
| -3.1 | Round 4 | SHENGXING TEAM | 7 | 1NT | ♦5 | -2 | -3 |
| -3.7 | Round 3 | 🇨🇱 CHILE | 29 | 4♣ | ♠6 | -1 | +1 |
| -4.2 | Round 8 | 🇫🇷 FRANCE | 16 | 3NT | ♦5 | -1 | -6 |
| -4.5 | Round 6 | 🇮🇹 ITALY | 28 | 4♠ | ♦9 | = | +0 |
| -4.5 | Round 7 | 🇸🇪 SWEDEN | 8 | 3♥ | ♠4 | -2 | -6 |
| -4.6 | Round 11 | 🇩🇪 GERMANY 2 | 30 | 3♠ | ♥4 | -1 | -4 |
| -5.6 | Round 10 | UNITED FRENCH | 17 | 4♠x | ♣2 | -2 | -5 |
| -6.0 | Round 1 | BRIDGE ACADEMY AZSUW | 2 | 3NT | ♥10 | -2 | -11 |
| -6.0 | Round 8 | 🇫🇷 FRANCE | 17 | 2♣x | ♥Q | = | -7 |
| -6.5 | Round 1 | BRIDGE ACADEMY AZSUW | 1 | 2♥ | ♦K | +1 | -11 |
| -6.7 | Round 3 | 🇨🇱 CHILE | 30 | 5♦ | ♠5 | = | -7 |
| -7.7 | Round 4 | SHENGXING TEAM | 1 | 3♠ | ♥4 | -3 | -13 |
| -7.7 | Round 8 | 🇫🇷 FRANCE | 18 | 4♠ | ♣7 | -1 | -11 |
| -7.7 | Round 10 | UNITED FRENCH | 20 | 4♥ | ♦A | = | -10 |
| -7.7 | Round 11 | 🇩🇪 GERMANY 2 | 21 | 4♠ | ♥3 | -1 | -10 |
| -8.0 | Round 11 | 🇩🇪 GERMANY 2 | 26 | 4♠x | ♥A | +1 | -8 |
| -8.5 | Round 8 | 🇫🇷 FRANCE | 14 | 4♥ | ♦Q | +2 | -8 |
| -8.8 | Round 7 | 🇸🇪 SWEDEN | 3 | 3NT | ♥J | = | +0 |
| -10.3 | Round 8 | 🇫🇷 FRANCE | 19 | 4♥ | ♣K | -1 | -12 |