🇨🇳 CHEN Yunpeng · CHINA
vs par split: bidding +0.78 · play +0.68
Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +1.05/bd
Card play — on target: opening leads 91.3% #18 of 87 · declarer play 80.0% #23 of 87 · defence 90.2% #13 of 87
Bidding activity — not a pass: 38.5% #70 of 87 (74/192)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 94.7% (19) |
| Declarer play | 100.0% (3) | 76.5% (17) |
| Defence | 100.0% (10) | 87.1% (31) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (6) · ♦ 100.0% (6) · ♣ 71.4% (7)
vs par by strain: NT +1.82 (17) · a suit +1.34 (55)
vs par by level: part-score +2.15 (33) · game +0.97 (35) · slam +0.00 (4)
By role: declaring +1.08/bd (+0.13 vs par · 31) · defending +1.25/bd (+2.46 vs par · 41)
By vulnerability: vulnerable +1.16/bd (+2.61 vs par · 36) · not vulnerable +1.19/bd (+0.31 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Ruan | L.Fan – Y.Chung | Closed | 8 | -5.6 | -0.70 | -2.12 |
| Round 2 | X.Ruan | N.Vinevich – H.Vinevich | Closed | 8 | +5.9 | +0.74 | +0.00 |
| Round 4 | X.Ruan | N.Bens – C.Bouton | Open | 8 | +20.9 | +2.61 | +3.38 |
| Round 5 | X.Ruan | N.Yamazaki – F.Sasaki | Open | 8 | -17.7 | -2.21 | -2.75 |
| Round 8 | X.Ruan | K.Schwalbach – F.Oelker | Open | 8 | +0.4 | +0.05 | +2.25 |
| Round 9 | X.Ruan | V.Dalpozzo – F.Dalpozzo | Closed | 8 | +0.9 | +0.11 | -0.88 |
| Round 12 | X.Ruan | E.Morawska – Z.Trojan | Open | 8 | +50.0 | +6.25 | +8.75 |
| Round 13 | X.Ruan | J.Bakhshi – C.Zhao | Open | 8 | +17.2 | +2.15 | +3.00 |
| Round 14 | X.Ruan | X.Tan – S.Xu | Closed | 8 | +12.6 | +1.57 | +1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 12 | 🇵🇱 POLAND | 18 | 2♣x | ♦2 | -3 | +14 |
| +13.0 | Round 4 | 🇫🇷 FRANCE | 31 | 3♦x | ♥8 | -3 | +12 |
| +11.7 | Round 12 | 🇵🇱 POLAND | 22 | 6♦x | ♣9 | = | +13 |
| +9.5 | Round 12 | 🇵🇱 POLAND | 19 | 4♠ | ♦3 | -1 | +11 |
| +8.6 | Round 13 | 🇺🇸 USA2 | 31 | 4♠ | ♥A | -2 | +2 |
| +8.5 | Round 12 | 🇵🇱 POLAND | 17 | 3NT | ♠4 | -2 | +11 |
| +8.5 | Round 13 | 🇺🇸 USA2 | 32 | 3NT | ♣7 | = | +10 |
| +8.1 | Round 2 | 🇮🇱 ISRAEL | 14 | 4♠x | ♣5 | +1 | +11 |
| +7.9 | Round 13 | 🇺🇸 USA2 | 30 | 4♠ | ♥6 | -1 | +11 |
| +7.0 | Round 1 | 🇭🇰 HONG KONG CHINA | 1 | 3NT | ♠Q | -3 | +11 |
| +6.7 | Round 4 | 🇫🇷 FRANCE | 32 | 3NT | ♣6 | +4 | +14 |
| +6.5 | Round 9 | 🇮🇹 ITALY | 13 | 6♠ | ♣3 | +1 | -13 |
| +6.2 | Round 5 | 🇯🇵 JAPAN | 4 | 3♥ | ♠T | = | +7 |
| +5.5 | Round 9 | 🇮🇹 ITALY | 12 | 4♠ | ♥A | = | +6 |
| +5.4 | Round 12 | 🇵🇱 POLAND | 23 | 2♠ | ♦T | = | +12 |
| +5.0 | Round 14 | 🇸🇬 SINGAPORE | 4 | 2♥ | ♣7 | +1 | +6 |
| +5.0 | Round 14 | 🇸🇬 SINGAPORE | 5 | 3NT | ♣K | +1 | -1 |
| +4.1 | Round 14 | 🇸🇬 SINGAPORE | 6 | 3♥ | ♣T | +1 | +6 |
| +3.7 | Round 4 | 🇫🇷 FRANCE | 30 | 3NT | ♣T | -1 | +4 |
| +3.3 | Round 2 | 🇮🇱 ISRAEL | 13 | 4♥ | ♣A | -2 | +2 |
| +3.1 | Round 8 | 🇩🇪 GERMANY | 8 | 4♠ | ♥7 | -2 | +6 |
| +2.7 | Round 8 | 🇩🇪 GERMANY | 4 | 4♥ | ♠8 | -2 | +8 |
| +2.6 | Round 8 | 🇩🇪 GERMANY | 5 | 2NT | ♦7 | +1 | +1 |
| +2.4 | Round 4 | 🇫🇷 FRANCE | 26 | 2♦ | ♠3 | = | +11 |
| +2.3 | Round 8 | 🇩🇪 GERMANY | 3 | 1NT | ♠Q | -2 | +6 |
| +2.2 | Round 14 | 🇸🇬 SINGAPORE | 7 | 2♥ | ♣A | +1 | +7 |
| +2.0 | Round 1 | 🇭🇰 HONG KONG CHINA | 3 | 3♠ | ♣K | = | +0 |
| +1.7 | Round 2 | 🇮🇱 ISRAEL | 16 | 2♥ | ♣5 | -2 | +0 |
| +1.7 | Round 8 | 🇩🇪 GERMANY | 7 | 2♠ | ♦A | = | +6 |
| +1.6 | Round 1 | 🇭🇰 HONG KONG CHINA | 8 | 1NT | ♥5 | -3 | -7 |
| +1.5 | Round 8 | 🇩🇪 GERMANY | 2 | 2NT | ♥4 | = | +0 |
| +1.4 | Round 12 | 🇵🇱 POLAND | 21 | 4♥ | ♦K | = | +0 |
| +1.4 | Round 13 | 🇺🇸 USA2 | 26 | 2♥ | ♦A | = | +0 |
| +1.3 | Round 5 | 🇯🇵 JAPAN | 1 | 2♠ | ♥8 | -1 | -4 |
| +0.9 | Round 13 | 🇺🇸 USA2 | 28 | 4♠ | ♦T | = | +6 |
| +0.6 | Round 14 | 🇸🇬 SINGAPORE | 3 | 3♣ | ♠K | -2 | +5 |
| +0.4 | Round 2 | 🇮🇱 ISRAEL | 9 | 4♠ | ♦5 | = | +0 |
| +0.4 | Round 12 | 🇵🇱 POLAND | 24 | 4♥ | ♣K | = | +0 |
| +0.3 | Round 2 | 🇮🇱 ISRAEL | 11 | 3♠x | ♦5 | -1 | +7 |
| +0.2 | Round 4 | 🇫🇷 FRANCE | 25 | 2♠ | ♥T | +2 | +6 |
| +0.1 | Round 5 | 🇯🇵 JAPAN | 3 | 4♠ | ♦5 | = | +0 |
| -0.0 | Round 1 | 🇭🇰 HONG KONG CHINA | 7 | 4♠ | ♦A | = | +0 |
| -0.0 | Round 4 | 🇫🇷 FRANCE | 27 | 3♠ | ♦A | -2 | -8 |
| -0.3 | Round 9 | 🇮🇹 ITALY | 11 | 3NT | ♥8 | +1 | +1 |
| -0.4 | Round 12 | 🇵🇱 POLAND | 20 | 2♥x | ♦Q | -1 | +9 |
| -0.5 | Round 5 | 🇯🇵 JAPAN | 2 | 4♥ | ♣A | -1 | -1 |
| -0.6 | Round 9 | 🇮🇹 ITALY | 10 | 6♠x | ♦4 | -2 | +0 |
| -0.6 | Round 14 | 🇸🇬 SINGAPORE | 8 | 1♦ | ♣T | +2 | +0 |
| -0.8 | Round 5 | 🇯🇵 JAPAN | 7 | 4♠ | ♥3 | = | +0 |
| -0.9 | Round 14 | 🇸🇬 SINGAPORE | 2 | 1NT | ♠K | +1 | +0 |
| -1.3 | Round 9 | 🇮🇹 ITALY | 15 | 1NT | ♠K | +1 | -1 |
| -1.9 | Round 1 | 🇭🇰 HONG KONG CHINA | 6 | 1NT | ♦3 | = | +0 |
| -2.0 | Round 2 | 🇮🇱 ISRAEL | 12 | 4♥ | ♠A | -1 | -5 |
| -2.2 | Round 2 | 🇮🇱 ISRAEL | 10 | 2♥ | ♦K | = | -5 |
| -2.2 | Round 4 | 🇫🇷 FRANCE | 29 | 3NT | ♥9 | = | +2 |
| -2.3 | Round 13 | 🇺🇸 USA2 | 27 | 4♥ | ♦J | = | +1 |
| -2.4 | Round 5 | 🇯🇵 JAPAN | 8 | 2♥ | ♠K | = | +0 |
| -2.4 | Round 9 | 🇮🇹 ITALY | 14 | 3♥ | ♦K | -1 | -5 |
| -2.6 | Round 13 | 🇺🇸 USA2 | 29 | 2♥ | ♣6 | +1 | +0 |
| -2.8 | Round 9 | 🇮🇹 ITALY | 16 | 4♠ | ♥9 | -2 | +5 |
| -2.8 | Round 14 | 🇸🇬 SINGAPORE | 1 | 4♠ | ♣5 | +2 | -11 |
| -2.9 | Round 4 | 🇫🇷 FRANCE | 28 | 5♣ | ♠Q | +2 | -14 |
| -3.1 | Round 1 | 🇭🇰 HONG KONG CHINA | 2 | 2♠ | ♦Q | +1 | +0 |
| -3.7 | Round 2 | 🇮🇱 ISRAEL | 15 | 4♠ | ♥5 | -1 | -10 |
| -3.7 | Round 9 | 🇮🇹 ITALY | 9 | 6♠ | ♣A | = | +0 |
| -4.1 | Round 8 | 🇩🇪 GERMANY | 6 | 3♠ | ♥T | -2 | -8 |
| -5.1 | Round 1 | 🇭🇰 HONG KONG CHINA | 5 | 5♠ | ♥T | = | -15 |
| -5.2 | Round 13 | 🇺🇸 USA2 | 25 | 3NT | ♥7 | -1 | -6 |
| -6.1 | Round 1 | 🇭🇰 HONG KONG CHINA | 4 | 2♥ | ♦A | -1 | -6 |
| -9.4 | Round 8 | 🇩🇪 GERMANY | 1 | 4♠ | ♥4 | = | -1 |
| -10.1 | Round 5 | 🇯🇵 JAPAN | 6 | 3NT | ♥6 | -3 | -14 |
| -11.5 | Round 5 | 🇯🇵 JAPAN | 5 | 4♥x | ♠7 | = | -10 |