🇨🇳 YAN Junwen · CHINA
96rank
-51.0Butler · 80 bds
-0.64per board
±3.8swing
-0.91vs par /bd · #94/105
-0.68adjusted /bd
by round
vs par split: bidding +0.05 · play -0.96
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.68/bd
Card play — on target: opening leads 77.8% #71 of 105 · declarer play 52.6% #100 of 105 · defence 81.8% #73 of 105
Bidding activity — not a pass: 37.5% #99 of 105 (84/224)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 85.7% (14) |
| Declarer play | 0.0% (3) | 62.5% (16) |
| Defence | 75.0% (12) | 84.4% (32) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 75.0% (8) · ♦ 100.0% (4) · ♣ 50.0% (2)
vs par by strain: NT -0.10 (19) · a suit -1.16 (61)
vs par by level: part-score +0.22 (37) · game -1.43 (40) · slam -8.00 (3)
By role: declaring -1.56/bd (-3.53 vs par · 36) · defending +0.12/bd (+1.23 vs par · 44)
By vulnerability: vulnerable +0.10/bd (-0.05 vs par · 40) · not vulnerable -1.38/bd (-1.77 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Liu | T.Chowdhury – M.Prakash | Open | 8 | +3.2 | +0.40 | -1.50 |
| Round 2 | Y.Liu | C.Hui – S.Chan | Closed | 8 | -1.8 | -0.23 | -0.75 |
| Round 4 | Y.Liu | J.Wilkinson – A.Wilsmore | Open | 8 | +8.9 | +1.11 | +1.12 |
| Round 5 | Y.Liu | S.Saengtuen – C.Saisith | Closed | 8 | -10.5 | -1.31 | -2.00 |
| Round 6 | Y.Liu | M.Bertheau – F.Asplund Sivelind | Closed | 8 | +1.9 | +0.24 | +1.12 |
| Round 7 | Y.Liu | D.Tokes – D.Biborka | Closed | 8 | -12.6 | -1.57 | -1.50 |
| Round 8 | Y.Liu | A.Bukat – F.Kurlit | Open | 8 | -5.3 | -0.66 | -3.00 |
| Round 16 | Y.Liu | N.Heiberg-Evenstad – A.Brogeland | Open | 8 | -7.1 | -0.89 | -0.12 |
| Round 18 | Y.Liu | D.Salaverri Bottaro – B.Ochoa | Closed | 8 | -3.5 | -0.44 | +0.62 |
| Round 19 | Y.Liu | J.Vahk – A.Pedmanson | Open | 8 | -24.2 | -3.02 | -3.12 |
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 |
|---|---|---|---|---|---|---|---|
| +8.7 | Round 4 | 🇦🇺 AUSTRALIA | 32 | 4NT | ♠2 | +3 | +14 |
| +8.3 | Round 7 | 🇭🇺 HUNGARY | 23 | 4♠ | ♥6 | -4 | +11 |
| +6.2 | Round 16 | 🇳🇴 NORWAY | 25 | 3NT | ♠5 | +1 | +11 |
| +5.7 | Round 18 | 🇺🇾 URUGUAY | 12 | 2♥ | ♣Q | -1 | +11 |
| +5.4 | Round 6 | 🇸🇪 SWEDEN | 10 | 4♣ | ♥A | +1 | +10 |
| +5.1 | Round 16 | 🇳🇴 NORWAY | 26 | 5♦ | ♥A | -2 | +3 |
| +4.2 | Round 6 | 🇸🇪 SWEDEN | 9 | 5♦x | ♠K | -2 | +5 |
| +3.4 | Round 5 | 🇹🇭 THAILAND | 2 | 4♣ | ♥Q | = | +0 |
| +3.2 | Round 2 | 🇭🇰 HONG KONG CHINA | 16 | 3♦ | ♣A | +1 | +1 |
| +3.2 | Round 8 | 🇵🇱 POLAND | 26 | 3♥ | ♦A | -1 | +0 |
| +2.8 | Round 7 | 🇭🇺 HUNGARY | 17 | 4♥ | ♠A | -3 | +1 |
| +2.5 | Round 1 | 🇮🇳 INDIA | 6 | 1NT | ♦6 | -1 | +4 |
| +2.5 | Round 4 | 🇦🇺 AUSTRALIA | 25 | 2♠ | ♥T | +1 | +7 |
| +2.5 | Round 8 | 🇵🇱 POLAND | 25 | 4♥ | ♠J | = | +3 |
| +2.4 | Round 6 | 🇸🇪 SWEDEN | 13 | 5♥ | ♣4 | +1 | +1 |
| +2.4 | Round 8 | 🇵🇱 POLAND | 31 | 4♠ | ♣6 | = | +0 |
| +2.2 | Round 1 | 🇮🇳 INDIA | 5 | 5♠ | ♥T | -1 | -9 |
| +2.2 | Round 2 | 🇭🇰 HONG KONG CHINA | 12 | 3♥ | ♠A | = | +0 |
| +2.2 | Round 2 | 🇭🇰 HONG KONG CHINA | 14 | 4♠ | ♣5 | = | +8 |
| +1.9 | Round 1 | 🇮🇳 INDIA | 8 | 1NT | ♠4 | -3 | -7 |
| +1.5 | Round 4 | 🇦🇺 AUSTRALIA | 31 | 2♥ | ♦Q | = | +0 |
| +1.1 | Round 4 | 🇦🇺 AUSTRALIA | 26 | 1NT | ♠A | +2 | +10 |
| +1.1 | Round 5 | 🇹🇭 THAILAND | 1 | 3♠ | ♥8 | -1 | -4 |
| +1.1 | Round 8 | 🇵🇱 POLAND | 30 | 3NT | ♣2 | +1 | +1 |
| +1.1 | Round 18 | 🇺🇾 URUGUAY | 13 | 3NT | ♦T | = | -2 |
| +0.9 | Round 7 | 🇭🇺 HUNGARY | 20 | 2♠ | ♣Q | +1 | +0 |
| +0.8 | Round 2 | 🇭🇰 HONG KONG CHINA | 11 | 3♦ | ♣Q | = | +7 |
| +0.7 | Round 1 | 🇮🇳 INDIA | 4 | 3♠ | ♣Q | = | +0 |
| +0.7 | Round 18 | 🇺🇾 URUGUAY | 9 | 4♥ | ♠J | +2 | +11 |
| +0.6 | Round 4 | 🇦🇺 AUSTRALIA | 29 | 5♦ | ♥A | = | +2 |
| +0.6 | Round 19 | 🇪🇪 ESTONIA | 22 | 2♠ | ♥A | -1 | -3 |
| +0.5 | Round 18 | 🇺🇾 URUGUAY | 11 | 3NT | ♣T | +2 | +0 |
| +0.4 | Round 1 | 🇮🇳 INDIA | 3 | 3♣ | ♦7 | -2 | -2 |
| +0.4 | Round 7 | 🇭🇺 HUNGARY | 24 | 4♣ | ♠Q | -2 | +0 |
| +0.4 | Round 18 | 🇺🇾 URUGUAY | 16 | 3♣ | ♦8 | = | +0 |
| +0.3 | Round 6 | 🇸🇪 SWEDEN | 11 | 2♥ | ♦2 | = | +0 |
| +0.3 | Round 16 | 🇳🇴 NORWAY | 28 | 4♠ | ♦T | = | +6 |
| +0.2 | Round 1 | 🇮🇳 INDIA | 7 | 4♠ | ♦A | = | +0 |
| -0.3 | Round 2 | 🇭🇰 HONG KONG CHINA | 13 | 3♥ | ♠Q | -1 | -1 |
| -0.3 | Round 5 | 🇹🇭 THAILAND | 6 | 2♠ | ♠2 | +2 | -10 |
| -0.4 | Round 6 | 🇸🇪 SWEDEN | 16 | 3♥ | ♠Q | -1 | -2 |
| -0.6 | Round 6 | 🇸🇪 SWEDEN | 12 | 1NT | ♥5 | = | +5 |
| -0.7 | Round 6 | 🇸🇪 SWEDEN | 14 | 6♦ | ♠7 | +1 | +2 |
| -0.7 | Round 16 | 🇳🇴 NORWAY | 27 | 4♥ | ♦T | = | +1 |
| -0.8 | Round 2 | 🇭🇰 HONG KONG CHINA | 10 | 2♥ | ♦K | = | -5 |
| -0.9 | Round 1 | 🇮🇳 INDIA | 2 | 2♠ | ♠6 | = | +1 |
| -0.9 | Round 4 | 🇦🇺 AUSTRALIA | 30 | 2♠ | ♥K | +1 | -1 |
| -0.9 | Round 5 | 🇹🇭 THAILAND | 7 | 3NT | ♠T | +2 | -1 |
| -0.9 | Round 19 | 🇪🇪 ESTONIA | 17 | 4♠ | ♦Q | +1 | +0 |
| -0.9 | Round 19 | 🇪🇪 ESTONIA | 23 | 5♦ | ♥Q | = | +13 |
| -1.1 | Round 5 | 🇹🇭 THAILAND | 3 | 4♠ | ♦4 | = | +0 |
| -1.3 | Round 4 | 🇦🇺 AUSTRALIA | 27 | 3♠ | ♦A | -1 | -9 |
| -1.3 | Round 8 | 🇵🇱 POLAND | 27 | 3♠ | ♥7 | +1 | +6 |
| -1.3 | Round 19 | 🇪🇪 ESTONIA | 18 | 4♦ | ♥8 | -1 | +2 |
| -1.8 | Round 16 | 🇳🇴 NORWAY | 29 | 3♣ | ♦K | +1 | +0 |
| -1.9 | Round 18 | 🇺🇾 URUGUAY | 15 | 3NT | ♥6 | +1 | +1 |
| -2.2 | Round 18 | 🇺🇾 URUGUAY | 14 | 4♣ | ♠5 | -2 | +0 |
| -2.4 | Round 16 | 🇳🇴 NORWAY | 30 | 4♠ | ♥5 | +1 | +0 |
| -2.5 | Round 19 | 🇪🇪 ESTONIA | 19 | 5♥ | ♣K | -2 | -17 |
| -2.9 | Round 5 | 🇹🇭 THAILAND | 4 | 3♦ | ♣A | +1 | +0 |
| -3.0 | Round 8 | 🇵🇱 POLAND | 32 | 5♦ | ♣3 | +1 | -10 |
| -3.3 | Round 4 | 🇦🇺 AUSTRALIA | 28 | 5♣ | ♠Q | +1 | -14 |
| -3.4 | Round 7 | 🇭🇺 HUNGARY | 22 | 3NT | ♦4 | = | +0 |
| -3.5 | Round 5 | 🇹🇭 THAILAND | 5 | 1NT | ♦T | -3 | +4 |
| -3.8 | Round 1 | 🇮🇳 INDIA | 1 | 3NT | ♠J | = | +1 |
| -4.2 | Round 7 | 🇭🇺 HUNGARY | 19 | 3NT | ♣3 | +2 | -1 |
| -4.4 | Round 2 | 🇭🇰 HONG KONG CHINA | 15 | 4♠x | ♥7 | -1 | -11 |
| -4.6 | Round 19 | 🇪🇪 ESTONIA | 24 | 3NT | ♥Q | -2 | -6 |
| -4.7 | Round 2 | 🇭🇰 HONG KONG CHINA | 9 | 4♠x | ♦8 | = | -5 |
| -4.9 | Round 8 | 🇵🇱 POLAND | 28 | 6♦ | ♦J | -1 | -14 |
| -5.0 | Round 19 | 🇪🇪 ESTONIA | 21 | 2♠ | ♥3 | +1 | -1 |
| -5.3 | Round 8 | 🇵🇱 POLAND | 29 | 2♥ | ♥4 | +3 | -10 |
| -6.3 | Round 5 | 🇹🇭 THAILAND | 8 | 3♦x | ♥J | -2 | -5 |
| -6.8 | Round 16 | 🇳🇴 NORWAY | 31 | 3NT | ♥3 | = | -12 |
| -7.0 | Round 16 | 🇳🇴 NORWAY | 32 | 3NT | ♣4 | -3 | -10 |
| -7.6 | Round 7 | 🇭🇺 HUNGARY | 18 | 5♦x | ♥5 | -2 | -9 |
| -7.8 | Round 18 | 🇺🇾 URUGUAY | 10 | 5♦ | ♥A | -1 | -16 |
| -8.7 | Round 6 | 🇸🇪 SWEDEN | 15 | 6♠x | ♦A | -2 | -12 |
| -9.6 | Round 19 | 🇪🇪 ESTONIA | 20 | 4♠ | ♦6 | -1 | -13 |
| -9.8 | Round 7 | 🇭🇺 HUNGARY | 21 | 3NT | ♥9 | -1 | -14 |