JIANG Yong Kang · JIANG
348rank
-17.5Butler · 100 bds
-0.17per board
±3.6swing
-0.65vs par /bd · #417/527
-0.22adjusted /bd
by round
vs par split: bidding -0.14 · play -0.51
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.22/bd
Card play — on target: opening leads 66.7% #497 of 527 · declarer play 62.5% #467 of 527 · defence 78.6% #470 of 527
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 54.5% (11) | 72.7% (22) |
| Declarer play | 77.8% (9) | 53.3% (15) |
| Defence | 64.3% (14) | 83.3% (42) |
Opening leads by suit led: ♠ 75.0% (12) · ♥ 71.4% (7) · ♦ 71.4% (7) · ♣ 42.9% (7)
vs par by strain: NT -0.37 (30) · a suit -0.77 (70)
vs par by level: part-score -0.73 (49) · game -1.73 (44) · slam +6.71 (7)
By role: declaring +0.02/bd (-3.00 vs par · 44) · defending -0.33/bd (+1.20 vs par · 56)
By vulnerability: vulnerable -0.75/bd (-1.86 vs par · 52) · not vulnerable +0.45/bd (+0.67 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Zhu | Y.Huang – D.Lu | Closed | 10 | -13.8 | -1.38 | -1.40 |
| Round 2 | J.Zhu | T.Heskje – J.Ovesen | Closed | 10 | -15.6 | -1.56 | +0.60 |
| Round 3 | J.Zhu | M.Romieu – M.Isoard | Closed | 10 | +1.4 | +0.14 | +0.20 |
| Round 4 | J.Zhu | C.Lund – S.Thomsen | Closed | 10 | -11.1 | -1.11 | -3.60 |
| Round 5 | J.Zhu | J.Ferlic – H.Polaschegg | Closed | 10 | +13.0 | +1.30 | +0.20 |
| Round 6 | J.Zhu | K.Sulgrove – D.Sulgrove | Closed | 10 | -21.9 | -2.19 | -3.40 |
| Round 7 | J.Zhu | J.Mill – M.Darling | Closed | 10 | -0.9 | -0.09 | -0.20 |
| Round 8 | J.Zhu | P.Nataf – R.Tembouret | Closed | 10 | +10.2 | +1.02 | -1.00 |
| Round 9 | J.Zhu | V.Leskela – K.Virtanen | Closed | 10 | +10.2 | +1.02 | +0.00 |
| Round 10 | J.Zhu | M.Bertoglio – A.Manno | Closed | 10 | +11.0 | +1.10 | +2.10 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 7 | DARLING | 5 | 6♥ | ♣A | -1 | +13 |
| +9.1 | Round 3 | ISOARD | 22 | 6♣ | ♠8 | -1 | +12 |
| +8.4 | Round 8 | NATAF | 15 | 5♣ | ♠K | -4 | +7 |
| +7.2 | Round 6 | LEBRON | 26 | 4♠ | ♦9 | -3 | +14 |
| +6.3 | Round 10 | GODZILLA | 4 | 4♠ | ♠6 | +1 | -12 |
| +6.1 | Round 2 | CHARLSEN | 19 | 2NT | ♠9 | +1 | +10 |
| +5.8 | Round 9 | ELLEVI | 27 | 7NT | ♥10 | = | +0 |
| +3.6 | Round 8 | NATAF | 19 | 4♠ | ♥A | = | +3 |
| +3.6 | Round 9 | ELLEVI | 30 | 3♥ | ♦A | +2 | +6 |
| +3.5 | Round 7 | DARLING | 4 | 4♥ | ♥6 | -1 | -1 |
| +3.3 | Round 5 | PBC GRAZ | 18 | 3NT | ♣3 | -1 | +5 |
| +3.0 | Round 3 | ISOARD | 21 | 4♠ | ♥A | -2 | +6 |
| +2.9 | Round 4 | PIZZI E BOSCHETTI | 1 | 6♠ | ♣3 | = | +0 |
| +2.8 | Round 10 | GODZILLA | 2 | 1NT | ♣5 | = | +6 |
| +2.7 | Round 6 | LEBRON | 21 | 4♠ | ♣8 | +2 | -11 |
| +2.6 | Round 5 | PBC GRAZ | 17 | 2♥ | ♦A | +1 | +7 |
| +2.6 | Round 9 | ELLEVI | 29 | 3♦ | ♥8 | -1 | -1 |
| +2.5 | Round 1 | BEIJING TRINERGY | 9 | 3NT | ♥7 | +1 | +0 |
| +2.4 | Round 2 | CHARLSEN | 11 | 4♥ | ♠A | +1 | +4 |
| +2.4 | Round 5 | PBC GRAZ | 14 | 1NT | ♠A | = | +5 |
| +2.2 | Round 5 | PBC GRAZ | 15 | 4♥ | ♠6 | = | -1 |
| +2.1 | Round 10 | GODZILLA | 6 | 3♠ | ♦8 | -1 | +4 |
| +1.8 | Round 1 | BEIJING TRINERGY | 5 | 1NT | ♦5 | +2 | +1 |
| +1.8 | Round 3 | ISOARD | 27 | 3NT | ♠3 | -1 | +5 |
| +1.8 | Round 5 | PBC GRAZ | 12 | 3NT | ♣8 | -1 | -6 |
| +1.7 | Round 9 | ELLEVI | 26 | 2♦ | ♦3 | +2 | +1 |
| +1.6 | Round 8 | NATAF | 11 | 2♥ | ♦2 | -1 | +4 |
| +1.6 | Round 9 | ELLEVI | 24 | 3♣ | ♦A | -1 | +5 |
| +1.4 | Round 10 | GODZILLA | 7 | 3♣ | ♦4 | -2 | +2 |
| +1.3 | Round 4 | PIZZI E BOSCHETTI | 6 | 1NT | ♠2 | +1 | +7 |
| +1.3 | Round 7 | DARLING | 2 | 3NT | ♠7 | -2 | +7 |
| +1.3 | Round 9 | ELLEVI | 28 | 2♥ | ♦5 | +1 | +0 |
| +1.3 | Round 10 | GODZILLA | 5 | 1NT | ♥8 | +1 | +0 |
| +1.2 | Round 9 | ELLEVI | 23 | 3NT | ♣3 | +2 | +0 |
| +1.1 | Round 10 | GODZILLA | 9 | 1NT | ♦9 | = | -1 |
| +1.0 | Round 1 | BEIJING TRINERGY | 4 | 3♣ | ♦2 | -1 | +11 |
| +1.0 | Round 5 | PBC GRAZ | 20 | 4♠ | ♥A | +1 | +1 |
| +1.0 | Round 6 | LEBRON | 27 | 1NT | ♠3 | +2 | +1 |
| +0.9 | Round 2 | CHARLSEN | 16 | 4♦ | ♥3 | = | +6 |
| +0.9 | Round 4 | PIZZI E BOSCHETTI | 3 | 3♥ | ♣2 | -1 | -10 |
| +0.8 | Round 5 | PBC GRAZ | 16 | 1♠ | ♥8 | -2 | +2 |
| +0.6 | Round 5 | PBC GRAZ | 19 | 3NT | ♠5 | +2 | -11 |
| +0.4 | Round 1 | BEIJING TRINERGY | 10 | 4♠ | ♣7 | +2 | -13 |
| +0.3 | Round 4 | PIZZI E BOSCHETTI | 4 | 2♠ | ♣J | -2 | +2 |
| +0.2 | Round 2 | CHARLSEN | 14 | 4♠ | ♥A | +1 | +0 |
| +0.2 | Round 7 | DARLING | 10 | 3♠ | ♥4 | = | +0 |
| +0.1 | Round 4 | PIZZI E BOSCHETTI | 2 | 3♦ | ♣10 | +1 | +0 |
| +0.1 | Round 8 | NATAF | 12 | 3NT | ♥5 | +1 | +0 |
| +0.1 | Round 8 | NATAF | 13 | 3♠ | ♣J | = | -12 |
| -0.1 | Round 8 | NATAF | 20 | 4♠ | ♣A | = | +1 |
| -0.1 | Round 10 | GODZILLA | 1 | 3NT | ♠6 | +2 | +10 |
| -0.3 | Round 3 | ISOARD | 28 | 2♥ | ♠A | -1 | +0 |
| -0.3 | Round 5 | PBC GRAZ | 11 | 4♠ | ♠2 | +1 | +0 |
| -0.4 | Round 8 | NATAF | 16 | 2♠ | ♥K | +1 | +0 |
| -0.7 | Round 10 | GODZILLA | 10 | 4♠ | ♦2 | +2 | -1 |
| -0.8 | Round 2 | CHARLSEN | 20 | 1NT | ♠2 | = | -1 |
| -0.8 | Round 8 | NATAF | 17 | 5♠ | ♣10 | = | +0 |
| -0.9 | Round 9 | ELLEVI | 22 | 4♠ | ♣K | = | +0 |
| -1.1 | Round 6 | LEBRON | 22 | 3♦ | ♣6 | +1 | -9 |
| -1.1 | Round 8 | NATAF | 18 | 4♠ | ♠6 | +1 | -11 |
| -1.1 | Round 10 | GODZILLA | 8 | 6♥ | ♦6 | +1 | +11 |
| -1.2 | Round 1 | BEIJING TRINERGY | 1 | 3NT | ♥3 | +2 | +0 |
| -1.2 | Round 8 | NATAF | 14 | 4♥ | ♣J | -1 | -2 |
| -1.4 | Round 5 | PBC GRAZ | 13 | 3♣ | ♠J | +1 | +0 |
| -1.4 | Round 6 | LEBRON | 25 | 2♠ | ♦7 | = | +0 |
| -1.5 | Round 1 | BEIJING TRINERGY | 3 | 5♥ | ♥4 | = | -11 |
| -1.5 | Round 3 | ISOARD | 24 | 2♠ | ♥A | -1 | +2 |
| -1.9 | Round 3 | ISOARD | 25 | 1NT | ♥3 | = | -7 |
| -1.9 | Round 4 | PIZZI E BOSCHETTI | 7 | 3NT | ♠Q | = | -13 |
| -1.9 | Round 6 | LEBRON | 30 | 3NT | ♠10 | +2 | -1 |
| -2.0 | Round 1 | BEIJING TRINERGY | 8 | 3♥ | ♣A | -1 | -3 |
| -2.0 | Round 3 | ISOARD | 30 | 3♣ | ♥J | = | -5 |
| -2.1 | Round 4 | PIZZI E BOSCHETTI | 8 | 3NT | ♣J | +2 | -1 |
| -2.1 | Round 10 | GODZILLA | 3 | 3♥ | ♣Q | +2 | +2 |
| -2.2 | Round 3 | ISOARD | 23 | 4♠ | ♥A | +2 | -9 |
| -2.2 | Round 3 | ISOARD | 26 | 2NT | ♠5 | +2 | -2 |
| -2.4 | Round 3 | ISOARD | 29 | 3♣ | ♥K | +1 | +0 |
| -2.6 | Round 7 | DARLING | 7 | 5♦ | ♠A | +1 | -1 |
| -2.7 | Round 7 | DARLING | 8 | 1♣ | ♦Q | +2 | -7 |
| -2.8 | Round 7 | DARLING | 6 | 4♦ | ♣A | = | -6 |
| -2.9 | Round 4 | PIZZI E BOSCHETTI | 9 | 1NT | ♦9 | +1 | -11 |
| -3.0 | Round 7 | DARLING | 3 | 3♦ | ♦3 | +1 | +0 |
| -3.2 | Round 7 | DARLING | 9 | 3♥ | ♠A | = | +0 |
| -3.2 | Round 9 | ELLEVI | 21 | 2♠ | ♣K | -2 | -5 |
| -3.4 | Round 2 | CHARLSEN | 13 | 6♠ | ♣10 | = | +0 |
| -3.5 | Round 7 | DARLING | 1 | 3♠ | ♣3 | +2 | -7 |
| -3.5 | Round 9 | ELLEVI | 25 | 3♥ | ♠9 | = | -6 |
| -3.6 | Round 6 | LEBRON | 24 | 3NT | ♣8 | +2 | -1 |
| -3.7 | Round 1 | BEIJING TRINERGY | 6 | 4♠ | ♣J | = | +13 |
| -3.7 | Round 2 | CHARLSEN | 18 | 4♥ | ♠8 | = | -11 |
| -3.8 | Round 1 | BEIJING TRINERGY | 7 | 4♥ | ♣2 | -1 | -12 |
| -4.1 | Round 4 | PIZZI E BOSCHETTI | 10 | 4♠ | ♥A | = | +1 |
| -4.3 | Round 2 | CHARLSEN | 12 | 6♠ | ♥3 | = | +11 |
| -4.3 | Round 2 | CHARLSEN | 15 | 4♦ | ♠5 | -1 | -5 |
| -4.5 | Round 6 | LEBRON | 28 | 3NT | ♠5 | +2 | -2 |
| -5.6 | Round 4 | PIZZI E BOSCHETTI | 5 | 1NT | ♥2 | = | -11 |
| -6.4 | Round 6 | LEBRON | 29 | 3♦ | ♣2 | +1 | -11 |
| -7.3 | Round 1 | BEIJING TRINERGY | 2 | 3NT | ♥6 | +1 | +0 |
| -8.7 | Round 2 | CHARLSEN | 17 | 5♣x | ♥5 | -4 | -8 |
| -13.9 | Round 6 | LEBRON | 23 | 5♥x | ♠K | = | -14 |