JIANG Tong · PAN CHINA
689rank
-72.5Butler · 90 bds
-0.81per board
±4.7swing
-0.81vs par /bd · #615/695
-0.88adjusted /bd
by round
vs par split: bidding -0.30 · play -0.51
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.88/bd
Card play — on target: opening leads 73.9% #556 of 694 · declarer play 84.0% #89 of 694 · defence 86.0% #240 of 695
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 40.0% (5) | 83.3% (18) |
| Declarer play | 88.9% (9) | 81.2% (16) |
| Defence | 66.7% (6) | 89.2% (37) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 0.0% (1) · ♦ 62.5% (8) · ♣ 100.0% (6)
vs par by strain: NT -2.04 (22) · a suit -0.41 (68)
vs par by level: part-score +1.93 (28) · game -2.88 (57) · slam +7.40 (5)
By role: declaring -0.99/bd (-3.32 vs par · 47) · defending -0.60/bd (+1.93 vs par · 43)
By vulnerability: vulnerable -0.61/bd (-1.91 vs par · 46) · not vulnerable -1.01/bd (+0.34 vs par · 44)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | D.Wang | K.Ng – K.Fong | Closed | 10 | -1.2 | -0.12 | -0.20 |
| Round 4 | D.Wang | M.Rossard – J.Romanowski | Closed | 10 | -26.5 | -2.65 | -3.90 |
| Round 8 | D.Wang | R.Verdonk – L.Dekker | Open | 10 | +9.1 | +0.91 | -0.80 |
| Round 9 | D.Wang | O.Gelling – E.Jeurissen | Closed | 10 | -6.6 | -0.66 | -0.20 |
| Round 10 | D.Wang | L.Pain – I.Vargas De Andrade | Open | 10 | +18.6 | +1.86 | +2.80 |
| Round 12 | D.Wang | G.Keldermans – W.Van Den Hove | Open | 10 | -2.5 | -0.25 | +4.50 |
| Round 13 | D.Wang | G.Tislevoll – J.Sveindal | Closed | 10 | -0.3 | -0.03 | -0.90 |
| Round 14 | D.Wang | B.Marina – I.Coldea | Closed | 10 | -38.4 | -3.84 | -4.80 |
| Round 15 | D.Wang | M.Roche – J.Rayner | Open | 10 | -24.7 | -2.47 | -3.80 |
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 8 | 2 KLAVEREN | 13 | 5♥x | ♠3 | -1 | +12 |
| +9.1 | Round 8 | 2 KLAVEREN | 16 | 3NT | ♣2 | +1 | +4 |
| +8.1 | Round 13 | CORNELL NZ NORWAY | 10 | 3NT | ♠Q | +1 | +0 |
| +8.0 | Round 12 | FRENCKEN | 30 | 6♥ | ♦K | -1 | +14 |
| +6.9 | Round 3 | SINGAPORE | 26 | 2♠ | ♦K | -1 | +6 |
| +6.8 | Round 10 | RIO | 2 | 4♠ | ♦9 | -2 | +13 |
| +6.5 | Round 3 | SINGAPORE | 27 | 3NT | ♦7 | = | +6 |
| +5.4 | Round 10 | RIO | 5 | 3♠ | ♣A | -1 | +6 |
| +5.2 | Round 9 | DE MIJNSTREEK | 30 | 3NT | ♠4 | = | +0 |
| +5.0 | Round 8 | 2 KLAVEREN | 19 | 2♠ | ♣10 | +2 | +2 |
| +4.9 | Round 3 | SINGAPORE | 30 | 3♥ | ♦10 | -4 | +7 |
| +4.4 | Round 10 | RIO | 6 | 2NT | ♦4 | = | +7 |
| +4.4 | Round 12 | FRENCKEN | 29 | 6♣ | ♦2 | +1 | +13 |
| +3.9 | Round 4 | ROSSARD | 8 | 3♦ | ♠J | = | +5 |
| +3.4 | Round 9 | DE MIJNSTREEK | 25 | 2♥ | ♦8 | +2 | +2 |
| +3.1 | Round 10 | RIO | 4 | 4♦ | ♠A | = | +0 |
| +3.0 | Round 12 | FRENCKEN | 25 | 4♦ | ♠8 | = | +7 |
| +3.0 | Round 15 | RAYNER | 30 | 3NT | ♠9 | +2 | +0 |
| +2.8 | Round 8 | 2 KLAVEREN | 17 | 2♠ | ♦8 | = | +0 |
| +2.7 | Round 12 | FRENCKEN | 23 | 1♣xx | ♠10 | = | +9 |
| +2.6 | Round 13 | CORNELL NZ NORWAY | 4 | 3♠ | ♣J | = | +0 |
| +2.2 | Round 4 | ROSSARD | 6 | 5♠ | ♥A | = | +0 |
| +2.1 | Round 8 | 2 KLAVEREN | 18 | 5♥x | ♣K | -3 | +4 |
| +2.0 | Round 14 | ROM COLDEA | 13 | 4♥ | ♠6 | +3 | -12 |
| +1.7 | Round 9 | DE MIJNSTREEK | 24 | 4♠ | ♦3 | -2 | +5 |
| +1.6 | Round 9 | DE MIJNSTREEK | 27 | 3NT | ♠5 | = | +3 |
| +1.4 | Round 4 | ROSSARD | 4 | 4♥ | ♦J | +2 | +2 |
| +1.3 | Round 10 | RIO | 1 | 3NT | ♠5 | = | +2 |
| +1.2 | Round 10 | RIO | 8 | 2♠ | ♣5 | = | +7 |
| +1.0 | Round 13 | CORNELL NZ NORWAY | 9 | 3NT | ♣7 | +3 | -12 |
| +0.6 | Round 9 | DE MIJNSTREEK | 22 | 4♥ | ♠Q | = | +1 |
| +0.6 | Round 13 | CORNELL NZ NORWAY | 6 | 3♣ | ♠2 | +2 | +7 |
| +0.5 | Round 8 | 2 KLAVEREN | 15 | 4♠ | ♦2 | = | +1 |
| +0.4 | Round 13 | CORNELL NZ NORWAY | 5 | 3NT | ♣2 | = | -1 |
| +0.4 | Round 15 | RAYNER | 28 | 4♠ | ♥A | = | +1 |
| +0.3 | Round 3 | SINGAPORE | 29 | 2♠ | ♣K | -1 | -1 |
| +0.2 | Round 9 | DE MIJNSTREEK | 29 | 3NT | ♠J | = | -2 |
| +0.1 | Round 14 | ROM COLDEA | 19 | 4♠ | ♥3 | +1 | +0 |
| +0.1 | Round 15 | RAYNER | 24 | 4♠ | ♥5 | = | -1 |
| -0.0 | Round 10 | RIO | 10 | 2♣ | ♥6 | +2 | +0 |
| -0.0 | Round 13 | CORNELL NZ NORWAY | 2 | 3♥ | ♠3 | +1 | +8 |
| +0.0 | Round 14 | ROM COLDEA | 11 | 3♠ | ♦A | -1 | -2 |
| -0.2 | Round 13 | CORNELL NZ NORWAY | 8 | 1NT | ♦4 | -3 | +6 |
| -0.2 | Round 15 | RAYNER | 26 | 4♠ | ♣J | = | +0 |
| -0.4 | Round 3 | SINGAPORE | 23 | 3♦ | ♣5 | -1 | -1 |
| -0.6 | Round 9 | DE MIJNSTREEK | 28 | 4♥ | ♣A | +2 | +12 |
| -0.6 | Round 10 | RIO | 7 | 2♠ | ♥2 | +2 | -1 |
| -0.6 | Round 15 | RAYNER | 25 | 2♠ | ♥J | +2 | -10 |
| -0.7 | Round 4 | ROSSARD | 7 | 3♥ | ♣J | -1 | +0 |
| -1.1 | Round 3 | SINGAPORE | 25 | 4♠ | ♦Q | -1 | +1 |
| -1.1 | Round 15 | RAYNER | 22 | 4♠ | ♦6 | +1 | -1 |
| -1.3 | Round 13 | CORNELL NZ NORWAY | 1 | 3NT | ♥2 | +2 | +0 |
| -1.4 | Round 10 | RIO | 9 | 4♠ | ♣7 | -1 | -6 |
| -1.4 | Round 12 | FRENCKEN | 22 | 2♥ | ♦10 | -1 | +1 |
| -1.5 | Round 12 | FRENCKEN | 26 | 3♦ | ♣A | +1 | +0 |
| -1.5 | Round 12 | FRENCKEN | 27 | 4♥ | ♣10 | +1 | +0 |
| -1.6 | Round 10 | RIO | 3 | 2♠ | ♦A | -1 | +0 |
| -1.6 | Round 15 | RAYNER | 27 | 5♦x | ♣5 | -2 | -4 |
| -1.7 | Round 8 | 2 KLAVEREN | 14 | 4♥ | ♣J | -1 | -4 |
| -1.8 | Round 12 | FRENCKEN | 21 | 3NT | ♦5 | +3 | +12 |
| -2.4 | Round 14 | ROM COLDEA | 17 | 6♠ | ♦8 | = | +10 |
| -2.4 | Round 15 | RAYNER | 21 | 4♥ | ♣6 | +1 | +0 |
| -2.5 | Round 3 | SINGAPORE | 24 | 3♠ | ♥9 | -2 | +0 |
| -2.8 | Round 4 | ROSSARD | 9 | 4♥ | ♦A | -1 | -6 |
| -3.2 | Round 3 | SINGAPORE | 28 | 4♥x | ♦10 | -1 | -6 |
| -3.3 | Round 14 | ROM COLDEA | 15 | 4♠ | ♥2 | -1 | +2 |
| -3.4 | Round 8 | 2 KLAVEREN | 11 | 3NT | ♠9 | -1 | -5 |
| -3.7 | Round 14 | ROM COLDEA | 20 | 3NT | ♣3 | -1 | -12 |
| -3.9 | Round 3 | SINGAPORE | 21 | 3NT | ♠7 | +3 | -3 |
| -4.1 | Round 4 | ROSSARD | 10 | 6♠ | ♥10 | = | +0 |
| -4.7 | Round 13 | CORNELL NZ NORWAY | 3 | 3NT | ♣2 | -2 | -7 |
| -4.9 | Round 4 | ROSSARD | 2 | 4♥ | ♠K | -1 | -10 |
| -5.4 | Round 12 | FRENCKEN | 24 | 6♥ | ♦K | = | +0 |
| -5.6 | Round 14 | ROM COLDEA | 12 | 4♠x | ♥3 | -2 | -5 |
| -5.7 | Round 4 | ROSSARD | 3 | 4♠ | ♦7 | = | -6 |
| -5.8 | Round 9 | DE MIJNSTREEK | 23 | 4♥ | ♠Q | = | +0 |
| -5.9 | Round 14 | ROM COLDEA | 18 | 5♣ | ♠A | = | -3 |
| -6.0 | Round 9 | DE MIJNSTREEK | 26 | 5♣ | ♦Q | -2 | -17 |
| -6.8 | Round 13 | CORNELL NZ NORWAY | 7 | 4♠ | ♥K | = | -10 |
| -6.9 | Round 9 | DE MIJNSTREEK | 21 | 3NT | ♦2 | -2 | -6 |
| -7.3 | Round 8 | 2 KLAVEREN | 12 | 4♠ | ♥A | = | -10 |
| -7.8 | Round 4 | ROSSARD | 5 | 3NT | ♥4 | -4 | -12 |
| -8.0 | Round 4 | ROSSARD | 1 | 5♠x | ♥A | -3 | -12 |
| -8.7 | Round 3 | SINGAPORE | 22 | 5♣ | ♥A | -4 | -11 |
| -9.0 | Round 12 | FRENCKEN | 28 | 3NT | ♠10 | +2 | -11 |
| -9.7 | Round 14 | ROM COLDEA | 14 | 3NT | ♦6 | -1 | -14 |
| -9.9 | Round 8 | 2 KLAVEREN | 20 | 4♥ | ♥2 | -1 | -12 |
| -9.9 | Round 14 | ROM COLDEA | 16 | 5♦x | ♥2 | -1 | -12 |
| -10.0 | Round 15 | RAYNER | 29 | 3♦ | ♣3 | +1 | -11 |
| -12.3 | Round 15 | RAYNER | 23 | 4♠x | ♥3 | = | -12 |