ESKES Onno · AUKEN
vs par split: bidding -0.25 · play -0.27
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -0.04/bd
Card play — on target: opening leads 92.3% #60 of 671 · declarer play 80.8% #255 of 671 · defence 77.4% #570 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 92.3% (26) |
| Declarer play | · | 80.8% (26) |
| Defence | · | 77.4% (53) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (4) · ♦ 77.8% (9) · ♣ 100.0% (8)
vs par by strain: a suit -0.51 (105)
vs par by level: part-score -0.10 (51) · game -0.87 (46) · slam -1.12 (8)
By role: declaring +0.14/bd (-2.31 vs par · 74) · defending -0.68/bd (+1.53 vs par · 76)
By vulnerability: vulnerable -0.16/bd (-0.54 vs par · 86) · not vulnerable -0.43/bd (-0.14 vs par · 64)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | R.Van Prooijen | J.Tian – B.Pan | Open | 10 | -4.2 | -0.42 | -2.00 |
| Round 2 | R.Van Prooijen | S.Bi – Y.Wei | Open | 10 | -5.9 | -0.59 | -4.40 |
| Round 3 | R.Van Prooijen | J.Rombaut – L.Sebbane | Open | 10 | +7.6 | +0.76 | +3.00 |
| Round 4 | R.Van Prooijen | W.Guan – Y.Ren | Open | 10 | +27.0 | +2.70 | +3.50 |
| Round 5 | R.Van Prooijen | R.Kutner – N.Buchlev | Open | 10 | -4.8 | -0.48 | +0.50 |
| Round 6 | R.Van Prooijen | C.Martel – M.Fleisher | Open | 10 | -10.2 | -1.02 | -2.20 |
| Round 7 | R.Van Prooijen | Y.Sun – Y.Zhang | Open | 10 | +15.6 | +1.56 | +0.80 |
| Round 8 | R.Van Prooijen | F.Gong – S.Hu | Open | 10 | +13.5 | +1.35 | +0.70 |
| Round 9 | R.Van Prooijen | P.Tuszynski – A.Kowalski | Open | 10 | +7.9 | +0.79 | +0.20 |
| Round 10 | R.Van Prooijen | C.Pan – H.Zhang | Open | 10 | -6.8 | -0.68 | -1.50 |
| Round 11 | R.Van Prooijen | A.Ivanov – N.Barantiev | Open | 10 | -12.7 | -1.27 | -0.50 |
| Round 12 | R.Van Prooijen | S.Liu – Y.Liang | Open | 10 | -5.2 | -0.52 | -1.60 |
| Round 13 | R.Van Prooijen | J.Seamon-Molson – E.Schulte | Open | 10 | -16.5 | -1.65 | +2.10 |
| Round 14 | R.Van Prooijen | J.Miller – G.Stout | Open | 10 | -26.0 | -2.60 | -0.50 |
| Round 15 | R.Van Prooijen | W.Schneider – H.Uhlmann | Open | 10 | -21.0 | -2.10 | -3.60 |
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 |
|---|---|---|---|---|---|---|---|
| +15.2 | Round 4 | TIANJIN | 6 | 3Nx | ♠Q | -6 | +13 |
| +11.8 | Round 9 | ROSSARSKI | 28 | 3♠ | ♦A | = | +14 |
| +10.8 | Round 7 | ZHEJIANG HUAMEN | 7 | 4♠ | ♥3 | = | +10 |
| +9.7 | Round 8 | CHINESE TAIPEI LADIES | 20 | 4♠ | ♥K | -1 | +12 |
| +9.0 | Round 7 | ZHEJIANG HUAMEN | 5 | 5♠x | ♦Q | = | +10 |
| +9.0 | Round 9 | ROSSARSKI | 25 | 3N | ♦5 | = | +10 |
| +8.4 | Round 4 | TIANJIN | 1 | 5♣ | ♥K | = | +7 |
| +8.0 | Round 8 | CHINESE TAIPEI LADIES | 12 | 3N | ♣10 | = | +6 |
| +7.3 | Round 10 | LANP PECH | 1 | 2♥x | ♥K | -2 | +6 |
| +6.6 | Round 3 | GROSS | 25 | 1Nx | ♠8 | +1 | +7 |
| +6.3 | Round 3 | GROSS | 28 | 3N | ♠4 | -1 | +11 |
| +6.1 | Round 7 | ZHEJIANG HUAMEN | 9 | 2♥ | ♠8 | +3 | +13 |
| +5.2 | Round 5 | MUNICH | 13 | 3N | ♠2 | = | +5 |
| +5.0 | Round 9 | ROSSARSKI | 21 | 2♠ | ♣8 | +1 | +7 |
| +4.7 | Round 1 | SHANGHAI EPC | 3 | 5♥ | ♠7 | = | +0 |
| +4.7 | Round 11 | CHATEAU ROSSENOVO | 16 | 4♠ | ♦9 | +1 | +0 |
| +4.7 | Round 12 | HUBEI DONGFENG | 26 | 4♥ | ♣4 | -2 | +8 |
| +4.6 | Round 7 | ZHEJIANG HUAMEN | 6 | 5♣x | ♦A | -4 | +4 |
| +4.6 | Round 13 | SEAMON-MOLSON | 4 | 4♠ | ♥3 | +1 | +0 |
| +4.5 | Round 10 | LANP PECH | 10 | 4♠ | ♣5 | -1 | +6 |
| +4.5 | Round 13 | SEAMON-MOLSON | 6 | 6♣ | ♥2 | -1 | +14 |
| +4.2 | Round 3 | GROSS | 26 | 5♣ | ♦A | +1 | +8 |
| +4.1 | Round 1 | SHANGHAI EPC | 5 | 3♠ | ♦10 | +1 | +1 |
| +4.0 | Round 2 | HUATIE HAIXING | 13 | 4♥ | ♣5 | -2 | +8 |
| +3.9 | Round 8 | CHINESE TAIPEI LADIES | 11 | 5♣ | ♦8 | = | +3 |
| +3.7 | Round 8 | CHINESE TAIPEI LADIES | 15 | 2♠ | ♦7 | -1 | +6 |
| +3.6 | Round 15 | GERMANY SENIORS II | 26 | 3♠ | ♦10 | -1 | +6 |
| +3.5 | Round 2 | HUATIE HAIXING | 17 | 4♥ | ♦6 | -1 | -4 |
| +3.5 | Round 12 | HUBEI DONGFENG | 29 | 2♠ | ♥Q | = | +5 |
| +3.5 | Round 15 | GERMANY SENIORS II | 25 | 4♠ | ♦6 | +2 | -14 |
| +3.4 | Round 11 | CHATEAU ROSSENOVO | 11 | 3N | ♠10 | +1 | +0 |
| +3.3 | Round 8 | CHINESE TAIPEI LADIES | 19 | 2N | ♠J | = | +1 |
| +2.8 | Round 11 | CHATEAU ROSSENOVO | 17 | 2♠ | ♣Q | -2 | +5 |
| +2.7 | Round 3 | GROSS | 27 | 3N | ♠4 | -1 | +5 |
| +2.7 | Round 4 | TIANJIN | 4 | 3♦ | ♥J | +2 | +10 |
| +2.4 | Round 2 | HUATIE HAIXING | 15 | 4♥ | ♣9 | +2 | +1 |
| +2.4 | Round 4 | TIANJIN | 3 | 3N | ♦2 | +2 | +0 |
| +2.4 | Round 4 | TIANJIN | 7 | 1N | ♦Q | +3 | +1 |
| +2.3 | Round 1 | SHANGHAI EPC | 4 | 3♠ | ♠2 | -2 | +2 |
| +2.3 | Round 3 | GROSS | 23 | 4♠ | ♦J | +1 | +0 |
| +2.2 | Round 12 | HUBEI DONGFENG | 27 | 4♥ | ♠A | = | -6 |
| +2.2 | Round 13 | SEAMON-MOLSON | 1 | 4♠ | ♥J | +1 | +1 |
| +2.1 | Round 6 | LAVAZZA | 30 | 3N | ♠2 | -2 | +6 |
| +2.1 | Round 11 | CHATEAU ROSSENOVO | 18 | 3♣ | ♠3 | = | +0 |
| +1.6 | Round 14 | GRANT | 12 | 3♠ | ♠9 | -1 | -2 |
| +1.5 | Round 5 | MUNICH | 15 | 5♥ | ♠K | +1 | +11 |
| +1.4 | Round 1 | SHANGHAI EPC | 9 | 3N | ♥10 | +2 | +0 |
| +1.4 | Round 14 | GRANT | 15 | 4♦ | ♠9 | -1 | +4 |
| +1.4 | Round 14 | GRANT | 17 | 2♦ | ♥7 | -1 | +2 |
| +1.3 | Round 12 | HUBEI DONGFENG | 30 | 4♥ | ♦A | -1 | +5 |
| +1.3 | Round 13 | SEAMON-MOLSON | 7 | 4♥ | ♣A | +1 | +0 |
| +1.2 | Round 5 | MUNICH | 16 | 1N | ♦9 | = | +2 |
| +1.2 | Round 11 | CHATEAU ROSSENOVO | 19 | 4♠ | ♣J | +1 | +1 |
| +1.1 | Round 8 | CHINESE TAIPEI LADIES | 14 | 2♥ | ♣2 | = | +0 |
| +1.1 | Round 13 | SEAMON-MOLSON | 3 | 3N | ♥2 | = | +2 |
| +0.9 | Round 4 | TIANJIN | 2 | 3N | ♦3 | +2 | +1 |
| +0.9 | Round 9 | ROSSARSKI | 24 | 4♥ | ♦4 | = | -5 |
| +0.8 | Round 3 | GROSS | 24 | 3♣ | ♦A | -2 | +1 |
| +0.8 | Round 4 | TIANJIN | 10 | Pass | +3 | ||
| +0.7 | Round 15 | GERMANY SENIORS II | 24 | 2Nx | ♠4 | -1 | +5 |
| +0.6 | Round 1 | SHANGHAI EPC | 1 | 2♦ | ♣K | +3 | +7 |
| +0.6 | Round 5 | MUNICH | 20 | 4♠ | ♣A | = | -1 |
| +0.6 | Round 8 | CHINESE TAIPEI LADIES | 17 | 3N | ♥7 | = | -6 |
| +0.5 | Round 5 | MUNICH | 11 | 2N | ♥J | -1 | -4 |
| +0.4 | Round 6 | LAVAZZA | 23 | 2♥ | ♦4 | +1 | +0 |
| +0.3 | Round 3 | GROSS | 21 | 2N | ♣10 | = | +1 |
| +0.3 | Round 10 | LANP PECH | 3 | 3♥ | ♦K | = | +0 |
| +0.2 | Round 1 | SHANGHAI EPC | 10 | 3N | ♠10 | +1 | -4 |
| +0.2 | Round 2 | HUATIE HAIXING | 20 | 3N | ♥5 | +3 | -13 |
| +0.2 | Round 5 | MUNICH | 12 | 1♠ | ♦K | +1 | +0 |
| +0.2 | Round 12 | HUBEI DONGFENG | 25 | 3N | ♣J | +1 | -5 |
| +0.1 | Round 6 | LAVAZZA | 29 | 3♦ | ♠6 | +1 | +0 |
| +0.1 | Round 7 | ZHEJIANG HUAMEN | 1 | 4♥ | ♣3 | = | +1 |
| +0.0 | Round 6 | LAVAZZA | 22 | 2♥ | ♣K | -2 | +5 |
| +0.0 | Round 6 | LAVAZZA | 28 | 3N | ♠2 | +2 | +0 |
| -0.0 | Round 7 | ZHEJIANG HUAMEN | 3 | 2♦ | ♣2 | -2 | -9 |
| -0.0 | Round 12 | HUBEI DONGFENG | 21 | 4♦ | ♥A | = | -1 |
| -0.1 | Round 13 | SEAMON-MOLSON | 5 | 4N | ♣K | = | +12 |
| -0.2 | Round 6 | LAVAZZA | 27 | 4♥ | ♦K | -1 | -5 |
| -0.2 | Round 7 | ZHEJIANG HUAMEN | 4 | 4♥ | ♠9 | = | -1 |
| -0.2 | Round 15 | GERMANY SENIORS II | 22 | 4♠ | ♦5 | +1 | -5 |
| -0.3 | Round 7 | ZHEJIANG HUAMEN | 10 | 3♣ | ♦10 | -1 | -1 |
| -0.3 | Round 10 | LANP PECH | 5 | 4♠ | ♥4 | +2 | -11 |
| -0.4 | Round 14 | GRANT | 19 | 1N | ♠J | = | +5 |
| -0.5 | Round 9 | ROSSARSKI | 30 | 4♥ | ♦10 | -2 | +1 |
| -0.5 | Round 10 | LANP PECH | 6 | 4♠ | ♣A | = | +0 |
| -0.5 | Round 12 | HUBEI DONGFENG | 23 | 3N | ♠Q | -1 | -6 |
| -0.7 | Round 9 | ROSSARSKI | 23 | 1N | ♥4 | = | -1 |
| -0.8 | Round 10 | LANP PECH | 9 | 4♠x | ♥Q | -2 | +0 |
| -0.9 | Round 2 | HUATIE HAIXING | 19 | 3♦ | ♠Q | +1 | +0 |
| -1.0 | Round 4 | TIANJIN | 5 | 2♥ | ♦A | -1 | +1 |
| -1.0 | Round 10 | LANP PECH | 4 | 2♠ | ♥3 | -1 | -5 |
| -1.0 | Round 15 | GERMANY SENIORS II | 29 | 4♠ | ♠10 | = | +0 |
| -1.1 | Round 8 | CHINESE TAIPEI LADIES | 16 | 2♠ | ♥A | +1 | +0 |
| -1.2 | Round 11 | CHATEAU ROSSENOVO | 13 | 2♥ | ♣6 | = | -1 |
| -1.2 | Round 15 | GERMANY SENIORS II | 23 | 1N | ♥3 | -1 | -5 |
| -1.3 | Round 14 | GRANT | 11 | 2♣ | ♠4 | = | -5 |
| -1.4 | Round 4 | TIANJIN | 8 | 3♠ | ♦Q | = | +0 |
| -1.5 | Round 10 | LANP PECH | 7 | 2♠ | ♠3 | +1 | +8 |
| -1.6 | Round 2 | HUATIE HAIXING | 18 | 4♠ | ♥A | -1 | -4 |
| -1.6 | Round 9 | ROSSARSKI | 22 | 2♠ | ♦3 | +3 | -6 |
| -1.7 | Round 1 | SHANGHAI EPC | 6 | 2N | ♣3 | = | -1 |
| -1.7 | Round 3 | GROSS | 22 | 3N | ♣8 | +2 | +4 |
| -1.7 | Round 10 | LANP PECH | 8 | 2N | ♦10 | = | -5 |
| -1.8 | Round 6 | LAVAZZA | 24 | 3♦ | ♠7 | -1 | -5 |
| -1.9 | Round 2 | HUATIE HAIXING | 14 | 3N | ♣2 | +4 | -17 |
| -2.1 | Round 14 | GRANT | 18 | 2♥ | ♦A | +2 | -6 |
| -2.4 | Round 14 | GRANT | 16 | 4♠ | ♣6 | = | +0 |
| -2.6 | Round 5 | MUNICH | 19 | 2♥ | ♣6 | +1 | -1 |
| -2.6 | Round 6 | LAVAZZA | 25 | 3♥ | ♣K | -1 | -6 |
| -2.7 | Round 15 | GERMANY SENIORS II | 27 | 4♥ | ♠2 | -1 | -5 |
| -2.8 | Round 2 | HUATIE HAIXING | 11 | 3N | ♥4 | -1 | -5 |
| -2.8 | Round 2 | HUATIE HAIXING | 12 | 2♥ | ♥2 | -1 | -5 |
| -2.9 | Round 6 | LAVAZZA | 26 | 4♠ | ♥Q | +2 | -6 |
| -2.9 | Round 11 | CHATEAU ROSSENOVO | 15 | 3♦ | ♣Q | -1 | +2 |
| -3.1 | Round 9 | ROSSARSKI | 26 | 4♠ | ♦7 | -1 | -6 |
| -3.2 | Round 5 | MUNICH | 17 | 1N | ♠2 | +1 | +0 |
| -3.3 | Round 1 | SHANGHAI EPC | 8 | 2♠ | ♦4 | -1 | -4 |
| -3.3 | Round 3 | GROSS | 30 | 3N | ♥9 | = | +6 |
| -3.3 | Round 5 | MUNICH | 18 | 3♠ | ♣A | +1 | -1 |
| -3.4 | Round 4 | TIANJIN | 9 | 2♣ | ♦4 | +2 | -1 |
| -3.6 | Round 11 | CHATEAU ROSSENOVO | 14 | 3♦ | ♣5 | +2 | -15 |
| -3.6 | Round 12 | HUBEI DONGFENG | 22 | 3N | ♥A | -1 | -5 |
| -3.7 | Round 14 | GRANT | 20 | 3N | ♦4 | +2 | -1 |
| -3.8 | Round 8 | CHINESE TAIPEI LADIES | 18 | 2♠ | ♦6 | -2 | -5 |
| -4.1 | Round 13 | SEAMON-MOLSON | 2 | 4♥ | ♥2 | +1 | +0 |
| -4.3 | Round 15 | GERMANY SENIORS II | 30 | 3N | ♠3 | = | +3 |
| -4.7 | Round 7 | ZHEJIANG HUAMEN | 2 | 2♠ | ♣A | +1 | -6 |
| -4.8 | Round 13 | SEAMON-MOLSON | 10 | 5♦ | ♥5 | -1 | -6 |
| -4.9 | Round 5 | MUNICH | 14 | 2N | ♠Q | = | -6 |
| -5.1 | Round 9 | ROSSARSKI | 29 | 1♠ | ♦7 | +1 | -6 |
| -5.3 | Round 6 | LAVAZZA | 21 | 6♥ | ♣A | -1 | -11 |
| -5.4 | Round 12 | HUBEI DONGFENG | 24 | 3♠ | ♣3 | = | +0 |
| -5.9 | Round 15 | GERMANY SENIORS II | 21 | 4♠ | ♣Q | = | -7 |
| -6.0 | Round 1 | SHANGHAI EPC | 2 | 3N | ♣6 | +1 | -8 |
| -6.0 | Round 2 | HUATIE HAIXING | 16 | 2♠ | ♥10 | -3 | -5 |
| -6.5 | Round 1 | SHANGHAI EPC | 7 | 4♥ | ♠J | -1 | -13 |
| -7.6 | Round 12 | HUBEI DONGFENG | 28 | 4♠ | ♦K | -1 | -11 |
| -7.7 | Round 14 | GRANT | 14 | 6♠ | ♥4 | = | +10 |
| -7.8 | Round 9 | ROSSARSKI | 27 | 3N | ♦3 | = | -6 |
| -8.0 | Round 11 | CHATEAU ROSSENOVO | 12 | 3N | ♥3 | = | +1 |
| -8.4 | Round 13 | SEAMON-MOLSON | 8 | 6♠ | ♦Q | = | +11 |
| -9.8 | Round 7 | ZHEJIANG HUAMEN | 8 | 4♠x | ♦3 | = | -13 |
| -10.6 | Round 3 | GROSS | 29 | 6♦ | ♠4 | -1 | -13 |
| -11.2 | Round 11 | CHATEAU ROSSENOVO | 20 | 6♣ | ♠4 | = | +2 |
| -11.9 | Round 8 | CHINESE TAIPEI LADIES | 13 | 6♠ | ♥K | = | -10 |
| -12.8 | Round 13 | SEAMON-MOLSON | 9 | 3N | ♥3 | -1 | -13 |
| -12.8 | Round 14 | GRANT | 13 | 6♠x | ♥A | -1 | -12 |
| -13.1 | Round 10 | LANP PECH | 2 | 4♥ | ♣Q | +2 | -14 |
| -13.5 | Round 15 | GERMANY SENIORS II | 28 | 3♣x | ♠4 | -4 | -14 |