Verona 2006 — player statistics
Four double-dummy measures per player plus bidding activity, over every board they played, and an opponent-adjusted (strength-of-schedule) Butler. Each table lists all players and is sortable by any column. Double-dummy is idealised — the true best play needs all four hands — so read these as tendencies, not verdicts.
Butler vs double-dummy par↑ top
IMPs per board scored above (+) or below (−) the board’s minimax par — what real bidding and play (theirs and the opponents’) added or gave away against perfect double-dummy play. Players with few boards are greyed. Click a column header to sort; filter by name or team.
| # | Player | Team | Boards | /board | Total |
|---|---|---|---|---|---|
| 1 | P.Sundelin | JEAN-MARSHA | 24 | +1.00 | +24.0 |
| 2 | J.Schermer | JEAN-MARSHA | 26 | +0.58 | +15.0 |
| 3 | G.Kasle | FINKEL | 26 | +0.54 | +14.0 |
| 4 | J.Sutherlin | FINKEL | 26 | +0.54 | +14.0 |
| 5 | A.Fisher | JEAN-MARSHA | 24 | +0.38 | +9.0 |
| 6 | V.Melman | MARKOWICZ | 14 | +0.07 | +1.0 |
| 7 | S.Zeligman | MARKOWICZ | 14 | +0.07 | +1.0 |
| 8 | L.Finkel | FINKEL | 26 | -0.04 | -1.0 |
| 9 | J.Mohan | FINKEL | 26 | -0.04 | -1.0 |
| 10 | N.Chambers | JEAN-MARSHA | 14 | -0.14 | -2.0 |
| 11 | R.Ramer | NETHERLANDS 1 | 14 | -0.36 | -5.0 |
| 12 | O.Janssens | NETHERLANDS 1 | 14 | -0.64 | -9.0 |
| 13 | W.Boegem | NETHERLANDS 1 | 26 | -1.00 | -26.0 |
| 14 | N.Klaver | NETHERLANDS 1 | 2 | -1.50 | -3.0 |
| 15 | A.Jezioro | MARKOWICZ | 14 | -1.50 | -21.0 |
| 16 | J.Klukowski | MARKOWICZ | 14 | -1.50 | -21.0 |
| 17 | J.Sternberg | JEAN-MARSHA | 2 | +1.50 | +3.0 |
| 18 | V.Markowicz | MARKOWICZ | 24 | +0.50 | +12.0 |
| 19 | J.Zaremba | MARKOWICZ | 24 | +0.50 | +12.0 |
| 20 | A.Cokin | JEAN-MARSHA | 14 | +0.36 | +5.0 |
| 21 | J.Trouwborst | NETHERLANDS 1 | 24 | -0.12 | -3.0 |
| 22 | N.Doremans | NETHERLANDS 1 | 24 | -0.75 | -18.0 |
Opening-lead accuracy↑ top
How often a player’s opening lead held declarer to the same tricks as the best defensive lead double-dummy. Players with few boards are greyed. Click a column header to sort; filter by name or team.
| # | Player | Team | Leads | On target | Conceded |
|---|---|---|---|---|---|
| 1 | V.Melman | MARKOWICZ | 1 | 100.0% | 0.00 |
| 2 | W.Boegem | NETHERLANDS 1 | 2 | 100.0% | 0.00 |
| 3 | P.Sundelin | JEAN-MARSHA | 3 | 100.0% | 0.00 |
| 4 | R.Ramer | NETHERLANDS 1 | 5 | 100.0% | 0.00 |
| 5 | A.Jezioro | MARKOWICZ | 2 | 100.0% | 0.00 |
| 6 | J.Sutherlin | FINKEL | 2 | 100.0% | 0.00 |
| 7 | A.Fisher | JEAN-MARSHA | 10 | 80.0% | 0.20 |
| 8 | G.Kasle | FINKEL | 8 | 75.0% | 0.25 |
| 9 | J.Mohan | FINKEL | 7 | 71.4% | 0.29 |
| 10 | J.Schermer | JEAN-MARSHA | 6 | 66.7% | 0.33 |
| 11 | S.Zeligman | MARKOWICZ | 2 | 50.0% | 0.50 |
| 12 | J.Klukowski | MARKOWICZ | 2 | 50.0% | 0.50 |
| 13 | L.Finkel | FINKEL | 3 | 33.3% | 0.67 |
| 14 | O.Janssens | NETHERLANDS 1 | 1 | 0.0% | 1.00 |
| 15 | J.Zaremba | MARKOWICZ | 3 | 100.0% | 0.00 |
| 16 | N.Doremans | NETHERLANDS 1 | 4 | 100.0% | 0.00 |
| 17 | J.Trouwborst | NETHERLANDS 1 | 4 | 75.0% | 0.25 |
| 18 | V.Markowicz | MARKOWICZ | 2 | 50.0% | 1.00 |
| 19 | J.Sternberg | JEAN-MARSHA | 2 | 0.0% | 1.00 |
Declarer-play accuracy↑ top
How often declarer took at least the double-dummy makeable tricks after the actual opening lead — i.e. didn’t leave tricks on the table. Players with few boards are greyed. Click a column header to sort; filter by name or team.
| # | Player | Team | Contracts | On target | Conceded |
|---|---|---|---|---|---|
| 1 | V.Melman | MARKOWICZ | 2 | 100.0% | 0.00 |
| 2 | S.Zeligman | MARKOWICZ | 5 | 100.0% | 0.00 |
| 3 | P.Sundelin | JEAN-MARSHA | 2 | 100.0% | 0.00 |
| 4 | R.Ramer | NETHERLANDS 1 | 2 | 100.0% | 0.00 |
| 5 | G.Kasle | FINKEL | 4 | 100.0% | 0.00 |
| 6 | N.Chambers | JEAN-MARSHA | 5 | 100.0% | 0.00 |
| 7 | A.Fisher | JEAN-MARSHA | 8 | 87.5% | 0.12 |
| 8 | J.Sutherlin | FINKEL | 7 | 85.7% | 0.29 |
| 9 | J.Schermer | JEAN-MARSHA | 4 | 75.0% | 0.25 |
| 10 | W.Boegem | NETHERLANDS 1 | 3 | 66.7% | 0.33 |
| 11 | J.Klukowski | MARKOWICZ | 5 | 60.0% | 0.80 |
| 12 | A.Jezioro | MARKOWICZ | 2 | 50.0% | 0.50 |
| 13 | J.Mohan | FINKEL | 6 | 50.0% | 0.50 |
| 14 | L.Finkel | FINKEL | 2 | 0.0% | 1.00 |
| 15 | V.Markowicz | MARKOWICZ | 2 | 100.0% | 0.00 |
| 16 | J.Zaremba | MARKOWICZ | 1 | 100.0% | 0.00 |
| 17 | N.Doremans | NETHERLANDS 1 | 3 | 66.7% | 0.33 |
| 18 | J.Trouwborst | NETHERLANDS 1 | 6 | 66.7% | 0.33 |
Defensive accuracy↑ top
How often the defenders held declarer to the double-dummy makeable (or fewer) — charged to both defenders on the board. Players with few boards are greyed. Click a column header to sort; filter by name or team.
| # | Player | Team | Boards | On target | Conceded |
|---|---|---|---|---|---|
| 1 | A.Fisher | JEAN-MARSHA | 12 | 83.3% | 0.25 |
| 2 | P.Sundelin | JEAN-MARSHA | 11 | 81.8% | 0.27 |
| 3 | L.Finkel | FINKEL | 10 | 80.0% | 0.20 |
| 4 | J.Mohan | FINKEL | 10 | 80.0% | 0.20 |
| 5 | J.Schermer | JEAN-MARSHA | 7 | 71.4% | 0.29 |
| 6 | G.Kasle | FINKEL | 10 | 70.0% | 0.70 |
| 7 | J.Sutherlin | FINKEL | 10 | 70.0% | 0.70 |
| 8 | N.Chambers | JEAN-MARSHA | 3 | 66.7% | 0.33 |
| 9 | R.Ramer | NETHERLANDS 1 | 5 | 60.0% | 0.40 |
| 10 | W.Boegem | NETHERLANDS 1 | 5 | 60.0% | 0.60 |
| 11 | A.Jezioro | MARKOWICZ | 4 | 50.0% | 0.50 |
| 12 | J.Klukowski | MARKOWICZ | 4 | 50.0% | 0.50 |
| 13 | V.Melman | MARKOWICZ | 3 | 33.3% | 1.00 |
| 14 | S.Zeligman | MARKOWICZ | 3 | 33.3% | 1.00 |
| 15 | O.Janssens | NETHERLANDS 1 | 1 | 0.0% | 2.00 |
| 16 | V.Markowicz | MARKOWICZ | 5 | 100.0% | 0.00 |
| 17 | J.Zaremba | MARKOWICZ | 5 | 100.0% | 0.00 |
| 18 | N.Doremans | NETHERLANDS 1 | 10 | 90.0% | 0.10 |
| 19 | J.Trouwborst | NETHERLANDS 1 | 11 | 81.8% | 0.18 |
| 20 | A.Cokin | JEAN-MARSHA | 7 | 71.4% | 0.43 |
| 21 | J.Sternberg | JEAN-MARSHA | 2 | 50.0% | 1.00 |
Strength of schedule — opponent-adjusted Butler↑ top
On every board a player meets a specific opposing pair, and strong opponents defend and bid well — which quietly depresses your cross-IMP. Opp /bd is the mean cumulative Butler of the pairs faced, i.e. the strength of the draw (+ tough, − easy). Adj /bd adds it back — a tough draw is credited, an easy one discounted — and Δ is the resulting move against the raw Butler order. Regulars only (≥ 40% of the boards). Click a column header to sort; filter by name or team.
| # | Player | Team | Boards | Opp /bd | Raw /bd | Adj /bd | Δ |
|---|---|---|---|---|---|---|---|
| 1 | V.Melman | MARKOWICZ | 54 | -0.46 | +1.73 | +1.27 | · |
| 2 | S.Zeligman | MARKOWICZ | 54 | -0.46 | +1.73 | +1.27 | · |
| 3 | N.Klaver | NETHERLANDS 1 | 54 | -0.17 | +0.90 | +0.73 | ▲1 |
| 4 | O.Janssens | NETHERLANDS 1 | 54 | -0.26 | +0.99 | +0.73 | ▼1 |
| 5 | W.Boegem | NETHERLANDS 1 | 68 | -0.17 | +0.41 | +0.24 | · |
| 6 | P.Sundelin | JEAN-MARSHA | 70 | -0.15 | +0.36 | +0.21 | ▲1 |
| 7 | A.Fisher | JEAN-MARSHA | 70 | -0.15 | +0.36 | +0.20 | ▼1 |
| 8 | A.Jezioro | MARKOWICZ | 68 | -0.12 | +0.32 | +0.20 | ▲1 |
| 9 | J.Klukowski | MARKOWICZ | 68 | -0.12 | +0.32 | +0.20 | ▲1 |
| 10 | R.Ramer | NETHERLANDS 1 | 68 | -0.15 | +0.34 | +0.19 | ▼2 |
| 11 | G.Kasle | FINKEL | 82 | +0.30 | -0.16 | +0.14 | ▲3 |
| 12 | J.Sutherlin | FINKEL | 82 | +0.30 | -0.16 | +0.14 | ▲3 |
| 13 | L.Finkel | FINKEL | 82 | -0.07 | +0.17 | +0.10 | ▼2 |
| 14 | J.Mohan | FINKEL | 82 | -0.07 | +0.17 | +0.10 | ▼2 |
| 15 | J.Schermer | JEAN-MARSHA | 82 | -0.16 | -0.01 | -0.18 | ▼2 |
| 16 | N.Chambers | JEAN-MARSHA | 68 | -0.11 | -0.40 | -0.51 | · |