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.

#PlayerTeamBoards/boardTotal
1P.SundelinJEAN-MARSHA24+1.00+24.0
2J.SchermerJEAN-MARSHA26+0.58+15.0
3G.KasleFINKEL26+0.54+14.0
4J.SutherlinFINKEL26+0.54+14.0
5A.FisherJEAN-MARSHA24+0.38+9.0
6V.MelmanMARKOWICZ14+0.07+1.0
7S.ZeligmanMARKOWICZ14+0.07+1.0
8L.FinkelFINKEL26-0.04-1.0
9J.MohanFINKEL26-0.04-1.0
10N.ChambersJEAN-MARSHA14-0.14-2.0
11R.RamerNETHERLANDS 114-0.36-5.0
12O.JanssensNETHERLANDS 114-0.64-9.0
13W.BoegemNETHERLANDS 126-1.00-26.0
14N.KlaverNETHERLANDS 12-1.50-3.0
15A.JezioroMARKOWICZ14-1.50-21.0
16J.KlukowskiMARKOWICZ14-1.50-21.0
17J.SternbergJEAN-MARSHA2+1.50+3.0
18V.MarkowiczMARKOWICZ24+0.50+12.0
19J.ZarembaMARKOWICZ24+0.50+12.0
20A.CokinJEAN-MARSHA14+0.36+5.0
21J.TrouwborstNETHERLANDS 124-0.12-3.0
22N.DoremansNETHERLANDS 124-0.75-18.0

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.

#PlayerTeamLeadsOn targetConceded
1V.MelmanMARKOWICZ1100.0%0.00
2W.BoegemNETHERLANDS 12100.0%0.00
3P.SundelinJEAN-MARSHA3100.0%0.00
4R.RamerNETHERLANDS 15100.0%0.00
5A.JezioroMARKOWICZ2100.0%0.00
6J.SutherlinFINKEL2100.0%0.00
7A.FisherJEAN-MARSHA1080.0%0.20
8G.KasleFINKEL875.0%0.25
9J.MohanFINKEL771.4%0.29
10J.SchermerJEAN-MARSHA666.7%0.33
11S.ZeligmanMARKOWICZ250.0%0.50
12J.KlukowskiMARKOWICZ250.0%0.50
13L.FinkelFINKEL333.3%0.67
14O.JanssensNETHERLANDS 110.0%1.00
15J.ZarembaMARKOWICZ3100.0%0.00
16N.DoremansNETHERLANDS 14100.0%0.00
17J.TrouwborstNETHERLANDS 1475.0%0.25
18V.MarkowiczMARKOWICZ250.0%1.00
19J.SternbergJEAN-MARSHA20.0%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.

#PlayerTeamContractsOn targetConceded
1V.MelmanMARKOWICZ2100.0%0.00
2S.ZeligmanMARKOWICZ5100.0%0.00
3P.SundelinJEAN-MARSHA2100.0%0.00
4R.RamerNETHERLANDS 12100.0%0.00
5G.KasleFINKEL4100.0%0.00
6N.ChambersJEAN-MARSHA5100.0%0.00
7A.FisherJEAN-MARSHA887.5%0.12
8J.SutherlinFINKEL785.7%0.29
9J.SchermerJEAN-MARSHA475.0%0.25
10W.BoegemNETHERLANDS 1366.7%0.33
11J.KlukowskiMARKOWICZ560.0%0.80
12A.JezioroMARKOWICZ250.0%0.50
13J.MohanFINKEL650.0%0.50
14L.FinkelFINKEL20.0%1.00
15V.MarkowiczMARKOWICZ2100.0%0.00
16J.ZarembaMARKOWICZ1100.0%0.00
17N.DoremansNETHERLANDS 1366.7%0.33
18J.TrouwborstNETHERLANDS 1666.7%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.

#PlayerTeamBoardsOn targetConceded
1A.FisherJEAN-MARSHA1283.3%0.25
2P.SundelinJEAN-MARSHA1181.8%0.27
3L.FinkelFINKEL1080.0%0.20
4J.MohanFINKEL1080.0%0.20
5J.SchermerJEAN-MARSHA771.4%0.29
6G.KasleFINKEL1070.0%0.70
7J.SutherlinFINKEL1070.0%0.70
8N.ChambersJEAN-MARSHA366.7%0.33
9R.RamerNETHERLANDS 1560.0%0.40
10W.BoegemNETHERLANDS 1560.0%0.60
11A.JezioroMARKOWICZ450.0%0.50
12J.KlukowskiMARKOWICZ450.0%0.50
13V.MelmanMARKOWICZ333.3%1.00
14S.ZeligmanMARKOWICZ333.3%1.00
15O.JanssensNETHERLANDS 110.0%2.00
16V.MarkowiczMARKOWICZ5100.0%0.00
17J.ZarembaMARKOWICZ5100.0%0.00
18N.DoremansNETHERLANDS 11090.0%0.10
19J.TrouwborstNETHERLANDS 11181.8%0.18
20A.CokinJEAN-MARSHA771.4%0.43
21J.SternbergJEAN-MARSHA250.0%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.

#PlayerTeamBoardsOpp /bdRaw /bdAdj /bdΔ
1V.MelmanMARKOWICZ54-0.46+1.73+1.27·
2S.ZeligmanMARKOWICZ54-0.46+1.73+1.27·
3N.KlaverNETHERLANDS 154-0.17+0.90+0.73▲1
4O.JanssensNETHERLANDS 154-0.26+0.99+0.73▼1
5W.BoegemNETHERLANDS 168-0.17+0.41+0.24·
6P.SundelinJEAN-MARSHA70-0.15+0.36+0.21▲1
7A.FisherJEAN-MARSHA70-0.15+0.36+0.20▼1
8A.JezioroMARKOWICZ68-0.12+0.32+0.20▲1
9J.KlukowskiMARKOWICZ68-0.12+0.32+0.20▲1
10R.RamerNETHERLANDS 168-0.15+0.34+0.19▼2
11G.KasleFINKEL82+0.30-0.16+0.14▲3
12J.SutherlinFINKEL82+0.30-0.16+0.14▲3
13L.FinkelFINKEL82-0.07+0.17+0.10▼2
14J.MohanFINKEL82-0.07+0.17+0.10▼2
15J.SchermerJEAN-MARSHA82-0.16-0.01-0.18▼2
16N.ChambersJEAN-MARSHA68-0.11-0.40-0.51·