Poznan 2025 — 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
1M.BartkowskiT3M112+1.49+167.0
2M.WitekT3M112+1.49+167.0
3K.Martens11JASZCZAK126+1.25+157.0
4M.Szymanowski11JASZCZAK154+0.82+127.0
5W.GosschalkDUTCH SENIORS112+0.47+53.0
6W.Van EijckDUTCH SENIORS112+0.47+53.0
7D.SchaltzDENMARK168+0.11+18.0
8P.SchaltzDENMARK168+0.11+18.0
9A.Kowalski11JASZCZAK154-0.03-5.0
10P.Tuszynski11JASZCZAK154-0.03-5.0
11J.HansenDENMARK168-0.26-44.0
12S.SchouDENMARK168-0.26-44.0
13J.KolenDUTCH SENIORS112-0.54-60.0
14J.VerheesDUTCH SENIORS112-0.54-60.0
15T.SielickiT3M112-1.17-131.0
16M.WojcickiT3M112-1.17-131.0
17M.BompisZIMMERMANN28+1.21+34.0
18P.ZimmermannZIMMERMANN28+1.21+34.0
19S.JohnsenNORWEGIANS56+1.18+66.0
20A.StokkelandNORWEGIANS56+1.18+66.0
21L.OhryskoSREBRNE LISY42+0.60+25.0
22S.ZawislakSREBRNE LISY42+0.60+25.0
23A.CoriatVINCIGUERRA56+0.48+27.0
24M.LebelVINCIGUERRA56+0.48+27.0
25M.AbecassisZIMMERMANN42-0.60-25.0
26A.LevyZIMMERMANN42-0.60-25.0
27M.KwiecienZIMMERMANN42-0.98-41.0
28W.StarkowskiZIMMERMANN42-0.98-41.0
29A.Jaszczak11JASZCZAK28-1.07-30.0
30P.SouletVINCIGUERRA56-1.16-65.0
31H.VinciguerraVINCIGUERRA56-1.16-65.0
32T.BakkeNORWEGIANS56-1.21-68.0
33S.BjerksetNORWEGIANS56-1.21-68.0
34R.GrzelakSREBRNE LISY14-1.71-24.0
35A.PawlakSREBRNE LISY14-1.71-24.0
36J.LesniczakSREBRNE LISY28-1.93-54.0
37P.WalczakSREBRNE LISY28-1.93-54.0

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
1M.WojcickiT3M7100.0%0.00
2K.Martens11JASZCZAK2792.6%0.07
3J.HansenDENMARK887.5%0.12
4J.KolenDUTCH SENIORS2286.4%0.27
5J.VerheesDUTCH SENIORS2885.7%0.21
6P.SchaltzDENMARK4085.0%0.17
7M.BartkowskiT3M1384.6%0.15
8M.WitekT3M1782.4%0.18
9T.SielickiT3M1978.9%0.21
10A.Kowalski11JASZCZAK1478.6%0.21
11M.Szymanowski11JASZCZAK2777.8%0.26
12P.Tuszynski11JASZCZAK1275.0%0.42
13D.SchaltzDENMARK3167.7%0.39
14S.SchouDENMARK862.5%0.50
15L.OhryskoSREBRNE LISY1100.0%0.00
16M.KwiecienZIMMERMANN2100.0%0.00
17A.Jaszczak11JASZCZAK1100.0%0.00
18S.JohnsenNORWEGIANS988.9%0.11
19P.WalczakSREBRNE LISY988.9%0.11
20H.VinciguerraVINCIGUERRA1485.7%0.14
21A.StokkelandNORWEGIANS2281.8%0.18
22A.LevyZIMMERMANN1376.9%0.31
23J.LesniczakSREBRNE LISY475.0%0.25
24S.ZawislakSREBRNE LISY1070.0%0.30
25M.AbecassisZIMMERMANN666.7%0.33
26P.SouletVINCIGUERRA966.7%0.44
27W.StarkowskiZIMMERMANN560.0%0.80

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
1M.BartkowskiT3M887.5%0.12
2P.SchaltzDENMARK2684.6%0.15
3D.SchaltzDENMARK2982.8%0.24
4M.Szymanowski11JASZCZAK2781.5%0.18
5J.KolenDUTCH SENIORS4278.6%0.24
6S.SchouDENMARK977.8%0.22
7A.Kowalski11JASZCZAK1376.9%0.31
8P.Tuszynski11JASZCZAK1776.5%0.23
9J.HansenDENMARK1770.6%0.35
10K.Martens11JASZCZAK1369.2%0.46
11M.WitekT3M1866.7%0.33
12J.VerheesDUTCH SENIORS2065.0%0.35
13T.SielickiT3M1361.5%0.54
14M.WojcickiT3M1752.9%0.59
15M.AbecassisZIMMERMANN14100.0%0.00
16M.KwiecienZIMMERMANN3100.0%0.00
17A.Jaszczak11JASZCZAK3100.0%0.00
18P.SouletVINCIGUERRA1894.4%0.06
19J.LesniczakSREBRNE LISY1190.9%0.09
20A.StokkelandNORWEGIANS1485.7%0.36
21H.VinciguerraVINCIGUERRA1573.3%0.27
22L.OhryskoSREBRNE LISY366.7%0.33
23A.LevyZIMMERMANN955.6%0.56
24S.JohnsenNORWEGIANS1154.5%0.55
25W.StarkowskiZIMMERMANN450.0%0.50
26P.WalczakSREBRNE LISY425.0%0.75

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
1J.HansenDENMARK1693.8%0.12
2S.SchouDENMARK1693.8%0.12
3A.Kowalski11JASZCZAK2692.3%0.08
4P.Tuszynski11JASZCZAK2692.3%0.08
5M.Szymanowski11JASZCZAK5590.9%0.09
6K.Martens11JASZCZAK5190.2%0.10
7T.SielickiT3M2688.5%0.15
8M.WojcickiT3M2688.5%0.15
9D.SchaltzDENMARK7187.3%0.13
10P.SchaltzDENMARK7187.3%0.13
11M.BartkowskiT3M3086.7%0.13
12M.WitekT3M3086.7%0.13
13J.KolenDUTCH SENIORS5086.0%0.16
14J.VerheesDUTCH SENIORS5086.0%0.16
15A.Jaszczak11JASZCZAK4100.0%0.00
16M.KwiecienZIMMERMANN785.7%0.29
17W.StarkowskiZIMMERMANN785.7%0.29
18M.AbecassisZIMMERMANN1984.2%0.16
19A.LevyZIMMERMANN1984.2%0.16
20P.SouletVINCIGUERRA2382.6%0.17
21H.VinciguerraVINCIGUERRA2382.6%0.17
22S.JohnsenNORWEGIANS3177.4%0.26
23A.StokkelandNORWEGIANS3177.4%0.26
24J.LesniczakSREBRNE LISY1376.9%0.31
25P.WalczakSREBRNE LISY1376.9%0.31
26L.OhryskoSREBRNE LISY1172.7%0.27
27S.ZawislakSREBRNE LISY1172.7%0.27

Bidding activity↑ top

Share of a player’s bids that were not a pass — contract bids, doubles and redoubles, over every auction they sat in. High = active, low = quiet. Players with few boards are greyed. Click a column header to sort; filter by name or team.

#PlayerTeamBidsNot passActive %
1M.WojcickiT3M29715050.5%
2J.KolenDUTCH SENIORS30215049.7%
3T.SielickiT3M30214949.3%
4W.GosschalkDUTCH SENIORS31614846.8%
5P.Tuszynski11JASZCZAK41118745.5%
6J.VerheesDUTCH SENIORS30813543.8%
7P.SchaltzDENMARK47220543.4%
8S.SchouDENMARK46019742.8%
9A.Kowalski11JASZCZAK41417542.3%
10M.BartkowskiT3M27911842.3%
11D.SchaltzDENMARK47520042.1%
12J.HansenDENMARK46619642.1%
13M.Szymanowski11JASZCZAK41517141.2%
14W.Van EijckDUTCH SENIORS32113241.1%
15M.WitekT3M28210938.7%
16K.Martens11JASZCZAK34412937.5%
17A.PawlakSREBRNE LISY342058.8%
18M.KwiecienZIMMERMANN1125851.8%
19J.LesniczakSREBRNE LISY834048.2%
20P.WalczakSREBRNE LISY803847.5%
21R.GrzelakSREBRNE LISY351645.7%
22A.Jaszczak11JASZCZAK753445.3%
23W.StarkowskiZIMMERMANN1134943.4%
24S.JohnsenNORWEGIANS1566742.9%
25A.StokkelandNORWEGIANS1546642.9%
26S.BjerksetNORWEGIANS1546642.9%
27M.AbecassisZIMMERMANN1034341.7%
28T.BakkeNORWEGIANS1606540.6%
29P.SouletVINCIGUERRA1616339.1%
30H.VinciguerraVINCIGUERRA1596239.0%
31M.BompisZIMMERMANN722737.5%
32A.LevyZIMMERMANN1033836.9%
33A.CoriatVINCIGUERRA1495436.2%
34M.LebelVINCIGUERRA1465235.6%
35L.OhryskoSREBRNE LISY1053634.3%
36S.ZawislakSREBRNE LISY1113329.7%
37P.ZimmermannZIMMERMANN722129.2%

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
1M.BartkowskiT3M112+0.15+0.76+0.91▲1
2M.WitekT3M112+0.15+0.76+0.91▲1
3K.Martens11JASZCZAK126-0.39+1.26+0.87▼2
4M.Szymanowski11JASZCZAK154-0.35+0.71+0.36·
5A.Kowalski11JASZCZAK154-0.14+0.46+0.31·
6P.Tuszynski11JASZCZAK154-0.14+0.46+0.31·
7J.HansenDENMARK168+0.14+0.11+0.24▲2
8S.SchouDENMARK168+0.14+0.11+0.24▲2
9J.KolenDUTCH SENIORS112-0.05+0.29+0.23▼2
10J.VerheesDUTCH SENIORS112-0.05+0.29+0.23▼2
11D.SchaltzDENMARK168+0.20-0.55-0.35▲2
12P.SchaltzDENMARK168+0.20-0.55-0.35▲2
13T.SielickiT3M112+0.24-0.70-0.46▲2
14M.WojcickiT3M112+0.24-0.70-0.46▲2
15W.GosschalkDUTCH SENIORS112-0.27-0.40-0.67▼4
16W.Van EijckDUTCH SENIORS112-0.27-0.40-0.67▼4