Opening lead double dummy accuracy rate (DDOLAR) statistics

This is the double dummy opening lead accuracy rate (DDOLAR) for players from different types of events. The data was generated by Bridgescore+.


ACBL tournaments (speedballs/regionals). Mid March-mid December, 2020.

2,000 total boards played by partnerships as cut off. Note this is not the number of leads.

Approximately 2,300 pairs, 4,600 players. Top 50 pairs for the Double Dummy Opening Lead Accuracy Rate (DDOLAR).

BBO names are case-insensitive and may contain spaces. For presentation purposes, names have been capitalized and all spaces replaced with an underscore.

Rank Names Number of
leads
DDOLAR
1ALLANBW - ZINGERZ191,04688.91%
2Names removed1,34688.11%
3Names removed1,23388.08%
4Names removed1,03387.90%
5Names removed1,29487.48%
6Names removed2,14687.33%
7Names removed2,63087.03%
8Names removed1,59787.04%
9Names removed2,37086.84%
10Names removed1,26786.82%
11Names removed1,69686.73%
12Names removed1,07786.63%
13Names removed1,30186.55%
14Names removed1,28186.49%
15Names removed2,04986.38%
16Names removed1,18286.13%
17Names removed2,52086.11%
18Names removed3,03086.11%
19Names removed1,23186.11%
20Names removed2,18686.09%
21Names removed1,17486.03%
22LN - RKK1,11385.89%
23Names removed1,40685.78%
24Names removed3,78485.76%
25Names removed2,37985.71%
26MAXTALENT1 - NONS561,37185.70%
27Names removed1,70485.68%
28Names removed6,61985.65%
29Names removed2,92385.63%
30Names removed1,03585.60%
31Names removed1,10385.49%
32Names removed1,53985.38%
33Names removed2,47185.35%
34Names removed4,23985.33%
35Names removed2,08385.26%
36Names removed1,03885.26%
37Names removed1,04585.26%
38Names removed3,30285.16%
39Names removed1,22085.16%
40Names removed1,21285.15%
41SAMZEINE - ZAK101,30785.08%
42Names removed1,53185.04%
43Names removed1,89085.03%
44Names removed1,34085.00%
45Names removed1,20484.97%
46Names removed1,25584.94%
47Names removed1,13084.87%
48Names removed>1,36984.81%
49Names removed1,91484.80%
50Names removed2,03284.74%

Pairs in red have one or more players that have been suspended by ACBL.


Virtual ACBL clubs. Mid March-mid December, 2020.

2,000 total boards played by partnerships as cut off. Note this is not the number of leads.

Approximately 550 pairs, 1,110 players. Top 10 pairs for the Double Dummy Opening Lead Accuracy Rate (DDOLAR).

BBO names are case-insensitive and may contain spaces. For presentation purposes, names have been capitalized and all spaces replaced with an underscore.

Rank Names Number of
leads
DDOLAR
1DGORDON123 - ROZGORDON1,19586.11%
2HERSHEY5 - TBABBITT92285.79%
3BCEXPLORER - TTIVAL95585.55%
4DONNAPAR - GCARAVELLI1,26185.09%
5CDRIELY - TRIELY1,11585.02%
6ALJOS1 - BLJ411,35084.81%
7BILLJENSEN - DONNA171077784.81%
8ADWILLIAMS - SPWILLIAMS78284.78%
9GULLI1958 - IMAREADER1,00884.33%
10JANHENRY72 - RJWHENRY85484.07%


Top level face-to-face (FTF) tournaments, 1955-2020.

1,000 total boards played by partnerships as cut off. Note this is not the number of leads.

Approximately 33 pairs, 66 players for Double Dummy Opening Lead Accuracy Rate (DDOLAR).

Rank Names Number of
leads
DDOLAR
1Jean-Christophe Quantin - Marc Bompis56485.82%
2Jacek Pzszcola - Michal Kwiecien54684.43%
3Alexander Smirnov - Josef Piekarek1,28284.01%
4Boguslaw Gierulski - Jerzy Skrzypczak63483.91%
5Chip Martel - Marty Fleisher96083.65%
6Boye Brogeland - Erik Saelensminde63683.65%
7Hemant Lall - Reese Milner58583.42%
8Geir Helgemo - Tor Helness3,08782.83%
9Agustin Madala - Norberto Bocchi1,66082.83%
10Giorgio Duboin - Norberto Bocchi2,00482.78%
11Entscho Wladow - Michael Elinescu78082.56%
12Michal Klukowski - Piotr Gawrys1,43282.54%
13Cedric Lorenzini - Jean-Christophe Quantin61582.44%
14Bobby Wolff - Bob Hamman54482.35%
15Lotan Fisher - Ron Schwartz68382.14%
16Frank Multon - Pierre Zimmermann1,41682.06%
17Eddy Manoppo - Henky Lasut64281.93%
18Gavin Wolpert - John Kranyak52681.94%
19Joel Wooldridge - John Hurd1,47981.74%
20Heather Dhondy - Nevena Senior73281.69%
21Alon Birman - Dror Padon76181.60%
22Howie Weinstein - Steve Garner91281.58%
23Marc Jacobus - Mike Passell64881.48%
24Tarek Sadek - Waleed El-Ahmady56781.48%
25Alexander Dubinin - Andrey Gromov1,50881.43%
26Justin Lall - Kevin Bathurst96981.42%
27Andrew Robson - Tony Forrester71881.34%
28Eric Rodwell - Jeff Meckstroth4,72681.32%
29Chris Willenken - Eldad Ginossar53581.31%
30Bas Drijver - Sjoert Brink2,58081.28%
31Diyan Danailov - Jerry Stamatov71081.27%
32Bart Nab - Bob Drijver66781.26%
33Alexander Allfrey - Andrew Robson43681.19%
34Chip Martel - Lew Stansby1,29081.16%
35Alan Sontag - David Berkowitz98781.16%
36Jon Baldursson - Thorlakur Jonsson50481.15%
37Claudio Nunes - Fulvio Fantoni3,19481.09%
38Huub Bertens - Ton Bakkeren69881.09%
39David Berkowitz - Larry Cohen77681.06%
40Fredrik Nystrom - Johan Upmark1,57281.04%
41Benedicte Cronier - Sylvie Willard95581.05%
42Alfredo Versace - Lorenzo Lauria4,10581.02%
43Grzegorz Narkiewicz - Krzysztof Buras1,18980.99%
44John Schermer - Neil Chambers1,31780.94%
45Peter Boyd - Steve Robinson1,08480.90%
46Bobby Levin - Steve Weinstein2,84880.90%
47Adam Zmudzinski - Cezary Balicki2,03580.84%
48Marty Fleisher - Mike Kamil67280.80%
49Louk Verhees - Ricco Van Prooijen1,55880.68%
50Dick Freeman - Nick Nickell99980.68%
51Bauke Muller - Simon De Wijs2,44380.56%
52Bart Bramley - Lew Stansby55580.54%
53Bob Hamman - Zia Mahmood86080.47%
54Roy Welland - Sabine Auken96980.39%
55Antonio Sementa - Giorgio Duboin1,63980.35%
56Beth Palmer - Lynn Deas56980.32%
57Bob Hamman - Paul Soloway81080.12%
58Boye Brogeland - Espen Lindqvist1,40080.00%
59Michael Rosenberg - Zia Mahmood1,12979.98%
60Brian Platnick - John Diamond1,70879.92%
61Chris Willenken - Michael Rosenberg71279.92%
62Nick Nickell - Ralph Katz1,43379.83%
63Jouri Khiouppenen - Vadim Kholomeev58079.83%
64Apolinary Kowalski - Jacek Romanski57979.79%
65Eric Greco - Geoff Hampson2,45679.72%
66Dennis Bilde - Giorgio Duboin66679.73%
67Brad Moss - Fred Gitelman1,14379.70%
68Sabine Auken - Daniela Von Arnim53179.66%
69David Bakhshi - David Gold74179.62%
70Antonio Sementa - Norberto Bocchi77579.61%
71Bjorn Fallenius - Peter Fredin66279.61%
72Jacek Kalita - Michal Nowosadzki1,48879.50%
73Fredrik Nystrom - Peter Bertheau75679.50%
74Frederic Volcker - Thomas Bessis81479.48%
75Michel Bessis - Thomas Bessis46379.48%
76Alain Levy - Herve Mouiel54879.38%
77Magnus Lindkvist - Peter Fredin46479.31%
78Fred Stewart - Kit Woolsey99879.26%
79Brad Moss - Joe Grue1,17579.23%
80John Carroll - Tommy Garvey77879.18%
81Frederic Wrang - Johan Sylvan70679.18%
82Jason Hackett - Justin Hackett83878.88%
83David Gold - Tom Townsend65278.83%
84Nicola Smith - Sally Brock56978.73%
85John Kranyak - Vince Demuy89978.64%
86Hugh Mcgann - Tom Hanlon90278.16%
87Agustin Madala - Alejandro Bianchedi51677.91%
88Ilan Herbst - Ophir Herbst50777.51%

BBO ACBL Games - partnerships - 4,000+ leads - through December 31, 2020

The cut-off is 4,000 leads. There are 41 pairs. There are 7 pairs above 82%.

BBO ACBL Games - partnerships - 5,000 total boards cut off through November 30, 2020

The cut-off is 5,000 total boards played (i.e. about 2,500 on lead). There are 178 pairs. There are 21 pairs above 82%. 8 of the top 21 pairs were in the Bridgewinners anonymized data experiment and BW volunteers determined they were cheating. Two of the 21 pairs are known to be married couples.

The following data is up through September 2020. The cut-off is 1,000 total boards played (i.e. about 500 on lead). Data is shown for partnerships, and for individual players.

BBO ACBL Games - partnerships - 1,000 total boards cut off

BBO ACBL Games - players

BBO Virtual ACBL Games - partnerships

BBO Virtual ACBL Games - players

World class events (1955-2020) - partnerships

World class events (1955-2020) - players