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Match Report for Bob Wachtel (North America)

Bob Wachtel

Bob Wachtel was born in New York City and grew up in New Jersey. He became a chess master at 16 and twice placed second in the United States Junior Championships. Bob received a B.S. in chemistry from Rutgers University in 1969 and a PhD in the philosophy of science from the University of Toronto in 1977.

Bob has won major tournaments in the United States, Great Britain, Italy, Sweden, Finland, Austria, France, Norway, and Switzerland. Among the highlights were wins at the 1st Backgammon Olympiad in Venice, 1992; both singles and doubles titles at the Worldwide Twin Championships, Las Vegas, 2001; and the "Dual Duel" title at the Texas Championships in San Antonio in 2016. Bob was runner-up in Monte Carlo, 2004 and in the Crown's Cup, Berlin, 2007.

Bob published "In the Game Until the End", a monograph on late-contact bearoffs, in 1993, and has authored more than 50 articles for online backgammon sites and journals since then. He has served as the senior editor of the US Backgammon Federation's flagship magazine, "PrimeTime Backgammon", since 2009. In 2014 he published "In the Game Until the End, Vol II", updating and expanding his earlier work.

Additional player info
Country: United States
BMAB registration number:00258
BMAB title:
Last 300 exp PR:3.2461
BMAB Experience Points:90
Last BMAB match:2023-06-07

Summary of Matches
Rating1,460.56
Experience155
Matches played17
Matches won7 (41.2%)
Number of distinct opponents13
Number of clubs played at2
Earliest match recorded2013-08-02
Latest match so far2023-06-07
Peak rating1,548.27
Peak rating (>400 exp.)n/a
Average opponent rating1,544.54

► Charts

[Graph of rating by experience] Match locationsNorth America: Matches: 13 (4 won, 9 lost) Experience: 119 (38 points won, 81 lost) Win rate: 30.77% Average opponent rating: 1,554.01 North America: Matches: 13 (4 won, 9 lost) Experience: 119 (38 points won, 81 lost) Win rate: 30.77% Average opponent rating: 1,554.01 Europe: Matches: 4 (3 won, 1 lost) Experience: 36 (25 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,513.77 Europe: Matches: 4 (3 won, 1 lost) Experience: 36 (25 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,513.77 win/loseNorth America: Matches: 13 (4 won, 9 lost) Experience: 119 (38 points won, 81 lost) Win rate: 30.77% Average opponent rating: 1,554.01 North America: Matches: 13 (4 won, 9 lost) Experience: 119 (38 points won, 81 lost) Win rate: 30.77% Average opponent rating: 1,554.01 North America (13) Europe: Matches: 4 (3 won, 1 lost) Experience: 36 (25 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,513.77 Europe: Matches: 4 (3 won, 1 lost) Experience: 36 (25 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,513.77 Europe (4) Match lengths5-point: Matches: 2 (1 won, 1 lost) Experience: 10 (5 points won, 5 lost) Win rate: 50.00% Average opponent rating: 1,639.09 5-point: Matches: 2 (1 won, 1 lost) Experience: 10 (5 points won, 5 lost) Win rate: 50.00% Average opponent rating: 1,639.09 7-point: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.85 7-point: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.85 9-point: Matches: 8 (4 won, 4 lost) Experience: 72 (36 points won, 36 lost) Win rate: 50.00% Average opponent rating: 1,522.49 9-point: Matches: 8 (4 won, 4 lost) Experience: 72 (36 points won, 36 lost) Win rate: 50.00% Average opponent rating: 1,522.49 11-point: Matches: 6 (2 won, 4 lost) Experience: 66 (22 points won, 44 lost) Win rate: 33.33% Average opponent rating: 1,537.87 11-point: Matches: 6 (2 won, 4 lost) Experience: 66 (22 points won, 44 lost) Win rate: 33.33% Average opponent rating: 1,537.87 win/lose5-point: Matches: 2 (1 won, 1 lost) Experience: 10 (5 points won, 5 lost) Win rate: 50.00% Average opponent rating: 1,639.09 5-point: Matches: 2 (1 won, 1 lost) Experience: 10 (5 points won, 5 lost) Win rate: 50.00% Average opponent rating: 1,639.09 5-point (2) 7-point: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.85 7-point: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.85 7-point (1) 9-point: Matches: 8 (4 won, 4 lost) Experience: 72 (36 points won, 36 lost) Win rate: 50.00% Average opponent rating: 1,522.49 9-point: Matches: 8 (4 won, 4 lost) Experience: 72 (36 points won, 36 lost) Win rate: 50.00% Average opponent rating: 1,522.49 9-point (8) 11-point: Matches: 6 (2 won, 4 lost) Experience: 66 (22 points won, 44 lost) Win rate: 33.33% Average opponent rating: 1,537.87 11-point: Matches: 6 (2 won, 4 lost) Experience: 66 (22 points won, 44 lost) Win rate: 33.33% Average opponent rating: 1,537.87 11-point (6) Matches by opponent rating02468101214161820<100010501000-11001050-11501100-12001150-12501200-13001250-13501300-14001350-1350-1400: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00%1350-1400: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00%14501400-1400-1450: Matches: 2 (1 won, 1 lost) Experience: 18 (9 points won, 9 lost) Win rate: 50.00%1400-1450: Matches: 2 (1 won, 1 lost) Experience: 18 (9 points won, 9 lost) Win rate: 50.00%15001450-1450-1500: Matches: 3 (1 won, 2 lost) Experience: 33 (11 points won, 22 lost) Win rate: 33.33%1450-1500: Matches: 3 (1 won, 2 lost) Experience: 33 (11 points won, 22 lost) Win rate: 33.33%15501500-1500-1550: Matches: 2 (2 won, 0 lost) Experience: 18 (18 points won, 0 lost) Win rate: 100.00%1500-1550: Matches: 2 (2 won, 0 lost) Experience: 18 (18 points won, 0 lost) Win rate: 100.00%16001550-1550-1600: Matches: 2 (1 won, 1 lost) Experience: 18 (11 points won, 7 lost) Win rate: 50.00%1550-1600: Matches: 2 (1 won, 1 lost) Experience: 18 (11 points won, 7 lost) Win rate: 50.00%16501600-1600-1650: Matches: 7 (1 won, 6 lost) Experience: 59 (5 points won, 54 lost) Win rate: 14.29%1600-1650: Matches: 7 (1 won, 6 lost) Experience: 59 (5 points won, 54 lost) Win rate: 14.29%17001650-17501700-18001750-18501800-19001850-1900+ ←1,460.56 When matches were playedFebruary: Matches: 8 (2 won, 6 lost) Experience: 78 (22 points won, 56 lost) Win rate: 25.00% Average opponent rating: 1,538.88 February: Matches: 8 (2 won, 6 lost) Experience: 78 (22 points won, 56 lost) Win rate: 25.00% Average opponent rating: 1,538.88 June: Matches: 5 (2 won, 3 lost) Experience: 43 (18 points won, 25 lost) Win rate: 40.00% Average opponent rating: 1,560.79 June: Matches: 5 (2 won, 3 lost) Experience: 43 (18 points won, 25 lost) Win rate: 40.00% Average opponent rating: 1,560.79 August: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.77 August: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.77 September: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,508.04 September: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,508.04 October: Matches: 1 (1 won, 0 lost) Experience: 5 (5 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,645.26 October: Matches: 1 (1 won, 0 lost) Experience: 5 (5 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,645.26 December: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.11 December: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.11 February: Matches: 8 (2 won, 6 lost) Experience: 78 (22 points won, 56 lost) Win rate: 25.00% Average opponent rating: 1,538.88 February: Matches: 8 (2 won, 6 lost) Experience: 78 (22 points won, 56 lost) Win rate: 25.00% Average opponent rating: 1,538.88 Feb June: Matches: 5 (2 won, 3 lost) Experience: 43 (18 points won, 25 lost) Win rate: 40.00% Average opponent rating: 1,560.79 June: Matches: 5 (2 won, 3 lost) Experience: 43 (18 points won, 25 lost) Win rate: 40.00% Average opponent rating: 1,560.79 Jun August: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.77 August: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.77 Aug September: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,508.04 September: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,508.04 Sep October: Matches: 1 (1 won, 0 lost) Experience: 5 (5 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,645.26 October: Matches: 1 (1 won, 0 lost) Experience: 5 (5 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,645.26 Oct December: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.11 December: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.11 Dec 02468101214161820201220132013: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.772013: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,387.77201420152015: Matches: 1 (0 won, 1 lost) Experience: 9 (0 points won, 9 lost) Win rate: 0.00% Average opponent rating: 1,424.012015: Matches: 1 (0 won, 1 lost) Experience: 9 (0 points won, 9 lost) Win rate: 0.00% Average opponent rating: 1,424.0120162016: Matches: 4 (3 won, 1 lost) Experience: 42 (31 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,506.362016: Matches: 4 (3 won, 1 lost) Experience: 42 (31 points won, 11 lost) Win rate: 75.00% Average opponent rating: 1,506.3620172017: Matches: 5 (1 won, 4 lost) Experience: 41 (5 points won, 36 lost) Win rate: 20.00% Average opponent rating: 1,602.982017: Matches: 5 (1 won, 4 lost) Experience: 41 (5 points won, 36 lost) Win rate: 20.00% Average opponent rating: 1,602.98201820192019: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.112019: Matches: 1 (0 won, 1 lost) Experience: 11 (0 points won, 11 lost) Win rate: 0.00% Average opponent rating: 1,601.112020202120222022: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.852022: Matches: 1 (0 won, 1 lost) Experience: 7 (0 points won, 7 lost) Win rate: 0.00% Average opponent rating: 1,571.8520232023: Matches: 4 (2 won, 2 lost) Experience: 36 (18 points won, 18 lost) Win rate: 50.00% Average opponent rating: 1,558.022023: Matches: 4 (2 won, 2 lost) Experience: 36 (18 points won, 18 lost) Win rate: 50.00% Average opponent rating: 1,558.02

► Match history

RecordedVenueOpponentScorePRBMAB EPNew ratingExp.
 1,500.000

▼ Season 2013

▼ Season 2015

view/edit 2015-02-01North AmericaNeil Kazaross - 9 3.4401,489.7518

▼ Season 2016

view/edit 2016-02-04North AmericaPetko Kostadinov 11 - 1.1301,522.0629
view/edit 2016-02-12EuropeMichael Larsen - 11 2.8801,487.1040
view/edit 2016-02-12EuropeJacek Wojciechowski 11 - 2.4101,521.9851
view/edit 2016-09-23North AmericaSteve Sax 9 - 3.5501,548.2760

▼ Season 2017

view/edit 2017-02-03North AmericaAlfred Mamlet - 11 3.37111,514.7271
view/edit 2017-02-04North AmericaMasayuki Mochizuki - 11 3.08221,492.9182
view/edit 2017-02-05North AmericaVictor Ashkenazi - 9 4.08311,473.5891
view/edit 2017-02-05North AmericaNeil Kazaross - 5 3.73361,458.9996
view/edit 2017-10-30EuropeTim Cross 5 - 3.18361,481.31101

▼ Season 2019

view/edit 2019-12-06North AmericaNeil Kazaross - 11 2.09471,460.79112

▼ Season 2022

view/edit 2022-06-09North AmericaMarty Storer - 7 3.39541,443.70119

▼ Season 2023

view/edit 2023-06-07North AmericaNeil Kazaross - 9 3.40631,427.80128
view/edit 2023-06-07North AmericaMarty Storer - 9 2.11721,412.97137
view/edit 2023-06-07North AmericaLynda Clay 9 - 2.51811,439.74146
view/edit 2023-06-07North AmericaTony Diamantidis 9 - 5.52901,460.56155
Head to head Show only matches in which Bob Wachtel played against: