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Match Report for Bob Wachtel

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
BMAB Title:Grandmaster G2

Summary of Matches
Rating1,641.66
Experience2215
Number of matches recorded187
Number of analysed matches187
PR across analysed matches - overall3.9850 (World Class)
PR across analysed matches - moves3.5012 (World Class)
PR across analysed matches - cube6.5685 (Expert)
Opponent PR across analysed matches (overall)6.1516 (Expert)
Matches won105 (56.1%)
Number of distinct opponents156
Number of clubs played at1
Earliest match recorded2019-04-20
Latest match so far2025-07-11
Peak rating1,700.87
Peak rating (>400 exp.)1,672.69
Average opponent rating1,582.36

► Charts

[Graph of rating by experience] Match locationsWBIF: Matches: 187 (105 won, 82 lost) Experience: 2215 (1233 points won, 982 lost) Win rate: 56.15% Average opponent rating: 1,582.36 WBIF: Matches: 187 (105 won, 82 lost) Experience: 2215 (1233 points won, 982 lost) Win rate: 56.15% Average opponent rating: 1,582.36 win/loseWBIF: Matches: 187 (105 won, 82 lost) Experience: 2215 (1233 points won, 982 lost) Win rate: 56.15% Average opponent rating: 1,582.36 WBIF: Matches: 187 (105 won, 82 lost) Experience: 2215 (1233 points won, 982 lost) Win rate: 56.15% Average opponent rating: 1,582.36 WBIF (187) Match lengths7-point: Matches: 36 (22 won, 14 lost) Experience: 252 (154 points won, 98 lost) Win rate: 61.11% Average opponent rating: 1,593.28 7-point: Matches: 36 (22 won, 14 lost) Experience: 252 (154 points won, 98 lost) Win rate: 61.11% Average opponent rating: 1,593.28 13-point: Matches: 151 (83 won, 68 lost) Experience: 1963 (1079 points won, 884 lost) Win rate: 54.97% Average opponent rating: 1,579.75 13-point: Matches: 151 (83 won, 68 lost) Experience: 1963 (1079 points won, 884 lost) Win rate: 54.97% Average opponent rating: 1,579.75 win/lose7-point: Matches: 36 (22 won, 14 lost) Experience: 252 (154 points won, 98 lost) Win rate: 61.11% Average opponent rating: 1,593.28 7-point: Matches: 36 (22 won, 14 lost) Experience: 252 (154 points won, 98 lost) Win rate: 61.11% Average opponent rating: 1,593.28 7-point (36) 13-point: Matches: 151 (83 won, 68 lost) Experience: 1963 (1079 points won, 884 lost) Win rate: 54.97% Average opponent rating: 1,579.75 13-point: Matches: 151 (83 won, 68 lost) Experience: 1963 (1079 points won, 884 lost) Win rate: 54.97% Average opponent rating: 1,579.75 13-point (151) Matches by opponent rating0481216202428323640<100010501000-11001050-11501100-12001150-12501200-13001250-13501300-14001350-1350-1400: Matches: 3 (2 won, 1 lost) Experience: 39 (26 points won, 13 lost) Win rate: 66.67%1350-1400: Matches: 3 (2 won, 1 lost) Experience: 39 (26 points won, 13 lost) Win rate: 66.67%14501400-1400-1450: Matches: 8 (4 won, 4 lost) Experience: 86 (46 points won, 40 lost) Win rate: 50.00%1400-1450: Matches: 8 (4 won, 4 lost) Experience: 86 (46 points won, 40 lost) Win rate: 50.00%15001450-1450-1500: Matches: 21 (13 won, 8 lost) Experience: 267 (163 points won, 104 lost) Win rate: 61.90%1450-1500: Matches: 21 (13 won, 8 lost) Experience: 267 (163 points won, 104 lost) Win rate: 61.90%15501500-1500-1550: Matches: 36 (21 won, 15 lost) Experience: 420 (237 points won, 183 lost) Win rate: 58.33%1500-1550: Matches: 36 (21 won, 15 lost) Experience: 420 (237 points won, 183 lost) Win rate: 58.33%16001550-1550-1600: Matches: 36 (18 won, 18 lost) Experience: 420 (204 points won, 216 lost) Win rate: 50.00%1550-1600: Matches: 36 (18 won, 18 lost) Experience: 420 (204 points won, 216 lost) Win rate: 50.00%16501600-1600-1650: Matches: 35 (22 won, 13 lost) Experience: 425 (256 points won, 169 lost) Win rate: 62.86%1600-1650: Matches: 35 (22 won, 13 lost) Experience: 425 (256 points won, 169 lost) Win rate: 62.86%17001650-1650-1700: Matches: 34 (18 won, 16 lost) Experience: 412 (228 points won, 184 lost) Win rate: 52.94%1650-1700: Matches: 34 (18 won, 16 lost) Experience: 412 (228 points won, 184 lost) Win rate: 52.94%17501700-1700-1750: Matches: 12 (5 won, 7 lost) Experience: 126 (53 points won, 73 lost) Win rate: 41.67%1700-1750: Matches: 12 (5 won, 7 lost) Experience: 126 (53 points won, 73 lost) Win rate: 41.67%18001750-1750-1800: Matches: 2 (2 won, 0 lost) Experience: 20 (20 points won, 0 lost) Win rate: 100.00%1750-1800: Matches: 2 (2 won, 0 lost) Experience: 20 (20 points won, 0 lost) Win rate: 100.00%18501800-19001850-1900+ ←1,641.66 When matches were playedJanuary: Matches: 6 (4 won, 2 lost) Experience: 78 (52 points won, 26 lost) Win rate: 66.67% Average opponent rating: 1,572.02 January: Matches: 6 (4 won, 2 lost) Experience: 78 (52 points won, 26 lost) Win rate: 66.67% Average opponent rating: 1,572.02 February: Matches: 1 (1 won, 0 lost) Experience: 13 (13 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,572.68 February: Matches: 1 (1 won, 0 lost) Experience: 13 (13 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,572.68 March: Matches: 26 (11 won, 15 lost) Experience: 338 (143 points won, 195 lost) Win rate: 42.31% Average opponent rating: 1,571.18 March: Matches: 26 (11 won, 15 lost) Experience: 338 (143 points won, 195 lost) Win rate: 42.31% Average opponent rating: 1,571.18 April: Matches: 26 (17 won, 9 lost) Experience: 332 (221 points won, 111 lost) Win rate: 65.38% Average opponent rating: 1,539.91 April: Matches: 26 (17 won, 9 lost) Experience: 332 (221 points won, 111 lost) Win rate: 65.38% Average opponent rating: 1,539.91 May: Matches: 33 (24 won, 9 lost) Experience: 363 (258 points won, 105 lost) Win rate: 72.73% Average opponent rating: 1,564.03 May: Matches: 33 (24 won, 9 lost) Experience: 363 (258 points won, 105 lost) Win rate: 72.73% Average opponent rating: 1,564.03 June: Matches: 25 (14 won, 11 lost) Experience: 247 (122 points won, 125 lost) Win rate: 56.00% Average opponent rating: 1,604.13 June: Matches: 25 (14 won, 11 lost) Experience: 247 (122 points won, 125 lost) Win rate: 56.00% Average opponent rating: 1,604.13 July: Matches: 18 (7 won, 11 lost) Experience: 186 (73 points won, 113 lost) Win rate: 38.89% Average opponent rating: 1,652.70 July: Matches: 18 (7 won, 11 lost) Experience: 186 (73 points won, 113 lost) Win rate: 38.89% Average opponent rating: 1,652.70 August: Matches: 3 (0 won, 3 lost) Experience: 27 (0 points won, 27 lost) Win rate: 0.00% Average opponent rating: 1,631.82 August: Matches: 3 (0 won, 3 lost) Experience: 27 (0 points won, 27 lost) Win rate: 0.00% Average opponent rating: 1,631.82 September: Matches: 10 (4 won, 6 lost) Experience: 124 (52 points won, 72 lost) Win rate: 40.00% Average opponent rating: 1,600.71 September: Matches: 10 (4 won, 6 lost) Experience: 124 (52 points won, 72 lost) Win rate: 40.00% Average opponent rating: 1,600.71 October: Matches: 14 (8 won, 6 lost) Experience: 182 (104 points won, 78 lost) Win rate: 57.14% Average opponent rating: 1,558.72 October: Matches: 14 (8 won, 6 lost) Experience: 182 (104 points won, 78 lost) Win rate: 57.14% Average opponent rating: 1,558.72 November: Matches: 12 (7 won, 5 lost) Experience: 156 (91 points won, 65 lost) Win rate: 58.33% Average opponent rating: 1,567.91 November: Matches: 12 (7 won, 5 lost) Experience: 156 (91 points won, 65 lost) Win rate: 58.33% Average opponent rating: 1,567.91 December: Matches: 13 (8 won, 5 lost) Experience: 169 (104 points won, 65 lost) Win rate: 61.54% Average opponent rating: 1,615.62 December: Matches: 13 (8 won, 5 lost) Experience: 169 (104 points won, 65 lost) Win rate: 61.54% Average opponent rating: 1,615.62 January: Matches: 6 (4 won, 2 lost) Experience: 78 (52 points won, 26 lost) Win rate: 66.67% Average opponent rating: 1,572.02 January: Matches: 6 (4 won, 2 lost) Experience: 78 (52 points won, 26 lost) Win rate: 66.67% Average opponent rating: 1,572.02 Jan February: Matches: 1 (1 won, 0 lost) Experience: 13 (13 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,572.68 February: Matches: 1 (1 won, 0 lost) Experience: 13 (13 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,572.68 Feb March: Matches: 26 (11 won, 15 lost) Experience: 338 (143 points won, 195 lost) Win rate: 42.31% Average opponent rating: 1,571.18 March: Matches: 26 (11 won, 15 lost) Experience: 338 (143 points won, 195 lost) Win rate: 42.31% Average opponent rating: 1,571.18 Mar April: Matches: 26 (17 won, 9 lost) Experience: 332 (221 points won, 111 lost) Win rate: 65.38% Average opponent rating: 1,539.91 April: Matches: 26 (17 won, 9 lost) Experience: 332 (221 points won, 111 lost) Win rate: 65.38% Average opponent rating: 1,539.91 Apr May: Matches: 33 (24 won, 9 lost) Experience: 363 (258 points won, 105 lost) Win rate: 72.73% Average opponent rating: 1,564.03 May: Matches: 33 (24 won, 9 lost) Experience: 363 (258 points won, 105 lost) Win rate: 72.73% Average opponent rating: 1,564.03 May June: Matches: 25 (14 won, 11 lost) Experience: 247 (122 points won, 125 lost) Win rate: 56.00% Average opponent rating: 1,604.13 June: Matches: 25 (14 won, 11 lost) Experience: 247 (122 points won, 125 lost) Win rate: 56.00% Average opponent rating: 1,604.13 Jun July: Matches: 18 (7 won, 11 lost) Experience: 186 (73 points won, 113 lost) Win rate: 38.89% Average opponent rating: 1,652.70 July: Matches: 18 (7 won, 11 lost) Experience: 186 (73 points won, 113 lost) Win rate: 38.89% Average opponent rating: 1,652.70 Jul August: Matches: 3 (0 won, 3 lost) Experience: 27 (0 points won, 27 lost) Win rate: 0.00% Average opponent rating: 1,631.82 August: Matches: 3 (0 won, 3 lost) Experience: 27 (0 points won, 27 lost) Win rate: 0.00% Average opponent rating: 1,631.82 Aug September: Matches: 10 (4 won, 6 lost) Experience: 124 (52 points won, 72 lost) Win rate: 40.00% Average opponent rating: 1,600.71 September: Matches: 10 (4 won, 6 lost) Experience: 124 (52 points won, 72 lost) Win rate: 40.00% Average opponent rating: 1,600.71 Sep October: Matches: 14 (8 won, 6 lost) Experience: 182 (104 points won, 78 lost) Win rate: 57.14% Average opponent rating: 1,558.72 October: Matches: 14 (8 won, 6 lost) Experience: 182 (104 points won, 78 lost) Win rate: 57.14% Average opponent rating: 1,558.72 Oct November: Matches: 12 (7 won, 5 lost) Experience: 156 (91 points won, 65 lost) Win rate: 58.33% Average opponent rating: 1,567.91 November: Matches: 12 (7 won, 5 lost) Experience: 156 (91 points won, 65 lost) Win rate: 58.33% Average opponent rating: 1,567.91 Nov December: Matches: 13 (8 won, 5 lost) Experience: 169 (104 points won, 65 lost) Win rate: 61.54% Average opponent rating: 1,615.62 December: Matches: 13 (8 won, 5 lost) Experience: 169 (104 points won, 65 lost) Win rate: 61.54% Average opponent rating: 1,615.62 Dec 010203040506070809010020132014201520162017201820192019: Matches: 11 (8 won, 3 lost) Experience: 143 (104 points won, 39 lost) Win rate: 72.73% Average opponent rating: 1,612.232019: Matches: 11 (8 won, 3 lost) Experience: 143 (104 points won, 39 lost) Win rate: 72.73% Average opponent rating: 1,612.2320202020: Matches: 56 (32 won, 24 lost) Experience: 590 (326 points won, 264 lost) Win rate: 57.14% Average opponent rating: 1,593.232020: Matches: 56 (32 won, 24 lost) Experience: 590 (326 points won, 264 lost) Win rate: 57.14% Average opponent rating: 1,593.2320212021: Matches: 23 (9 won, 14 lost) Experience: 299 (117 points won, 182 lost) Win rate: 39.13% Average opponent rating: 1,586.712021: Matches: 23 (9 won, 14 lost) Experience: 299 (117 points won, 182 lost) Win rate: 39.13% Average opponent rating: 1,586.7120222022: Matches: 30 (16 won, 14 lost) Experience: 390 (208 points won, 182 lost) Win rate: 53.33% Average opponent rating: 1,573.382022: Matches: 30 (16 won, 14 lost) Experience: 390 (208 points won, 182 lost) Win rate: 53.33% Average opponent rating: 1,573.3820232023: Matches: 31 (19 won, 12 lost) Experience: 331 (205 points won, 126 lost) Win rate: 61.29% Average opponent rating: 1,558.232023: Matches: 31 (19 won, 12 lost) Experience: 331 (205 points won, 126 lost) Win rate: 61.29% Average opponent rating: 1,558.2320242024: Matches: 19 (11 won, 8 lost) Experience: 241 (143 points won, 98 lost) Win rate: 57.89% Average opponent rating: 1,576.122024: Matches: 19 (11 won, 8 lost) Experience: 241 (143 points won, 98 lost) Win rate: 57.89% Average opponent rating: 1,576.1220252025: Matches: 17 (10 won, 7 lost) Experience: 221 (130 points won, 91 lost) Win rate: 58.82% Average opponent rating: 1,588.112025: Matches: 17 (10 won, 7 lost) Experience: 221 (130 points won, 91 lost) Win rate: 58.82% Average opponent rating: 1,588.112026

► Match History

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