Match Report for 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.
Summary of Matches Rating 1,641.66 Experience 2215 Number of matches recorded 187 Number of analysed matches 187 PR across analysed matches - overall 3.9850 (World Class) PR across analysed matches - moves 3.5012 (World Class) PR across analysed matches - cube 6.5685 (Expert) Opponent PR across analysed matches (overall) 6.1516 (Expert) Matches won 105 (56.1%) Number of distinct opponents 156 Number of clubs played at 1 Earliest match recorded 2019-04-20 Latest match so far 2025-07-11 Peak rating 1,700.87 Peak rating (>400 exp.) 1,672.69 Average opponent rating 1,582.36
► Charts
Match locations 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:
Matches: 187 (105 won, 82 lost)
Experience: 2215 (1233 points won, 982 lost)
Win rate: 56.15%
Average opponent rating: 1,582.36
win/lose 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:
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 lengths 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:
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/lose 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:
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 rating 0 4 8 12 16 20 24 28 32 36 40 <1000 1050 1000- 1100 1050- 1150 1100- 1200 1150- 1250 1200- 1300 1250- 1350 1300- 1400 1350- 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% 1450 1400- 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% 1500 1450- 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% 1550 1500- 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% 1600 1550- 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% 1650 1600- 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% 1700 1650- 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% 1750 1700- 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% 1800 1750- 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% 1850 1800- 1900 1850- 1900+ ←1,641.66
When matches were played 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
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
0 10 20 30 40 50 60 70 80 90 100 2013 2014 2015 2016 2017 2018 2019 2019:
Matches: 11 (8 won, 3 lost)
Experience: 143 (104 points won, 39 lost)
Win rate: 72.73%
Average opponent rating: 1,612.23 2019:
Matches: 11 (8 won, 3 lost)
Experience: 143 (104 points won, 39 lost)
Win rate: 72.73%
Average opponent rating: 1,612.23 2020 2020:
Matches: 56 (32 won, 24 lost)
Experience: 590 (326 points won, 264 lost)
Win rate: 57.14%
Average opponent rating: 1,593.23 2020:
Matches: 56 (32 won, 24 lost)
Experience: 590 (326 points won, 264 lost)
Win rate: 57.14%
Average opponent rating: 1,593.23 2021 2021:
Matches: 23 (9 won, 14 lost)
Experience: 299 (117 points won, 182 lost)
Win rate: 39.13%
Average opponent rating: 1,586.71 2021:
Matches: 23 (9 won, 14 lost)
Experience: 299 (117 points won, 182 lost)
Win rate: 39.13%
Average opponent rating: 1,586.71 2022 2022:
Matches: 30 (16 won, 14 lost)
Experience: 390 (208 points won, 182 lost)
Win rate: 53.33%
Average opponent rating: 1,573.38 2022:
Matches: 30 (16 won, 14 lost)
Experience: 390 (208 points won, 182 lost)
Win rate: 53.33%
Average opponent rating: 1,573.38 2023 2023:
Matches: 31 (19 won, 12 lost)
Experience: 331 (205 points won, 126 lost)
Win rate: 61.29%
Average opponent rating: 1,558.23 2023:
Matches: 31 (19 won, 12 lost)
Experience: 331 (205 points won, 126 lost)
Win rate: 61.29%
Average opponent rating: 1,558.23 2024 2024:
Matches: 19 (11 won, 8 lost)
Experience: 241 (143 points won, 98 lost)
Win rate: 57.89%
Average opponent rating: 1,576.12 2024:
Matches: 19 (11 won, 8 lost)
Experience: 241 (143 points won, 98 lost)
Win rate: 57.89%
Average opponent rating: 1,576.12 2025 2025:
Matches: 17 (10 won, 7 lost)
Experience: 221 (130 points won, 91 lost)
Win rate: 58.82%
Average opponent rating: 1,588.11 2025:
Matches: 17 (10 won, 7 lost)
Experience: 221 (130 points won, 91 lost)
Win rate: 58.82%
Average opponent rating: 1,588.11 2026 ► Match History