Match Report for Petko Kostadinov
Petko born in Burgas, Bulgaria, started playing backgammon from the age of 11. He had high level training within the Bulgarian Merchant Navy, where he served as officer on large crude oil carriers. Subsequently he and his family moved to the USA, where both he and his wife have pursued very successful academic and professional careers. Since starting playing on the ABT Tour in 2001, he has steadily built up his reputation through both top level play and for perfect sportsmanship, resulting in his being voted into the Giants List several times, with current status #6. He has won Masters Tournaments in Pittsburgh (twice), Michigan and Charlotte (twice), and the SuperJackpot in Las Vegas.
In 2013, he had a particularly glorious year, winning the 2nd IBC, third place in the Monte Carlo World Championship, and winning the 2nd Giants Invitational Tournament in 2013 (with 2.52 over eight 9 point matches). In 2014 he joined the World Team for the Nordic Open, and won the Masters Jackpot in Illinois. His Gridgammon nickname is Bulgari.
Summary of Matches Rating 1,650.66 Experience 2253 Number of matches recorded 235 Number of analysed matches 235 PR across analysed matches - overall 3.5823 (World Class) PR across analysed matches - moves 3.1757 (World Class) PR across analysed matches - cube 5.7268 (Expert) Opponent PR across analysed matches (overall) 5.6469 (Expert) Matches won 139 (59.1%) Number of distinct opponents 149 Number of clubs played at 2 Earliest match recorded 2013-01-31 Latest match so far 2025-11-21 Peak rating 1,650.66 Peak rating (>400 exp.) 1,650.66 Average opponent rating 1,533.91
► Charts
Match locations North America:
Matches: 190 (119 won, 71 lost)
Experience: 1840 (1121 points won, 719 lost)
Win rate: 62.63%
Average opponent rating: 1,526.21
North America:
Matches: 190 (119 won, 71 lost)
Experience: 1840 (1121 points won, 719 lost)
Win rate: 62.63%
Average opponent rating: 1,526.21
Europe:
Matches: 45 (20 won, 25 lost)
Experience: 413 (198 points won, 215 lost)
Win rate: 44.44%
Average opponent rating: 1,566.39
Europe:
Matches: 45 (20 won, 25 lost)
Experience: 413 (198 points won, 215 lost)
Win rate: 44.44%
Average opponent rating: 1,566.39
win/lose North America:
Matches: 190 (119 won, 71 lost)
Experience: 1840 (1121 points won, 719 lost)
Win rate: 62.63%
Average opponent rating: 1,526.21
North America:
Matches: 190 (119 won, 71 lost)
Experience: 1840 (1121 points won, 719 lost)
Win rate: 62.63%
Average opponent rating: 1,526.21
North America (190)
Europe:
Matches: 45 (20 won, 25 lost)
Experience: 413 (198 points won, 215 lost)
Win rate: 44.44%
Average opponent rating: 1,566.39
Europe:
Matches: 45 (20 won, 25 lost)
Experience: 413 (198 points won, 215 lost)
Win rate: 44.44%
Average opponent rating: 1,566.39
Europe (45)
Match lengths 7-point:
Matches: 59 (35 won, 24 lost)
Experience: 413 (245 points won, 168 lost)
Win rate: 59.32%
Average opponent rating: 1,540.86
7-point:
Matches: 59 (35 won, 24 lost)
Experience: 413 (245 points won, 168 lost)
Win rate: 59.32%
Average opponent rating: 1,540.86
9-point:
Matches: 88 (53 won, 35 lost)
Experience: 792 (477 points won, 315 lost)
Win rate: 60.23%
Average opponent rating: 1,520.86
9-point:
Matches: 88 (53 won, 35 lost)
Experience: 792 (477 points won, 315 lost)
Win rate: 60.23%
Average opponent rating: 1,520.86
11-point:
Matches: 62 (37 won, 25 lost)
Experience: 682 (407 points won, 275 lost)
Win rate: 59.68%
Average opponent rating: 1,544.32
11-point:
Matches: 62 (37 won, 25 lost)
Experience: 682 (407 points won, 275 lost)
Win rate: 59.68%
Average opponent rating: 1,544.32
13-point:
Matches: 19 (11 won, 8 lost)
Experience: 247 (143 points won, 104 lost)
Win rate: 57.89%
Average opponent rating: 1,536.87
13-point:
Matches: 19 (11 won, 8 lost)
Experience: 247 (143 points won, 104 lost)
Win rate: 57.89%
Average opponent rating: 1,536.87
15-point:
Matches: 3 (2 won, 1 lost)
Experience: 45 (30 points won, 15 lost)
Win rate: 66.67%
Average opponent rating: 1,506.10
15-point:
Matches: 3 (2 won, 1 lost)
Experience: 45 (30 points won, 15 lost)
Win rate: 66.67%
Average opponent rating: 1,506.10
17-point:
Matches: 2 (1 won, 1 lost)
Experience: 34 (17 points won, 17 lost)
Win rate: 50.00%
Average opponent rating: 1,580.10
17-point:
Matches: 2 (1 won, 1 lost)
Experience: 34 (17 points won, 17 lost)
Win rate: 50.00%
Average opponent rating: 1,580.10
19-point:
Matches: 1 (0 won, 1 lost)
Experience: 19 (0 points won, 19 lost)
Win rate: 0.00%
Average opponent rating: 1,561.30
19-point:
Matches: 1 (0 won, 1 lost)
Experience: 19 (0 points won, 19 lost)
Win rate: 0.00%
Average opponent rating: 1,561.30
21-point:
Matches: 1 (0 won, 1 lost)
Experience: 21 (0 points won, 21 lost)
Win rate: 0.00%
Average opponent rating: 1,534.19
21-point:
Matches: 1 (0 won, 1 lost)
Experience: 21 (0 points won, 21 lost)
Win rate: 0.00%
Average opponent rating: 1,534.19
win/lose 7-point:
Matches: 59 (35 won, 24 lost)
Experience: 413 (245 points won, 168 lost)
Win rate: 59.32%
Average opponent rating: 1,540.86
7-point:
Matches: 59 (35 won, 24 lost)
Experience: 413 (245 points won, 168 lost)
Win rate: 59.32%
Average opponent rating: 1,540.86
7-point (59)
9-point:
Matches: 88 (53 won, 35 lost)
Experience: 792 (477 points won, 315 lost)
Win rate: 60.23%
Average opponent rating: 1,520.86
9-point:
Matches: 88 (53 won, 35 lost)
Experience: 792 (477 points won, 315 lost)
Win rate: 60.23%
Average opponent rating: 1,520.86
9-point (88)
11-point:
Matches: 62 (37 won, 25 lost)
Experience: 682 (407 points won, 275 lost)
Win rate: 59.68%
Average opponent rating: 1,544.32
11-point:
Matches: 62 (37 won, 25 lost)
Experience: 682 (407 points won, 275 lost)
Win rate: 59.68%
Average opponent rating: 1,544.32
11-point (62)
13-point:
Matches: 19 (11 won, 8 lost)
Experience: 247 (143 points won, 104 lost)
Win rate: 57.89%
Average opponent rating: 1,536.87
13-point:
Matches: 19 (11 won, 8 lost)
Experience: 247 (143 points won, 104 lost)
Win rate: 57.89%
Average opponent rating: 1,536.87
13-point (19)
15-point:
Matches: 3 (2 won, 1 lost)
Experience: 45 (30 points won, 15 lost)
Win rate: 66.67%
Average opponent rating: 1,506.10
15-point:
Matches: 3 (2 won, 1 lost)
Experience: 45 (30 points won, 15 lost)
Win rate: 66.67%
Average opponent rating: 1,506.10
15-point (3)
17-point:
Matches: 2 (1 won, 1 lost)
Experience: 34 (17 points won, 17 lost)
Win rate: 50.00%
Average opponent rating: 1,580.10
17-point:
Matches: 2 (1 won, 1 lost)
Experience: 34 (17 points won, 17 lost)
Win rate: 50.00%
Average opponent rating: 1,580.10
17-point (2)
19-point:
Matches: 1 (0 won, 1 lost)
Experience: 19 (0 points won, 19 lost)
Win rate: 0.00%
Average opponent rating: 1,561.30
19-point:
Matches: 1 (0 won, 1 lost)
Experience: 19 (0 points won, 19 lost)
Win rate: 0.00%
Average opponent rating: 1,561.30
19-point (1)
21-point:
Matches: 1 (0 won, 1 lost)
Experience: 21 (0 points won, 21 lost)
Win rate: 0.00%
Average opponent rating: 1,534.19
21-point:
Matches: 1 (0 won, 1 lost)
Experience: 21 (0 points won, 21 lost)
Win rate: 0.00%
Average opponent rating: 1,534.19
21-point (1)
Matches by opponent rating 0 10 20 30 40 50 60 70 80 90 100 <1000 1050 1000- 1100 1050- 1150 1100- 1200 1150- 1250 1200- 1300 1250- 1350 1300- 1300-1350:
Matches: 2 (2 won, 0 lost)
Experience: 16 (16 points won, 0 lost)
Win rate: 100.00% 1300-1350:
Matches: 2 (2 won, 0 lost)
Experience: 16 (16 points won, 0 lost)
Win rate: 100.00% 1400 1350- 1350-1400:
Matches: 5 (3 won, 2 lost)
Experience: 47 (25 points won, 22 lost)
Win rate: 60.00% 1350-1400:
Matches: 5 (3 won, 2 lost)
Experience: 47 (25 points won, 22 lost)
Win rate: 60.00% 1450 1400- 1400-1450:
Matches: 18 (14 won, 4 lost)
Experience: 172 (138 points won, 34 lost)
Win rate: 77.78% 1400-1450:
Matches: 18 (14 won, 4 lost)
Experience: 172 (138 points won, 34 lost)
Win rate: 77.78% 1500 1450- 1450-1500:
Matches: 39 (29 won, 10 lost)
Experience: 365 (267 points won, 98 lost)
Win rate: 74.36% 1450-1500:
Matches: 39 (29 won, 10 lost)
Experience: 365 (267 points won, 98 lost)
Win rate: 74.36% 1550 1500- 1500-1550:
Matches: 82 (48 won, 34 lost)
Experience: 784 (462 points won, 322 lost)
Win rate: 58.54% 1500-1550:
Matches: 82 (48 won, 34 lost)
Experience: 784 (462 points won, 322 lost)
Win rate: 58.54% 1600 1550- 1550-1600:
Matches: 48 (22 won, 26 lost)
Experience: 492 (218 points won, 274 lost)
Win rate: 45.83% 1550-1600:
Matches: 48 (22 won, 26 lost)
Experience: 492 (218 points won, 274 lost)
Win rate: 45.83% 1650 1600- 1600-1650:
Matches: 30 (13 won, 17 lost)
Experience: 276 (119 points won, 157 lost)
Win rate: 43.33% 1600-1650:
Matches: 30 (13 won, 17 lost)
Experience: 276 (119 points won, 157 lost)
Win rate: 43.33% 1700 1650- 1650-1700:
Matches: 8 (7 won, 1 lost)
Experience: 74 (65 points won, 9 lost)
Win rate: 87.50% 1650-1700:
Matches: 8 (7 won, 1 lost)
Experience: 74 (65 points won, 9 lost)
Win rate: 87.50% 1750 1700- 1700-1750:
Matches: 3 (1 won, 2 lost)
Experience: 27 (9 points won, 18 lost)
Win rate: 33.33% 1700-1750:
Matches: 3 (1 won, 2 lost)
Experience: 27 (9 points won, 18 lost)
Win rate: 33.33% 1800 1750- 1850 1800- 1900 1850- 1900+ ←1,650.66
When matches were played January:
Matches: 11 (7 won, 4 lost)
Experience: 125 (71 points won, 54 lost)
Win rate: 63.64%
Average opponent rating: 1,577.21
January:
Matches: 11 (7 won, 4 lost)
Experience: 125 (71 points won, 54 lost)
Win rate: 63.64%
Average opponent rating: 1,577.21
February:
Matches: 67 (44 won, 23 lost)
Experience: 591 (366 points won, 225 lost)
Win rate: 65.67%
Average opponent rating: 1,517.55
February:
Matches: 67 (44 won, 23 lost)
Experience: 591 (366 points won, 225 lost)
Win rate: 65.67%
Average opponent rating: 1,517.55
March:
Matches: 11 (7 won, 4 lost)
Experience: 139 (87 points won, 52 lost)
Win rate: 63.64%
Average opponent rating: 1,540.29
March:
Matches: 11 (7 won, 4 lost)
Experience: 139 (87 points won, 52 lost)
Win rate: 63.64%
Average opponent rating: 1,540.29
April:
Matches: 15 (10 won, 5 lost)
Experience: 159 (106 points won, 53 lost)
Win rate: 66.67%
Average opponent rating: 1,559.82
April:
Matches: 15 (10 won, 5 lost)
Experience: 159 (106 points won, 53 lost)
Win rate: 66.67%
Average opponent rating: 1,559.82
May:
Matches: 55 (29 won, 26 lost)
Experience: 511 (269 points won, 242 lost)
Win rate: 52.73%
Average opponent rating: 1,528.68
May:
Matches: 55 (29 won, 26 lost)
Experience: 511 (269 points won, 242 lost)
Win rate: 52.73%
Average opponent rating: 1,528.68
June:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,500.00
June:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,500.00
July:
Matches: 16 (4 won, 12 lost)
Experience: 112 (28 points won, 84 lost)
Win rate: 25.00%
Average opponent rating: 1,594.10
July:
Matches: 16 (4 won, 12 lost)
Experience: 112 (28 points won, 84 lost)
Win rate: 25.00%
Average opponent rating: 1,594.10
August:
Matches: 14 (9 won, 5 lost)
Experience: 162 (105 points won, 57 lost)
Win rate: 64.29%
Average opponent rating: 1,529.48
August:
Matches: 14 (9 won, 5 lost)
Experience: 162 (105 points won, 57 lost)
Win rate: 64.29%
Average opponent rating: 1,529.48
September:
Matches: 17 (8 won, 9 lost)
Experience: 167 (84 points won, 83 lost)
Win rate: 47.06%
Average opponent rating: 1,527.15
September:
Matches: 17 (8 won, 9 lost)
Experience: 167 (84 points won, 83 lost)
Win rate: 47.06%
Average opponent rating: 1,527.15
October:
Matches: 6 (3 won, 3 lost)
Experience: 64 (27 points won, 37 lost)
Win rate: 50.00%
Average opponent rating: 1,501.12
October:
Matches: 6 (3 won, 3 lost)
Experience: 64 (27 points won, 37 lost)
Win rate: 50.00%
Average opponent rating: 1,501.12
November:
Matches: 21 (16 won, 5 lost)
Experience: 205 (158 points won, 47 lost)
Win rate: 76.19%
Average opponent rating: 1,531.67
November:
Matches: 21 (16 won, 5 lost)
Experience: 205 (158 points won, 47 lost)
Win rate: 76.19%
Average opponent rating: 1,531.67
December:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,473.81
December:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,473.81
January:
Matches: 11 (7 won, 4 lost)
Experience: 125 (71 points won, 54 lost)
Win rate: 63.64%
Average opponent rating: 1,577.21
January:
Matches: 11 (7 won, 4 lost)
Experience: 125 (71 points won, 54 lost)
Win rate: 63.64%
Average opponent rating: 1,577.21
Jan
February:
Matches: 67 (44 won, 23 lost)
Experience: 591 (366 points won, 225 lost)
Win rate: 65.67%
Average opponent rating: 1,517.55
February:
Matches: 67 (44 won, 23 lost)
Experience: 591 (366 points won, 225 lost)
Win rate: 65.67%
Average opponent rating: 1,517.55
Feb
March:
Matches: 11 (7 won, 4 lost)
Experience: 139 (87 points won, 52 lost)
Win rate: 63.64%
Average opponent rating: 1,540.29
March:
Matches: 11 (7 won, 4 lost)
Experience: 139 (87 points won, 52 lost)
Win rate: 63.64%
Average opponent rating: 1,540.29
Mar
April:
Matches: 15 (10 won, 5 lost)
Experience: 159 (106 points won, 53 lost)
Win rate: 66.67%
Average opponent rating: 1,559.82
April:
Matches: 15 (10 won, 5 lost)
Experience: 159 (106 points won, 53 lost)
Win rate: 66.67%
Average opponent rating: 1,559.82
Apr
May:
Matches: 55 (29 won, 26 lost)
Experience: 511 (269 points won, 242 lost)
Win rate: 52.73%
Average opponent rating: 1,528.68
May:
Matches: 55 (29 won, 26 lost)
Experience: 511 (269 points won, 242 lost)
Win rate: 52.73%
Average opponent rating: 1,528.68
May
June:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,500.00
June:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,500.00
Jun
July:
Matches: 16 (4 won, 12 lost)
Experience: 112 (28 points won, 84 lost)
Win rate: 25.00%
Average opponent rating: 1,594.10
July:
Matches: 16 (4 won, 12 lost)
Experience: 112 (28 points won, 84 lost)
Win rate: 25.00%
Average opponent rating: 1,594.10
Jul
August:
Matches: 14 (9 won, 5 lost)
Experience: 162 (105 points won, 57 lost)
Win rate: 64.29%
Average opponent rating: 1,529.48
August:
Matches: 14 (9 won, 5 lost)
Experience: 162 (105 points won, 57 lost)
Win rate: 64.29%
Average opponent rating: 1,529.48
Aug
September:
Matches: 17 (8 won, 9 lost)
Experience: 167 (84 points won, 83 lost)
Win rate: 47.06%
Average opponent rating: 1,527.15
September:
Matches: 17 (8 won, 9 lost)
Experience: 167 (84 points won, 83 lost)
Win rate: 47.06%
Average opponent rating: 1,527.15
Sep
October:
Matches: 6 (3 won, 3 lost)
Experience: 64 (27 points won, 37 lost)
Win rate: 50.00%
Average opponent rating: 1,501.12
October:
Matches: 6 (3 won, 3 lost)
Experience: 64 (27 points won, 37 lost)
Win rate: 50.00%
Average opponent rating: 1,501.12
Oct
November:
Matches: 21 (16 won, 5 lost)
Experience: 205 (158 points won, 47 lost)
Win rate: 76.19%
Average opponent rating: 1,531.67
November:
Matches: 21 (16 won, 5 lost)
Experience: 205 (158 points won, 47 lost)
Win rate: 76.19%
Average opponent rating: 1,531.67
Nov
December:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,473.81
December:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,473.81
Dec
0 10 20 30 40 50 60 70 80 90 100 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2013:
Matches: 11 (8 won, 3 lost)
Experience: 105 (76 points won, 29 lost)
Win rate: 72.73%
Average opponent rating: 1,503.75 2013:
Matches: 11 (8 won, 3 lost)
Experience: 105 (76 points won, 29 lost)
Win rate: 72.73%
Average opponent rating: 1,503.75 2014 2014:
Matches: 4 (0 won, 4 lost)
Experience: 36 (0 points won, 36 lost)
Win rate: 0.00%
Average opponent rating: 1,573.09 2014:
Matches: 4 (0 won, 4 lost)
Experience: 36 (0 points won, 36 lost)
Win rate: 0.00%
Average opponent rating: 1,573.09 2015 2015:
Matches: 6 (3 won, 3 lost)
Experience: 60 (29 points won, 31 lost)
Win rate: 50.00%
Average opponent rating: 1,642.34 2015:
Matches: 6 (3 won, 3 lost)
Experience: 60 (29 points won, 31 lost)
Win rate: 50.00%
Average opponent rating: 1,642.34 2016 2016:
Matches: 12 (3 won, 9 lost)
Experience: 126 (27 points won, 99 lost)
Win rate: 25.00%
Average opponent rating: 1,532.34 2016:
Matches: 12 (3 won, 9 lost)
Experience: 126 (27 points won, 99 lost)
Win rate: 25.00%
Average opponent rating: 1,532.34 2017 2018 2018:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,595.94 2018:
Matches: 1 (1 won, 0 lost)
Experience: 9 (9 points won, 0 lost)
Win rate: 100.00%
Average opponent rating: 1,595.94 2019 2019:
Matches: 3 (2 won, 1 lost)
Experience: 33 (22 points won, 11 lost)
Win rate: 66.67%
Average opponent rating: 1,532.23 2019:
Matches: 3 (2 won, 1 lost)
Experience: 33 (22 points won, 11 lost)
Win rate: 66.67%
Average opponent rating: 1,532.23 2020 2020:
Matches: 7 (3 won, 4 lost)
Experience: 55 (21 points won, 34 lost)
Win rate: 42.86%
Average opponent rating: 1,561.12 2020:
Matches: 7 (3 won, 4 lost)
Experience: 55 (21 points won, 34 lost)
Win rate: 42.86%
Average opponent rating: 1,561.12 2021 2022 2022:
Matches: 29 (19 won, 10 lost)
Experience: 261 (163 points won, 98 lost)
Win rate: 65.52%
Average opponent rating: 1,526.36 2022:
Matches: 29 (19 won, 10 lost)
Experience: 261 (163 points won, 98 lost)
Win rate: 65.52%
Average opponent rating: 1,526.36 2023 2023:
Matches: 56 (35 won, 21 lost)
Experience: 602 (371 points won, 231 lost)
Win rate: 62.50%
Average opponent rating: 1,528.25 2023:
Matches: 56 (35 won, 21 lost)
Experience: 602 (371 points won, 231 lost)
Win rate: 62.50%
Average opponent rating: 1,528.25 2024 2024:
Matches: 48 (26 won, 22 lost)
Experience: 390 (210 points won, 180 lost)
Win rate: 54.17%
Average opponent rating: 1,538.36 2024:
Matches: 48 (26 won, 22 lost)
Experience: 390 (210 points won, 180 lost)
Win rate: 54.17%
Average opponent rating: 1,538.36 2025 2025:
Matches: 58 (39 won, 19 lost)
Experience: 576 (391 points won, 185 lost)
Win rate: 67.24%
Average opponent rating: 1,527.32 2025:
Matches: 58 (39 won, 19 lost)
Experience: 576 (391 points won, 185 lost)
Win rate: 67.24%
Average opponent rating: 1,527.32 ► Match History