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Match Report for Petko Kostadinov

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.

Additional player info
Country: Bulgaria
Upcoming events:✅ 2026-02-27: 16th Atlanta Classic [Main Event] (reg. 2026-02-21)
✅ 2026-01-15: New York Metro Open [Super Jackpot, Main Event] (reg. 2026-01-06)
✅ 2026-02-03: Texas Championships [Main, Masters, UBC] (reg. 2026-01-26)
BMAB registration number:00115
BMAB title:Grandmaster G2
Last 300 exp PR:3.5421
BMAB Experience Points:2587
Last BMAB match:2026-02-28

Summary of Matches
Rating1,689.68
Experience2658
Number of matches recorded282
Number of analysed matches282
PR across analysed matches - overall3.5783 (World Class)
PR across analysed matches - moves3.1697 (World Class)
PR across analysed matches - cube5.7298 (Expert)
Opponent PR across analysed matches (overall)5.6196 (Expert)
Matches won170 (60.3%)
Number of distinct opponents172
Number of clubs played at2
Earliest match recorded2013-01-31
Latest match so far2026-02-28
Peak rating1,689.68
Peak rating (>400 exp.)1,689.68
Average opponent rating1,535.92

► Charts

[Graph of rating by experience] Match locationsNorth America: Matches: 237 (150 won, 87 lost) Experience: 2245 (1392 points won, 853 lost) Win rate: 63.29% Average opponent rating: 1,530.12 North America: Matches: 237 (150 won, 87 lost) Experience: 2245 (1392 points won, 853 lost) Win rate: 63.29% Average opponent rating: 1,530.12 Europe: Matches: 45 (20 won, 25 lost) Experience: 413 (198 points won, 215 lost) Win rate: 44.44% Average opponent rating: 1,566.42 Europe: Matches: 45 (20 won, 25 lost) Experience: 413 (198 points won, 215 lost) Win rate: 44.44% Average opponent rating: 1,566.42 win/loseNorth America: Matches: 237 (150 won, 87 lost) Experience: 2245 (1392 points won, 853 lost) Win rate: 63.29% Average opponent rating: 1,530.12 North America: Matches: 237 (150 won, 87 lost) Experience: 2245 (1392 points won, 853 lost) Win rate: 63.29% Average opponent rating: 1,530.12 North America (237) Europe: Matches: 45 (20 won, 25 lost) Experience: 413 (198 points won, 215 lost) Win rate: 44.44% Average opponent rating: 1,566.42 Europe: Matches: 45 (20 won, 25 lost) Experience: 413 (198 points won, 215 lost) Win rate: 44.44% Average opponent rating: 1,566.42 Europe (45) Match lengths7-point: Matches: 81 (47 won, 34 lost) Experience: 567 (329 points won, 238 lost) Win rate: 58.02% Average opponent rating: 1,549.36 7-point: Matches: 81 (47 won, 34 lost) Experience: 567 (329 points won, 238 lost) Win rate: 58.02% Average opponent rating: 1,549.36 9-point: Matches: 101 (64 won, 37 lost) Experience: 909 (576 points won, 333 lost) Win rate: 63.37% Average opponent rating: 1,523.46 9-point: Matches: 101 (64 won, 37 lost) Experience: 909 (576 points won, 333 lost) Win rate: 63.37% Average opponent rating: 1,523.46 11-point: Matches: 73 (45 won, 28 lost) Experience: 803 (495 points won, 308 lost) Win rate: 61.64% Average opponent rating: 1,536.73 11-point: Matches: 73 (45 won, 28 lost) Experience: 803 (495 points won, 308 lost) Win rate: 61.64% Average opponent rating: 1,536.73 13-point: Matches: 20 (11 won, 9 lost) Experience: 260 (143 points won, 117 lost) Win rate: 55.00% Average opponent rating: 1,540.25 13-point: Matches: 20 (11 won, 9 lost) Experience: 260 (143 points won, 117 lost) Win rate: 55.00% Average opponent rating: 1,540.25 15-point: Matches: 3 (2 won, 1 lost) Experience: 45 (30 points won, 15 lost) Win rate: 66.67% Average opponent rating: 1,506.11 15-point: Matches: 3 (2 won, 1 lost) Experience: 45 (30 points won, 15 lost) Win rate: 66.67% Average opponent rating: 1,506.11 17-point: Matches: 2 (1 won, 1 lost) Experience: 34 (17 points won, 17 lost) Win rate: 50.00% Average opponent rating: 1,580.09 17-point: Matches: 2 (1 won, 1 lost) Experience: 34 (17 points won, 17 lost) Win rate: 50.00% Average opponent rating: 1,580.09 19-point: Matches: 1 (0 won, 1 lost) Experience: 19 (0 points won, 19 lost) Win rate: 0.00% Average opponent rating: 1,561.32 19-point: Matches: 1 (0 won, 1 lost) Experience: 19 (0 points won, 19 lost) Win rate: 0.00% Average opponent rating: 1,561.32 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/lose7-point: Matches: 81 (47 won, 34 lost) Experience: 567 (329 points won, 238 lost) Win rate: 58.02% Average opponent rating: 1,549.36 7-point: Matches: 81 (47 won, 34 lost) Experience: 567 (329 points won, 238 lost) Win rate: 58.02% Average opponent rating: 1,549.36 7-point (81) 9-point: Matches: 101 (64 won, 37 lost) Experience: 909 (576 points won, 333 lost) Win rate: 63.37% Average opponent rating: 1,523.46 9-point: Matches: 101 (64 won, 37 lost) Experience: 909 (576 points won, 333 lost) Win rate: 63.37% Average opponent rating: 1,523.46 9-point (101) 11-point: Matches: 73 (45 won, 28 lost) Experience: 803 (495 points won, 308 lost) Win rate: 61.64% Average opponent rating: 1,536.73 11-point: Matches: 73 (45 won, 28 lost) Experience: 803 (495 points won, 308 lost) Win rate: 61.64% Average opponent rating: 1,536.73 11-point (73) 13-point: Matches: 20 (11 won, 9 lost) Experience: 260 (143 points won, 117 lost) Win rate: 55.00% Average opponent rating: 1,540.25 13-point: Matches: 20 (11 won, 9 lost) Experience: 260 (143 points won, 117 lost) Win rate: 55.00% Average opponent rating: 1,540.25 13-point (20) 15-point: Matches: 3 (2 won, 1 lost) Experience: 45 (30 points won, 15 lost) Win rate: 66.67% Average opponent rating: 1,506.11 15-point: Matches: 3 (2 won, 1 lost) Experience: 45 (30 points won, 15 lost) Win rate: 66.67% Average opponent rating: 1,506.11 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: 1,580.09 17-point: Matches: 2 (1 won, 1 lost) Experience: 34 (17 points won, 17 lost) Win rate: 50.00% Average opponent rating: 1,580.09 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: 1,561.32 19-point: Matches: 1 (0 won, 1 lost) Experience: 19 (0 points won, 19 lost) Win rate: 0.00% Average opponent rating: 1,561.32 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 rating020406080100120140160180200<100010501000-11001050-11501100-12001150-12501200-13001250-13501300-1300-1350: Matches: 3 (3 won, 0 lost) Experience: 27 (27 points won, 0 lost) Win rate: 100.00%1300-1350: Matches: 3 (3 won, 0 lost) Experience: 27 (27 points won, 0 lost) Win rate: 100.00%14001350-1350-1400: 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%14501400-1400-1450: Matches: 20 (16 won, 4 lost) Experience: 190 (156 points won, 34 lost) Win rate: 80.00%1400-1450: Matches: 20 (16 won, 4 lost) Experience: 190 (156 points won, 34 lost) Win rate: 80.00%15001450-1450-1500: Matches: 44 (33 won, 11 lost) Experience: 412 (303 points won, 109 lost) Win rate: 75.00%1450-1500: Matches: 44 (33 won, 11 lost) Experience: 412 (303 points won, 109 lost) Win rate: 75.00%15501500-1500-1550: Matches: 104 (63 won, 41 lost) Experience: 972 (595 points won, 377 lost) Win rate: 60.58%1500-1550: Matches: 104 (63 won, 41 lost) Experience: 972 (595 points won, 377 lost) Win rate: 60.58%16001550-1550-1600: Matches: 53 (24 won, 29 lost) Experience: 537 (236 points won, 301 lost) Win rate: 45.28%1550-1600: Matches: 53 (24 won, 29 lost) Experience: 537 (236 points won, 301 lost) Win rate: 45.28%16501600-1600-1650: Matches: 37 (18 won, 19 lost) Experience: 337 (160 points won, 177 lost) Win rate: 48.65%1600-1650: Matches: 37 (18 won, 19 lost) Experience: 337 (160 points won, 177 lost) Win rate: 48.65%17001650-1650-1700: Matches: 12 (9 won, 3 lost) Experience: 102 (79 points won, 23 lost) Win rate: 75.00%1650-1700: Matches: 12 (9 won, 3 lost) Experience: 102 (79 points won, 23 lost) Win rate: 75.00%17501700-1700-1750: Matches: 4 (1 won, 3 lost) Experience: 34 (9 points won, 25 lost) Win rate: 25.00%1700-1750: Matches: 4 (1 won, 3 lost) Experience: 34 (9 points won, 25 lost) Win rate: 25.00%18001750-18501800-19001850-1900+ ←1,689.68 When matches were playedJanuary: Matches: 21 (14 won, 7 lost) Experience: 229 (142 points won, 87 lost) Win rate: 66.67% Average opponent rating: 1,550.79 January: Matches: 21 (14 won, 7 lost) Experience: 229 (142 points won, 87 lost) Win rate: 66.67% Average opponent rating: 1,550.79 February: Matches: 104 (68 won, 36 lost) Experience: 892 (566 points won, 326 lost) Win rate: 65.38% Average opponent rating: 1,529.80 February: Matches: 104 (68 won, 36 lost) Experience: 892 (566 points won, 326 lost) Win rate: 65.38% Average opponent rating: 1,529.80 March: Matches: 11 (7 won, 4 lost) Experience: 139 (87 points won, 52 lost) Win rate: 63.64% Average opponent rating: 1,540.31 March: Matches: 11 (7 won, 4 lost) Experience: 139 (87 points won, 52 lost) Win rate: 63.64% Average opponent rating: 1,540.31 April: Matches: 15 (10 won, 5 lost) Experience: 159 (106 points won, 53 lost) Win rate: 66.67% Average opponent rating: 1,559.80 April: Matches: 15 (10 won, 5 lost) Experience: 159 (106 points won, 53 lost) Win rate: 66.67% Average opponent rating: 1,559.80 May: Matches: 55 (29 won, 26 lost) Experience: 511 (269 points won, 242 lost) Win rate: 52.73% Average opponent rating: 1,528.71 May: Matches: 55 (29 won, 26 lost) Experience: 511 (269 points won, 242 lost) Win rate: 52.73% Average opponent rating: 1,528.71 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: 1,594.14 July: Matches: 16 (4 won, 12 lost) Experience: 112 (28 points won, 84 lost) Win rate: 25.00% Average opponent rating: 1,594.14 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: 1,526.54 September: Matches: 17 (8 won, 9 lost) Experience: 167 (84 points won, 83 lost) Win rate: 47.06% Average opponent rating: 1,526.54 October: Matches: 6 (3 won, 3 lost) Experience: 64 (27 points won, 37 lost) Win rate: 50.00% Average opponent rating: 1,501.15 October: Matches: 6 (3 won, 3 lost) Experience: 64 (27 points won, 37 lost) Win rate: 50.00% Average opponent rating: 1,501.15 November: Matches: 21 (16 won, 5 lost) Experience: 205 (158 points won, 47 lost) Win rate: 76.19% Average opponent rating: 1,532.93 November: Matches: 21 (16 won, 5 lost) Experience: 205 (158 points won, 47 lost) Win rate: 76.19% Average opponent rating: 1,532.93 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: 21 (14 won, 7 lost) Experience: 229 (142 points won, 87 lost) Win rate: 66.67% Average opponent rating: 1,550.79 January: Matches: 21 (14 won, 7 lost) Experience: 229 (142 points won, 87 lost) Win rate: 66.67% Average opponent rating: 1,550.79 Jan February: Matches: 104 (68 won, 36 lost) Experience: 892 (566 points won, 326 lost) Win rate: 65.38% Average opponent rating: 1,529.80 February: Matches: 104 (68 won, 36 lost) Experience: 892 (566 points won, 326 lost) Win rate: 65.38% Average opponent rating: 1,529.80 Feb March: Matches: 11 (7 won, 4 lost) Experience: 139 (87 points won, 52 lost) Win rate: 63.64% Average opponent rating: 1,540.31 March: Matches: 11 (7 won, 4 lost) Experience: 139 (87 points won, 52 lost) Win rate: 63.64% Average opponent rating: 1,540.31 Mar April: Matches: 15 (10 won, 5 lost) Experience: 159 (106 points won, 53 lost) Win rate: 66.67% Average opponent rating: 1,559.80 April: Matches: 15 (10 won, 5 lost) Experience: 159 (106 points won, 53 lost) Win rate: 66.67% Average opponent rating: 1,559.80 Apr May: Matches: 55 (29 won, 26 lost) Experience: 511 (269 points won, 242 lost) Win rate: 52.73% Average opponent rating: 1,528.71 May: Matches: 55 (29 won, 26 lost) Experience: 511 (269 points won, 242 lost) Win rate: 52.73% Average opponent rating: 1,528.71 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: 1,594.14 July: Matches: 16 (4 won, 12 lost) Experience: 112 (28 points won, 84 lost) Win rate: 25.00% Average opponent rating: 1,594.14 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: 1,526.54 September: Matches: 17 (8 won, 9 lost) Experience: 167 (84 points won, 83 lost) Win rate: 47.06% Average opponent rating: 1,526.54 Sep October: Matches: 6 (3 won, 3 lost) Experience: 64 (27 points won, 37 lost) Win rate: 50.00% Average opponent rating: 1,501.15 October: Matches: 6 (3 won, 3 lost) Experience: 64 (27 points won, 37 lost) Win rate: 50.00% Average opponent rating: 1,501.15 Oct November: Matches: 21 (16 won, 5 lost) Experience: 205 (158 points won, 47 lost) Win rate: 76.19% Average opponent rating: 1,532.93 November: Matches: 21 (16 won, 5 lost) Experience: 205 (158 points won, 47 lost) Win rate: 76.19% Average opponent rating: 1,532.93 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 010203040506070809010020042005200620072008200920102011201220132013: Matches: 11 (8 won, 3 lost) Experience: 105 (76 points won, 29 lost) Win rate: 72.73% Average opponent rating: 1,503.752013: Matches: 11 (8 won, 3 lost) Experience: 105 (76 points won, 29 lost) Win rate: 72.73% Average opponent rating: 1,503.7520142014: Matches: 4 (0 won, 4 lost) Experience: 36 (0 points won, 36 lost) Win rate: 0.00% Average opponent rating: 1,573.092014: Matches: 4 (0 won, 4 lost) Experience: 36 (0 points won, 36 lost) Win rate: 0.00% Average opponent rating: 1,573.0920152015: Matches: 6 (3 won, 3 lost) Experience: 60 (29 points won, 31 lost) Win rate: 50.00% Average opponent rating: 1,642.352015: Matches: 6 (3 won, 3 lost) Experience: 60 (29 points won, 31 lost) Win rate: 50.00% Average opponent rating: 1,642.3520162016: Matches: 12 (3 won, 9 lost) Experience: 126 (27 points won, 99 lost) Win rate: 25.00% Average opponent rating: 1,532.422016: Matches: 12 (3 won, 9 lost) Experience: 126 (27 points won, 99 lost) Win rate: 25.00% Average opponent rating: 1,532.42201720182018: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,595.962018: Matches: 1 (1 won, 0 lost) Experience: 9 (9 points won, 0 lost) Win rate: 100.00% Average opponent rating: 1,595.9620192019: Matches: 3 (2 won, 1 lost) Experience: 33 (22 points won, 11 lost) Win rate: 66.67% Average opponent rating: 1,532.252019: Matches: 3 (2 won, 1 lost) Experience: 33 (22 points won, 11 lost) Win rate: 66.67% Average opponent rating: 1,532.2520202020: Matches: 7 (3 won, 4 lost) Experience: 55 (21 points won, 34 lost) Win rate: 42.86% Average opponent rating: 1,561.132020: Matches: 7 (3 won, 4 lost) Experience: 55 (21 points won, 34 lost) Win rate: 42.86% Average opponent rating: 1,561.13202120222022: Matches: 29 (19 won, 10 lost) Experience: 261 (163 points won, 98 lost) Win rate: 65.52% Average opponent rating: 1,526.382022: Matches: 29 (19 won, 10 lost) Experience: 261 (163 points won, 98 lost) Win rate: 65.52% Average opponent rating: 1,526.3820232023: Matches: 56 (35 won, 21 lost) Experience: 602 (371 points won, 231 lost) Win rate: 62.50% Average opponent rating: 1,528.032023: Matches: 56 (35 won, 21 lost) Experience: 602 (371 points won, 231 lost) Win rate: 62.50% Average opponent rating: 1,528.0320242024: Matches: 48 (26 won, 22 lost) Experience: 390 (210 points won, 180 lost) Win rate: 54.17% Average opponent rating: 1,538.392024: Matches: 48 (26 won, 22 lost) Experience: 390 (210 points won, 180 lost) Win rate: 54.17% Average opponent rating: 1,538.3920252025: Matches: 58 (39 won, 19 lost) Experience: 576 (391 points won, 185 lost) Win rate: 67.24% Average opponent rating: 1,527.592025: Matches: 58 (39 won, 19 lost) Experience: 576 (391 points won, 185 lost) Win rate: 67.24% Average opponent rating: 1,527.5920262026: Matches: 47 (31 won, 16 lost) Experience: 405 (271 points won, 134 lost) Win rate: 65.96% Average opponent rating: 1,545.812026: Matches: 47 (31 won, 16 lost) Experience: 405 (271 points won, 134 lost) Win rate: 65.96% Average opponent rating: 1,545.81

► Match History

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