Kristina Kostova

Region WCA ID Gender Competitions Completed Solves
Bulgaria 2018KOST01 Female 20 623

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 17 2295 8323 8.42 10.65 9651 2560 16
2x2x2 Cube 18 2973 8425 2.10 4.55 19435 5928 35
3x3x3 One-Handed 37 5706 21959 24.83 27.84 17846 4580 25
Clock 5 912 2495 6.70 8.09 2368 865 6
Pyraminx 10 1999 5597 3.41 4.76 3443 1163 6
Skewb 2 415 1101 2.23 3.87 897 338 1

Medal Collection

Gold Silver Bronze
10 9 2

Record Collection

WR CR NR
8
Competition Round Place Single Average Solves
3x3x3 Cube
Sofia Open 2025 Second round 19 11.78 13.57 14.4311.7812.0915.5014.19
First round 12 11.46 13.00 13.5313.3311.4612.6912.98
Bulgarian Nationals 2024 Final 9 10.19 12.23 13.4811.9011.6310.1913.17
Second round 10 11.12 12.17 13.4811.4811.7613.2611.12
First round 9 11.26 12.24 11.2611.6512.2212.8618.80
Tarnovo End Of Summer 2024 Final 5 11.59 11.89 11.8512.6011.5911.7812.05
Second round 6 11.12 12.47 11.1222.1911.6414.3711.40
First round 6 10.51 12.36 12.5012.9512.6911.8910.51
Burgas Summer 2024 Final 6 8.42 10.65 10.6010.9010.468.4213.16
Second round 7 10.65 11.39 11.2110.6510.8112.2812.16
First round 6 10.58 11.31 12.3810.9810.5811.9211.04
50 Years of Cubing Bulgaria 2024 Final 8 10.93 12.63 13.9814.6610.9312.2711.63
Second round 8 10.32 11.69 13.5810.8313.0410.3211.21
First round 8 11.41 12.53 13.5912.8011.4112.6712.11
Sofia Spring 2024 Final 9 11.28 12.20 11.2814.4111.6312.6612.30
Second round 11 10.74 11.59 11.2014.8810.7412.6110.95
First round 15 12.17 13.51 15.7214.4412.1712.6313.46
Lovech Winter 2024 Final 5 11.33 12.22 11.9411.3314.3913.0411.68
Second round 8 13.30 14.34 14.7414.6015.8813.3013.68
First round 8 12.44 13.68 13.2512.4419.2513.5814.21
Burgas Open 2023 Final 8 11.21 12.87 13.2114.2711.2112.5412.86
Second round 9 10.26 11.78 11.4113.2012.1411.7910.26
First round 11 10.30 12.47 10.3015.6412.5611.7713.07
Bulgarian Aniversary 2023 Final 9 11.95 15.33 11.9512.79DNF17.4615.75
Second round 11 11.55 12.16 19.7912.4012.4211.5511.65
First round 11 9.89 12.42 11.7512.649.8913.8612.86
We are Back Sofia 2022 Final 10 11.17 12.66 13.9211.4511.1713.3813.16
Second round 12 11.71 13.99 14.4211.7115.0212.5317.59
First round 11 12.43 13.34 12.4313.0414.5012.8914.10
Lovech Winter 2019 Second round 21 15.61 17.02 16.4623.7318.8715.6115.73
First round 15 13.65 14.70 17.1914.8813.6514.7214.49
Sofia Autumn 2019 Second round 16 13.78 15.78 14.5715.9813.7816.7925.77
First round 15 12.94 15.08 12.9414.6016.7121.2513.92
Sofia Spring 2019 Second round 22 13.89 16.64 18.7616.3313.8914.8320.77
First round 17 14.61 15.11 16.5315.5514.6114.6915.10
Macedonia Winter 2019 Final 10 12.41 15.27 14.3415.9118.9715.5612.41
Second round 11 14.52 15.81 18.0216.0914.5216.4814.85
First round 11 13.96 16.35 16.5917.2217.1315.3413.96
Macedonia Open 2018 Second round 22 17.78 18.35 17.7818.5118.7618.6817.86
First round 20 15.17 16.96 17.2016.8916.7819.9215.17
Sofia Autumn 2018 Second round 20 14.96 17.81 22.6818.0616.8318.5314.96
First round 20 14.47 17.75 20.6819.5514.4717.7815.91
Sofia Open 2018 Second round 15 15.45 18.99 15.4518.7023.5519.7418.54
First round 17 16.83 19.50 20.9118.4116.8319.1823.59
Bulgarian Open 2018 Second round 38 21.96 26.55 21.9625.6537.0726.4127.60
First round 34 20.18 26.02 22.1127.4620.1834.1828.49
2x2x2 Cube
Sofia Open 2025 Final 17 4.61 5.05 12.845.144.614.885.14
First round 27 5.24 6.03 5.635.246.206.276.54
Bulgarian Nationals 2024 Second round 14 3.51 5.32 5.965.394.623.517.15
First round 11 3.98 4.55 3.987.064.124.095.43
Tarnovo End Of Summer 2024 Final 7 2.10 5.18 2.104.865.606.295.08
First round 7 4.20 5.09 5.954.624.706.774.20
Burgas Summer 2024 Final 11 3.99 4.60 5.393.994.354.077.19
First round 16 4.48 4.98 4.875.474.607.364.48
50 Years of Cubing Bulgaria 2024 Final 9 4.85 5.08 4.965.865.194.855.08
Second round 11 4.57 4.89 4.575.035.424.654.98
First round 22 4.65 6.52 4.658.809.135.545.23
Sofia Spring 2024 Final 12 4.55 5.18 5.305.684.554.565.84
Second round 14 4.19 4.81 4.834.484.196.715.13
First round 9 4.19 4.65 4.284.194.318.055.37
Lovech Winter 2024 Final 9 4.02 4.79 4.024.315.185.464.88
First round 8 4.47 4.63 4.817.234.474.494.60
Burgas Open 2023 Final 8 4.15 4.66 6.164.524.154.984.49
First round 10 4.29 4.59 4.574.294.495.844.71
Bulgarian Aniversary 2023 Final 21 4.14 5.90 4.144.9412.114.528.25
First round 17 4.58 5.56 4.585.175.186.337.49
We are Back Sofia 2022 Final 16 4.42 5.94 8.535.086.474.426.26
First round 15 4.26 5.28 5.284.266.085.365.20
Lovech Winter 2019 Final 11 3.96 5.23 3.964.915.495.545.28
First round 12 4.82 5.13 5.025.164.825.206.81
Sofia Autumn 2019 Final 12 4.52 5.51 5.446.065.027.044.52
First round 9 5.03 5.46 5.815.035.456.745.12
Sofia Spring 2019 Final 14 4.61 5.49 6.075.014.615.855.62
Macedonia Winter 2019 Final 6 5.04 5.39 6.115.825.155.045.19
Second round 5 2.54 4.96 5.992.545.435.344.11
First round 9 4.57 6.27 5.404.576.506.9210.56
Macedonia Open 2018 Final 10 3.67 5.44 5.126.755.423.675.77
Sofia Autumn 2018 Final 10 4.51 5.45 4.516.684.647.325.03
Sofia Open 2018 Final 12 5.21 6.52 6.427.705.216.286.86
3x3x3 One-Handed
Sofia Open 2025 Final 23 25.08 38.08 47.2336.3730.6325.0855.76
First round 15 24.83 27.84 25.4127.2953.0824.8330.82
Bulgarian Nationals 2024 Final 16 25.65 34.27 42.0047.8329.9025.6530.92
Clock
Sofia Open 2025 Final 7 8.06 9.86 9.08DNF8.0611.299.21
Side Events Bulgaria 2024 Final 6 8.20 9.37 9.9211.198.649.568.20
First round 4 6.70 8.09 8.557.358.366.7010.95
50 Years of Cubing Bulgaria 2024 Final 2 9.99 10.96 9.9912.0411.0210.0711.79
Pyraminx
Sofia Spring 2025 Final 10 6.30 7.97 6.308.567.999.247.36
First round 10 3.90 6.44 7.755.896.946.503.90
Sofia Open 2025 Final 7 5.20 6.58 5.205.705.748.718.30
Bulgarian Nationals 2024 Final 5 4.82 6.70 7.405.858.046.864.82
Side Events Bulgaria 2024 Final 4 4.42 6.30 4.427.887.266.185.45
Tarnovo End Of Summer 2024 Final 5 6.18 7.26 7.267.307.226.188.74
Burgas Summer 2024 Final 8 4.86 6.38 4.868.967.686.145.31
Sofia Spring 2024 Final 4 3.41 4.76 8.123.553.457.283.41
First round 9 6.18 7.84 6.189.698.867.966.71
Lovech Winter 2024 Final 1 5.00 5.89 5.095.967.515.006.62
Burgas Open 2023 Final 2 5.32 6.25 8.696.376.975.405.32
First round 2 5.31 6.56 8.716.715.837.145.31
Bulgarian Aniversary 2023 Final 3 4.34 6.12 4.348.135.778.114.48
First round 5 4.35 6.37 6.616.356.159.554.35
We are Back Sofia 2022 Final 4 5.83 6.69 5.838.016.277.116.69
Lovech Winter 2019 Final 3 6.03 6.75 6.217.5710.316.036.47
Skewb
Sofia Open 2025 Final 1 4.05 4.91 4.804.234.055.698.60
Bulgarian Nationals 2024 Final 1 2.90 4.30 2.904.465.254.733.71
Side Events Bulgaria 2024 Final 2 3.19 4.52 5.204.113.197.194.24
First round 1 3.34 3.96 3.343.786.083.614.49
Tarnovo End Of Summer 2024 Final 1 3.22 3.87 NR 5.123.223.994.053.56
First round 1 3.97 4.30 4.494.154.274.843.97
Burgas Summer 2024 Final 2 3.10 3.92 NR 3.104.934.703.263.79
First round 3 3.47 4.67 3.476.354.784.984.26
Sofia Spring 2024 Final 2 3.68 4.89 3.875.405.393.685.92
First round 1 3.11 4.19 3.114.133.945.324.51
Lovech Winter 2024 Final 1 3.75 4.06 3.814.534.343.754.04
Burgas Open 2023 Final 2 3.81 4.75 3.815.126.813.905.24
First round 2 3.98 5.17 3.986.755.624.335.55
Bulgarian Aniversary 2023 Final 1 4.44 5.08 4.444.844.745.675.96
We are Back Sofia 2022 Final 2 2.23 NR 4.29 4.533.692.235.544.65
Lovech Winter 2019 Final 1 3.11 4.02 NR 3.113.913.204.955.57
Sofia Autumn 2019 Final 1 3.97 4.87 NR 4.884.834.916.343.97
First round 2 4.30 6.06 6.177.886.464.305.54
Sofia Spring 2019 Final 1 4.96 5.09 4.968.425.264.965.05
Macedonia Winter 2019 Final 2 5.56 5.75 6.135.745.715.795.56
First round 1 3.48 4.92 5.586.685.503.483.69
Macedonia Open 2018 Final 2 3.08 NR 5.43 5.656.923.723.087.08
Sofia Autumn 2018 Final 1 4.19 NR 4.88 NR 5.676.964.194.454.53

History of National Records

Single Average Competition Round Solves
Skewb
3.87 Tarnovo End Of Summer 2024 Final 5.123.223.994.053.56
3.92 Burgas Summer 2024 Final 3.104.934.703.263.79
2.23 We are Back Sofia 2022 Final
4.02 Lovech Winter 2019 Final 3.113.913.204.955.57
4.87 Sofia Autumn 2019 Final 4.884.834.916.343.97
3.08 Macedonia Open 2018 Final
4.19 4.88 Sofia Autumn 2018 Final 5.676.964.194.454.53

National Championship Podiums

Event Place Single Average Solves
Bulgarian Nationals 2024
Skewb 1 2.90 4.30 2.904.465.254.733.71
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