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People → Ukraine → Ihor Kastranets (Ігор Кастранець)

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Ihor Kastranets (Ігор Кастранець)

3×3 Fewest Moves · top 0.17% of 12,294 all-time · competing since June 2018 · 2018KAST02

Ihor Kastranets (Ігор Кастранець) has been competing for 8 years. His best event is the 3×3 Fewest Moves: a personal-best single of 18 moves, set at Podolian Open 2024, puts him in the top 0.17% of the 12,294 people who have ever been ranked in the event, and 1st in Ukraine. Across 41 competitions since June 2018, he has put 2,375 official solves on the record across 15 events. Solve to solve, his 3×3 times vary about 14% around a typical one; 69% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 21.78 in June 2018 to 6.81, a 69% improvement. Ihor has entered 41 competitions, more competitions than 99% of everyone who has ever competed.

3×3 Fewest Moves
best event — top 0.17% of 12,294 all-time
18 moves
signature single · Podolian Open 2024
2,375
official solves on the record
14%
solve-to-solve spread · wider than 69% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingUkraine
3×3 Fewest Moves18 moves22.00
top 0.17%1 / 222
Skewb1.322.91
top 0.24%4 / 884
Pyraminx1.522.98
top 0.44%7 / 1,471
Square-15.609.03
top 0.53%1 / 302
2×21.202.84
top 1.0%18 / 1,894
3×36.819.01
top 1.1%36 / 2,868
3×3 one-handed10.8714.74
top 1.7%13 / 755
Clock3.664.48
top 1.8%4 / 347
4×430.6534.31
top 3.2%34 / 867
5×559.851:08.81
top 5.4%27 / 425
Megaminx52.5056.70
top 6.2%29 / 424
6×62:17.052:21.56
top 19.0%35 / 169
3×3 blindfolded1:26.32—
top 21.7%36 / 177
7×73:45.413:59.75
top 25.5%35 / 135
3×3 Multi-Blind2 of 3 cubes · 26:03—
early days — 1 solve57 / 67

Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.

The line so far

Ukrainian Open 2018: 21.78Uzhgorod Summer 2018: 16.68Ukrainian Nationals 2018: 11.28Lviv Spring Days 2019: 12.56Zhytomyr Cube Battle 2019: 11.92Vinnytsia Cube Cup 2019: 11.11Cubes Masters Zhytomyr 2019: 9.52Frankivsk Open 2019: 9.52Cubes Masters Zhytomyr 2021: 10.39U24 Open September 2022: 10.24U24 Nationals 2022: 9.13Ternopil Science Cubing 2023: 9.29Ukrainian Open 2023: 9.36U24 Globus Open July 2023: 8.48That is Lviv 2023: 8.03Podolian Open 2023: 8.02Ukrainian Nationals 2023: 8.42Cube4fun Cubers Eve Tarnowskie Góry 2023: 8.80U24 Tetiana Day 2024: 8.71Chernivtsi Open 2024: 6.81Podolian Open 2024: 7.83Mriy Diy Cubing Lviv 2024: 8.17Uzhhorod Open 2024: 8.52Ukrainian Nationals 2024: 7.47Kyiv Side Events Winter 2024: 7.04Chernivtsi Open 2025: 8.60MriyDiy Cubing Lviv 2025: 8.24Ukrainian Nationals 2025: 9.72U24 Tetiana Day Kyiv 2026: 9.55Rubik's WCA European Championship 2026: 9.516.8121.781 Jun 201816 Jul 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.

The circuit

The people whose scorecards keep turning up next to his.

Next targets

  • A sub-1 Skewb single — 35 people have one; it is 0.32 away.
  • A sub-1 Pyraminx single — 49 people have one; it is 0.52 away.

Targets move as he improves.