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The Middle Three
People → Argentina → Federico da Fonseca

People · Argentina

Federico da Fonseca

Skewb · top 0.12% of 73,281 all-time · competing since May 2015 · 2015FONS02

Federico da Fonseca has been competing for 11 years. His best event is the Skewb: a personal-best single of 1.17, set at Litoral Cubea 2023, puts him in the top 0.12% of the 73,281 people who have ever been ranked in the event, and 1st in Argentina. Until October 2015, no official Skewb solve in the world had been that fast. Across 81 competitions since May 2015, he has put 5,954 official solves on the record across 14 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 63% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 44.67 in May 2015 to 5.50, an 88% improvement. Federico has entered 81 competitions, more competitions than 99% of everyone who has ever competed.

Skewb
best event — top 0.12% of 73,281 all-time
1.17
signature single · Litoral Cubea 2023
5,954
official solves on the record
12%
solve-to-solve spread · steadier than 63% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingArgentina
Skewb1.172.39
top 0.12%1 / 405
3×35.508.11
top 0.25%5 / 1,694
Pyraminx1.683.13
top 0.65%4 / 830
2×21.172.51
top 0.95%12 / 1,203
Megaminx37.4543.32
top 1.1%8 / 314
4×427.5332.68
top 1.6%7 / 615
5×553.291:00.21
top 2.8%7 / 296
Square-17.9710.70
top 3.0%7 / 157
3×3 one-handed12.2915.91
top 3.4%18 / 598
6×61:48.751:55.53
top 6.7%8 / 110
7×72:47.853:03.80
top 7.3%6 / 98
Clock7.239.62
top 11.9%27 / 175
3×3 Fewest Moves37 moves37.67
top 37.3%33 / 83
3×3 blindfolded4:54.30—
early days — 1 solve73 / 95

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

UTN Otoño 2015: 44.67La Plata Open 2015: 20.71La Plata Open 2016: 12.34DST Verano 2017: 9.50Nacionales Uruguayas UCHI 2017: 12.14Santa Fe Autumn 2017: 11.74Masdos Returns 2017: 11.50Happy Winter MDQ 2017: 10.90MTD Spring 2017: 8.97Nacionales Uruguayas UCHI 2018: 10.71Happy Autumn MDQ 2018: 10.13Santa Fe Autumn V2 2018: 9.83Baires Centro Open 2018: 10.41Chaco De Invierno 2018: 9.41VCP Invierno 2018: 11.33Martelli Open 2018: 9.11Happy Spring MDQ 2018: 9.07Nacionales Argentinas 2018: 8.84Martelli Open Otoño 2019: 10.13Villa Carlos Paz Otoño 2019: 9.14Casal Catalunya Baires Open 2019: 8.96Santa Fe Invierno 2019: 9.79WCA World Championship 2019: 10.25Santa Fe Primavera 2019: 8.74Nacionales Argentinas 2019: 9.10Hernando Summer 2020: 8.82UTN Bisiesto 2020: 8.45Abierto de Navidad 2021: 8.36Güemes Open 2022: 9.29Santa Fe Open 2022: 8.45Mega Open Ciudadela 2022: 8.81Rubik's WCA South American Championship 2022: 8.63Abierto del Mirador 2022: 8.10FING Open 2022: 8.80Nacionales Argentinas 2022: 7.50Buenos Aires Cubea 2022: 5.93Cariló Open 2022: 6.90Tres Estrellas 2023: 8.17Di Tella Open 2023: 8.29Berisso al Cubo 2023: 8.20Santa Fe Cubea 2023: 8.19Litoral Cubea 2023: 8.96Di Tella Open v2 2023: 7.91Nacionales Argentinas 2023: 7.83Santa Fe O'Clock 2023: 8.33 NxN Di Tella 2024: 7.72Abierto de La Matanza 2024: 7.94Terrazas de Mayo Cubero 2024: 7.73Calentando Motores Di Tella Domingo 2024: 7.79Rubik's WCA South American Championship 2024: 8.46Córdoba Cubea 2024: 7.47Abierto del Mirador en Primavera 2024: 7.36Lomas de Zamora 2024: 7.46Rosario Siempre Estuvo Cerca 2024: 7.84Buenos Aires Fin de Año 2024: 6.54Pai Open VCP 2025: 7.10Lomas de Zamora 2025: 8.10Villa Riachuelo al Cubo 2025: 7.88Quilmes Aleatorio 2025: 7.98San Martín Autumn 2025: 7.28Monte Grande Cubea 2025: 7.65Entre Ríos Cubea 2025: 8.98Rubik's WCA World Championship 2025: 7.50Claret Cubea BA 2025: 7.03Abierto de Esteban Echeverría 2025: 7.43Warm Up Di Tella 2025: 8.47Nacionales Argentinas 2025: 7.28Que la Inocencia te BAlga 2025: 7.63Pascuas en la Di Tella 2026: 7.99MilaNxNesas en La MataNxNza 2026: 7.92Entre Ríos Cubea 2026: 5.50WCA South American Championship 2026: 7.12Ezeiza Cubea 2026: 8.165.5044.679 May 20155 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 0.17 away.
  • A sub-5 3×3 single — 344 people have one; it is 0.50 away.

Targets move as he improves.