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CFOP
The CFOP method (Cross – F2L – OLL – PLL), sometimes known as the Fridrich method, is one of the most commonly used methods in speedsolving a 3×3×3 Rubik's Cube. This method was first developed in the early 1980s combining innovations by a number of speed cubers. Czech speedcuber and the namesake of the method Jessica Fridrich is generally credited for popularizing it by publishing it online in 1997. The method works on a layer-by-layer system, first solving a cross typically on the bottom, continuing to solve the first two layers (F2L), orienting the last layer (OLL), and finally permuting the last layer (PLL). There are 78 algorithms in total to learn for OLL and PLL but there are other algorithm sets like ZBLL and COLL that can be learned as an extension to CFOP to improve solving efficiency. History Basic layer-by-layer methods were among the first to arise during the early 1980s craze. David Singmaster published a layer-based solution in 1980 which proposed the use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Speedcubing
Speedcubing (also known as speedsolving, or cubing) is a competitive sport involving solving a variety of combination puzzles, the most famous being the 3x3x3 puzzle or Rubik's Cube, as quickly as possible. An individual who practices solving twisty puzzles is known as a speedcuber (when solved specifically focusing on speed), or a cuber. For most puzzles, solving involves performing a series of moves or sequences that alters a scrambled puzzle into a solved state, in which every face of the puzzle is a single, solid color. Competitive speedcubing is mainly regulated by the World Cube Association (WCA). The WCA currently recognizes 17 speedcubing events: the cubic puzzles from the 2x2–7x7, the Pyraminx, Megaminx, Skewb, Square-1, and Rubik's Clock, as well as the 3x3, 4x4, and 5x5 Blindfolded, 3x3 One-handed, 3x3 Fewest Moves, and 3x3 Multi-blind. , the 3x3x3 world record single is 3.47 seconds held by Yusheng Du. The 3x3x3 world record average is 4.86 seconds, tied by Max ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Speedcubing
Speedcubing (also known as speedsolving, or cubing) is a competitive sport involving solving a variety of combination puzzles, the most famous being the 3x3x3 puzzle or Rubik's Cube, as quickly as possible. An individual who practices solving twisty puzzles is known as a speedcuber (when solved specifically focusing on speed), or a cuber. For most puzzles, solving involves performing a series of moves or sequences that alters a scrambled puzzle into a solved state, in which every face of the puzzle is a single, solid color. Competitive speedcubing is mainly regulated by the World Cube Association (WCA). The WCA currently recognizes 17 speedcubing events: the cubic puzzles from the 2x2–7x7, the Pyraminx, Megaminx, Skewb, Square-1, and Rubik's Clock, as well as the 3x3, 4x4, and 5x5 Blindfolded, 3x3 One-handed, 3x3 Fewest Moves, and 3x3 Multi-blind. , the 3x3x3 world record single is 3.47 seconds held by Yusheng Du. The 3x3x3 world record average is 4.86 seconds, tied by Max ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CFOP Cross
The CFOP method (Cross – F2L – OLL – PLL), sometimes known as the Fridrich method, is one of the most commonly used methods in speedsolving a 3×3×3 Rubik's Cube. This method was first developed in the early 1980s combining innovations by a number of speed cubers. Czech speedcuber and the namesake of the method Jessica Fridrich is generally credited for popularizing it by publishing it online in 1997. The method works on a layer-by-layer system, first solving a cross typically on the bottom, continuing to solve the first two layers (F2L), orienting the last layer (OLL), and finally permuting the last layer (PLL). There are 78 algorithms in total to learn for OLL and PLL but there are other algorithm sets like ZBLL and COLL that can be learned as an extension to CFOP to improve solving efficiency. History Basic layer-by-layer methods were among the first to arise during the early 1980s craze. David Singmaster published a layer-based solution in 1980 which proposed the use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jessica Fridrich
Jessica Fridrich is a professor at Binghamton University, who specializes in data hiding applications in digital imagery. She is also known for documenting and popularizing the CFOP method (sometimes referred to as the "Fridrich method"), one of the most commonly used methods for speedsolving the Rubik's Cube, also known as speedcubing.Specializing in Problems That Only Seem Impossible to Solve By Bina Venkataraman, Published: December 15, 2008, The New York Times She is considered one of the pioneers of speedcubing, along with . Nearly all ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rubik's Cube
The Rubik's Cube is a Three-dimensional space, 3-D combination puzzle originally invented in 1974 by Hungarians, Hungarian sculptor and professor of architecture Ernő Rubik. Originally called the Magic Cube, the puzzle was licensed by Rubik to be sold by Pentangle Puzzles in the UK in 1978, and then by Ideal Toy Company, Ideal Toy Corp in 1980 via businessman Tibor Laczi and Seven Towns founder Tom Kremer. The cube was released internationally in 1980 and became one of the most recognized icons in popular culture. It won the 1980 Spiel des Jahres, German Game of the Year special award for Best Puzzle. , 350 million cubes had been sold worldwide, making it the world's bestselling puzzle game and bestselling toy. The Rubik's Cube was inducted into the US National Toy Hall of Fame in 2014. On the original classic Rubik's Cube, each of the six faces was covered by nine stickers, each of one of six solid colours: white, red, blue, orange, green, and yellow. Some later versions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feliks Zemdegs
Feliks Aleksanders Zemdegs (, lv, Fēlikss Zemdegs; born 20 December 1995) is an Australian Rubik's Cube speedsolver. He is the only speedcuber ever to win the World Cube Association World Championship twice, winning in 2013 and 2015, and is widely considered the most successful and greatest speedcuber of all time. He has set more than 350 records across various speedcubing events: 121 world records, 210 continental records, and 6 national records. Biography Feliks Zemdegs is of Latvian descent and his maternal grandmother is Lithuanian. Zemdegs bought his first speedcube in April 2008 after being inspired by speedcubing videos and tutorials on YouTube. The first unofficial time he recorded was an average of 19.73 seconds on 14 June 2008. He has been using CFOP to solve the 3×3×3 since he was 12 years old, the Yau method to solve the 4×4×4 and 5x5x5, the CLL method to solve the 2×2×2, and the Reduction method for 6x6x6 and 7×7×7. Zemdegs won the 3×3×3 event ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Layer By Layer
Layer-by-layer (LbL) deposition is a thin film fabrication technique. The films are formed by depositing alternating layers of oppositely charged materials with wash steps in between. This can be accomplished by using various techniques such as immersion, spin, spray, electromagnetism, or fluidics. Development The first implementation of this technique is attributed to J. J. Kirkland and R. K. Iler of DuPont, who carried it out using microparticles in 1966. The method was later revitalized by the discovery of its applicability to a wide range of polyelectrolytes by Gero Decher at Johannes Gutenberg-Universität Mainz. Implementation A simple representation can be made by defining two oppositely charged polyions as + and -, and defining the wash step as W. To make an LbL film with 5 bilayers one would deposit W+W-W+W-W+W-W+W-W+W-W, which would lead to a film with 5 bilayers, specifically + - + - + - + - + - . It is important to note that the representation of the LbL technique a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Singmaster
David Breyer Singmaster (born 1938) is an emeritus professor of mathematics at London South Bank University, England. A self-described metagrobologist, he has a huge personal collection of mechanical puzzles and books of brain teasers. He is most famous for being an early adopter and enthusiastic promoter of the Rubik's Cube. His ''Notes on Rubik's "Magic Cube"'' which he began compiling in 1979 provided the first mathematical analysis of the Cube as well as providing one of the first published solutions. The book contained his cube notation which allowed the recording of Rubik's Cube moves, and which quickly became the standard. He is both a puzzle historian and a composer of puzzles, and many of his puzzles have been published in newspapers and magazines. In combinatorial number theory, Singmaster's conjecture states that there is an upper bound on the number of times a number other than 1 can appear in Pascal's triangle. Career David Singmaster was a student at the Californi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1982 World Rubik's Cube Championship
The 1982 World Rubik's Cube Championship was a competition for speedsolving the 3×3×3 Rubik's Cube. It was held in Budapest, Hungary, on 5 June 1982. Contestants selected from 19 countries took part. Minh Thai from the United States of America was the winner with a best time of 22.95 after three attempts for each contestant. The top attempt of three was taken as the competitor's score. First prize was a gold-plated Rubik's Cube. Writing shortly afterwards, David Singmaster who was one of the judges, described the competition as being efficiently organized, although at one point power for the TV and the display timer failed in the middle of a trial. The cubes were selected by Ernő Rubik himself, and according to Singmaster "competitors described them as pretty good". However, writing around 20 years later, Jessica Fridrich Jessica Fridrich is a professor at Binghamton University, who specializes in data hiding applications in digital imagery. She is also known for documen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mats Valk
Mats Valk (born 4 May 1996) is a Dutch Rubik's Cube speedsolver. He broke the Rubik's cube single solve world record twice with times of 5.55 seconds in 2013 and 4.74 seconds in 2016. He won the Rubik's Cube European Championship in 2018 and was runner-up for 3x3x3 at the Rubik's Cube World Championships in 2013 and 2015. Biography Valk was born and raised in Amstelveen, the Netherlands, a suburb of the Dutch capital Amsterdam. Valk is most famous for breaking the Rubik's cube world record twice and being the runner-up at both the Rubik's cube world championships of 2013 and 2015. He first broke the world record with a time of 5.55 seconds at the Zonhoven Open 2013 in Belgium on 3 March 2013. This record stood for over 2 years. He later broke the world record again with a time of 4.74 seconds at the Jawa Timur Open 2016 in Indonesia on 6 November 2016. In December 2016, Valk looked on as Feliks Zemdegs Feliks Aleksanders Zemdegs (, lv, Fēlikss Zemdegs; born 20 Decemb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tymon Kolasiński , name
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Tymon is a surname and male given name. Notable people with this name include: Surname * Angelle Tymon (born 1983), American broadcast journalist and game show host * Josh Tymon (born 1999), English football player Given name * Tymon Dogg, English musician * Tymon Mabaleka (1949–2014), Zimbabwean football player and music producer * Tymon Tytus Chmielecki (born 1965), Polish Catholic prelate * Tymon Zaborowski (1799–1828), Polish poet * Tymon de Weger (1955 in Delft), Dutch politician Other * Tymon Park, Dublin, Ireland See also * Timon Timon is a masculine given name and a surname which may refer to: People * Timon of Athens (person), 5th-century Athenian and legendary misanthrope * Timon of Phlius (c. 320 BCE – c. 235 BCE), a Pyrrhonist philosopher of Ptolemaic Egypt and He ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Max Park
Max Park is an American Rubik's Cube speedsolver who is currently tied with Tymon Kolasiński of Poland for the world record average of five 3×3×3 solves (by WCA standards), 4.86 seconds, set on 24 September 2022. Park first held this record from 23 April 2017 to 28 June 2017 and was the only cuber other than Feliks Zemdegs to hold the record between 27 September 2009 and 5 June 2021.World Cube Association 3×3×3 History/ref> Park has also set multiple world records in speedsolving the 4×4×4, 5×5×5, 6×6×6, and 7×7×7 cubes, and the 3×3×3 one-handed.World Cube Association Max Park Records/ref> As of 20 November 2022, he has won 391 total events in World Cube Association competitions. Early life Max Park was born on November 28, 2001, in Cerritos, California. When Park was two years old, he was diagnosed with moderate to severe autism. His parents, Miki and Schwan Park, were told that he might need lifelong care. Park's motor skills were severely impaired because of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
