OLL stands for Orientation of the Last Layer. To form the yellow cross from this starting position, we use the two already mentioned algorithms, in any order. It's difficult at first, but with some practice, anyone can have world-class cross solutions (seriously). The Easiest Way to Memorize the Algorithms of Rubik's Cube. 0/4. CFOP stands for Cross, F2L, OLL, PLL (Cross, First 2 Layers, Orientation of Last Layer, Permutation of Last Layer). The earlier finger tricks show how you should turn most of the time, and later in the video there are more ways to do moves faster or without regrips. 5 step 3 : How to solve the second layer of the cube. the corners in the top layer, 3. We can use the exact same algorithms but here we have to form a star, not a cross on the top of the puzzle. If you are ever confused, you can watch the example solve video above as it shows the full process. Step 5 - making a yellow cross on the top of the Rubik's Cube. The Rubik's Cube has six sides. This guide will focus on the standard 3 by 3 by 3 cube. Scrambler to practice your Cross and First 2 Layer. Scrambled cube -> C ross -> F 2L -> O LL -> P LL -> Solved cube. 8 step Rubik's Cube solution overview. 00. Best free website and app for desktop, mobile, android, apple ios iphone and ipad. Rubik’s Cube OLL Fish Algorithms PDF download . A move to turn an outer layer two quarter (90°) turns in the. Once you have the cross, you’ll now align it with center dots in the second layer. Step 1: Centers. At present, many encryption algorithms for color images either decompose color images into three gray images and encrypt them, respectively, or combine R, G, B channels into a two-dimensional image matrix before encryption. Members Online A $63 haul from an exhibitionFirst Two Layers, or F2L refers to the first two bottom layers of the 3x3x3 cube, or essentially all layers up until the last layer on larger cubes. We divide the Rubik's Cube into 7 layers and solve each group not messing up the solved pieces. Business Email dylanqwang@gmail. Tutorials . The three letters F. Good white cross. Step One! The White Cross Introduction Similar to a lot of things in technology, solving the Rubik's cube is best done by breaking it down into a series of smaller problems and progressively working towards completion. The most advanced tips to have faster cross solutions! If this video is too advanced, check out the previous video: the fourth lesson on the Rubik's Cube (the penultimate solving lesson), progress is made on the top layer, continuing on from the previous lessons in which the first two layers were solved. Give the top layer of the Rubik’s Cube 2 clockwise turns. F2L algorithms are used to solve the first 2 layers of a Rubik’s cube. Solve the rest of the edge pairs one at a time using the same method as for the first edge. Proceed to the “Orienting the Top Corners” step. Another approach is OCLL + PLL which has 28 algorithms and COLL + EPLL which has 46 algorithms. Identify the already oriented edge pieces of the top layer and match with the Cases given below, and perform the algorithm to complete the cross. In this article, I’ll cover some of the most common methods for solving a Rubik’s cube, including beginner methods and advanced algorithms. In this stage of the Rubik's Cube solution we have have to fix this by repositioning these cubelets. Written backwards: U L2 U2 B F’ L2 U2 L2 B’ F U. This might be the hardest part, as there's no formula. The easiest Rubik's Cube solution. Scramblers are imperative in cubing. Back Left. To complete our cube we will use the same algorithm we used to solve the first layer corners but with a little trick: R' D' R D. Any steps within the Fridrich method (Cross/Plus, F2L, OLL, PLL) The Fridrich (or CFOP) method is the most commonly used speedsolving method due to its efficiency, simplicity and low-algorithm knowledge requirements. AF2L 1 Trapped Corner Setup: S R S' Front Right. The X-Cube is not a cube - it isn't even a regular polyhedron. Practice the moves, memorize the algorithms until you can solve the Rubik's Cube without help. CFOP is the most frequently used speedsolving method for the 3x3x3 cube . The orientation of your last layer edges has three possible cases: F R U R' U' F' F U R U' R' F' Do both of the above algorithmsYELLOW CROSS. The CFOP (Abbreviation for Cross – F2L – OLL – PLL) method, also known as the Fridrich method, was named after one of its inventors, Jessica Fridrich, who finished second in the 2003 Rubik's Cube World Championships. algorithm three times (two times starting with The L and a single time starting with The Line). Solutions to resource allocation problems in distributed systems are examined with respect to the measures of response time, message complexity, and failure. This will essentially solve the first layer. It is not quite guaranteed that every algorithm matches the case. Page 26 CONGRATULATIONS!Learn how to solve the Rubik's Cube and similar puzzles from two time World Champion speedcuber Feliks Zemdegs. HOW TO SOLVE A RUBIK’S CUBE Advanced Method This is full CFOP (or Fridrich) method. Solving the white cross is the first step. (There are various clever tricks to speed this up. Learn how to solve the Rubiks Cube in seconds. They have 2 stickers and always stay on the edge. the edges in the middle or horizontal layer, 4. [1] Notice (going clockwise) the Red, White, and Blue faces of the cube are on one side and the Green, Orange, and Yellow faces are on another. Introduce the Rubik’s cube by giving a. At this point, your centers and tips must all be yellow. 2. STEP 2 - COMPLETE THE FIRST LAYER CORNERS. Cross to F2L. F R U R’ U’ F’ 2) 3 cubs set up in an ‘L’ shape. 1) If you notice that all opposite edges are in correct place but in such a way that if you set one pair correctly then. To solve the hardest. Simple Solution to Rubik's Cube. Step 3 - finishing the first layer. Many of them are complicated. : My competition tutorial If you have never been to a competition, and would like to know what to do when, etc. My beginner solution already shows you 2 of the 4 last layer edge permutation algorithms, the other two last layer edge permutation algorithms are Case #5 and Case #17 on Dan Harris' PLL page. Rememb er this algorithm as FUR says U’R’F’. The rest of the pages work towards solving the cube. 2R2 B2 U2 2L U2 2R' U2 2R U2 F2 2R F2 2L' B2 2R2. Start with a fully solved cube in any orientation. Knowing more finger tricks can help you turn more smoothly and quickly. #1 is blue X 2 for U 2 (blue R' F R F' times 2) + 2 - U's. Match the last tip colors with the other colored centers around it. How to solve a Rubiks Cube Algorithms Favorites Recognition Timer Cross + F2L. Two-look refers to the technique of doing this maneuver in two parts, which gives you 11 algorithms to learn, as opposed to the 57 algorithms for traditional OLL. Cross to F2L. Bad white cross. represent clockwise moves. The Rubik’s cube is solved using the following 5 steps: STEP 1 - COMPLETE THE FIRST LAYER CROSS. D = Turn the bottom row of the face. CFOP speedsolve in a speedcubing competition. Move the completed centers to the left and right sides to keep them out of the way. You need to check first which corner piece will come on which side. In most cases you'll need 6 rotations to complete this phase, and you should never need more than 8. Learn how to solve the Rubiks Cube in seconds. Memorize. Daily Life Hacks. It's difficult at first, but with some practice, anyone can have world-class cross solutions (seriously). Free online speedcubing algorithm and reconstruction database, covers every algorithm for 2x2 - 6x6, SQ1 and Megaminx. Trapped Edge. This first piece determines the position of the other three: FR edge belongs to DR: R'; DL to DB: LB; finally, FL to DB: DF'. Familiarize yourself with the Rubik's Cube. If you use special algorithms for it. PLL (Permutation if Last Layer): Correctly. This step is fully algorithmic, and consists of 57 cases. 7 Solution step 6 : Solve the corners. See the piece marked with X staying in place while the other three unsolved pieces change their position. 3x3 Videos 3x3 Algorithms 3x3 One. 00 USD. finish the yellow cross with the following algorithm. To finish the 1st layer, the corners with the white stickers need to be put into place. The first thing to do is to become accustomed to your cube. . SpeedCubeDB. Case 3. At the end of this step, the first layer should be complete, with a solid color (in this case, white) at the bottom. face and apply the algorithm above. Rubik’s Cube 3yo Slap Method Algorithms PDF download. Alternatively you can download a digital copy here >> Print Friendly PDF - Rubik's cube Beginners Guide. Easy CLS Algorithms. CROSS Holding your rubik’s cube Match your Rubik’s Cube to one of the pictures below. Rubik’s Cube OLL Fish Algorithms PDF download . This can also be used in solving the 4x4. Step 1- Cross and 3 corners. Learn how to solve a 3x3 cube firstThe CFOP (Cross, F2L, OLL, PLL) method is widely considered to be the fastest algorithm for solving the 2×2 Rubik’s Cube. The have 3 stickers and always stay. These steps are the following: Cross, F2L, OLL and PLL, as seen on the illustration above. This algorithms keeps one corner in place and swaps the other 3. This tutorial describes a simple beginner method for solving the Rubik's cube, requiring memorisation of only one short algorithm. See all steps Step 3: How to solve the second layer of the Rubik's Cube (F2L) Until this point we could work intuitively without any algorithm to memorize, but in this stage when we're solving the second layer (first two layers - F2L) of the Rubik's Cube people usually get stuck because there are too many moves to foresee in order to complete this step. This stage will solve the entirety of the cube except the last four corners. The cross 2D hyperchaotic map is constructed using one nonlinear function and two chaotic. Bad white cross. Make sure the piece you are working with is below the center you want it to be on. When holding the cube with one corner pointing at you, the top side is called the U face. (Note: if you see the fullbar, it does not mean you skipped PART 1. Step 1: Create White Cross. In the previous step we created a yellow cross on the top of the Rubik's Cube but probably the yellow edges are not all fitting to the colors of the side center pieces. You may need to apply the algorithm more than once. Impress your friends by solving your Rubik's Cube even faster using the advanced speedcubing method! Learning algorithms has never been more enjoyable! Beginners; Speedcubing;. Learning a method is not cheating. If this is the case, then apply the above algorithm from any. White face always down A Rubik's Cube algorithm is an operation on the puzzle which reorients its pieces in a certain way. Know two methods/algorithms Materials Class set of Rubik’s Cubes Pages 1 and 2 (Stage 1: GET TO KNOW YOUR RUBIK’S CUBE) of Solution Guide for each student Page 3 (Stage 2: SOLVE THE WHITE CROSS) of Solution Guide for each student Homework Activity ONE Pencils and Paper Procedure 1. Lightning Shapes. It is best to start with 2 look OLL and navigate your way around the full OLL ( Learn 2. This method was first developed in the early 1980s combining innovations by a number of speed cubers. Two look OLL is a smaller subset which orients the top layer in two stages. The patent was purchased by Ernő Rubik and marketed in 1988. What would be a relatively easy algorithm to code in Java for solving a Rubik's cube. The algorithm involves rotating the cube until you find a white edge piece that belongs to the white center. Step 1: Our goal is to form a cross at the bottom of the Rubik's Cube in a way that the sides of the white edges match the lateral centre pieces. 4x4 parity occurs on the last layer of a 4x4, where you get a case that is impossible to get on a 3x3 so you need a specific algorithm to solve it. Algorithms CFOP F2L; F RU F' OLL; PLL. Fix the centers. Don’t proceed unless you can say the seven words out loud. To form the yellow cross from this starting position, we use the two already mentioned algorithms, in any order. When the tips are OK, deep turn the puzzle to make the three center colors match on all faces. You probably won’t start with the white face finished, so remember that a face’s color is determined by the center cube. The idea. As you hold the cube in front of you, these planes are identified as front (F), top (T), right (R), left (L), back (B), and down (D). Step 4: First Layer. The Algorythmus for the third pic is: L' D2 L D L' D' L. R2 U2 B' L2 F2 D2 B L2 F' D2 U2 L U L2 F2 D' F2 D' U R D (Cross on R) Not super easy, but there are a few different ways we can build this one. 4x4 notation is based on 3x3 notation. Squares (r' U2' R U R' U r) S1 - 5 - Probability = 1/54There are many other twisty puzzles out there. Summary: This book constitutes the refereed proceedings of the 14th Algorithms and Data Structures Symposium, WADS 2015, held in Victoria, BC, Canada,. Now you will complete the first layer. Step 6 - moving the edges to match the sides. Choose one color you want to start with. With some practice, you should be able to solve the cube in about 2-4 minutes. The Rubik's Cube is a 3-D combination puzzle originally invented in 1974 [2] [3] by Hungarian sculptor and professor of architecture Ernő Rubik. Algorithms Cheat Sheet. Don't spin the cube. 4x4 OLL Parity Algorithms. Each face of the Rubik's cube is notated with it's first letter: R ight, L eft, U p, D own, F ront, B ack. Mastering the speedsolving method requires learning some new algorithms and practice, and takes a bit longer than the beginner's method. Step 1 - a white lily on the Rubik's Cube. . In this case, pretend that you’re tinkering with a generic, 3x3x3 cube instead of the more complex puzzle. Insert the cross edge into the bottom layer to complete the cross. Case 1. Learn how to solve the Rubik's Cube and similar puzzles from two time World Champion speedcuber Feliks Zemdegs. Below are the 3x3 moves for reference, but keep in mind that there is also different notation for big cubes (4x4 cube and up) mentioned in the video. This tutorial describes a simple beginner method for solving the Rubik's cube. 1 Fridrich method : Advanced solution for Rubik's cube 3x3. Case 1. Free online speedcubing algorithm and reconstruction database, covers every algorithm for 2x2 - 6x6, SQ1 and Megaminx including F2L, OLL, PLL, COLL, ZBLL, WV and much more Cross Trainer - Speed Cube Database We solve the yellow edges on the top of the Rubik's Cube in two steps: First we orient them to form a yellow cross on the top (4. Many of these cases are very similar to each other (mirrors) and therefore use similar solutions. This is the correct positioning to perform the algorithm to fix the last layer. It is best to start with 2 look OLL and navigate your way around the full OLL ( Learn 2. L = Turn the left column of the face. If you want to get even faster, you should learn How to do Finger Tricks and learn the CFOP Method. 2 Classic Rubik’s Cube Figure 1: Classic Rubik’s Cube Notation. 3700+ Rubik's Cube algorithms. Here are a few examples which you might be facing while solving your Rubik's Cube when you want to move a white corner piece to the top layer. Step 2 - the white cross. Yellow edges done. We will solve the cube by layers, which are 3, the resolution of each layer has its steps that make a total of 7 steps. This step contains 116 algorithms averaging around 8. f,r,u,r',u',f' Add Tip Ask Question Comment Download. LL: Solve the last layer using any LL method. the edges in the bottom layer, and 5. Step 2: Orient Yourself With the Cube (Part 2/2) The common mistake that people will have when learning to solve the Rubik's Cube is that they only focus on ONE COLOR. In this paper, we show that the Rubik’s. There are many free Rubik’s Cube timers available online. Step 1: Solve the White Edge Pieces in the First Layer. Cross, First 2 Layers, Orientation, Permutation (CFOP) is the most popular method for speedsolving the Rubik's Cube. The algorithm we must know for this. 10 OLL algorithms with memory tricks to make them super easy to learn! Check below for more tutorials to get faster. Opposite to the R face is the L face, opposite to the U. An easy to follow beginners introduction to solving the Rubiks Cube. The algorithm for solving the 3x3 Rubik's Cube involves a series of steps that must be executed in a specific order. – The second algorithm is fewer moves, but less intuitive and less finger-friendly. Use this algorithm to go from one. 0/18. Step 2, the white corners. Use (R U2) (R’ U’R’ U’R’) if you see 1 yellow piece in the right hand corner. ⯀ Test your twisty puzzles knowledge filling the Rubik's Cube quiz (24 questions). There are two ways to execute F2L, intuitive and algorithmic. Or even if you do, the simulator gives a new solving experience. COM. ». If so, execute “T-Perm. either be done whilst holding the cross on the bottom face or on the left face, and is a pretty straightforward step. However, an X-cross on red is: z y U’ F2 R D F D2 R B. This is the standard setup for newer, standard cubes. Beginner Rubik's Cube Tutorial The MirIS Method. An algorithm for one of these steps can involve anywhere from 7 to 17 moves. Learn the letters which are used to mark the rotations of the faces to describe the algorithms. (Note: if you see the fullbar, it does not mean you skipped PART 1. Second algorithm inserts the edge. White corners. Intuitive F2L (First Two Layers) Algorithms. The World Cube Association governs competitions for mechanical puzzles that are operated by twisting groups of pieces,. Step 1 - The White Cross. The algorithm switches the front. D – Down. Remember, however, that the following procedures will also apply to other kinds. Rubik's Cube - How to swap 2 middle layer pieces, it can affect the top, but not the bottom. Free online speedcubing algorithm and reconstruction database, covers every algorithm for 2x2 - 6x6, SQ1 and Megaminx. Diag Corner Swap. F2L Algorithms (Different slot positions) Advanced Useful F2L Algorithms. With some practice, you should be able to solve the cube in about 2-4 minutes. SpeedCubeDB. Get to know the Rubik's Cube. Action 1 Follow this algorithm. PLL2: Once the corners are paired and placed, use an “H-” “Z-” or “3-Perm” to place the centers and finish. 2. 3 Solution step 2 : Finish the first layer. Rather than move to the right hand and reorient until it is correct you can straight away place the piece with your left hand. Try me. Select the number of moves required to solve the cross: Tap (or press Space) and hold to start. In this blog, I’ll be assuming the. Printable Version. I typed this up to show as an example of an ALGORITHM. Install App? Show all F2L 2LOLL OLL 2LPLL PLL COLL. Algorithms CFOP F2L; F RU F' OLL; PLL; Last Layer. The cross algorithm is used to do this. A lowercase letter such as r or u means that you move the inner layer of that side. This is whichever side is opposite the right from where you’re holding the cube. The point of PART 1 is to get headlights on all sides of the cube, NOT the fullbar. They will orientate all of the pieces so they all face the same direction. This is the second step of the Fridrich method (CFOP). The reason for that is that you would have to foresee too many steps to complete the first two layers (F2L). See all steps Step 2: How To Solve The White Corners In The First Layer. The Quantum Algorithms Institute was established in British Columbia in 2020 to address the challenges and opportunities presented by the advent of commercial scale quantum. Step 2 - the white cross. com. Suggested algorithm here Set up F 2L pair // Solve F L pair It is not recommended to learn any of these algorithms before learning intuitive F2L. STEP 4 - COMPLETE THE. If you’re looking to start out easy, use this technique called the White Cross. Solution for 4x4 magic cube and speed cube twisty puzzle. y x’ L2 U (R U’ R B) D’ R2’. URF is counter clockwise. It is important to learn the notations for the. We offer an algorithm database, a reconstruction tool, a timer, and an algorithm trainer. The algorithm involves rotating the cube until you find a white edge piece that belongs to the white center. That state is not possible/solvable. 2 Learn F2L. if you see one on the right this is what you do: match the other side of the sticker to its center color, and do the following algroithm: L, Ui, Li. There are two types of rotations clockwise and anti-clockwise. The white side will be on the bottom for the remainder of the solution. For example, solve 1. You took apart the puzzle and assembled it incorrectly. We want to make The Daisy first - white edges with the yellow sticker in the middle. STEP 3: MIDDLE LAYER EDGES First algorithm inserts the edge from top to the middle in the front. Do algorithm 3 times. In the fourth step we want to form a yellow cross on the top of the cube. Besides the solved position there are three other possible patterns: a dot, an "L" shape or a line as illustrated below. 1. a Fridrich Method. First, we need to scramble the cube. How to Make a Cross Pattern on the Rubik's Cube: Today I will be showing you how to make a cool looking cross pattern in a few simple steps! :D. If it is on the Left, do the same thing and do the following algroithm: R, U. Part 4: Last Layer Cross Your first objective is to orient the last layer edge pieces so they all have yellow facing up, forming a yellow cross on the last layer. I have added a few “Intermediate Method” algorithms that have been heavily requested since I have yet to make the “Intermediate Method” video and web post. Rotate the right side of the cube once clockwise. Alternative algorithms here OLL Case Name It is recommended to learn the algorithms in the - Probability = 1/x Round brackets are used to segment algorithms to assist memorisation and group move triggers. It flips the two edge pieces as well as the corners. Turn the left side of the Rubik’s Cube once clockwise. Each orientation will give you a different coloured pattern. Step 8 - turning the corners and completing the Rubik's Cube. 5) Edge pieces, which have 2 colors. Go to our algorithms list. 5 Rubik's cube Solution step 4 : Yellow cross on the top layer. Focus on the YELLOW edges on the UP (U) face only (not corners). OCLL. I have added a few “Intermediate Method” algorithms that have been heavily requested since I have yet to make the “Intermediate Method” video and web post. First, the edges are oriented - There are 3 possible. Checkerboard -. It is arguably one of the simplest puzzles that is currently speedsolved in official WCA competitions and there has been quite a lot of discussion surrounding its future as an official event due to being completely different. Love it or hate it, The Rubik's cube is one of the world's most popular puzzles . The definition is a little different depending on the subject or who you are talking to. The orientation of your last layer edges has three possible cases: F R U R' U' F' F U R U' R' F' Do both of the above algorithms Look for a yellow corner which is on the right position, then hold the cube in your hands with this one in the front-right-top and execute the algorithm below. For algorithms to be as fast as possible, you need to do turns quickly, and don't waste time changing your grip. The Rubik's Cube, originally called the "Magic Cube" is a a 3-D mechanical twisty puzzle invented and licensed by Hungarian sculptor and professor of architecture Erno Rubik in 1974. if the face is followed by a 2 like in R2, it means 180 degrees counter-clockwise rotation. Any questions, join the discord and we'll help you out! Link below. Rubix Cube Games. Step 8: Arrange the Yellow Cross. 8 Upgrade your Cross (Advanced techniques, Cross + F2L, X-Cross). Get the corner in place with like colors like in the photo and do this algorithm. Step 2: Remaining four centers. 4 Step 2 : Solve the first layer of the Rubik's cube. Finally, we show that nding this optimal solution becomes NP-hard in an n n 1 Rubik’s Cube when the positions and colors of someZBLL AS. The next step in solving a rubik’s cube is solving the white corners. Replace the moves with the inverse rotations: U’ L2 U2 B’ F L2 U2 L2 B F. I suggest you try to solve the first face without reading these. At first glance, the X-Cube appears to be a subset of a 5x5x5 cube, and one might assume that techniques for solving a 5x5x5 would apply equally well to the X-Cube. To practice use the Cross algorithm scrambler. They will always stay in the middle and never move. The result was either three yellow edges or one yellow edge. The puzzle's internal mechanism is nearly identical to that of the Rubik's Cube, although it differs from normal 3×3 cubes in that all. 6 Step 4: A cross on the last layer too ! 7 Step 5 in how to solve the Rubik's cube : edges permutation. It’s very easy and this will help you in getting comfortable with Rubik’s cube. Recon Tool. The beginner’s method roughly looks like this: via Muk. Intermediate Intermediate Last Layer. Bo2 / Ao5. The Rubik’s Clock is a puzzle invented and patented in the 1980’s. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Press Copyright Contact us Creators Advertise. Step 5 - making a yellow cross on the top of the Rubik's Cube. Close your eyes and try to repeat: “Clock, Clock, Counter” “Clock, Clock, FLIP, Counter”. The student is then invited to choose a cross colour. (what looks like a cross shape) F2L: Solving the first two layers completely (not hard as it sound:) ) OLL (Orientation of Last Layer): Correctly orienting the last layer corner & edge pieces. If the pieces didn't get where they belong do the algorithm one more time. It also moves other edge pieces in the top layer. F2L 4 R U R' Reposition Edge. Last Layer Algorithms. Here’s what you’ll need to do to solve a Megaminx. First we will orient the edge pieces and then the corner pieces. Step 6. Toggle navigation. Knowing this algorithm and what we already used in the beginner method will allow us to move from the L-position and the I-position directly to the cross. The 41 possible cases in this step can be solved. Another common method for solving a corner is to have it above the slot it needs to go in and repeat R U R’ U’ until it is solved. There are 4 corners with white stickers, and they can be put into place 1 of 3 ways. algorithms. Move the misaligned yellow corners one by one to the highlighted position rotating the top layer and do R' D' R D until the current piece is solved. FRONT FACEView your 2x2 Rubik’s Cube from the top. The beginner method is the best way to solve a Rubik’s cube as a beginner. we’ll use the following algorithm whilst our yellow cross is facing upwards: Algorithm 4 right top right* top right top top right* If we perform it correctly, the yellow face will change, whilst the two bottom layers remain intact. Do this for every edge until you have a white cross on top. There's a short algorithm we have to use: F R U R' U' F'. However, an X-cross on red is: z y U’ F2 R D F D2 R B. Part 4: Last Layer Cross Your first objective is to orient the last layer edge pieces so they all have yellow facing up, forming a yellow cross on the last layer. Step 5 - making a yellow cross on the top of the Rubik's Cube. The Algorythmus for the second pic is: L' D' L. In most cases, it will be to make all of the yellow sides of the top layer face upwards. STEP 2 - COMPLETE THE FIRST LAYER CORNERS. The Cross's name and purpose are explained in the presentation and the difficulty of the stage is mentioned. Then apply the algorithm (can take 2 to 3 times) and you should get a correct yellow face. Practice Rubiks cube solutions, algorithms, solver, formula, timer, speedcubing and more.