When you're comfortable with the solution, press 'Start Predicting'. This will reveal one image of the cube before the solution is applied, with F2L solved and an OLL case on top, along with 3 images below it. One of the images shows correctly how the OLL ends up, while the others do not. Your goal is to identify which image is the correct one
Advanced Options
How to Use the OLL Predicter Trainer
What is this trainer?
The OLL Predicter helps you build lookahead skills by practicing how to predict what the cube will look like after applying an OLL algorithm.
Settings:
Use these settings to customize your training:
Bottom/Front Color: Select the bottom face color based on your preferred cube orientation.
OLLs per round: Choose how many OLL cases you get per F2L algorithm.
Advanced Options: Customize the algorithm list or choose a preset. You can also enable special modes like ZBLS (which solves edge orientation every time) or lock edge/corner orientations to focus your practice.
How to use:
Configure Settings: Adjust the options to match your preferences.
Start: Click "Start" to pick a random OLL algorithm from the list.
Study the Algorithm: Review the algorithm to understand what it does.
Start Predicting: Click "Start Predicting" to begin. You'll use the same algorithm for the whole round, but with different OLL cases each time.
Make Predictions: For each case, you'll see a "before" image and three "after" options. Click the image that matches what you think the cube will look like after applying the algorithm.
Review Results: After finishing all cases, check your score and review which ones you got right or wrong.
Tips:
Begin with shorter OLL algorithms — they're easier to track. Gradually add more cases as you improve.
Aim to visualize quickly: ideally you'll look at a case and instantly know which OLL you get. Try to practice with this in mind.
The trainer doesn't verify algorithms, so feel free to experiment with other types, like pseudo-pairs, multi-slotting, or fixes for failed crosses (e.g., M' U M).