Grace System (グレースシステム)

An opener with an 88.57% chance of doing a perfect clear, if you have T on hold. It's possible to build this approximately 1 out of 5 times. Usually not used in versus, but it is a good pattern to know for PC runs.

Grace System is a good introduction to learning 4 × 4 solutions.

Solutions

T First, Vertically Placed

Makes the same shape as PC Opener. Check the PC Opener Vertical I section for solutions. Symmetric solutions are also possible.

Others

See Also

• Harddrop Wiki on Grace System