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Portico method
Information about the method
Proposer(s): Matt DiPalma
Proposed: 2017
Alt Names: ZZ-Portico
No. Steps: 4
No. Algs: 16 EP5 (See References), and 42 COLL
Avg Moves: 43 htm (stepwise optimal)

The Portico Method is a 3x3 speedsolving method created by Matt DiPalma before 2017. It is derived from the ZZ Method, and the two share very much in common. The main difference is that ZZ's EOLine is replaced by EODB (the DF edge is omitted). Then, for the duration of the solve, the user is free to use F2 moves and the M'(U)M moves to solve F2L (which increases blockbuilding efficiency). The third step is COLL (42 algs). The final step is EP5 (16 algs), which solves all 4 LL edges and DF.

Comparison with ZZ

ZZ-COLL/EPLL Portico Verdict
EO-step 6.1 htm 5.3 htm Portico 15% more efficient, easier inspection
F2L 19.0 htm 18.4 htm Portico 3.3% more efficient, but F2 moves
Corners 12.08 htm <12.0 htm Portico slightly more efficient/ergonomic
Edges 6.75 htm 7.22 htm ZZ 7% more efficient, 12 fewer algs
Total 44 htm 43 htm Portico more efficient and easier inspection
Algs 46 58 ZZ has 12 fewer algs

Portico features easier inspection and superior blockbuilding to normal ZZ-COLL/EPLL. Omission of the DF edge also accommodates more ergonomic CxLL algorithms. This of course, comes at the expense of 12 additional ExLL algs. However, many of these algs are short (M' U2 M) or memorable (M' H-perm M). See the references for the algorithm list.

See also