Example1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 - your book plays 4.c3 here
Repertoire Studio
Your openings, each line back just before you forget it
6 dayswhite062%coveredof master games stay in your book48% learned· 58 of 120 positionsNo answer to 2…c5 · 9% of master games black041%coveredof master games stay in your book37% learned· 31 of 84 positionsNo answer to 1.d4 · 31% of master games