87654321abcdefgh←→Aesthetic scoreScore breakdownFeatureValueSolution tree indexAn experimental 0–1 index across all defenses to the key move, calculated separately from the selected model’s line score.Analyze solution treePartial motif diversityDefenses with new rolesThematic dual nodesDiversity, new roles, and thematic dual avoidance receive equal weight.Feature guide · P1–P7 and T1–T10