[{"data":1,"prerenderedAt":85},["ShallowReactive",2],{"methodology":3},{"profile":4,"metrics":11},{"id":5,"engineName":6,"engineVersion":7,"nodesPerPosition":8,"multiPv":9,"classificationVersion":10},"standard-v1","Stockfish","Stockfish 17",1000000,3,"wpl-v1",[12,22,28,37,46,53,59,66,72,79],{"key":13,"version":14,"label":15,"description":16,"formula":17,"denominator":18,"minSample":19,"limitations":20,"provenance":21},"accuracy",1,"Engine-estimated accuracy","Average per-move accuracy derived from expected-score loss against the engine's best move.","mean over player moves of 103.1668 × e^(−0.04354 × win%-loss) − 3.1669, clamped to 0–100","Analysed player moves",30,"An engine-relative estimate, not a measure of playing strength. Comparable only under the same analysis profile.","ENGINE",{"key":23,"version":14,"label":24,"description":25,"formula":26,"denominator":18,"minSample":19,"limitations":27,"provenance":21},"acpl","Average centipawn loss","Average evaluation lost per move relative to the engine's best move, capped at 1000 per move.","sum(min(1000, max(0, eval_best − eval_played))) \u002F player moves","Inflated in already decided positions; comparable only under the same analysis profile.",{"key":29,"version":14,"label":30,"description":31,"formula":32,"denominator":33,"minSample":34,"limitations":35,"provenance":36},"baseline_delta","Versus your baseline","Difference between this subset's score and the player's overall score.","subset score − overall score (percentage points)","Games in subset",8,"Small subsets produce large swings; check the confidence badge.","STATISTIC",{"key":38,"version":14,"label":39,"description":40,"formula":41,"denominator":42,"minSample":43,"limitations":44,"provenance":45},"book_departure","Leaves book at move","Average full-move number of the first move after the last position found in the opening dataset.","mean(ceil(book_departure_ply \u002F 2))","Games with a reliable book match",5,"Only games from the standard start position; dataset covers named lines, not full theory.","RULE_BASED",{"key":47,"version":14,"label":48,"description":49,"formula":50,"denominator":51,"minSample":34,"limitations":52,"provenance":45},"category_score","Category score","Game-level score in games that reached at least one qualifying position of the category.","(wins + 0.5 × draws) \u002F games reaching the category","Games with a qualifying position","Correlation only: reaching a category does not cause the result.",{"key":54,"version":14,"label":55,"description":56,"formula":57,"denominator":18,"minSample":19,"limitations":58,"provenance":21},"move_quality","Move quality","Move classes by expected-score (win %) loss: best ≤ 2, good ≤ 5, inaccuracy ≤ 10, mistake ≤ 20, blunder > 20; missed win when a winning position (≥ 70%) drops to ≤ 50%.","count per class \u002F analysed player moves","Thresholds are conventions; classification depends on engine depth.",{"key":60,"version":14,"label":61,"description":62,"formula":63,"denominator":64,"minSample":14,"limitations":65,"provenance":36},"repertoire_share","Repertoire share","Share of analysed games that reached this opening.","games in opening \u002F games in scope","Games in scope","Depends on which games were imported and filtered.",{"key":67,"version":14,"label":68,"description":69,"formula":70,"denominator":64,"minSample":43,"limitations":71,"provenance":36},"score_pct","Score","Points scored per game, counting a draw as half a point.","(wins + 0.5 × draws) \u002F games","Does not account for opponent strength.",{"key":73,"version":14,"label":74,"description":75,"formula":76,"denominator":77,"minSample":43,"limitations":78,"provenance":45},"tactic_success_rate","Tactic success rate","Share of detected tactical opportunities the player converted.","found \u002F encountered","Detected opportunities of this motif","Only motifs our detectors recognise are counted; engine-preferred moves without a motif are excluded.",{"key":80,"version":14,"label":81,"description":82,"formula":83,"denominator":64,"minSample":43,"limitations":84,"provenance":36},"win_rate","Win rate","Share of games won.","wins \u002F games","Treats draws the same as losses; read together with score.",1791800005578]