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feat : add move classification

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This commit is contained in:
GuillaumeSD
2024-03-04 01:56:17 +01:00
parent 9d11b0006e
commit 4975ecfdd1
22 changed files with 13872 additions and 89 deletions
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25
src/lib/engine/helpers/accuracy.ts
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@@ -5,6 +5,7 @@ import {
getWeightedMean,
} from "@/lib/helpers";
import { Accuracy, MoveEval } from "@/types/eval";
import { getPositionWinPercentage } from "./winPercentage";
export const computeAccuracy = (moves: MoveEval[]): Accuracy => {
const movesWinPercentage = moves.map(getPositionWinPercentage);
@@ -85,27 +86,3 @@ const getMovesAccuracy = (movesWinPercentage: number[]): number[] =>
return Math.min(100, Math.max(0, rawAccuracy + 1));
});
const getPositionWinPercentage = (move: MoveEval): number => {
if (move.lines[0].cp !== undefined) {
return getWinPercentageFromCp(move.lines[0].cp);
}
if (move.lines[0].mate !== undefined) {
return getWinPercentageFromMate(move.lines[0].mate);
}
throw new Error("No cp or mate in move");
};
const getWinPercentageFromMate = (mate: number): number => {
const mateInf = mate * Infinity;
return getWinPercentageFromCp(mateInf);
};
const getWinPercentageFromCp = (cp: number): number => {
const cpCeiled = ceilsNumber(cp, -1000, 1000);
const MULTIPLIER = -0.00368208;
const winChances = 2 / (1 + Math.exp(MULTIPLIER * cpCeiled)) - 1;
return 50 + 50 * winChances;
};