whr.js

const { WholeHistoryRating } = require('whr')
const AllData = require("./alldata")

const whr = new WholeHistoryRating({w2: 4});
const firstDate = new Date(1953, 9, 19);
const names = {};
const beginTime = new Date();
console.error(`${AllData.length} records`);
AllData.forEach((e, i) => {
  const dateArr = e.date.split('-').map(e=>parseInt(e));
  const date = new Date(dateArr[0], dateArr[1] - 1, dateArr[2]);
  const day = (date.getTime() - firstDate.getTime()) / 86400 / 1000;
  if (e.firstWin || e.secondWin) {
    names[e.firstPlayer] = true;
    names[e.secondPlayer] = true;
    whr.createGame(e.firstPlayer, e.secondPlayer, e.firstWin ? "B" : "W", day, 0)
  }
  if (i % 100 == 100 - 1) {
    whr.iterate(1)
    console.error(`game: ${i+1}, day: ${date.toString()}, time: ${((new Date()).getTime() - beginTime.getTime()) / 1000}s`);
  }
});
whr.iterate(100)

const result = {};
Object.keys(names).forEach((name) => {
  result[name] = whr.ratingsForPlayer(name);
});

console.log(JSON.stringify(result));