Simulation of the game "Friends & Neighbors"

gistfile1.txt

// 14 chips
// 9 squares on board
// 5 on the stop sign
var lostcount = 0;
var wincount = 0;

var board = [0,1,2,3,4,5,6,7,8];

var iterations = 1000000;

for (var rungame = 0; rungame < iterations; rungame++) {

  var chips = [0,1,2,3,4,5,6,7,8,9,10,11,12,13];
  var lose = 0;
  for (var i = 1; i < 14; i++) {
    // console.log(chips.length);
    var randomindex = Math.floor(Math.random() * chips.length);
    var chip = chips.splice(randomindex, 1);
    // console.log(chip[0]);
    if (!board.includes(chip[0])) lose++;
    // console.log(lose);
    if (lose == 5) {
      // console.log("lost", i, lose);
      lostcount++;
      break;
    }
  
  }

  if (lose < 5) {
    wincount++;
  }

}

console.log("won:  ", wincount);
console.log("lost: ", lostcount);
console.log(wincount / iterations  * 100 + "%");