花火的ELO值計算 - 桌遊
By Charlie
at 2014-12-22T02:17
at 2014-12-22T02:17
Table of Contents
經過這個周末的努力(讀書有這麼認真就好了),我大概知道花火的ELO值怎麼算了。
http://en.boardgamearena.com/#!doc/Rating
首先,先看一下這一篇的文章,
這裡有說到兩個我認為還不錯的重點:
1.在多人競技中,要如何算ELO值:
因為ELO值只能用在兩人競技中,而在桌遊中常常會有多人較競,那要怎麼辦呢?
他用的方法很直覺,就是跟你以外的人都算一次,之後加總起來。
簡單來說,就是把每場多人遊戲分解成很多場兩人遊戲來看。
2.K值的取值。
http://tinyurl.com/36pqt4
這是wiki上的ELO值的算法。
如果真的有代這個公式下去算的話,大概會算到一半就算不出來了…
因為根本不知道K值是多少。
而這篇文章說,在前30場的K值為60,之後都為40。然後再乘上(玩家人數/2),但如果
玩家人數多於遊戲所推薦的最佳人數,則是以最佳人數為主。
http://zh.boardgamearena.com/#!table?table=11389114
http://zh.boardgamearena.com/#!table?table=11388870
這是兩場我在BGA上找到可以拿來到的例子,算了一下,發生數字都符合。
可以很明顯的看到,這兩個所加的分數都不一樣,點入他們的ID去看。
就可以知道為什麼,因為一個玩過上百場,另一個則是不到10場。
所以他們的K值就不一樣,所以所拿到的分數也有差別。
這也可以說明為什麼在我上一篇的文章中,扣分的加分的都是低ELO值的。
因為那個人的K值比較大。
--
如果算法是這樣子的話,那就代表著 ELO值越高的人,所拿到的分數不會比較多。
那要怎麼拿高分呢?那就在前30場都跟高手一隊,而且人越多越好。
在兩人遊戲中,前30場的K值才60,但是在5人遊戲中K值卻是150,根本就是爽爽刷分用
不過,為什麼說是如果這這樣算呢?
因為照公式下去跑的結果是不會出現一個加分,另一個是扣分的情況。
但是因為哥白尼先生說他有看過這個情況,所以我也不太敢確定這個公式是對的就是了。
不過,因為他說他也找不到那一場的情況,我就暫時先當作他記錯好了XD
--
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