#115682: "Elo calculation with losers_not_ranked is wrong"
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詳細
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• もしあれば、画面に表示されたエラーメッセージをコピー&ペーストしてください
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• 何をしたいか、何をしたか、何が起きたかを説明してください
-
• あなたのブラウザは何ですか?
Google Chrome v122
-
• あなたの言語の代わりに、表示されている英語の文章をコピー&ペーストしてください。 もしこのバグのスクリーンショットがあれば(素晴らしい!)、Imgur.com等を使ってアップロードし、リンクをコピー&ペーストしてください。
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• このテキストは翻訳ページで翻訳可能になっていますか?もしそうならば、24時間以上前に翻訳されていますか?
-
• あなたのブラウザは何ですか?
Google Chrome v122
-
• 何を意味するのか、簡単に理解できるようにあなたの提案を正確かつ簡潔に説明してください。
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". • あなたのブラウザは何ですか?
Google Chrome v122
-
• ブロックされたときの表示は何でしたか(空のスクリーン?一部のみのゲームインターフェイス?エラーメッセージ?)
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". • あなたのブラウザは何ですか?
Google Chrome v122
-
• BGAで正しく実装されていないルールはどの部分ですか?
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• ルールの間違いはゲームのリプレイで確認できますか?そうであれば、行動番号は何番ですか?
-
• あなたのブラウザは何ですか?
Google Chrome v122
-
• やりたかったゲームアクションは何ですか?
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• このゲームアクションを引き起こす為に何を試みましたか?
-
-
• これを行おうとしたときに何が起こりましたか?(エラーメッセージ、ステータスバーメッセージ、他)
• あなたのブラウザは何ですか?
Google Chrome v122
-
• どの段階でこの問題が起こりましたか?(画面の指示はどうなっていましたか)
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• ゲームアクションを行おうとしたとき、何が起こりましたか?(エラーメッセージ、ステータスバーメッセージ、他)
-
• あなたのブラウザは何ですか?
Google Chrome v122
-
• 表示の問題を説明してください もしこのバグのスクリーンショットがあれば(素晴らしい!)、Imgur.com等を使ってアップロードし、リンクをコピー&ペーストしてください。
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". • あなたのブラウザは何ですか?
Google Chrome v122
-
• あなたの言語の代わりに、表示されている英語の文章をコピー&ペーストしてください。 もしこのバグのスクリーンショットがあれば(素晴らしい!)、Imgur.com等を使ってアップロードし、リンクをコピー&ペーストしてください。
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". -
• このテキストは翻訳ページで翻訳可能になっていますか?もしそうならば、24時間以上前に翻訳されていますか?
-
• あなたのブラウザは何ですか?
Google Chrome v122
-
• 何を意味するのか、簡単に理解できるようにあなたの提案を正確かつ簡潔に説明してください。
This setting does not have the intended effect with regards to Elo calculation.
en.doc.boardgamearena.com/Main_game_logic:_yourgamename.game.php#Only_%22winners%22_and_%22losers%22
en.doc.boardgamearena.com/Game_meta-information:_gameinfos.inc.php#Losers_not_ranked_between_themselves
Coup is used as the example in the docs, so let's use that. Here is a random, recent Coup table: boardgamearena.com/table?table=478182531
I realized that the detailed Elo caluclations are unavailable from Game result pages eventually so here are images saved: imgur.com/a/5WPXjTR
When summing up all Elo exchanges that would otherwise have happened, Victor Araujo should end up with a net positive, since they were the lowest Elo at the table and they tied with several other players with higher Elo. However, the losers_not_ranked setting sets his Elo change to +0, with the (very misleading) message "You cannot win ELO from teammates on a loss" (the other losers are not his teammates).
OK, so far you might think this is the exact intent of the losers_not_ranked setting, as the docs say, "When calculating ELO points, if there is at least one "Loser", no "victorious" player can lose ELO points, and no "losing" player can win ELO point."
But, now look at the Elo breakdown for Cheddar C. **Cheddar C loses 2.41 Elo for tying with Victor Araujo.** And yet, Victor Araujo was not able to gain any Elo on the other side of that exchange.
This is what does not make any sense. The way it is implemented, the losers lose "too much" Elo in total, they lose points that are not transferred to anyone else. Every time you play a game of Coup and is not the winner, you lose Elo to the other losers with lower Elo than you, but some of that Elo "disappears" and is not awarded to them. Games with this setting enabled will be intrinsically lower on Elo among the player pool than regular ranked games, which surely is not the intention?
Proposed fix:
If losers_not_ranked = true, each Winner should exchange Elo only with each Loser. No other player pairs should exchange Elo - Winners should not exchange Elo with other winners and losers should not exchange Elo with other losers. These should not be summed up and then capped, they should not be part of the sum to begin with.
This would preserve the intention of the setting - winners cannot net lose Elo and losers gannot net gain Elo. But it would do so in a more intuitive and expected way, that does not make extra Elo "disappear". • あなたのブラウザは何ですか?
Google Chrome v122
報告履歴
Your bug has probably been fixed already, or was linked to a temporary failure of BGA service.
In any case, when filling a bug report, make sure to have an explicit title linked to the incident (ex: with error message), so other players can recognize it and vote for it.
報告に書き加える
- 他のテーブルID/行動ID
- F5キー(ページの再読込)で問題は解決されましたか?
- 問題は何回も起こりましたか?毎回 起こりますか?ランダムに起きますか?
- もしこのバグのスクリーンショットがあれば(素晴らしい!)、Imgur.com等を使ってアップロードし、リンクをコピー&ペーストしてください。
