• =?UTF-8?Q?Elo=E2=80=99s_deadliest_Groups_of_Death_since_1970?=

    From Al Kamista@21:1/5 to All on Sun Nov 13 16:21:10 2022
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    YEAR GROUP TEAMS AVG. ELO
    1970 3 England, Brazil, Czechoslovakia, Romania 1959
    2014 B Spain, Netherlands, Chile, Australia 1931
    1978 3 Brazil, Spain, Austria, Sweden 1923
    1974 2 Brazil, Yugoslavia, Scotland, Zaire 1915
    1978 1 Italy, Argentina, Hungary, France 1910
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901
    2014 G Germany, Portugal, United States, Ghana 1896
    2002 F Argentina, England, Sweden, Nigeria 1895
    1978 4 Netherlands, Scotland, Iran, Peru 1894
    1994 E Italy, Ireland, Mexico, Norway 1889
    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888
    1982 6 Brazil, Soviet Union, Scotland, New Zealand 1885
    1986 E West Germany, Denmark, Scotland, Uruguay 1885
    2022 E Spain, Germany, Japan, Costa Rica 1885
    2018 B Spain, Portugal, Iran, Morocco 1884

    Two from 2022 made the cut.

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  • From MH@21:1/5 to Al Kamista on Sun Nov 13 20:00:09 2022
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:

    Are you defining group of death as the ones with the highest average Elo ratings ?
    But what is a group of death, really? Should it not perhaps be the most competitive group, perhaps represented as the one with the smallest
    standard deviation of ratings ?


    YEAR GROUP TEAMS AVG. ELO
    1970 3 England, Brazil, Czechoslovakia, Romania 1959
    2014 B Spain, Netherlands, Chile, Australia 1931
    1978 3 Brazil, Spain, Austria, Sweden 1923
    1974 2 Brazil, Yugoslavia, Scotland, Zaire 1915
    1978 1 Italy, Argentina, Hungary, France 1910
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901
    2014 G Germany, Portugal, United States, Ghana 1896
    2002 F Argentina, England, Sweden, Nigeria 1895
    1978 4 Netherlands, Scotland, Iran, Peru 1894
    1994 E Italy, Ireland, Mexico, Norway 1889
    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888
    1982 6 Brazil, Soviet Union, Scotland, New Zealand 1885
    1986 E West Germany, Denmark, Scotland, Uruguay 1885
    2022 E Spain, Germany, Japan, Costa Rica 1885
    2018 B Spain, Portugal, Iran, Morocco 1884

    Two from 2022 made the cut.

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  • From Mark@21:1/5 to alka...@hotmail.com on Mon Nov 14 03:04:38 2022
    On Monday, November 14, 2022 at 12:21:12 AM UTC, alka...@hotmail.com wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    YEAR GROUP TEAMS AVG. ELO
    1970 3 England, Brazil, Czechoslovakia, Romania 1959
    2014 B Spain, Netherlands, Chile, Australia 1931
    1978 3 Brazil, Spain, Austria, Sweden 1923
    1974 2 Brazil, Yugoslavia, Scotland, Zaire 1915
    1978 1 Italy, Argentina, Hungary, France 1910
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901
    2014 G Germany, Portugal, United States, Ghana 1896
    2002 F Argentina, England, Sweden, Nigeria 1895
    1978 4 Netherlands, Scotland, Iran, Peru 1894
    1994 E Italy, Ireland, Mexico, Norway 1889
    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888
    1982 6 Brazil, Soviet Union, Scotland, New Zealand 1885
    1986 E West Germany, Denmark, Scotland, Uruguay 1885
    2022 E Spain, Germany, Japan, Costa Rica 1885
    2018 B Spain, Portugal, Iran, Morocco 1884

    Two from 2022 made the cut.

    What about 1982? Brazil,Argentina, Italy

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  • From Al Kamista@21:1/5 to All on Mon Nov 14 06:03:07 2022
    On Sunday, November 13, 2022 at 10:00:11 PM UTC-5, MH wrote:
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    Are you defining group of death as the ones with the highest average Elo ratings ?

    Wasn't me, it was 538. Forgot to post the link: https://fivethirtyeight.com/features/whats-the-2022-world-cups-group-of-death-its-tough-to-pick-just-one/

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  • From Al Kamista@21:1/5 to Mark on Mon Nov 14 06:05:47 2022
    On Monday, November 14, 2022 at 6:04:39 AM UTC-5, Mark wrote:
    On Monday, November 14, 2022 at 12:21:12 AM UTC, alka...@hotmail.com wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    YEAR GROUP TEAMS AVG. ELO
    1970 3 England, Brazil, Czechoslovakia, Romania 1959
    2014 B Spain, Netherlands, Chile, Australia 1931
    1978 3 Brazil, Spain, Austria, Sweden 1923
    1974 2 Brazil, Yugoslavia, Scotland, Zaire 1915
    1978 1 Italy, Argentina, Hungary, France 1910
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901
    2014 G Germany, Portugal, United States, Ghana 1896
    2002 F Argentina, England, Sweden, Nigeria 1895
    1978 4 Netherlands, Scotland, Iran, Peru 1894
    1994 E Italy, Ireland, Mexico, Norway 1889
    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888
    1982 6 Brazil, Soviet Union, Scotland, New Zealand 1885
    1986 E West Germany, Denmark, Scotland, Uruguay 1885
    2022 E Spain, Germany, Japan, Costa Rica 1885
    2018 B Spain, Portugal, Iran, Morocco 1884

    Two from 2022 made the cut.
    What about 1982? Brazil,Argentina, Italy

    First round groups only. By design a second group stage would be much more competitive, as many weaker teams would have been eliminated by then.

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  • From Futbolmetrix@21:1/5 to All on Mon Nov 14 06:22:31 2022
    On Sunday, November 13, 2022 at 10:00:11 PM UTC-5, MH wrote:
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    Are you defining group of death as the ones with the highest average Elo ratings ?
    But what is a group of death, really? Should it not perhaps be the most competitive group, perhaps represented as the one with the smallest
    standard deviation of ratings ?

    But it should be some combination of the mean and the standard deviation, no? A very balanced group with 4 middling teams would not be considered a Group of Death. Nor would a group with two super-heavyweights and two middling teams.

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  • From MH@21:1/5 to Futbolmetrix on Mon Nov 14 08:22:54 2022
    On 2022-11-14 07:22, Futbolmetrix wrote:
    On Sunday, November 13, 2022 at 10:00:11 PM UTC-5, MH wrote:
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    Are you defining group of death as the ones with the highest average Elo
    ratings ?
    But what is a group of death, really? Should it not perhaps be the most
    competitive group, perhaps represented as the one with the smallest
    standard deviation of ratings ?

    But it should be some combination of the mean and the standard deviation, no? A very balanced group with 4 middling teams would not be considered a Group of Death. Nor would a group with two super-heavyweights and two middling teams.

    Good question. I think in most people's minds a group of death has some
    alleged heavyweights in it, often judged more by reputation than current
    form. There is also the issue of format. In 1986-94 , with 3 teams
    advancing 2/3 of the of time, a group with three very strong teams was
    not necessarily death to any of them.

    Would a better definition of a group of death be one in which at least
    one team ranked in the top 50 % of teams remaining in the tournament
    must necessarily be eliminated. Or maybe 40 % to make it more
    stringent. Or they have to rank in the top half in both Elo and FIFA
    rankings ?

    How would you combine mean and SD ?



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  • From Ammammata@21:1/5 to All on Mon Nov 14 17:22:29 2022
    Al Kamista has brought this to us :
    Based on Elo ratings, these are the toughest GoDs since 1970:

    did you use the current ELO also for past GoDs or the calculationa has
    been made using past ELOs?

    --
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    ........... [ al lavoro ] ...........

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  • From Futbolmetrix@21:1/5 to All on Mon Nov 14 14:09:03 2022
    On Monday, November 14, 2022 at 10:22:57 AM UTC-5, MH wrote:
    On 2022-11-14 07:22, Futbolmetrix wrote:
    On Sunday, November 13, 2022 at 10:00:11 PM UTC-5, MH wrote:
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    Are you defining group of death as the ones with the highest average Elo >> ratings ?
    But what is a group of death, really? Should it not perhaps be the most >> competitive group, perhaps represented as the one with the smallest
    standard deviation of ratings ?

    But it should be some combination of the mean and the standard deviation, no? A very balanced group with 4 middling teams would not be considered a Group of Death. Nor would a group with two super-heavyweights and two middling teams.
    Good question. I think in most people's minds a group of death has some alleged heavyweights in it, often judged more by reputation than current form. There is also the issue of format. In 1986-94 , with 3 teams
    advancing 2/3 of the of time, a group with three very strong teams was
    not necessarily death to any of them.

    Would a better definition of a group of death be one in which at least
    one team ranked in the top 50 % of teams remaining in the tournament
    must necessarily be eliminated. Or maybe 40 % to make it more
    stringent. Or they have to rank in the top half in both Elo and FIFA rankings ?

    How would you combine mean and SD ?

    Not sure, but here is a different (and somewhat arbitrary) criterion: a group of Death is a group in which one of the top 5 teams by Elo rating entering the tournament has a more than x% chance of being eliminated at the group stage (probabilities based
    on my adaptation of the Elo formula, same one that I use for the SophCon). I happen to have the data for the 1998-2022 period. And let's set x at 25%. Based on this criterion, I have only 5 Groups of Death:

    1. Netherlands 2014 (number 5 by Elo rating entering the tournament, Elo rating 1986, group with ESP-CHI-AUS). Elimination probability 39%
    2. France 2018 (4th, 1987, AUS-DEN-PER): 27%
    3. Argentina 2002 (2nd, 2015, ENG-NIG-SWE): 26%
    4. Netherlands 2006 (2nd, 1995, ARG-SRB-CIV): 25%
    5. Czech Republic 2006 (5th, 1972, ITA-GHA-USA): 25%

    None of the 2022 groups make it. Let's compare with Alka's original list, taking out the the pre-1998 tournaments:

    2014 B Spain, Netherlands, Chile, Australia 1931 --> Yes, right up there
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901 --> Brazil is too much stronger (8% elimination probabiliy) than the rest for this to be a GoD
    2014 G Germany, Portugal, United States, Ghana 1896 --> Germany was at 17% 2002 F Argentina, England, Sweden, Nigeria 1895 --> Yes
    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888 --> Brazil 8%
    2022 E Spain, Germany, Japan, Costa Rica 1885 --> Spain at 19%, Germany (not in the top 5) at 32%
    2018 B Spain, Portugal, Iran, Morocco 1884 --> Spain at about 20%

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  • From MH@21:1/5 to Futbolmetrix on Mon Nov 14 16:46:35 2022
    On 2022-11-14 15:09, Futbolmetrix wrote:
    On Monday, November 14, 2022 at 10:22:57 AM UTC-5, MH wrote:
    On 2022-11-14 07:22, Futbolmetrix wrote:
    On Sunday, November 13, 2022 at 10:00:11 PM UTC-5, MH wrote:
    On 2022-11-13 17:21, Al Kamista wrote:
    So after agonizing for months about how I will manage to actually boycott this Abomination World Cup, I feel my will power weakening by the day. The football DNA is woven too deep into my molecules.

    Based on Elo ratings, these are the toughest GoDs since 1970:
    Are you defining group of death as the ones with the highest average Elo >>>> ratings ?
    But what is a group of death, really? Should it not perhaps be the most >>>> competitive group, perhaps represented as the one with the smallest
    standard deviation of ratings ?

    But it should be some combination of the mean and the standard deviation, no? A very balanced group with 4 middling teams would not be considered a Group of Death. Nor would a group with two super-heavyweights and two middling teams.
    Good question. I think in most people's minds a group of death has some
    alleged heavyweights in it, often judged more by reputation than current
    form. There is also the issue of format. In 1986-94 , with 3 teams
    advancing 2/3 of the of time, a group with three very strong teams was
    not necessarily death to any of them.

    Would a better definition of a group of death be one in which at least
    one team ranked in the top 50 % of teams remaining in the tournament
    must necessarily be eliminated. Or maybe 40 % to make it more
    stringent. Or they have to rank in the top half in both Elo and FIFA
    rankings ?

    How would you combine mean and SD ?

    Not sure, but here is a different (and somewhat arbitrary) criterion: a group of Death is a group in which one of the top 5 teams by Elo rating entering the tournament has a more than x% chance of being eliminated at the group stage (probabilities
    based on my adaptation of the Elo formula, same one that I use for the SophCon). I happen to have the data for the 1998-2022 period. And let's set x at 25%. Based on this criterion, I have only 5 Groups of Death:

    1. Netherlands 2014 (number 5 by Elo rating entering the tournament, Elo rating 1986, group with ESP-CHI-AUS). Elimination probability 39%
    2. France 2018 (4th, 1987, AUS-DEN-PER): 27%
    3. Argentina 2002 (2nd, 2015, ENG-NIG-SWE): 26%
    4. Netherlands 2006 (2nd, 1995, ARG-SRB-CIV): 25%
    5. Czech Republic 2006 (5th, 1972, ITA-GHA-USA): 25%

    None of the 2022 groups make it. Let's compare with Alka's original list, taking out the the pre-1998 tournaments:

    2014 B Spain, Netherlands, Chile, Australia 1931 --> Yes, right up there

    And Spain did go out.
    2022 G Brazil, Switzerland, Serbia, Cameroon 1901 --> Brazil is too much stronger (8% elimination probabiliy) than the rest for this to be a GoD
    2014 G Germany, Portugal, United States, Ghana 1896 --> Germany was at 17% 2002 F Argentina, England, Sweden, Nigeria 1895 --> Yes

    And Argentina did go out.

    2018 E Brazil, Switzerland, Serbia, Costa Rica 1888 --> Brazil 8%
    2022 E Spain, Germany, Japan, Costa Rica 1885 --> Spain at 19%, Germany (not in the top 5) at 32%
    2018 B Spain, Portugal, Iran, Morocco 1884 --> Spain at about 20%


    Great stuff and very interesting. Under this definition I suspect
    genuine groups of death will become rarer and rarer - more teams,
    seeding based on rankings and UEFA rankings more convergent with Elo
    than they used to be (or are they ?)

    Going back in history, though, this definition might yield a lot of
    groups of death because in a 16 team world cup at least one group will
    have two top five ranked teams in it... often more because hosts were
    seeded, along with holders. Add to that that teams from minor
    confederations were (since the 24 team era, approximately) seeded by
    Geography rather than by actual strength (there is a big difference
    between getting Mexico or Jamaica, for instance)

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