Cody

Problem 3057. Chess performance

Solution 636526

Submitted on 13 Apr 2015 by Gergely Patay
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Test Suite

Test Status Code Input and Output
1   Pass
%% playera=1613; elos=[1609 1477 1388 1586 1720]; res=[0 0.5 1 1 0]; assert(isequal(new_elo(elos,res,playera),1601))

ans = 1601

2   Pass
%% playera=1613; elos=[1609 1477 1586 1720]; res=[0 1 1 1]; assert(isequal(new_elo(elos,res,playera),1642))

ans = 1642

3   Pass
%% playera=1613; elos=[1613 1613 1613 1613 1613]; res=[0.5 0.5 0.5 0.5 0.5]; assert(isequal(new_elo(elos,res,playera),1613))

ans = 1613

4   Pass
%% assert(isequal(new_elo([1800 1900 2000 2100 2200],[1 0 1 0 1],1900),1935))

ans = 1935

5   Pass
%% My new ELO playera=1800; elos=[1399 1280 2166 1534 1768 1791 1540]; res=[1 1 0 1 1 0 1]; assert(isequal(new_elo(elos,res,playera),1811))

ans = 1811

6   Pass
%% The last game was critical (-32 points if I lost) playera=1800; elos=[1399 1280 2166 1534 1768 1791 1540]; res=[1 1 0 1 1 0 0]; assert(isequal(new_elo(elos,res,playera),1779))

ans = 1779

7   Pass
%% Perfect tournament ? playera=1800; elos=[1399 1280 2166 1534 1768 1791 1540]; res=[1 1 1 1 1 1 1]; assert(isequal(new_elo(elos,res,playera),1875))

ans = 1875

8   Pass
%% Caruana in 2014 Sinquefield Cup (notice that K=16 for these guys) caruana=2801; elos = [2772 2768 2877 2805 2787 2772 2768 2877 2787 2805]; res = [1 1 1 1 1 1 1 0.5 0.5 0.5]; assert(isequal(new_elo(elos,res,caruana),2913))

ans = 2913

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