Prospects for Lewisham 2 in Division 3 of the London Chess League

2ndteaminpub

Happy chess players celebrate promotion

Now that Lewisham Chess Club’s second team has secured promotion to Division 3 of the London Chess League, we can ask what lies in store next season.

The table below shows the ranking of the various teams in this year’s Division 3, together with the average (mean!) grade of the teams they put out and faced, based on information as at 1 June.

TABLE OF RANKINGS AGAINST MEAN GRADE AND MEAN GRADE OF OPPONENTS

div3fig1

The first thing to note is that there is no real difference between the strength of the opposition the various teams faced.  Intuitively enough, the teams with higher mean grades also tended to finish in higher positions, as is shown in the graph below.

GRAPH OF RANKING AGAINST MEAN GRADING

div3fig2

We see that you really need to put out teams with an average grading somewhat over 140 to ensure survival.

Next we ask what this means for the various different boards next season.  In Division 4, over 8 boards (as opposed to the ten in Div 3) Lewisham 2 averaged 149, so we take the team ranked 9 in Division 3 with an average grade of 147 as a proxy.

TABLE OF GRADINGS FACED BY PROXY TEAM

div3fig3

So we would say that someone playing Board 5 would face opponents with an average grade about 160 and should be of such a strength as to have a meaningful game with players graded between about 190 and about 140.

 

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