G.D. Jones

Where the 1489.6 rating comes from

From 3 matches played between 10 January 2005 and 12 January 2009, and from them alone. Every line below was written at computation time: nothing is recomputed to show this page.

How to read this

On the right: the change this match produced, then the value before → after. A line's arrival value is the next line's starting value, down to the starting rating given to every newcomer. A ±0.0 is a counted match that did not move the rating, a walkover for instance.

3 matches, from the most recent to the first

beaten by Óscar Hernández 0–2
12/01/09 · ATP 250 2009 · Qualifying — Second round · detail
−18.91508.5 → 1489.6
12/01/09 · ATP 250 2009 · Qualifying — First round · detail
+25.91482.6 → 1508.5
beaten by Mariano Zabaleta 0–2
10/01/05 · ATP 250 2005 · First round · detail
−17.41500.0 → 1482.6

Only the matches the source publishes appear; what is missing is listed. The source gives the day, not the hour: two matches on the same day are ordered by a reproducible rule, which is not necessarily the real order.