Leif Shiras

Where the 1420.8 rating comes from

From 21 matches played between 15 January 1990 and 13 August 1990, 20 of them rated, 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.

21 matches, from the most recent to the first

beat Robbie Weiss 2–0
13/08/90 · ATP 500 1990 · First round · detail
+13.91406.9 → 1420.8
beaten by Richey Reneberg 0–2
13/08/90 · ATP 500 1990 · Second round · detail
−6.61413.5 → 1406.9
beaten by David Wheaton 0–2
06/08/90 · ATP 1000 1990 · First round · detail
−6.91420.4 → 1413.5
beat Paul Annacone 2–0
23/07/90 · ATP 1000 1990 · First round · detail
+13.31407.0 → 1420.4
beaten by Jay Berger 0–2
23/07/90 · ATP 1000 1990 · Second round · detail
−6.41413.4 → 1407.0
beaten by Paul Annacone 2–3
25/06/90 · ATP Grand Slam 1990 · First round · detail
−11.01424.4 → 1413.4
beat Joey Rive 2–0
11/06/90 · ATP 250 1990 · First round · detail
+16.61407.9 → 1424.4
beaten by David Pate 0–2
11/06/90 · ATP 250 1990 · Second round · detail
−7.31415.2 → 1407.9
28/05/90 · ATP Grand Slam 1990 · detail
+13.21401.9 → 1415.2
beaten by Aki Rahunen 0–3
28/05/90 · ATP Grand Slam 1990 · detail
−8.21410.1 → 1401.9
beaten by MaliVai Washington 0–2
07/05/90 · ATP 250 1990 · First round · detail
−14.51424.6 → 1410.1
beat Thomas Högstedt 2–1
16/04/90 · ATP 250 1990 · First round · detail
+31.31393.3 → 1424.6
beaten by Alex Antonitsch 0–2
16/04/90 · ATP 250 1990 · Second round · detail
−13.71407.1 → 1393.3
beaten by Dan Goldie 0–2
02/04/90 · ATP 250 1990 · First round · detail
−19.91427.0 → 1407.1
beaten by Niclas Kroon 0–2
12/03/90 · ATP 1000 1990 · First round · detail
−24.31451.2 → 1427.0
beaten by Tim Wilkison 0–2
26/02/90 · ATP 250 1990 · First round · detail
−26.81478.0 → 1451.2
beat Scott Davis 2–0
12/02/90 · ATP 500 1990 · First round · detail
+33.71444.3 → 1478.0
12/02/90 · ATP 500 1990 · Second round · retirement · detail
±0.01444.3 → 1444.3
beaten by John McEnroe 0–2
12/02/90 · ATP 500 1990 · Third round · detail
−15.01459.3 → 1444.3
beaten by Richey Reneberg 0–2
05/02/90 · ATP 250 1990 · First round · detail
−18.01477.3 → 1459.3
beaten by Sergi Bruguera 0–3
15/01/90 · ATP Grand Slam 1990 · detail
−22.71500.0 → 1477.3

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.