Rika Hiraki

Where the 1377.6 rating comes from

From 131 matches played between 29 January 1990 and 23 September 2002, 129 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.

131 matches, from the most recent to the first

beaten by Vanessa Webb 0–2
23/09/02 · WTA 1000 2002 · Qualifying — First round · detail
−8.81386.4 → 1377.6
beaten by Akiko Morigami 0–2
28/01/02 · WTA 1000 2002 · Qualifying — First round · detail
−10.81397.1 → 1386.4
beaten by Lisa Raymond 0–2
16/04/01 · WTA 1000 2001 · First round · detail
−2.71399.8 → 1397.1
beat Tathiana Garbin 2–0
08/11/99 · WTA 1000 1999 · Qualifying — First round · detail
+14.01385.9 → 1399.8
beaten by Martina Suchá 0–2
08/11/99 · WTA 1000 1999 · Qualifying — Second round · detail
−8.21394.0 → 1385.9
beaten by Riei Otakeyama 0–2
20/09/99 · WTA 1000 1999 · Qualifying — First round · detail
−11.31405.4 → 1394.0
beaten by Julie Smith
26/07/99 · WTA 1000 1999 · Qualifying — First round · walkover · detail
±0.01405.4 → 1405.4
beaten by Meilen Tu 0–2
01/02/99 · WTA 1000 1999 · Qualifying — First round · detail
−8.81414.1 → 1405.4
beaten by Mariana Díaz Oliva 0–2
02/01/99 · WTA 1000 1999 · Qualifying — First round · detail
−12.51426.6 → 1414.1
beaten by Janet Lee 1–2
03/08/98 · WTA 1000 1998 · Qualifying — First round · detail
−12.21438.8 → 1426.6
beaten by Wang Shi-ting 0–2
13/04/98 · WTA 1000 1998 · Second round · detail
−6.21445.0 → 1438.8
beat Shiho Hisamatsu 2–0
13/04/98 · WTA 1000 1998 · First round · detail
+14.41430.6 → 1445.0
beaten by Alexandra Stevenson 0–2
02/03/98 · WTA 1000 1998 · Qualifying — First round · detail
−12.61443.2 → 1430.6
beaten by Francesca Lubiani 1–2
23/02/98 · WTA 1000 1998 · First round · detail
−11.31454.5 → 1443.2
beaten by Arantxa Sánchez Vicario 0–2
21/01/98 · WTA Grand Slam 1998 · Third round · detail
−1.51456.0 → 1454.5
20/01/98 · WTA Grand Slam 1998 · Second round · detail
+15.61440.5 → 1456.0
beat Andrea Glass 2–0
19/01/98 · WTA Grand Slam 1998 · First round · detail
+12.71427.7 → 1440.5
beaten by Rewa Hudson 1–2
05/01/98 · WTA 1000 1998 · First round · detail
−11.01438.7 → 1427.7
30/12/97 · WTA 1000 1997 · Second round · detail
+14.11424.6 → 1438.7
beaten by Elena Pampoulova 1–2
30/12/97 · WTA 1000 1997 · Quarterfinals · detail
−10.81435.4 → 1424.6
beat Dominique Monami 2–1
30/12/97 · WTA 1000 1997 · First round · detail
+21.31414.1 → 1435.4
beaten by Tamarine Tanasugarn 0–2
17/11/97 · WTA 1000 1997 · First round · detail
−7.91422.0 → 1414.1
beaten by Jolene Watanabe 1–2
20/10/97 · WTA 1000 1997 · First round · detail
−11.81433.7 → 1422.0
beaten by Tamarine Tanasugarn 1–2
22/09/97 · WTA 1000 1997 · First round · detail
−8.31442.1 → 1433.7
beat Yuka Yoshida 2–0
15/09/97 · WTA 1000 1997 · First round · detail
+14.81427.3 → 1442.1
beaten by Kimberly Po 1–2
15/09/97 · WTA 1000 1997 · Second round · detail
−3.81431.1 → 1427.3
beaten by Rachel McQuillan 0–2
26/08/97 · WTA Grand Slam 1997 · Second round · detail
−10.71441.8 → 1431.1
25/08/97 · WTA Grand Slam 1997 · First round · detail
+12.21429.6 → 1441.8
beaten by Yuka Kaneko 0–2
23/06/97 · WTA Grand Slam 1997 · First round · detail
−9.51439.1 → 1429.6
beaten by Cristina Torrens Valero 1–2
09/06/97 · WTA 1000 1997 · First round · detail
−10.41449.5 → 1439.1
beaten by Nicole Arendt 0–2
26/05/97 · WTA Grand Slam 1997 · First round · detail
−8.61458.1 → 1449.5
beaten by Nana Miyagi 1–2
21/04/97 · WTA 1000 1997 · Second round · detail
−10.81468.9 → 1458.1
beat Meilen Tu 2–1
21/04/97 · WTA 1000 1997 · First round · detail
+13.61455.2 → 1468.9
beat Rita Grande 2–1
14/04/97 · WTA 1000 1997 · First round · detail
+13.91441.3 → 1455.2
beaten by Annabel Ellwood 1–2
14/04/97 · WTA 1000 1997 · Second round · detail
−10.81452.1 → 1441.3
beaten by Lisa Raymond 1–2
18/03/97 · WTA 1000 1997 · Second round · detail
−4.21456.3 → 1452.1
beat Mana Endo 2–1
17/03/97 · WTA 1000 1997 · First round · detail
+17.11439.2 → 1456.3
beaten by Rene Simpson-Alter 1–2
17/02/97 · WTA 1000 1997 · First round · detail
−12.41451.6 → 1439.2
beaten by Gloria Pizzichini 1–2
27/01/97 · WTA 1000 1997 · First round · detail
−10.71462.3 → 1451.6
beaten by Kimberly Po 0–2
15/01/97 · WTA Grand Slam 1997 · Third round · detail
−5.31467.7 → 1462.3
14/01/97 · WTA Grand Slam 1997 · Second round · detail
+20.81446.9 → 1467.7
13/01/97 · WTA Grand Slam 1997 · First round · detail
+15.81431.1 → 1446.9
beaten by Yuko Hosoki 0–2
14/10/96 · WTA 1000 1996 · First round · detail
−11.11442.1 → 1431.1
beaten by Yuka Yoshida 0–2
07/10/96 · WTA 1000 1996 · Second round · retirement · detail
±0.01442.1 → 1442.1
beat Alexandra Fusai 2–0
07/10/96 · WTA 1000 1996 · First round · detail
+13.91428.2 → 1442.1
beaten by Wang Shi-ting 0–2
16/09/96 · WTA 1000 1996 · First round · detail
−5.51433.7 → 1428.2
beaten by Tina Križan 0–2
26/08/96 · WTA Grand Slam 1996 · First round · detail
−10.01443.7 → 1433.7
beaten by Lori McNeil 0–2
12/08/96 · WTA 1000 1996 · First round · detail
−6.31450.0 → 1443.7
beaten by Natalia Medvedeva 0–2
25/06/96 · WTA Grand Slam 1996 · Second round · detail
−8.81458.8 → 1450.0
beat Christina Singer 2–0
24/06/96 · WTA Grand Slam 1996 · First round · detail
+15.41443.4 → 1458.8

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.