Chang Kai-Chen

Where the 1492.9 rating comes from

From 133 matches played between 31 August 2009 and 29 January 2018, 130 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.

133 matches, from the most recent to the first

beaten by Yulia Putintseva 0–2
29/01/18 · WTA 250 2018 · Second round · detail
−8.61501.5 → 1492.9
beat Lee Ya-hsuan 2–0
29/01/18 · WTA 250 2018 · First round · detail
+11.81489.7 → 1501.5
beaten by Wang Qiang 0–2
09/10/17 · WTA 250 2017 · First round · detail
−6.01495.6 → 1489.7
beaten by Magda Linette 0–2
02/10/17 · WTA 1000 2017 · Qualifying — First round · detail
−6.21501.9 → 1495.6
beaten by Monica Puig 0–2
25/09/17 · WTA 1000 2017 · Qualifying — Qualifying competition · detail
−6.11507.9 → 1501.9
beat Madison Brengle 2–1
25/09/17 · WTA 1000 2017 · Qualifying — First round · detail
+17.71490.2 → 1507.9
beaten by Nao Hibino 0–2
18/09/17 · WTA 250 2017 · First round · detail
−11.61501.9 → 1490.2
beaten by Kristýna Plíšková 0–2
11/09/17 · WTA 250 2017 · First round · detail
−5.91507.7 → 1501.9
beaten by Wang Yafan 0–2
24/07/17 · WTA 250 2017 · Second round · detail
−12.21520.0 → 1507.7
beat Shuai Zhang 2–1
24/07/17 · WTA 250 2017 · First round · detail
+17.51502.4 → 1520.0
beaten by Wang Qiang 0–2
03/07/17 · WTA Grand Slam 2017 · First round · detail
−6.51508.9 → 1502.4
beaten by Antonia Lottner 0–2
01/05/17 · WTA 250 2017 · Qualifying — First round · detail
−13.71522.7 → 1508.9
beaten by Anna Kalinskaya 0–2
24/04/17 · WTA 250 2017 · First round · detail
−13.21535.8 → 1522.7
beaten by Peng Shuai 0–2
27/02/17 · WTA 250 2017 · First round · detail
−5.81541.7 → 1535.8
beat Julia Boserup 2–0
20/02/17 · WTA 1000 2017 · Qualifying — Qualifying competition · detail
+11.61530.1 → 1541.7
beat Fatma Al Nabhani 2–0
20/02/17 · WTA 1000 2017 · Qualifying — First round · detail
+6.61523.5 → 1530.1
beaten by Naomi Osaka 0–2
20/02/17 · WTA 1000 2017 · First round · detail
−6.11529.6 → 1523.5
beaten by Barbora Krejčiková 1–2
30/01/17 · WTA 250 2017 · Qualifying — First round · detail
−12.11541.7 → 1529.6
02/01/17 · WTA 250 2017 · Qualifying — First round · detail
+12.21529.5 → 1541.7
02/01/17 · WTA 250 2017 · Qualifying — Qualifying competition · detail
+9.81519.7 → 1529.5
02/01/17 · WTA 250 2017 · First round · detail
+17.41502.4 → 1519.7
beaten by Kristýna Plíšková 0–2
02/01/17 · WTA 250 2017 · Second round · detail
−8.01510.4 → 1502.4
beat Zhang Ying 2–0
10/10/16 · WTA 250 2016 · Qualifying — First round · detail
+11.51498.9 → 1510.4
beat Danielle Lao 2–1
10/10/16 · WTA 250 2016 · Qualifying — Qualifying competition · detail
+13.41485.5 → 1498.9
beat Vania King 2–0
10/10/16 · WTA 250 2016 · First round · detail
+18.51467.0 → 1485.5
beaten by Peng Shuai 0–2
10/10/16 · WTA 250 2016 · Second round · detail
−5.31472.4 → 1467.0
beat Tori Kinard 2–1
19/09/16 · WTA 250 2016 · Qualifying — First round · detail
+9.01463.3 → 1472.4
19/09/16 · WTA 250 2016 · Qualifying — Second round · detail
+11.01452.3 → 1463.3
beaten by Eri Hozumi 0–2
19/09/16 · WTA 250 2016 · Qualifying — Qualifying competition · detail
−11.71464.0 → 1452.3
beat Zhang Yuxuan 2–1
01/08/16 · WTA 250 2016 · First round · detail
+11.41452.7 → 1464.0
beaten by Kurumi Nara 0–2
01/08/16 · WTA 250 2016 · Second round · detail
−7.61460.3 → 1452.7
beat Roberta Vinci 2–1
29/02/16 · WTA 250 2016 · First round · detail
+21.51438.7 → 1460.3
beaten by Çağla Büyükakçay 0–2
29/02/16 · WTA 250 2016 · Second round · detail
−11.91450.6 → 1438.7
beaten by Stefanie Vögele 1–2
08/02/16 · WTA 250 2016 · First round · detail
−8.01458.6 → 1450.6
beaten by Magdalena Rybáriková 0–2
04/01/16 · WTA 250 2016 · Qualifying — First round · detail
−6.41465.0 → 1458.6
beaten by Anastasiya Komardina 0–2
12/10/15 · WTA 250 2015 · First round · detail
−11.61476.6 → 1465.0
beaten by Nao Hibino 0–2
21/09/15 · WTA 500 2015 · Qualifying — Second round · detail
−12.81489.4 → 1476.6
beat Abigail Spears 2–0
21/09/15 · WTA 500 2015 · Qualifying — First round · detail
+11.01478.4 → 1489.4
beaten by Liu Fangzhou 1–2
02/03/15 · WTA 250 2015 · Qualifying — First round · detail
−12.61491.0 → 1478.4
beat Zheng Jie 2–0
01/01/15 · WTA Grand Slam 2015 · First round · detail
+17.71473.3 → 1491.0
01/01/15 · WTA Grand Slam 2015 · Second round · detail
−4.21477.5 → 1473.3
beaten by Arina Rodionova 1–2
06/10/14 · WTA 250 2014 · Qualifying — First round · detail
−12.51490.0 → 1477.5
beaten by Zhou Yimiao 1–2
31/12/13 · WTA 250 2013 · Second round · detail
−11.51501.5 → 1490.0
31/12/13 · WTA 250 2013 · First round · detail
+13.11488.3 → 1501.5
beaten by Belinda Bencic 0–2
07/10/13 · WTA 250 2013 · Qualifying — First round · detail
−11.41499.8 → 1488.3
beaten by Akgul Amanmuradova 0–2
25/02/13 · WTA 250 2013 · First round · detail
−10.21510.0 → 1499.8
beaten by Christina McHale 1–2
18/02/13 · WTA 500 2013 · Qualifying — First round · detail
−6.51516.5 → 1510.0
beaten by Mathilde Johansson 0–2
28/01/13 · WTA 250 2013 · First round · detail
−11.71528.2 → 1516.5
beaten by Samantha Stosur 0–2
14/01/13 · WTA Grand Slam 2013 · First round · detail
−3.11531.3 → 1528.2
beat Samantha Stosur 2–1
08/10/12 · WTA 250 2012 · Semifinals · detail
+21.41509.8 → 1531.3

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.