Yuka Ishigaki

Where the 1600.7 rating comes from

From 42 matches played between 1 January 2009 and 11 December 2016, 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.

42 matches, from the most recent to the first

beaten by Tie Yana 3–4
11/12/16 · ITTF World Tour Grand Finals 2016 · First round · detail
−11.01611.7 → 1600.7
beaten by Jeon Ji-hee 1–4
17/11/16 · ITTF World Tour, Swedish Open 2016 · Round of 16 · detail
−12.41624.1 → 1611.7
beat Manika Batra 4–0
16/11/16 · ITTF World Tour, Swedish Open 2016 · Round of 32 · detail
+5.81618.3 → 1624.1
beat Dóra Madarász 4–0
15/11/16 · ITTF World Tour, Swedish Open 2016 · Round of 64 · detail
+8.71609.6 → 1618.3
beaten by Mima Ito 1–4
11/11/16 · ITTF World Tour, Austrian Open 2016 · Round of 16 · detail
−11.41621.0 → 1609.6
10/11/16 · ITTF World Tour, Austrian Open 2016 · Round of 32 · detail
+8.21612.8 → 1621.0
beat Hanna Haponowa 4–0
09/11/16 · ITTF World Tour, Austrian Open 2016 · Round of 64 · detail
+8.51604.3 → 1612.8
beaten by Chen Meng 0–4
15/09/16 · ITTF World Tour, China Open 2016 · Round of 16 · detail
−11.21615.5 → 1604.3
beat Cheng Hsien-Tzu 4–1
14/09/16 · ITTF World Tour, China Open 2016 · Round of 32 · detail
+7.11608.3 → 1615.5
beaten by Wiktoryja Paulowitsch 3–4
10/09/16 · ITTF World Tour, Belarus Open 2016 · Semifinals · detail
−13.21621.6 → 1608.3
09/09/16 · ITTF World Tour, Belarus Open 2016 · Quarterfinals · detail
+9.21612.3 → 1621.6
beat Anna Blazhko 4–0
08/09/16 · ITTF World Tour, Belarus Open 2016 · Round of 16 · detail
+9.21603.1 → 1612.3
beat Daria Chernova 4–1
07/09/16 · ITTF World Tour, Belarus Open 2016 · Round of 32 · detail
+8.81594.3 → 1603.1
beaten by Kristin Lang 2–4
02/09/16 · ITTF World Tour, Czech Open 2016 · Round of 16 · detail
−14.91609.2 → 1594.3
beat Adina Diaconu 4–1
01/09/16 · ITTF World Tour, Czech Open 2016 · Round of 32 · detail
+7.51601.7 → 1609.2
31/08/16 · ITTF World Tour, Czech Open 2016 · Round of 64 · detail
+8.71593.0 → 1601.7
beat Misaki Morizono 4–0
28/08/16 · ITTF World Tour, Bulgaria Open 2016 · Final · detail
+12.41580.7 → 1593.0
beat Miyu Maeda 4–1
27/08/16 · ITTF World Tour, Bulgaria Open 2016 · Semifinals · detail
+10.31570.4 → 1580.7
26/08/16 · ITTF World Tour, Bulgaria Open 2016 · Quarterfinals · detail
+10.61559.8 → 1570.4
beat Olga Kulikova 4–1
25/08/16 · ITTF World Tour, Bulgaria Open 2016 · Round of 16 · detail
+11.01548.7 → 1559.8
beat Irina Ermakova 4–0
24/08/16 · ITTF World Tour, Bulgaria Open 2016 · Round of 32 · detail
+9.91538.9 → 1548.7
beaten by Shan Xiaona 0–4
15/06/16 · ITTF World Tour, Japan Open 2016 · Round of 32 · detail
−11.91550.8 → 1538.9
beaten by Hina Hayata 1–4
12/06/16 · ITTF World Tour, Australian Open 2016 · Final · detail
−10.31561.1 → 1550.8
beat Miyu Kato 4–2
11/06/16 · ITTF World Tour, Australian Open 2016 · Semifinals · detail
+14.11547.0 → 1561.1
beat Saki Shibata 4–1
10/06/16 · ITTF World Tour, Australian Open 2016 · Quarterfinals · detail
+10.71536.3 → 1547.0
09/06/16 · ITTF World Tour, Australian Open 2016 · Round of 16 · detail
+12.01524.3 → 1536.3
beat Peng Kai 4–0
08/06/16 · ITTF World Tour, Australian Open 2016 · Round of 32 · detail
+11.61512.7 → 1524.3
beaten by Jeon Ji-hee 2–4
03/06/16 · ITTF World Tour, Slovenia Open 2016 · Round of 16 · detail
−9.11521.8 → 1512.7
beat Honoka Hashimoto 4–0
02/06/16 · ITTF World Tour, Slovenia Open 2016 · Round of 32 · detail
+14.81507.1 → 1521.8
beat Petra Petek 4–0
01/06/16 · ITTF World Tour, Slovenia Open 2016 · Round of 64 · detail
+11.81495.3 → 1507.1
beaten by Han Ying 0–4
21/04/16 · ITTF World Tour, Polish Open 2016 · Round of 32 · detail
−7.81503.1 → 1495.3
20/04/16 · ITTF World Tour, Polish Open 2016 · Round of 64 · detail
+11.41491.7 → 1503.1
beaten by Ding Ning 0–4
23/03/16 · ITTF World Tour, Qatar Open 2016 · Round of 32 · detail
−6.91498.6 → 1491.7
beaten by Mu Zi 0–4
27/01/16 · ITTF World Tour, German Open 2016 · Round of 32 · detail
−10.51509.1 → 1498.6
beaten by Ai Fukuhara 2–4
12/11/15 · ITTF World Tour, Swedish Open 2015 · Round of 32 · detail
−20.31529.4 → 1509.1
beat Manika Batra 4–1
11/11/15 · ITTF World Tour, Swedish Open 2015 · Round of 64 · detail
+21.81507.6 → 1529.4
beaten by Georgina Pota 3–4
22/10/15 · ITTF World Tour, Polish Open 2015 · Round of 32 · detail
−24.81532.4 → 1507.6
beat Huang Yi-Hua 4–1
21/10/15 · ITTF World Tour, Polish Open 2015 · Round of 64 · detail
+25.71506.8 → 1532.4
beaten by Li Qiangbing 3–4
14/05/11 · World Table Tennis Championships 2011 · Second Round · detail
−25.61532.3 → 1506.8
beat Joanna Parker 4–3
14/05/11 · World Table Tennis Championships 2011 · First Round · detail
+20.01512.4 → 1532.3
01/01/09 · World Table Tennis Championships 2009 · First Round · detail
+24.91487.5 → 1512.4
beaten by Li Xiaoxia 1–4
01/01/09 · World Table Tennis Championships 2009 · Second Round · detail
−12.51500.0 → 1487.5

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.