Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhou, K (Kevin)

Chess SA id

1060113888

FIDE id

Date of birth

2006-05-21 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1225.6	1181.9	1237.5	1200
Raw rating	1225.6	1181.9	1234.8	1200
Weighted rating	1217.3	1181.1	1237.5	1200
Weighted performance	0	0	0	0
Floor	728.1	700	741.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.9	170.2	157.8	165.8
Highest rating	1294.6 2019-05-01	1200 2018-10-01	1378 2019-05-01	1200 2018-10-01
Highest raw rating	1228.1 2019-12-01	1200 2019-12-01	1241.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1228.1 2021-05-01	1200 2018-10-01	1241.6 2024-02-01	1200 2018-10-01
Highest weighted performance	1294.6 2019-05-01	1200 2019-12-01	1378 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.3	0
New rating	1225.6	1181.9	1237.3	1200
Analysis
Rating	1225.6	1181.9	1237.5	1200
Raw rating	1225.6	1181.9	1234.8	1200
Weighted rating	1217.3	1181.1	1237.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	728.1	700	741.6	700
Max/Min rating change allowed	159.9	170.2	157.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1225.6	1181.9	1234.8	1200
New weighted rating	1218.1	1181.2	1237.3	1200
New weighted performance	0	0	0	0
Temp new rating	1225.6	1181.9	1237.3	1200
Temp new rating +/-	0	0	-0.3	0
Final new rating +/-	0	0	-0.3	0
New rating	1225.6	1181.9	1237.3	1200
New K-factor	36	36	36	36
New floor	728.1	700	741.6	700

Item	Main	Standard	Rapid
	0	0	0
	4	0	4
	5	0	5
	1	1	0
	0	0	0
	0	0	0
History	15	1	14

Games since
	Main 9	Standard 0		Rapid 9		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	4	2	50	0	1480.9	1480.9
Standard	0	0	0	0	0	0
Rapid	4	2	50	0	1480.9	1480.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	7.5	50	0	1363.1	1363.1
Standard	1	0	0	-425	1227.5	802.5
Rapid	14	7.5	53.57	30.4	1372.8	1403.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1225.6	1181.9	1234.8	1200
2025-09-01	1225.6	1181.9	1234.8	1200
2025-08-01	1216.4	1181.9	1238.5	1200
2025-07-01	1216.4	1181.9	1238.5	1200
2025-06-01	1216.4	1181.9	1238.5	1200
2025-05-01	1216.4	1181.9	1238.5	1200
2025-04-01	1216.4	1181.9	1238.5	1200
2025-03-01	1216.4	1181.9	1238.5	1200
2025-02-01	1216.4	1181.9	1238.4	1200
2025-01-01	1216.4	1180	1235.8	1200
2024-12-01	1216.4	1180	1235.8	1200
2024-11-01	1216.4	1180	1235.8	1200
2024-10-01	1216.4	1180	1235.8	1200
2024-09-01	1216.4	1180	1235.8	1200
2024-08-01	1216.4	1180	1235.8	1200
2024-07-01	1216.4	1180	1235.8	1200
2024-06-01	1212	1180	1241.6	1200
2024-08-01	1212	1180	1241.6	1200
2024-04-01	1212	1180	1241.6	1200
2024-03-01	1212	1180	1241.6	1200
2024-02-01	1212	1180	1241.6	1200
2024-01-01	1212	1180	1241.6	1200
2023-12-01	1212	1180	1241.6	1200
2023-11-01	1212	1180	1241.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
2	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	1	0	Yes	Analysis
3	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	4	2	Yes	Analysis
4	St Peters College Chess League 2023 (A)	2023-09-11	2023-10-23	Standard	Johannesburg Metro (GJM)	6	1	0	Yes	Analysis
5	Gauteng D9 Finals 2019 (U13 Boys)	2019-05-18	2019-05-18	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 4	type Rapid	result 1
		Opponent Mahlangu, T (Thabo)				Opponent Kalala, Z (Zoe)
2	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-06-02	rnd 4	type Rapid	result 1	date 2025-06-09	rnd 5	type Rapid	result 1
		Opponent Kaplan, O (Ori)				Opponent Egesimba, M (Miracle)
3	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Paiker, J (Joey)				Opponent Nyarenda, M (Miranda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 4	type Rapid	result 1
		Opponent Mahlangu, T (Thabo)				Opponent Kalala, Z (Zoe)
2	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-06-02	rnd 4	type Rapid	result 1	date 2025-06-09	rnd 5	type Rapid	result 1
		Opponent Kaplan, O (Ori)				Opponent Egesimba, M (Miracle)
3	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Paiker, J (Joey)				Opponent Nyarenda, M (Miranda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-06-02	rnd 4	type Rapid	result 1	date 2025-06-09	rnd 5	type Rapid	result 1
		Opponent Kaplan, O (Ori)				Opponent Egesimba, M (Miracle)
2	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Paiker, J (Joey)				Opponent Nyarenda, M (Miranda)
3	2	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 3	type Rapid	result 1	date 2019-05-18	rnd 4	type Rapid	result 1
		Opponent Tesfaye, D (Dawit)				Opponent Kalala, Z (Zoe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-06-02	rnd 4	type Rapid	result 1	date 2025-06-09	rnd 5	type Rapid	result 1
		Opponent Kaplan, O (Ori)				Opponent Egesimba, M (Miracle)
2	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Paiker, J (Joey)				Opponent Nyarenda, M (Miranda)
3	2	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 3	type Rapid	result 1	date 2019-05-18	rnd 4	type Rapid	result 1
		Opponent Tesfaye, D (Dawit)				Opponent Kalala, Z (Zoe)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Kantor ,R (Raphael)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kantor ,R (Raphael)	1	1227.5	802.5	1	1233.1	802.5	0	0	0	0	0	0
2	Nyarenda ,M (Miranda)	1	1	425	0	0	0	1	1	425	0	0	0
2	Nyarenda ,M (Miranda)	1	1219.6	1644.6	0	0	0	1	1200	1644.6	0	0	0
3	Balassis ,P (Petro)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Balassis ,P (Petro)	1	1421.1	996.1	0	0	0	1	1247.2	996.1	0	0	0
4	Luvuno ,T (Thando)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
4	Luvuno ,T (Thando)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
5	Kalala ,Z (Zoe)	1	1	425	0	0	0	1	1	425	0	0	0
5	Kalala ,Z (Zoe)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Stathoulis ,C (Constantinos John)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Stathoulis ,C (Constantinos John)	1	1175.9	750.9	0	0	0	1	1191.2	750.9	0	0	0
7	Paiker ,J (Joey)	1	1	425	0	0	0	1	1	425	0	0	0
7	Paiker ,J (Joey)	1	1236.8	1661.8	0	0	0	1	1200	1661.8	0	0	0
8	Egesimba ,M (Miracle)	1	1	425	0	0	0	1	1	425	0	0	0
8	Egesimba ,M (Miracle)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Levitan ,J (Judah)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Levitan ,J (Judah)	1	2294.4	1869.4	0	0	0	1	1417.1	1869.4	0	0	0
10	Levitan ,C (Caleb)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Levitan ,C (Caleb)	1	2294.5	1869.5	0	0	0	1	1763.6	1869.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Zhou, K (Kevin)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms