Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhou, Y (Yicheng)

Chess SA id

1140304123

FIDE id

Date of birth

2014-03-30 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1207.6	1206.3	1200	1200
Raw rating	1207.5	1206.2	1200	1200
Weighted rating	1207.6	1206.3	1200	1200
Weighted performance	0	0	0	0
Floor	737.5	738.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.1	164.3	165.8	165.8
Highest rating	1328 2024-05-01	1316.9 2024-05-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1237.5 2024-06-01	1238.8 2024-06-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1237.5 2024-08-01	1238.8 2024-08-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1328 2024-05-01	1316.9 2024-05-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0	-0	0	0
New rating	1207.6	1206.3	1200	1200
Analysis
Rating	1207.6	1206.3	1200	1200
Raw rating	1207.5	1206.2	1200	1200
Weighted rating	1207.6	1206.3	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	737.5	738.8	700	700
Max/Min rating change allowed	164.1	164.3	165.8	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	1207.5	1206.2	1200	1200
New weighted rating	1207.6	1206.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1207.6	1206.3	1200	1200
Temp new rating +/-	-0	-0	0	0
Final new rating +/-	-0	-0	0	0
New rating	1207.6	1206.3	1200	1200
New K-factor	36	36	36	36
New floor	737.5	738.8	700	700

Item	Main	Standard
	0	0
	0	0
	20	20
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	9.5	47.5	-21.2	1230.5	1209.3
Standard	20	9.5	47.5	-21.2	1230.5	1209.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1207.5	1206.2	1200	1200
2025-09-30	1207.5	1206.2	1200	1200
2025-09-01	1207.5	1206.2	1200	1200
2025-08-01	1207.5	1206.2	1200	1200
2025-07-01	1207.4	1206.2	1200	1200
2025-06-01	1207.3	1206.1	1200	1200
2025-05-01	1207.2	1206	1200	1200
2025-04-01	1207	1205.9	1200	1200
2025-03-01	1206.8	1205.8	1200	1200
2025-02-01	1206.2	1205	1200	1200
2025-01-01	1199.6	1196.3	1200	1200
2024-12-01	1199.6	1196.3	1200	1200
2024-11-01	1199.6	1196.3	1200	1200
2024-10-01	1199.6	1196.3	1200	1200
2024-09-01	1199.6	1196.3	1200	1200
2024-08-01	1237.5	1238.8	1200	1200
2024-07-01	1237.5	1238.8	1200	1200
2024-09-01	1237.5	1238.8	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2024 (D)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	GoForChess Junior Chess Championships 2024 (Senior)	2024-05-19	2024-05-19	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Chess Power House May Open 2024 (D)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	JMC Crawford International Sandton 2024 (D)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Chess Power House May Open 2024				Tournament JMC Closed 2024
		date 2024-05-25	rnd 4	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Chikwava, R (Ronald)
2	2	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 3	type Standard	result 1	date 2024-05-19	rnd 4	type Standard	result 1
		Opponent Deng, Y (Yezhong Qi)				Opponent Papanicolaou, A (Alexandra)
3	2	Tournament JMC Crawford International Sandton 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-05-11	rnd 2	type Standard	result 0.5	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Kalakonda, V (Vihaan)				Opponent Hadebe, L (Luanda Zanezinhle)

#	Games	Start				End
1	3	Tournament Chess Power House May Open 2024				Tournament JMC Closed 2024
		date 2024-05-25	rnd 4	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Chikwava, R (Ronald)
2	2	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 3	type Standard	result 1	date 2024-05-19	rnd 4	type Standard	result 1
		Opponent Deng, Y (Yezhong Qi)				Opponent Papanicolaou, A (Alexandra)
3	2	Tournament JMC Crawford International Sandton 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-05-11	rnd 2	type Standard	result 0.5	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Kalakonda, V (Vihaan)				Opponent Hadebe, L (Luanda Zanezinhle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chess Power House May Open 2024				Tournament JMC Closed 2024
		date 2024-05-25	rnd 4	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Chikwava, R (Ronald)
2	2	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 3	type Standard	result 1	date 2024-05-19	rnd 4	type Standard	result 1
		Opponent Deng, Y (Yezhong Qi)				Opponent Papanicolaou, A (Alexandra)
3	1	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-11	rnd 5	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Tshabalala, M (Matlotlo)				Opponent Tshabalala, M (Matlotlo)

#	Games	Start				End
1	3	Tournament Chess Power House May Open 2024				Tournament JMC Closed 2024
		date 2024-05-25	rnd 4	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Chikwava, R (Ronald)
2	2	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 3	type Standard	result 1	date 2024-05-19	rnd 4	type Standard	result 1
		Opponent Deng, Y (Yezhong Qi)				Opponent Papanicolaou, A (Alexandra)
3	1	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-11	rnd 5	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Tshabalala, M (Matlotlo)				Opponent Tshabalala, M (Matlotlo)

No games found.

#	Games	Start				End

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	Dippenaar ,L (Lian)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Dippenaar ,L (Lian)	1	1264.8	839.8	1	1259.8	839.8	0	0	0	0	0	0
2	Bijker ,X (Xander)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Bijker ,X (Xander)	1	1179.8	754.8	1	1176	754.8	0	0	0	0	0	0
3	Mafane ,A (Atlegang)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mafane ,A (Atlegang)	1	1309.8	1734.8	1	1270.2	1734.8	0	0	0	0	0	0
4	Froom ,J (Jacob)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Froom ,J (Jacob)	1	1463.3	1038.3	1	1454.5	1038.3	0	0	0	0	0	0
5	Sithole ,A (Adiel Ean)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sithole ,A (Adiel Ean)	1	1387	962	1	1330.6	962	0	0	0	0	0	0
6	Tshabalala ,M (Matlotlo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Tshabalala ,M (Matlotlo)	1	1099.7	1524.7	1	1080.4	1524.7	0	0	0	0	0	0
7	Stols ,C (Christopher Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Stols ,C (Christopher Jayden)	1	1192.2	767.2	1	1183.8	767.2	0	0	0	0	0	0
8	Deng ,Y (Yezhong Qi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Deng ,Y (Yezhong Qi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Kalakonda ,V (Vihaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Kalakonda ,V (Vihaan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Bosman ,S (Struan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bosman ,S (Struan)	1	1159.7	734.7	1	1152.8	734.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Zhou, Y (Yicheng)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms