Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yu, J (Jikun)

Chess SA id

1100301723

FIDE id

Date of birth

2010-07-23 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1196.4	1197.1	1200	1200
Raw rating	1196.4	1197.1	1200	1200
Weighted rating	1190.6	1189.8	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.7	166.5	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1196.4	1197.1	1200	1200
Analysis
Rating	1196.4	1197.1	1200	1200
Raw rating	1196.4	1197.1	1200	1200
Weighted rating	1190.6	1189.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	166.7	166.5	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	1196.4	1197.1	1200	1200
New weighted rating	1191.2	1190.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1196.4	1197.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1196.4	1197.1	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	2	2
	8	8
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	2	1	50	0	1200	1200
Standard	2	1	50	0	1200	1200
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1204.9	1162.4
Standard	10	4.5	45	-42.5	1204.9	1162.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1196.4	1197.1	1200	1200
2025-09-30	1196.4	1197.1	1200	1200
2025-09-01	1196.4	1197.1	1200	1200
2025-08-01	1196.4	1197.1	1200	1200
2025-07-01	1196.4	1197.1	1200	1200
2025-06-01	1196.4	1197.1	1200	1200
2025-05-01	1196.4	1197.1	1200	1200
2025-04-01	1196.4	1197.1	1200	1200
2025-03-01	1193.4	1193.6	1200	1200
2025-02-01	1193.4	1193.6	1200	1200
2025-01-01	1193.4	1193.6	1200	1200
2024-12-01	1193.4	1193.6	1200	1200
2024-11-01	1167.8	1161.2	1200	1200
2024-10-01	1167.8	1161.2	1200	1200
2024-09-01	1167.8	1161.2	1200	1200
2024-08-01	1167.8	1161.2	1200	1200
2024-07-01	1167.8	1161.2	1200	1200
2024-09-01	1183.1	1179.2	1200	1200
2024-05-01	1183.1	1179.2	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - Dainfern Chess League 2025 (B)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	2	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - Dainfern Chess League 2025 (B)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	2	1	Yes	Analysis
2	JCC St Peters High Schools League 2024 (B)	2024-09-09	2024-10-14	Standard	Johannesburg Metro (GJM)	5	3	2	Yes	Analysis
3	JCC Steyn City High Schools League 2024 (B)	2024-05-11	2024-05-25	Standard	Johannesburg Metro (GJM)	6	2	0.5	Yes	Analysis
4	Dainfern College Chess League 2024 (B)	2024-01-29	2024-03-11	Standard	Johannesburg Metro (GJM)	6	3	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament JCC St Peters High Schools League 2024				Tournament JCC St Peters High Schools League 2024
		date 2024-09-09	rnd 1	type Standard	result 1	date 2024-10-07	rnd 4	type Standard	result 1
		Opponent Mukadam, A (Abhir)				Opponent Neethling, V (Valiant)
2	1	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-03-10	rnd 5	type Standard	result 1	date 2025-03-10	rnd 5	type Standard	result 1
		Opponent Mkwalo, N (Nokwando)				Opponent Mkwalo, N (Nokwando)
3	1	Tournament JCC Steyn City High Schools League 2024				Tournament JCC Steyn City High Schools League 2024
		date 2024-05-20	rnd 4	type Standard	result 0.5	date 2024-05-20	rnd 4	type Standard	result 0.5
		Opponent Lutchan, A (Ariyn)				Opponent Lutchan, A (Ariyn)

#	Games	Start				End
1	2	Tournament JCC St Peters High Schools League 2024				Tournament JCC St Peters High Schools League 2024
		date 2024-09-09	rnd 1	type Standard	result 1	date 2024-10-07	rnd 4	type Standard	result 1
		Opponent Mukadam, A (Abhir)				Opponent Neethling, V (Valiant)
2	1	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-03-10	rnd 5	type Standard	result 1	date 2025-03-10	rnd 5	type Standard	result 1
		Opponent Mkwalo, N (Nokwando)				Opponent Mkwalo, N (Nokwando)
3	1	Tournament JCC Steyn City High Schools League 2024				Tournament JCC Steyn City High Schools League 2024
		date 2024-05-20	rnd 4	type Standard	result 0.5	date 2024-05-20	rnd 4	type Standard	result 0.5
		Opponent Lutchan, A (Ariyn)				Opponent Lutchan, A (Ariyn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC St Peters High Schools League 2024				Tournament JCC St Peters High Schools League 2024
		date 2024-09-09	rnd 1	type Standard	result 1	date 2024-10-07	rnd 4	type Standard	result 1
		Opponent Mukadam, A (Abhir)				Opponent Neethling, V (Valiant)
2	1	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-03-10	rnd 5	type Standard	result 1	date 2025-03-10	rnd 5	type Standard	result 1
		Opponent Mkwalo, N (Nokwando)				Opponent Mkwalo, N (Nokwando)
3	1	Tournament Dainfern College Chess League 2024				Tournament Dainfern College Chess League 2024
		date 2024-02-05	rnd 2	type Standard	result 1	date 2024-02-05	rnd 2	type Standard	result 1
		Opponent Maaga, L (Lebone)				Opponent Maaga, L (Lebone)

#	Games	Start				End
1	2	Tournament JCC St Peters High Schools League 2024				Tournament JCC St Peters High Schools League 2024
		date 2024-09-09	rnd 1	type Standard	result 1	date 2024-10-07	rnd 4	type Standard	result 1
		Opponent Mukadam, A (Abhir)				Opponent Neethling, V (Valiant)
2	1	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-03-10	rnd 5	type Standard	result 1	date 2025-03-10	rnd 5	type Standard	result 1
		Opponent Mkwalo, N (Nokwando)				Opponent Mkwalo, N (Nokwando)
3	1	Tournament Dainfern College Chess League 2024				Tournament Dainfern College Chess League 2024
		date 2024-02-05	rnd 2	type Standard	result 1	date 2024-02-05	rnd 2	type Standard	result 1
		Opponent Maaga, L (Lebone)				Opponent Maaga, L (Lebone)

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	Mukadam ,A (Abhir)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mukadam ,A (Abhir)	2	1228.3	1228.3	2	1233.3	1228.3	0	0	0	0	0	0
2	Neethling ,V (Valiant)	1	1	425	1	1	425	0	0	0	0	0	0
2	Neethling ,V (Valiant)	1	1202	1627	1	1202.4	1627	0	0	0	0	0	0
3	Maaga ,L (Lebone)	1	1	425	1	1	425	0	0	0	0	0	0
3	Maaga ,L (Lebone)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Moloi ,T (Tumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Moloi ,T (Tumelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Lutchan ,A (Ariyn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Lutchan ,A (Ariyn)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Maselela ,L (Leago)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Maselela ,L (Leago)	1	1237.8	812.8	1	1245.9	812.8	0	0	0	0	0	0
7	Lancaster ,G (Gemma)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lancaster ,G (Gemma)	1	1153.1	728.1	1	1143.1	728.1	0	0	0	0	0	0
8	Mkwalo ,N (Nokwando)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mkwalo ,N (Nokwando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ndamase ,O (Owam)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ndamase ,O (Owam)	1	1200	775	1	1200	775	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

Yu, J (Jikun)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms