Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yu, E (Ethan)

Chess SA id

1100132204

FIDE id

Date of birth

2010-07-06 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1240.7	1248.4	1200	1200
Raw rating	1240.7	1248.4	1200	1200
Weighted rating	1223.9	1228.4	1200	1200
Weighted performance	0	0	0	0
Floor	740.7	748.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.5	154.8	165.8	165.8
Highest rating	1240.7 2025-03-01	1248.4 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1240.7 2025-03-01	1248.4 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1216.8 2025-08-01	1219.9 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1240.7	1248.4	1200	1200
Analysis
Rating	1240.7	1248.4	1200	1200
Raw rating	1240.7	1248.4	1200	1200
Weighted rating	1223.9	1228.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	740.7	748.4	700	700
Max/Min rating change allowed	156.5	154.8	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	1240.7	1248.4	1200	1200
New weighted rating	1226	1230.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1240.7	1248.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1240.7	1248.4	1200	1200
New K-factor	36	36	36	36
New floor	740.7	748.4	700	700

Item	Main	Standard
	0	0
	5	5
	0	0
	10	10
	0	0
	0	0
History	20	20

Games since
	Main 5	Standard 5		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	5	3.5	70	170	1261.4	1431.4
Standard	5	3.5	70	170	1261.4	1431.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	10	50	0	1234.5	1234.5
Standard	20	10	50	0	1234.5	1234.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1240.7	1248.4	1200	1200
2025-09-30	1240.7	1248.4	1200	1200
2025-09-01	1240.7	1248.4	1200	1200
2025-08-01	1240.7	1248.4	1200	1200
2025-07-01	1240.7	1248.4	1200	1200
2025-06-01	1240.7	1248.4	1200	1200
2025-05-01	1240.7	1248.4	1200	1200
2025-04-01	1240.7	1248.4	1200	1200
2025-03-01	1240.7	1248.4	1200	1200
2025-02-01	1198.7	1198.4	1200	1200
2025-01-01	1198.7	1198.4	1200	1200
2024-12-01	1198.7	1198.4	1200	1200
2024-11-01	1198.7	1198.4	1200	1200
2024-10-01	1198.7	1198.4	1200	1200
2024-09-01	1198.7	1198.4	1200	1200
2024-08-01	1198.7	1198.4	1200	1200
2024-07-01	1198.7	1198.4	1200	1200
2024-09-01	1198.7	1198.4	1200	1200
2024-05-01	1198.7	1198.4	1200	1200
2024-04-01	1198.7	1198.4	1200	1200
2024-03-01	1198.7	1198.4	1200	1200
2024-02-01	1198.7	1198.4	1200	1200
2024-01-01	1198.7	1198.4	1200	1200
2023-12-01	1198.7	1198.4	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	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	3rd Knight Riders Junior Open 2023 (U14+U16)	2023-07-29	2023-07-29	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Knight Riders Youth Day 2023 (U14+U16)	2023-06-16	2023-06-16	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Stander, M (Marius)				Opponent Mkulisi, P (Philisiwe)
2	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 0.5
		Opponent Oyetunde, T (Tosin)				Opponent Subroyen, J (Jeevesh)
3	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 2	type Standard	result 1
		Opponent Rizvi, Z (Zainab)				Opponent Parag Jugmohan, T (Tejas)

#	Games	Start				End
1	3	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Stander, M (Marius)				Opponent Mkulisi, P (Philisiwe)
2	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 0.5
		Opponent Oyetunde, T (Tosin)				Opponent Subroyen, J (Jeevesh)
3	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 2	type Standard	result 1
		Opponent Rizvi, Z (Zainab)				Opponent Parag Jugmohan, T (Tejas)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Stander, M (Marius)				Opponent Mkulisi, P (Philisiwe)
2	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 2	type Standard	result 1
		Opponent Rizvi, Z (Zainab)				Opponent Parag Jugmohan, T (Tejas)
3	1	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Oyetunde, T (Tosin)				Opponent Oyetunde, T (Tosin)

#	Games	Start				End
1	3	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Stander, M (Marius)				Opponent Mkulisi, P (Philisiwe)
2	2	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 2	type Standard	result 1
		Opponent Rizvi, Z (Zainab)				Opponent Parag Jugmohan, T (Tejas)
3	1	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Oyetunde, T (Tosin)				Opponent Oyetunde, T (Tosin)

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	Joseph ,J (Jamie)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Joseph ,J (Jamie)	2	1272.6	847.6	2	1269.8	847.6	0	0	0	0	0	0
2	Stander ,M (Marius)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Stander ,M (Marius)	2	1203.1	1415.6	2	1201.8	1415.6	0	0	0	0	0	0
3	Parag ,T (Tejas)	1	1	425	1	1	425	0	0	0	0	0	0
3	Parag ,T (Tejas)	1	1272	1697	1	1270.7	1697	0	0	0	0	0	0
4	Simango ,S (Sibusiso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Simango ,S (Sibusiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ni ,Y (Yi Fei)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ni ,Y (Yi Fei)	1	1274.3	849.3	1	1264.6	849.3	0	0	0	0	0	0
6	Subroyen ,J (Jeevesh)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Subroyen ,J (Jeevesh)	1	1310.9	1310.9	1	1294.2	1310.9	0	0	0	0	0	0
7	Mupalala ,K (Kenzo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mupalala ,K (Kenzo)	1	1411.5	986.5	1	1402.3	986.5	0	0	0	0	0	0
8	Oyetunde ,T (Tosin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Oyetunde ,T (Tosin)	1	1260.3	1685.3	1	1263.8	1685.3	0	0	0	0	0	0
9	Macala ,L (Lunam)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Macala ,L (Lunam)	1	1095.1	670.1	1	1076.4	670.1	0	0	0	0	0	0
10	Pretorius ,A (Arnold)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pretorius ,A (Arnold)	1	1025.1	600.1	1	1012.5	600.1	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, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms