Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chong, E (Ethan)

Chess SA id

1120150448

FIDE id

Date of birth

2012-09-28 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1227.6	1220.8	1209.6	1200
Raw rating	1227.6	1220.8	1209.6	1200
Weighted rating	1196.8	1220.8	1156.2	1200
Weighted performance	0	0	0	0
Floor	727.6	720.8	709.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.4	161	163.6	165.8
Highest rating	1295.9 2023-02-01	1275.3 2023-02-01	1209.6 2025-06-01	1200 2018-10-01
Highest raw rating	1227.6 2025-06-01	1220.8 2024-03-01	1209.6 2025-06-01	1200 2024-03-01
Highest weighted rating	1227.6 2023-07-01	1220.8 2025-02-01	1209.6 2018-10-01	1200 2018-10-01
Highest weighted performance	1295.9 2023-02-01	1275.3 2023-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1227.6	1220.8	1209.6	1200
Analysis
Rating	1227.6	1220.8	1209.6	1200
Raw rating	1227.6	1220.8	1209.6	1200
Weighted rating	1196.8	1220.8	1156.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	727.6	720.8	709.6	700
Max/Min rating change allowed	159.4	161	163.6	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	1227.6	1220.8	1209.6	1200
New weighted rating	1199.9	1220.8	1161.6	1200
New weighted performance	0	0	0	0
Temp new rating	1227.6	1220.8	1209.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1227.6	1220.8	1209.6	1200
New K-factor	36	36	36	36
New floor	727.6	720.8	709.6	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	10	6	4
	0	0	0
	0	0	0
History	16	6	10

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	6	4	66.67	141.7	1355.1	1496.8
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1355.1	1496.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	7	43.75	-53.1	1303.8	1250.7
Standard	6	3	50	0	1294.6	1294.6
Rapid	10	4	40	-85	1309.3	1224.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1227.6	1220.8	1209.6	1200
2025-09-01	1227.6	1220.8	1209.6	1200
2025-08-01	1227.6	1220.8	1209.6	1200
2025-07-01	1227.6	1220.8	1209.6	1200
2025-06-01	1227.6	1220.8	1209.6	1200
2025-05-01	1179.8	1220.8	1126.9	1200
2025-04-01	1179.8	1220.8	1126.9	1200
2025-03-01	1179.8	1220.8	1126.9	1200
2025-02-01	1179.8	1220.8	1126.9	1200
2025-01-01	1178.4	1220.8	1124.4	1200
2024-12-01	1178.4	1220.8	1124.4	1200
2024-11-01	1178.4	1220.8	1124.4	1200
2024-10-01	1178.4	1220.8	1124.4	1200
2024-09-01	1178.4	1220.8	1124.4	1200
2024-08-01	1178.4	1220.8	1124.4	1200
2024-07-01	1178.4	1220.8	1124.4	1200
2024-06-01	1178.4	1220.8	1124.4	1200
2024-08-01	1178.4	1220.8	1124.4	1200
2024-04-01	1178.4	1220.8	1124.4	1200
2024-03-01	1178.4	1220.8	1124.4	1200
2024-02-01	1178.4	1220.8	1124.4	1200
2024-01-01	1178.4	1220.8	1124.4	1200
2023-12-01	1178.4	1220.8	1124.4	1200
2023-11-01	1178.4	1220.8	1124.4	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	St John's CBC Rapid 2025 (U14)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	St John's CBC Rapid 2025 (U14)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U13 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	0	Yes	Analysis
3	North District School Trials 2023 (U11 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Wang, Z (Zi Ang)				Opponent Russell, C (Christopher)
2	2	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Richards, U (Uzair)				Opponent Li, K (Karena)
3	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 6	type Rapid	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Alard, N (Nawaaz)				Opponent Alard, N (Nawaaz)

#	Games	Start				End
1	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Wang, Z (Zi Ang)				Opponent Russell, C (Christopher)

#	Games	Start				End
1	2	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Richards, U (Uzair)				Opponent Li, K (Karena)
2	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 6	type Rapid	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Alard, N (Nawaaz)				Opponent Alard, N (Nawaaz)
3	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Puwane, K (Kumnandi)				Opponent Puwane, K (Kumnandi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Wang, Z (Zi Ang)				Opponent Russell, C (Christopher)
2	2	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Richards, U (Uzair)				Opponent Li, K (Karena)
3	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 6	type Rapid	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Alard, N (Nawaaz)				Opponent Alard, N (Nawaaz)

#	Games	Start				End
1	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Wang, Z (Zi Ang)				Opponent Russell, C (Christopher)

#	Games	Start				End
1	2	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Richards, U (Uzair)				Opponent Li, K (Karena)
2	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 6	type Rapid	result 1	date 2025-05-24	rnd 6	type Rapid	result 1
		Opponent Alard, N (Nawaaz)				Opponent Alard, N (Nawaaz)
3	1	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Puwane, K (Kumnandi)				Opponent Puwane, K (Kumnandi)

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	Grove ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Grove ,T (Tyler)	1	1227.9	802.9	1	1188.8	802.9	0	0	0	0	0	0
2	Russell ,C (Christopher)	1	1	425	1	1	425	0	0	0	0	0	0
2	Russell ,C (Christopher)	1	1420.6	1845.6	1	1423.9	1845.6	0	0	0	0	0	0
3	Van Wyk ,D (Dimitri)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Wyk ,D (Dimitri)	1	1308.1	1733.1	1	1251.8	1733.1	0	0	0	0	0	0
4	Weideman ,J (Janko)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Weideman ,J (Janko)	1	1426.1	1001.1	1	1379.2	1001.1	0	0	0	0	0	0
5	Waldeck ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Waldeck ,A (Aaron)	1	1184.9	759.9	1	1200	759.9	0	0	0	0	0	0
6	Wang ,Z (Zi Ang)	1	1	425	1	1	425	0	0	0	0	0	0
6	Wang ,Z (Zi Ang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Puwane ,K (Kumnandi)	1	1	425	0	0	0	1	1	425	0	0	0
7	Puwane ,K (Kumnandi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Alard ,N (Nawaaz)	1	1	425	0	0	0	1	1	425	0	0	0
8	Alard ,N (Nawaaz)	1	1262.8	1687.8	0	0	0	1	1235.6	1687.8	0	0	0
9	Solomon ,I (Izaiah)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Solomon ,I (Izaiah)	1	1594.9	1169.9	0	0	0	1	1599.4	1169.9	0	0	0
10	Mackinna ,C (Cashlin)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mackinna ,C (Cashlin)	1	1548.6	1123.6	0	0	0	1	1458.8	1123.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Chong, 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