Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roberts, E (Ethan)

Chess SA id

1110142366

FIDE id

Date of birth

2011-05-17 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1231.8	1218.4	1215.6	1200
Raw rating	1231.8	1218.4	1215.6	1200
Weighted rating	1231.8	1218.4	1215.6	1200
Weighted performance	808.7	0	0	0
Floor	731.8	718.4	715.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.5	161.5	162.2	165.8
Highest rating	1231.8 2024-02-01	1218.4 2024-02-01	1257.3 2022-11-01	1200 2018-10-01
Highest raw rating	1231.8 2024-02-01	1218.4 2024-02-01	1215.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1231.8 2025-02-01	1218.4 2025-02-01	1215.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1257.3 2022-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1231.8	1218.4	1215.6	1200
Analysis
Rating	1231.8	1218.4	1215.6	1200
Raw rating	1231.8	1218.4	1215.6	1200
Weighted rating	1231.8	1218.4	1215.6
Weighted performance	808.7	0	0
K-factor	36	36	36	36
Floor	731.8	718.4	715.6	700
Max/Min rating change allowed	158.5	161.5	162.2	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	1231.8	1218.4	1215.6	1200
New weighted rating	1231.8	1218.4	1215.6	1200
New weighted performance	801.4	0	0	0
Temp new rating	1231.8	1218.4	1215.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1231.8	1218.4	1215.6	1200
New K-factor	36	36	36	36
New floor	731.8	718.4	715.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	17	11	6
	0	0	0
History	27	21	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	27	12.5	46.3	-31.5	1273.2	1241.8
Standard	21	9.5	45.24	-40.5	1272.4	1231.9
Rapid	6	3	50	0	1276.3	1276.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1231.8	1218.4	1215.6	1200
2025-09-30	1231.8	1218.4	1215.6	1200
2025-09-01	1231.8	1218.4	1215.6	1200
2025-08-01	1231.8	1218.4	1215.6	1200
2025-07-01	1231.8	1218.4	1215.6	1200
2025-06-01	1231.8	1218.4	1215.6	1200
2025-05-01	1231.8	1218.4	1215.6	1200
2025-04-01	1231.8	1218.4	1215.6	1200
2025-03-01	1231.8	1218.4	1215.6	1200
2025-02-01	1231.8	1218.4	1215.6	1200
2025-01-01	1231.8	1218.4	1215.6	1200
2024-12-01	1231.8	1218.4	1215.6	1200
2024-11-01	1231.8	1218.4	1215.6	1200
2024-10-01	1231.8	1218.4	1215.6	1200
2024-09-01	1231.8	1218.4	1215.6	1200
2024-08-01	1231.8	1218.4	1215.6	1200
2024-07-01	1231.8	1218.4	1215.6	1200
2024-09-01	1231.8	1218.4	1215.6	1200
2024-05-01	1231.8	1218.4	1215.6	1200
2024-04-01	1231.8	1218.4	1215.6	1200
2024-03-01	1231.8	1218.4	1215.6	1200
2024-02-01	1231.8	1218.4	1215.6	1200
2024-01-01	1231.8	1218.4	1215.6	1200
2023-12-01	1231.8	1218.4	1215.6	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	Cape Town Open 2023 (U14)	2023-03-25	2023-03-25	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
2	Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
3	Central District School Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
4	Kenridge Rapid 2022 (U12)	2022-11-05	2022-11-05	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Western Cape Closed Championship 2022 (U12)	2022-09-24	2022-09-24	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	South African Open 2022 (U12)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	0	0	No	Analysis
7	WP Closed 2022 (U12)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 1
		Opponent Mandondo, N (Nikelo)				Opponent Pfaff, R (Ruben)
2	2	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Gardner, C (Caleb)				Opponent Fisher, A (Aaron)
3	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, I (Iwan)				Opponent Engelbrecht, A (Alec)

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 1
		Opponent Mandondo, N (Nikelo)				Opponent Pfaff, R (Ruben)
2	3	Tournament Western Cape Closed Championship 2022				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2022-09-24	rnd 5	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Fisher, A (Aaron)
3	2	Tournament WP Closed 2022				Tournament WP Closed 2022
		date 2022-06-16	rnd 2	type Standard	result 1	date 2022-06-16	rnd 3	type Standard	result 1
		Opponent Potgieter, L (Lian)				Opponent Fisher, A (Aaron)

#	Games	Start				End
1	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, I (Iwan)				Opponent Engelbrecht, A (Alec)
2	1	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 5	type Rapid	result 1	date 2022-11-05	rnd 5	type Rapid	result 1
		Opponent Lee, S (Shakoor)				Opponent Lee, S (Shakoor)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 1
		Opponent Mandondo, N (Nikelo)				Opponent Pfaff, R (Ruben)
2	2	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Gardner, C (Caleb)				Opponent Fisher, A (Aaron)
3	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, I (Iwan)				Opponent Engelbrecht, A (Alec)

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 1
		Opponent Mandondo, N (Nikelo)				Opponent Pfaff, R (Ruben)
2	3	Tournament Western Cape Closed Championship 2022				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2022-09-24	rnd 5	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Fisher, A (Aaron)
3	2	Tournament WP Closed 2022				Tournament WP Closed 2022
		date 2022-06-16	rnd 2	type Standard	result 1	date 2022-06-16	rnd 3	type Standard	result 1
		Opponent Potgieter, L (Lian)				Opponent Fisher, A (Aaron)

#	Games	Start				End
1	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, I (Iwan)				Opponent Engelbrecht, A (Alec)
2	1	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 5	type Rapid	result 1	date 2022-11-05	rnd 5	type Rapid	result 1
		Opponent Lee, S (Shakoor)				Opponent Lee, S (Shakoor)

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	Sher ,J (Jonah)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Sher ,J (Jonah)	2	1189.4	1401.9	2	1162.6	1401.9	0	0	0	0	0	0
2	Fisher ,A (Aaron)	2	2	425	2	2	425	0	0	0	0	0	0
2	Fisher ,A (Aaron)	2	1395.3	1820.3	2	1332.7	1820.3	0	0	0	0	0	0
3	Lee ,S (Shakoor)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Lee ,S (Shakoor)	2	1387.1	1387.1	1	1408.1	962.1	1	1263.9	1812.1	0	0	0
4	Potgieter ,L (Lian)	1	1	425	1	1	425	0	0	0	0	0	0
4	Potgieter ,L (Lian)	1	1165.7	1590.7	1	1179.2	1590.7	0	0	0	0	0	0
5	Muller ,H (Helgard)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Muller ,H (Helgard)	1	1339.2	914.2	1	1311.7	914.2	0	0	0	0	0	0
6	Lewaks ,A (Andrea)	1	1	425	1	1	425	0	0	0	0	0	0
6	Lewaks ,A (Andrea)	1	1263.4	1688.4	1	1216.1	1688.4	0	0	0	0	0	0
7	Cockin ,R (Ruan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Cockin ,R (Ruan)	1	1429	1004	1	1433	1004	0	0	0	0	0	0
8	Els ,A (Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Els ,A (Aiden)	1	1302.1	877.1	1	1260.4	877.1	0	0	0	0	0	0
9	Kwabe ,A (Awonke)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kwabe ,A (Awonke)	1	1223.2	798.2	1	1228	798.2	0	0	0	0	0	0
10	Rall ,T (Tayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Rall ,T (Tayne)	1	1332.4	907.4	1	1285.6	907.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Roberts, 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