Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weder, E (Emil)

Chess SA id

1100112371

FIDE id

Date of birth

2010-08-12 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1430.8	1438.9	1170	1200
Raw rating	1430.8	1438.9	1170	1200
Weighted rating	1425.4	1432.7	1170	1200
Weighted performance	1186.7	1184.8	0	0
Floor	930.8	938.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	119.3	118	173.1	165.8
Highest rating	1430.8 2024-09-01	1438.9 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1430.8 2024-09-01	1438.9 2024-09-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1418.8 2025-08-01	1425.2 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1420.6 2024-08-01	1418.4 2024-08-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1430.8	1438.9	1170	1200
Analysis
Rating	1430.8	1438.9	1170	1200
Raw rating	1430.8	1438.9	1170	1200
Weighted rating	1425.4	1432.7	1170
Weighted performance	1186.7	1184.8	0
K-factor	32	32	36	36
Floor	930.8	938.9	700	700
Max/Min rating change allowed	119.3	118	173.1	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	1430.8	1438.9	1170	1200
New weighted rating	1426.9	1434.3	1170	1200
New weighted performance	1178	1176.1	0	0
Temp new rating	1430.8	1438.9	1170	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1430.8	1438.9	1170	1200
New K-factor	32	32	36	36
New floor	930.8	938.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	14	14	0
	32	32	0
	7	0	7
	0	0	0
History	62	55	7

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
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	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	62	39	62.9	109.7	1259.9	1369.6
Standard	55	35.5	64.55	123.6	1258.5	1382.1
Rapid	7	3.5	50	0	1271	1271
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1430.8	1438.9	1170	1200
2025-09-30	1430.8	1438.9	1170	1200
2025-09-01	1430.8	1438.9	1170	1200
2025-08-01	1430.8	1438.9	1170	1200
2025-07-01	1430.8	1438.9	1170	1200
2025-06-01	1430.8	1438.9	1170	1200
2025-05-01	1430.8	1438.9	1170	1200
2025-04-01	1430.8	1438.9	1170	1200
2025-03-01	1430.8	1438.9	1170	1200
2025-02-01	1430.8	1438.9	1170	1200
2025-01-01	1430.8	1438.9	1170	1200
2024-12-01	1430.8	1438.9	1170	1200
2024-11-01	1430.8	1438.9	1170	1200
2024-10-01	1430.8	1438.9	1170	1200
2024-09-01	1430.8	1438.9	1170	1200
2024-08-01	1400.3	1403.4	1170	1200
2024-07-01	1400.3	1403.4	1170	1200
2024-09-01	1400.3	1403.4	1170	1200
2024-05-01	1400.3	1403.4	1170	1200
2024-04-01	1400.3	1403.4	1170	1200
2024-03-01	1400.3	1403.4	1170	1200
2024-02-01	1400.3	1403.4	1170	1200
2024-01-01	1319.5	1314.1	1170	1200
2023-12-01	1319.5	1314.1	1170	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	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
2	2024 Tshwane Chess OPEN Registration Tournament (C2)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U14B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
4	2023 Alekhine Open Tournament (C)	2023-09-09	2023-09-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2023 Etienne Lewis Closed Tournament (U14)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
6	2023 Tshwane South School District CLOSED League Championship (U13)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	2023 Lubowski Open Tournament (C)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	2023 Tshwane South School District CLOSED Individual Championships (U13 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3.5	Yes	Analysis
11	2019 D4 Tshwane South Schools League Team Finals (U9)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
12	2019 D4 Individual Finals (U9 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2023 Alekhine Open Tournament				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2023-09-09	rnd 3	type Standard	result 0.5	date 2024-01-27	rnd 2	type Standard	result 1
		Opponent Hu-Grobbelaar, L (Lalu)				Opponent Reddy, KS (Kashen Shivaan)
2	6	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-07-29	rnd 5	type Standard	result 1	date 2023-08-27	rnd 5	type Standard	result 1
		Opponent Pillay, K (Ketana)				Opponent Naude, J (Johan)
3	6	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament Gauteng Schools Individual Finals 2023
		date 2023-04-22	rnd 1	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Asante, P (Prince)				Opponent Mampheko, R (Relebogile)

#	Games	Start				End
1	10	Tournament 2023 Alekhine Open Tournament				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2023-09-09	rnd 3	type Standard	result 0.5	date 2024-01-27	rnd 2	type Standard	result 1
		Opponent Hu-Grobbelaar, L (Lalu)				Opponent Reddy, KS (Kashen Shivaan)
2	7	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament Gauteng Schools Individual Finals 2023
		date 2019-07-27	rnd 5	type Standard	result 0.5	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Sutherland, R (Reuben)				Opponent Mampheko, R (Relebogile)
3	6	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-07-29	rnd 5	type Standard	result 1	date 2023-08-27	rnd 5	type Standard	result 1
		Opponent Pillay, K (Ketana)				Opponent Naude, J (Johan)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Van Staden, R (Rikus)				Opponent Gounder, A (Arun)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Van Baalen, J (Jakobus Michael)				Opponent Van Baalen, J (Jakobus Michael)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 0.5	date 2022-04-23	rnd 1	type Rapid	result 0.5
		Opponent Myburgh, J (Jacques)				Opponent Myburgh, J (Jacques)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-27	rnd 2	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Reddy, KS (Kashen Shivaan)
2	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Bogaard, FK (Franco)				Opponent Machele, T (Tumisho)
3	4	Tournament Gauteng Schools Individual Finals 2023				Tournament 2023 Lubowski Open Tournament
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-06-24	rnd 2	type Standard	result 1
		Opponent Dlula, V (Vuyo)				Opponent Makaleng, M (Mosa)

#	Games	Start				End
1	7	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-27	rnd 2	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Reddy, KS (Kashen Shivaan)
2	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Bogaard, FK (Franco)				Opponent Machele, T (Tumisho)
3	4	Tournament Gauteng Schools Individual Finals 2023				Tournament 2023 Lubowski Open Tournament
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-06-24	rnd 2	type Standard	result 1
		Opponent Dlula, V (Vuyo)				Opponent Makaleng, M (Mosa)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Van Staden, R (Rikus)				Opponent Gounder, A (Arun)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Van Baalen, J (Jakobus Michael)				Opponent Van Baalen, J (Jakobus Michael)

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	Naude ,J (Johan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Naude ,J (Johan)	2	1307.8	1307.8	2	1323.1	1307.8	0	0	0	0	0	0
2	Sutherland ,R (Reuben)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Sutherland ,R (Reuben)	2	936.8	724.3	2	916.9	724.3	0	0	0	0	0	0
3	Rautenbach ,H (Helen Christine)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Rautenbach ,H (Helen Christine)	2	1435.3	1010.3	2	1426	1010.3	0	0	0	0	0	0
4	Els ,P (Paul)	1	1	425	1	1	425	0	0	0	0	0	0
4	Els ,P (Paul)	1	1266	1691	1	1269.1	1691	0	0	0	0	0	0
5	Hebtemariam ,K (Kidus)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Hebtemariam ,K (Kidus)	1	1240.8	815.8	1	1245.5	815.8	0	0	0	0	0	0
6	Hu-Grobbelaar ,L (Lalu)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Hu-Grobbelaar ,L (Lalu)	1	1345.5	1345.5	1	1334.3	1345.5	0	0	0	0	0	0
7	Tseka ,J (Junior)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Tseka ,J (Junior)	1	1310	1310	1	1312	1310	0	0	0	0	0	0
8	Du Plessis ,D (Dotynian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Plessis ,D (Dotynian)	1	1273.2	1698.2	1	1273.1	1698.2	0	0	0	0	0	0
9	Hanslo ,K (Kevin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Hanslo ,K (Kevin)	1	1391.2	1391.2	1	1370.9	1391.2	0	0	0	0	0	0
10	Mampheko ,R (Relebogile)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mampheko ,R (Relebogile)	1	1200	1625	1	1200	1625	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

Weder, E (Emil)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms