Chess South Africa Ratings Database

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Personal

Rheeder, E (Ezra)

Chess SA id

1150190454

FIDE id

Date of birth

2015-07-11 (U12)

Gender

Male

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1341.1	1257.3	1343.4	1200
Raw rating	1341.1	1257.3	1343.4	1200
Weighted rating	1271.3	1247.2	1243.9	1200
Weighted performance	1311.8	1096.8	0	0
Floor	841.1	757.3	843.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.6	152.8	135.2	165.8
Highest rating	1341.1 2025-08-01	1281 2024-07-01	1343.4 2025-08-01	1200 2018-10-01
Highest raw rating	1341.1 2025-08-01	1257.3 2024-12-01	1343.4 2025-08-01	1200 2024-02-01
Highest weighted rating	1252.9 2025-08-01	1242.8 2025-08-01	1222.8 2025-08-01	1200 2018-10-01
Highest weighted performance	1341.1 2025-08-01	1281 2024-07-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1341.1	1257.3	1343.4	1200
Analysis
Rating	1341.1	1257.3	1343.4	1200
Raw rating	1341.1	1257.3	1343.4	1200
Weighted rating	1271.3	1247.2	1243.9
Weighted performance	1311.8	1096.8	0
K-factor	36	36	36	36
Floor	841.1	757.3	843.4	700
Max/Min rating change allowed	135.6	152.8	135.2	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	1341.1	1257.3	1343.4	1200
New weighted rating	1279	1249.1	1253.6	1200
New weighted performance	1311.4	1096.4	0	0
Temp new rating	1341.1	1257.3	1343.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1341.1	1257.3	1343.4	1200
New K-factor	36	36	36	36
New floor	841.1	757.3	843.4	700

Item	Main	Standard	Rapid
	0	0	0
	10	0	10
	29	29	0
	5	0	5
	0	0	0
	0	0	0
History	44	29	15

Games since
	Main 44	Standard 29		Rapid 15		Blitz 0
Gender	Male
Age group	U12
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	2772		180		35
Male	2230		152		31
U12	405		28		8
U12 Male	298		25		7
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	10	9	90	340	1224.4	1564.4
Standard	0	0	0	0	0	0
Rapid	10	9	90	340	1224.4	1564.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	27	61.36	96.6	1220.1	1316.7
Standard	29	16	55.17	44	1222.8	1266.8
Rapid	15	11	73.33	198.3	1214.8	1413.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1341.1	1257.3	1343.4	1200
2025-09-01	1341.1	1257.3	1343.4	1200
2025-08-01	1341.1	1257.3	1343.4	1200
2025-07-01	1279.8	1257.3	1260.5	1200
2025-06-01	1279.8	1257.3	1260.5	1200
2025-05-01	1279.8	1257.3	1260.5	1200
2025-04-01	1279.8	1257.3	1260.5	1200
2025-03-01	1255.9	1257.3	1191.2	1200
2025-02-01	1255.9	1257.3	1191.2	1200
2025-01-01	1255.9	1257.3	1190.3	1200
2024-12-01	1255.9	1257.3	1190.3	1200
2024-11-01	1246.9	1250.1	1190.3	1200
2024-10-01	1246.9	1250.1	1190.3	1200
2024-09-01	1246.9	1250.1	1190.3	1200
2024-08-01	1246.9	1250.1	1190.3	1200
2024-07-01	1223.3	1223.1	1190.3	1200
2024-06-01	1203.6	1202.2	1190.3	1200
2024-08-01	1181.5	1180.6	1190.3	1200
2024-04-01	1181.5	1180.6	1190.3	1200
2024-03-01	1181.5	1180.6	1190.3	1200
2024-02-01	1190.5	1200	1190.3	1200
2024-01-01	1190.5	1200	1190.3	1200
2023-12-01	1190.5	1200	1190.3	1200
2023-11-01	1190.5	1200	1190.3	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	2025 Grantleigh Curro Chess Inter-House (Grade 4+5)	2025-07-01	2025-07-01	Rapid	King Cetshwayo (KUR)	5	5	5	Yes	Analysis
2	Grantleigh Chess Inter-House 2025 (Intermediate)	2025-03-27	2025-03-27	Rapid	King Cetshwayo (KUR)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Grantleigh Curro Chess Inter-House (Grade 4+5)	2025-07-01	2025-07-01	Rapid	King Cetshwayo (KUR)	5	5	5	Yes	Analysis
2	Grantleigh Chess Inter-House 2025 (Intermediate)	2025-03-27	2025-03-27	Rapid	King Cetshwayo (KUR)	5	5	4	Yes	Analysis
3	2024 King Cetshwayo Junior & Intermediate Tournament 2024 (U10 Boys)	2024-11-02	2024-11-02	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
4	2024 Nelson Mandela Chess Tournament (U10)	2024-07-20	2024-07-29	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
5	2024 King Cetshwayo Winter Open (U10)	2024-06-08	2024-06-08	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
6	2024 King Cesthwayo Chess Anniversary (U10)	2024-04-20	2024-04-21	Standard	King Cetshwayo (KUR)	7	7	4	Yes	Analysis
7	2024 King Cetshwayo Chess Open (C)	2024-02-17	2024-02-18	Standard	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
8	2023 King Cetshwayo Junior & Intermediate Chess Tournament (U10)	2023-10-28	2023-10-28	Rapid	King Cetshwayo (KUR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Grantleigh Curro Chess Inter-House				Tournament 2025 Grantleigh Curro Chess Inter-House
		date 2025-07-01	rnd 1	type Rapid	result 1	date 2025-07-01	rnd 5	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Millar, C (Caleb)
2	4	Tournament Grantleigh Chess Inter-House 2025				Tournament Grantleigh Chess Inter-House 2025
		date 2025-03-27	rnd 1	type Rapid	result 1	date 2025-03-27	rnd 4	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Walklate, D (Dustin)
3	3	Tournament 2024 King Cesthwayo Chess Anniversary				Tournament 2024 King Cesthwayo Chess Anniversary
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mampoke, B (Bophelo)				Opponent Vurden, J (Josiah)

#	Games	Start				End
1	3	Tournament 2024 King Cesthwayo Chess Anniversary				Tournament 2024 King Cesthwayo Chess Anniversary
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mampoke, B (Bophelo)				Opponent Vurden, J (Josiah)
2	2	Tournament 2024 King Cetshwayo Junior & Intermediate Tournament 2024				Tournament 2024 King Cetshwayo Junior & Intermediate Tournament 2024
		date 2024-11-02	rnd 3	type Standard	result 1	date 2024-11-02	rnd 4	type Standard	result 1
		Opponent Ramdhani, D (Devarsh)				Opponent Cronje, L (Laubscher)
3	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2024 Nelson Mandela Chess Tournament
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Mjaja, N (Nkosenhle)				Opponent Reddy-Jordaan, L (Luka)

#	Games	Start				End
1	5	Tournament 2025 Grantleigh Curro Chess Inter-House				Tournament 2025 Grantleigh Curro Chess Inter-House
		date 2025-07-01	rnd 1	type Rapid	result 1	date 2025-07-01	rnd 5	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Millar, C (Caleb)
2	5	Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament				Tournament Grantleigh Chess Inter-House 2025
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2025-03-27	rnd 4	type Rapid	result 1
		Opponent Matlala, G (Gabriella)				Opponent Walklate, D (Dustin)
3	1	Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament				Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Greyvenstein, R (Robyn)				Opponent Greyvenstein, R (Robyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2025 Grantleigh Curro Chess Inter-House				Tournament 2025 Grantleigh Curro Chess Inter-House
		date 2025-07-01	rnd 1	type Rapid	result 1	date 2025-07-01	rnd 5	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Millar, C (Caleb)
2	4	Tournament Grantleigh Chess Inter-House 2025				Tournament Grantleigh Chess Inter-House 2025
		date 2025-03-27	rnd 1	type Rapid	result 1	date 2025-03-27	rnd 4	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Walklate, D (Dustin)
3	3	Tournament 2024 King Cesthwayo Chess Anniversary				Tournament 2024 King Cesthwayo Chess Anniversary
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mampoke, B (Bophelo)				Opponent Vurden, J (Josiah)

#	Games	Start				End
1	3	Tournament 2024 King Cesthwayo Chess Anniversary				Tournament 2024 King Cesthwayo Chess Anniversary
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mampoke, B (Bophelo)				Opponent Vurden, J (Josiah)
2	2	Tournament 2024 King Cetshwayo Junior & Intermediate Tournament 2024				Tournament 2024 King Cetshwayo Junior & Intermediate Tournament 2024
		date 2024-11-02	rnd 3	type Standard	result 1	date 2024-11-02	rnd 4	type Standard	result 1
		Opponent Ramdhani, D (Devarsh)				Opponent Cronje, L (Laubscher)
3	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2024 Nelson Mandela Chess Tournament
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Mjaja, N (Nkosenhle)				Opponent Reddy-Jordaan, L (Luka)

#	Games	Start				End
1	5	Tournament 2025 Grantleigh Curro Chess Inter-House				Tournament 2025 Grantleigh Curro Chess Inter-House
		date 2025-07-01	rnd 1	type Rapid	result 1	date 2025-07-01	rnd 5	type Rapid	result 1
		Opponent Mbonambi, B (Bayanda)				Opponent Millar, C (Caleb)
2	5	Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament				Tournament Grantleigh Chess Inter-House 2025
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2025-03-27	rnd 4	type Rapid	result 1
		Opponent Matlala, G (Gabriella)				Opponent Walklate, D (Dustin)
3	1	Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament				Tournament 2023 King Cetshwayo Junior & Intermediate Chess Tournament
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Greyvenstein, R (Robyn)				Opponent Greyvenstein, R (Robyn)

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	Ramdhani ,D (Devarsh)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
1	Ramdhani ,D (Devarsh)	3	1205.2	1063.6	2	1160.4	1205.2	1	1268.1	780.2	0	0	0
2	Mdlalose ,S (Sisekelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mdlalose ,S (Sisekelo)	2	1325.2	900.2	2	1277.6	900.2	0	0	0	0	0	0
3	Nxumalo ,W (Welile)	2	1	0	2	1	0	0	0	0	0	0	0
3	Nxumalo ,W (Welile)	2	1195.7	1195.7	2	1191.2	1195.7	0	0	0	0	0	0
4	Reddy ,T (Trisholin)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Reddy ,T (Trisholin)	2	1263.4	1263.4	1	1240	1688.4	1	1296.6	838.4	0	0	0
5	Beharry ,A (Aurora)	2	1	0	1	0	-425	1	1	425	0	0	0
5	Beharry ,A (Aurora)	2	1338.6	1338.6	1	1286	913.6	1	1484.5	1763.6	0	0	0
6	Walklate ,D (Dustin)	2	2	425	0	0	0	2	2	425	0	0	0
6	Walklate ,D (Dustin)	2	1214.4	1639.4	0	0	0	2	1227.6	1639.4	0	0	0
7	Mbonambi ,B (Bayanda)	2	2	425	0	0	0	2	2	425	0	0	0
7	Mbonambi ,B (Bayanda)	2	1200.2	1625.2	0	0	0	2	1200.9	1625.2	0	0	0
8	Mampoke ,B (Bophelo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mampoke ,B (Bophelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Khanyile ,K (Kgosi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Khanyile ,K (Kgosi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Bunseelal ,A (Aryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bunseelal ,A (Aryan)	1	1188.9	763.9	1	1164.7	763.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Rheeder, E (Ezra)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms