Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rivera, J (Joey)

Chess SA id

1120118540

FIDE id

Date of birth

2012-05-09 (U14)

Gender

Male

Region

iLembe (KIK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-11-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1170	1127.2	1207.4	1200
Raw rating	1170	1127.2	1207.4	1200
Weighted rating	1161	1127.2	1195.7	1200
Weighted performance	883.8	0	0	0
Floor	700	700	716.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.1	183.9	164.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1275.2 2021-11-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1216.8 2021-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1216.8 2022-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1275.2 2021-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1170	1127.2	1207.4	1200
Analysis
Rating	1170	1127.2	1207.4	1200
Raw rating	1170	1127.2	1207.4	1200
Weighted rating	1161	1127.2	1195.7
Weighted performance	883.8	0	0
K-factor	36	36	36	36
Floor	700	700	716.8	700
Max/Min rating change allowed	173.1	183.9	164.1	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	1170	1127.2	1207.4	1200
New weighted rating	1162.2	1127.2	1197.2	1200
New weighted performance	883.4	0	0	0
Temp new rating	1170	1127.2	1207.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1170	1127.2	1207.4	1200
New K-factor	36	36	36	36
New floor	700	700	716.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	0	10
	5	5	0
	9	4	5
	5	0	5
History	34	14	20

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	iLembe (KIK)
Province	KwaZulu Natal (KZ)
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	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	34	14	41.18	-75	1221.3	1146.3
Standard	14	4.5	32.14	-151.8	1220.2	1068.4
Rapid	20	9.5	47.5	-21.2	1222.2	1200.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1170	1127.2	1207.4	1200
2025-09-01	1170	1127.2	1207.4	1200
2025-08-01	1170	1127.2	1207.4	1200
2025-07-01	1170	1127.2	1207.4	1200
2025-06-01	1170	1127.2	1207.4	1200
2025-05-01	1170	1127.2	1207.4	1200
2025-04-01	1170	1127.2	1207.4	1200
2025-03-01	1170	1127.2	1207.4	1200
2025-02-01	1170	1127.2	1207.4	1200
2025-01-01	1170	1127.2	1207.4	1200
2024-12-01	1144.8	1127.2	1173.6	1200
2024-11-01	1144.8	1127.2	1173.6	1200
2024-10-01	1144.8	1127.2	1173.6	1200
2024-09-01	1144.8	1127.2	1173.6	1200
2024-08-01	1144.8	1127.2	1173.6	1200
2024-07-01	1144.8	1127.2	1173.6	1200
2024-06-01	1144.8	1127.2	1173.6	1200
2024-08-01	1144.8	1127.2	1173.6	1200
2024-04-01	1144.8	1127.2	1173.6	1200
2024-03-01	1144.8	1127.2	1173.6	1200
2024-02-01	1138.8	1127.2	1177.9	1200
2024-01-01	1138.8	1127.2	1177.9	1200
2023-12-01	1138.8	1127.2	1177.9	1200
2023-11-01	1138.8	1127.2	1177.9	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	Umhlali Preparatory Inter House Chess 2024 (Grade 6)	2024-11-26	2024-11-26	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
2	Umhlali Rapid 2024 (Senior Primary)	2024-02-17	2024-02-17	Rapid	iLembe (KIK)	5	5	2	Yes	Analysis
3	ILembe Youth Trials 2023 (U12)	2023-04-22	2023-04-22	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
4	Ilembe Youth Trials 2022 (U12)	2022-04-23	2022-04-23	Standard	iLembe (KIK)	5	4	1	Yes	Analysis
5	Ashton Ballito Championship 2022 (B)	2022-02-19	2022-02-19	Rapid	iLembe (KIK)	5	5	1.5	Yes	Analysis
6	Umhlali Prep Inter-House 2021 (Grade 3)	2021-11-25	2021-11-25	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
7	Mama Luthuli Chess Tournament 2019 (Junior Primary)	2019-08-30	2019-08-30	Standard	iLembe (KIK)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Umhlali Rapid 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 2	type Rapid	result 1
		Opponent Mbeje, U (Uminathi)				Opponent Slevin, M (Matthew)
2	2	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 1	date 2021-11-25	rnd 2	type Rapid	result 1
		Opponent Lombaard, C (Caleb)				Opponent Khubeka, G (Godwin)
3	1	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 4	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Lurie, A (Alex)

#	Games	Start				End
1	1	Tournament ILembe Youth Trials 2023				Tournament ILembe Youth Trials 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Maharaj, R (Riyav)				Opponent Maharaj, R (Riyav)
2	1	Tournament ILembe Youth Trials 2023				Tournament ILembe Youth Trials 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Maharaj, R (Rudhav)				Opponent Maharaj, R (Rudhav)
3	1	Tournament Ilembe Youth Trials 2022				Tournament Ilembe Youth Trials 2022
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-04-23	rnd 5	type Standard	result 1
		Opponent Gasa, S (Simphiwe)				Opponent Gasa, S (Simphiwe)

#	Games	Start				End
1	3	Tournament Umhlali Rapid 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 2	type Rapid	result 1
		Opponent Mbeje, U (Uminathi)				Opponent Slevin, M (Matthew)
2	2	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 1	date 2021-11-25	rnd 2	type Rapid	result 1
		Opponent Lombaard, C (Caleb)				Opponent Khubeka, G (Godwin)
3	1	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 4	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Lurie, A (Alex)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Umhlali Rapid 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 2	type Rapid	result 1
		Opponent Mbeje, U (Uminathi)				Opponent Slevin, M (Matthew)
2	2	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 1	date 2021-11-25	rnd 2	type Rapid	result 1
		Opponent Lombaard, C (Caleb)				Opponent Khubeka, G (Godwin)
3	1	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 4	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Lurie, A (Alex)

#	Games	Start				End
1	1	Tournament ILembe Youth Trials 2023				Tournament ILembe Youth Trials 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Maharaj, R (Riyav)				Opponent Maharaj, R (Riyav)
2	1	Tournament ILembe Youth Trials 2023				Tournament ILembe Youth Trials 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Maharaj, R (Rudhav)				Opponent Maharaj, R (Rudhav)
3	1	Tournament Ilembe Youth Trials 2022				Tournament Ilembe Youth Trials 2022
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-04-23	rnd 5	type Standard	result 1
		Opponent Gasa, S (Simphiwe)				Opponent Gasa, S (Simphiwe)

#	Games	Start				End
1	3	Tournament Umhlali Rapid 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 2	type Rapid	result 1
		Opponent Mbeje, U (Uminathi)				Opponent Slevin, M (Matthew)
2	2	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 1	date 2021-11-25	rnd 2	type Rapid	result 1
		Opponent Lombaard, C (Caleb)				Opponent Khubeka, G (Godwin)
3	1	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 4	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Lurie, A (Alex)

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	Maharaj ,R (Riyav)	1	1	425	1	1	425	0	0	0	0	0	0
1	Maharaj ,R (Riyav)	1	1176	1601	1	1200	1601	0	0	0	0	0	0
2	Sangster ,I (Issy)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sangster ,I (Issy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mchunu ,N (Nhlonipho)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mchunu ,N (Nhlonipho)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Gasa ,S (Simphiwe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Gasa ,S (Simphiwe)	1	1136.7	1561.7	1	1134	1561.7	0	0	0	0	0	0
5	O`neill ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	O`neill ,T (Tristan)	1	1207.4	782.4	1	1200	782.4	0	0	0	0	0	0
6	Nkosi ,S (Sihole)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nkosi ,S (Sihole)	1	1192.5	767.5	1	1098.8	767.5	0	0	0	0	0	0
7	Khumalo ,N (Nobuhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Khumalo ,N (Nobuhle)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Coward ,C (Cameron)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Coward ,C (Cameron)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Budhram ,K (Kaylee)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Budhram ,K (Kaylee)	1	1516.2	1091.2	1	1526.9	1091.2	0	0	0	0	0	0
10	Chetty ,A (Ayushen)	1	1	425	0	0	0	1	1	425	0	0	0
10	Chetty ,A (Ayushen)	1	1167.6	1592.6	0	0	0	1	1147.8	1592.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Rivera, J (Joey)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms