Chess South Africa Ratings Database

PLAYER PAGE

Personal

Abbott, J (Janco)

Chess SA id

1090139531

FIDE id

Date of birth

2009-11-11 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1167.2

Item	Main	Standard	Rapid	Blitz
Rating	1217.8	1173.7	1253.5	1200
Raw rating	1217.8	1173.7	1253.5	1200
Weighted rating	1216.8	1164.6	1251.7	1200
Weighted performance	1068.3	995.1	0	0
Floor	782	762.6	753.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.7	172.2	153.6	165.8
Highest rating	1289.9 2022-03-01	1285 2022-03-01	1265.9 2023-05-01	1200 2018-10-01
Highest raw rating	1282 2023-06-01	1262.6 2023-06-01	1253.5 2024-06-01	1200 2024-02-01
Highest weighted rating	1282 2023-08-01	1262.6 2023-08-01	1250.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1289.9 2022-03-01	1285 2022-03-01	1265.9 2023-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1217.8	1173.7	1253.5	1200
Analysis
Rating	1217.8	1173.7	1253.5	1200
Raw rating	1217.8	1173.7	1253.5	1200
Weighted rating	1216.8	1164.6	1251.7
Weighted performance	1068.3	995.1	0
K-factor	36	36	36	36
Floor	782	762.6	753.5	700
Max/Min rating change allowed	161.7	172.2	153.6	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	1217.8	1173.7	1253.5	1200
New weighted rating	1217.1	1165.5	1252.1	1200
New weighted performance	1067.9	994.7	0	0
Temp new rating	1217.8	1173.7	1253.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1217.8	1173.7	1253.5	1200
New K-factor	36	36	36	36
New floor	782	762.6	753.5	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	15	5	10
	25	15	10
	30	30	0
	0	0	0
History	80	60	20

Games since
	Main 25	Standard 15		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	4	40	-85	1257.1	1172.1
Standard	10	4	40	-85	1257.1	1172.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	80	40	50	0	1231.4	1231.4
Standard	60	28	46.67	-28.3	1225.5	1197.2
Rapid	20	12	60	85	1249.2	1334.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1217.8	1173.7	1253.5	1200
2025-09-01	1217.8	1173.7	1253.5	1200
2025-08-01	1217.8	1173.7	1253.5	1200
2025-07-01	1217.8	1173.7	1253.5	1200
2025-06-01	1217.8	1173.7	1253.5	1200
2025-05-01	1214.6	1162.3	1253.5	1200
2025-04-01	1214.6	1162.3	1253.5	1200
2025-03-01	1213.9	1162.3	1253.5	1200
2025-02-01	1215.4	1163.3	1253.5	1200
2025-01-01	1215	1150.6	1253.5	1200
2024-12-01	1215	1150.6	1253.5	1200
2024-11-01	1215	1150.6	1253.5	1200
2024-10-01	1215	1150.6	1253.5	1200
2024-09-01	1233.2	1163.2	1253.5	1200
2024-08-01	1233.2	1163.2	1253.5	1200
2024-07-01	1233.2	1163.2	1253.5	1200
2024-06-01	1233.2	1163.2	1253.5	1200
2024-08-01	1208.2	1163.2	1236.6	1200
2024-04-01	1208.2	1163.2	1236.6	1200
2024-03-01	1191.2	1163.2	1231.2	1200
2024-02-01	1191.2	1163.2	1231.2	1200
2024-01-01	1191.2	1163.2	1231.2	1200
2023-12-01	1191.2	1163.2	1231.2	1200
2023-11-01	1191.2	1163.2	1231.2	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	Benoni High School Cluster 2025 (U17)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni High School Cluster 15Feb 2025 (U18 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni High School Cluster 2025 (U17)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni High School Cluster 15Feb 2025 (U18 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Ekurhuleni North Schools Finals - Teams 2024 (U15 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Benoni Cluster High Schools Teams 2024 (U15)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Benoni High Schools Cluster Individuals 2024 (U15 Boys)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
7	Ekurhuleni North School Teams 2023 (U17)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
8	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
9	Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
10	Benoni Cluster High School League 2023 (U15 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Ekurhuleni-North Schools Teams 2022 (U13)	2022-08-06	2022-08-06	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
12	ACB Invitation Chess Tournament 2022 (U11+U13)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	Ekurhuleni Trials 1 2022 (U14)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
15	ACB Premier 2022 (Primary School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	ACB Premier 2022 (U13)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 4	type Rapid	result 1
		Opponent Kotze, S (Skye)				Opponent Zeelie, J (Joshua)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Gumede, O (Olwethu)				Opponent Kandawasvika, M (Mukundi)
3	2	Tournament Benoni Cluster High Schools Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Kok, P (Phumi)				Opponent Seloma, K (Kamogelo)

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Gumede, O (Olwethu)				Opponent Kandawasvika, M (Mukundi)
2	2	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Mafunga, Z (Zakhele)				Opponent Segami, U (Uhlule)
3	2	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2022-08-06	rnd 5	type Standard	result 0.5	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Fernandez, J (Jarred)				Opponent Mokoena, A (Amohelang)

#	Games	Start				End
1	3	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 4	type Rapid	result 1
		Opponent Kotze, S (Skye)				Opponent Zeelie, J (Joshua)
2	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-03-16	rnd 4	type Rapid	result 1
		Opponent Teixeira, A (Angelo)				Opponent Essop, A (Ashaz)
3	2	Tournament Gauteng Open Arnold Classic 2023				Tournament Benoni High Schools Cluster Individuals 2024
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Castles, A (Ayden)				Opponent Anthony, R (Riley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 4	type Rapid	result 1
		Opponent Kotze, S (Skye)				Opponent Zeelie, J (Joshua)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Gumede, O (Olwethu)				Opponent Kandawasvika, M (Mukundi)
3	2	Tournament Benoni Cluster High Schools Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Kok, P (Phumi)				Opponent Seloma, K (Kamogelo)

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Gumede, O (Olwethu)				Opponent Kandawasvika, M (Mukundi)
2	2	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Mafunga, Z (Zakhele)				Opponent Segami, U (Uhlule)
3	2	Tournament ACB Invitation Chess Tournament 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-11	rnd 5	type Standard	result 1	date 2022-08-06	rnd 1	type Standard	result 1
		Opponent Luwes, G (Gustav)				Opponent Marais, J (Janike)

#	Games	Start				End
1	3	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 2	type Rapid	result 1	date 2023-05-06	rnd 4	type Rapid	result 1
		Opponent Kotze, S (Skye)				Opponent Zeelie, J (Joshua)
2	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-03-16	rnd 4	type Rapid	result 1
		Opponent Teixeira, A (Angelo)				Opponent Essop, A (Ashaz)
3	2	Tournament Gauteng Open Arnold Classic 2023				Tournament Benoni High Schools Cluster Individuals 2024
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Castles, A (Ayden)				Opponent Anthony, R (Riley)

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	Sebogoane ,T (Thoriso)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Sebogoane ,T (Thoriso)	2	1299.8	874.8	2	1286.4	874.8	0	0	0	0	0	0
2	Moyo ,N (Nkosana Junior)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Moyo ,N (Nkosana Junior)	2	1290.7	1078.2	2	1296.2	1078.2	0	0	0	0	0	0
3	Labuschagne ,M (Melindie)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Labuschagne ,M (Melindie)	2	1205.1	780.1	2	1167.2	780.1	0	0	0	0	0	0
4	Marais ,J (Janike)	2	1	0	2	1	0	0	0	0	0	0	0
4	Marais ,J (Janike)	2	1202.3	1202.3	2	1182.8	1202.3	0	0	0	0	0	0
5	Greenwood ,D (Derick)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Greenwood ,D (Derick)	2	1250.9	825.9	1	1259.9	825.9	1	1231.3	825.9	0	0	0
6	Kok ,P (Phumi)	2	1	0	1	0	-425	1	1	425	0	0	0
6	Kok ,P (Phumi)	2	1284.6	1284.6	1	1277.1	859.6	1	1248.9	1709.6	0	0	0
7	Ngcongolo ,T (Thamsanqa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ngcongolo ,T (Thamsanqa)	1	1211.6	1636.6	1	1220.4	1636.6	0	0	0	0	0	0
8	Negota ,P (Phathu)	1	1	425	1	1	425	0	0	0	0	0	0
8	Negota ,P (Phathu)	1	1191.7	1616.7	1	1185.2	1616.7	0	0	0	0	0	0
9	Ramatlape ,R (Rebaona)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ramatlape ,R (Rebaona)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Seloma ,K (Kamogelo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Seloma ,K (Kamogelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Abbott, J (Janco)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms