Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Adiel)

Chess SA id

165061444

FIDE id

Date of birth

1965-07-19 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1351.6	1337.4	1202.1	1201.4
Raw rating	1351.6	1337.4	1202.1	1201.4
Weighted rating	1350.3	1336.1	1202.1	1201.4
Weighted performance	0	0	0	0
Floor	863.8	849.4	732.7	701.4
K-factor	36	36	36	36
Min/Max rating change allowed	133.6	136.3	165.3	165.5
Highest rating	1363.8 2024-02-01	1349.4 2024-02-01	1360.5 2021-03-01	1201.4 2019-09-01
Highest raw rating	1363.8 2024-02-01	1349.4 2024-02-01	1232.7 2021-04-01	1201.4 2024-02-01
Highest weighted rating	1363.8 2024-09-01	1349.4 2024-09-01	1232.7 2022-03-01	1201.4 2019-09-01
Highest weighted performance	1316.5 2019-09-01	1324.3 2019-09-01	1360.5 2021-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1351.6	1337.4	1202.1	1201.4
Analysis
Rating	1351.6	1337.4	1202.1	1201.4
Raw rating	1351.6	1337.4	1202.1	1201.4
Weighted rating	1350.3	1336.1	1202.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	863.8	849.4	732.7	701.4
Max/Min rating change allowed	133.6	136.3	165.3	165.5
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	1351.6	1337.4	1202.1	1201.4
New weighted rating	1350.1	1336	1202.1	1201.4
New weighted performance	0	0	0	0
Temp new rating	1351.6	1337.4	1202.1	1201.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1351.6	1337.4	1202.1	1201.4
New K-factor	36	36	36	36
New floor	863.8	849.4	732.7	701.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	4	4	0	0
	5	5	0	0
	16	10	6	0
	5	0	5	0
History	187	169	17	1

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	55	23.5	42.73	-61.8	1386.7	1324.9
Standard	44	18.5	42.05	-67.6	1385.8	1318.1
Rapid	11	5	45.45	-38.6	1390.7	1352
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1351.6	1337.4	1202.1	1201.4
2025-09-30	1351.6	1337.4	1202.1	1201.4
2025-09-01	1351.6	1337.4	1202.1	1201.4
2025-08-01	1351.6	1337.4	1202.1	1201.4
2025-07-01	1351.6	1337.4	1202.1	1201.4
2025-06-01	1351.6	1337.4	1202.1	1201.4
2025-05-01	1351.6	1337.4	1202.1	1201.4
2025-04-01	1351.6	1337.4	1202.1	1201.4
2025-03-01	1351.6	1337.4	1202.1	1201.4
2025-02-01	1350.2	1336	1202.1	1201.4
2025-01-01	1330.7	1317	1202.1	1201.4
2024-12-01	1330.7	1317	1202.1	1201.4
2024-11-01	1330.7	1317	1202.1	1201.4
2024-10-01	1330.7	1317	1202.1	1201.4
2024-09-01	1363.8	1349.4	1202.1	1201.4
2024-08-01	1363.8	1349.4	1202.1	1201.4
2024-07-01	1363.8	1349.4	1202.1	1201.4
2024-09-01	1363.8	1349.4	1202.1	1201.4
2024-05-01	1363.8	1349.4	1202.1	1201.4
2024-04-01	1363.8	1349.4	1202.1	1201.4
2024-03-01	1363.8	1349.4	1202.1	1201.4
2024-02-01	1363.8	1349.4	1202.1	1201.4
2024-01-01	1363.8	1349.4	1202.1	1201.4
2023-12-01	1363.8	1349.4	1202.1	1201.4

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	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
2	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
2	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
3	CT League 2024 (A)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	4	0	Yes	Analysis
4	WP Club League 2023 (B)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	5	2	Yes	Analysis
5	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	8	3	Yes	Analysis
6	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	2	1	Yes	Analysis
7	CTCA Rapid Masters @ Claremont Chess Club 2022 (Open)	2022-03-21	2022-03-21	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
8	Western Cape Closed 2020 (Rapid)	2021-03-06	2021-03-06	Rapid	Cape Town (WCT)	7	5	3	Yes	Analysis
9	2019 National Club Chess Championships (A)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	1	0	Yes	Analysis
10	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
11	2019 Western Province League (D)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	7	3.5	Yes	Analysis
12	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	5	3	Yes	Analysis
13	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
14	Grassy Park Open 2018 (B)	2018-06-29	2018-07-01	Standard	Cape Town (WCT)	6	4	3	Yes	Analysis
15	2018 Western Province Open (B)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
16	2018 Cape of Good Hope Open Chess Championships (Prestige)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	2	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-08-03	rnd 3	type Standard	result 1
		Opponent Mabaso, I (Inathi)				Opponent Ketani, MJL (Michael)
2	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-11	rnd 4	type Standard	result 1
		Opponent Maart, G (Gavin)				Opponent Meyer, JJ (Jeffery)
3	3	Tournament Grassy Park Open 2018				Tournament Grassy Park Open 2018
		date 2018-06-29	rnd 1	type Standard	result 1	date 2018-06-30	rnd 4	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Mavosa, V (Vallentino)

#	Games	Start				End
1	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-08-03	rnd 3	type Standard	result 1
		Opponent Mabaso, I (Inathi)				Opponent Ketani, MJL (Michael)
2	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-11	rnd 4	type Standard	result 1
		Opponent Maart, G (Gavin)				Opponent Meyer, JJ (Jeffery)
3	3	Tournament Grassy Park Open 2018				Tournament Grassy Park Open 2018
		date 2018-06-29	rnd 1	type Standard	result 1	date 2018-06-30	rnd 4	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Mavosa, V (Vallentino)

#	Games	Start				End
1	2	Tournament CTCA Rapid Masters @ Claremont Chess Club 2022				Tournament CTCA Rapid Masters @ Claremont Chess Club 2022
		date 2022-03-21	rnd 3	type Rapid	result 1	date 2022-03-21	rnd 4	type Rapid	result 1
		Opponent Drury, N (Nicholas)				Opponent Korebrits, R (Richard)
2	2	Tournament Western Cape Closed 2020				Tournament Western Cape Closed 2020
		date 2021-03-06	rnd 3	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Van De Vyver, M (Mia)				Opponent Botha, E (Eduan)
3	1	Tournament Western Cape Closed 2020				Tournament Western Cape Closed 2020
		date 2021-03-06	rnd 7	type Rapid	result 1	date 2021-03-06	rnd 7	type Rapid	result 1
		Opponent Lielieveld, J (Jadrian)				Opponent Lielieveld, J (Jadrian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-11	rnd 4	type Standard	result 1
		Opponent Maart, G (Gavin)				Opponent Meyer, JJ (Jeffery)
2	3	Tournament Grassy Park Open 2018				Tournament Grassy Park Open 2018
		date 2018-06-29	rnd 1	type Standard	result 1	date 2018-06-30	rnd 4	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Mavosa, V (Vallentino)
3	2	Tournament CTCA Rapid Masters @ Claremont Chess Club 2022				Tournament CTCA Rapid Masters @ Claremont Chess Club 2022
		date 2022-03-21	rnd 3	type Rapid	result 1	date 2022-03-21	rnd 4	type Rapid	result 1
		Opponent Drury, N (Nicholas)				Opponent Korebrits, R (Richard)

#	Games	Start				End
1	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-11	rnd 4	type Standard	result 1
		Opponent Maart, G (Gavin)				Opponent Meyer, JJ (Jeffery)
2	3	Tournament Grassy Park Open 2018				Tournament Grassy Park Open 2018
		date 2018-06-29	rnd 1	type Standard	result 1	date 2018-06-30	rnd 4	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Mavosa, V (Vallentino)
3	2	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 6	type Standard	result 1	date 2018-09-01	rnd 8	type Standard	result 1
		Opponent Kalala, A (Alladean)				Opponent Mamba, SC (Sonke)

#	Games	Start				End
1	2	Tournament CTCA Rapid Masters @ Claremont Chess Club 2022				Tournament CTCA Rapid Masters @ Claremont Chess Club 2022
		date 2022-03-21	rnd 3	type Rapid	result 1	date 2022-03-21	rnd 4	type Rapid	result 1
		Opponent Drury, N (Nicholas)				Opponent Korebrits, R (Richard)
2	2	Tournament Western Cape Closed 2020				Tournament Western Cape Closed 2020
		date 2021-03-06	rnd 3	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Van De Vyver, M (Mia)				Opponent Botha, E (Eduan)
3	1	Tournament Western Cape Closed 2020				Tournament Western Cape Closed 2020
		date 2021-03-06	rnd 7	type Rapid	result 1	date 2021-03-06	rnd 7	type Rapid	result 1
		Opponent Lielieveld, J (Jadrian)				Opponent Lielieveld, J (Jadrian)

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	Kedama ,S (Sandiso)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kedama ,S (Sandiso)	2	1769.1	1344.1	2	1762.2	1344.1	0	0	0	0	0	0
2	Rhode ,A (Andre)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Rhode ,A (Andre)	2	1443.4	1018.4	2	1440.9	1018.4	0	0	0	0	0	0
3	Mchontsi ,A (Ayabonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mchontsi ,A (Ayabonga)	1	1472.6	1047.6	1	1437.9	1047.6	0	0	0	0	0	0
4	Aron ,C (Carlton)	1	1	425	1	1	425	0	0	0	0	0	0
4	Aron ,C (Carlton)	1	1048.4	1473.4	1	1045.2	1473.4	0	0	0	0	0	0
5	Kamalie ,W (Warieth)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kamalie ,W (Warieth)	1	1357.6	1782.6	1	1357.6	1782.6	0	0	0	0	0	0
6	Andrews ,RL (Remo Lyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Andrews ,RL (Remo Lyle)	1	1683.5	1258.5	1	1683.6	1258.5	0	0	0	0	0	0
7	Mavosa ,V (Vallentino)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mavosa ,V (Vallentino)	1	1136.1	1561.1	1	1146.4	1561.1	0	0	0	0	0	0
8	Hlakula ,T (Thando)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hlakula ,T (Thando)	1	1241.5	816.5	1	1251.2	816.5	0	0	0	0	0	0
9	Ketani ,MJL (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ketani ,MJL (Michael)	1	1246.6	1671.6	1	1249	1671.6	0	0	0	0	0	0
10	Thabet ,A (Abdol)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thabet ,A (Abdol)	1	1018.7	593.7	1	1022.6	593.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jacobs, A (Adiel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms