Chess South Africa Ratings Database

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Personal

Isaacs, A (Abubakar)

Chess SA id

178013191

FIDE id

Date of birth

1978-06-28 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1372.8	1368	1396.1	1424
Raw rating	1372.8	1368	1396.1	1424
Weighted rating	1330.1	1336.4	1395.2	1424
Weighted performance	1275.9	0	1140	0
Floor	924	924	924	924
K-factor	32	32	32	32
Min/Max rating change allowed	129.6	130.5	125.4	120.5
Highest rating	1424 2020-01-01	1424 2020-01-01	1424 2020-01-01	1424 2024-02-01
Highest raw rating	1424 2020-01-01	1424 2020-01-01	1424 2024-02-01	1424 2024-02-01
Highest weighted rating	1424 2020-01-01	1424 2020-01-01	1424 2020-01-01	1424 2024-02-01
Highest weighted performance	1290.7 2025-11-30	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1372.8	1368	1396.1	1424
Analysis
Rating	1372.8	1368	1396.1	1424
Raw rating	1372.8	1368	1396.1	1424
Weighted rating	1330.1	1336.4	1395.2
Weighted performance	1275.9	0	1140
K-factor	32	32	32	32
Floor	924	924	924	924
Max/Min rating change allowed	129.6	130.5	125.4	120.5
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	1372.8	1368	1396.1	1424
New weighted rating	1333.8	1339.3	1394.8	1424
New weighted performance	1267.1	0	1131.8	0
Temp new rating	1372.8	1368	1396.1	1424
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1372.8	1368	1396.1	1424
New K-factor	32	32	32	32
New floor	924	924	924	924

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	24	6	18	0
	6	0	6	0
	0	0	0	0
	6	6	0	0
	6	0	6	0
History	56	12	30	14

Games since
	Main 30	Standard 6		Rapid 24		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	542		277		126
Male	465		238		118
Adult	157		59		37
Adult Male	148		58		36
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	24	13.5	56.25	53.1	1330.9	1384
Standard	6	4.5	75	212.5	1311.6	1524.1
Rapid	18	9	50	0	1337.3	1337.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	16	38.1	-101.2	1350.9	1249.7
Standard	12	4.5	37.5	-106.2	1349.3	1243.1
Rapid	30	11.5	38.33	-99.2	1351.5	1252.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1372.8	1368	1396.1	1424
2025-11-30	1372.8	1368	1396.1	1424
2025-11-01	1359	1368	1395.8	1424
2025-09-30	1318.9	1327	1395.8	1424
2025-09-01	1318.9	1327	1395.8	1424
2025-08-01	1318.9	1327	1395.8	1424
2025-07-01	1318.7	1327	1395.3	1424
2025-06-01	1318.5	1327	1394.5	1424
2025-05-01	1317.8	1327	1391.2	1424
2025-04-01	1318	1327	1393.4	1424
2025-03-01	1317.6	1327	1392.3	1424
2025-02-01	1316.6	1327	1389.1	1424
2025-01-01	1307	1327	1359.7	1424
2024-12-01	1307	1327	1359.7	1424
2024-11-01	1307	1327	1359.7	1424
2024-10-01	1328.2	1327	1424	1424
2024-09-01	1328.2	1327	1424	1424
2024-11-01	1328.2	1327	1424	1424
2024-07-01	1328.2	1327	1424	1424
2024-06-01	1328.2	1327	1424	1424
2024-05-01	1328.2	1327	1424	1424
2024-04-01	1328.2	1327	1424	1424
2024-03-01	1328.2	1327	1424	1424
2024-02-01	1328.2	1327	1424	1424

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	Spring Slam 2025 (Intermediate)	2025-11-02	2025-11-02	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
3	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
6	Western Province Open 2022 (Advanced)	2022-02-25	2022-02-27	Standard	Cape Town (WCT)	6	6	0	Yes	Analysis
7	Summer Slam 2021 (Championship)	2021-12-13	2021-12-13	Rapid	Cape Town (WCT)	7	6	0	Yes	Analysis

#	Games	Start				End
1	5	Tournament Spring Slam 2024				Tournament Rylib Autumn Slam 2025
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2025-04-26	rnd 2	type Rapid	result 1
		Opponent Adams, R (Robert)				Opponent Bessesen, S (Sigi)
2	4	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-23	rnd 4	type Standard	result 1
		Opponent Resnekov, O (Oliver)				Opponent Mouton, M (Michelle)
3	1	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-08-23	rnd 6	type Standard	result 0.5	date 2025-08-23	rnd 6	type Standard	result 0.5
		Opponent De Klerk, HF (Heinrich Forbes)				Opponent De Klerk, HF (Heinrich Forbes)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Spring Slam 2024				Tournament Rylib Autumn Slam 2025
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2025-04-26	rnd 2	type Rapid	result 1
		Opponent Adams, R (Robert)				Opponent Bessesen, S (Sigi)
2	1	Tournament Rylib Autumn Slam 2025				Tournament Rylib Autumn Slam 2025
		date 2025-04-26	rnd 4	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Mziweni, S (Simehule)				Opponent Mziweni, S (Simehule)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rylib Autumn Slam 2025				Tournament Rylib Autumn Slam 2025
		date 2025-04-26	rnd 1	type Rapid	result 1	date 2025-04-26	rnd 2	type Rapid	result 1
		Opponent Van Nelson, T (Tyrone)				Opponent Bessesen, S (Sigi)
2	2	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Adams, R (Robert)				Opponent Smit, M (Mario)
3	1	Tournament Rylib Autumn Slam 2025				Tournament Rylib Autumn Slam 2025
		date 2025-04-26	rnd 4	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Mziweni, S (Simehule)				Opponent Mziweni, S (Simehule)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rylib Autumn Slam 2025				Tournament Rylib Autumn Slam 2025
		date 2025-04-26	rnd 1	type Rapid	result 1	date 2025-04-26	rnd 2	type Rapid	result 1
		Opponent Van Nelson, T (Tyrone)				Opponent Bessesen, S (Sigi)
2	2	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Adams, R (Robert)				Opponent Smit, M (Mario)
3	1	Tournament Rylib Autumn Slam 2025				Tournament Rylib Autumn Slam 2025
		date 2025-04-26	rnd 4	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Mziweni, S (Simehule)				Opponent Mziweni, S (Simehule)

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	Hartley ,A (Ameen)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Hartley ,A (Ameen)	2	1418.2	993.2	1	1394.1	993.2	1	1267	993.2	0	0	0
2	Mabaya ,C (Casper)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mabaya ,C (Casper)	1	1259.2	834.2	1	1261.2	834.2	0	0	0	0	0	0
3	Mouton ,M (Michelle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mouton ,M (Michelle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Adams ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Adams ,K (Kyle)	1	1399.8	974.8	1	1354.4	974.8	0	0	0	0	0	0
5	De Wit ,M (Marnus)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	De Wit ,M (Marnus)	1	1549.5	1124.5	1	1528.9	1124.5	0	0	0	0	0	0
6	Smith ,J (Jody)	1	1	425	1	1	425	0	0	0	0	0	0
6	Smith ,J (Jody)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	De Klerk ,HF (Heinrich Forbes)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	De Klerk ,HF (Heinrich Forbes)	1	1303.8	1303.8	1	1299.3	1303.8	0	0	0	0	0	0
8	Smit ,M (Mario)	1	1	425	0	0	0	1	1	425	0	0	0
8	Smit ,M (Mario)	1	1154.7	1579.7	0	0	0	1	1235.6	1579.7	0	0	0
9	Bessesen ,S (Sigi)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bessesen ,S (Sigi)	1	1223.8	1648.8	0	0	0	1	1197.1	1648.8	0	0	0
10	Van Nelson ,T (Tyrone)	1	1	425	0	0	0	1	1	425	0	0	0
10	Van Nelson ,T (Tyrone)	1	1196.4	1621.4	0	0	0	1	1194.5	1621.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Isaacs, A (Abubakar)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms