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

2025-04-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1319	1327	1396.1	1424
Raw rating	1318.9	1327	1395.8	1424
Weighted rating	1319	1326.9	1396.1	1424
Weighted performance	975.6	0	0	0
Floor	924	924	924	924
K-factor	32	32	32	32
Min/Max rating change allowed	140	138.4	125.5	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	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0	0	-0.1	0
New rating	1319	1327	1396	1424
Analysis
Rating	1319	1327	1396.1	1424
Raw rating	1318.9	1327	1395.8	1424
Weighted rating	1319	1326.9	1396.1
Weighted performance	975.6	0	0
K-factor	32	32	32	32
Floor	924	924	924	924
Max/Min rating change allowed	140	138.4	125.5	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	1318.9	1327	1395.8	1424
New weighted rating	1319	1327	1396	1424
New weighted performance	975.2	0	0	0
Temp new rating	1319	1327	1396	1424
Temp new rating +/-	-0	0	-0.1	0
Final new rating +/-	-0	0	-0.1	0
New rating	1319	1327	1396	1424
New K-factor	32	32	32	32
New floor	924	924	924	924

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	12	0	12	0
	6	0	6	0
	0	0	0	0
	6	6	0	0
	6	0	6	0
History	44	6	24	14

Games since
	Main 18	Standard 0		Rapid 18		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	12	6	50	0	1260.5	1260.5
Standard	0	0	0	0	0	0
Rapid	12	6	50	0	1260.5	1260.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	8.5	28.33	-184.2	1330.8	1146.6
Standard	6	0	0	-425	1387.1	962.1
Rapid	24	8.5	35.42	-124	1316.7	1192.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	1328.2	1327	1424	1424
2024-07-01	1328.2	1327	1424	1424
2024-06-01	1328.2	1327	1424	1424
2024-08-01	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
2024-01-01	1328.2	1327	1424	1424
2023-12-01	1299.5	1313.6	1338.9	1424
2023-11-01	1299.5	1313.6	1338.9	1424

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	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Rylib Autumn Slam 2025 (Open)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
4	Western Province Open 2022 (Advanced)	2022-02-25	2022-02-27	Standard	Cape Town (WCT)	6	6	0	Yes	Analysis
5	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	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	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	De Wit ,M (Marnus)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Wit ,M (Marnus)	1	1549.5	1124.5	1	1528.9	1124.5	0	0	0	0	0	0
3	Van Tonder ,W (Wium)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Tonder ,W (Wium)	1	1467	1042	1	1420	1042	0	0	0	0	0	0
4	Goosen ,P (Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Goosen ,P (Pierre)	1	1216.2	791.2	1	1198	791.2	0	0	0	0	0	0
5	Mabaya ,C (Casper)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mabaya ,C (Casper)	1	1259.2	834.2	1	1261.2	834.2	0	0	0	0	0	0
6	Adams ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Adams ,K (Kyle)	1	1399.8	974.8	1	1354.4	974.8	0	0	0	0	0	0
7	Xipu ,K (Kamvalethu)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Xipu ,K (Kamvalethu)	1	1200	1200	0	0	0	1	1200	1200	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	Mchontsi ,A (Ayabonga)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Mchontsi ,A (Ayabonga)	1	1463	1038	0	0	0	1	1330	1038	0	0	0
10	Plaat ,J (Jerome)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Plaat ,J (Jerome)	1	1200.3	775.3	0	0	0	1	1200	775.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Isaacs, A (Abubakar)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms