Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ackerman, J (Johandre)

Chess SA id

110084943

FIDE id

Date of birth

2010-02-17 (U16)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1134	1142	745.8	667
Raw rating	1134	1142	745.8	667
Weighted rating	1132.6	1141.1	741.9	667
Weighted performance	834.5	850.4	0	0
Floor	665.1	664.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	182.2	180.1	316.7	354.3
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1165.1 2023-10-01	1164.8 2023-10-01	745.8 2024-05-01	667 2024-02-01
Highest weighted rating	1165.1 2024-11-01	1164.8 2024-11-01	745.8 2024-11-01	667 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1134	1142	745.8	667
Analysis
Rating	1134	1142	745.8	667
Raw rating	1134	1142	745.8	667
Weighted rating	1132.6	1141.1	741.9
Weighted performance	834.5	850.4	0
K-factor	40	40	40	40
Floor	665.1	664.8	500	500
Max/Min rating change allowed	182.2	180.1	316.7	354.3
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	1134	1142	745.8	667
New weighted rating	1132.5	1141.1	743.2	667
New weighted performance	828.1	843.6	0	0
Temp new rating	1134	1142	745.8	667
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1134	1142	745.8	667
New K-factor	40	40	40	40
New floor	665.1	664.8	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	4	6
	20	20	0
	4	4	0
	0	0	0
History	116	110	6

Games since
	Main 10	Standard 4		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	72	27	37.5	-106.2	1110.7	1004.4
Standard	66	25	37.88	-103	1102.5	999.5
Rapid	6	2	33.33	-141.7	1200.1	1058.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1134	1142	745.8	667
2025-09-30	1134	1142	745.8	667
2025-09-01	1134	1142	745.8	667
2025-08-01	1134	1142	745.8	667
2025-07-01	1134	1142	745.8	667
2025-06-01	1134	1142	745.8	667
2025-05-01	1134	1141.9	745.8	667
2025-04-01	1133.9	1141.8	745.8	667
2025-03-01	1133.6	1141.4	745.8	667
2025-02-01	1132.5	1140.5	745.8	667
2025-01-01	1127.6	1139.2	745.8	667
2024-12-01	1127.6	1139.2	745.8	667
2024-11-01	1127.6	1139.2	745.8	667
2024-10-01	1127.6	1139.2	745.8	667
2024-09-01	1127.6	1139.2	745.8	667
2024-08-01	1127.6	1139.2	745.8	667
2024-07-01	1127.6	1139.2	745.8	667
2024-09-01	1127.6	1139.2	745.8	667
2024-05-01	1127.6	1139.2	745.8	667
2024-04-01	1141.8	1139.2	667	667
2024-03-01	1141.8	1139.2	667	667
2024-02-01	1141.8	1139.2	667	667
2024-01-01	1165.1	1164.8	667	667
2023-12-01	1165.1	1164.8	667	667

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	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	2	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (U14B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
3	DR KKD Trials 2023 (U14)	2023-09-02	2023-09-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
4	2023 Thomas Lechelele North West Open (C)	2023-09-15	2023-09-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis
5	Dr KKD Curro 2023 (U14)	2023-05-13	2023-05-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
6	DR Kenneth Kaunda Curro 2023 (C)	2023-04-22	2023-04-22	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
7	Schoonspruit Ope 2022 (C)	2022-05-21	2022-05-21	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
8	Doringkruin 2019 (U10)	2019-06-08	2019-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
9	Strathvaal 2019 (U10)	2019-04-13	2019-03-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
10	South African Junior Team Championships 2018 (U10A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
11	Boys and Girls 2018 (U10 Boys)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
12	Driefontein Proewe 2018 (O10 Seuns)	2018-07-28	2018-07-28	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
13	President 16 Junie 2018 (U10)	2018-06-16	2018-06-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
14	South African Junior Team Championships 2017 (U8A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Dr KKD Curro 2023				Tournament Dr KKD Curro 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Peega, O (Olertato)				Opponent Koen, J (Jayden)
2	3	Tournament DR Kenneth Kaunda Curro 2023				Tournament DR Kenneth Kaunda Curro 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Simka, O (Ofentse)				Opponent Van Wyk, A (Anthonie)
3	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Sibuta, C (Cwenga)				Opponent Mochoanchoeng, T (Tshego)

#	Games	Start				End
1	3	Tournament Dr KKD Curro 2023				Tournament Dr KKD Curro 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Peega, O (Olertato)				Opponent Koen, J (Jayden)
2	3	Tournament DR Kenneth Kaunda Curro 2023				Tournament DR Kenneth Kaunda Curro 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Simka, O (Ofentse)				Opponent Van Wyk, A (Anthonie)
3	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Sibuta, C (Cwenga)				Opponent Mochoanchoeng, T (Tshego)

#	Games	Start				End
1	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 6	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Maunatlala, ME (Eugene)				Opponent Maunatlala, ME (Eugene)
2	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 1	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Mhlongo, G (Godfrey)				Opponent Mhlongo, G (Godfrey)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Dr KKD Curro 2023				Tournament Dr KKD Curro 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Peega, O (Olertato)				Opponent Koen, J (Jayden)
2	3	Tournament DR Kenneth Kaunda Curro 2023				Tournament DR Kenneth Kaunda Curro 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Simka, O (Ofentse)				Opponent Van Wyk, A (Anthonie)
3	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Sibuta, C (Cwenga)				Opponent Mochoanchoeng, T (Tshego)

#	Games	Start				End
1	3	Tournament Dr KKD Curro 2023				Tournament Dr KKD Curro 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Peega, O (Olertato)				Opponent Koen, J (Jayden)
2	3	Tournament DR Kenneth Kaunda Curro 2023				Tournament DR Kenneth Kaunda Curro 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Simka, O (Ofentse)				Opponent Van Wyk, A (Anthonie)
3	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Sibuta, C (Cwenga)				Opponent Mochoanchoeng, T (Tshego)

#	Games	Start				End
1	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 6	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Maunatlala, ME (Eugene)				Opponent Maunatlala, ME (Eugene)
2	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 1	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Mhlongo, G (Godfrey)				Opponent Mhlongo, G (Godfrey)

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	Handford ,C (Chris)	2	1	0	2	1	0	0	0	0	0	0	0
1	Handford ,C (Chris)	2	1196.9	1196.9	2	1188.7	1196.9	0	0	0	0	0	0
2	Majoang ,O (Ofentse)	2	2	425	2	2	425	0	0	0	0	0	0
2	Majoang ,O (Ofentse)	2	1170.4	1595.4	2	1163.2	1595.4	0	0	0	0	0	0
3	Fouche ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Fouche ,N (Nathan)	2	1268.4	843.4	2	1266.2	843.4	0	0	0	0	0	0
4	Walters ,DA (Declan Ashwin)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Walters ,DA (Declan Ashwin)	2	970.4	545.4	2	980.7	545.4	0	0	0	0	0	0
5	Nel ,J (Johanco)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Nel ,J (Johanco)	2	1135.2	710.2	2	1109.7	710.2	0	0	0	0	0	0
6	Fourie ,M (Mila)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fourie ,M (Mila)	1	1195.9	770.9	1	1184.3	770.9	0	0	0	0	0	0
7	Du Plooy ,MC (Wilken)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Du Plooy ,MC (Wilken)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Janse Van Rensburg ,CM (Chailo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Janse Van Rensburg ,CM (Chailo)	1	1277.4	1702.4	1	1273.9	1702.4	0	0	0	0	0	0
9	Chalimans ,H (Hlomla)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Chalimans ,H (Hlomla)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Grobbelaar ,H (Hannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Grobbelaar ,H (Hannes)	1	1195.4	770.4	1	1193.6	770.4	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

Ackerman, J (Johandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms