Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zeeman, JA (Johanna Adriana)

Chess SA id

202043480

FIDE id

Date of birth

2002-01-15 (Adult)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1360.5	1358.7	1051	1067.9
Raw rating	1360.5	1358.7	1051	1067.9
Weighted rating	1360.5	1358.7	1051	1067.9
Weighted performance	276.7	276.2	0	0
Floor	860.5	858.7	551	567.9
K-factor	36	36	40	40
Min/Max rating change allowed	131.9	132.3	205	200.2
Highest rating	1374.6 2020-02-01	1372.8 2020-02-01	1200 2024-02-01	1200 2018-01-01
Highest raw rating	1360.5 2024-02-01	1358.7 2024-02-01	1051 2024-02-01	1067.9 2024-02-01
Highest weighted rating	1360.5 2024-02-01	1358.7 2025-02-01	1051 2024-11-01	1067.9 2024-11-01
Highest weighted performance	1374.6 2020-02-01	1372.8 2020-02-01	1200 2024-02-01	1200 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1360.5	1358.7	1051	1067.9
Analysis
Rating	1360.5	1358.7	1051	1067.9
Raw rating	1360.5	1358.7	1051	1067.9
Weighted rating	1360.5	1358.7	1051
Weighted performance	276.7	276.2	0
K-factor	36	36	40	40
Floor	860.5	858.7	551	567.9
Max/Min rating change allowed	131.9	132.3	205	200.2
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	1360.5	1358.7	1051	1067.9
New weighted rating	1360.5	1358.7	1051	1067.9
New weighted performance	269.3	268.9	0	0
Temp new rating	1360.5	1358.7	1051	1067.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1360.5	1358.7	1051	1067.9
New K-factor	36	36	40	40
New floor	860.5	858.7	551	567.9

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	405	398	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	96	60	62.5	106.2	1073.4	1179.6
Standard	89	56.5	63.48	114.6	1070.2	1184.8
Rapid	0	0	0	0	0	0
Blitz	7	3.5	50	0	1113.2	1113.2

Date	Main	Standard	Rapid	Blitz
2025-11-01	1360.5	1358.7	1051	1067.9
2025-09-30	1360.5	1358.7	1051	1067.9
2025-09-01	1360.5	1358.7	1051	1067.9
2025-08-01	1360.5	1358.7	1051	1067.9
2025-07-01	1360.5	1358.7	1051	1067.9
2025-06-01	1360.5	1358.7	1051	1067.9
2025-05-01	1360.5	1358.7	1051	1067.9
2025-04-01	1360.5	1358.7	1051	1067.9
2025-03-01	1360.5	1358.7	1051	1067.9
2025-02-01	1360.5	1358.7	1051	1067.9
2025-01-01	1360.5	1358.7	1051	1067.9
2024-12-01	1360.5	1358.7	1051	1067.9
2024-11-01	1360.5	1358.7	1051	1067.9
2024-10-01	1360.5	1358.7	1051	1067.9
2024-09-01	1360.5	1358.7	1051	1067.9
2024-08-01	1360.5	1358.7	1051	1067.9
2024-07-01	1360.5	1358.7	1051	1067.9
2024-09-01	1360.5	1358.7	1051	1067.9
2024-05-01	1360.5	1358.7	1051	1067.9
2024-04-01	1360.5	1358.7	1051	1067.9
2024-03-01	1360.5	1358.7	1051	1067.9
2024-02-01	1360.5	1358.7	1051	1067.9
2024-01-01	1360.5	1358.7	1051	1067.9
2023-12-01	1360.5	1358.7	1051	1067.9

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	High School League Tournament 2020 (Open)	2020-02-08	2020-02-08	Standard	Mangaung (FMB)	5	3	3	Yes	Analysis
2	Grey College Team Championship 2020 (A)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
3	All Girls Festival 2019	2019-05-02	2019-05-04	Standard	Cape Winelands (WCW)	9	9	8	Yes	Analysis
4	Inter Regional Chess Championship 2019 (U14-U18 Girls)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
5	Mangaung Metro Chess 15-16 March 2019 (B)	2019-03-15	2019-03-16	Standard	Mangaung (FMB)	5	5	0.5	Yes	Analysis
6	Mangaung Metro Chess 1-2 February 2019 (B)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Grey College Team Championship 2019 (A)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
8	Mangaung Metro Chess 18-19 January 2019 (B)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
9	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
10	Mangaung Metro Chess 1-2 June 2018 (B)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	3	2	Yes	Analysis
11	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
12	Mangaung Metro Chess 20-21 April 2018 (B)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
13	Spar All Girls Festival 2018	2018-04-28	2018-04-29	Standard	Buffalo City (EBC)	8	8	8	Yes	Analysis
14	Smart Chess Blitz 2018 (U18)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	7	3.5	Yes	Analysis
15	Mangaung Metro Chess 9 - 10 March 2018 (B)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	3	3	Yes	Analysis
16	Grey College Inter Team Chess Tournament 2018 (A)	2018-02-23	2018-02-24	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
17	Mangaung Metro Chess 19 & 20 January 2018 (B)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
18	South African Junior Team Championships 2017 (U16-U20 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Spar All Girls Festival 2018				Tournament Inter Regional 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, N (Natasha)				Opponent Bezuidenhout, LB (Leonard)
2	7	Tournament Grey College Team Championship 2020				Tournament High School League Tournament 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Matthews, A (Atlenhong)				Opponent Mccarthy, M (Megan)
3	7	Tournament All Girls Festival 2019				Tournament Inter Regional Chess Championship 2019
		date 2019-05-03	rnd 8	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 0.5
		Opponent Sonday, R (Raadiah)				Opponent Naude, N (Nia)

#	Games	Start				End
1	9	Tournament Spar All Girls Festival 2018				Tournament Inter Regional 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, N (Natasha)				Opponent Bezuidenhout, LB (Leonard)
2	7	Tournament Grey College Team Championship 2020				Tournament High School League Tournament 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Matthews, A (Atlenhong)				Opponent Mccarthy, M (Megan)
3	7	Tournament All Girls Festival 2019				Tournament Inter Regional Chess Championship 2019
		date 2019-05-03	rnd 8	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 0.5
		Opponent Sonday, R (Raadiah)				Opponent Naude, N (Nia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 3	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Mutambala, B (Baraka)				Opponent Moshoeshoe, M (Maletapata)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 6	type Blitz	result 0.5	date 2018-03-03	rnd 6	type Blitz	result 0.5
		Opponent Duvenhage, HW (Hendrik)				Opponent Duvenhage, HW (Hendrik)
3	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 1	type Blitz	result 1	date 2018-03-03	rnd 1	type Blitz	result 1
		Opponent Donachie, S (Serena)				Opponent Donachie, S (Serena)

#	Games	Start				End
1	9	Tournament Spar All Girls Festival 2018				Tournament Inter Regional 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, N (Natasha)				Opponent Bezuidenhout, LB (Leonard)
2	6	Tournament All Girls Festival 2019				Tournament Inter Regional Chess Championship 2019
		date 2019-05-03	rnd 8	type Standard	result 1	date 2019-05-11	rnd 4	type Standard	result 1
		Opponent Sonday, R (Raadiah)				Opponent Maseng, G (Gontlafetse)
3	6	Tournament All Girls Festival 2019				Tournament All Girls Festival 2019
		date 2019-05-02	rnd 1	type Standard	result 1	date 2019-05-03	rnd 6	type Standard	result 1
		Opponent Du Toit, L (Leah)				Opponent Mokotjo, P (Pretty)

#	Games	Start				End
1	9	Tournament Spar All Girls Festival 2018				Tournament Inter Regional 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, N (Natasha)				Opponent Bezuidenhout, LB (Leonard)
2	6	Tournament All Girls Festival 2019				Tournament Inter Regional Chess Championship 2019
		date 2019-05-03	rnd 8	type Standard	result 1	date 2019-05-11	rnd 4	type Standard	result 1
		Opponent Sonday, R (Raadiah)				Opponent Maseng, G (Gontlafetse)
3	6	Tournament All Girls Festival 2019				Tournament All Girls Festival 2019
		date 2019-05-02	rnd 1	type Standard	result 1	date 2019-05-03	rnd 6	type Standard	result 1
		Opponent Du Toit, L (Leah)				Opponent Mokotjo, P (Pretty)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 3	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Mutambala, B (Baraka)				Opponent Moshoeshoe, M (Maletapata)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 1	type Blitz	result 1	date 2018-03-03	rnd 1	type Blitz	result 1
		Opponent Donachie, S (Serena)				Opponent Donachie, S (Serena)

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	Motaung ,L (Lehlohonolo)	3	0	-425	2	0	-425	0	0	0	1	0	-425
1	Motaung ,L (Lehlohonolo)	3	1398.8	973.8	2	1408	973.8	0	0	0	1	1436.2	973.8
2	Rathaba ,I (Itumeleng)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Rathaba ,I (Itumeleng)	2	1084.9	872.4	2	1088.7	872.4	0	0	0	0	0	0
3	Jordaan ,A (Andre)	2	1	0	2	1	0	0	0	0	0	0	0
3	Jordaan ,A (Andre)	2	968.3	968.3	2	965.1	968.3	0	0	0	0	0	0
4	Van Rooyen ,H (Hanro)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Van Rooyen ,H (Hanro)	2	1196.7	771.7	2	1186.6	771.7	0	0	0	0	0	0
5	Memani ,A (Ayabulela)	2	2	425	2	2	425	0	0	0	0	0	0
5	Memani ,A (Ayabulela)	2	1184.6	1609.6	2	1182	1609.6	0	0	0	0	0	0
6	Mokotjo ,P (Pretty)	2	2	425	2	2	425	0	0	0	0	0	0
6	Mokotjo ,P (Pretty)	2	525.8	950.8	2	530.4	950.8	0	0	0	0	0	0
7	Seromo ,L (Leabua)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Seromo ,L (Leabua)	2	1090.5	665.5	2	1087.5	665.5	0	0	0	0	0	0
8	Duvenhage ,HW (Hendrik Wian)	2	0.5	-212.5	1	0	-425	0	0	0	1	0.5	0
8	Duvenhage ,HW (Hendrik Wian)	2	1257.8	1045.2	1	1257.8	832.8	0	0	0	1	1257.8	1257.8
9	Maile ,E (Edward)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maile ,E (Edward)	1	1249.7	1674.7	1	1246.2	1674.7	0	0	0	0	0	0
10	Babusi ,B (Rebaone)	1	1	425	1	1	425	0	0	0	0	0	0
10	Babusi ,B (Rebaone)	1	1026	1451	1	1018.1	1451	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

Zeeman, JA (Johanna Adriana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms