Chess South Africa Ratings Database

PLAYER PAGE

Personal

May, J (Jaina)

Chess SA id

203021985

FIDE id

Date of birth

2003-01-05 (Adult)

Gender

Female

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	779.6	777.7	691.3	679.3
Raw rating	779.6	777.7	691.3	679.3
Weighted rating	778.7	776.9	691.3	679.3
Weighted performance	580.5	578.8	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	301.8	302.6	342.3	348.2
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2019-12-01
Highest raw rating	822.3 2023-06-01	821.1 2023-06-01	691.3 2024-02-01	691.3 2019-12-01
Highest weighted rating	822.3 2024-11-01	821.1 2024-11-01	691.3 2024-11-01	691.3 2024-11-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	779.6	777.7	691.3	679.3
Analysis
Rating	779.6	777.7	691.3	679.3
Raw rating	779.6	777.7	691.3	679.3
Weighted rating	778.7	776.9	691.3
Weighted performance	580.5	578.8	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	301.8	302.6	342.3	348.2
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	779.6	777.7	691.3	679.3
New weighted rating	778.8	777	691.3	679.3
New weighted performance	580.2	578.6	0	0
Temp new rating	779.6	777.7	691.3	679.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	779.6	777.7	691.3	679.3
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	28	28	0
	29	20	9
	0	0	0
History	71	62	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
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	66	0.5	0.76	-418.6	1220	801.4
Standard	57	0.5	0.88	-417.5	1205.7	788.1
Rapid	0	0	0	0	0	0
Blitz	9	0	0	-425	1310.5	885.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	779.6	777.7	691.3	679.3
2025-09-01	779.6	777.7	691.3	679.3
2025-08-01	779.6	777.7	691.3	679.3
2025-07-01	779.6	777.7	691.3	679.3
2025-06-01	779.6	777.7	691.3	679.3
2025-05-01	779.6	777.7	691.3	679.3
2025-04-01	779.6	777.7	691.3	679.3
2025-03-01	779.6	777.7	691.3	679.3
2025-02-01	779.6	777.7	691.3	679.3
2025-01-01	777.3	775.6	691.3	679.3
2024-12-01	777.3	775.6	691.3	679.3
2024-11-01	777.3	775.6	691.3	679.3
2024-10-01	777.3	775.6	691.3	679.3
2024-09-01	777.3	775.6	691.3	679.3
2024-08-01	777.3	775.6	691.3	679.3
2024-07-01	777.3	775.6	691.3	679.3
2024-06-01	777.3	775.6	691.3	679.3
2024-08-01	777.3	775.6	691.3	679.3
2024-04-01	777.3	775.6	691.3	679.3
2024-03-01	777.3	775.6	691.3	679.3
2024-02-01	777.3	775.6	691.3	679.3
2024-01-01	777.3	775.6	691.3	679.3
2023-12-01	777.3	775.6	691.3	679.3
2023-11-01	777.3	775.6	691.3	679.3

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	2023 Moja Chess Extravaganza (Ladies)	2023-09-30	2023-10-04	Standard	Frances Baard (NCF)	9	8	0	Yes	Analysis
2	Sol Plaatje Open III 2023	2023-08-05	2023-08-05	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
3	2023 Northern Cape Closed Chess Championships (Ladies)	2023-08-25	2023-08-27	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
4	Inter Regional Chess Championship 2023 (Adults)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
5	Sol Plaatje Open II 2023	2023-03-18	2023-03-19	Standard	Frances Baard (NCF)	5	3	0	Yes	Analysis
6	Sol Plaatje Open 2023	2023-02-18	2023-02-19	Standard	Frances Baard (NCF)	5	5	0	Yes	Analysis
7	Frances Baard Trials 2022 (U16+Open)	2022-10-01	2022-10-01	Standard	Frances Baard (NCF)	5	5	0	Yes	Analysis
8	FB Open Development Tournament 2022 (Ladies)	2022-09-17	2022-09-17	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
9	NC Youth Day Open Blitz 2022 (A+B)	2022-06-18	2022-06-18	Blitz	Frances Baard (NCF)	9	9	0	Yes	Analysis
10	Kimberley Chess Club Open 2022 (U15-U19)	2022-04-30	2022-04-30	Standard	Frances Baard (NCF)	5	5	0	Yes	Analysis
11	Moja Open 2022 (Ladies)	2022-03-19	2022-03-22	Standard	Frances Baard (NCF)	7	6	0	Yes	Analysis
12	Kimberley Chess Club Schools` Open 2019 (U15+U17 Girls)	2019-07-20	2019-07-20	Standard	Frances Baard (NCF)	5	5	0	Yes	Analysis
13	Frances Baard Schools Trials 2019 (U15+U18 Girls)	2019-03-02	2019-03-02	Standard	Frances Baard (NCF)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Frances Baard Schools Trials 2019				Tournament Frances Baard Schools Trials 2019
		date 2019-03-02	rnd 3	type Standard	result 0.5	date 2019-03-02	rnd 3	type Standard	result 0.5
		Opponent Moeketsi, K (Keketso)				Opponent Moeketsi, K (Keketso)

#	Games	Start				End
1	1	Tournament Frances Baard Schools Trials 2019				Tournament Frances Baard Schools Trials 2019
		date 2019-03-02	rnd 3	type Standard	result 0.5	date 2019-03-02	rnd 3	type Standard	result 0.5
		Opponent Moeketsi, K (Keketso)				Opponent Moeketsi, K (Keketso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Ahjum ,J (Jordan)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Ahjum ,J (Jordan)	3	1171.5	746.5	3	1163.5	746.5	0	0	0	0	0	0
2	Tlhaganyane ,B (Boikhutso)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Tlhaganyane ,B (Boikhutso)	3	1161.6	736.6	3	1161.2	736.6	0	0	0	0	0	0
3	Songca ,M (Misokuble)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Songca ,M (Misokuble)	2	1144	719	2	1143.4	719	0	0	0	0	0	0
4	Grove ,M (Monique)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Grove ,M (Monique)	2	1288.2	863.2	2	1300.4	863.2	0	0	0	0	0	0
5	Selebogo ,P (Pelonomi)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Selebogo ,P (Pelonomi)	2	1129.9	704.9	2	1129	704.9	0	0	0	0	0	0
6	Ahjum ,KMK (Kristen)	2	0	-425	1	0	-425	0	0	0	1	0	-425
6	Ahjum ,KMK (Kristen)	2	1460.1	1035.1	1	1519.4	1035.1	0	0	0	1	1047.6	1035.1
7	Mocumi ,V (Visolia)	2	0	-425	1	0	-425	0	0	0	1	0	-425
7	Mocumi ,V (Visolia)	2	1382.6	957.6	1	1450.2	957.6	0	0	0	1	1042.8	957.6
8	Manyate ,F (Freddie)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Manyate ,F (Freddie)	1	1303.4	878.4	1	1299.7	878.4	0	0	0	0	0	0
9	Naude ,D (Damian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Naude ,D (Damian)	1	1142	717	1	1087.8	717	0	0	0	0	0	0
10	Mathamela ,O (Omphemetse)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mathamela ,O (Omphemetse)	1	1233.9	808.9	1	1264.7	808.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

May, J (Jaina)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms