Chess South Africa Ratings Database

PLAYER PAGE

Personal

Griffiths, J (Janine)

Chess SA id

2120310986

FIDE id

Date of birth

2012-03-16 (U16)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1264.8	1292.6	1189.4	1200
Raw rating	1264.8	1292.6	1181.7	1200
Weighted rating	1240.4	1253.6	1189.4	1200
Weighted performance	1172	0	0	0
Floor	784.6	792.6	726	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.2	145.3	170.2	165.8
Highest rating	1284.6 2025-09-30	1292.6 2025-09-01	1226 2025-09-30	1200 2024-09-01
Highest raw rating	1284.6 2025-09-30	1292.6 2025-09-01	1226 2025-09-30	1200 2024-09-01
Highest weighted rating	1236.9 2025-11-30	1231.8 2025-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1271.7 2025-09-30	1200 2024-09-01	1200 2024-12-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.6	0
New rating	1264.8	1292.6	1188.8	1200
Analysis
Rating	1264.8	1292.6	1189.4	1200
Raw rating	1264.8	1292.6	1181.7	1200
Weighted rating	1240.4	1253.6	1189.4
Weighted performance	1172	0	0
K-factor	36	36	36	36
Floor	784.6	792.6	726	700
Max/Min rating change allowed	151.2	145.3	170.2	165.8
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	1264.8	1292.6	1181.7	1200
New weighted rating	1243.6	1258.3	1188.8	1200
New weighted performance	1163.9	0	0	0
Temp new rating	1264.8	1292.6	1188.8	1200
Temp new rating +/-	0	0	-0.6	0
Final new rating +/-	0	0	-0.6	0
New rating	1264.8	1292.6	1188.8	1200
New K-factor	36	36	36	36
New floor	784.6	792.6	726	700

Item	Main	Standard	Rapid
	0	0	0
	25	14	11
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	31	14	17

Games since
	Main 31	Standard 14		Rapid 17		Blitz 0
Gender	Female
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	25	15	60	85	1230.1	1315.1
Standard	14	10	71.43	182.1	1207.9	1390
Rapid	11	5	45.45	-38.6	1258.3	1219.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	31	17	54.84	41.1	1228.9	1270
Standard	14	10	71.43	182.1	1207.9	1390
Rapid	17	7	41.18	-75	1246.2	1171.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1264.8	1292.6	1181.7	1200
2025-11-30	1264.8	1292.6	1181.7	1200
2025-11-01	1284.6	1292.6	1226	1200
2025-09-30	1284.6	1292.6	1226	1200
2025-09-01	1276.6	1292.6	1186.8	1200
2025-08-01	1246.9	1259.2	1186.8	1200
2025-07-01	1246.9	1259.2	1186.8	1200
2025-06-01	1246.9	1259.2	1186.8	1200
2025-05-01	1246.9	1259.2	1186.8	1200
2025-04-01	1246.9	1259.2	1186.8	1200
2025-03-01	1246.2	1261.4	1186.8	1200
2025-02-01	1194.2	1200	1185.3	1200
2025-01-01	1184.2	1200	1160	1200
2024-12-01	1184.2	1200	1160	1200
2024-11-01	1184.2	1200	1160	1200
2024-10-01	1184.2	1200	1160	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

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	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
2	Tsogo Sun Moves For Life Learners Tournament 2025 (U13)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
3	Mossel Bay Top Schools 2025 (U13 Girls + U15 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	3	Yes	Analysis
4	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
5	Eden Schools Chess Trials 1 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	Mossel Bay Schools Trials 2 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Tsogo Sun Moves For Life Learners Tournament 2024 (U13)	2024-08-31	2024-08-31	Rapid	Eden (WEG)	6	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Stokhwe, A (Amzolele)
2	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Izaks, L (Luzandre)				Opponent Jacobs, J (Jaylynn)
3	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Andrews, R (Rihano)				Opponent Wonderlik, G (Garth)

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Stokhwe, A (Amzolele)
2	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Izaks, L (Luzandre)				Opponent Jacobs, J (Jaylynn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Albertyn, A (Ayasha)				Opponent Albertyn, A (Ayasha)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Andrews, R (Rihano)				Opponent Wonderlik, G (Garth)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-08-31	rnd 3	type Rapid	result 1
		Opponent November, D (Devante)				Opponent Isaacs, J (Jonathan)
3	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Davids, K (Kaydon)				Opponent Davids, K (Kaydon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Stokhwe, A (Amzolele)
2	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Izaks, L (Luzandre)				Opponent Jacobs, J (Jaylynn)
3	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Andrews, R (Rihano)				Opponent Wonderlik, G (Garth)

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Stokhwe, A (Amzolele)
2	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Izaks, L (Luzandre)				Opponent Jacobs, J (Jaylynn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Albertyn, A (Ayasha)				Opponent Albertyn, A (Ayasha)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Andrews, R (Rihano)				Opponent Wonderlik, G (Garth)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 2	type Rapid	result 1	date 2024-08-31	rnd 3	type Rapid	result 1
		Opponent November, D (Devante)				Opponent Isaacs, J (Jonathan)
3	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Davids, K (Kaydon)				Opponent Davids, K (Kaydon)

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	Jacobs ,J (Jaylynn)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Jacobs ,J (Jaylynn)	2	1199.6	1199.6	1	1200	1624.6	1	1200	774.6	0	0	0
2	November ,D (Devante)	2	2	425	0	0	0	2	2	425	0	0	0
2	November ,D (Devante)	2	1199.8	1624.8	0	0	0	2	1200	1624.8	0	0	0
3	Albertyn ,A (Ayasha)	1	1	425	1	1	425	0	0	0	0	0	0
3	Albertyn ,A (Ayasha)	1	1122.5	1547.5	1	1112.2	1547.5	0	0	0	0	0	0
4	Ndyawe ,S (Simphiwe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ndyawe ,S (Simphiwe)	1	1199.5	1624.5	1	1199.3	1624.5	0	0	0	0	0	0
5	Booysen ,A (Amique)	1	1	425	1	1	425	0	0	0	0	0	0
5	Booysen ,A (Amique)	1	1183.1	1608.1	1	1179.6	1608.1	0	0	0	0	0	0
6	Du Preez ,R (Rumecha)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Du Preez ,R (Rumecha)	1	1360.4	935.4	1	1362	935.4	0	0	0	0	0	0
7	Stokhwe ,A (Amzolele)	1	1	425	1	1	425	0	0	0	0	0	0
7	Stokhwe ,A (Amzolele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Appels ,C (Chelsea)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Appels ,C (Chelsea)	1	1140.8	715.8	1	1139.9	715.8	0	0	0	0	0	0
9	Schuch ,H (Haily)	1	1	425	1	1	425	0	0	0	0	0	0
9	Schuch ,H (Haily)	1	1148.4	1573.4	1	1169.8	1573.4	0	0	0	0	0	0
10	Barends ,Y (Youmorne)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Barends ,Y (Youmorne)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Griffiths, J (Janine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms