Chess South Africa Ratings Database

PLAYER PAGE

Personal

Meyer, J (Jakoba)

Chess SA id

2120302902

FIDE id

Date of birth

2012-12-10 (U14)

Gender

Female

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-20

Personal details last changed

2025-07-28

Junior GPX Games

Junior GPX Points

1241.1

Item	Main	Standard	Rapid	Blitz
Rating	1235	1252.6	1198.7	1200
Raw rating	1235	1252.6	1195.6	1200
Weighted rating	1201.6	1202	1198.7	1200
Weighted performance	1124.1	1193.6	0	0
Floor	788.3	816	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	153.9	166.9	165.8
Highest rating	1288.3 2025-04-01	1316 2025-08-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1288.3 2025-04-01	1316 2025-08-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1288.3 2024-04-01	1285.8 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1288.3 2025-04-01	1285.8 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.3	0
New rating	1235	1252.6	1198.4	1200
Analysis
Rating	1235	1252.6	1198.7	1200
Raw rating	1235	1252.6	1195.6	1200
Weighted rating	1201.6	1202	1198.7
Weighted performance	1124.1	1193.6	0
K-factor	36	36	36	36
Floor	788.3	816	700	700
Max/Min rating change allowed	157.7	153.9	166.9	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	1235	1252.6	1195.6	1200
New weighted rating	1205.8	1207.9	1198.4	1200
New weighted performance	1117.3	1186.4	0	0
Temp new rating	1235	1252.6	1198.4	1200
Temp new rating +/-	0	0	-0.3	0
Final new rating +/-	0	0	-0.3	0
New rating	1235	1252.6	1198.4	1200
New K-factor	36	36	36	36
New floor	788.3	816	700	700

Item	Main	Standard	Rapid
	0	0	0
	32	28	4
	21	21	0
	0	0	0
	0	0	0
	0	0	0
History	53	49	4

Games since
	Main 53	Standard 49		Rapid 4		Blitz 0
Gender	Female
Age group	U14
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	3848		102		55
Female	882		27		14
U14	744		13		8
U14 Female	210		4		3
Standard
	RSA		Province		Region
Overall	3623		132		71
Female	797		30		16
U14	694		22		11
U14 Female	199		5		3
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	32	16.5	51.56	13.3	1272.8	1286.1
Standard	28	16	57.14	60.7	1266.3	1327
Rapid	4	0.5	12.5	-318.8	1318.2	999.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	53	19.5	36.79	-112.3	1273.6	1161.3
Standard	49	19	38.78	-95.4	1270	1174.6
Rapid	4	0.5	12.5	-318.8	1318.2	999.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1235	1252.6	1195.6	1200
2025-09-30	1235	1252.6	1195.6	1200
2025-09-01	1254.4	1279.2	1195.6	1200
2025-08-01	1283.1	1316	1195.6	1200
2025-07-01	1288.3	1285.8	1200	1200
2025-06-01	1288.3	1285.8	1200	1200
2025-05-01	1288.3	1285.8	1200	1200
2025-04-01	1288.3	1285.8	1200	1200
2025-03-01	1207.9	1215.2	1200	1200
2025-02-01	1130.1	1118.2	1200	1200
2025-01-01	1078.6	1062	1200	1200
2024-12-01	1078.6	1062	1200	1200
2024-11-01	1078.6	1062	1200	1200
2024-10-01	1084	1059.6	1200	1200
2024-09-01	1084	1059.6	1200	1200
2024-08-01	1084	1059.6	1200	1200
2024-07-01	1120.3	1103.6	1200	1200
2024-09-01	1133.1	1119.6	1200	1200
2024-05-01	1133.1	1119.6	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

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	2025 Frances Baard Schools Chess Festival 0.2 (U15+U17)	2025-09-20	2025-09-20	Standard	Frances Baard (NCF)	5	4	1	Yes	Analysis
2	Northern Cape Closed 202 (U14 Girls)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
3	2025 Karpov Chess Club Rapid Open 0.2 (B)	2025-07-26	2025-07-26	Rapid	Frances Baard (NCF)	5	4	0.5	Yes	Analysis
4	KCC School Holiday Tournament 2.0 2025	2025-07-02	2025-07-02	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
5	2025 Frances Baard Schools Open IV (U13)	2025-04-17	2025-04-17	Standard	Frances Baard (NCF)	5	0	0	No	Analysis
6	2025 Frances Baard Schools Chess Open 3.0 (U13)	2025-03-01	2025-03-01	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
7	2025 Frances Baard Schools Open 2.0 (U13)	2025-02-15	2025-02-15	Standard	Frances Baard (NCF)	5	4	1.5	Yes	Analysis
8	2025 Frances Baard Schools Open (U13)	2025-02-01	2025-02-01	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Frances Baard Schools Chess Festival 0.2 (U15+U17)	2025-09-20	2025-09-20	Standard	Frances Baard (NCF)	5	4	1	Yes	Analysis
2	Northern Cape Closed 202 (U14 Girls)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
3	2025 Karpov Chess Club Rapid Open 0.2 (B)	2025-07-26	2025-07-26	Rapid	Frances Baard (NCF)	5	4	0.5	Yes	Analysis
4	KCC School Holiday Tournament 2.0 2025	2025-07-02	2025-07-02	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
5	2025 Frances Baard Schools Open IV (U13)	2025-04-17	2025-04-17	Standard	Frances Baard (NCF)	5	0	0	No	Analysis
6	2025 Frances Baard Schools Chess Open 3.0 (U13)	2025-03-01	2025-03-01	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
7	2025 Frances Baard Schools Open 2.0 (U13)	2025-02-15	2025-02-15	Standard	Frances Baard (NCF)	5	4	1.5	Yes	Analysis
8	2025 Frances Baard Schools Open (U13)	2025-02-01	2025-02-01	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
9	2024 FB Schools Open 7.0 2024 (U13)	2024-10-19	2024-10-19	Standard	Frances Baard (NCF)	5	4	0.5	Yes	Analysis
10	2024 Frances Baard Open 6.0 (C)	2024-10-05	2024-10-05	Standard	Frances Baard (NCF)	5	4	1.5	Yes	Analysis
11	2024 Frances Baard Grand Prix 2.0 (C)	2024-07-06	2024-07-06	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
12	2024 Kimberley Chess Club School Holiday Tournament (Rooks)	2024-06-19	2024-06-19	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
13	2024 Frances Baard Schools Open 5.0 (U13)	2024-04-27	2024-04-27	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2025 Frances Baard Schools Open 2.0				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-07-02	rnd 1	type Standard	result 1
		Opponent Nadasen, N (Nikaash)				Opponent Nikani, I (Imihle)
2	5	Tournament 2025 Frances Baard Schools Open				Tournament 2025 Frances Baard Schools Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent De Villiers, Z (Zach)				Opponent Cleaver, J (Jordan-Daniel)
3	2	Tournament KCC School Holiday Tournament 2.0 2025				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-07-02	rnd 3	type Standard	result 1	date 2025-07-02	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nikyle)				Opponent Cleaver, J (Jordan-Daniel)

#	Games	Start				End
1	8	Tournament 2025 Frances Baard Schools Open 2.0				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-07-02	rnd 1	type Standard	result 1
		Opponent Nadasen, N (Nikaash)				Opponent Nikani, I (Imihle)
2	5	Tournament 2025 Frances Baard Schools Open				Tournament 2025 Frances Baard Schools Open
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent De Villiers, Z (Zach)				Opponent Cleaver, J (Jordan-Daniel)
3	2	Tournament KCC School Holiday Tournament 2.0 2025				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-07-02	rnd 3	type Standard	result 1	date 2025-07-02	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nikyle)				Opponent Cleaver, J (Jordan-Daniel)

#	Games	Start				End
1	1	Tournament 2025 Karpov Chess Club Rapid Open 0.2				Tournament 2025 Karpov Chess Club Rapid Open 0.2
		date 2025-07-26	rnd 2	type Rapid	result 0.5	date 2025-07-26	rnd 2	type Rapid	result 0.5
		Opponent Louw, J (Jason)				Opponent Louw, J (Jason)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament KCC School Holiday Tournament 2.0 2025				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-07-02	rnd 3	type Standard	result 1	date 2025-07-02	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nikyle)				Opponent Cleaver, J (Jordan-Daniel)
2	2	Tournament 2025 Frances Baard Schools Chess Open 3.0				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-07-02	rnd 1	type Standard	result 1
		Opponent Cleaver, J (Jordan-Daniel)				Opponent Nikani, I (Imihle)
3	2	Tournament 2025 Frances Baard Schools Open				Tournament 2025 Frances Baard Schools Open
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Mokwena, H (Hlompho)				Opponent Cleaver, J (Jordan-Daniel)

#	Games	Start				End
1	2	Tournament KCC School Holiday Tournament 2.0 2025				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-07-02	rnd 3	type Standard	result 1	date 2025-07-02	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nikyle)				Opponent Cleaver, J (Jordan-Daniel)
2	2	Tournament 2025 Frances Baard Schools Chess Open 3.0				Tournament KCC School Holiday Tournament 2.0 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-07-02	rnd 1	type Standard	result 1
		Opponent Cleaver, J (Jordan-Daniel)				Opponent Nikani, I (Imihle)
3	2	Tournament 2025 Frances Baard Schools Open				Tournament 2025 Frances Baard Schools Open
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Mokwena, H (Hlompho)				Opponent Cleaver, J (Jordan-Daniel)

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	Louw ,J (Jason)	4	2.5	106.2	3	2	141.7	1	0.5	0	0	0	0
1	Louw ,J (Jason)	4	1195	1301.2	3	1162.1	1336.7	1	1200	1195	0	0	0
2	Cleaver ,J (Jordan-Daniel)	3	3	425	3	3	425	0	0	0	0	0	0
2	Cleaver ,J (Jordan-Daniel)	3	1216.5	1641.5	3	1218.4	1641.5	0	0	0	0	0	0
3	Ross ,E (Ebenezer)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Ross ,E (Ebenezer)	3	1407.2	982.2	3	1388.2	982.2	0	0	0	0	0	0
4	Anderson ,J (James)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Anderson ,J (James)	3	1226.4	1084.8	3	1214.9	1084.8	0	0	0	0	0	0
5	Ahjum ,AXE (Annabelle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Ahjum ,AXE (Annabelle)	2	1399.4	1186.9	2	1395.9	1186.9	0	0	0	0	0	0
6	Wyl ,C (Caleb Reatlegile)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Wyl ,C (Caleb Reatlegile)	2	1517.9	1092.9	2	1494.5	1092.9	0	0	0	0	0	0
7	Tom ,K (Kamogelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Tom ,K (Kamogelo)	2	1247.5	822.5	2	1254.4	822.5	0	0	0	0	0	0
8	Mahadika ,R (Rorisang)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mahadika ,R (Rorisang)	2	1274.2	849.2	2	1266.9	849.2	0	0	0	0	0	0
9	Van Pletzen ,C (Carli)	2	1	0	2	1	0	0	0	0	0	0	0
9	Van Pletzen ,C (Carli)	2	1200.3	1200.3	2	1200.2	1200.3	0	0	0	0	0	0
10	Jones ,K (Kwezi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Jones ,K (Kwezi)	1	1200	1200	1	1200	1200	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

Meyer, J (Jakoba)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms