Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coeries, G (Given)

Chess SA id

2170144699

FIDE id

Date of birth

2017-01-09 (U10)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1103.1	1142.3	1098.8	1200
Raw rating	1032.6	1043.1	1098.8	1200
Weighted rating	1103.1	1142.3	1098.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	210.5	207.3	191.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-7.1	-9.9	0	0
New rating	1096	1132.4	1098.8	1200
Analysis
Rating	1103.1	1142.3	1098.8	1200
Raw rating	1032.6	1043.1	1098.8	1200
Weighted rating	1103.1	1142.3	1098.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	210.5	207.3	191.5	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	1032.6	1043.1	1098.8	1200
New weighted rating	1096	1132.4	1098.8	1200
New weighted performance	0	0	0	0
Temp new rating	1096	1132.4	1098.8	1200
Temp new rating +/-	-7.1	-9.9	0	0
Final new rating +/-	-7.1	-9.9	0	0
New rating	1096	1132.4	1098.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	0	0	0
	0	0	0
	4	0	4
	0	0	0
History	18	14	4

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Female
Age group	U10
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	14	1.5	10.71	-333.9	1203.9	870
Standard	14	1.5	10.71	-333.9	1203.9	870
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	1.5	8.33	-354.2	1192.8	838.6
Standard	14	1.5	10.71	-333.9	1203.9	870
Rapid	4	0	0	-425	1153.8	728.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1032.6	1043.1	1098.8	1200
2025-11-30	1032.6	1043.1	1098.8	1200
2025-11-01	1032.6	1043.1	1098.8	1200
2025-09-30	1032.6	1043.1	1098.8	1200
2025-09-01	1032.6	1043.1	1098.8	1200
2025-08-01	1143.9	1199.7	1098.8	1200
2025-07-01	1143.8	1199.5	1098.8	1200
2025-06-01	1142.3	1197.1	1098.8	1200
2025-05-01	1144.1	1200	1098.8	1200
2025-04-01	1144.1	1200	1098.8	1200
2025-03-01	1144.1	1200	1098.8	1200
2025-02-01	1144.1	1200	1098.8	1200
2025-01-01	1144.1	1200	1098.8	1200
2024-12-01	1144.1	1200	1098.8	1200
2024-11-01	1144.1	1200	1098.8	1200
2024-10-01	1144.1	1200	1098.8	1200
2024-09-01	1144.1	1200	1098.8	1200
2024-11-01	1144.1	1200	1098.8	1200
2024-07-01	1144.1	1200	1098.8	1200
2024-06-01	1144.1	1200	1098.8	1200
2024-05-01	1144.1	1200	1098.8	1200
2024-04-01	1144.1	1200	1098.8	1200
2024-03-01	1144.1	1200	1098.8	1200
2024-02-01	1144.1	1200	1098.8	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	De Aar Primary School 2025 (U8+U10)	2025-08-16	2025-08-16	Standard	Pixley-ka-Seme (NCP)	5	5	0	Yes	Analysis
2	Hopetown Schools Open 2025 (U9)	2025-08-01	2025-08-01	Standard	Pixley-ka-Seme (NCP)	5	5	0.5	Yes	Analysis
3	2025 Hopetown Schools Chess Tournament (U9)	2025-05-17	2025-05-17	Standard	Pixley-ka-Seme (NCP)	5	4	1	Yes	Analysis
4	Mangaung Metro Chess 13 August 2022 (Ladies)	2022-08-13	2022-08-13	Rapid	Mangaung (FMB)	5	4	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Hopetown Schools Open 2025				Tournament Hopetown Schools Open 2025
		date 2025-08-01	rnd 5	type Standard	result 0.5	date 2025-08-01	rnd 5	type Standard	result 0.5
		Opponent De Noon, K (Kate-Lynn)				Opponent De Noon, K (Kate-Lynn)
2	1	Tournament 2025 Hopetown Schools Chess Tournament				Tournament 2025 Hopetown Schools Chess Tournament
		date 2025-05-17	rnd 5	type Standard	result 0.5	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Van Eck, L (Loure)				Opponent Van Eck, L (Loure)
3	1	Tournament 2025 Hopetown Schools Chess Tournament				Tournament 2025 Hopetown Schools Chess Tournament
		date 2025-05-17	rnd 3	type Standard	result 0.5	date 2025-05-17	rnd 3	type Standard	result 0.5
		Opponent Swiegers, J (Juan)				Opponent Swiegers, J (Juan)

#	Games	Start				End
1	1	Tournament Hopetown Schools Open 2025				Tournament Hopetown Schools Open 2025
		date 2025-08-01	rnd 5	type Standard	result 0.5	date 2025-08-01	rnd 5	type Standard	result 0.5
		Opponent De Noon, K (Kate-Lynn)				Opponent De Noon, K (Kate-Lynn)
2	1	Tournament 2025 Hopetown Schools Chess Tournament				Tournament 2025 Hopetown Schools Chess Tournament
		date 2025-05-17	rnd 5	type Standard	result 0.5	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Van Eck, L (Loure)				Opponent Van Eck, L (Loure)
3	1	Tournament 2025 Hopetown Schools Chess Tournament				Tournament 2025 Hopetown Schools Chess Tournament
		date 2025-05-17	rnd 3	type Standard	result 0.5	date 2025-05-17	rnd 3	type Standard	result 0.5
		Opponent Swiegers, J (Juan)				Opponent Swiegers, J (Juan)

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	De Noon ,K (Kate-Lynn)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	De Noon ,K (Kate-Lynn)	3	1199.9	916.6	3	1199.9	916.6	0	0	0	0	0	0
2	Van Eck ,L (Loure)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Van Eck ,L (Loure)	2	1215.7	1003.2	2	1220	1003.2	0	0	0	0	0	0
3	Swiegers ,S (Siebert Johannes)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Swiegers ,S (Siebert Johannes)	2	1207.3	782.3	2	1210	782.3	0	0	0	0	0	0
4	Vermeulen ,M (Mile)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Vermeulen ,M (Mile)	2	1194.8	769.8	2	1193.8	769.8	0	0	0	0	0	0
5	Van Pletzen ,L (Larike)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van Pletzen ,L (Larike)	2	1194.8	769.8	2	1193.8	769.8	0	0	0	0	0	0
6	Vermeulen ,JB (Johannes Bernardus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vermeulen ,JB (Johannes Bernardus)	1	1287	862	1	1290.1	862	0	0	0	0	0	0
7	Viljoen ,B (Benjamin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Viljoen ,B (Benjamin)	1	1142.5	717.5	1	1129.7	717.5	0	0	0	0	0	0
8	Swiegers ,J (Juan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Swiegers ,J (Juan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Herbst ,D (Danielle)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Herbst ,D (Danielle)	1	1138.4	713.4	0	0	0	1	755.4	713.4	0	0	0
10	April ,SL (Swazi Laurian)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	April ,SL (Swazi Laurian)	1	1143.9	718.9	0	0	0	1	1200	718.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Coeries, G (Given)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms