Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bergh, I (Isabelle)

Chess SA id

210091657

FIDE id

Date of birth

2010-03-11 (U16)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.2	1188.9	1200	1200
Raw rating	1193.2	1188.9	1200	1200
Weighted rating	1193.2	1188.9	1200	1200
Weighted performance	0	0	0	0
Floor	709.3	711.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.4	168.5	165.8	165.8
Highest rating	1214.1 2019-04-01	1211.2 2019-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1209.3 2019-05-01	1211.2 2019-05-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1209.3 2018-02-01	1211.2 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1214.1 2019-04-01	1210.9 2019-04-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.2	1188.9	1200	1200
Analysis
Rating	1193.2	1188.9	1200	1200
Raw rating	1193.2	1188.9	1200	1200
Weighted rating	1193.2	1188.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709.3	711.2	700	700
Max/Min rating change allowed	167.4	168.5	165.8	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	1193.2	1188.9	1200	1200
New weighted rating	1193.2	1188.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1193.2	1188.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.2	1188.9	1200	1200
New K-factor	36	36	36	36
New floor	709.3	711.2	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	20	11	55	42.5	1143.6	1186.1
Standard	20	11	55	42.5	1143.6	1186.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1193.2	1188.9	1200	1200
2025-09-01	1193.2	1188.9	1200	1200
2025-08-01	1193.2	1188.9	1200	1200
2025-07-01	1193.2	1188.9	1200	1200
2025-06-01	1193.2	1188.9	1200	1200
2025-05-01	1193.2	1188.9	1200	1200
2025-04-01	1193.2	1188.9	1200	1200
2025-03-01	1193.2	1188.9	1200	1200
2025-02-01	1193.2	1188.9	1200	1200
2025-01-01	1193.2	1188.9	1200	1200
2024-12-01	1193.2	1188.9	1200	1200
2024-11-01	1193.2	1188.9	1200	1200
2024-10-01	1193.2	1188.9	1200	1200
2024-09-01	1193.2	1188.9	1200	1200
2024-08-01	1193.2	1188.9	1200	1200
2024-07-01	1193.2	1188.9	1200	1200
2024-06-01	1193.2	1188.9	1200	1200
2024-08-01	1193.2	1188.9	1200	1200
2024-04-01	1193.2	1188.9	1200	1200
2024-03-01	1193.2	1188.9	1200	1200
2024-02-01	1193.2	1188.9	1200	1200
2024-01-01	1193.2	1188.9	1200	1200
2023-12-01	1193.2	1188.9	1200	1200
2023-11-01	1193.2	1188.9	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	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	D7 Individuals 2019 (U9 Girls)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
3	Dirk de Koster Chess Open 2019 (E)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
4	D7 Primary School League 2023 (U9 Boys+Mixed)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Smith, D (Dijana)				Opponent Smith, E (Elani)
2	3	Tournament D7 Primary School League 2023				Tournament Dirk de Koster Chess Open 2019
		date 2018-04-21	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Deetlefs, A (Anzelle)				Opponent Phethane, B (Boile)
3	2	Tournament D7 Individuals 2019				Tournament D7 Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-04	rnd 5	type Standard	result 1
		Opponent Dreyer, K (Karien)				Opponent Posthumus, M (Mcyla)

#	Games	Start				End
1	3	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Smith, D (Dijana)				Opponent Smith, E (Elani)
2	3	Tournament D7 Primary School League 2023				Tournament Dirk de Koster Chess Open 2019
		date 2018-04-21	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Deetlefs, A (Anzelle)				Opponent Phethane, B (Boile)
3	2	Tournament D7 Individuals 2019				Tournament D7 Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-04	rnd 5	type Standard	result 1
		Opponent Dreyer, K (Karien)				Opponent Posthumus, M (Mcyla)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D7 Individuals 2019				Tournament D7 Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-04	rnd 5	type Standard	result 1
		Opponent Dreyer, K (Karien)				Opponent Posthumus, M (Mcyla)
2	2	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Makae, K (Kabelo)				Opponent Smith, E (Elani)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Tembe, BS (Banele Siphesihle)				Opponent Tembe, BS (Banele Siphesihle)

#	Games	Start				End
1	2	Tournament D7 Individuals 2019				Tournament D7 Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-04	rnd 5	type Standard	result 1
		Opponent Dreyer, K (Karien)				Opponent Posthumus, M (Mcyla)
2	2	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Makae, K (Kabelo)				Opponent Smith, E (Elani)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Tembe, BS (Banele Siphesihle)				Opponent Tembe, BS (Banele Siphesihle)

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	Phethane ,B (Boile)	2	2	425	2	2	425	0	0	0	0	0	0
1	Phethane ,B (Boile)	2	1192.1	1617.1	2	1190.2	1617.1	0	0	0	0	0	0
2	Deetlefs ,A (Anzelle)	2	1	0	2	1	0	0	0	0	0	0	0
2	Deetlefs ,A (Anzelle)	2	1167.2	1167.2	2	1160.2	1167.2	0	0	0	0	0	0
3	De Rouwe ,ED (Eckhard)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Rouwe ,ED (Eckhard)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Posthumus ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Posthumus ,E (Ethan)	1	1151.5	1151.5	1	1141.6	1151.5	0	0	0	0	0	0
5	Smith ,E (Elani)	1	1	425	1	1	425	0	0	0	0	0	0
5	Smith ,E (Elani)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Rajagpaul ,C (Cole)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rajagpaul ,C (Cole)	1	627	1052	1	627	1052	0	0	0	0	0	0
7	Putter ,K (Kaylee)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Putter ,K (Kaylee)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Williams ,A (Anika)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Williams ,A (Anika)	1	1078.7	653.7	1	1056.3	653.7	0	0	0	0	0	0
9	Dreyer ,K (Karien)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dreyer ,K (Karien)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Smith ,D (Dijana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Smith ,D (Dijana)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Bergh, I (Isabelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms