Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rae, C (Crystal)

Chess SA id

2100301207

FIDE id

Date of birth

2010-05-14 (U16)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

25.8

Junior GPX Points

1018.6

Item	Main	Standard	Rapid	Blitz
Rating	1091	1127.3	1099.1	1200
Raw rating	1030	1047.8	1076	1200
Weighted rating	1091	1127.3	1099.1	1200
Weighted performance	909.6	937.5	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	211.3	206	197.9	165.8
Highest rating	1200 2024-11-01	1200 2024-04-01	1200 2024-11-01	1200 2024-04-01
Highest raw rating	1200 2024-03-01	1200 2024-04-01	1200 2024-03-01	1200 2024-04-01
Highest weighted rating	1200 2024-11-01	1200 2024-04-01	1200 2024-11-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-6.2	-7.4	-3.1	0
New rating	1084.8	1119.9	1096	1200
Analysis
Rating	1091	1127.3	1099.1	1200
Raw rating	1030	1047.8	1076	1200
Weighted rating	1091	1127.3	1099.1
Weighted performance	909.6	937.5	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	211.3	206	197.9	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	1030	1047.8	1076	1200
New weighted rating	1084.8	1119.9	1096	1200
New weighted performance	904.1	931.8	0	0
Temp new rating	1084.8	1119.9	1096	1200
Temp new rating +/-	-6.2	-7.4	-3.1	0
Final new rating +/-	-6.2	-7.4	-3.1	0
New rating	1084.8	1119.9	1096	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	31	22	9
	15	5	10
	0	0	0
	0	0	0
	0	0	0
History	46	27	19

Games since
	Main 46	Standard 27		Rapid 19		Blitz 0
Gender	Female
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4493		1449		246
Female	1157		362		74
U16	712		238		52
U16 Female	232		80		22
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	31	8.5	27.42	-191.9	1227	1035
Standard	22	6.5	29.55	-173.9	1221.3	1047.5
Rapid	9	2	22.22	-236.1	1240.8	1004.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	46	10	21.74	-240.2	1230.9	990.7
Standard	27	6.5	24.07	-220.4	1230.6	1010.2
Rapid	19	3.5	18.42	-268.4	1231.4	962.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1030	1047.8	1076	1200
2025-09-30	1056.9	1087.8	1076	1200
2025-09-01	1056.9	1087.8	1076	1200
2025-08-01	1118	1146.4	1113.4	1200
2025-07-01	1118	1146.4	1113.4	1200
2025-06-01	1132.3	1168.9	1113.4	1200
2025-05-01	1127	1158.6	1120.4	1200
2025-04-01	1127	1158.6	1120.4	1200
2025-03-01	1127	1158.6	1120.4	1200
2025-02-01	1109.9	1146.4	1118.7	1200
2025-01-01	1056	1117.6	1065.6	1200
2024-12-01	1056	1117.6	1065.6	1200
2024-11-01	1056	1117.6	1065.6	1200
2024-10-01	1056	1117.6	1065.6	1200
2024-09-01	1067.2	1117.6	1081.6	1200
2024-08-01	1067.2	1117.6	1081.6	1200
2024-07-01	1067.2	1117.6	1081.6	1200
2024-09-01	1067.2	1117.6	1081.6	1200
2024-05-01	1103.3	1117.6	1154.4	1200
2024-04-01	1167.7	1200	1154.4	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 Gauteng Top Schools Teams (U15 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
3	Ekurhuleni North Schools Teams 2025 (U15 Girls)	2025-08-15	2025-08-15	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
4	Ekurhuleni North School District Finals 2025 (U15 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
5	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
6	Benoni High School Cluster 2025 (U15 Girls)	2025-05-09	2025-05-09	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
7	Benoni High School Cluster 15Feb 2025 (U15 Girls)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U15 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
3	Ekurhuleni North Schools Teams 2025 (U15 Girls)	2025-08-15	2025-08-15	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
4	Ekurhuleni North School District Finals 2025 (U15 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
5	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
6	Benoni High School Cluster 2025 (U15 Girls)	2025-05-09	2025-05-09	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
7	Benoni High School Cluster 15Feb 2025 (U15 Girls)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
8	Ekurhuleni North Schools Finals - Teams 2024 (U19 Girls)	2024-08-02	2024-08-02	Rapid	Ekurhuleni (GE)	3	1	0	Yes	Analysis
9	Benoni Cluster High Schools Teams 2024 (U17)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
10	Benoni Clusters Teams Girls 2024	2024-05-04	2024-05-04	Rapid	Ekurhuleni (GE)	4	0	0	No	Analysis
11	Westwood Open 2024 (A)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
12	Benoni High Schools Cluster Individuals 2024 (U15 Girls)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Sello, A (Amogelang)				Opponent Stevens, S (Sebastian)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Raath, B (Browynn)				Opponent Baker, G (Gerran)
3	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 0.5	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Brits, C (Chanica)				Opponent Ramaele, K (Katleho)

#	Games	Start				End
1	3	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Raath, B (Browynn)				Opponent Stevens, S (Sebastian)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 4	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mavie, T (Tinyiko)				Opponent Mavie, T (Tinyiko)
3	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Botha, R (Ryan)				Opponent Botha, R (Ryan)

#	Games	Start				End
1	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 0.5	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Brits, C (Chanica)				Opponent Ramaele, K (Katleho)
2	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-15	rnd 2	type Rapid	result 1	date 2025-08-15	rnd 2	type Rapid	result 1
		Opponent Lin, F (Feng-yunn)				Opponent Lin, F (Feng-yunn)
3	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Baker, G (Gerran)				Opponent Baker, G (Gerran)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Raath, B (Browynn)				Opponent Baker, G (Gerran)
2	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-15	rnd 2	type Rapid	result 1	date 2025-08-15	rnd 2	type Rapid	result 1
		Opponent Lin, F (Feng-yunn)				Opponent Lin, F (Feng-yunn)
3	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 4	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mavie, T (Tinyiko)				Opponent Mavie, T (Tinyiko)

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 4	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Mavie, T (Tinyiko)				Opponent Mavie, T (Tinyiko)
2	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Botha, R (Ryan)				Opponent Botha, R (Ryan)
3	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Stevens, S (Sebastian)				Opponent Stevens, S (Sebastian)

#	Games	Start				End
1	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-15	rnd 2	type Rapid	result 1	date 2025-08-15	rnd 2	type Rapid	result 1
		Opponent Lin, F (Feng-yunn)				Opponent Lin, F (Feng-yunn)
2	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Baker, G (Gerran)				Opponent Baker, G (Gerran)
3	1	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Ramaele, K (Katleho)				Opponent Ramaele, K (Katleho)

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	Lin ,F (Feng-yunn)	6	1	-283.3	1	0	-425	5	1	-255	0	0	0
1	Lin ,F (Feng-yunn)	6	1240.1	956.7	1	1199.8	815.1	5	1200	985.1	0	0	0
2	Maphothoma ,T (Tshegofatso)	3	0	-425	1	0	-425	2	0	-425	0	0	0
2	Maphothoma ,T (Tshegofatso)	3	1248.3	823.3	1	1251.1	823.3	2	1200	823.3	0	0	0
3	Baker ,G (Gerran)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
3	Baker ,G (Gerran)	3	1219.6	1077.9	0	0	0	3	1234.1	1077.9	0	0	0
4	Masogo ,M (Mogau Raesibe)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Masogo ,M (Mogau Raesibe)	2	1208.4	783.4	2	1193.1	783.4	0	0	0	0	0	0
5	Twala ,L (Lwandle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Twala ,L (Lwandle)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Jaarsveld ,J (Jadon)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Jaarsveld ,J (Jadon)	1	1152.6	727.6	1	1200	727.6	0	0	0	0	0	0
7	Raath ,B (Browynn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Raath ,B (Browynn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Maharaj ,M (Mihiir)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Maharaj ,M (Mihiir)	1	1401	976	1	1382.5	976	0	0	0	0	0	0
9	Zanzame ,M (Michaela)	1	1	425	1	1	425	0	0	0	0	0	0
9	Zanzame ,M (Michaela)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Botha ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Botha ,R (Ryan)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Rae, C (Crystal)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms