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

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

20.8

Junior GPX Points

1028.2

Item	Main	Standard	Rapid	Blitz
Rating	1097.7	1135.2	1102.5	1200
Raw rating	1056.9	1087.8	1076	1200
Weighted rating	1097.7	1135.2	1102.5	1200
Weighted performance	938.5	949.2	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	203.3	194.6	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	-4.6	-4.7	-3.5	0
New rating	1093.1	1130.5	1099.1	1200
Analysis
Rating	1097.7	1135.2	1102.5	1200
Raw rating	1056.9	1087.8	1076	1200
Weighted rating	1097.7	1135.2	1102.5
Weighted performance	938.5	949.2	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	203.3	194.6	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	1056.9	1087.8	1076	1200
New weighted rating	1093.1	1130.5	1099.1	1200
New weighted performance	938.2	948.9	0	0
Temp new rating	1093.1	1130.5	1099.1	1200
Temp new rating +/-	-4.6	-4.7	-3.5	0
Final new rating +/-	-4.6	-4.7	-3.5	0
New rating	1093.1	1130.5	1099.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	26	17	9
	15	5	10
	0	0	0
	0	0	0
	0	0	0
History	41	22	19

Games since
	Main 41	Standard 22		Rapid 19		Blitz 0
Gender	Female
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4370		1393		231
Female	1131		334		63
U16	689		220		48
U16 Female	226		73		19
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	26	7.5	28.85	-179.8	1230.7	1050.9
Standard	17	5.5	32.35	-150	1225.3	1075.3
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	41	9	21.95	-238.4	1233.7	995.3
Standard	22	5.5	25	-212.5	1235.8	1023.3
Rapid	19	3.5	18.42	-268.4	1231.4	962.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	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
2024-06-01	1067.2	1117.6	1081.6	1200
2024-08-01	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
2023-11-01	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	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Girls)	2025-08-15	2025-08-15	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U15 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	Benoni High School Cluster 2025 (U15 Girls)	2025-05-09	2025-05-09	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
6	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	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Girls)	2025-08-15	2025-08-15	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U15 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	Benoni High School Cluster 2025 (U15 Girls)	2025-05-09	2025-05-09	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
6	Benoni High School Cluster 15Feb 2025 (U15 Girls)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
7	Ekurhuleni North Schools Finals - Teams 2024 (U19 Girls)	2024-08-02	2024-08-02	Rapid	Ekurhuleni (GE)	3	1	0	Yes	Analysis
8	Benoni Cluster High Schools Teams 2024 (U17)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
9	Benoni Clusters Teams Girls 2024	2024-05-04	2024-05-04	Rapid	Ekurhuleni (GE)	4	0	0	No	Analysis
10	Westwood Open 2024 (A)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
11	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	Ntuli ,R (Reamogetse)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ntuli ,R (Reamogetse)	1	1333.8	908.8	1	1287.5	908.8	0	0	0	0	0	0
6	Ramnath ,S (Sheiyur)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ramnath ,S (Sheiyur)	1	1202.4	777.4	1	1204	777.4	0	0	0	0	0	0
7	Van Jaarsveld ,J (Jadon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Jaarsveld ,J (Jadon)	1	1152.6	727.6	1	1200	727.6	0	0	0	0	0	0
8	Botha ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Botha ,R (Ryan)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0
9	Sello ,A (Amogelang)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Sello ,A (Amogelang)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Zingoni ,N (Ngaakudzwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Zingoni ,N (Ngaakudzwe)	1	1511	1086	1	1544.6	1086	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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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms