Chess South Africa Ratings Database

PLAYER PAGE

Personal

Preston, C (Callum)

Chess SA id

1090154955

FIDE id

Date of birth

2009-05-04 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1179.2	1172.2	1200	1200
Raw rating	1179.2	1172.2	1200	1200
Weighted rating	1178.4	1170.9	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.8	172.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1207.8 2024-07-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01
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 2019-12-01	1207.8 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1179.2	1172.2	1200	1200
Analysis
Rating	1179.2	1172.2	1200	1200
Raw rating	1179.2	1172.2	1200	1200
Weighted rating	1178.4	1170.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	170.8	172.5	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	1179.2	1172.2	1200	1200
New weighted rating	1178.4	1170.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1179.2	1172.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1179.2	1172.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	1	4
	4	4	0
	0	0	0
	0	0	0
History	9	5	4

Games since
	Main 5	Standard 1		Rapid 4		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-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	9	3.5	38.89	-94.4	1193.5	1099
Standard	5	1.5	30	-170	1172.4	1002.4
Rapid	4	2	50	0	1219.8	1219.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1179.2	1172.2	1200	1200
2025-09-01	1179.2	1172.2	1200	1200
2025-08-01	1179.2	1172.2	1200	1200
2025-07-01	1179.2	1172.2	1200	1200
2025-06-01	1179.2	1172.2	1200	1200
2025-05-01	1179.2	1172.2	1200	1200
2025-04-01	1179.2	1172.2	1200	1200
2025-03-01	1179.2	1172.2	1200	1200
2025-02-01	1178.7	1171.4	1200	1200
2025-01-01	1168	1155.7	1200	1200
2024-12-01	1168	1155.7	1200	1200
2024-11-01	1168	1155.7	1200	1200
2024-10-01	1168	1155.7	1200	1200
2024-09-01	1187.4	1180.2	1200	1200
2024-08-01	1187.4	1180.2	1200	1200
2024-07-01	1183.9	1180.2	1200	1200
2024-06-01	1183.9	1180.2	1200	1200
2024-08-01	1183.9	1180.2	1200	1200
2024-04-01	1183.9	1180.2	1200	1200
2024-03-01	1183.9	1180.2	1200	1200
2024-02-01	1183.9	1180.2	1200	1200
2024-01-01	1183.9	1180.2	1200	1200
2023-12-01	1183.9	1180.2	1200	1200
2023-11-01	1183.9	1180.2	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	Ekurhuleni North Schools Finals - Teams 2024 (U15 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	1	0	Yes	Analysis
2	Edenvale High School Team Clusters 2024	2024-07-20	2024-07-20	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
3	Ekurhuleni North High School Individuals 2024 (U15 Boys)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
4	Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Edenvale High School Team Clusters 2024
		date 2023-05-13	rnd 3	type Standard	result 1	date 2024-07-20	rnd 1	type Rapid	result 1
		Opponent Mashaba, Z (Zakaria)				Opponent Hyslop, T (Thomas)
2	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Manamela, H (Hamisa)				Opponent Manamela, H (Hamisa)

#	Games	Start				End
1	2	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 0.5
		Opponent Mashaba, Z (Zakaria)				Opponent Moodley, L (Lerelle)

#	Games	Start				End
1	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Manamela, H (Hamisa)				Opponent Manamela, H (Hamisa)
2	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 1	type Rapid	result 1
		Opponent Hyslop, T (Thomas)				Opponent Hyslop, T (Thomas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Manamela, H (Hamisa)				Opponent Manamela, H (Hamisa)
2	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 1	type Rapid	result 1
		Opponent Hyslop, T (Thomas)				Opponent Hyslop, T (Thomas)
3	1	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Mashaba, Z (Zakaria)				Opponent Mashaba, Z (Zakaria)

#	Games	Start				End
1	1	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 3	type Standard	result 1
		Opponent Mashaba, Z (Zakaria)				Opponent Mashaba, Z (Zakaria)

#	Games	Start				End
1	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Manamela, H (Hamisa)				Opponent Manamela, H (Hamisa)
2	1	Tournament Edenvale High School Team Clusters 2024				Tournament Edenvale High School Team Clusters 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 1	type Rapid	result 1
		Opponent Hyslop, T (Thomas)				Opponent Hyslop, T (Thomas)

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	Mashaba ,Z (Zakaria)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mashaba ,Z (Zakaria)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Du Plessis ,R (Riley)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plessis ,R (Riley)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Moodley ,L (Lerelle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Moodley ,L (Lerelle)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Khubeka ,T (Thandolwethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Khubeka ,T (Thandolwethu)	1	1168.1	743.1	1	1162.4	743.1	0	0	0	0	0	0
5	Smit ,A (Andries)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Smit ,A (Andries)	1	1094	669	1	1057.8	669	0	0	0	0	0	0
6	Hyslop ,T (Thomas)	1	1	425	0	0	0	1	1	425	0	0	0
6	Hyslop ,T (Thomas)	1	1227.5	1652.5	0	0	0	1	1200	1652.5	0	0	0
7	Moteno ,L (Lesiang)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Moteno ,L (Lesiang)	1	1209.3	784.3	0	0	0	1	1200	784.3	0	0	0
8	Manamela ,H (Hamisa)	1	1	425	0	0	0	1	1	425	0	0	0
8	Manamela ,H (Hamisa)	1	1189.4	1614.4	0	0	0	1	1200	1614.4	0	0	0
9	Mamabolo ,K (Kgotso)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Mamabolo ,K (Kgotso)	1	1253.1	828.1	0	0	0	1	1200	828.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Preston, C (Callum)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms