Chess South Africa Ratings Database

PLAYER PAGE

Personal

De La Rey, C (Callum)

Chess SA id

1120134740

FIDE id

Date of birth

2012-02-21 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1156.1

Item	Main	Standard	Rapid	Blitz
Rating	1154.1	1146	1200	1200
Raw rating	1154.1	1146	1200	1200
Weighted rating	1127.1	1110	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177	179.1	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	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 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1154.1	1146	1200	1200
Analysis
Rating	1154.1	1146	1200	1200
Raw rating	1154.1	1146	1200	1200
Weighted rating	1127.1	1110	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177	179.1	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	1154.1	1146	1200	1200
New weighted rating	1129.4	1113.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1154.1	1146	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1154.1	1146	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	11	11
	0	0
	0	0
	11	11
	0	0
History	22	22

Games since
	Main 11	Standard 11		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	11	3.5	31.82	-154.5	1283.2	1128.7
Standard	11	3.5	31.82	-154.5	1283.2	1128.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	6.5	29.55	-173.9	1237.9	1064
Standard	22	6.5	29.55	-173.9	1237.9	1064
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1154.1	1146	1200	1200
2025-09-01	1154.1	1146	1200	1200
2025-08-01	1122.1	1103.3	1200	1200
2025-07-01	1122.1	1103.3	1200	1200
2025-06-01	1122.1	1103.3	1200	1200
2025-05-01	1122	1103.2	1200	1200
2025-04-01	1119.6	1100.8	1200	1200
2025-03-01	1122.4	1103.6	1200	1200
2025-02-01	1122.4	1103.6	1200	1200
2025-01-01	1122.4	1103.6	1200	1200
2024-12-01	1122.4	1103.6	1200	1200
2024-11-01	1122.4	1103.6	1200	1200
2024-10-01	1122.4	1103.6	1200	1200
2024-09-01	1122.4	1103.6	1200	1200
2024-08-01	1122.4	1103.6	1200	1200
2024-07-01	1122.4	1103.6	1200	1200
2024-06-01	1122.4	1103.6	1200	1200
2024-08-01	1122.4	1103.6	1200	1200
2024-04-01	1122.4	1103.6	1200	1200
2024-03-01	1122.4	1103.6	1200	1200
2024-02-01	1122.4	1103.6	1200	1200
2024-01-01	1122.4	1103.6	1200	1200
2023-12-01	1122.4	1103.6	1200	1200
2023-11-01	1122.4	1103.6	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	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
3	Cape Winelands Open 2022 (U12)	2022-02-12	2022-02-13	Standard	Cape Winelands (WCW)	6	5	2	Yes	Analysis
4	2022 Cape Of Good Hope Open (Intrmediate)	2022-01-29	2022-01-30	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 0.5
		Opponent Geldenhuys, K (Katja)				Opponent Maansdorp, C (Cirgio)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent Cupido, T (Tatum)				Opponent Cupido, T (Tatum)
3	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Chumpitaz Avila, J (Josef)				Opponent Chumpitaz Avila, J (Josef)

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 0.5
		Opponent Geldenhuys, K (Katja)				Opponent Maansdorp, C (Cirgio)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent Cupido, T (Tatum)				Opponent Cupido, T (Tatum)
3	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Chumpitaz Avila, J (Josef)				Opponent Chumpitaz Avila, J (Josef)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Geldenhuys, K (Katja)				Opponent Geldenhuys, K (Katja)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent Cupido, T (Tatum)				Opponent Cupido, T (Tatum)
3	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Chumpitaz Avila, J (Josef)				Opponent Chumpitaz Avila, J (Josef)

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Geldenhuys, K (Katja)				Opponent Geldenhuys, K (Katja)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent Cupido, T (Tatum)				Opponent Cupido, T (Tatum)
3	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Chumpitaz Avila, J (Josef)				Opponent Chumpitaz Avila, J (Josef)

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	Nel ,C (Charles Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Nel ,C (Charles Paul)	1	1654.4	1229.4	1	1671.9	1229.4	0	0	0	0	0	0
2	Milhomem ,L (Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Milhomem ,L (Lucas)	1	1310	885	1	1218.3	885	0	0	0	0	0	0
3	Geldenhuys ,K (Katja)	1	1	425	1	1	425	0	0	0	0	0	0
3	Geldenhuys ,K (Katja)	1	1326.6	1751.6	1	1356.4	1751.6	0	0	0	0	0	0
4	Sombalo ,L (Luvolwethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sombalo ,L (Luvolwethu)	1	1240.3	815.3	1	1244.6	815.3	0	0	0	0	0	0
5	Chumpitaz Avila ,J (Josef)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chumpitaz Avila ,J (Josef)	1	1208.1	1633.1	1	1164.9	1633.1	0	0	0	0	0	0
6	Macilikishe ,A (Anda)	1	1	425	1	1	425	0	0	0	0	0	0
6	Macilikishe ,A (Anda)	1	1065.8	1490.8	1	1087.6	1490.8	0	0	0	0	0	0
7	Allie ,AD (Abdu Dayaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Allie ,AD (Abdu Dayaan)	1	1163.9	738.9	1	1168.4	738.9	0	0	0	0	0	0
8	Smit ,M (Mario)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smit ,M (Mario)	1	1226.7	801.7	1	1268.1	801.7	0	0	0	0	0	0
9	Goosen ,J (Jeandre)	1	1	425	1	1	425	0	0	0	0	0	0
9	Goosen ,J (Jeandre)	1	1192.1	1617.1	1	1124.1	1617.1	0	0	0	0	0	0
10	Van Der Merwe ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Merwe ,R (Ruben)	1	1131.5	706.5	1	1099.6	706.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De La Rey, C (Callum)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms