Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mcdonald, C (Christo)

Chess SA id

170022305

FIDE id

Date of birth

1970-03-02 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1090.6	1079.6	1025.6	1025.6
Raw rating	1090.6	1079.6	1025.6	1025.6
Weighted rating	1090.6	1079.6	1025.6	1025.6
Weighted performance	0	0	0	0
Floor	590.6	579.6	525.6	525.6
K-factor	40	40	40	40
Min/Max rating change allowed	193.8	196.8	212.6	212.6
Highest rating	1232.8 2018-09-01	1227.9 2018-09-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1090.6 2024-02-01	1079.6 2024-02-01	1025.6 2024-02-01	1025.6 2024-02-01
Highest weighted rating	1090.6 2024-11-01	1079.6 2024-11-01	1025.6 2024-11-01	1025.6 2024-11-01
Highest weighted performance	1232.8 2018-09-01	1227.9 2018-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1090.6	1079.6	1025.6	1025.6
Analysis
Rating	1090.6	1079.6	1025.6	1025.6
Raw rating	1090.6	1079.6	1025.6	1025.6
Weighted rating	1090.6	1079.6	1025.6
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	590.6	579.6	525.6	525.6
Max/Min rating change allowed	193.8	196.8	212.6	212.6
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	1090.6	1079.6	1025.6	1025.6
New weighted rating	1090.6	1079.6	1025.6	1025.6
New weighted performance	0	0	0	0
Temp new rating	1090.6	1079.6	1025.6	1025.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1090.6	1079.6	1025.6	1025.6
New K-factor	40	40	40	40
New floor	590.6	579.6	525.6	525.6

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	35	35

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	14	4.5	32.14	-151.8	1314.7	1162.9
Standard	14	4.5	32.14	-151.8	1314.7	1162.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1090.6	1079.6	1025.6	1025.6
2025-09-01	1090.6	1079.6	1025.6	1025.6
2025-08-01	1090.6	1079.6	1025.6	1025.6
2025-07-01	1090.6	1079.6	1025.6	1025.6
2025-06-01	1090.6	1079.6	1025.6	1025.6
2025-05-01	1090.6	1079.6	1025.6	1025.6
2025-04-01	1090.6	1079.6	1025.6	1025.6
2025-03-01	1090.6	1079.6	1025.6	1025.6
2025-02-01	1090.6	1079.6	1025.6	1025.6
2025-01-01	1090.6	1079.6	1025.6	1025.6
2024-12-01	1090.6	1079.6	1025.6	1025.6
2024-11-01	1090.6	1079.6	1025.6	1025.6
2024-10-01	1090.6	1079.6	1025.6	1025.6
2024-09-01	1090.6	1079.6	1025.6	1025.6
2024-08-01	1090.6	1079.6	1025.6	1025.6
2024-07-01	1090.6	1079.6	1025.6	1025.6
2024-06-01	1090.6	1079.6	1025.6	1025.6
2024-08-01	1090.6	1079.6	1025.6	1025.6
2024-04-01	1090.6	1079.6	1025.6	1025.6
2024-03-01	1090.6	1079.6	1025.6	1025.6
2024-02-01	1090.6	1079.6	1025.6	1025.6
2024-01-01	1090.6	1079.6	1025.6	1025.6
2023-12-01	1090.6	1079.6	1025.6	1025.6
2023-11-01	1090.6	1079.6	1025.6	1025.6

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 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	9	2.5	Yes	Analysis
2	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-17	rnd 7	type Standard	result 0.5
		Opponent Prinsloo, L (Levi)				Opponent Ariefdien, D (Dominique)
2	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Botes, R (Renier)				Opponent Botes, R (Renier)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-15	rnd 11	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Williams, M (Mark)				Opponent Williams, M (Mark)

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-17	rnd 7	type Standard	result 0.5
		Opponent Prinsloo, L (Levi)				Opponent Ariefdien, D (Dominique)
2	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Botes, R (Renier)				Opponent Botes, R (Renier)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-15	rnd 11	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Williams, M (Mark)				Opponent Williams, M (Mark)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Prinsloo, L (Levi)				Opponent Prinsloo, L (Levi)
2	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Botes, R (Renier)				Opponent Botes, R (Renier)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-15	rnd 11	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Williams, M (Mark)				Opponent Williams, M (Mark)

#	Games	Start				End
1	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Prinsloo, L (Levi)				Opponent Prinsloo, L (Levi)
2	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Botes, R (Renier)				Opponent Botes, R (Renier)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-15	rnd 11	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Williams, M (Mark)				Opponent Williams, M (Mark)

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	Ariefdien ,D (Dominique)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Ariefdien ,D (Dominique)	1	1321.9	1321.9	1	1300.9	1321.9	0	0	0	0	0	0
2	Parenzee ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Parenzee ,E (Ethan)	1	1365.9	940.9	1	1370.8	940.9	0	0	0	0	0	0
3	Thabet ,A (Ali)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Thabet ,A (Ali)	1	1308.1	883.1	1	1117.6	883.1	0	0	0	0	0	0
4	Witbooi ,EV (Elisma Valansia)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Witbooi ,EV (Elisma Valansia)	1	1246.3	821.3	1	1246.3	821.3	0	0	0	0	0	0
5	Losper ,G (Gasant)	1	1	425	1	1	425	0	0	0	0	0	0
5	Losper ,G (Gasant)	1	1501.1	1926.1	1	1492.2	1926.1	0	0	0	0	0	0
6	Fisher ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fisher ,L (Luke)	1	1254.1	829.1	1	1247.1	829.1	0	0	0	0	0	0
7	Williams ,M (Mark)	1	1	425	1	1	425	0	0	0	0	0	0
7	Williams ,M (Mark)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Ohlson ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ohlson ,L (Liam)	1	1437	1012	1	1429.3	1012	0	0	0	0	0	0
9	Samuels ,B (Bradley)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Samuels ,B (Bradley)	1	1324.4	899.4	1	1324.4	899.4	0	0	0	0	0	0
10	Prinsloo ,L (Levi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Prinsloo ,L (Levi)	1	1163.9	1588.9	1	1127.2	1588.9	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

Mcdonald, C (Christo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms