Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mcdonald, S (Stefan)

Chess SA id

107052379

FIDE id

Date of birth

2007-03-20 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	924.9	918.4	874	823.2
Raw rating	924.9	918.4	874	823.2
Weighted rating	924.9	918.4	874	823.2
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	245.4	247.7	263.8	283.6
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	982 2019-05-01	990.4 2019-05-01	874 2024-02-01	823.2 2024-02-01
Highest weighted rating	982 2024-11-01	990.4 2024-11-01	874 2024-11-01	823.2 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	924.9	918.4	874	823.2
Analysis
Rating	924.9	918.4	874	823.2
Raw rating	924.9	918.4	874	823.2
Weighted rating	924.9	918.4	874
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	245.4	247.7	263.8	283.6
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	924.9	918.4	874	823.2
New weighted rating	924.9	918.4	874	823.2
New weighted performance	0	0	0	0
Temp new rating	924.9	918.4	874	823.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	924.9	918.4	874	823.2
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	159	154	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	25	15.5	62	102	882.7	984.7
Standard	20	12.5	62.5	106.2	869.5	975.7
Rapid	5	3	60	85	935.4	1020.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	924.9	918.4	874	823.2
2025-09-30	924.9	918.4	874	823.2
2025-09-01	924.9	918.4	874	823.2
2025-08-01	924.9	918.4	874	823.2
2025-07-01	924.9	918.4	874	823.2
2025-06-01	924.9	918.4	874	823.2
2025-05-01	924.9	918.4	874	823.2
2025-04-01	924.9	918.4	874	823.2
2025-03-01	924.9	918.4	874	823.2
2025-02-01	924.9	918.4	874	823.2
2025-01-01	924.9	918.4	874	823.2
2024-12-01	924.9	918.4	874	823.2
2024-11-01	924.9	918.4	874	823.2
2024-10-01	924.9	918.4	874	823.2
2024-09-01	924.9	918.4	874	823.2
2024-08-01	924.9	918.4	874	823.2
2024-07-01	924.9	918.4	874	823.2
2024-09-01	924.9	918.4	874	823.2
2024-05-01	924.9	918.4	874	823.2
2024-04-01	924.9	918.4	874	823.2
2024-03-01	924.9	918.4	874	823.2
2024-02-01	924.9	918.4	874	823.2
2024-01-01	924.9	918.4	874	823.2
2023-12-01	924.9	918.4	874	823.2

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 Gauteng Primary Schools Individual Chess Championships (U13 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	3	0	Yes	Analysis
2	2019 D3 Individuals (U13 Boys)	2019-04-13	2019-04-13	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
3	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2018 D3 Tshwane North Individual Chess Championships (U11 Mixed)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	South African Junior Team Championships 2017 (U12B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2018 Super 12				Tournament 2019 D3 Individuals
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Van Schalkwyk, O (Otto)				Opponent Wilson, P (Petrus Johannes)
2	5	Tournament South African Junior Team Championships 2017				Tournament 2018 D3 Tshwane North Individual Chess Championships
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Wilson, JV (Juan-Jacques)				Opponent Swele, AB (Agnes)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Nkune, K (Kgaogelo)				Opponent Pillay, PJ (Palin)

#	Games	Start				End
1	5	Tournament 2019 D3 Individuals				Tournament 2019 D3 Individuals
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Spokes, BA (Brogan)				Opponent Wilson, P (Petrus Johannes)
2	5	Tournament South African Junior Team Championships 2017				Tournament 2018 D3 Tshwane North Individual Chess Championships
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Wilson, JV (Juan-Jacques)				Opponent Swele, AB (Agnes)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Nkune, K (Kgaogelo)				Opponent Pillay, PJ (Palin)

#	Games	Start				End
1	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Van Schalkwyk, O (Otto)				Opponent Strydom, L (Lian)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 2	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Schultz, R (Ryno)				Opponent Schultz, R (Ryno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2019 D3 Individuals
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-04-13	rnd 3	type Standard	result 1
		Opponent Van Schalkwyk, O (Otto)				Opponent De Goede, D (De La Rey)
2	5	Tournament South African Junior Team Championships 2017				Tournament 2018 D3 Tshwane North Individual Chess Championships
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Wilson, JV (Juan-Jacques)				Opponent Swele, AB (Agnes)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Nkune, K (Kgaogelo)				Opponent Pillay, PJ (Palin)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament 2018 D3 Tshwane North Individual Chess Championships
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Wilson, JV (Juan-Jacques)				Opponent Swele, AB (Agnes)
2	3	Tournament 2019 D3 Individuals				Tournament 2019 D3 Individuals
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 3	type Standard	result 1
		Opponent Spokes, BA (Brogan)				Opponent De Goede, D (De La Rey)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Nkune, K (Kgaogelo)				Opponent Pillay, PJ (Palin)

#	Games	Start				End
1	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Van Schalkwyk, O (Otto)				Opponent Strydom, L (Lian)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 2	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Schultz, R (Ryno)				Opponent Schultz, R (Ryno)

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	Pillay ,PJ (Palin Josh)	1	1	425	1	1	425	0	0	0	0	0	0
1	Pillay ,PJ (Palin Josh)	1	814.8	1239.8	1	814.8	1239.8	0	0	0	0	0	0
2	Grobler ,N (Nicholis)	1	1	425	1	1	425	0	0	0	0	0	0
2	Grobler ,N (Nicholis)	1	689.8	1114.8	1	689.8	1114.8	0	0	0	0	0	0
3	Swele ,AB (Agnes Basetsana)	1	1	425	1	1	425	0	0	0	0	0	0
3	Swele ,AB (Agnes Basetsana)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Fulat ,F (Faheem)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fulat ,F (Faheem)	1	500	925	1	500	925	0	0	0	0	0	0
5	Grobler ,JTW (Johannes Theodorus Wessel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Grobler ,JTW (Johannes Theodorus Wessel)	1	578	1003	1	594	1003	0	0	0	0	0	0
6	Shange ,NS (Njabulo Samukele)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Shange ,NS (Njabulo Samukele)	1	568	143	1	568	143	0	0	0	0	0	0
7	Wilson ,P (Petrus Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
7	Wilson ,P (Petrus Johannes)	1	1166.8	1591.8	1	1160	1591.8	0	0	0	0	0	0
8	Stubbs ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Stubbs ,M (Matthew)	1	529.6	104.6	1	529.6	104.6	0	0	0	0	0	0
9	Heydenrich ,E (Emile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Heydenrich ,E (Emile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	De Goede ,D (De La Rey)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Goede ,D (De La Rey)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mcdonald, S (Stefan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms