Chess South Africa Ratings Database

PLAYER PAGE

Personal

Macdonald, D (Devon)

Chess SA id

197019102

FIDE id

Date of birth

1997-10-15 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1482.4	1477.9	1411	1410.3
Raw rating	1482.4	1477.9	1411	1409.5
Weighted rating	1465.4	1467.9	1411	1410.3
Weighted performance	0	0	0	0
Floor	982.4	977.9	911	911
K-factor	32	32	32	32
Min/Max rating change allowed	110.9	111.6	122.8	123
Highest rating	1765.7 2024-11-01	1760.7 2024-11-01	1411 2019-03-01	1411 2019-03-01
Highest raw rating	1482.4 2025-08-01	1477.9 2024-11-01	1411 2024-02-01	1411 2024-02-01
Highest weighted rating	1448.8 2025-08-01	1454.5 2025-08-01	1411 2019-03-01	1411 2019-03-01
Highest weighted performance	1765.7 2024-11-01	1760.7 2024-11-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.1
New rating	1482.4	1477.9	1411	1410.3
Analysis
Rating	1482.4	1477.9	1411	1410.3
Raw rating	1482.4	1477.9	1411	1409.5
Weighted rating	1465.4	1467.9	1411
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	982.4	977.9	911	911
Max/Min rating change allowed	110.9	111.6	122.8	123
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	1482.4	1477.9	1411	1409.5
New weighted rating	1467.9	1469.9	1411	1410.3
New weighted performance	0	0	0	0
Temp new rating	1482.4	1477.9	1411	1410.3
Temp new rating +/-	0	0	0	-0.1
Final new rating +/-	0	0	0	-0.1
New rating	1482.4	1477.9	1411	1410.3
New K-factor	32	32	32	32
New floor	982.4	977.9	911	911

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	9	0	0	9
	5	5	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	289	275	5	9

Games since
	Main 14	Standard 5		Rapid 0		Blitz 9
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	9	5	55.56	47.2	1676.9	1724.1
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1676.9	1724.1
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	9.5	67.86	151.8	1591.5	1743.3
Standard	5	4.5	90	340	1437.9	1777.9
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1676.9	1724.1

Date	Main	Standard	Rapid	Blitz
2026-01-01	1482.4	1477.9	1411	1409.5
2025-11-30	1482.4	1477.9	1411	1409.5
2025-11-01	1482.4	1477.9	1411	1409.5
2025-09-30	1482.4	1477.9	1411	1409.5
2025-09-01	1482.4	1477.9	1411	1409.5
2025-08-01	1482.4	1477.9	1411	1409.5
2025-07-01	1467.3	1477.9	1411	1411
2025-06-01	1467.3	1477.9	1411	1411
2025-05-01	1467.3	1477.9	1411	1411
2025-04-01	1467.3	1477.9	1411	1411
2025-03-01	1467.3	1477.9	1411	1411
2025-02-01	1467.3	1477.9	1411	1411
2025-01-01	1467.3	1477.9	1411	1411
2024-12-01	1467.3	1477.9	1411	1411
2024-11-01	1467.3	1477.9	1411	1411
2024-10-01	1411	1411	1411	1411
2024-09-01	1411	1411	1411	1411
2024-11-01	1411	1411	1411	1411
2024-07-01	1411	1411	1411	1411
2024-06-01	1411	1411	1411	1411
2024-05-01	1411	1411	1411	1411
2024-04-01	1411	1411	1411	1411
2024-03-01	1411	1411	1411	1411
2024-02-01	1411	1411	1411	1411

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	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
2	2024 Tshwane Chess Club Clash (Open)	2024-10-12	2024-10-12	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 6	type Blitz	result 1
		Opponent Magobongo, E (Emihle)				Opponent Mahomole, MJ (Mahlodi Johannes)
2	5	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 1	type Standard	result 1	date 2024-10-12	rnd 5	type Standard	result 1
		Opponent Chen, X (Xi)				Opponent Machet, J (Jordan)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent Changara, A (Adrian Tafara)				Opponent Changara, A (Adrian Tafara)

#	Games	Start				End
1	5	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 1	type Standard	result 1	date 2024-10-12	rnd 5	type Standard	result 1
		Opponent Chen, X (Xi)				Opponent Machet, J (Jordan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 6	type Blitz	result 1
		Opponent Magobongo, E (Emihle)				Opponent Mahomole, MJ (Mahlodi Johannes)
2	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent Changara, A (Adrian Tafara)				Opponent Changara, A (Adrian Tafara)

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent Magobongo, E (Emihle)				Opponent Mini, S (Siboniso)
2	2	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 4	type Standard	result 1	date 2024-10-12	rnd 5	type Standard	result 1
		Opponent Martynov, A (Alexey)				Opponent Machet, J (Jordan)
3	2	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 1	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 1
		Opponent Chen, X (Xi)				Opponent Goncalves, A (Adriano)

#	Games	Start				End
1	2	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 4	type Standard	result 1	date 2024-10-12	rnd 5	type Standard	result 1
		Opponent Martynov, A (Alexey)				Opponent Machet, J (Jordan)
2	2	Tournament 2024 Tshwane Chess Club Clash				Tournament 2024 Tshwane Chess Club Clash
		date 2024-10-12	rnd 1	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 1
		Opponent Chen, X (Xi)				Opponent Goncalves, A (Adriano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent Magobongo, E (Emihle)				Opponent Mini, S (Siboniso)
2	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent Changara, A (Adrian Tafara)				Opponent Changara, A (Adrian Tafara)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 6	type Blitz	result 1	date 2025-07-02	rnd 6	type Blitz	result 1
		Opponent Mahomole, MJ (Mahlodi Johannes)				Opponent Mahomole, MJ (Mahlodi Johannes)

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	Machet ,J (Jordan)	2	1.5	212.5	1	1	425	0	0	0	1	0.5	0
1	Machet ,J (Jordan)	2	1580.2	1792.7	1	1365.8	2005.2	0	0	0	1	1250.6	1580.2
2	Gondwe ,P (Prosper)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Gondwe ,P (Prosper)	1	1617.3	1617.3	1	1609.5	1617.3	0	0	0	0	0	0
3	Chen ,X (Xi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Chen ,X (Xi)	1	1308.3	1733.3	1	1306.4	1733.3	0	0	0	0	0	0
4	Goncalves ,A (Adriano)	1	1	425	1	1	425	0	0	0	0	0	0
4	Goncalves ,A (Adriano)	1	1374	1799	1	1375	1799	0	0	0	0	0	0
5	Martynov ,A (Alexey)	1	1	425	1	1	425	0	0	0	0	0	0
5	Martynov ,A (Alexey)	1	1476.1	1901.1	1	1507.5	1901.1	0	0	0	0	0	0
6	Ndlovu ,B (Bongani)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Ndlovu ,B (Bongani)	1	1843.3	1418.3	0	0	0	0	0	0	1	1297.9	1418.3
7	Kula ,VJ (Vuyani Julius)	1	0.5	0	0	0	0	0	0	0	1	0.5	0
7	Kula ,VJ (Vuyani Julius)	1	1743.5	1743.5	0	0	0	0	0	0	1	1265.7	1743.5
8	Magobongo ,E (Emihle)	1	1	425	0	0	0	0	0	0	1	1	425
8	Magobongo ,E (Emihle)	1	1251.1	1676.1	0	0	0	0	0	0	1	1200	1676.1
9	Mini ,S (Siboniso)	1	1	425	0	0	0	0	0	0	1	1	425
9	Mini ,S (Siboniso)	1	1641.2	2066.2	0	0	0	0	0	0	1	1293	2066.2
10	Kalimashe ,T (Tshireletso)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Kalimashe ,T (Tshireletso)	1	1778.3	1353.3	0	0	0	0	0	0	1	1287.6	1353.3

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Macdonald, D (Devon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms