Chess South Africa Ratings Database

PLAYER PAGE

Personal

Macdonald, I (Ian)

Chess SA id

109066921

FIDE id

Date of birth

2009-01-12 (U18)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1436.3	1459.7	772.2	798.6
Raw rating	1436.3	1459.7	772.2	798.6
Weighted rating	1407.3	1426.9	772.2	798.6
Weighted performance	1230.5	1234	0	0
Floor	936.3	959.7	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	118.4	114.5	305	293.8
Highest rating	1436.3 2025-06-01	1459.7 2025-06-01	1200 2024-02-01	1200 2024-11-01
Highest raw rating	1436.3 2025-06-01	1459.7 2025-06-01	772.2 2024-02-01	798.6 2024-02-01
Highest weighted rating	1399.1 2025-08-01	1417.4 2025-08-01	772.2 2024-11-01	798.6 2024-11-01
Highest weighted performance	1323 2019-07-01	1318.6 2019-07-01	1200 2024-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1436.3	1459.7	772.2	798.6
Analysis
Rating	1436.3	1459.7	772.2	798.6
Raw rating	1436.3	1459.7	772.2	798.6
Weighted rating	1407.3	1426.9	772.2
Weighted performance	1230.5	1234	0
K-factor	32	32	40	40
Floor	936.3	959.7	500	500
Max/Min rating change allowed	118.4	114.5	305	293.8
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	1436.3	1459.7	772.2	798.6
New weighted rating	1411	1431.1	772.2	798.6
New weighted performance	1230	1233.4	0	0
Temp new rating	1436.3	1459.7	772.2	798.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1436.3	1459.7	772.2	798.6
New K-factor	32	32	40	40
New floor	936.3	959.7	500	500

Item	Main	Standard	Blitz
	0	0	0
	5	5	0
	5	5	0
	5	5	0
	10	10	0
	5	5	0
History	244	237	7

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	5	4.5	90	340	1280.4	1620.4
Standard	5	4.5	90	340	1280.4	1620.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	121	76	62.81	108.9	1078.9	1187.7
Standard	114	72	63.16	111.8	1096.8	1208.7
Rapid	0	0	0	0	0	0
Blitz	7	4	57.14	60.7	786.5	847.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1436.3	1459.7	772.2	798.6
2025-09-01	1436.3	1459.7	772.2	798.6
2025-08-01	1436.3	1459.7	772.2	798.6
2025-07-01	1436.3	1459.7	772.2	798.6
2025-06-01	1436.3	1459.7	772.2	798.6
2025-05-01	1403.3	1423	772.2	798.6
2025-04-01	1403.3	1423	772.2	798.6
2025-03-01	1403.3	1423	772.2	798.6
2025-02-01	1403.3	1423	772.2	798.6
2025-01-01	1403.3	1423	772.2	798.6
2024-12-01	1403.3	1423	772.2	798.6
2024-11-01	1403.3	1423	772.2	798.6
2024-10-01	1403.3	1423	772.2	798.6
2024-09-01	1403.3	1423	772.2	798.6
2024-08-01	1403.3	1423	772.2	798.6
2024-07-01	1349.5	1359.3	772.2	798.6
2024-06-01	1349.5	1359.3	772.2	798.6
2024-08-01	1349.5	1359.3	772.2	798.6
2024-04-01	1349.5	1359.3	772.2	798.6
2024-03-01	1349.5	1359.3	772.2	798.6
2024-02-01	1349.5	1359.3	772.2	798.6
2024-01-01	1349.5	1359.3	772.2	798.6
2023-12-01	1349.5	1359.3	772.2	798.6
2023-11-01	1349.5	1359.3	772.2	798.6

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	Curro Open Chess Tournament 2025 (U20)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Open Chess Tournament 2025 (U20)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
2	2024 Chess Unlimited Invitational (Section 4)	2024-07-06	2024-07-06	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
3	Penryn Chess Tournament 2023 (U16)	2023-02-11	2023-02-11	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	White River Primary 2022 (U14)	2022-07-30	2022-07-30	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
5	Uplands Chess Tournament 2022 (U14)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
6	Chess Unlimited 1 2021 (U14)	2021-10-23	2021-10-23	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
7	Chess Unlimited Leap Year Tournament 2020 (A)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	3	1	Yes	Analysis
8	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
9	Ehlanzeni Open 2019 (C)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis
10	De Goede Top 10 2019 (U12)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
11	Barberton Primary 2019 (U12)	2019-07-27	2019-07-27	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
12	Rob Ferreira 2019 (B)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
13	Penryn Age Open 2019 (U12)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
14	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
15	De Goede Top 20 Closed 2018 (U10 Open)	2018-08-18	2018-08-18	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
16	Malelane Primary 2018 (U10 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
17	Lowveld Open 2018 (B)	2018-07-28	2018-07-28	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis
18	Curro Age Open 2018 (U8+U10 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
19	Penryn Age Open 2018 (U8+U10)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
20	Uplands College Open (A)	2018-03-03	2018-03-03	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
21	Rob Ferreira Hoerskool Open 2018 (A)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	1	0	Yes	Analysis
22	Rob Ferreira Hoerskool Open 2018 (B)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
23	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	4	Yes	Analysis
24	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament Chess Unlimited 1 2021				Tournament Uplands Chess Tournament 2022
		date 2021-10-23	rnd 1	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Zulu, V (Verna)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)
2	8	Tournament South African Junior Team Championships 2018				Tournament Rob Ferreira 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-04-06	rnd 1	type Standard	result 0.5
		Opponent Mabuza, N (Ndumiso)				Opponent Muller, J (Jessica)
3	7	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Loock, S (Schalk)				Opponent Matthee, A (Alex)

#	Games	Start				End
1	9	Tournament Chess Unlimited 1 2021				Tournament Uplands Chess Tournament 2022
		date 2021-10-23	rnd 1	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Zulu, V (Verna)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)
2	8	Tournament South African Junior Team Championships 2018				Tournament Rob Ferreira 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-04-06	rnd 1	type Standard	result 0.5
		Opponent Mabuza, N (Ndumiso)				Opponent Muller, J (Jessica)
3	7	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Loock, S (Schalk)				Opponent Matthee, A (Alex)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-07	rnd 6	type Blitz	result 1
		Opponent Losper, S (Simone)				Opponent Masemola, S (Steven)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Meyer, J (Jordan)				Opponent Meyer, J (Jordan)

#	Games	Start				End
1	9	Tournament Chess Unlimited 1 2021				Tournament Uplands Chess Tournament 2022
		date 2021-10-23	rnd 1	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Zulu, V (Verna)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)
2	7	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Loock, S (Schalk)				Opponent Matthee, A (Alex)
3	5	Tournament South African Junior Team Championships 2018				Tournament Penryn Age Open 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Mabuza, N (Ndumiso)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)

#	Games	Start				End
1	9	Tournament Chess Unlimited 1 2021				Tournament Uplands Chess Tournament 2022
		date 2021-10-23	rnd 1	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Zulu, V (Verna)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)
2	7	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Loock, S (Schalk)				Opponent Matthee, A (Alex)
3	5	Tournament South African Junior Team Championships 2018				Tournament Penryn Age Open 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Mabuza, N (Ndumiso)				Opponent Ogunjiofor, CJ (Chinedu Jeremy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-07	rnd 6	type Blitz	result 1
		Opponent Losper, S (Simone)				Opponent Masemola, S (Steven)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Meyer, J (Jordan)				Opponent Meyer, J (Jordan)

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	Grobler ,Z (Zander)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
1	Grobler ,Z (Zander)	6	1135.3	1418.6	6	1137.2	1418.6	0	0	0	0	0	0
2	Ogunjiofor ,CJ (Chinedu Jeremy)	6	3	0	6	3	0	0	0	0	0	0	0
2	Ogunjiofor ,CJ (Chinedu Jeremy)	6	1246.6	1246.6	6	1243	1246.6	0	0	0	0	0	0
3	Naidoo ,J (Jasbir)	4	2	0	4	2	0	0	0	0	0	0	0
3	Naidoo ,J (Jasbir)	4	1034.1	1034.1	4	1038.8	1034.1	0	0	0	0	0	0
4	Van Dyk ,M (Mia)	4	2	0	4	2	0	0	0	0	0	0	0
4	Van Dyk ,M (Mia)	4	1229.8	1229.8	4	1228.9	1229.8	0	0	0	0	0	0
5	Pauer ,M (Mieke)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Pauer ,M (Mieke)	3	1093.3	1376.6	3	1097.1	1376.6	0	0	0	0	0	0
6	Onwusaka ,L (Lucky)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Onwusaka ,L (Lucky)	3	913	771.3	3	915.4	771.3	0	0	0	0	0	0
7	Van Veenhuyzen ,U (Ude)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Veenhuyzen ,U (Ude)	2	621	1045.9	2	643.6	1045.9	0	0	0	0	0	0
8	Nhlabathi ,L (Lesedi)	2	2	425	2	2	425	0	0	0	0	0	0
8	Nhlabathi ,L (Lesedi)	2	1029.4	1454.4	2	1027	1454.4	0	0	0	0	0	0
9	Sankar ,R (Rahil)	2	2	425	2	2	425	0	0	0	0	0	0
9	Sankar ,R (Rahil)	2	1156.8	1581.8	2	1152.6	1581.8	0	0	0	0	0	0
10	Iyman ,J (Jaelene)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Iyman ,J (Jaelene)	2	794.1	369.1	2	794.4	369.1	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

Macdonald, I (Ian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms