Chess South Africa Ratings Database

PLAYER PAGE

Personal

Isaacs, K (Kallum)

Chess SA id

1070096268

FIDE id

Date of birth

2007-06-28 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1179.7	1191.2	1155	1200
Raw rating	1179.7	1191.2	1155	1200
Weighted rating	1179.7	1191.2	1155	1200
Weighted performance	447.1	0	0	0
Floor	710.6	700	757.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.7	167.9	176.8	165.8
Highest rating	1256.8 2019-02-01	1200 2018-02-01	1630.5 2019-02-01	1201.2 2018-02-01
Highest raw rating	1210.6 2019-03-01	1200 2018-02-01	1257.6 2019-03-01	1200 2024-02-01
Highest weighted rating	1210.6 2018-02-01	1200 2018-02-01	1257.6 2019-07-01	1200 2018-10-01
Highest weighted performance	1256.8 2019-02-01	1200 2018-02-01	1630.5 2019-02-01	1201.2 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1179.7	1191.2	1155	1200
Analysis
Rating	1179.7	1191.2	1155	1200
Raw rating	1179.7	1191.2	1155	1200
Weighted rating	1179.7	1191.2	1155
Weighted performance	447.1	0	0
K-factor	36	36	36	36
Floor	710.6	700	757.6	700
Max/Min rating change allowed	170.7	167.9	176.8	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	1179.7	1191.2	1155	1200
New weighted rating	1179.7	1191.2	1155	1200
New weighted performance	446.7	0	0	0
Temp new rating	1179.7	1191.2	1155	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1179.7	1191.2	1155	1200
New K-factor	36	36	36	36
New floor	710.6	700	757.6	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	5	0	5	0
	0	0	0	0
History	34	10	22	2

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
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	34	15	44.12	-50	1216.7	1166.7
Standard	10	5	50	0	1174.3	1174.3
Rapid	22	9	40.91	-77.3	1237.4	1160.1
Blitz	2	1	50	0	1200	1200

Date	Main	Standard	Rapid	Blitz
2025-09-30	1179.7	1191.2	1155	1200
2025-09-01	1179.7	1191.2	1155	1200
2025-08-01	1179.7	1191.2	1155	1200
2025-07-01	1179.7	1191.2	1155	1200
2025-06-01	1179.7	1191.2	1155	1200
2025-05-01	1179.7	1191.2	1155	1200
2025-04-01	1179.7	1191.2	1155	1200
2025-03-01	1179.7	1191.2	1155	1200
2025-02-01	1179.7	1191.2	1155	1200
2025-01-01	1179.7	1191.2	1155	1200
2024-12-01	1179.7	1191.2	1155	1200
2024-11-01	1179.7	1191.2	1155	1200
2024-10-01	1179.7	1191.2	1155	1200
2024-09-01	1179.7	1191.2	1155	1200
2024-08-01	1179.7	1191.2	1155	1200
2024-07-01	1179.7	1191.2	1155	1200
2024-06-01	1179.7	1191.2	1155	1200
2024-08-01	1179.7	1191.2	1155	1200
2024-04-01	1179.7	1191.2	1155	1200
2024-03-01	1179.7	1191.2	1155	1200
2024-02-01	1179.7	1191.2	1155	1200
2024-01-01	1179.7	1191.2	1155	1200
2023-12-01	1179.7	1191.2	1155	1200
2023-11-01	1179.7	1191.2	1155	1200

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	West Coast Schools Chess Grand Challenge 2022 (HS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
2	West Coast Schools Prestige 2020 (U13 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
3	Onder Weskus Prestige 2020 (U13 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
4	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Weskus Topskole 2019 (U13)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
6	Onder-Weskus Skole Proewe 2019 (O13 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	7	3	3	Yes	Analysis
7	Western Cape Top Schools 2018 (U11 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1.5	Yes	Analysis
8	Mykonos Blitz U8 (U10+U12)	2018-02-04	2018-02-04	Blitz	West Coast (WCU)	5	2	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Back to School Rapid 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-01	rnd 4	type Rapid	result 0.5	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Nkosi, S (Sbulela)				Opponent Moodley, K (Kershan)
2	5	Tournament Western Cape Top Schools 2018				Tournament Onder-Weskus Skole Proewe 2019
		date 2018-08-25	rnd 3	type Standard	result 0.5	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Pretorius, I (Ieuan)				Opponent Loubser, F (Fa-Eeq)
3	1	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Dee, M (Miceala)				Opponent Dee, M (Miceala)

#	Games	Start				End
1	5	Tournament Western Cape Top Schools 2018				Tournament Onder Weskus Prestige 2020
		date 2018-08-25	rnd 3	type Standard	result 0.5	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Pretorius, I (Ieuan)				Opponent Moodley, K (Kershan)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Maarman, C (Christiano)				Opponent Maarman, C (Christiano)

#	Games	Start				End
1	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Johannes, G (Geneco)				Opponent Loubser, F (Fa-Eeq)
2	2	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 4	type Rapid	result 0.5	date 2020-02-01	rnd 5	type Rapid	result 0.5
		Opponent Nkosi, S (Sbulela)				Opponent Mabaso, S (Sicelo)
3	1	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Dee, M (Miceala)				Opponent Dee, M (Miceala)

#	Games	Start				End
1	1	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 2	type Blitz	result 1	date 2018-02-04	rnd 2	type Blitz	result 1
		Opponent Vermeulen, E (Enrique)				Opponent Vermeulen, E (Enrique)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2018				Tournament Onder-Weskus Skole Proewe 2019
		date 2018-08-26	rnd 5	type Standard	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Snyman, CS (Carel)				Opponent Loubser, F (Fa-Eeq)
2	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Paulse, J (Jayron)				Opponent Moodley, K (Kershan)
3	1	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Dee, M (Miceala)				Opponent Dee, M (Miceala)

#	Games	Start				End
1	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Paulse, J (Jayron)				Opponent Moodley, K (Kershan)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Maarman, C (Christiano)				Opponent Maarman, C (Christiano)
3	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-26	rnd 5	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Snyman, CS (Carel)				Opponent Snyman, CS (Carel)

#	Games	Start				End
1	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Johannes, G (Geneco)				Opponent Loubser, F (Fa-Eeq)
2	1	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Dee, M (Miceala)				Opponent Dee, M (Miceala)
3	1	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-10-29	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Maarman, E (Elverno)				Opponent Maarman, E (Elverno)

#	Games	Start				End
1	1	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 2	type Blitz	result 1	date 2018-02-04	rnd 2	type Blitz	result 1
		Opponent Vermeulen, E (Enrique)				Opponent Vermeulen, E (Enrique)

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	Lewaks ,S (Shaundre)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Lewaks ,S (Shaundre)	2	1443.9	1018.9	0	0	0	2	1324.7	1018.9	0	0	0
2	Du Plessis ,S (Stefan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plessis ,S (Stefan)	1	1161.3	736.3	1	1043.6	736.3	0	0	0	0	0	0
3	Paulse ,J (Jayron)	1	1	425	1	1	425	0	0	0	0	0	0
3	Paulse ,J (Jayron)	1	1200.8	1625.8	1	1220	1625.8	0	0	0	0	0	0
4	Mitchells ,C (Chris-Zane)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mitchells ,C (Chris-Zane)	1	1176.5	751.5	1	1179.2	751.5	0	0	0	0	0	0
5	Klaase ,P (Pharell)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Klaase ,P (Pharell)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Wolmarans ,A (Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Wolmarans ,A (Aiden)	1	1190.4	765.4	1	1179.8	765.4	0	0	0	0	0	0
7	Snyman ,CS (Carel Sebastian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Snyman ,CS (Carel Sebastian)	1	1231.2	1656.2	1	1235.6	1656.2	0	0	0	0	0	0
8	Fillis ,J (Jordan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Fillis ,J (Jordan)	1	1385.8	960.8	0	0	0	1	857.2	960.8	0	0	0
9	Nkosi ,S (Sbulela)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Nkosi ,S (Sbulela)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Maroem ,D (Dyran)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Maroem ,D (Dyran)	1	1114.6	689.6	0	0	0	1	1118.4	689.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Isaacs, K (Kallum)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms