Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ohlson, K (Keagon)

Chess SA id

1120325433

FIDE id

Date of birth

2012-09-19 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1196.5	1192.9	1224	1200
Raw rating	1189.6	1154.9	1224	1200
Weighted rating	1196.5	1192.9	1201.9	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	724	700
K-factor	40	40	36	40
Min/Max rating change allowed	168.3	176.8	160.2	165.8
Highest rating	1199.9 2025-08-20	1199.9 2025-08-20	1224 2025-09-30	1199.9 2025-08-20
Highest raw rating	1199.9 2025-08-20	1199.9 2025-08-20	1224 2025-09-30	1199.9 2025-08-20
Highest weighted rating	1199.9 2025-08-20	1199.9 2025-08-20	1201.9 2025-09-30	1199.9 2025-08-20
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-3.3	0	0
New rating	1195.8	1189.6	1224	1200
Analysis
Rating	1196.5	1192.9	1224	1200
Raw rating	1189.6	1154.9	1224	1200
Weighted rating	1196.5	1192.9	1201.9
Weighted performance	0	0	0
K-factor	40	40	36	40
Floor	699.9	699.9	724	700
Max/Min rating change allowed	168.3	176.8	160.2	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	1189.6	1154.9	1224	1200
New weighted rating	1195.8	1189.6	1203.8	1200
New weighted performance	0	0	0	0
Temp new rating	1195.8	1189.6	1224	1200
Temp new rating +/-	-0.7	-3.3	0	0
Final new rating +/-	-0.7	-3.3	0	0
New rating	1195.8	1189.6	1224	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	724	700

Item	Main	Standard	Rapid
	0	0	0
	14	9	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	9	5

Games since
	Main 14	Standard 9		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	14	6	42.86	-60.7	1260.7	1200
Standard	9	3	33.33	-141.7	1237.8	1096.1
Rapid	5	3	60	85	1302	1387
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	6	42.86	-60.7	1260.7	1200
Standard	9	3	33.33	-141.7	1237.8	1096.1
Rapid	5	3	60	85	1302	1387
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1189.6	1154.9	1224	1200
2025-09-01	1164.7	1154.9	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

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	Tsogo Sun Moves For Life Learners Tournament 2025 (U13)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	5	3	Yes	Analysis
2	Eden Top Schools 2025 (U15)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Mossel Bay Top Schools 2025 (U13 Girls + U15 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Tsogo Sun Moves For Life Learners Tournament 2025 (U13)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	5	3	Yes	Analysis
2	Eden Top Schools 2025 (U15)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Mossel Bay Top Schools 2025 (U13 Girls + U15 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 2	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Isaacs, J (Jonathan)				Opponent Du Preez, R (Rumecha)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Griffiths, J (Janine)
3	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Laminie, B (Bevan)				Opponent Laminie, B (Bevan)

#	Games	Start				End
1	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Laminie, B (Bevan)				Opponent Laminie, B (Bevan)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Esau, K (Kirsten)				Opponent Esau, K (Kirsten)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 2	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Isaacs, J (Jonathan)				Opponent Du Preez, R (Rumecha)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Griffiths, J (Janine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 2	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Isaacs, J (Jonathan)				Opponent Du Preez, R (Rumecha)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Griffiths, J (Janine)
3	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Laminie, B (Bevan)				Opponent Laminie, B (Bevan)

#	Games	Start				End
1	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Laminie, B (Bevan)				Opponent Laminie, B (Bevan)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Esau, K (Kirsten)				Opponent Esau, K (Kirsten)

#	Games	Start				End
1	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 2	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Isaacs, J (Jonathan)				Opponent Du Preez, R (Rumecha)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Griffiths, J (Janine)

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	Bam ,C (Cayleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bam ,C (Cayleb)	1	1421.8	996.8	1	1394.5	996.8	0	0	0	0	0	0
2	Koopman ,J (Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Koopman ,J (Juan)	1	1239.8	814.8	1	1244.2	814.8	0	0	0	0	0	0
3	Esau ,K (Kirsten)	1	1	425	1	1	425	0	0	0	0	0	0
3	Esau ,K (Kirsten)	1	1212.7	1637.7	1	1215.7	1637.7	0	0	0	0	0	0
4	Mbiza ,T (Thina)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mbiza ,T (Thina)	1	1209.9	784.9	1	1184.6	784.9	0	0	0	0	0	0
5	Laminie ,B (Bevan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Laminie ,B (Bevan)	1	1172.7	1597.7	1	1166.9	1597.7	0	0	0	0	0	0
6	Jacobs ,J (Jaylynn)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jacobs ,J (Jaylynn)	1	1244.5	819.5	1	1252.8	819.5	0	0	0	0	0	0
7	Imange ,T (Tshintsholo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Imange ,T (Tshintsholo)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Michaels ,K (Kyle)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Michaels ,K (Kyle)	1	1408.9	983.9	0	0	0	1	1200	983.9	0	0	0
9	Isaacs ,J (Jonathan)	1	1	425	0	0	0	1	1	425	0	0	0
9	Isaacs ,J (Jonathan)	1	1207.2	1632.2	0	0	0	1	1238.2	1632.2	0	0	0
10	Griffiths ,J (Janine)	1	1	425	0	0	0	1	1	425	0	0	0
10	Griffiths ,J (Janine)	1	1276.6	1701.6	0	0	0	1	1186.8	1701.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Ohlson, K (Keagon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms