Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fortuin, J (Jemaine)

Chess SA id

1060118481

FIDE id

Date of birth

2006-09-08 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1358	1210.5	1491.4	1200
Raw rating	1358	1210.5	1491.4	1200
Weighted rating	1320.3	1210.5	1459.3	1200
Weighted performance	1057.3	699.8	1131.9	0
Floor	877	786.1	991.4	700
K-factor	36	36	32	36
Min/Max rating change allowed	132.4	163.4	109.5	165.8
Highest rating	1443.6 2022-04-01	1286.1 2022-04-01	1491.4 2025-09-30	1200 2018-10-01
Highest raw rating	1377 2022-05-01	1286.1 2022-04-01	1491.4 2025-09-30	1200 2024-02-01
Highest weighted rating	1377 2025-02-01	1286.1 2022-05-01	1456.3 2025-09-30	1200 2018-10-01
Highest weighted performance	1443.6 2022-04-01	1235.5 2022-08-01	1469 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1358	1210.5	1491.4	1200
Analysis
Rating	1358	1210.5	1491.4	1200
Raw rating	1358	1210.5	1491.4	1200
Weighted rating	1320.3	1210.5	1459.3
Weighted performance	1057.3	699.8	1131.9
K-factor	36	36	32	36
Floor	877	786.1	991.4	700
Max/Min rating change allowed	132.4	163.4	109.5	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	1358	1210.5	1491.4	1200
New weighted rating	1323.6	1210.5	1462.1	1200
New weighted performance	1049.2	692.8	1122.9	0
Temp new rating	1358	1210.5	1491.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1358	1210.5	1491.4	1200
New K-factor	36	36	32	36
New floor	877	786.1	991.4	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	5	0	5
	35	20	15
	15	10	5
History	92	55	37

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	Overberg (WOS)
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	6	5	83.33	283.3	1356.9	1640.2
Standard	0	0	0	0	0	0
Rapid	6	5	83.33	283.3	1356.9	1640.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	92	57	61.96	101.6	1229.5	1331.2
Standard	55	29	52.73	23.2	1215	1238.2
Rapid	37	28	75.68	218.2	1251.1	1469.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1358	1210.5	1491.4	1200
2025-09-30	1358	1210.5	1491.4	1200
2025-09-01	1313.3	1210.5	1453.3	1200
2025-08-01	1313.3	1210.5	1453.3	1200
2025-07-01	1313.3	1210.5	1453.3	1200
2025-06-01	1313.3	1210.5	1453.3	1200
2025-05-01	1313.3	1210.5	1453.3	1200
2025-04-01	1313.3	1210.5	1453.3	1200
2025-03-01	1313.3	1210.5	1453.3	1200
2025-02-01	1313.3	1210.5	1453.3	1200
2025-01-01	1313.3	1210.5	1453.3	1200
2024-12-01	1313.3	1210.5	1453.3	1200
2024-11-01	1313.3	1210.5	1453.3	1200
2024-10-01	1313.3	1210.5	1453.3	1200
2024-09-01	1313.3	1210.5	1453.3	1200
2024-08-01	1313.3	1210.5	1453.3	1200
2024-07-01	1313.3	1210.5	1453.3	1200
2024-09-01	1313.3	1210.5	1453.3	1200
2024-05-01	1313.3	1210.5	1453.3	1200
2024-04-01	1313.3	1210.5	1453.3	1200
2024-03-01	1313.3	1210.5	1453.3	1200
2024-02-01	1313.3	1210.5	1453.3	1200
2024-01-01	1313.3	1210.5	1453.3	1200
2023-12-01	1313.3	1210.5	1453.3	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	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	5	Yes	Analysis
2	Langeberg Schools Chess Trials 2023 (U17 Boys+Girls)	2023-02-11	2023-02-11	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
3	Western Cape Top Schools 2022 (U18 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
4	Overberg Topskole 2022 (O18)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
5	Western Cape Schools Chess 2022 (U18 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
6	McGregor Chess Freedom Day Rapid 2022 (U15+U18)	2022-04-27	2022-04-27	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
7	McGregor Kings Chess Festival 2022 (U15+U18)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
8	Western Cape Inter Region Cup 2021 (Junior)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
9	Lanfeberg Schools Chess Trials 2022 (U18)	2022-02-26	2022-02-26	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Overberg Schools Trials 2021 (U15+U18 Boys)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis
11	OCF Club Champs 2021 (Seniors)	2021-06-05	2021-08-14	Standard	Overberg (WOS)	10	10	7	Yes	Analysis
12	OCF Roadshow 2020 (Seniors)	2020-11-21	2020-11-21	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
13	Overberg Closed 2020 (U15 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
14	OCF Chess Tournament 2 2020 (Open)	2020-02-01	2020-02-01	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
15	Cape Winelands Schools Trials 1 2020 (U15 Boys)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
16	2019 Western Cape Club Championship (C)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
17	Bontebok 2019 (U14)	2019-09-17	2019-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	10	Tournament McGregor Kings Chess Festival 2022				Tournament McGregor Chess Freedom Day Rapid 2022
		date 2022-04-09	rnd 1	type Rapid	result 1	date 2022-04-27	rnd 5	type Rapid	result 1
		Opponent Chamba, R (Ruvarashe Sharon)				Opponent Snyman, C (Cradwin)
2	5	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 2	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Gaza, O (Obert)				Opponent Erasmus, A (Ashton)
3	5	Tournament Bontebok 2019				Tournament 2019 Western Cape Club Championship
		date 2019-09-17	rnd 4	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Agus, Q (Quinzino)				Opponent Bekker, A (Angelica)

#	Games	Start				End
1	5	Tournament Bontebok 2019				Tournament 2019 Western Cape Club Championship
		date 2019-09-17	rnd 4	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Agus, Q (Quinzino)				Opponent Bekker, A (Angelica)
2	4	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-08-30	rnd 5	type Standard	result 1
		Opponent Van Wyk, L (Loreal)				Opponent Bester, E (Emma)
3	4	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-06-05	rnd 5	type Standard	result 1	date 2021-08-14	rnd 8	type Standard	result 1
		Opponent Simamkele, S (Sokhasie)				Opponent Cookson, J (Jaydon)

#	Games	Start				End
1	13	Tournament McGregor Kings Chess Festival 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-04-09	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Chamba, R (Ruvarashe Sharon)				Opponent Goeieman, J (Jody-Anne)
2	5	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 2	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Gaza, O (Obert)				Opponent Erasmus, A (Ashton)
3	4	Tournament Cape Winelands Schools Trials 1 2020				Tournament Overberg Schools Trials 2021
		date 2020-02-15	rnd 6	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 0.5
		Opponent Botha, M (Marnus)				Opponent Pekeur, W (Warren)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament McGregor Kings Chess Festival 2022				Tournament McGregor Chess Freedom Day Rapid 2022
		date 2022-04-09	rnd 1	type Rapid	result 1	date 2022-04-27	rnd 5	type Rapid	result 1
		Opponent Chamba, R (Ruvarashe Sharon)				Opponent Snyman, C (Cradwin)
2	5	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 2	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Gaza, O (Obert)				Opponent Erasmus, A (Ashton)
3	5	Tournament Bontebok 2019				Tournament 2019 Western Cape Club Championship
		date 2019-09-17	rnd 4	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Agus, Q (Quinzino)				Opponent Bekker, A (Angelica)

#	Games	Start				End
1	5	Tournament Bontebok 2019				Tournament 2019 Western Cape Club Championship
		date 2019-09-17	rnd 4	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Agus, Q (Quinzino)				Opponent Bekker, A (Angelica)
2	4	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-08-30	rnd 5	type Standard	result 1
		Opponent Van Wyk, L (Loreal)				Opponent Bester, E (Emma)
3	4	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-06-05	rnd 5	type Standard	result 1	date 2021-08-14	rnd 8	type Standard	result 1
		Opponent Simamkele, S (Sokhasie)				Opponent Cookson, J (Jaydon)

#	Games	Start				End
1	13	Tournament McGregor Kings Chess Festival 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-04-09	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Chamba, R (Ruvarashe Sharon)				Opponent Goeieman, J (Jody-Anne)
2	5	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 2	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Gaza, O (Obert)				Opponent Erasmus, A (Ashton)
3	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Overberg Schools Trials 2021
		date 2020-02-15	rnd 6	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Botha, M (Marnus)				Opponent Braaf, T (Tyrique)

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	Pekeur ,W (Warren)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
1	Pekeur ,W (Warren)	3	1199.1	1199.1	2	1207.4	1199.1	1	1246.4	1199.1	0	0	0
2	De Koker ,D (Dillan)	3	3	425	0	0	0	3	3	425	0	0	0
2	De Koker ,D (Dillan)	3	1137.8	1562.8	0	0	0	3	1174.9	1562.8	0	0	0
3	Cookson ,J (Jaydon)	2	1	0	2	1	0	0	0	0	0	0	0
3	Cookson ,J (Jaydon)	2	1371.2	1371.2	2	1370.9	1371.2	0	0	0	0	0	0
4	Brink ,M (Martin)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Brink ,M (Martin)	2	1360	935	2	1374.2	935	0	0	0	0	0	0
5	Harmse ,J (Jacques)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Harmse ,J (Jacques)	2	1278.5	853.5	2	1275.2	853.5	0	0	0	0	0	0
6	Booi ,O (Ocean)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Booi ,O (Ocean)	2	1380.2	955.2	2	1383.1	955.2	0	0	0	0	0	0
7	Blauw ,S (Siyamthanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Blauw ,S (Siyamthanda)	1	1468.6	1043.6	1	1435.5	1043.6	0	0	0	0	0	0
8	Joshua ,M (Madden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Joshua ,M (Madden)	1	1263.3	838.3	1	1256.5	838.3	0	0	0	0	0	0
9	Carrolissen ,D (David)	1	1	425	1	1	425	0	0	0	0	0	0
9	Carrolissen ,D (David)	1	1195.4	1620.4	1	1192	1620.4	0	0	0	0	0	0
10	Storey ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Storey ,L (Liam)	1	1251.8	826.8	1	1199.2	826.8	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

Fortuin, J (Jemaine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms