Chess South Africa Ratings Database

PLAYER PAGE

Personal

Witthuhn, J (Jan Ayden)

Chess SA id

1080098163

FIDE id

Date of birth

2008-03-04 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1100.7	1073.1	1196.7	1200
Raw rating	1037.2	1002.2	1196.7	1200
Weighted rating	1100.7	1073.1	1196.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	209.1	219.8	166.6	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200.8 2018-03-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200.8 2018-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-5.2	-5.7	0	0
New rating	1095.5	1067.4	1196.7	1200
Analysis
Rating	1100.7	1073.1	1196.7	1200
Raw rating	1037.2	1002.2	1196.7	1200
Weighted rating	1100.7	1073.1	1196.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	209.1	219.8	166.6	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	1037.2	1002.2	1196.7	1200
New weighted rating	1095.5	1067.4	1196.6	1200
New weighted performance	0	0	0	0
Temp new rating	1095.5	1067.4	1196.7	1200
Temp new rating +/-	-5.2	-5.7	0	0
Final new rating +/-	-5.2	-5.7	0	0
New rating	1095.5	1067.4	1196.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	6	6	0	0
	4	4	0	0
	4	0	4	0
	0	0	0	0
	0	0	0	0
History	22	14	4	4

Games since
	Main 14	Standard 10		Rapid 4		Blitz 0
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
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	6	0	0	-425	1203.6	778.6
Standard	6	0	0	-425	1203.6	778.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	6	27.27	-193.2	1116.7	923.5
Standard	14	2	14.29	-303.6	1077	773.4
Rapid	4	2	50	0	1172.2	1172.2
Blitz	4	2	50	0	1200	1200

Date	Main	Standard	Rapid	Blitz
2025-09-30	1037.2	1002.2	1196.7	1200
2025-09-01	1106.5	1080	1196.7	1200
2025-08-01	1106.5	1080	1196.7	1200
2025-07-01	1106.5	1080	1196.7	1200
2025-06-01	1106.5	1080	1196.7	1200
2025-05-01	1106.5	1080	1196.7	1200
2025-04-01	1106.5	1080	1196.7	1200
2025-03-01	1106.5	1080	1196.7	1200
2025-02-01	1106.5	1080	1196.7	1200
2025-01-01	1106.5	1080	1196.4	1200
2024-12-01	1106.5	1080	1196.4	1200
2024-11-01	1106.5	1080	1196.4	1200
2024-10-01	1106.5	1080	1196.4	1200
2024-09-01	1106.5	1080	1196.4	1200
2024-08-01	1106.5	1080	1196.4	1200
2024-07-01	1106.5	1080	1196.4	1200
2024-06-01	1106.5	1080	1196.4	1200
2024-08-01	1106.5	1080	1196.4	1200
2024-04-01	1106.5	1080	1196.4	1200
2024-03-01	1106.5	1080	1196.4	1200
2024-02-01	1098.7	1059.2	1196.4	1200
2024-01-01	1098.7	1059.2	1196.4	1200
2023-12-01	1098.7	1059.2	1196.4	1200
2023-11-01	1098.7	1059.2	1196.4	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	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	6	0	Yes	Analysis
2	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	6	0	Yes	Analysis
2	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	0	0	No	Analysis
3	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
4	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
5	Mangaung Metro Chess 20-21 April 2018 (E)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
6	Smart Chess Blitz 2018 (U12)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Grey College Team Championship 2024
		date 2023-10-27	rnd 4	type Rapid	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Nthapo, R (Relebohile)				Opponent Rametsi, O (Oarabile)
2	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 6	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Khoaele, T (Thuto)				Opponent November, A (Ayahluma)
3	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Cara)				Opponent Schoeman, C (Cara)

#	Games	Start				End
1	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Cara)				Opponent Schoeman, C (Cara)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Rametsi, O (Oarabile)

#	Games	Start				End
1	2	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-27	rnd 4	type Rapid	result 1	date 2023-10-27	rnd 5	type Rapid	result 1
		Opponent Nthapo, R (Relebohile)				Opponent Beelders, K (Kyra)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 6	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Khoaele, T (Thuto)				Opponent November, A (Ayahluma)

#	Games	Start				End
1	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Grey College Team Championship 2024
		date 2023-10-27	rnd 4	type Rapid	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Nthapo, R (Relebohile)				Opponent Rametsi, O (Oarabile)
2	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 6	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Khoaele, T (Thuto)				Opponent November, A (Ayahluma)
3	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Cara)				Opponent Schoeman, C (Cara)

#	Games	Start				End
1	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Cara)				Opponent Schoeman, C (Cara)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Rametsi, O (Oarabile)

#	Games	Start				End
1	2	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-27	rnd 4	type Rapid	result 1	date 2023-10-27	rnd 5	type Rapid	result 1
		Opponent Nthapo, R (Relebohile)				Opponent Beelders, K (Kyra)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 6	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Khoaele, T (Thuto)				Opponent November, A (Ayahluma)

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	Beelders ,K (Kyra)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Beelders ,K (Kyra)	2	962.3	962.3	1	561.2	537.3	1	1285.8	1387.3	0	0	0
2	Else ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Else ,R (Ryan)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Senoski ,J (Jonathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Senoski ,J (Jonathan)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Pretorius ,C (Chad)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pretorius ,C (Chad)	1	1192.5	767.5	1	1200	767.5	0	0	0	0	0	0
5	Phalole ,R (Reatile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Phalole ,R (Reatile)	1	1052.6	627.6	1	1074.3	627.6	0	0	0	0	0	0
6	Geyser ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Geyser ,H (Heinrich)	1	737.3	312.3	1	574.2	312.3	0	0	0	0	0	0
7	Brown ,C (Connor)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Brown ,C (Connor)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Codron ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Codron ,J (Jesse)	1	550.4	125.4	1	560	125.4	0	0	0	0	0	0
9	Chen ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Chen ,E (Emily)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Leeuw ,O (Otlhe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Leeuw ,O (Otlhe)	1	1200	775	1	1200	775	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

Witthuhn, J (Jan Ayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms