Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Deventer, J (Jan Gerik)

Chess SA id

1100159247

FIDE id

Date of birth

2010-06-30 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1213.5	1218.7	1204	1200
Raw rating	1213.5	1218.7	1203	1200
Weighted rating	1212.8	1217.3	1204	1200
Weighted performance	908.4	0	0	0
Floor	728.4	732.4	710.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.7	161.5	165.1	165.8
Highest rating	1403.7 2023-08-01	1392.5 2023-08-01	1236.1 2024-04-01	1200 2018-10-01
Highest raw rating	1228.4 2023-09-01	1232.4 2024-03-01	1210.4 2024-05-01	1200 2024-03-01
Highest weighted rating	1228.4 2024-07-01	1232.4 2024-07-01	1210.4 2025-02-01	1200 2018-10-01
Highest weighted performance	1403.7 2023-08-01	1392.5 2023-08-01	1236.1 2024-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.2	0
New rating	1213.5	1218.7	1204.2	1200
Analysis
Rating	1213.5	1218.7	1204	1200
Raw rating	1213.5	1218.7	1203	1200
Weighted rating	1212.8	1217.3	1204
Weighted performance	908.4	0	0
K-factor	36	36	36	36
Floor	728.4	732.4	710.4	700
Max/Min rating change allowed	162.7	161.5	165.1	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	1213.5	1218.7	1203	1200
New weighted rating	1212.8	1217.2	1204.2	1200
New weighted performance	902	0	0	0
Temp new rating	1213.5	1218.7	1204.2	1200
Temp new rating +/-	0	0	0.2	0
Final new rating +/-	0	0	0.2	0
New rating	1213.5	1218.7	1204.2	1200
New K-factor	36	36	36	36
New floor	728.4	732.4	710.4	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	9	4	5
	9	4	5
	0	0	0
	0	0	0
History	24	8	16

Games since
	Main 15	Standard 4		Rapid 11		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	2	33.33	-141.7	1156.1	1014.4
Standard	0	0	0	0	0	0
Rapid	6	2	33.33	-141.7	1156.1	1014.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	11	45.83	-35.4	1204.3	1168.9
Standard	8	4	50	0	1245.4	1245.4
Rapid	16	7	43.75	-53.1	1183.8	1130.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1213.5	1218.7	1203	1200
2025-09-30	1213.5	1218.7	1203	1200
2025-09-01	1213.5	1218.7	1203	1200
2025-08-01	1213.5	1218.7	1203	1200
2025-07-01	1213.5	1218.7	1202.7	1200
2025-06-01	1213.5	1218.7	1202.4	1200
2025-05-01	1213.5	1218.7	1202	1200
2025-04-01	1213.4	1218.7	1201.5	1200
2025-03-01	1211.2	1218.7	1198.1	1200
2025-02-01	1213.1	1217.7	1210.4	1200
2025-01-01	1206.6	1205.8	1210.4	1200
2024-12-01	1206.6	1205.8	1210.4	1200
2024-11-01	1206.6	1205.8	1210.4	1200
2024-10-01	1206.6	1205.8	1210.4	1200
2024-09-01	1206.6	1205.8	1210.4	1200
2024-08-01	1206.6	1205.8	1210.4	1200
2024-07-01	1226	1232.4	1210.4	1200
2024-09-01	1226	1232.4	1210.4	1200
2024-05-01	1226	1232.4	1210.4	1200
2024-04-01	1217.6	1232.4	1179.8	1200
2024-03-01	1217.6	1232.4	1179.8	1200
2024-02-01	1217.6	1232.4	1179.8	1200
2024-01-01	1217.6	1232.4	1179.8	1200
2023-12-01	1217.6	1232.4	1179.8	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 Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
2	Overberg Schools - Top Schools 2024 (U15 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Curro Hermanus Freedom Day Rapid 2024 (U15)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
4	Kingsway Open 2023 (U12+U14)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
5	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Rasekgololo, A (Ayanda)				Opponent Louw, K (Kayden)
2	2	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 5	type Rapid	result 1
		Opponent Viljoen, R (Ray)				Opponent Vogel, Z (Zander)
3	2	Tournament Kingsway Open 2023				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-04-27	rnd 1	type Rapid	result 1
		Opponent Mpanga, T (Thiado)				Opponent Du Plessis, A (Armand)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Rasekgololo, A (Ayanda)				Opponent Louw, K (Kayden)
2	1	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Tembo, A (Anopaishe)				Opponent Tembo, A (Anopaishe)

#	Games	Start				End
1	3	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Overberg Schools - HS Trials 2025
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Viljoen, R (Ray)				Opponent Connor, B (Blake)
2	2	Tournament Kingsway Open 2023				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-04-27	rnd 1	type Rapid	result 1
		Opponent Mpanga, T (Thiado)				Opponent Du Plessis, A (Armand)
3	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent De Kock, L (Lucas)				Opponent De Kock, L (Lucas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Rasekgololo, A (Ayanda)				Opponent Louw, K (Kayden)
2	2	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 5	type Rapid	result 1
		Opponent Viljoen, R (Ray)				Opponent Vogel, Z (Zander)
3	2	Tournament Kingsway Open 2023				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-04-27	rnd 1	type Rapid	result 1
		Opponent Mpanga, T (Thiado)				Opponent Du Plessis, A (Armand)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Rasekgololo, A (Ayanda)				Opponent Louw, K (Kayden)
2	1	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Tembo, A (Anopaishe)				Opponent Tembo, A (Anopaishe)

#	Games	Start				End
1	3	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Overberg Schools - HS Trials 2025
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Viljoen, R (Ray)				Opponent Connor, B (Blake)
2	2	Tournament Kingsway Open 2023				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-04-27	rnd 1	type Rapid	result 1
		Opponent Mpanga, T (Thiado)				Opponent Du Plessis, A (Armand)
3	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent De Kock, L (Lucas)				Opponent De Kock, L (Lucas)

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	Linde ,M (Morgan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Linde ,M (Morgan)	2	1350.5	925.5	1	1317.8	925.5	1	1389.6	925.5	0	0	0
2	Tembo ,A (Anopaishe)	1	1	425	1	1	425	0	0	0	0	0	0
2	Tembo ,A (Anopaishe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mackenzie ,T (Tayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mackenzie ,T (Tayden)	1	1488.1	1063.1	1	1461.7	1063.1	0	0	0	0	0	0
4	Du Toit ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Toit ,M (Matthew)	1	1181.4	1606.4	1	1166.4	1606.4	0	0	0	0	0	0
5	Badenhorst ,G (Gabrielle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Badenhorst ,G (Gabrielle)	1	1175.8	750.8	1	1146	750.8	0	0	0	0	0	0
6	D`Ambrosio ,G (Gohan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	D`Ambrosio ,G (Gohan)	1	1153.6	728.6	1	1172.3	728.6	0	0	0	0	0	0
7	Rasekgololo ,A (Ayanda)	1	1	425	1	1	425	0	0	0	0	0	0
7	Rasekgololo ,A (Ayanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	De Kock ,L (Lucas)	1	1	425	0	0	0	1	1	425	0	0	0
8	De Kock ,L (Lucas)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Byrne ,R (Russel)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Byrne ,R (Russel)	1	1150	725	0	0	0	1	1199.8	725	0	0	0
10	Carelsen ,C (Colan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Carelsen ,C (Colan)	1	1114.8	689.8	0	0	0	1	1243.2	689.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Deventer, J (Jan Gerik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms