Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, J (Jacob)

Chess SA id

1050137642

FIDE id

Date of birth

2005-12-30 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1327.5	1348.9	1159.6	1200
Raw rating	1327.5	1348.9	1159.6	1200
Weighted rating	1308.7	1328.4	1158.7	1200
Weighted performance	1141.9	1136.2	0	0
Floor	827.5	848.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.3	134.1	175.6	165.8
Highest rating	1327.5 2024-12-01	1348.9 2024-12-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1327.5 2024-12-01	1348.9 2024-12-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1296.1 2025-08-01	1313.9 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1283.7 2024-03-01	1280.1 2025-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1327.5	1348.9	1159.6	1200
Analysis
Rating	1327.5	1348.9	1159.6	1200
Raw rating	1327.5	1348.9	1159.6	1200
Weighted rating	1308.7	1328.4	1158.7
Weighted performance	1141.9	1136.2	0
K-factor	36	36	36	36
Floor	827.5	848.9	700	700
Max/Min rating change allowed	138.3	134.1	175.6	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	1327.5	1348.9	1159.6	1200
New weighted rating	1312.1	1332.2	1158.8	1200
New weighted performance	1133.8	1128	0	0
Temp new rating	1327.5	1348.9	1159.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1327.5	1348.9	1159.6	1200
New K-factor	36	36	36	36
New floor	827.5	848.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	23	17	6
	27	22	5
	16	11	5
	0	0	0
History	66	50	16

Games since
	Main 23	Standard 17		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	66	35	53.03	25.8	1220.9	1246.7
Standard	50	28	56	51	1226.7	1277.7
Rapid	16	7	43.75	-53.1	1203	1149.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1327.5	1348.9	1159.6	1200
2025-09-30	1327.5	1348.9	1159.6	1200
2025-09-01	1327.5	1348.9	1159.6	1200
2025-08-01	1327.5	1348.9	1159.6	1200
2025-07-01	1327.5	1348.9	1159.6	1200
2025-06-01	1327.5	1348.9	1159.6	1200
2025-05-01	1327.5	1348.9	1159.6	1200
2025-04-01	1327.5	1348.9	1159.6	1200
2025-03-01	1327.5	1348.9	1159.6	1200
2025-02-01	1327.5	1348.9	1159.6	1200
2025-01-01	1327.5	1348.9	1156.4	1200
2024-12-01	1327.5	1348.9	1156.4	1200
2024-11-01	1263	1279.8	1156.4	1200
2024-10-01	1263	1279.8	1156.4	1200
2024-09-01	1263	1279.8	1156.4	1200
2024-08-01	1263	1279.8	1156.4	1200
2024-07-01	1263	1279.8	1156.4	1200
2024-09-01	1263	1279.8	1156.4	1200
2024-05-01	1263	1279.8	1156.4	1200
2024-04-01	1263	1279.8	1156.4	1200
2024-03-01	1196.7	1202.4	1156.4	1200
2024-02-01	1207.4	1202.4	1166.4	1200
2024-01-01	1207.4	1202.4	1166.4	1200
2023-12-01	1207.4	1202.4	1166.4	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	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
2	Western Cape HS Individuals Championship 2024 (U20 Boys+Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
3	Cape Winelands Schools - Prestige 2024 (U20 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
4	Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
5	Paarl Boys High Chess Festival 2023 (2nd Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	CW Top Schools 2023 (U18 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
7	Western Cape HS Individuals 2023 (U19 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
8	Cape Winelands Schools Prestige 2023 (U19 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
9	Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Ceres Open 2022 (B)	2022-04-23	2022-04-23	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
11	Cape Winelands Schools 2022 (U18 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
12	Worcester Schools Trials 2022 (U18 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-21	rnd 4	type Standard	result 1
		Opponent Cloete, R (Roode)				Opponent Sibanda, V (Vivian)
2	6	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 0.5
		Opponent Smit, M (Matthys)				Opponent Black, W (Waldo)
3	5	Tournament Paarl Boys High Chess Festival 2023				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2023-10-14	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Khati, A (Abokwe)				Opponent Cloete, R (Roode)

#	Games	Start				End
1	7	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-21	rnd 4	type Standard	result 1
		Opponent Cloete, R (Roode)				Opponent Sibanda, V (Vivian)
2	6	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 0.5
		Opponent Smit, M (Matthys)				Opponent Black, W (Waldo)
3	4	Tournament Paarl Boys High Chess Festival 2023				Tournament Cape Winelands Schools - Prestige 2024
		date 2023-10-14	rnd 4	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Khati, A (Abokwe)				Opponent Kotze, I (Izak)

#	Games	Start				End
1	3	Tournament CW Top Schools 2023				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2023-08-26	rnd 5	type Rapid	result 0.5	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Assam, Z (Zachary)				Opponent Cloete, R (Roode)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 2	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Mootsi, S (Seemo)				Opponent Mofokeng, B (Bokang Gift Phoka)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 0.5	date 2024-02-17	rnd 6	type Rapid	result 0.5
		Opponent Kotze, I (Izak)				Opponent Kotze, I (Izak)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Paarl Boys High Chess Festival 2023				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2023-10-14	rnd 6	type Standard	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Adam, R (Ryan)				Opponent Cloete, R (Roode)
2	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Theunissen, K (Keagan)				Opponent De Wet, WJ (Wouter)
3	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 4	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Hall, K (Kirsten)				Opponent Woolf, J (Jessika)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Theunissen, K (Keagan)				Opponent De Wet, WJ (Wouter)
2	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 4	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Hall, K (Kirsten)				Opponent Woolf, J (Jessika)
3	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Smit, M (Matthys)				Opponent Page, C (Connor)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Janse Van Vuuren, K (Keagan)				Opponent Cloete, R (Roode)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 2	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Mootsi, S (Seemo)				Opponent Mofokeng, B (Bokang Gift Phoka)
3	1	Tournament Worcester Schools Trials 2022				Tournament Worcester Schools Trials 2022
		date 2022-02-19	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Le Roux, Z (Zabur)				Opponent Le Roux, Z (Zabur)

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	Snyman ,A (Alex)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Snyman ,A (Alex)	3	1277	852	2	1196.3	852	1	1281.1	852	0	0	0
2	Maunga ,W (Wayne)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Maunga ,W (Wayne)	3	1219.3	794.3	2	1208.4	794.3	1	1200	794.3	0	0	0
3	Janse Van Vuuren ,K (Keagan)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
3	Janse Van Vuuren ,K (Keagan)	3	1211.8	1495.1	2	1193.9	1424.3	1	1170.8	1636.8	0	0	0
4	Cronje ,Z (Zander)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Cronje ,Z (Zander)	2	1233.7	808.7	1	1227.7	808.7	1	1193.6	808.7	0	0	0
5	Cloete ,R (Roode)	2	2	425	1	1	425	1	1	425	0	0	0
5	Cloete ,R (Roode)	2	1163.1	1588.1	1	1200	1588.1	1	1159.7	1588.1	0	0	0
6	Kotze ,I (Izak)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
6	Kotze ,I (Izak)	2	1168.2	1380.7	1	1200	1593.2	1	1200	1168.2	0	0	0
7	Goussard ,T (Tiaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Goussard ,T (Tiaan)	1	1208	1208	1	1200	1208	0	0	0	0	0	0
8	De Wet ,WJ (Wouter Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Wet ,WJ (Wouter Johannes)	1	1241.6	1666.6	1	1113.4	1666.6	0	0	0	0	0	0
9	Woolf ,J (Jessika)	1	1	425	1	1	425	0	0	0	0	0	0
9	Woolf ,J (Jessika)	1	1305.2	1730.2	1	1288.4	1730.2	0	0	0	0	0	0
10	Van Zyl ,C (Christie)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Zyl ,C (Christie)	1	1121.7	1546.7	1	1181.6	1546.7	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

Visser, J (Jacob)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms