Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, D (David)

Chess SA id

1140162878

FIDE id

Date of birth

2014-01-19 (U12)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

20.8

Junior GPX Points

1291.4

Item	Main	Standard	Rapid	Blitz
Rating	1301.5	1234.1	1294.3	1200
Raw rating	1301.5	1234.1	1294.3	1200
Weighted rating	1236.3	1196.1	1246.2	1200
Weighted performance	1280.1	1154.7	1246.9	0
Floor	801.5	745	794.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.5	157.9	145	165.8
Highest rating	1301.5 2025-09-01	1283.1 2024-03-01	1294.3 2025-09-01	1200 2018-10-01
Highest raw rating	1301.5 2025-09-01	1245 2025-03-01	1294.3 2025-09-01	1200 2024-03-01
Highest weighted rating	1278.4 2018-10-01	1245 2024-05-01	1239.8 2025-09-01	1200 2018-10-01
Highest weighted performance	1293.3 2025-09-01	1283.1 2024-03-01	1260.3 2025-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1301.5	1234.1	1294.3	1200
Analysis
Rating	1301.5	1234.1	1294.3	1200
Raw rating	1301.5	1234.1	1294.3	1200
Weighted rating	1236.3	1196.1	1246.2
Weighted performance	1280.1	1154.7	1246.9
K-factor	36	36	36	36
Floor	801.5	745	794.3	700
Max/Min rating change allowed	143.5	157.9	145	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	1301.5	1234.1	1294.3	1200
New weighted rating	1243.5	1199.8	1251.9	1200
New weighted performance	1279.6	1154.3	1246.4	0
Temp new rating	1301.5	1234.1	1294.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1301.5	1234.1	1294.3	1200
New K-factor	36	36	36	36
New floor	801.5	745	794.3	700

Item	Main	Standard	Rapid
	0	0	0
	25	16	9
	39	16	23
	5	0	5
	0	0	0
	0	0	0
History	69	32	37

Games since
	Main 69	Standard 32		Rapid 37		Blitz 0
Gender	Male
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3179		1037		151
Male	2506		762		104
U12	481		171		29
U12 Male	342		112		18
Standard
	RSA		Province		Region
Overall	3658		1035		143
Male	2788		716		94
U12	577		168		22
U12 Male	403		103		13
Rapid
	RSA		Province		Region
Overall	1074		548		96
Male	881		439		71
U12	182		108		27
U12 Male	134		77		19
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	25	15.5	62	102	1280.4	1382.4
Standard	16	9.5	59.38	79.7	1295.5	1375.2
Rapid	9	6	66.67	141.7	1253.7	1395.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	33.5	48.55	-12.3	1256.5	1244.2
Standard	32	14.5	45.31	-39.8	1288.4	1248.6
Rapid	37	19	51.35	11.5	1228.9	1240.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1301.5	1234.1	1294.3	1200
2025-09-01	1301.5	1234.1	1294.3	1200
2025-08-01	1273.2	1234.1	1245	1200
2025-07-01	1273.2	1234.1	1245	1200
2025-06-01	1273.2	1234.1	1245	1200
2025-05-01	1273.2	1234.1	1245	1200
2025-04-01	1273.2	1234.1	1245	1200
2025-03-01	1278.4	1245	1245	1200
2025-02-01	1214	1175.1	1245	1200
2025-01-01	1169.1	1119.4	1245	1200
2024-12-01	1169.1	1119.4	1245	1200
2024-11-01	1169.1	1119.4	1245	1200
2024-10-01	1169.1	1119.4	1245	1200
2024-09-01	1169.1	1119.4	1245	1200
2024-08-01	1169.1	1119.4	1245	1200
2024-07-01	1199	1156.1	1245	1200
2024-06-01	1199	1156.1	1245	1200
2024-08-01	1222	1219.1	1218	1200
2024-04-01	1222	1219.1	1218	1200
2024-03-01	1168.5	1200	1171.2	1200
2024-02-01	1151.6	1200	1143.5	1200
2024-01-01	1138.7	1200	1105.7	1200
2023-12-01	1138.7	1200	1105.7	1200
2023-11-01	1138.7	1200	1105.7	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	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2.5	Yes	Analysis
2	Cape Winelands Schools Development 2025 (U11 Boys)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Marie Delport Memorial 2025 (U12 Boys)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2.5	Yes	Analysis
2	Cape Winelands Schools Development 2025 (U11 Boys)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Marie Delport Memorial 2025 (U12 Boys)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
6	Cape Winelands - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
7	Robertson Strategema Chess May 2024 (U11)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
8	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
9	Brave Knights 2024 (U9)	2024-03-16	2024-03-16	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
10	Cape Winelands Schools - Prestige 2024 (U11 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
11	Cape Winelands Schools - PS Trials 1 2024 (U11 Boys)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
12	Cape Winelands - Marie Delport Memorial 2024 (U12)	2024-01-27	2024-01-27	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
13	Worcester Knock-Out 2023 (U9 Boys)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	5	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Development 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-02	rnd 5	type Rapid	result 0.5	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Gomomo, B (Bandile)				Opponent Joseph, J (Jamie)
2	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Arendse, D (Diego)				Opponent Naud�, L (Lukas)
3	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Brave Knights 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Le Roux, A (Alexander)				Opponent Du Toit, S (Shanika)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Arendse, D (Diego)				Opponent Naud�, L (Lukas)
2	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 0.5
		Opponent Van Aarde, M (Morne)				Opponent Ngqwarushe, J (Jayden)
3	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Le Roux, A (Alexander)				Opponent Philander, L (Liam)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Development 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-02	rnd 5	type Rapid	result 0.5	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Gomomo, B (Bandile)				Opponent Joseph, J (Jamie)
2	3	Tournament Cape Winelands Schools Development 2025				Tournament Cape Winelands Schools Development 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Dampies, W (Wyatt)				Opponent Pieters, L (Liam)
3	3	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-01-27	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Colyn, E (Estelanie)				Opponent Osman, N (Noah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Arendse, D (Diego)				Opponent Naud�, L (Lukas)
2	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Brave Knights 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Le Roux, A (Alexander)				Opponent Du Toit, S (Shanika)
3	3	Tournament Cape Winelands Schools Development 2025				Tournament Cape Winelands Schools Development 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Dampies, W (Wyatt)				Opponent Pieters, L (Liam)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Arendse, D (Diego)				Opponent Naud�, L (Lukas)
2	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Le Roux, A (Alexander)				Opponent Philander, L (Liam)
3	2	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Van Aarde, M (Morne)				Opponent Louw, B (Burger)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Development 2025				Tournament Cape Winelands Schools Development 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Dampies, W (Wyatt)				Opponent Pieters, L (Liam)
2	3	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-01-27	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Colyn, E (Estelanie)				Opponent Osman, N (Noah)
3	2	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Calvert, C (Caylim)				Opponent Joseph, J (Jamie)

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	Louw ,B (Burger)	3	2	141.7	2	2	425	1	0	-425	0	0	0
1	Louw ,B (Burger)	3	1294.8	1436.5	2	1276.5	1719.8	1	1265.5	869.8	0	0	0
2	Van Tonder ,L (Luhann)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Tonder ,L (Luhann)	2	1349.4	924.4	2	1282.9	924.4	0	0	0	0	0	0
3	Visser ,AJC (Alwyn Jacobus Christiaan)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Visser ,AJC (Alwyn Jacobus Christiaan)	2	1280	1280	1	1257.9	855	1	1213.2	1705	0	0	0
4	Prinsloo ,W (Willem)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Prinsloo ,W (Willem)	2	1271.3	1271.3	1	1200	1696.3	1	1218.5	846.3	0	0	0
5	Krynauw ,E (Eben)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Krynauw ,E (Eben)	2	1314.1	889.1	0	0	0	2	1308.8	889.1	0	0	0
6	Strauss ,J (Jan-Hendrik)	1	1	425	1	1	425	0	0	0	0	0	0
6	Strauss ,J (Jan-Hendrik)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Viljoen ,A (Adrihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Viljoen ,A (Adrihan)	1	1378.9	953.9	1	1355.9	953.9	0	0	0	0	0	0
8	Els ,P (Petri)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Els ,P (Petri)	1	1424.1	999.1	1	1356	999.1	0	0	0	0	0	0
9	Ngqwarushe ,J (Jayden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Ngqwarushe ,J (Jayden)	1	1547.9	1547.9	1	1406.6	1547.9	0	0	0	0	0	0
10	Pulengane ,T (Tukiso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Pulengane ,T (Tukiso)	1	1200	1625	1	1200	1625	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, D (David)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms