Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, D (Denwill)

Chess SA id

1090139705

FIDE id

Date of birth

2009-10-18 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1239	1174.3	1340.2	1200
Raw rating	1238.7	1174.3	1340.2	1200
Weighted rating	1239	1171.4	1339.4	1200
Weighted performance	982.8	909.5	1019.4	0
Floor	774.9	761.7	840.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.9	172	135.8	165.8
Highest rating	1293 2024-03-01	1371.6 2022-06-01	1349.1 2024-03-01	1200 2018-10-01
Highest raw rating	1274.9 2024-04-01	1261.7 2022-08-01	1340.2 2024-04-01	1200 2024-02-01
Highest weighted rating	1274.9 2024-08-01	1261.7 2022-09-01	1331.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1293 2024-03-01	1371.6 2022-06-01	1349.1 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.2	0	0	0
New rating	1238.8	1174.3	1340.2	1200
Analysis
Rating	1239	1174.3	1340.2	1200
Raw rating	1238.7	1174.3	1340.2	1200
Weighted rating	1239	1171.4	1339.4
Weighted performance	982.8	909.5	1019.4
K-factor	36	36	36	36
Floor	774.9	761.7	840.2	700
Max/Min rating change allowed	156.9	172	135.8	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	1238.7	1174.3	1340.2	1200
New weighted rating	1238.8	1171.5	1340	1200
New weighted performance	975.1	902.2	1010.6	0
Temp new rating	1238.8	1174.3	1340.2	1200
Temp new rating +/-	-0.2	0	0	0
Final new rating +/-	-0.2	0	0	0
New rating	1238.8	1174.3	1340.2	1200
New K-factor	36	36	36	36
New floor	774.9	761.7	840.2	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	22	10	12
	44	15	29
	59	41	18
	0	0	0
History	130	71	59

Games since
	Main 27	Standard 15		Rapid 12		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	5	2	40	-85	1248.9	1163.9
Standard	5	2	40	-85	1248.9	1163.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	130	64	49.23	-6.5	1226	1219.5
Standard	71	31	43.66	-53.9	1231.6	1177.7
Rapid	59	33	55.93	50.4	1219.3	1269.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1238.7	1174.3	1340.2	1200
2025-11-30	1238.7	1174.3	1340.2	1200
2025-11-01	1238.7	1174.3	1340.2	1200
2025-09-30	1238.7	1174.3	1340.2	1200
2025-09-01	1238.7	1174.3	1340.2	1200
2025-08-01	1238.7	1174.3	1340.2	1200
2025-07-01	1238.5	1174.3	1340.2	1200
2025-06-01	1238.2	1174.3	1340.2	1200
2025-05-01	1237.8	1174.3	1340.2	1200
2025-04-01	1237.4	1174.3	1340.2	1200
2025-03-01	1236	1174.3	1340.2	1200
2025-02-01	1236	1173.6	1340.2	1200
2025-01-01	1225.9	1146.9	1340.2	1200
2024-12-01	1225.9	1146.9	1340.2	1200
2024-11-01	1225.9	1146.9	1340.2	1200
2024-10-01	1225.9	1146.9	1340.2	1200
2024-09-01	1225.9	1146.9	1340.2	1200
2024-11-01	1274.9	1192.6	1340.2	1200
2024-07-01	1274.9	1192.6	1340.2	1200
2024-06-01	1274.9	1192.6	1340.2	1200
2024-05-01	1274.9	1192.6	1340.2	1200
2024-04-01	1274.9	1192.6	1340.2	1200
2024-03-01	1229.5	1186.8	1265.7	1200
2024-02-01	1209.8	1186.8	1242.3	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	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	De Villiers PS Tournament 2024 (Open)	2024-08-17	2024-08-17	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis
3	Brave Knights 2024 (U13)	2024-03-16	2024-03-16	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
4	Cape Winelands Schools - Prestige 2024 (U15 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Cape Winelands Schools - HS Trials 1 2024 (U15 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Ashton Skaakmat Rapid 2023 (U15+Open)	2023-11-18	2023-11-18	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Worcester Knock-Out 2023 (U15 Boys)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
8	Robertson Chess Tournament Oct 2023 (U15)	2023-10-28	2023-10-28	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
9	Cape Town Junior Chess League Finals 2023 (U16B)	2023-09-16	2023-09-16	Rapid	Cape Town (WCT)	7	5	4	Yes	Analysis
10	Cape Town Junior Chess League - Round 1 2023 (U16B)	2023-07-22	2023-07-22	Rapid	Cape Town (WCT)	7	4	1	Yes	Analysis
11	Cape Town Junior League 2nd Qualifier 2023 (U16)	2023-06-03	2023-06-03	Rapid	Cape Town (WCT)	6	3	1	Yes	Analysis
12	Strategema 2023 (U15-U19)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
13	Langeberg Schools Chess Trials 2023 (U15 Open)	2023-02-11	2023-02-11	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
14	Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
15	McGregor Chess December Festival 2022	2022-12-10	2022-12-10	Standard	Cape Winelands (WCW)	4	4	2.5	Yes	Analysis
16	CW Grass Roots Tournament 2022 (U13 Boys)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
17	Robertson Strategema Club 2022 (U15)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
18	Heritage Chess Open 2022	2022-10-01	2022-10-01	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	Strategema 2022 (U15)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
20	Langeberg Spring Open 2022 (B)	2022-09-03	2022-09-03	Rapid	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
21	Cape Winelands Schools Top Schools 2022 (U13 Mix)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
22	Brave Knights Chess Festival 2022 (B)	2022-07-30	2022-07-30	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
23	McGregor Open 2022 (B)	2022-06-11	2022-06-11	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
24	Strategema Chess Festival 2022 (U13 Open)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	4	2.5	Yes	Analysis
25	McGregor Chess Freedom Day Rapid 2022 (U13)	2022-04-27	2022-04-27	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
26	McGregor Kings Chess Festival 2022 (U13)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	4	0	Yes	Analysis
27	Cape Winelands Schools 2022 (U13 Boys)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament McGregor Open 2022				Tournament Brave Knights Chess Festival 2022
		date 2022-06-11	rnd 3	type Standard	result 0.5	date 2022-07-30	rnd 3	type Standard	result 0.5
		Opponent Frazenberg, J (Johell)				Opponent Tiemie, J (Jaheim)
2	5	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 1	type Rapid	result 0.5	date 2022-09-03	rnd 5	type Rapid	result 1
		Opponent Kleinpenning, A (Aiden)				Opponent Barends, R (Reece)
3	4	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-09-16	rnd 5	type Rapid	result 1
		Opponent Musakwa, C (Carlton)				Opponent Tyhalibhongo, G (Gift)

#	Games	Start				End
1	6	Tournament McGregor Open 2022				Tournament Brave Knights Chess Festival 2022
		date 2022-06-11	rnd 3	type Standard	result 0.5	date 2022-07-30	rnd 3	type Standard	result 0.5
		Opponent Frazenberg, J (Johell)				Opponent Tiemie, J (Jaheim)
2	3	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 1	type Standard	result 1	date 2022-11-19	rnd 3	type Standard	result 0.5
		Opponent Cloete, R (Ryan Julian)				Opponent Tiemie, J (Jaheim)
3	2	Tournament Strategema 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Bukani, H (Howard-Lee)				Opponent Adams, R (Raylin)

#	Games	Start				End
1	8	Tournament Strategema Chess Festival 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-05-14	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Blaauws, I (Ilano)				Opponent Claasen, A (Ashwill)
2	5	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Brave Knights 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 2	type Rapid	result 1
		Opponent Engelbrecht, E (Ernst)				Opponent Van Rooy, S (Shaynal)
3	4	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-09-16	rnd 5	type Rapid	result 1
		Opponent Musakwa, C (Carlton)				Opponent Tyhalibhongo, G (Gift)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-09-16	rnd 5	type Rapid	result 1
		Opponent Musakwa, C (Carlton)				Opponent Tyhalibhongo, G (Gift)
2	4	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 2	type Rapid	result 1	date 2022-09-03	rnd 5	type Rapid	result 1
		Opponent Fourie, C (Christelle)				Opponent Barends, R (Reece)
3	4	Tournament McGregor Open 2022				Tournament Brave Knights Chess Festival 2022
		date 2022-06-11	rnd 4	type Standard	result 1	date 2022-07-30	rnd 2	type Standard	result 1
		Opponent Scheepers, D (Durran)				Opponent Steenberg, G (Gewaandre)

#	Games	Start				End
1	4	Tournament McGregor Open 2022				Tournament Brave Knights Chess Festival 2022
		date 2022-06-11	rnd 4	type Standard	result 1	date 2022-07-30	rnd 2	type Standard	result 1
		Opponent Scheepers, D (Durran)				Opponent Steenberg, G (Gewaandre)
2	2	Tournament Strategema 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Bukani, H (Howard-Lee)				Opponent Adams, R (Raylin)
3	2	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 1	type Standard	result 1	date 2022-11-19	rnd 2	type Standard	result 1
		Opponent Cloete, R (Ryan Julian)				Opponent Elvizo, M (Machiel)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Brave Knights 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 2	type Rapid	result 1
		Opponent Engelbrecht, E (Ernst)				Opponent Van Rooy, S (Shaynal)
2	5	Tournament Langeberg Spring Open 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-09-03	rnd 2	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Fourie, C (Christelle)				Opponent Claasen, A (Ashwill)
3	4	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-09-16	rnd 5	type Rapid	result 1
		Opponent Musakwa, C (Carlton)				Opponent Tyhalibhongo, G (Gift)

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	Tiemie ,J (Jaheim)	4	1.5	-106.2	3	1	-141.7	1	0.5	0	0	0	0
1	Tiemie ,J (Jaheim)	4	1324	1217.7	3	1354.2	1182.3	1	1200	1324	0	0	0
2	Payne ,D (Daniel)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Payne ,D (Daniel)	3	1300.2	875.2	3	1269.1	875.2	0	0	0	0	0	0
3	Scheepers ,D (Durran)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Scheepers ,D (Durran)	3	1174.2	1315.8	2	1180.8	1174.2	1	1200	1599.2	0	0	0
4	Jacobs ,M (Marciano)	3	1.5	0	1	0	-425	2	1.5	212.5	0	0	0
4	Jacobs ,M (Marciano)	3	1201.8	1201.8	1	1205.6	776.8	2	1196.2	1414.3	0	0	0
5	Oostendorff ,J (Juandre Keith)	2	1	0	2	1	0	0	0	0	0	0	0
5	Oostendorff ,J (Juandre Keith)	2	1226.9	1226.9	2	1230	1226.9	0	0	0	0	0	0
6	Bukani ,H (Howard-Lee)	2	1	0	2	1	0	0	0	0	0	0	0
6	Bukani ,H (Howard-Lee)	2	1118.1	1118.1	2	1142	1118.1	0	0	0	0	0	0
7	Groenewald ,A (Ancha)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Groenewald ,A (Ancha)	2	1320.7	895.7	2	1226.4	895.7	0	0	0	0	0	0
8	Hugo ,E (Emil)	2	1	0	1	0	-425	1	1	425	0	0	0
8	Hugo ,E (Emil)	2	1124.3	1124.3	1	1126.8	699.3	1	1157.2	1549.3	0	0	0
9	Reynard ,R (Ree-Shaan)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
9	Reynard ,R (Ree-Shaan)	2	1277.3	1064.8	1	1188.1	1277.3	1	1238.9	852.3	0	0	0
10	Davids ,JW (Jo-Wayne)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Davids ,JW (Jo-Wayne)	2	1439.9	1014.9	1	1461.6	1014.9	1	1368.3	1014.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Visser, D (Denwill)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms