Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, AJC (Alwyn Jacobus Christiaan)

Chess SA id

1140139698

FIDE id

Date of birth

2014-03-26 (U12)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1246.3

Item	Main	Standard	Rapid	Blitz
Rating	1289.8	1274.7	1215	1200
Raw rating	1289.4	1274.4	1215	1200
Weighted rating	1289.8	1274.7	1214.1	1200
Weighted performance	1111.7	1102.6	0	0
Floor	802.5	799.3	715	700
K-factor	36	36	36	36
Min/Max rating change allowed	146	149.1	162.3	165.8
Highest rating	1316.7 2023-07-01	1560.2 2022-09-01	1215 2024-06-01	1200 2018-10-01
Highest raw rating	1302.5 2023-10-01	1299.3 2023-10-01	1215 2024-06-01	1200 2024-02-01
Highest weighted rating	1302.5 2025-02-01	1299.3 2025-02-01	1212 2025-08-01	1200 2018-10-01
Highest weighted performance	1316.7 2023-07-01	1560.2 2022-09-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1289.9	1274.8	1215	1200
Analysis
Rating	1289.8	1274.7	1215	1200
Raw rating	1289.4	1274.4	1215	1200
Weighted rating	1289.8	1274.7	1214.1
Weighted performance	1111.7	1102.6	0
K-factor	36	36	36	36
Floor	802.5	799.3	715	700
Max/Min rating change allowed	146	149.1	162.3	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	1289.4	1274.4	1215	1200
New weighted rating	1289.9	1274.8	1214.5	1200
New weighted performance	1104.4	1095.4	0	0
Temp new rating	1289.9	1274.8	1215	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1289.9	1274.8	1215	1200
New K-factor	36	36	36	36
New floor	802.5	799.3	715	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	27	16	11
	31	31	0
	17	9	8
	0	0	0
History	85	66	19

Games since
	Main 37	Standard 26		Rapid 11		Blitz 0
Gender	Male
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	10	4.5	45	-42.5	1292.3	1249.8
Standard	10	4.5	45	-42.5	1292.3	1249.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	85	45.5	53.53	30	1241.5	1271.5
Standard	66	36.5	55.3	45.1	1243.9	1289
Rapid	19	9	47.37	-22.4	1233	1210.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1289.4	1274.4	1215	1200
2025-09-30	1289.4	1274.4	1215	1200
2025-09-01	1289.4	1274.4	1215	1200
2025-08-01	1289.4	1274.4	1215	1200
2025-07-01	1289.3	1274.4	1215	1200
2025-06-01	1289.3	1274.4	1215	1200
2025-05-01	1289.2	1274.4	1215	1200
2025-04-01	1288.8	1273.8	1215	1200
2025-03-01	1288.4	1274.1	1215	1200
2025-02-01	1291	1275.6	1215	1200
2025-01-01	1291	1275.6	1215	1200
2024-12-01	1291	1275.6	1215	1200
2024-11-01	1291	1275.6	1215	1200
2024-10-01	1295.5	1281.7	1215	1200
2024-09-01	1295.5	1281.7	1215	1200
2024-08-01	1295.5	1281.7	1215	1200
2024-07-01	1295.5	1281.7	1215	1200
2024-09-01	1295.5	1281.7	1215	1200
2024-05-01	1280	1257.9	1213.2	1200
2024-04-01	1280	1257.9	1213.2	1200
2024-03-01	1283.9	1264	1213.2	1200
2024-02-01	1276.8	1264	1173.6	1200
2024-01-01	1276.8	1264	1173.6	1200
2023-12-01	1276.8	1264	1173.6	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 Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Schools Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U11 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
3	Strategema Chess October 2024 (U11)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Robertson Strategema Chess May 2024 (U11)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	Cape Winelands Schools - Prestige 2024 (U11 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
7	Cape Winelands Schools - PS Trials 1 2024 (U11 Boys)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
8	Robertson Chess Tournament Oct 2023 (U11)	2023-10-28	2023-10-28	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
9	Cape Winelands Open 2023 (U10)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
11	Strategema 2023 (Beginners-U9)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
12	Cape Winelands Schools Prestige 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
13	Cape Winelands Schools Chess - Trials 1 2023 (U9 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
14	Robertson Strategema Club 2022 (U9)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
15	Strategema 2022 (U9)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	4	4	Yes	Analysis
16	Strategema Chess Festival 2022 (U7+U9 Girls)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
17	McGregor Kings Chess Festival 2022 (Beginners)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	3	3	0.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Strategema Chess Festival 2022				Tournament Robertson Strategema Club 2022
		date 2022-05-14	rnd 5	type Rapid	result 0.5	date 2022-10-29	rnd 1	type Standard	result 1
		Opponent Viljoen, D (Dian Francois)				Opponent Barends, M (Matthew)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 5	type Standard	result 1
		Opponent Visser, D (David)				Opponent Stander, D (Dean)
3	3	Tournament Cape Winelands Open 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-07-23	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Davids, J (Jaydine)				Opponent Von Wielligh, S (Sven)

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 1	type Standard	result 1	date 2022-10-29	rnd 1	type Standard	result 1
		Opponent Von Wielligh, S (Sven)				Opponent Barends, M (Matthew)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 5	type Standard	result 1
		Opponent Visser, D (David)				Opponent Stander, D (Dean)
3	3	Tournament Cape Winelands Open 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-07-23	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Davids, J (Jaydine)				Opponent Von Wielligh, S (Sven)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-02-10	rnd 6	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Calvert, C (Caylim)				Opponent Solitwasji, A (Akha)
2	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 0.5
		Opponent Rankin, A (Alexander Rohan)				Opponent Steinberg, W (William)
3	2	Tournament Strategema Chess Festival 2022				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2022-05-14	rnd 5	type Rapid	result 0.5	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Viljoen, D (Dian Francois)				Opponent Walters, Z (Zain)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 1	type Standard	result 1	date 2022-10-29	rnd 1	type Standard	result 1
		Opponent Von Wielligh, S (Sven)				Opponent Barends, M (Matthew)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 5	type Standard	result 1
		Opponent Visser, D (David)				Opponent Stander, D (Dean)
3	3	Tournament Cape Winelands Open 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-07-23	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Davids, J (Jaydine)				Opponent Von Wielligh, S (Sven)

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 1	type Standard	result 1	date 2022-10-29	rnd 1	type Standard	result 1
		Opponent Von Wielligh, S (Sven)				Opponent Barends, M (Matthew)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 5	type Standard	result 1
		Opponent Visser, D (David)				Opponent Stander, D (Dean)
3	3	Tournament Cape Winelands Open 2023				Tournament Robertson Chess Tournament Oct 2023
		date 2023-07-23	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Davids, J (Jaydine)				Opponent Von Wielligh, S (Sven)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-02-10	rnd 6	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Calvert, C (Caylim)				Opponent Solitwasji, A (Akha)
2	2	Tournament Strategema Chess Festival 2022				Tournament Strategema Chess Festival 2022
		date 2022-05-14	rnd 2	type Rapid	result 1	date 2022-05-14	rnd 3	type Rapid	result 1
		Opponent Barends, M (Matthew)				Opponent Da Silva, N (Noah Clint)
3	1	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 3	type Rapid	result 1
		Opponent Faroa, K (Kaylin)				Opponent Faroa, K (Kaylin)

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	Von Wielligh ,S (Sven)	5	4	255	4	4	425	1	0	-425	0	0	0
1	Von Wielligh ,S (Sven)	5	1265.7	1520.7	4	1221.7	1690.7	1	1324.1	840.7	0	0	0
2	Visser ,E (Engela)	5	2.5	0	3	1.5	0	2	1	0	0	0	0
2	Visser ,E (Engela)	5	1231.1	1231.1	3	1233.8	1231.1	2	1201.6	1231.1	0	0	0
3	Kriel ,D (Daniel)	4	1.5	-106.2	3	1.5	0	1	0	-425	0	0	0
3	Kriel ,D (Daniel)	4	1274.9	1168.7	3	1232.6	1274.9	1	1371.4	849.9	0	0	0
4	Makipa ,M (Michael)	3	3	425	3	3	425	0	0	0	0	0	0
4	Makipa ,M (Michael)	3	1084.2	1509.2	3	1086.7	1509.2	0	0	0	0	0	0
5	Barends ,M (Matthew)	3	3	425	2	2	425	1	1	425	0	0	0
5	Barends ,M (Matthew)	3	1096.5	1521.5	2	1026	1521.5	1	1240	1521.5	0	0	0
6	Robertson ,M (Marvin)	3	0	-425	2	0	-425	1	0	-425	0	0	0
6	Robertson ,M (Marvin)	3	1326.8	901.8	2	1314.4	901.8	1	1247.9	901.8	0	0	0
7	Smith ,A (Andrew)	2	1	0	2	1	0	0	0	0	0	0	0
7	Smith ,A (Andrew)	2	1180.2	1180.2	2	1191.8	1180.2	0	0	0	0	0	0
8	Davids ,J (Jaydine)	2	2	425	2	2	425	0	0	0	0	0	0
8	Davids ,J (Jaydine)	2	1200.8	1625.8	2	1201.2	1625.8	0	0	0	0	0	0
9	Barends ,R (Reece)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Barends ,R (Reece)	2	1431.8	1219.3	2	1412.6	1219.3	0	0	0	0	0	0
10	Fourie ,I (Izak)	2	1	0	2	1	0	0	0	0	0	0	0
10	Fourie ,I (Izak)	2	1323.8	1323.8	2	1280.1	1323.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Visser, AJC (Alwyn Jacobus Christiaan)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms