Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, K (Katie)

Chess SA id

2110132441

FIDE id

Date of birth

2011-09-28 (U16)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1248.5

Item	Main	Standard	Rapid	Blitz
Rating	1329.7	1327.5	1264.7	1200
Raw rating	1327.9	1325.6	1264.7	1200
Weighted rating	1329.7	1327.5	1264.6	1200
Weighted performance	1136.2	1133	872.4	0
Floor	852.1	851.6	802	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.2	138.6	151.2	165.8
Highest rating	1352.1 2024-11-01	1351.6 2024-11-01	1302 2024-06-01	1200 2018-10-01
Highest raw rating	1352.1 2024-11-01	1351.6 2024-11-01	1302 2024-06-01	1200 2024-03-01
Highest weighted rating	1352.1 2025-03-01	1351.6 2025-03-01	1302 2024-06-01	1200 2018-10-01
Highest weighted performance	1348.6 2024-05-01	1338.1 2022-05-01	1293.1 2020-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.3	0.3	0	0
New rating	1330	1327.8	1264.7	1200
Analysis
Rating	1329.7	1327.5	1264.7	1200
Raw rating	1327.9	1325.6	1264.7	1200
Weighted rating	1329.7	1327.5	1264.6
Weighted performance	1136.2	1133	872.4
K-factor	36	36	36	36
Floor	852.1	851.6	802	700
Max/Min rating change allowed	138.2	138.6	151.2	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	1327.9	1325.6	1264.7	1200
New weighted rating	1330	1327.8	1264.6	1200
New weighted performance	1128.9	1125.7	865.1	0
Temp new rating	1330	1327.8	1264.7	1200
Temp new rating +/-	0.3	0.3	0	0
Final new rating +/-	0.3	0.3	0	0
New rating	1330	1327.8	1264.7	1200
New K-factor	36	36	36	36
New floor	852.1	851.6	802	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	25	16	9
	31	31	0
	31	21	10
	0	0	0
History	113	84	29

Games since
	Main 41	Standard 32		Rapid 9		Blitz 0
Gender	Female
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2960		958		135
Female	579		227		37
U16	473		159		30
U16 Female	121		47		9
Standard
	RSA		Province		Region
Overall	2904		821		112
Female	556		204		33
U16	466		148		27
U16 Female	114		45		8
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	16	7	43.75	-53.1	1271.5	1218.4
Standard	16	7	43.75	-53.1	1271.5	1218.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	113	63	55.75	48.9	1259.6	1308.5
Standard	84	46	54.76	40.5	1271.1	1311.6
Rapid	29	17	58.62	73.3	1226.3	1299.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1327.9	1325.6	1264.7	1200
2025-09-30	1327.9	1325.6	1264.7	1200
2025-09-01	1327.9	1325.6	1264.7	1200
2025-08-01	1327.9	1325.6	1264.7	1200
2025-07-01	1326.8	1324.5	1264.7	1200
2025-06-01	1325.6	1323.2	1264.7	1200
2025-05-01	1324.3	1321.3	1264.7	1200
2025-04-01	1321.4	1318.3	1264.7	1200
2025-03-01	1322.3	1319.1	1264.7	1200
2025-02-01	1352.1	1351.6	1264.5	1200
2025-01-01	1352.1	1351.6	1261.3	1200
2024-12-01	1352.1	1351.6	1261.3	1200
2024-11-01	1352.1	1351.6	1261.3	1200
2024-10-01	1327	1326.4	1261.3	1200
2024-09-01	1327	1326.4	1261.3	1200
2024-08-01	1327	1326.4	1261.3	1200
2024-07-01	1327	1326.4	1261.3	1200
2024-09-01	1345.8	1326.4	1302	1200
2024-05-01	1317.2	1315.2	1263.8	1200
2024-04-01	1317.2	1315.2	1263.8	1200
2024-03-01	1287.9	1287.1	1263.8	1200
2024-02-01	1287.9	1287.1	1263.8	1200
2024-01-01	1287.9	1287.1	1263.8	1200
2023-12-01	1287.9	1287.1	1263.8	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	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U15 Gils)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U15 Gils)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Strategema Chess October 2024 (U13)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Western Cape - Kings and Queens 2024 (Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
6	Robertson Strategema Chess May 2024 (U13)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
7	Western Cape PS Individuals Championship 2024 (U13 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
8	Cape Winelands Schools - Prestige 2024 (U13 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
9	Robertson Chess Tournament Oct 2023 (U13)	2023-10-28	2023-10-28	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
10	Cape Winelands Open 2023 (U14)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
11	Western Cape PS Individuals 2023 (U13 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
12	Strategema 2023 (U11+U13)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
13	Cape Winelands Schools Prestige 2023 (U13 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
14	Cape Winelands Schools Chess - Trials 1 2023 (U13 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
15	Robertson Strategema Club 2022 (U13)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
16	Strategema 2022 (U13)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
17	Western Cape Schools 2022 (U11 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
18	Strategema Chess Festival 2022 (U11 Girls)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	McGregor Kings Chess Festival 2022 (U11)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
20	Cape Winelands Schools 2022 (U11 Girls)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
21	Robertson Chess 2020 (U9)	2020-03-07	2020-03-07	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
22	Cape Winelands Schools Trials 1 2020 (U9 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Strategema Chess October 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-05	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Burger, L (Lee)
2	5	Tournament Western Cape Schools 2022				Tournament Strategema 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-09-10	rnd 3	type Standard	result 0.5
		Opponent Sithonga, A (Ahlumile)				Opponent Van Deventer, L (Lia)
3	4	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Van Rooyen, B (Beuton)				Opponent Brits, J (Jayden)

#	Games	Start				End
1	6	Tournament Strategema Chess October 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-05	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Burger, L (Lee)
2	5	Tournament Western Cape Schools 2022				Tournament Strategema 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-09-10	rnd 3	type Standard	result 0.5
		Opponent Sithonga, A (Ahlumile)				Opponent Van Deventer, L (Lia)
3	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Farmer, L (Linnique)				Opponent Barnard, M (Maxine)

#	Games	Start				End
1	4	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Van Rooyen, B (Beuton)				Opponent Brits, J (Jayden)
2	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Mabongo, A (Aqhamile)				Opponent Langeveldt, T (Thaakirah)
3	2	Tournament Strategema Chess Festival 2022				Tournament Strategema Chess Festival 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Joubert, G (Grace)				Opponent Fouche, N (Nadine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Van Rooyen, B (Beuton)				Opponent Brits, J (Jayden)
2	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Farmer, L (Linnique)				Opponent Barnard, M (Maxine)
3	4	Tournament Western Cape Schools 2022				Tournament Strategema 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-09-10	rnd 2	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Pitirosi, E (Enrique)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Farmer, L (Linnique)				Opponent Barnard, M (Maxine)
2	4	Tournament Western Cape Schools 2022				Tournament Strategema 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-09-10	rnd 2	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Pitirosi, E (Enrique)
3	3	Tournament Strategema Chess October 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-05	rnd 5	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Joel, R (Roneeq)				Opponent Burger, L (Lee)

#	Games	Start				End
1	4	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Van Rooyen, B (Beuton)				Opponent Brits, J (Jayden)
2	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Mabongo, A (Aqhamile)				Opponent Langeveldt, T (Thaakirah)
3	2	Tournament Strategema Chess Festival 2022				Tournament Strategema Chess Festival 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Joubert, G (Grace)				Opponent Fouche, N (Nadine)

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	Thorpe ,C (Claire)	4	0	-425	3	0	-425	1	0	-425	0	0	0
1	Thorpe ,C (Claire)	4	1341.9	916.9	3	1314.1	916.9	1	1386	916.9	0	0	0
2	Viljoen ,L (Lienka)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Viljoen ,L (Lienka)	3	1387.1	962.1	3	1304	962.1	0	0	0	0	0	0
3	Cupido ,C (Caylah)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Cupido ,C (Caylah)	3	1386.9	961.9	3	1376.9	961.9	0	0	0	0	0	0
4	Kirchner ,M (Miya)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
4	Kirchner ,M (Miya)	3	1226.8	1085.1	1	1301.1	801.8	2	1171.2	1226.8	0	0	0
5	Kleynhans ,C (Caylen)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Kleynhans ,C (Caylen)	2	1364.2	939.2	2	1331.4	939.2	0	0	0	0	0	0
6	Landsman ,M (Mikayla Jemelia Abigail)	2	1	0	2	1	0	0	0	0	0	0	0
6	Landsman ,M (Mikayla Jemelia Abigail)	2	1197.9	1197.9	2	1240.4	1197.9	0	0	0	0	0	0
7	Reynard ,R (Ree-Shaan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Reynard ,R (Ree-Shaan)	2	1296.6	1296.6	2	1287.8	1296.6	0	0	0	0	0	0
8	Stevens ,W (Wildeno)	2	1	0	2	1	0	0	0	0	0	0	0
8	Stevens ,W (Wildeno)	2	1198.6	1198.6	2	1197.3	1198.6	0	0	0	0	0	0
9	Coetzee ,A (Alexia)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Coetzee ,A (Alexia)	2	1131.6	1344.1	2	1115.6	1344.1	0	0	0	0	0	0
10	Coetzee ,C (Carli)	2	2	425	2	2	425	0	0	0	0	0	0
10	Coetzee ,C (Carli)	2	1234.1	1659.1	2	1202.6	1659.1	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, K (Katie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms