Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willenberg, K (Keagan)

Chess SA id

105042915

FIDE id

Date of birth

2005-12-30 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1357.8	1355.8	1249.4	1192.6
Raw rating	1356.1	1355.8	1247.8	1192.6
Weighted rating	1357.8	1352.2	1249.4	1191.8
Weighted performance	1245.8	1249.2	0	0
Floor	880.6	887.4	765	722.2
K-factor	36	36	36	36
Min/Max rating change allowed	132.8	132.8	154.9	167.6
Highest rating	1380.6 2025-02-01	1387.4 2025-02-01	1265 2024-07-01	1222.2 2018-02-01
Highest raw rating	1380.6 2025-02-01	1387.4 2025-02-01	1265 2024-07-01	1222.2 2018-02-01
Highest weighted rating	1380.6 2024-09-01	1352.2 2026-01-01	1247.8 2025-08-01	1222.2 2018-02-01
Highest weighted performance	1324.1 2025-03-01	1354.4 2018-02-01	1251 2019-06-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.4	0	0.1	0
New rating	1358.2	1355.8	1249.5	1192.6
Analysis
Rating	1357.8	1355.8	1249.4	1192.6
Raw rating	1356.1	1355.8	1247.8	1192.6
Weighted rating	1357.8	1352.2	1249.4
Weighted performance	1245.8	1249.2	0
K-factor	36	36	36	36
Floor	880.6	887.4	765	722.2
Max/Min rating change allowed	132.8	132.8	154.9	167.6
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	1356.1	1355.8	1247.8	1192.6
New weighted rating	1358.2	1353.5	1249.5	1191.9
New weighted performance	1236.9	1240.1	0	0
Temp new rating	1358.2	1355.8	1249.5	1192.6
Temp new rating +/-	0.4	0	0.1	0
Final new rating +/-	0.4	0	0.1	0
New rating	1358.2	1355.8	1249.5	1192.6
New K-factor	36	36	36	36
New floor	880.6	887.4	765	722.2

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	31	19	5	7
	30	15	6	9
	0	0	0	0
	12	6	6	0
	0	0	0	0
History	368	239	53	76

Games since
	Main 61	Standard 34		Rapid 11		Blitz 16
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2645		845		365
Male	2126		653		295
Adult	565		177		113
Adult Male	516		158		101
Standard
	RSA		Province		Region
Overall	2593		733		332
Male	2079		554		263
Adult	514		127		96
Adult Male	469		113		86
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	514		187		75
Male	451		166		69
Adult	252		103		49
Adult Male	238		96		46


	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	31	12	38.71	-96	1458.4	1362.4
Standard	19	7.5	39.47	-89.5	1506.2	1416.7
Rapid	5	2	40	-85	1282.7	1197.7
Blitz	7	2.5	35.71	-121.4	1454	1332.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	116	54.5	46.98	-25.6	1328.3	1302.7
Standard	71	35	49.3	-6	1322.1	1316.1
Rapid	24	12	50	0	1325.1	1325.1
Blitz	21	7.5	35.71	-121.4	1353	1231.6

Date	Main	Standard	Rapid	Blitz
2026-01-01	1356.1	1355.8	1247.8	1192.6
2025-11-30	1355.7	1354.4	1247.8	1192.6
2025-11-01	1355.7	1354.4	1247.8	1192.6
2025-09-30	1375.5	1375.6	1247.8	1192.6
2025-09-01	1375.5	1375.6	1247.8	1192.6
2025-08-01	1375.5	1375.6	1247.8	1192.6
2025-07-01	1375.5	1375.6	1247.2	1192.6
2025-06-01	1375.5	1375.6	1246.6	1192.6
2025-05-01	1375.5	1375.6	1245.9	1192.6
2025-04-01	1375.5	1375.6	1245.2	1192.6
2025-03-01	1375.5	1375.6	1244.5	1192.6
2025-02-01	1380.6	1387.4	1243.5	1192.6
2025-01-01	1322.6	1308.2	1265	1181
2024-12-01	1302.4	1282.3	1265	1191.1
2024-11-01	1302.4	1282.3	1265	1191.1
2024-10-01	1302.4	1282.3	1265	1191.1
2024-09-01	1342.4	1316.1	1265	1191.1
2024-11-01	1342.4	1316.1	1265	1191.1
2024-07-01	1342.4	1316.1	1265	1191.1
2024-06-01	1341.4	1316.1	1222.2	1191.1
2024-05-01	1341.4	1316.1	1222.2	1191.1
2024-04-01	1341.4	1316.1	1222.2	1191.1
2024-03-01	1341.4	1316.1	1222.2	1191.1
2024-02-01	1341.4	1316.1	1222.2	1191.1

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	USSA Chess Championships 2025 (Open)	2025-12-01	2025-12-05	Standard	Johannesburg Metro (GJM)	9	9	4	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
3	Cape of Good Hope Open 2025 (Advanced)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Cape Town Masters Challenge 2025 (Blitz)	2025-01-09	2025-01-09	Blitz	Cape Town (WCT)	7	7	2.5	Yes	Analysis
5	Cape Town Masters Challenge 2025 (Advanced)	2025-01-06	2025-01-11	Standard	Cape Town (WCT)	9	9	4.5	Yes	Analysis
6	2025 Kraaifontein Open Chess Championships (Rapid Open)	2025-01-05	2025-01-05	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
7	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	4.5	Yes	Analysis
8	USSA Chess Championships 2024 (Blitz)	2024-12-01	2024-12-01	Blitz	Tshwane (GTP)	9	9	3	Yes	Analysis
9	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	6	0	Yes	Analysis
10	Rylib Winter Slam 2024 (Intermediate)	2024-06-19	2024-06-19	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
11	Mpumalanga Finaal 2022 (O17)	2022-08-22	2022-08-22	Rapid	Gert Sibande (MGS)	6	6	4	Yes	Analysis
12	South African Open 2022 (U20)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
13	2019 Kraaifontein Open (Open)	2019-12-06	2019-12-08	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
14	2019 GPCA Rapid (Open)	2019-06-29	2019-06-29	Rapid	Cape Town (WCT)	7	7	2.5	Yes	Analysis
15	South African Junior Team Championships 2018 (U16C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
16	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	3	0	Yes	Analysis
17	2018 WP Schools Closed Trials (U13 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
18	2018 Steinitz Chess Festival (B)	2018-03-21	2018-03-25	Standard	Cape Town (WCT)	7	4	2	Yes	Analysis
19	District East Schools Chess Open Trials 2018 (U13)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
20	WP Team Blitz 2018 (B)	2018-02-17	2018-02-17	Blitz	Cape Town (WCT)	7	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 0.5
		Opponent Michaels, L (Lauri-Kay)				Opponent Schonken, JA (Johannes)
2	6	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-02-03	rnd 6	type Standard	result 0.5
		Opponent Klaase, K (Keagan)				Opponent Parenzee, E (Ethan)
3	5	Tournament USSA Chess Championships 2024				Tournament 2025 Kraaifontein Open Chess Championships
		date 2024-12-02	rnd 6	type Standard	result 0.5	date 2025-01-05	rnd 2	type Rapid	result 1
		Opponent Cungcu, O (Olunje)				Opponent Kieser, M (Michael)

#	Games	Start				End
1	9	Tournament District East Schools Chess Open Trials 2018				Tournament 2018 WP Schools Closed Trials
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 0.5
		Opponent Klaase, K (Keagan)				Opponent Samuels, K (Kieran)
2	7	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 0.5
		Opponent Michaels, L (Lauri-Kay)				Opponent Schonken, JA (Johannes)
3	5	Tournament USSA Chess Championships 2024				Tournament Cape Town Masters Challenge 2025
		date 2024-12-02	rnd 6	type Standard	result 0.5	date 2025-01-06	rnd 1	type Standard	result 1
		Opponent Cungcu, O (Olunje)				Opponent Cindi, M (Mbalenhle)

#	Games	Start				End
1	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 4	type Rapid	result 1	date 2024-06-19	rnd 5	type Rapid	result 1
		Opponent Dreyer, J (James)				Opponent Chen, H (Haoyu)
2	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 1	type Rapid	result 0.5	date 2024-06-19	rnd 2	type Rapid	result 1
		Opponent Finini, K (Kamva)				Opponent Techow-Grubert, D (Dominik)
3	2	Tournament Mpumalanga Finaal 2022				Tournament Mpumalanga Finaal 2022
		date 2022-08-22	rnd 4	type Rapid	result 1	date 2022-08-22	rnd 5	type Rapid	result 1
		Opponent Singh, A (Aryan)				Opponent Motaung, T (Thato)

#	Games	Start				End
1	3	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 6	type Blitz	result 1	date 2024-12-01	rnd 8	type Blitz	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Motseki, B (Babe)
2	1	Tournament Cape Town Masters Challenge 2025				Tournament Cape Town Masters Challenge 2025
		date 2025-01-09	rnd 7	type Blitz	result 1	date 2025-01-09	rnd 7	type Blitz	result 1
		Opponent Prinsloo, Z (Zahro Nolte)				Opponent Prinsloo, Z (Zahro Nolte)
3	1	Tournament Cape Town Masters Challenge 2025				Tournament Cape Town Masters Challenge 2025
		date 2025-01-09	rnd 4	type Blitz	result 1	date 2025-01-09	rnd 4	type Blitz	result 1
		Opponent Nogaga, O (Owethu)				Opponent Nogaga, O (Owethu)

#	Games	Start				End
1	5	Tournament South African Open 2022				Tournament Mpumalanga Finaal 2022
		date 2022-07-12	rnd 4	type Standard	result 1	date 2022-08-22	rnd 2	type Rapid	result 1
		Opponent Marinus, T (Thurlin)				Opponent Motaung, T (Thato)
2	5	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Klaase, K (Keagan)				Opponent Krynauw, J (Joshua)
3	3	Tournament USSA Chess Championships 2024				Tournament 2025 Kraaifontein Open Chess Championships
		date 2024-12-03	rnd 8	type Standard	result 1	date 2025-01-05	rnd 2	type Rapid	result 1
		Opponent Mongwe, M (Melusi)				Opponent Kieser, M (Michael)

#	Games	Start				End
1	5	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Klaase, K (Keagan)				Opponent Krynauw, J (Joshua)
2	3	Tournament USSA Chess Championships 2024				Tournament Cape Town Masters Challenge 2025
		date 2024-12-03	rnd 8	type Standard	result 1	date 2025-01-06	rnd 1	type Standard	result 1
		Opponent Mongwe, M (Melusi)				Opponent Cindi, M (Mbalenhle)
3	3	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-12	rnd 4	type Standard	result 1	date 2022-07-13	rnd 6	type Standard	result 1
		Opponent Marinus, T (Thurlin)				Opponent Jonker, DE (Danica)

#	Games	Start				End
1	2	Tournament Rylib Winter Slam 2024				Tournament Rylib Winter Slam 2024
		date 2024-06-19	rnd 4	type Rapid	result 1	date 2024-06-19	rnd 5	type Rapid	result 1
		Opponent Dreyer, J (James)				Opponent Chen, H (Haoyu)
2	2	Tournament Mpumalanga Finaal 2022				Tournament Mpumalanga Finaal 2022
		date 2022-08-22	rnd 4	type Rapid	result 1	date 2022-08-22	rnd 5	type Rapid	result 1
		Opponent Singh, A (Aryan)				Opponent Motaung, T (Thato)
3	2	Tournament Mpumalanga Finaal 2022				Tournament Mpumalanga Finaal 2022
		date 2022-08-22	rnd 1	type Rapid	result 1	date 2022-08-22	rnd 2	type Rapid	result 1
		Opponent Singh, A (Aryan)				Opponent Motaung, T (Thato)

#	Games	Start				End
1	3	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 6	type Blitz	result 1	date 2024-12-01	rnd 8	type Blitz	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Motseki, B (Babe)
2	1	Tournament Cape Town Masters Challenge 2025				Tournament Cape Town Masters Challenge 2025
		date 2025-01-09	rnd 7	type Blitz	result 1	date 2025-01-09	rnd 7	type Blitz	result 1
		Opponent Prinsloo, Z (Zahro Nolte)				Opponent Prinsloo, Z (Zahro Nolte)
3	1	Tournament Cape Town Masters Challenge 2025				Tournament Cape Town Masters Challenge 2025
		date 2025-01-09	rnd 4	type Blitz	result 1	date 2025-01-09	rnd 4	type Blitz	result 1
		Opponent Nogaga, O (Owethu)				Opponent Nogaga, O (Owethu)

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	Mackinna ,C (Cashlin)	3	0	-425	1	0	-425	1	0	-425	1	0	-425
1	Mackinna ,C (Cashlin)	3	1389.8	964.8	1	1477.5	964.8	1	1365.2	964.8	1	1200	964.8
2	Gordon ,E (Eugene)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Gordon ,E (Eugene)	2	1369	944	2	1356.7	944	0	0	0	0	0	0
3	Baruch ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Baruch ,L (Liam)	2	1394.6	969.6	1	1282.3	969.6	1	1398.9	969.6	0	0	0
4	Snijders ,G (Gerard)	2	2	425	1	1	425	0	0	0	1	1	425
4	Snijders ,G (Gerard)	2	641.4	1066.4	1	739	1066.4	0	0	0	1	563.8	1066.4
5	Jameson ,A (Alen)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Jameson ,A (Alen)	2	1545.9	1120.9	0	0	0	2	872.2	1120.9	0	0	0
6	Motaung ,T (Thato)	2	2	425	0	0	0	2	2	425	0	0	0
6	Motaung ,T (Thato)	2	1210.8	1635.8	0	0	0	2	1200	1635.8	0	0	0
7	Singh ,A (Aryan)	2	2	425	0	0	0	2	2	425	0	0	0
7	Singh ,A (Aryan)	2	1219.8	1644.8	0	0	0	2	1237.5	1644.8	0	0	0
8	Ebrahim ,N (Nabeelah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Ebrahim ,N (Nabeelah)	1	1450.5	1450.5	1	1405.7	1450.5	0	0	0	0	0	0
9	Mongwe ,M (Melusi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mongwe ,M (Melusi)	1	1118.5	1543.5	1	1104.8	1543.5	0	0	0	0	0	0
10	Jordaan ,R (Riaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jordaan ,R (Riaan)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Willenberg, K (Keagan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms