Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koegelenberg, U (Ulrich)

Chess SA id

1080157942

FIDE id

Date of birth

2008-11-02 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

23.9

Junior GPX Points

1288.5

Item	Main	Standard	Rapid	Blitz
Rating	1319.8	1331.7	1188.8	1200
Raw rating	1319.8	1331.7	1188.8	1200
Weighted rating	1240.4	1243	1160.5	1200
Weighted performance	1269.4	1265.2	997.6	0
Floor	819.8	831.7	741.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.8	137.5	168.5	165.8
Highest rating	1319.8 2025-11-01	1362.7 2023-08-01	1241.3 2024-05-01	1200 2018-10-01
Highest raw rating	1319.8 2025-11-01	1331.7 2025-11-01	1241.3 2024-05-01	1200 2024-02-01
Highest weighted rating	1240.4 2025-11-01	1243 2025-11-01	1241.3 2018-10-01	1200 2018-10-01
Highest weighted performance	1270.5 2023-08-01	1362.7 2023-08-01	1202 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1319.8	1331.7	1188.8	1200
Analysis
Rating	1319.8	1331.7	1188.8	1200
Raw rating	1319.8	1331.7	1188.8	1200
Weighted rating	1240.4	1243	1160.5
Weighted performance	1269.4	1265.2	997.6
K-factor	36	36	36	36
Floor	819.8	831.7	741.3	700
Max/Min rating change allowed	139.8	137.5	168.5	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	1319.8	1331.7	1188.8	1200
New weighted rating	1247.3	1250.9	1162.4	1200
New weighted performance	1261.8	1257.3	990.9	0
Temp new rating	1319.8	1331.7	1188.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1319.8	1331.7	1188.8	1200
New K-factor	36	36	36	36
New floor	819.8	831.7	741.3	700

Item	Main	Standard	Rapid
	0	0	0
	28	21	7
	38	22	16
	41	16	25
	0	0	0
	0	0	0
History	107	59	48

Games since
	Main 71	Standard 48		Rapid 23		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3079		1006		421
Male	2415		747		331
U18	468		137		53
U18 Male	388		106		41
Standard
	RSA		Province		Region
Overall	2863		813		357
Male	2282		608		281
U18	460		117		50
U18 Male	391		92		41
Rapid
	RSA		Province		Region
Overall	1728		855		324
Male	1303		634		271
U18	193		93		29
U18 Male	161		76		25
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	28	16	57.14	60.7	1282.5	1343.2
Standard	21	13	61.9	101.2	1268	1369.2
Rapid	7	3	42.86	-60.7	1326	1265.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	107	49	45.79	-35.7	1286.6	1250.8
Standard	59	31	52.54	21.6	1268.1	1289.7
Rapid	48	18	37.5	-106.2	1309.3	1203
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1319.8	1331.7	1188.8	1200
2025-09-30	1287.9	1293.5	1162.5	1200
2025-09-01	1253.3	1258.2	1162.5	1200
2025-08-01	1225.8	1225.9	1162.5	1200
2025-07-01	1225.6	1225.4	1162.5	1200
2025-06-01	1225.2	1224.9	1162.5	1200
2025-05-01	1224.7	1224.3	1162.5	1200
2025-04-01	1224.2	1223.7	1162.5	1200
2025-03-01	1223.3	1223	1162.5	1200
2025-02-01	1227.1	1234.5	1161.4	1200
2025-01-01	1227.1	1234.5	1135.5	1200
2024-12-01	1227.1	1234.5	1135.5	1200
2024-11-01	1227.1	1234.5	1135.5	1200
2024-10-01	1227.1	1234.5	1135.5	1200
2024-09-01	1227.1	1234.5	1135.5	1200
2024-08-01	1227.1	1234.5	1135.5	1200
2024-07-01	1227.1	1234.5	1135.5	1200
2024-09-01	1227.1	1234.5	1135.5	1200
2024-05-01	1250.1	1213.6	1241.3	1200
2024-04-01	1225.2	1213.6	1202.4	1200
2024-03-01	1215.4	1199.9	1202.4	1200
2024-02-01	1218.7	1201	1202.4	1200
2024-01-01	1218.7	1201	1202.4	1200
2023-12-01	1218.7	1201	1202.4	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	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Royal Rapid Challenge 2025 (B)	2025-10-04	2025-10-04	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
3	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
4	CT Metro District East Top Schools Chess 2025 (U19)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	3	2.5	Yes	Analysis
5	CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Royal Rapid Challenge 2025 (B)	2025-10-04	2025-10-04	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
3	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
4	CT Metro District East Top Schools Chess 2025 (U19)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	3	2.5	Yes	Analysis
5	CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
6	Cape Town Junior League Finals 2024 (U18 Open A)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	5	5	0	Yes	Analysis
7	Steinitz Chess Festival 2024 (Open)	2024-05-10	2024-05-12	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
8	Cape Town Junior League - Qualifier 2 2024 (U18)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
9	Cape Town Junior League Qualifier 2024 (U18 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	5	3.5	Yes	Analysis
10	Cape Town Open Chess Championship 2024 (Beginner)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
11	Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
12	CT District East Schools Chess Individuals Trails 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
13	Chess Elevation Series 2023 (Level 1A)	2023-11-03	2023-11-04	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
14	Chess Challengers Championship � High School 2023 (U15)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
15	Western Cape Closed Championship 2023 (U16)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
16	WP Club League 2023 (D2)	2023-08-05	2023-08-26	Standard	Cape Town (WCT)	6	2	2	Yes	Analysis
17	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	4	1.5	Yes	Analysis
18	Curro Durbanville Chess Open Rapid 2023 (Intermediate)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
19	WP Closed 2023 (U16)	2023-06-16	2023-06-17	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
20	GPCA Rapid 2023 (Advanced)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Paarl Boys' High School Chess Festival 2025				Tournament Paarl Boys' High School Chess Festival 2025
		date 2025-10-17	rnd 2	type Standard	result 0.5	date 2025-10-18	rnd 6	type Standard	result 0.5
		Opponent Taljaard, M (Morne)				Opponent Kearns, C (Cullen)
2	5	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 3	type Rapid	result 0.5	date 2024-04-20	rnd 1	type Rapid	result 0.5
		Opponent Liao, B (Bruce)				Opponent Koen, E (Eerhard)
3	4	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Govender, V (Vidharan)				Opponent Moolman, Z (Zineqa)

#	Games	Start				End
1	4	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Govender, V (Vidharan)				Opponent Moolman, Z (Zineqa)
2	4	Tournament WP Closed 2023				Tournament WP Club League 2023
		date 2023-06-17	rnd 5	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Moyakhe, L (Lisakhanya)
3	3	Tournament Steinitz Chess Festival 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-05-12	rnd 5	type Standard	result 0.5	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Mani, N (Ntlahla)				Opponent Makhalime, B (Brian)

#	Games	Start				End
1	5	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 3	type Rapid	result 0.5	date 2024-04-20	rnd 1	type Rapid	result 0.5
		Opponent Liao, B (Bruce)				Opponent Koen, E (Eerhard)
2	2	Tournament Chess Challengers Championship � High School 2023				Tournament Chess Challengers Championship � High School 2023
		date 2023-10-14	rnd 4	type Rapid	result 1	date 2023-10-14	rnd 5	type Rapid	result 1
		Opponent Silander, S (Storm)				Opponent Whyatt, B (Benji)
3	2	Tournament Western Cape Closed Championship 2023				Tournament Western Cape Closed Championship 2023
		date 2023-09-23	rnd 5	type Rapid	result 0.5	date 2023-09-23	rnd 6	type Rapid	result 1
		Opponent Roux, A (Andre)				Opponent Pretorius, A (Amanda Karen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Qualifier 2024
		date 2024-04-06	rnd 4	type Rapid	result 1	date 2024-04-06	rnd 6	type Rapid	result 1
		Opponent Toontjies, J (Jaye-Lynne)				Opponent Martin, F (Faith)
2	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 5	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Leyer, C (Callum)				Opponent Nabo, B (Banele)
3	2	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Nikelo, L (Liyema)				Opponent Moolman, Z (Zineqa)

#	Games	Start				End
1	4	Tournament WP Closed 2023				Tournament WP Club League 2023
		date 2023-06-17	rnd 5	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Hector, K (Kida)				Opponent Moyakhe, L (Lisakhanya)
2	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 5	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Leyer, C (Callum)				Opponent Nabo, B (Banele)
3	2	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Nikelo, L (Liyema)				Opponent Moolman, Z (Zineqa)

#	Games	Start				End
1	3	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Qualifier 2024
		date 2024-04-06	rnd 4	type Rapid	result 1	date 2024-04-06	rnd 6	type Rapid	result 1
		Opponent Toontjies, J (Jaye-Lynne)				Opponent Martin, F (Faith)
2	2	Tournament Chess Challengers Championship � High School 2023				Tournament Chess Challengers Championship � High School 2023
		date 2023-10-14	rnd 4	type Rapid	result 1	date 2023-10-14	rnd 5	type Rapid	result 1
		Opponent Silander, S (Storm)				Opponent Whyatt, B (Benji)
3	2	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Risseeuw, C (Christopher)				Opponent Gordon, E (Eugene)

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	Nieuwoudt ,H (Hein)	3	0	-425	1	0	-425	2	0	-425	0	0	0
1	Nieuwoudt ,H (Hein)	3	1356.6	931.6	1	1366.5	931.6	2	1295.6	931.6	0	0	0
2	Steele ,A (Aiden)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
2	Steele ,A (Aiden)	2	1246.1	1033.6	1	1213.3	821.1	1	1240	1246.1	0	0	0
3	Hector ,K (Kida)	2	2	425	1	1	425	1	1	425	0	0	0
3	Hector ,K (Kida)	2	1223.2	1648.2	1	1211.2	1648.2	1	1260	1648.2	0	0	0
4	Whyatt ,B (Benji)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Whyatt ,B (Benji)	2	1406.8	1406.8	1	1475.1	981.8	1	1414.1	1831.8	0	0	0
5	Adams ,K (Kyron)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Adams ,K (Kyron)	2	1427.8	1002.8	1	1387.8	1002.8	1	1350	1002.8	0	0	0
6	Klopper ,B (Ben)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Klopper ,B (Ben)	1	1543.6	1118.6	1	1421.6	1118.6	0	0	0	0	0	0
7	Goosen ,P (Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Goosen ,P (Pierre)	1	1432.8	1007.8	1	1417.9	1007.8	0	0	0	0	0	0
8	Kearns ,C (Cullen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Kearns ,C (Cullen)	1	1422.9	1422.9	1	1422.4	1422.9	0	0	0	0	0	0
9	Nabo ,B (Banele)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nabo ,B (Banele)	1	1236.3	1661.3	1	1199.8	1661.3	0	0	0	0	0	0
10	Nortje ,M (Melvinia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Nortje ,M (Melvinia)	1	971.1	971.1	1	960	971.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Koegelenberg, U (Ulrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms