Chess South Africa Ratings Database

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Personal

Claassen, U (Uthan)

Chess SA id

1110147020

FIDE id

Date of birth

2011-02-07 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1248.7

Item	Main	Standard	Rapid	Blitz
Rating	1343.8	1340.5	1279.6	1200
Raw rating	1340.8	1336.3	1279.6	1200
Weighted rating	1343.8	1340.5	1278.8	1200
Weighted performance	1171.9	1194.3	991.9	0
Floor	859	852.6	797.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.7	136.5	148	165.8
Highest rating	1359 2024-06-01	1352.6 2024-06-01	1297.1 2023-10-01	1200 2018-10-01
Highest raw rating	1359 2024-06-01	1352.6 2024-06-01	1297.1 2023-10-01	1200 2024-02-01
Highest weighted rating	1359 2025-06-01	1352.6 2025-06-01	1297.1 2025-05-05	1200 2018-10-01
Highest weighted performance	1311.7 2025-04-01	1295.4 2025-01-01	1292.3 2023-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.6	0	0
New rating	1344.3	1341.1	1279.6	1200
Analysis
Rating	1343.8	1340.5	1279.6	1200
Raw rating	1340.8	1336.3	1279.6	1200
Weighted rating	1343.8	1340.5	1278.8
Weighted performance	1171.9	1194.3	991.9
K-factor	36	36	36	36
Floor	859	852.6	797.1	700
Max/Min rating change allowed	135.7	136.5	148	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	1340.8	1336.3	1279.6	1200
New weighted rating	1344.3	1341.1	1278.8	1200
New weighted performance	1164.1	1186.3	984.6	0
Temp new rating	1344.3	1341.1	1279.6	1200
Temp new rating +/-	0.5	0.6	0	0
Final new rating +/-	0.5	0.6	0	0
New rating	1344.3	1341.1	1279.6	1200
New K-factor	36	36	36	36
New floor	859	852.6	797.1	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	28	17	11
	51	23	28
	10	4	6
	0	0	0
History	104	59	45

Games since
	Main 48	Standard 32		Rapid 16		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2789		893		384
Male	2230		683		308
U16	446		152		52
U16 Male	333		108		37
Standard
	RSA		Province		Region
Overall	2763		778		346
Male	2212		585		273
U16	447		141		50
U16 Male	338		99		35
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	15	5.5	36.67	-113.3	1375.8	1262.5
Standard	15	5.5	36.67	-113.3	1375.8	1262.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	104	53.5	51.44	12.3	1289	1301.3
Standard	59	29	49.15	-7.2	1311.6	1304.4
Rapid	45	24.5	54.44	37.8	1259.3	1297.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1340.8	1336.3	1279.6	1200
2025-09-30	1340.8	1336.3	1279.6	1200
2025-09-01	1340.8	1336.3	1279.6	1200
2025-08-01	1340.8	1336.3	1279.6	1200
2025-07-01	1337	1331.3	1279.6	1200
2025-06-01	1348.9	1344.3	1279.6	1200
2025-05-01	1348.9	1344.3	1279.6	1200
2025-04-01	1348.9	1344.3	1279.4	1200
2025-03-01	1352.6	1351.9	1279	1200
2025-02-01	1349.3	1352.6	1277.9	1200
2025-01-01	1349.3	1352.6	1271.9	1200
2024-12-01	1349.3	1352.6	1271.9	1200
2024-11-01	1349.3	1352.6	1271.9	1200
2024-10-01	1349.3	1352.6	1271.9	1200
2024-09-01	1349.3	1352.6	1271.9	1200
2024-08-01	1349.3	1352.6	1271.9	1200
2024-07-01	1359	1352.6	1293.1	1200
2024-09-01	1359	1352.6	1293.1	1200
2024-05-01	1336.3	1318.4	1293.1	1200
2024-04-01	1336.3	1318.4	1293.1	1200
2024-03-01	1303.8	1289.6	1276.9	1200
2024-02-01	1268.5	1242.1	1276.9	1200
2024-01-01	1268.5	1242.1	1276.9	1200
2023-12-01	1268.5	1242.1	1276.9	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	Helderberg Chess Club Open 2025 (B)	2025-06-07	2025-06-08	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
3	2025 District Central Schools Chess Individual Trials (U15 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2025 (B)	2025-06-07	2025-06-08	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
3	2025 District Central Schools Chess Individual Trials (U15 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
4	Metro South Top Schools 2024 (U13)	2024-07-27	2024-07-28	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U13 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	Cape Town Open Rapid Chess Championship 2024 (U14)	2024-03-16	2024-03-16	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
8	District South Schools Chess Individual Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	0	0	No	Analysis
9	District South Schools Chess Individual Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
10	Rylib Summer Slam 2023 (Development)	2023-12-12	2023-12-12	Rapid	Cape Town (WCT)	6	5	2.5	Yes	Analysis
11	WP Club League 2023 (D1)	2023-07-29	2023-08-19	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
12	CW Top Schools 2023 (U14)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
13	Rylib Chess Winter Slam 2023 (C)	2023-07-06	2023-07-06	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
14	Curro Durbanville Chess Open Rapid 2023 (U14)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
15	GPCA Rapid 2023 (U14)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
16	Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
17	District South Schools Chess Individual Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
18	Cape of Good Hope Open 2023 (U14)	2023-01-28	2023-01-28	Rapid	Cape Town (WCT)	6	4	1	Yes	Analysis
19	Summer Slam 2022 (C)	2022-12-13	2022-12-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
20	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	4	0	Yes	Analysis

#	Games	Start				End
1	6	Tournament Metro South Top Schools 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-07-28	rnd 3	type Rapid	result 0.5	date 2025-02-01	rnd 3	type Standard	result 0.5
		Opponent Mkwana, U (Uviwe)				Opponent Lee, S (Shakoor)
2	6	Tournament District South Schools Chess Individual Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Sissing, K (Kaylem)				Opponent Naude, L (Lian)
3	6	Tournament Rylib Chess Winter Slam 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-06	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Scheepers, R (Riko)

#	Games	Start				End
1	6	Tournament District South Schools Chess Individual Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Sissing, K (Kaylem)				Opponent Naude, L (Lian)
2	4	Tournament 2025 District Central Schools Chess Individual Trials				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-01	rnd 5	type Standard	result 0.5	date 2025-03-01	rnd 2	type Standard	result 0.5
		Opponent Breed, M (Mattys)				Opponent Cockin, R (Ruan)
3	4	Tournament Western Cape PS Individuals Championship 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-05-05	rnd 6	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 0.5
		Opponent De Villiers, J (Jean)				Opponent Lee, S (Shakoor)

#	Games	Start				End
1	6	Tournament Rylib Chess Winter Slam 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-06	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Scheepers, R (Riko)
2	3	Tournament Metro South Top Schools 2024				Tournament Metro South Top Schools 2024
		date 2024-07-28	rnd 3	type Rapid	result 0.5	date 2024-07-28	rnd 5	type Rapid	result 1
		Opponent Mkwana, U (Uviwe)				Opponent Ngaliphi, S (Simamkele)
3	2	Tournament Cape Town Open Rapid Chess Championship 2024				Tournament Cape Town Open Rapid Chess Championship 2024
		date 2024-03-16	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 0.5
		Opponent Adolf, F (Feraydo)				Opponent Ebrahim, N (Nabeelah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Rylib Chess Winter Slam 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-06	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Scheepers, R (Riko)
2	5	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament CW Top Schools 2023
		date 2023-07-15	rnd 6	type Rapid	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Van Zyl, M (Martin)				Opponent Lee, S (Shakoor)
3	3	Tournament Metro South Top Schools 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-07-28	rnd 4	type Rapid	result 1	date 2025-01-31	rnd 1	type Standard	result 1
		Opponent Harris, R (Rayaan)				Opponent Keita, M (Mohamed)

#	Games	Start				End
1	4	Tournament WP Club League 2023				Tournament CW Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Toontjies, J (Jaye-Lynne)				Opponent Lee, S (Shakoor)
2	3	Tournament District South Schools Chess Individual Trials 2024				Tournament District South Schools Chess Individual Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Sissing, K (Kaylem)				Opponent Fourie, O (Oliver)
3	3	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Siebritz, N (Noelle)				Opponent Schoeman, M (Mischke)

#	Games	Start				End
1	6	Tournament Rylib Chess Winter Slam 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-06	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Scheepers, R (Riko)
2	2	Tournament Metro South Top Schools 2024				Tournament Metro South Top Schools 2024
		date 2024-07-28	rnd 4	type Rapid	result 1	date 2024-07-28	rnd 5	type Rapid	result 1
		Opponent Harris, R (Rayaan)				Opponent Ngaliphi, S (Simamkele)
3	2	Tournament Cape Town Open Rapid Chess Championship 2024				Tournament Cape Town Open Rapid Chess Championship 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-03-16	rnd 2	type Rapid	result 1
		Opponent Chindiwawa, C (Claudius)				Opponent Stewart, D (Damian)

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	Lee ,S (Shakoor)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Lee ,S (Shakoor)	3	1307	1590.4	3	1313.5	1590.4	0	0	0	0	0	0
2	Combrink ,C (Christopher)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Combrink ,C (Christopher)	2	1407.1	982.1	1	1319.5	982.1	1	1232.5	982.1	0	0	0
3	Els ,A (Aiden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Els ,A (Aiden)	2	1396.5	971.5	1	1461.2	971.5	1	1319	971.5	0	0	0
4	Maruma ,KB (Kamogelo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Maruma ,KB (Kamogelo)	2	1466.7	1041.7	1	1495.4	1041.7	1	1434.9	1041.7	0	0	0
5	Ebrahim ,N (Nabeelah)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
5	Ebrahim ,N (Nabeelah)	2	1438.1	1650.6	0	0	0	2	1453.7	1650.6	0	0	0
6	Macilikishe ,A (Anda)	1	1	425	1	1	425	0	0	0	0	0	0
6	Macilikishe ,A (Anda)	1	1118.1	1543.1	1	1111.6	1543.1	0	0	0	0	0	0
7	Siebritz ,N (Noelle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Siebritz ,N (Noelle)	1	1172.8	1597.8	1	1200	1597.8	0	0	0	0	0	0
8	Kruger ,A (Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kruger ,A (Aiden)	1	1678.5	1253.5	1	1652.8	1253.5	0	0	0	0	0	0
9	Steenkamp ,E (Eugene)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Steenkamp ,E (Eugene)	1	1458.5	1033.5	1	1427.5	1033.5	0	0	0	0	0	0
10	Johnson ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Johnson ,H (Heinrich)	1	1698.6	1273.6	1	1698.6	1273.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Claassen, U (Uthan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms