Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hamilton-Hall, R (Riley)

Chess SA id

1070139583

FIDE id

Date of birth

2007-06-15 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1422	1376.5	1406.1	1200
Raw rating	1412.1	1376.5	1406.1	1200
Weighted rating	1422	1368.6	1395.6	1200
Weighted performance	1300.9	1293.4	1188.5	0
Floor	956.5	923.9	906.1	700
K-factor	32	32	32	36
Min/Max rating change allowed	122.6	128.9	123.6	165.8
Highest rating	1463.2 2024-05-01	1423.9 2025-09-30	1477.3 2024-05-01	1200 2018-10-01
Highest raw rating	1456.5 2025-09-30	1423.9 2025-09-30	1406.1 2024-11-01	1200 2024-02-01
Highest weighted rating	1419.2 2025-11-01	1362.2 2025-11-01	1372.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1463.2 2025-06-01	1420.6 2025-09-01	1477.3 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.1	0	0	0
New rating	1423.1	1376.5	1406.1	1200
Analysis
Rating	1422	1376.5	1406.1	1200
Raw rating	1412.1	1376.5	1406.1	1200
Weighted rating	1422	1368.6	1395.6
Weighted performance	1300.9	1293.4	1188.5
K-factor	32	32	32	36
Floor	956.5	923.9	906.1	700
Max/Min rating change allowed	122.6	128.9	123.6	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	1412.1	1376.5	1406.1	1200
New weighted rating	1423.1	1371.6	1398.4	1200
New weighted performance	1291.8	1284.4	1178.8	0
Temp new rating	1423.1	1376.5	1406.1	1200
Temp new rating +/-	1.1	0	0	0
Final new rating +/-	1.1	0	0	0
New rating	1423.1	1376.5	1406.1	1200
New K-factor	32	32	32	36
New floor	956.5	923.9	906.1	700

Item	Main	Standard	Rapid
	0	0	0
	21	21	0
	55	34	21
	38	33	5
	40	40	0
	0	0	0
History	154	128	26

Games since
	Main 76	Standard 55		Rapid 21		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1974		688		100
Male	1627		557		79
U20	167		52		16
U20 Male	138		39		12
Standard
	RSA		Province		Region
Overall	2345		878		120
Male	1893		708		100
U20	191		64		15
U20 Male	144		46		12
Rapid
	RSA		Province		Region
Overall	508		87		23
Male	435		70		13
U20	25		2		2
U20 Male	22		1		1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	21	13.5	64.29	121.4	1294.5	1415.9
Standard	21	13.5	64.29	121.4	1294.5	1415.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	154	92	59.74	82.8	1246.5	1329.3
Standard	128	70	54.69	39.8	1243.7	1283.6
Rapid	26	22	84.62	294.2	1260	1554.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1412.1	1376.5	1406.1	1200
2025-11-30	1412.1	1376.5	1406.1	1200
2025-11-01	1412.1	1376.5	1406.1	1200
2025-09-30	1456.5	1423.9	1406.1	1200
2025-09-01	1454.1	1419.7	1406.1	1200
2025-08-01	1446	1403.6	1406.1	1200
2025-07-01	1446	1403.6	1406.1	1200
2025-06-01	1446	1403.6	1406.1	1200
2025-05-01	1436.3	1377.1	1406.1	1200
2025-04-01	1436.3	1377.1	1406.1	1200
2025-03-01	1436.3	1377.1	1406.1	1200
2025-02-01	1430.5	1351.8	1406.1	1200
2025-01-01	1430.5	1351.8	1406.1	1200
2024-12-01	1430.5	1351.8	1406.1	1200
2024-11-01	1430.5	1351.8	1406.1	1200
2024-10-01	1371.5	1309.7	1353.7	1200
2024-09-01	1343.9	1254.3	1353.7	1200
2024-11-01	1343.9	1254.3	1353.7	1200
2024-07-01	1377.9	1285.3	1353.7	1200
2024-06-01	1410.4	1302.9	1353.7	1200
2024-05-01	1330.1	1250.7	1295.7	1200
2024-04-01	1345	1255.4	1295.7	1200
2024-03-01	1268	1255.4	1228	1200
2024-02-01	1268	1255.4	1228	1200

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	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	2	1.5	Yes	Analysis
3	Ekurhuleni North Schools Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
4	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	Benoni High School Cluster 15Feb 2025 (U18 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
6	JCC St Peters Sports & Cultural Festival 2024	2024-09-20	2024-09-21	Standard	Johannesburg Metro (GJM)	6	6	4.5	Yes	Analysis
7	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
8	Ekurhuleni North Schools Finals - Teams 2024 (U17 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
9	Ekurhuleni Trails 2 2024 (U18-U20)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
10	Ekurhuleni Trails 1 2024 (U18+U20)	2024-06-01	2024-06-01	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
11	Ekurhuleni North High School Individuals 2024 (U18 Boys)	2024-05-24	2024-05-24	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
12	Benoni Cluster High Schools Teams 2024 (U17)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	4	4	Yes	Analysis
13	Ekurhuleni Open 2024 (C)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	Ekurhuleni North Chess Club Open Tournament 2024 (C)	2024-03-02	2024-03-02	Rapid	Ehlanzeni (MEN)	7	7	4	Yes	Analysis
15	Benoni High Schools Cluster Individuals 2024 (U18 Boys)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
16	2024 Gauteng Inter-Region Chess Championship (U18B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
17	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
18	Ekurhuleni North School Teams 2023 (U19)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
19	Gauteng Open Arnold Classic 2023 (C)	2023-05-20	2023-05-20	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	Ekurhuleni North Schools Individual Finals 2023 (U18 Boys)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
21	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
22	Ekurhuleni Trials 2 2023 (U18)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
23	Ekhuruleni Chess Trials 1 2023 (U18)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	Ekurhuleni Springs Open 4 March 2023 (C)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
25	ACB Tournament 2022 (B)	2022-10-08	2022-10-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
26	Ekurhuleni Chess Springs Club Open 2022 (E)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
27	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
28	Alberton Chess Club Open 2022 (D)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	Ekurhuleni Trials 2 2022 (U16)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
30	Ekurhuleni Trials 1 2022 (U16)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
31	ACB Premier 2022 (High School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
32	ACB Premier 2022 (U15)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	7	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-05-24	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, A (Alexander)				Opponent Selopyane, N (Nhlanhla)
2	8	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament Gauteng Top Schools 2024
		date 2024-09-21	rnd 4	type Standard	result 0.5	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Mbuyamba, P (Pickam)				Opponent Mesele, O (Oboitshepo)
3	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Page, A (Ayden)				Opponent Posthumus, T (Tristann)

#	Games	Start				End
1	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Page, A (Ayden)				Opponent Posthumus, T (Tristann)
2	6	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-09-20	rnd 2	type Standard	result 1
		Opponent Meyer, C (Celise)				Opponent Murinda, A (Adonia)
3	5	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Munyaka, R (Rowan)				Opponent Botes, L (Liam)

#	Games	Start				End
1	14	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Gauteng Top Schools 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tshikila, S (Sothando)				Opponent Mesele, O (Oboitshepo)
2	4	Tournament Benoni Cluster High School League 2023				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Mahlangu, V (Vusumuti)				Opponent Voogt, R (Ruan)
3	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent De Swardt, S (Stephan)				Opponent Sadalla, J (Johnny)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-04-06	rnd 3	type Standard	result 1	date 2024-05-24	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, A (Alexander)				Opponent Selopyane, N (Nhlanhla)
2	7	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament Gauteng Top Schools 2024
		date 2024-09-21	rnd 5	type Standard	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Ayong, C (Chol)				Opponent Mesele, O (Oboitshepo)
3	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Page, A (Ayden)				Opponent Posthumus, T (Tristann)

#	Games	Start				End
1	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Page, A (Ayden)				Opponent Posthumus, T (Tristann)
2	6	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-09-20	rnd 2	type Standard	result 1
		Opponent Meyer, C (Celise)				Opponent Murinda, A (Adonia)
3	5	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Munyaka, R (Rowan)				Opponent Botes, L (Liam)

#	Games	Start				End
1	14	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Gauteng Top Schools 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tshikila, S (Sothando)				Opponent Mesele, O (Oboitshepo)
2	4	Tournament Benoni Cluster High School League 2023				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Mahlangu, V (Vusumuti)				Opponent Voogt, R (Ruan)
3	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent De Swardt, S (Stephan)				Opponent Sadalla, J (Johnny)

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	Bhika ,J (Jyotikka)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Bhika ,J (Jyotikka)	3	1206.6	1348.3	3	1151.6	1348.3	0	0	0	0	0	0
2	Sokhela ,N (Nkazimulo)	2	1	0	2	1	0	0	0	0	0	0	0
2	Sokhela ,N (Nkazimulo)	2	1248.9	1248.9	2	1249	1248.9	0	0	0	0	0	0
3	Helmbold ,K (Kurt)	2	2	425	2	2	425	0	0	0	0	0	0
3	Helmbold ,K (Kurt)	2	1254.6	1679.6	2	1239.3	1679.6	0	0	0	0	0	0
4	Zingoni ,N (Ngaakudzwe)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Zingoni ,N (Ngaakudzwe)	2	1550.7	1125.7	2	1565.8	1125.7	0	0	0	0	0	0
5	Mabotja ,T (Thabo)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Mabotja ,T (Thabo)	2	1199.2	986.8	2	1198.6	986.8	0	0	0	0	0	0
6	Posthumus ,T (Tristann)	2	1	0	2	1	0	0	0	0	0	0	0
6	Posthumus ,T (Tristann)	2	1360	1360	2	1360.5	1360	0	0	0	0	0	0
7	Kriel ,D (Devin)	2	2	425	2	2	425	0	0	0	0	0	0
7	Kriel ,D (Devin)	2	1155.5	1580.5	2	1189.6	1580.5	0	0	0	0	0	0
8	Mbhiaza ,H (Hloniphani)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mbhiaza ,H (Hloniphani)	2	989	564	2	978	564	0	0	0	0	0	0
9	Letlonkane ,K (Keanetse)	2	1	0	2	1	0	0	0	0	0	0	0
9	Letlonkane ,K (Keanetse)	2	1371.8	1371.8	2	1371.7	1371.8	0	0	0	0	0	0
10	Okafor ,G (Grace)	2	2	425	2	2	425	0	0	0	0	0	0
10	Okafor ,G (Grace)	2	1111.4	1536.4	2	1082.2	1536.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Hamilton-Hall, R (Riley)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms