Chess South Africa Ratings Database

PLAYER PAGE

Personal

O Bryan, J (Jordan)

Chess SA id

1160301338

FIDE id

Date of birth

2016-07-26 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

16.5

Junior GPX Points

1085.8

Item	Main	Standard	Rapid	Blitz
Rating	1212	1205	1239.6	1200
Raw rating	1212	1198	1239.6	1200
Weighted rating	1204.6	1205	1207	1200
Weighted performance	1153	0	0	0
Floor	722.5	719.3	739.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	163	166.3	156.7	165.8
Highest rating	1222.5 2025-05-05	1219.3 2025-05-05	1239.6 2025-09-01	1200 2024-04-01
Highest raw rating	1222.5 2025-05-05	1219.3 2025-05-05	1239.6 2025-09-01	1200 2024-04-01
Highest weighted rating	1222.5 2025-05-05	1205.8 2025-08-01	1208.2 2024-11-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-04-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.4	0	0
New rating	1212	1204.6	1239.6	1200
Analysis
Rating	1212	1205	1239.6	1200
Raw rating	1212	1198	1239.6	1200
Weighted rating	1204.6	1205	1207
Weighted performance	1153	0	0
K-factor	36	36	36	36
Floor	722.5	719.3	739.6	700
Max/Min rating change allowed	163	166.3	156.7	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	1212	1198	1239.6	1200
New weighted rating	1205.4	1204.6	1209.9	1200
New weighted performance	1152.6	0	0	0
Temp new rating	1212	1204.6	1239.6	1200
Temp new rating +/-	0	-0.4	0	0
Final new rating +/-	0	-0.4	0	0
New rating	1212	1204.6	1239.6	1200
New K-factor	36	36	36	36
New floor	722.5	719.3	739.6	700

Item	Main	Standard	Rapid
	0	0	0
	23	10	13
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	28	10	18

Games since
	Main 28	Standard 10		Rapid 18		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	23	12	52.17	18.5	1199	1217.4
Standard	10	5	50	0	1205.3	1205.3
Rapid	13	7	53.85	32.7	1194.1	1226.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	28	14.5	51.79	15.2	1198.2	1213.4
Standard	10	5	50	0	1205.3	1205.3
Rapid	18	9.5	52.78	23.6	1194.3	1217.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1212	1198	1239.6	1200
2025-09-01	1212	1198	1239.6	1200
2025-08-01	1203	1219.3	1200.8	1200
2025-07-01	1202.8	1219.3	1200.6	1200
2025-06-01	1202.5	1219.3	1198.5	1200
2025-05-01	1222.5	1219.3	1208.2	1200
2025-04-01	1207.8	1200	1208.2	1200
2025-03-01	1207.8	1200	1208.2	1200
2025-02-01	1207.8	1200	1208.2	1200
2025-01-01	1198.3	1200	1196.8	1200
2024-12-01	1198.3	1200	1196.8	1200
2024-11-01	1198.3	1200	1196.8	1200
2024-10-01	1198.3	1200	1196.8	1200
2024-09-01	1198.3	1200	1196.8	1200
2024-08-01	1198.3	1200	1196.8	1200
2024-07-01	1198.3	1200	1196.8	1200
2024-06-01	1198.3	1200	1196.8	1200
2024-08-01	1198.3	1200	1196.8	1200
2024-04-01	1198.3	1200	1196.8	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
3	RMS Rapid Chess Open 31 May 2025 (U9)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	2	0	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	LS Northmead Trials 2025 (U9)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
3	RMS Rapid Chess Open 31 May 2025 (U9)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	2	0	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	LS Northmead Trials 2025 (U9)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	Benoni Primary School Cluster Individuals 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Marais, D (Daniel)
2	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Dormehl, N (Nathan)				Opponent Roman, J (Jasmika)
3	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Maharaj, K (Kiaan)				Opponent Greyling, C (Cyrus)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent O Connel, E (Eduan)				Opponent Roman, J (Jasmika)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Maharaj, K (Kiaan)				Opponent Greyling, C (Cyrus)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Snyman, B (Belize)				Opponent Snyman, B (Belize)

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Marais, D (Daniel)
2	3	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dormehl, N (Nathan)				Opponent Mahloko, E (El-Jireh)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Muller, R (Riaan)				Opponent Muller, R (Riaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Dormehl, N (Nathan)				Opponent Roman, J (Jasmika)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Maharaj, K (Kiaan)				Opponent Greyling, C (Cyrus)
3	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 1	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Fourie, K (Kyle)				Opponent Marais, D (Daniel)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent O Connel, E (Eduan)				Opponent Roman, J (Jasmika)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Maharaj, K (Kiaan)				Opponent Greyling, C (Cyrus)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Snyman, B (Belize)				Opponent Snyman, B (Belize)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dormehl, N (Nathan)				Opponent Mahloko, E (El-Jireh)
2	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 1	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Fourie, K (Kyle)				Opponent Marais, D (Daniel)
3	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Young, A (Aaron)

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	Marais ,D (Daniel)	2	2	425	0	0	0	2	2	425	0	0	0
1	Marais ,D (Daniel)	2	1146.6	1571.6	0	0	0	2	1113.6	1571.6	0	0	0
2	Myburgh ,E (Elijah)	2	1	0	0	0	0	2	1	0	0	0	0
2	Myburgh ,E (Elijah)	2	1180.5	1180.5	0	0	0	2	1167.6	1180.5	0	0	0
3	Garnett-Bennett ,A (Abbigail)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Garnett-Bennett ,A (Abbigail)	2	1200	775	0	0	0	2	1200	775	0	0	0
4	Horn ,H (Horatio)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Horn ,H (Horatio)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Vermeulen ,G (Gabrielle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Vermeulen ,G (Gabrielle)	1	1182.7	757.7	1	1199.6	757.7	0	0	0	0	0	0
6	Gumede ,S (Sanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Gumede ,S (Sanda)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Allagoa ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Allagoa ,A (Andre)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Greyling ,C (Cyrus)	1	1	425	1	1	425	0	0	0	0	0	0
8	Greyling ,C (Cyrus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Maharaj ,K (Kiaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maharaj ,K (Kiaan)	1	1195	1620	1	1194	1620	0	0	0	0	0	0
10	Snyman ,B (Belize)	1	1	425	1	1	425	0	0	0	0	0	0
10	Snyman ,B (Belize)	1	1199.7	1624.7	1	1199.6	1624.7	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

O Bryan, J (Jordan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms