Chess South Africa Ratings Database

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Personal

Obrien, P (Patrick)

Chess SA id

1120111297

FIDE id

Date of birth

2012-02-06 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-26

Personal details last changed

1900-01-01

Junior GPX Games

16.8

Junior GPX Points

1180

Item	Main	Standard	Rapid	Blitz
Rating	1284.2	1286.5	1237.5	1200
Raw rating	1284.2	1286.5	1212.6	1200
Weighted rating	1270.3	1265	1237.5	1200
Weighted performance	1180.9	1151.4	0	0
Floor	801.1	796.1	740	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.1	146.6	162.9	165.8
Highest rating	1315.1 2024-07-01	1310 2024-07-01	1347.5 2022-10-01	1200 2018-10-01
Highest raw rating	1301.1 2024-08-01	1296.1 2024-08-01	1240 2024-02-01	1200 2024-02-01
Highest weighted rating	1270.3 2025-11-01	1248.8 2025-08-01	1240 2024-10-01	1200 2018-10-01
Highest weighted performance	1315.1 2024-07-01	1310 2024-07-01	1347.5 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.1	0
New rating	1284.2	1286.5	1235.4	1200
Analysis
Rating	1284.2	1286.5	1237.5	1200
Raw rating	1284.2	1286.5	1212.6	1200
Weighted rating	1270.3	1265	1237.5
Weighted performance	1180.9	1151.4	0
K-factor	36	36	36	36
Floor	801.1	796.1	740	700
Max/Min rating change allowed	147.1	146.6	162.9	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	1284.2	1286.5	1212.6	1200
New weighted rating	1274.5	1269.9	1235.4	1200
New weighted performance	1173.6	1143.8	0	0
Temp new rating	1284.2	1286.5	1235.4	1200
Temp new rating +/-	0	0	-2.1	0
Final new rating +/-	0	0	-2.1	0
New rating	1284.2	1286.5	1235.4	1200
New K-factor	36	36	36	36
New floor	801.1	796.1	740	700

Item	Main	Standard	Rapid
	0	0	0
	17	5	12
	40	40	0
	51	51	0
	49	43	6
	0	0	0
History	221	203	18

Games since
	Main 72	Standard 60		Rapid 12		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	3410		206		162
Male	2649		170		132
U14	647		32		25
U14 Male	463		27		21
Standard
	RSA		Province		Region
Overall	3306		228		160
Male	2581		191		131
U14	623		37		24
U14 Male	440		32		20
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	17	8	47.06	-25	1314.4	1289.4
Standard	5	3	60	85	1268.5	1353.5
Rapid	12	5	41.67	-70.8	1333.6	1262.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	221	97	43.89	-51.9	1226.6	1174.7
Standard	203	88	43.35	-56.5	1221.3	1164.8
Rapid	18	9	50	0	1286.4	1286.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1284.2	1286.5	1212.6	1200
2025-09-30	1282.9	1286.5	1238.6	1200
2025-09-01	1282.9	1286.5	1238.6	1200
2025-08-01	1282.9	1286.5	1238.6	1200
2025-07-01	1293.3	1286.5	1240	1200
2025-06-01	1282	1271.3	1240	1200
2025-05-01	1282	1271.3	1240	1200
2025-04-01	1282	1271.3	1240	1200
2025-03-01	1282	1271.3	1240	1200
2025-02-01	1282	1271.3	1240	1200
2025-01-01	1282	1271.3	1240	1200
2024-12-01	1282	1271.3	1240	1200
2024-11-01	1282	1271.3	1240	1200
2024-10-01	1301.1	1296.1	1240	1200
2024-09-01	1301.1	1296.1	1240	1200
2024-08-01	1301.1	1296.1	1240	1200
2024-07-01	1249	1242	1240	1200
2024-09-01	1243.9	1236.1	1240	1200
2024-05-01	1148.9	1151.7	1240	1200
2024-04-01	1109.2	1107.1	1240	1200
2024-03-01	1059.9	1043.7	1240	1200
2024-02-01	1059.9	1043.7	1240	1200
2024-01-01	1059.9	1043.7	1240	1200
2023-12-01	1059.9	1043.7	1240	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	2025 Super 8 (Senior)	2025-09-26	2025-09-26	Rapid	Ekurhuleni (GE)	7	7	3	Yes	Analysis
2	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	HaMakom�s Rise of the Pioneers 2025 (Bishops)	2025-06-21	2025-06-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Super 8 (Senior)	2025-09-26	2025-09-26	Rapid	Ekurhuleni (GE)	7	7	3	Yes	Analysis
2	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	HaMakom�s Rise of the Pioneers 2025 (Bishops)	2025-06-21	2025-06-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
4	Bojanala's Battle of Mount Cambridge 2024 (Rooks)	2024-10-05	2024-10-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
5	Bojanala's Clash Of Schools 2024 (U13)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
6	Hamakom's Pioneers Of The Board 2024 (Bishops)	2024-07-13	2024-07-13	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
7	Bojanala Circuit Championship 2 of 4 2024 (U14)	2024-06-15	2024-06-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
8	Bojanala Circuit Championship 1 of 4 2024 (U14)	2024-05-25	2024-05-25	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
9	Spartan Bishops Chess Championships 2024 (Senior Pawns)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
10	Bojanala's Rating Express 2024 (Bishops)	2024-04-06	2024-04-06	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
11	Schoemies' Kings & Queens 2024 (Knights)	2024-03-02	2024-03-02	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
12	2023 Cross Border Chess Championships Gaborone vs Bojanala	2023-12-14	2023-12-14	Standard	Botswana (BOT)	10	10	2.5	Yes	Analysis
13	Bojanala's Merry ChessMas 2023 (Knights)	2023-12-09	2023-12-09	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
14	West Rand vs Bojanala Inter-Regional Championships 2023 (U12)	2023-10-14	2023-10-14	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
15	Bojanala's Spring Cleaning 2023 (Knights)	2023-08-26	2023-08-26	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
16	Bojanala's FIDE in the Sparkling Waters 2023 (Junior)	2023-07-29	2023-07-29	Standard	Bojanala Platina (NBR)	6	6	3	Yes	Analysis
17	Olienpark - 2nd One for the Ages 2023 (U12)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
18	Nories Make It Happen 2023 (Knights)	2023-03-04	2023-03-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
19	One For The Ages 2023 (U12)	2023-02-18	2023-02-18	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
20	Harties Wolf Pack 2023 (Knights)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
21	West Rand vs Bojanala 2022 (U12B)	2022-11-05	2022-11-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
22	Super 8 Skaak 2022 (Seniors)	2022-10-14	2022-10-14	Rapid	Bojanala Platina (NBR)	7	6	4	Yes	Analysis
23	FIDE at The King`s Gate 2.0 2022 (Junior)	2022-10-22	2022-10-22	Standard	Bojanala Platina (NBR)	5	4	2	Yes	Analysis
24	Larries The Final Wild Card Tournament 2022 (U12)	2022-09-17	2022-09-17	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
25	Bojanala SAJCC Trials 2022 (U12)	2022-09-23	2022-09-23	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
26	Bojanala Chess Federation Wildcards 2022 (U12)	2022-08-20	2022-08-20	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
27	Bojanala Chess Federation Clash of Schools 2022 (PS Championship)	2022-07-22	2022-07-22	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
28	One For The Ages 2022 (U12)	2022-07-16	2022-07-16	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
29	RHS Know Thyself 2022 (C)	2022-04-23	2022-04-23	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
30	Lebone II 2022 (D)	2022-02-12	2022-02-12	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
31	Hoerskool Brits Toernooi 2020 (U10)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
32	Lebone II 2020 (U10)	2020-02-15	2020-02-15	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
33	2019 Wild Card Chess Championship (U8 Open+Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
34	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
35	NW Open 2019 (U8)	2019-10-12	2019-10-12	Standard	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
36	Inter Region 2019 (U8 Open)	2019-10-19	2019-10-19	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
37	Laerskool Brits 2019 (U8)	2019-08-31	2019-08-31	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
38	Laerskool Rustenburg 2019 (U8)	2019-08-17	2019-08-17	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
39	Inter Regional Chess Championship 2019 (U8)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
40	Laerskool Olienpark 2019 (U8)	2019-04-06	2019-04-06	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
41	Hoerskool Rustenburg Skaak 2019 (U8)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
42	Hoerskool Brits Tournament 2019 (U8)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Laerskool Olienpark 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-06	rnd 2	type Standard	result 0.5	date 2019-04-13	rnd 2	type Standard	result 0.5
		Opponent Janse Van Rensburg, J (Jean-Jaques)				Opponent Gouws, D (Dylan)
2	5	Tournament Bojanala SAJCC Trials 2022				Tournament Super 8 Skaak 2022
		date 2022-09-23	rnd 5	type Standard	result 1	date 2022-10-14	rnd 4	type Rapid	result 1
		Opponent Monare, O (Oratilwe)				Opponent Mans, M (Milan)
3	3	Tournament 2025 Super 8				Tournament 2025 Super 8
		date 2025-09-26	rnd 1	type Rapid	result 1	date 2025-09-26	rnd 3	type Rapid	result 1
		Opponent Nel, E (Eddie)				Opponent Nel, D (Dee-Jay)

#	Games	Start				End
1	6	Tournament Laerskool Olienpark 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-06	rnd 2	type Standard	result 0.5	date 2019-04-13	rnd 2	type Standard	result 0.5
		Opponent Janse Van Rensburg, J (Jean-Jaques)				Opponent Gouws, D (Dylan)
2	3	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Matlala, L (Leano)				Opponent Motsuane, O (Omphile)
3	3	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Du Plessis, A (Alois)				Opponent Cloete, E (Emilee)

#	Games	Start				End
1	4	Tournament Super 8 Skaak 2022				Tournament Super 8 Skaak 2022
		date 2022-10-14	rnd 1	type Rapid	result 1	date 2022-10-14	rnd 4	type Rapid	result 1
		Opponent Speelman, K (Kyle)				Opponent Mans, M (Milan)
2	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Makgala, O (Olerato)				Opponent Makgala, O (Olerato)
3	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 2	type Rapid	result 1
		Opponent Locherenberg, J (Jason)				Opponent Locherenberg, J (Jason)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bojanala SAJCC Trials 2022				Tournament Super 8 Skaak 2022
		date 2022-09-23	rnd 5	type Standard	result 1	date 2022-10-14	rnd 4	type Rapid	result 1
		Opponent Monare, O (Oratilwe)				Opponent Mans, M (Milan)
2	3	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Matlala, L (Leano)				Opponent Motsuane, O (Omphile)
3	3	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Du Plessis, A (Alois)				Opponent Cloete, E (Emilee)

#	Games	Start				End
1	3	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Matlala, L (Leano)				Opponent Motsuane, O (Omphile)
2	3	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Du Plessis, A (Alois)				Opponent Cloete, E (Emilee)
3	3	Tournament Bojanala Circuit Championship 1 of 4 2024				Tournament Bojanala Circuit Championship 1 of 4 2024
		date 2024-05-25	rnd 3	type Standard	result 1	date 2024-05-25	rnd 5	type Standard	result 1
		Opponent Khosi, K (Katlego)				Opponent Mosidi, O (Ophimile Mbulelo)

#	Games	Start				End
1	4	Tournament Super 8 Skaak 2022				Tournament Super 8 Skaak 2022
		date 2022-10-14	rnd 1	type Rapid	result 1	date 2022-10-14	rnd 4	type Rapid	result 1
		Opponent Speelman, K (Kyle)				Opponent Mans, M (Milan)
2	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Makgala, O (Olerato)				Opponent Makgala, O (Olerato)
3	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 2	type Rapid	result 1
		Opponent Locherenberg, J (Jason)				Opponent Locherenberg, J (Jason)

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	Nkwe ,T (Tumalano)	6	0	-425	6	0	-425	0	0	0	0	0	0
1	Nkwe ,T (Tumalano)	6	1296	871	6	1286.3	871	0	0	0	0	0	0
2	Gouws ,K (Karah)	6	1	-283.3	6	1	-283.3	0	0	0	0	0	0
2	Gouws ,K (Karah)	6	1274.1	990.8	6	1267.6	990.8	0	0	0	0	0	0
3	Weber ,U (Ulrich)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
3	Weber ,U (Ulrich)	5	1220.3	1220.3	5	1214.9	1220.3	0	0	0	0	0	0
4	Jansen Van Vuuren ,M (Mari)	5	1	-255	5	1	-255	0	0	0	0	0	0
4	Jansen Van Vuuren ,M (Mari)	5	1154	899	5	1139.3	899	0	0	0	0	0	0
5	Monamatha ,D (Diteboho)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
5	Monamatha ,D (Diteboho)	4	1218.6	1006.1	4	1209.1	1006.1	0	0	0	0	0	0
6	Ras ,D (Daniel)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
6	Ras ,D (Daniel)	4	1252.7	1358.9	4	1242.6	1358.9	0	0	0	0	0	0
7	Sichone ,N (Niza)	3	0	-425	3	0	-425	0	0	0	0	0	0
7	Sichone ,N (Niza)	3	1421.3	996.3	3	1420.9	996.3	0	0	0	0	0	0
8	Nortman ,WJ (Wilhelmus Johan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
8	Nortman ,WJ (Wilhelmus Johan)	3	1295.2	1011.9	3	1280.5	1011.9	0	0	0	0	0	0
9	Georgali ,A (Andreas)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Georgali ,A (Andreas)	3	1342.6	917.6	3	1345.4	917.6	0	0	0	0	0	0
10	Janse Van Rensburg ,J (Jean-Jaques)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
10	Janse Van Rensburg ,J (Jean-Jaques)	3	1009.4	1292.7	3	980.9	1292.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Obrien, P (Patrick)

Ratings

Game statistics

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms