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

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

13.3

Junior GPX Points

1220.6

Item	Main	Standard	Rapid	Blitz
Rating	1282.9	1286.5	1239.7	1200
Raw rating	1282.9	1286.5	1238.6	1200
Weighted rating	1266	1259.9	1239.7	1200
Weighted performance	1174.1	1165.6	0	0
Floor	801.1	796.1	740	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.3	146.6	157	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	1256.9 2025-08-01	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	-0.1	0
New rating	1282.9	1286.5	1239.6	1200
Analysis
Rating	1282.9	1286.5	1239.7	1200
Raw rating	1282.9	1286.5	1238.6	1200
Weighted rating	1266	1259.9	1239.7
Weighted performance	1174.1	1165.6	0
K-factor	36	36	36	36
Floor	801.1	796.1	740	700
Max/Min rating change allowed	147.3	146.6	157	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	1282.9	1286.5	1238.6	1200
New weighted rating	1270.2	1265	1239.6	1200
New weighted performance	1173.7	1165.2	0	0
Temp new rating	1282.9	1286.5	1239.6	1200
Temp new rating +/-	0	0	-0.1	0
Final new rating +/-	0	0	-0.1	0
New rating	1282.9	1286.5	1239.6	1200
New K-factor	36	36	36	36
New floor	801.1	796.1	740	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	40	40	0
	51	51	0
	49	43	6
	0	0	0
History	214	203	11

Games since
	Main 70	Standard 65		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	3350		194		158
Male	2618		161		129
U14	630		30		25
U14 Male	460		26		21
Standard
	RSA		Province		Region
Overall	3197		214		158
Male	2501		181		132
U14	608		35		25
U14 Male	440		31		21
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	10	5	50	0	1292	1292
Standard	5	3	60	85	1268.5	1353.5
Rapid	5	2	40	-85	1315.5	1230.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	214	94	43.93	-51.6	1222.7	1171.1
Standard	203	88	43.35	-56.5	1221.3	1164.8
Rapid	11	6	54.55	38.6	1248.2	1286.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-06-01	1243.9	1236.1	1240	1200
2024-08-01	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
2023-11-01	1220.9	1207.7	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	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	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	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	HaMakom�s Rise of the Pioneers 2025 (Bishops)	2025-06-21	2025-06-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	Bojanala's Battle of Mount Cambridge 2024 (Rooks)	2024-10-05	2024-10-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
4	Bojanala's Clash Of Schools 2024 (U13)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
5	Hamakom's Pioneers Of The Board 2024 (Bishops)	2024-07-13	2024-07-13	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
6	Bojanala Circuit Championship 2 of 4 2024 (U14)	2024-06-15	2024-06-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
7	Bojanala Circuit Championship 1 of 4 2024 (U14)	2024-05-25	2024-05-25	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
8	Spartan Bishops Chess Championships 2024 (Senior Pawns)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
9	Bojanala's Rating Express 2024 (Bishops)	2024-04-06	2024-04-06	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
10	Schoemies' Kings & Queens 2024 (Knights)	2024-03-02	2024-03-02	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
11	2023 Cross Border Chess Championships Gaborone vs Bojanala	2023-12-14	2023-12-14	Standard	Botswana (BOT)	10	10	2.5	Yes	Analysis
12	Bojanala's Merry ChessMas 2023 (Knights)	2023-12-09	2023-12-09	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
13	West Rand vs Bojanala Inter-Regional Championships 2023 (U12)	2023-10-14	2023-10-14	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
14	Bojanala's Spring Cleaning 2023 (Knights)	2023-08-26	2023-08-26	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
15	Bojanala's FIDE in the Sparkling Waters 2023 (Junior)	2023-07-29	2023-07-29	Standard	Bojanala Platina (NBR)	6	6	3	Yes	Analysis
16	Olienpark - 2nd One for the Ages 2023 (U12)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
17	Nories Make It Happen 2023 (Knights)	2023-03-04	2023-03-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
18	One For The Ages 2023 (U12)	2023-02-18	2023-02-18	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
19	Harties Wolf Pack 2023 (Knights)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
20	West Rand vs Bojanala 2022 (U12B)	2022-11-05	2022-11-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
21	Super 8 Skaak 2022 (Seniors)	2022-10-14	2022-10-14	Rapid	Bojanala Platina (NBR)	7	6	4	Yes	Analysis
22	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
23	Larries The Final Wild Card Tournament 2022 (U12)	2022-09-17	2022-09-17	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
24	Bojanala SAJCC Trials 2022 (U12)	2022-09-23	2022-09-23	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
25	Bojanala Chess Federation Wildcards 2022 (U12)	2022-08-20	2022-08-20	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
26	Bojanala Chess Federation Clash of Schools 2022 (PS Championship)	2022-07-22	2022-07-22	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
27	One For The Ages 2022 (U12)	2022-07-16	2022-07-16	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
28	RHS Know Thyself 2022 (C)	2022-04-23	2022-04-23	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
29	Lebone II 2022 (D)	2022-02-12	2022-02-12	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
30	Hoerskool Brits Toernooi 2020 (U10)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
31	Lebone II 2020 (U10)	2020-02-15	2020-02-15	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
32	2019 Wild Card Chess Championship (U8 Open+Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
33	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
34	NW Open 2019 (U8)	2019-10-12	2019-10-12	Standard	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
35	Inter Region 2019 (U8 Open)	2019-10-19	2019-10-19	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
36	Laerskool Brits 2019 (U8)	2019-08-31	2019-08-31	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
37	Laerskool Rustenburg 2019 (U8)	2019-08-17	2019-08-17	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
38	Inter Regional Chess Championship 2019 (U8)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
39	Laerskool Olienpark 2019 (U8)	2019-04-06	2019-04-06	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
40	Hoerskool Rustenburg Skaak 2019 (U8)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
41	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 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)

#	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	Georgali ,A (Andreas)	3	0	-425	3	0	-425	0	0	0	0	0	0
7	Georgali ,A (Andreas)	3	1342.6	917.6	3	1345.4	917.6	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	Janse Van Rensburg ,J (Jean-Jaques)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
9	Janse Van Rensburg ,J (Jean-Jaques)	3	1009.4	1292.7	3	980.9	1292.7	0	0	0	0	0	0
10	Changara ,A (Adiel Tavonga)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Changara ,A (Adiel Tavonga)	3	1341.3	916.3	3	1335.5	916.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Obrien, P (Patrick)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms