Chess South Africa Ratings Database

PLAYER PAGE

Personal

Retief, M (Matthew)

Chess SA id

1080160009

FIDE id

Date of birth

2008-12-16 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-05

Personal details last changed

1900-01-01

Junior GPX Games

49.2

Junior GPX Points

1744

Item	Main	Standard	Rapid	Blitz
Rating	1839.4	1827.6	1364.9	1200
Raw rating	1839.4	1827.6	1364.9	1200
Weighted rating	1686.3	1672.7	1321.6	1200
Weighted performance	1793.9	1795.6	0	0
Floor	1339.4	1327.6	864.9	700
K-factor	24	24	36	36
Min/Max rating change allowed	66.7	67.8	131.1	165.8
Highest rating	1839.4 2025-11-01	1827.6 2025-11-01	1629.8 2023-08-01	1200 2018-10-01
Highest raw rating	1839.4 2025-11-01	1827.6 2025-11-01	1364.9 2025-09-01	1200 2024-03-01
Highest weighted rating	1686.3 2025-11-01	1672.7 2025-11-01	1312 2025-09-01	1200 2018-10-01
Highest weighted performance	1793.9 2025-11-01	1795.6 2025-11-01	1629.8 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	10.2	12.5	0	0
New rating	1849.6	1840.1	1364.9	1200
Analysis
Rating	1839.4	1827.6	1364.9	1200
Raw rating	1839.4	1827.6	1364.9	1200
Weighted rating	1686.3	1672.7	1321.6
Weighted performance	1793.9	1795.6	0
K-factor	24	24	36	36
Floor	1339.4	1327.6	864.9	700
Max/Min rating change allowed	66.7	67.8	131.1	165.8
Games	5	5	0	0
Score	5	5	0	0
Expected score	4.58	4.48	0	0
Score-Expected	0.42	0.52	0	0
Temp raw +/-	10.2	12.5	0	0
Final raw +/-	10.2	12.5	0	0
New raw rating	1849.6	1840.1	1364.9	1200
New weighted rating	1708.1	1695.7	1326.1	1200
New weighted performance	1833.1	1835.2	0	0
Temp new rating	1849.6	1840.1	1364.9	1200
Temp new rating +/-	10.2	12.5	0	0
Final new rating +/-	10.2	12.5	0	0
New rating	1849.6	1840.1	1364.9	1200
New K-factor	24	24	36	36
New floor	1349.6	1340.1	864.9	700

Item	Main	Standard	Rapid
	0	0	0
	43	33	10
	37	32	5
	5	0	5
	0	0	0
	0	0	0
History	85	65	20

Games since
	Main 80	Standard 65		Rapid 15		Blitz 0
Gender	Male
Age group	U18
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	127		15		15
Male	121		13		13
U18	13		2		2
U18 Male	13		2		2
Standard
	RSA		Province		Region
Overall	130		15		15
Male	123		13		13
U18	15		2		2
U18 Male	15		2		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	43	27.5	63.95	118.6	1710.9	1829.5
Standard	33	19	57.58	64.4	1756.2	1820.6
Rapid	10	8.5	85	297.5	1561.2	1858.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	85	54.5	64.12	120	1605.4	1725.4
Standard	65	37	56.92	58.8	1659.7	1718.6
Rapid	20	17.5	87.5	318.8	1428.9	1747.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1839.4	1827.6	1364.9	1200
2025-09-30	1780.3	1764.9	1364.9	1200
2025-09-01	1780.3	1764.9	1364.9	1200
2025-08-01	1774.7	1764.9	1350.3	1200
2025-07-01	1774.7	1764.9	1350.3	1200
2025-06-01	1764.5	1751.2	1350.3	1200
2025-05-01	1756.8	1769.6	1295.1	1200
2025-04-01	1755.7	1768.4	1295.1	1200
2025-03-01	1755.7	1768.4	1295.1	1200
2025-02-01	1711.4	1714.1	1295.1	1200
2025-01-01	1711.4	1714.1	1295.1	1200
2024-12-01	1711.4	1714.1	1295.1	1200
2024-11-01	1625.1	1612.8	1295.1	1200
2024-10-01	1625.1	1612.8	1295.1	1200
2024-09-01	1574.2	1551.6	1295.1	1200
2024-08-01	1443.8	1330.7	1295.1	1200
2024-07-01	1415.9	1330.7	1290.4	1200
2024-09-01	1311.8	1283.9	1290.4	1200
2024-05-01	1311.8	1283.9	1290.4	1200
2024-04-01	1311.8	1283.9	1290.4	1200
2024-03-01	1295.4	1255.1	1290.4	1200
2024-02-01	1295.4	1245	1290.4	1200
2024-01-01	1264.3	1200	1290.4	1200
2023-12-01	1264.3	1200	1290.4	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Circuit Championships 4 of 4 2025 (U18)	2025-11-01	2025-11-01	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Circuit Championships 4 of 4 2025 (U18)	2025-11-01	2025-11-01	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
2	Bojanala's FIDE On The Orion Express 2025 (Queens)	2025-10-03	2025-10-05	Standard	Bojanala Platina (NBR)	6	6	3.5	Yes	Analysis
3	Bojanala's Clash Of Schools 2025 (Championship Open)	2025-08-02	2025-08-02	Rapid	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
4	Najdorf Movement 2025 (Championship)	2025-06-14	2025-06-16	Standard	Bojanala Platina (NBR)	7	7	3	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U20)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis
6	Robday Bergsig Sport Festival 2025 (Seniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
7	Bojanala's Rosewood Easter Open 2025 (Queens)	2025-04-19	2025-04-19	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
8	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
9	Bojanala Closed Chess Championships 2025 (U18)	2025-01-31	2025-02-02	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 Circuit Championships 4 of 4 2025 (U18)	2025-11-01	2025-11-01	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
2	Bojanala's FIDE On The Orion Express 2025 (Queens)	2025-10-03	2025-10-05	Standard	Bojanala Platina (NBR)	6	6	3.5	Yes	Analysis
3	Bojanala's Clash Of Schools 2025 (Championship Open)	2025-08-02	2025-08-02	Rapid	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
4	Najdorf Movement 2025 (Championship)	2025-06-14	2025-06-16	Standard	Bojanala Platina (NBR)	7	7	3	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U20)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis
6	Robday Bergsig Sport Festival 2025 (Seniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
7	Bojanala's Rosewood Easter Open 2025 (Queens)	2025-04-19	2025-04-19	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
8	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
9	Bojanala Closed Chess Championships 2025 (U18)	2025-01-31	2025-02-02	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
10	Bojanala's Brink Of Activity 2024 (Queens)	2024-11-30	2024-11-30	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
11	Bojanala's Battle In The Kloof 2024 (Queens)	2024-09-21	2024-09-21	Standard	Bojanala Platina (NBR)	5	4	2	Yes	Analysis
12	Bojanala's FIDE In The Sparkling Waters 2024 (Rooks)	2024-08-16	2024-08-18	Standard	Bojanala Platina (NBR)	6	5	5	Yes	Analysis
13	Bojanala's Clash Of Schools - Secondary 2024 (Championship)	2024-07-27	2024-07-27	Rapid	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
14	Bojanala Circuit Championship 2 of 4 2024 (U18)	2024-06-15	2024-06-15	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis
15	Bojanala Silwerrand's Rating Implosion 2024 (Queens)	2024-03-16	2024-03-16	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
16	Bojanala Closed Chess Championships Finals 2024 (U18)	2024-02-09	2024-02-11	Standard	Bojanala Platina (NBR)	5	5	0.5	Yes	Analysis
17	Bojanala Closed Chess Championships Stage 1 2024 (U18)	2024-01-27	2024-01-27	Standard	Bojanala Platina (NBR)	5	4	2	Yes	Analysis
18	Bojanala School League 2023 (U15)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Bojanala Circuit Championship 2 of 4 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Ndlovu, J (Jacob)				Opponent Riettels, C (Cameron)
2	6	Tournament Bojanala's Brink Of Activity 2024				Tournament Bojanala Closed Chess Championships 2025
		date 2024-11-30	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Sefodi, T (Tshepiso)				Opponent Sera, G (Galaletsang)
3	5	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Dikane, O (Oageng)				Opponent Chiwande, B (Bokamoso)

#	Games	Start				End
1	8	Tournament Bojanala Circuit Championship 2 of 4 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Ndlovu, J (Jacob)				Opponent Rampou, O (Oratile)
2	6	Tournament Bojanala's Brink Of Activity 2024				Tournament Bojanala Closed Chess Championships 2025
		date 2024-11-30	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Sefodi, T (Tshepiso)				Opponent Sera, G (Galaletsang)
3	4	Tournament Najdorf Movement 2025				Tournament Najdorf Movement 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-15	rnd 6	type Standard	result 0.5
		Opponent Modisane, A (Alfred)				Opponent Felix, R (Raphael)

#	Games	Start				End
1	10	Tournament Robday Bergsig Sport Festival 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-05-03	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Dlamini, M (Mofo)				Opponent Chiwande, B (Bokamoso)
2	9	Tournament Bojanala School League 2023				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mothoage, T (Theo)				Opponent Riettels, C (Cameron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Bojanala Circuit Championship 2 of 4 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Ndlovu, J (Jacob)				Opponent Riettels, C (Cameron)
2	5	Tournament Robday Bergsig Sport Festival 2025				Tournament Robday Bergsig Sport Festival 2025
		date 2025-05-03	rnd 1	type Rapid	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent Dlamini, M (Mofo)				Opponent Dikane, O (Oageng)
3	5	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Tan, H (Herman Qiyuan)				Opponent Rampou, O (Oratile)

#	Games	Start				End
1	8	Tournament Bojanala Circuit Championship 2 of 4 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Ndlovu, J (Jacob)				Opponent Rampou, O (Oratile)
2	3	Tournament Spartan Bishops Championships Elite 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-05-24	rnd 2	type Standard	result 1	date 2025-05-24	rnd 4	type Standard	result 1
		Opponent Makaties, R (Rethabile)				Opponent Van Vreede, E (Ethan)
3	3	Tournament Bojanala's Battle In The Kloof 2024				Tournament Bojanala's Brink Of Activity 2024
		date 2024-09-21	rnd 4	type Standard	result 1	date 2024-11-30	rnd 1	type Standard	result 1
		Opponent Sefodi, T (Tshepiso)				Opponent Dikane, O (Oageng)

#	Games	Start				End
1	9	Tournament Bojanala School League 2023				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mothoage, T (Theo)				Opponent Riettels, C (Cameron)
2	6	Tournament Robday Bergsig Sport Festival 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-05-03	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Dlamini, M (Mofo)				Opponent Dikane, O (Oageng)
3	1	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Chiwande, B (Bokamoso)				Opponent Chiwande, B (Bokamoso)

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	Difotso ,LR (Lebogang Rotondwa)	6	2.5	-70.8	4	1	-212.5	2	1.5	212.5	0	0	0
1	Difotso ,LR (Lebogang Rotondwa)	6	1719.2	1648.4	4	1707.1	1506.8	2	1032.7	1931.8	0	0	0
2	Simpson ,M (Michael)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
2	Simpson ,M (Michael)	5	2150.1	1810.1	5	2192.1	1810.1	0	0	0	0	0	0
3	Sehularo ,K (Kganya)	4	2	0	3	1.5	0	1	0.5	0	0	0	0
3	Sehularo ,K (Kganya)	4	1685.4	1685.4	3	1670.7	1685.4	1	1511.7	1685.4	0	0	0
4	Dikane ,O (Oageng)	4	3	212.5	2	1	0	2	2	425	0	0	0
4	Dikane ,O (Oageng)	4	1675.5	1888	2	1668.9	1675.5	2	1188.6	2100.5	0	0	0
5	Mungal ,E (Ethan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Mungal ,E (Ethan)	2	1690.4	1265.4	2	1702.6	1265.4	0	0	0	0	0	0
6	Dikolomela ,T (Tlhogi)	2	2	425	2	2	425	0	0	0	0	0	0
6	Dikolomela ,T (Tlhogi)	2	1589	2014	2	1593.2	2014	0	0	0	0	0	0
7	Sefodi ,T (Tshepiso)	2	2	425	2	2	425	0	0	0	0	0	0
7	Sefodi ,T (Tshepiso)	2	1644.4	2069.4	2	1707.2	2069.4	0	0	0	0	0	0
8	Masilela ,K (Khetho)	2	1	0	2	1	0	0	0	0	0	0	0
8	Masilela ,K (Khetho)	2	1307.3	1307.3	2	1298.9	1307.3	0	0	0	0	0	0
9	Goliath ,BB (Brimarion Brushane)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Goliath ,BB (Brimarion Brushane)	2	1637.3	1212.3	2	1645.8	1212.3	0	0	0	0	0	0
10	Mostert ,GS (Gideon Smit)	2	2	425	2	2	425	0	0	0	0	0	0
10	Mostert ,GS (Gideon Smit)	2	1371.2	1796.2	2	1362.4	1796.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Retief, M (Matthew)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms