Chess South Africa Ratings Database

PLAYER PAGE

Personal

Boje, E (Erich)

Chess SA id

1140130044

FIDE id

Date of birth

2014-07-21 (U12)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1274.2	1256.4	1269.9	1200
Raw rating	1274.2	1256.4	1269.9	1200
Weighted rating	1264.6	1253.5	1257.1	1200
Weighted performance	1014	903.3	1022.4	0
Floor	814.8	756.4	857	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.2	153	150.1	165.8
Highest rating	1325.9 2023-08-01	1256.4 2024-06-01	1386.2 2023-08-01	1200 2018-10-01
Highest raw rating	1314.8 2024-03-01	1256.4 2024-06-01	1357 2024-03-01	1200 2024-02-01
Highest weighted rating	1314.8 2024-09-01	1251.8 2025-08-01	1357 2024-08-01	1200 2018-10-01
Highest weighted performance	1325.9 2023-08-01	1200 2019-12-01	1386.2 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1274.2	1256.4	1269.9	1200
Analysis
Rating	1274.2	1256.4	1269.9	1200
Raw rating	1274.2	1256.4	1269.9	1200
Weighted rating	1264.6	1253.5	1257.1
Weighted performance	1014	903.3	1022.4
K-factor	36	36	36	36
Floor	814.8	756.4	857	700
Max/Min rating change allowed	149.2	153	150.1	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	1274.2	1256.4	1269.9	1200
New weighted rating	1265.2	1254.3	1257.4	1200
New weighted performance	1013.6	902.9	1022	0
Temp new rating	1274.2	1256.4	1269.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1274.2	1256.4	1269.9	1200
New K-factor	36	36	36	36
New floor	814.8	756.4	857	700

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	24	5	19
	28	9	19
	9	5	4
	0	0	0
History	74	27	47

Games since
	Main 33	Standard 5		Rapid 28		Blitz 0
Gender	Male
Age group	U12
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1205		37		34
Male	974		34		31
U12	221		3		3
U12 Male	158		3		3
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	3.5	70	170	1189.7	1359.7
Standard	0	0	0	0	0	0
Rapid	5	3.5	70	170	1189.7	1359.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	74	44	59.46	80.4	1185.1	1265.5
Standard	27	15	55.56	47.2	1196.4	1243.7
Rapid	47	29	61.7	99.5	1178.7	1278.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1274.2	1256.4	1269.9	1200
2025-09-01	1274.2	1256.4	1269.9	1200
2025-08-01	1274.2	1256.4	1269.9	1200
2025-07-01	1274.2	1256.4	1269.9	1200
2025-06-01	1262.6	1256.4	1258.9	1200
2025-05-01	1262.6	1256.4	1258.9	1200
2025-04-01	1262.6	1256.4	1258.9	1200
2025-03-01	1262.4	1256.4	1258.9	1200
2025-02-01	1261	1256.4	1256.3	1200
2025-01-01	1244.4	1256.4	1218	1200
2024-12-01	1244.4	1256.4	1218	1200
2024-11-01	1244.4	1256.4	1218	1200
2024-10-01	1244.4	1256.4	1218	1200
2024-09-01	1244.4	1256.4	1218	1200
2024-08-01	1275.5	1256.4	1260.5	1200
2024-07-01	1275.5	1256.4	1260.5	1200
2024-06-01	1275.5	1256.4	1260.5	1200
2024-08-01	1257	1225.8	1260.5	1200
2024-04-01	1257	1225.8	1260.5	1200
2024-03-01	1314.8	1225.8	1357	1200
2024-02-01	1296.7	1225.8	1327.8	1200
2024-01-01	1277	1225.8	1313.4	1200
2023-12-01	1277	1225.8	1313.4	1200
2023-11-01	1277	1225.8	1313.4	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	Primary School Chess 07 June 2025 (Grade 4A+5A)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Primary School Chess 07 June 2025 (Grade 4A+5A)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
2	Mangaung Metro Chess 3 August 2024 (B)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	4	1	Yes	Analysis
3	Spartan Bishops Chess Championships 2024 (Big Pawns)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
4	Mangaung Metro Chess 9 March 2024 (C)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	1	Yes	Analysis
5	Mangaung Metro Chess 10 February 2024 (C)	2024-02-10	2024-02-10	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
6	Kings & Queens Chess 27 January 2024 (C)	2024-01-27	2024-01-27	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
7	Heidedal Chess 14 October 2023 (D)	2023-10-14	2023-10-14	Rapid	Mangaung (FMB)	5	4	2	Yes	Analysis
8	St Andrews 19 August 2023 (D)	2023-08-19	2023-08-19	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
9	August Primary School Chess Festival 2023 (Grade 2+3 A)	2023-08-04	2023-08-04	Rapid	Mangaung (FMB)	5	5	5	Yes	Analysis
10	9th Piet van Zyl Chess Festival 2023 (C+D)	2023-05-26	2023-05-27	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
11	Inter Regional Chess Championship 2023 (U10)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
12	Kings & Queens Chess 21 January 2023 (D)	2023-01-21	2023-01-21	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
13	8th Piet Van Zyl Chess Festival 2022 (D)	2022-07-22	2022-07-23	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
14	Mangaung Metro Chess 22 January 2022 (D)	2022-01-22	2022-01-22	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis
15	Mangaung Metro Chess February 2020 (G)	2020-02-21	2020-02-22	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
16	Mangaung Metro Chess 17-18 January 2020 (F)	2020-01-17	2020-01-18	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis

#	Games	Start				End
1	8	Tournament 9th Piet van Zyl Chess Festival 2023				Tournament St Andrews 19 August 2023
		date 2023-05-27	rnd 5	type Standard	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Bosch, S (Septimus Bowker)				Opponent Matiki, T (Thandeka)
2	6	Tournament Kings & Queens Chess 27 January 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Louw, B (Benjamin)
3	4	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-19	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Niesing, N (Naomi)				Opponent Ross, Z (Zayrah)

#	Games	Start				End
1	4	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-19	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Niesing, N (Naomi)				Opponent Ross, Z (Zayrah)
2	3	Tournament Spartan Bishops Chess Championships 2024				Tournament Spartan Bishops Chess Championships 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Motsoane, T (Thoko)				Opponent Motau, N (Neelo)
3	2	Tournament 8th Piet Van Zyl Chess Festival 2022				Tournament 8th Piet Van Zyl Chess Festival 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Ramathe, N (Nchafalo)				Opponent Ramathe, O (Oratiloe)

#	Games	Start				End
1	8	Tournament Kings & Queens Chess 21 January 2023				Tournament St Andrews 19 August 2023
		date 2023-01-21	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Snell, T (Tessa)				Opponent Matiki, T (Thandeka)
2	6	Tournament Kings & Queens Chess 27 January 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Louw, B (Benjamin)
3	3	Tournament Mangaung Metro Chess 3 August 2024				Tournament Primary School Chess 07 June 2025
		date 2024-08-03	rnd 5	type Rapid	result 0.5	date 2025-06-06	rnd 2	type Rapid	result 0.5
		Opponent Geyser, H (Heinrich)				Opponent Vilakazi, S (Simangele)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 9th Piet van Zyl Chess Festival 2023				Tournament St Andrews 19 August 2023
		date 2023-05-27	rnd 5	type Standard	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Bosch, S (Septimus Bowker)				Opponent Matiki, T (Thandeka)
2	6	Tournament Kings & Queens Chess 27 January 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Louw, B (Benjamin)
3	4	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-19	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Niesing, N (Naomi)				Opponent Ross, Z (Zayrah)

#	Games	Start				End
1	4	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-19	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Niesing, N (Naomi)				Opponent Ross, Z (Zayrah)
2	3	Tournament Spartan Bishops Chess Championships 2024				Tournament Spartan Bishops Chess Championships 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Motsoane, T (Thoko)				Opponent Motau, N (Neelo)
3	2	Tournament 8th Piet Van Zyl Chess Festival 2022				Tournament 8th Piet Van Zyl Chess Festival 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Ramathe, N (Nchafalo)				Opponent Ramathe, O (Oratiloe)

#	Games	Start				End
1	8	Tournament Kings & Queens Chess 21 January 2023				Tournament St Andrews 19 August 2023
		date 2023-01-21	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Snell, T (Tessa)				Opponent Matiki, T (Thandeka)
2	6	Tournament Kings & Queens Chess 27 January 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Louw, B (Benjamin)
3	3	Tournament Mangaung Metro Chess 22 January 2022				Tournament Kings & Queens Chess 21 January 2023
		date 2022-01-22	rnd 5	type Rapid	result 1	date 2023-01-21	rnd 2	type Rapid	result 1
		Opponent Strydom, L (Luan)				Opponent Herselman, J (Jayden Daniel Ferdinand)

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	Sealoma ,T (Tshegofatso)	5	0	-425	0	0	0	5	0	-425	0	0	0
1	Sealoma ,T (Tshegofatso)	5	1287.1	862.1	0	0	0	5	1287.4	862.1	0	0	0
2	Malan ,R (Rigardt)	3	1	-141.7	1	1	425	2	0	-425	0	0	0
2	Malan ,R (Rigardt)	3	1203.4	1061.7	1	1200	1628.4	2	1211.8	778.4	0	0	0
3	Vermaak ,E (Ezay)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Vermaak ,E (Ezay)	2	1097.1	672.1	1	1048	672.1	1	1200	672.1	0	0	0
4	Sartain ,E (Ewan)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
4	Sartain ,E (Ewan)	2	1171	958.5	1	1169.6	746	1	1200	1171	0	0	0
5	Snell ,T (Tessa)	2	2	425	0	0	0	2	2	425	0	0	0
5	Snell ,T (Tessa)	2	1195.4	1620.4	0	0	0	2	1190.8	1620.4	0	0	0
6	Vinger ,T (Tsebo)	2	1	0	0	0	0	2	1	0	0	0	0
6	Vinger ,T (Tsebo)	2	1139.6	1139.6	0	0	0	2	1163	1139.6	0	0	0
7	Vilakazi ,S (Simangele)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
7	Vilakazi ,S (Simangele)	2	1153.5	1366	0	0	0	2	1041.2	1366	0	0	0
8	Fourie ,RH (Rosa Hermiena)	2	0	-425	0	0	0	2	0	-425	0	0	0
8	Fourie ,RH (Rosa Hermiena)	2	1185.9	760.9	0	0	0	2	1202	760.9	0	0	0
9	Matiki ,T (Thandeka)	2	2	425	0	0	0	2	2	425	0	0	0
9	Matiki ,T (Thandeka)	2	997.4	1422.4	0	0	0	2	1027.4	1422.4	0	0	0
10	Ross ,Z (Zayrah)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ross ,Z (Zayrah)	1	1218.5	1643.5	1	1221.3	1643.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Boje, E (Erich)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms