Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bosch, S (Septimus Bowker)

Chess SA id

1130147069

FIDE id

Date of birth

2013-12-06 (U14)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

41.2

Junior GPX Points

1191.4

Item	Main	Standard	Rapid	Blitz
Rating	1261.2	1258.6	1222.6	1200
Raw rating	1261.2	1253.1	1222.6	1200
Weighted rating	1223.7	1195.5	1218.6	1200
Weighted performance	1253.4	1258.6	1078.9	0
Floor	764.6	753.1	773.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	152	153.7	160.6	165.8
Highest rating	1346.8 2023-01-01	1258.6 2025-11-01	1406.3 2023-01-01	1200 2018-10-01
Highest raw rating	1264.6 2024-09-01	1253.1 2025-11-01	1273.8 2023-02-01	1200 2024-02-01
Highest weighted rating	1264.6 2023-05-01	1241.6 2018-10-01	1273.8 2024-01-01	1200 2018-10-01
Highest weighted performance	1346.8 2025-06-01	1258.6 2025-11-01	1406.3 2023-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-5.6	0	0
New rating	1261.2	1253.1	1222.6	1200
Analysis
Rating	1261.2	1258.6	1222.6	1200
Raw rating	1261.2	1253.1	1222.6	1200
Weighted rating	1223.7	1195.5	1218.6
Weighted performance	1253.4	1258.6	1078.9
K-factor	36	36	36	36
Floor	764.6	753.1	773.8	700
Max/Min rating change allowed	152	153.7	160.6	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	1261.2	1253.1	1222.6	1200
New weighted rating	1227.8	1202.1	1219.1	1200
New weighted performance	1245.9	1251.1	1071.8	0
Temp new rating	1261.2	1253.1	1222.6	1200
Temp new rating +/-	0	-5.6	0	0
Final new rating +/-	0	-5.6	0	0
New rating	1261.2	1253.1	1222.6	1200
New K-factor	36	36	36	36
New floor	764.6	753.1	773.8	700

Item	Main	Standard	Rapid
	0	0	0
	34	24	10
	47	27	20
	24	9	15
	5	0	5
	0	0	0
History	110	60	50

Games since
	Main 81	Standard 51		Rapid 30		Blitz 0
Gender	Male
Age group	U14
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	3617		69		52
Male	2776		57		42
U14	686		14		11
U14 Male	490		9		8
Standard
	RSA		Province		Region
Overall	3558		56		37
Male	2735		45		30
U14	679		14		10
U14 Male	476		8		7
Rapid
	RSA		Province		Region
Overall	1518		41		39
Male	1186		36		34
U14	338		5		5
U14 Male	236		4		4
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	34	16.5	48.53	-12.5	1281	1268.5
Standard	24	12	50	0	1305	1305
Rapid	10	4.5	45	-42.5	1223.3	1180.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	110	53.5	48.64	-11.6	1239.7	1228.1
Standard	60	25.5	42.5	-63.8	1275.7	1211.9
Rapid	50	28	56	51	1196.5	1247.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1261.2	1253.1	1222.6	1200
2025-09-30	1233.1	1227.9	1222.6	1200
2025-09-01	1233.1	1227.9	1222.6	1200
2025-08-01	1222.9	1217.3	1222.6	1200
2025-07-01	1247.2	1241.6	1222.6	1200
2025-06-01	1249	1241.6	1218.4	1200
2025-05-01	1213.2	1180.9	1218.4	1200
2025-04-01	1213.2	1180.9	1218.4	1200
2025-03-01	1199.3	1157	1218.4	1200
2025-02-01	1198.1	1157	1218.4	1200
2025-01-01	1200.2	1157	1228.9	1200
2024-12-01	1230.4	1176.8	1228.9	1200
2024-11-01	1230.4	1176.8	1228.9	1200
2024-10-01	1264.6	1205.2	1228.9	1200
2024-09-01	1264.6	1205.2	1228.9	1200
2024-08-01	1199.9	1169.6	1189.3	1200
2024-07-01	1199.9	1169.6	1189.3	1200
2024-09-01	1199.9	1169.6	1189.3	1200
2024-05-01	1181.7	1134.4	1189.3	1200
2024-04-01	1153.6	1088.4	1189.3	1200
2024-03-01	1160.2	1088.4	1211.6	1200
2024-02-01	1150.2	1088.4	1202.2	1200
2024-01-01	1166.8	1088.4	1240.7	1200
2023-12-01	1166.8	1088.4	1240.7	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	11th Piet van Zyl Chess Festival 2025 (B)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	Primary School Chess 07 June 2025 (Grade 6A+7A)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U14)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	2.5	Yes	Analysis
6	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	11th Piet van Zyl Chess Festival 2025 (B)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	Primary School Chess 07 June 2025 (Grade 6A+7A)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U14)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	2.5	Yes	Analysis
6	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
8	Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	2	Yes	Analysis
9	Mangaung Metro Chess 11-12 October 2024 (B)	2024-10-11	2024-10-12	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
10	Mangaung Metro Chess 16-17 August 2024 (B)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
11	Mangaung Metro Chess 3 August 2024 (C)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
12	Spartan Bishops Chess Championships 2024 (Senior Pawns)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
13	Mangaung Metro Chess 12-13 April 2024 (C+D)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
14	Mangaung Metro Chess 9 March 2024 (C)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
15	Mangaung Metro Chess 10 February 2024 (C)	2024-02-10	2024-02-10	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
16	Kings & Queens Chess 27 January 2024 (C)	2024-01-27	2024-01-27	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
17	August Primary School Chess Festival 2023 (Grade 4+5 A)	2023-08-04	2023-08-04	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
18	Morris Club Championship 2023	2023-07-28	2023-07-28	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
19	9th Piet van Zyl Chess Festival 2023 (C+D)	2023-05-26	2023-05-27	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
20	Inter Regional Chess Championship 2023 (U12)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
21	Kings & Queens Chess 21 January 2023 (D)	2023-01-21	2023-01-21	Rapid	Mangaung (FMB)	5	5	4.5	Yes	Analysis
22	Courteney Page Chess Festival 2022 (D)	2022-10-15	2022-10-15	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Spartan Bishops Championships Elite 2025				Tournament Primary School Chess 07 June 2025
		date 2025-05-24	rnd 2	type Standard	result 0.5	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Steyn, W (Willem)				Opponent Motlhaolwa, G (Gopolang)
2	6	Tournament Courteney Page Chess Festival 2022				Tournament Kings & Queens Chess 21 January 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-01-21	rnd 5	type Rapid	result 1
		Opponent Monaheng, P (Poloko)				Opponent Herselman, J (Jayden Daniel Ferdinand)
3	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Vilakazi, S (Simangele)				Opponent Mokhachane, K (Kgalalelo)

#	Games	Start				End
1	3	Tournament Spartan Bishops Championships Elite 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-05-24	rnd 2	type Standard	result 0.5	date 2025-05-24	rnd 4	type Standard	result 1
		Opponent Steyn, W (Willem)				Opponent Kongolo, T (Tim Jadot)
2	2	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 1	type Standard	result 0.5	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Mokhathi, O (Oratile)				Opponent Moshodi, R (Rethabile)
3	2	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-17	rnd 3	type Standard	result 1	date 2024-12-17	rnd 4	type Standard	result 1
		Opponent Chidi, L (Lebotsa)				Opponent Moller, C (Connor)

#	Games	Start				End
1	6	Tournament Courteney Page Chess Festival 2022				Tournament Kings & Queens Chess 21 January 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-01-21	rnd 5	type Rapid	result 1
		Opponent Monaheng, P (Poloko)				Opponent Herselman, J (Jayden Daniel Ferdinand)
2	4	Tournament Mangaung Metro Chess 25 January 2025				Tournament Primary School Chess 07 June 2025
		date 2025-01-25	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Molatlhoe, C (Calib)				Opponent Motlhaolwa, G (Gopolang)
3	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 1	type Rapid	result 1
		Opponent Vilakazi, S (Simangele)				Opponent Sealoma, T (Tshegofatso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Vilakazi, S (Simangele)				Opponent Mokhachane, K (Kgalalelo)
2	4	Tournament August Primary School Chess Festival 2023				Tournament Kings & Queens Chess 27 January 2024
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 2	type Rapid	result 1
		Opponent Mabetha, N (Nonhle)				Opponent Du Toit, C (Calem)
3	3	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-04-12	rnd 2	type Standard	result 1
		Opponent Fourie, R (Rosa Hermiena)				Opponent Du Toit, J (Jonaldro)

#	Games	Start				End
1	2	Tournament Spartan Bishops Championships Elite 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 4	type Standard	result 1
		Opponent Nkosi, H (Hlelo)				Opponent Kongolo, T (Tim Jadot)
2	2	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-17	rnd 3	type Standard	result 1	date 2024-12-17	rnd 4	type Standard	result 1
		Opponent Chidi, L (Lebotsa)				Opponent Moller, C (Connor)
3	2	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Thakaso, Z (Ziko)				Opponent Van Wyk, P (Petrus Gerhardus)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 1	type Rapid	result 1
		Opponent Vilakazi, S (Simangele)				Opponent Sealoma, T (Tshegofatso)
2	4	Tournament August Primary School Chess Festival 2023				Tournament Kings & Queens Chess 27 January 2024
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 2	type Rapid	result 1
		Opponent Mabetha, N (Nonhle)				Opponent Du Toit, C (Calem)
3	3	Tournament Kings & Queens Chess 21 January 2023				Tournament Kings & Queens Chess 21 January 2023
		date 2023-01-21	rnd 3	type Rapid	result 1	date 2023-01-21	rnd 5	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	Moletsane ,T (Tshimologo)	5	2	-85	2	1	0	3	1	-141.7	0	0	0
1	Moletsane ,T (Tshimologo)	5	1142.5	1057.5	2	1120.8	1142.5	3	1144.1	1000.8	0	0	0
2	Bothma ,J (Johannes)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
2	Bothma ,J (Johannes)	4	1267.5	1055	3	1272.2	1125.8	1	1200	842.5	0	0	0
3	Herselman ,J (Jayden Daniel Ferdinand)	4	1	-212.5	1	0	-425	3	1	-141.7	0	0	0
3	Herselman ,J (Jayden Daniel Ferdinand)	4	1216.5	1004	1	1198.3	791.5	3	1215	1074.8	0	0	0
4	Van Wyk ,P (Petrus Gerhardus)	3	2	141.7	2	1	0	1	1	425	0	0	0
4	Van Wyk ,P (Petrus Gerhardus)	3	1195.6	1337.2	2	1202.4	1195.6	1	1200	1620.6	0	0	0
5	Sealoma ,T (Tshegofatso)	3	2	141.7	1	0	-425	2	2	425	0	0	0
5	Sealoma ,T (Tshegofatso)	3	1271.8	1413.5	1	1240.4	846.8	2	1248.4	1696.8	0	0	0
6	Chen ,L (Louis)	3	0	-425	1	0	-425	2	0	-425	0	0	0
6	Chen ,L (Louis)	3	1229	804	1	1247.7	804	2	1215	804	0	0	0
7	Maritz ,J (Jandre)	3	0	-425	1	0	-425	2	0	-425	0	0	0
7	Maritz ,J (Jandre)	3	1234.3	809.3	1	1191.2	809.3	2	1262.1	809.3	0	0	0
8	Jacobus ,A (Altavio)	2	2	425	2	2	425	0	0	0	0	0	0
8	Jacobus ,A (Altavio)	2	1182.8	1607.8	2	1182.2	1607.8	0	0	0	0	0	0
9	Nwafor ,N (Nneka)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Nwafor ,N (Nneka)	2	1168.7	743.7	1	1172.6	743.7	1	1091.3	743.7	0	0	0
10	Snell ,T (Tessa)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
10	Snell ,T (Tessa)	2	1206.8	994.2	1	1188.8	781.8	1	1200	1206.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Bosch, S (Septimus Bowker)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms