Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rukumuza, J (Jeremiah)

Chess SA id

1130309805

FIDE id

Date of birth

2013-04-07 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

10.7

Junior GPX Points

1146.2

Item	Main	Standard	Rapid	Blitz
Rating	1218.9	1226.1	1189.2	1200
Raw rating	1218.9	1226.1	1189.2	1200
Weighted rating	1180.4	1179.4	1187.5	1200
Weighted performance	0	0	0	0
Floor	718.9	726.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.4	159.8	168.4	165.8
Highest rating	1218.9 2025-09-01	1226.1 2025-09-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1218.9 2025-09-01	1226.1 2025-09-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-08-01	1200 2024-08-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1218.9	1226.1	1189.2	1200
Analysis
Rating	1218.9	1226.1	1189.2	1200
Raw rating	1218.9	1226.1	1189.2	1200
Weighted rating	1180.4	1179.4	1187.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	718.9	726.1	700	700
Max/Min rating change allowed	161.4	159.8	168.4	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	1218.9	1226.1	1189.2	1200
New weighted rating	1183.3	1182.9	1187.4	1200
New weighted performance	0	0	0	0
Temp new rating	1218.9	1226.1	1189.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1218.9	1226.1	1189.2	1200
New K-factor	36	36	36	36
New floor	718.9	726.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	19	14	5

Games since
	Main 19	Standard 14		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	9	4	44.44	-47.2	1306	1258.7
Standard	9	4	44.44	-47.2	1306	1258.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	6.5	34.21	-134.2	1258.4	1124.1
Standard	14	5	35.71	-121.4	1267.4	1145.9
Rapid	5	1.5	30	-170	1233.1	1063.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1218.9	1226.1	1189.2	1200
2025-09-01	1218.9	1226.1	1189.2	1200
2025-08-01	1176.2	1173.9	1189.2	1200
2025-07-01	1176.2	1173.9	1189.2	1200
2025-06-01	1176.2	1173.9	1189.2	1200
2025-05-01	1176.2	1173.9	1189.2	1200
2025-04-01	1175.5	1173	1189.2	1200
2025-03-01	1177.7	1175.6	1189.2	1200
2025-02-01	1175.9	1173.9	1187.4	1200
2025-01-01	1140.7	1139.2	1158	1200
2024-12-01	1140.7	1139.2	1158	1200
2024-11-01	1140.7	1139.2	1158	1200
2024-10-01	1151.2	1139.2	1200	1200
2024-09-01	1151.2	1139.2	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Eden Top Schools 2025 (U13)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Top Schools 2025 (U13)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	1.5	Yes	Analysis
4	Eden Top Schools 2024 (U13 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Joseph, F (Fernill)				Opponent Hendricks, J (Josiano)
2	2	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 2	type Rapid	result 0.5	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Scott, W (William)				Opponent Prins, A (Annike)
3	1	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Levendal, C (Chayden)				Opponent Levendal, C (Chayden)

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Joseph, F (Fernill)				Opponent Hendricks, J (Josiano)
2	1	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Levendal, C (Chayden)				Opponent Levendal, C (Chayden)

#	Games	Start				End
1	2	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 2	type Rapid	result 0.5	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Scott, W (William)				Opponent Prins, A (Annike)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Joseph, F (Fernill)				Opponent Hendricks, J (Josiano)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Prins, A (Annike)
3	1	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Levendal, C (Chayden)				Opponent Levendal, C (Chayden)

#	Games	Start				End
1	4	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Joseph, F (Fernill)				Opponent Hendricks, J (Josiano)
2	1	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Levendal, C (Chayden)				Opponent Levendal, C (Chayden)

#	Games	Start				End
1	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Prins, A (Annike)

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	Joseph ,F (Fernill)	1	1	425	1	1	425	0	0	0	0	0	0
1	Joseph ,F (Fernill)	1	1199.8	1624.8	1	1199.6	1624.8	0	0	0	0	0	0
2	Steenberg ,H (Hendre)	1	1	425	1	1	425	0	0	0	0	0	0
2	Steenberg ,H (Hendre)	1	1451.3	1876.3	1	1440.4	1876.3	0	0	0	0	0	0
3	Coetzee ,H (Hennie)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Coetzee ,H (Hennie)	1	1329.1	904.1	1	1321.9	904.1	0	0	0	0	0	0
4	Hendricks ,J (Josiano)	1	1	425	1	1	425	0	0	0	0	0	0
4	Hendricks ,J (Josiano)	1	1200	1625	1	1200.5	1625	0	0	0	0	0	0
5	Leshawa ,E (Emzeo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Leshawa ,E (Emzeo)	1	1244.6	819.6	1	1224.8	819.6	0	0	0	0	0	0
6	Busch ,D (Devandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Busch ,D (Devandre)	1	1143.5	718.5	1	1134.8	718.5	0	0	0	0	0	0
7	Boamah ,J (Jack)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Boamah ,J (Jack)	1	1297.9	872.9	1	1316.5	872.9	0	0	0	0	0	0
8	Van Jaarsveldt ,L (Logan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Jaarsveldt ,L (Logan)	1	1142.9	717.9	1	1130	717.9	0	0	0	0	0	0
9	Campher ,L (Luwhayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Campher ,L (Luwhayne)	1	1173.8	748.8	1	1166.4	748.8	0	0	0	0	0	0
10	Levendal ,C (Chayden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Levendal ,C (Chayden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Rukumuza, J (Jeremiah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms