Chess South Africa Ratings Database

PLAYER PAGE

Personal

Manalavan, J (Jacob)

Chess SA id

1120314901

FIDE id

Date of birth

2012-09-21 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

2025-03-06

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.1	1200	1200	1200
Raw rating	1197.4	1196.8	1200	1200
Weighted rating	1200.1	1200	1200	1200
Weighted performance	0	0	0	0
Floor	722.2	725.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.4	166.6	165.8	165.8
Highest rating	1222.2 2025-03-01	1225.1 2025-03-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1222.2 2025-03-01	1225.1 2025-03-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1222.2 2025-03-01	1225.1 2025-03-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.2	-0.3	0	0
New rating	1199.9	1199.7	1200	1200
Analysis
Rating	1200.1	1200	1200	1200
Raw rating	1197.4	1196.8	1200	1200
Weighted rating	1200.1	1200	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	722.2	725.1	700	700
Max/Min rating change allowed	166.4	166.6	165.8	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	1197.4	1196.8	1200	1200
New weighted rating	1199.9	1199.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.9	1199.7	1200	1200
Temp new rating +/-	-0.2	-0.3	0	0
Final new rating +/-	-0.2	-0.3	0	0
New rating	1199.9	1199.7	1200	1200
New K-factor	36	36	36	36
New floor	722.2	725.1	700	700

Item	Main	Standard
	0	0
	13	13
	0	0
	0	0
	0	0
	0	0
History	13	13

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	13	3.5	26.92	-196.2	1197.2	1001.1
Standard	13	3.5	26.92	-196.2	1197.2	1001.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	3.5	26.92	-196.2	1197.2	1001.1
Standard	13	3.5	26.92	-196.2	1197.2	1001.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1197.4	1196.8	1200	1200
2025-11-30	1197.4	1196.8	1200	1200
2025-11-01	1197.4	1196.8	1200	1200
2025-09-30	1197.4	1196.8	1200	1200
2025-09-01	1197.4	1196.8	1200	1200
2025-08-01	1197.4	1196.8	1200	1200
2025-07-01	1201.7	1201.9	1200	1200
2025-06-01	1201.7	1201.8	1200	1200
2025-05-01	1201.4	1201.5	1200	1200
2025-04-01	1198.5	1197.9	1200	1200
2025-03-01	1222.2	1225.1	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis
3	First Knights Juniors Chess Tournament 2025 (D)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament First Knights Juniors Chess Tournament 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-09	rnd 5	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Israel, Y (Yonatan)
2	1	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 3	type Standard	result 0.5	date 2025-03-23	rnd 3	type Standard	result 0.5
		Opponent Mathibe, K (Koketso)				Opponent Mathibe, K (Koketso)

#	Games	Start				End
1	3	Tournament First Knights Juniors Chess Tournament 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-09	rnd 5	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Israel, Y (Yonatan)
2	1	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 3	type Standard	result 0.5	date 2025-03-23	rnd 3	type Standard	result 0.5
		Opponent Mathibe, K (Koketso)				Opponent Mathibe, K (Koketso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament First Knights Juniors Chess Tournament 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-09	rnd 5	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Israel, Y (Yonatan)

#	Games	Start				End
1	3	Tournament First Knights Juniors Chess Tournament 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-09	rnd 5	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Israel, Y (Yonatan)

No games found.

#	Games	Start				End

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	Mhlomi ,A (Ahlumile)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mhlomi ,A (Ahlumile)	1	1198.4	773.4	1	1200	773.4	0	0	0	0	0	0
2	Surukanti ,A (Arin Jay)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Surukanti ,A (Arin Jay)	1	1194.3	769.3	1	1193.1	769.3	0	0	0	0	0	0
3	Tshabalala ,H (Happy)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tshabalala ,H (Happy)	1	1063.1	638.1	1	1063.3	638.1	0	0	0	0	0	0
4	Anthonissen ,MV (Mikhael Villem)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Anthonissen ,MV (Mikhael Villem)	1	1521	1096	1	1514.3	1096	0	0	0	0	0	0
5	Kotzenmacher ,L (Leo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kotzenmacher ,L (Leo)	1	1116.2	691.2	1	1105.6	691.2	0	0	0	0	0	0
6	Vemula ,L (Lekhan Sai)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vemula ,L (Lekhan Sai)	1	1197.9	772.9	1	1197.4	772.9	0	0	0	0	0	0
7	Israel ,Y (Yonatan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Israel ,Y (Yonatan)	1	1191	1616	1	1190.7	1616	0	0	0	0	0	0
8	Steyn ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Steyn ,A (Anneke)	1	1289.1	864.1	1	1297.2	864.1	0	0	0	0	0	0
9	Tabilo Lillo ,M (Marcelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Tabilo Lillo ,M (Marcelo)	1	1274.5	849.5	1	1272.1	849.5	0	0	0	0	0	0
10	Mathibe ,K (Koketso)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Mathibe ,K (Koketso)	1	1111	1111	1	1100	1111	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Manalavan, J (Jacob)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms