Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duncan-Chundra, J (Jibrael)

Chess SA id

1110103539

FIDE id

Date of birth

2011-11-07 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1293.5	1303.8	1200	1200
Raw rating	1291.8	1301.9	1200	1200
Weighted rating	1293.5	1303.8	1200	1200
Weighted performance	1108.5	1103.9	0	0
Floor	807.7	819.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.5	143.4	165.8	165.8
Highest rating	1311.1 2024-08-01	1319.2 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1307.7 2024-09-01	1319.2 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1307.7 2025-06-01	1319.2 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1311.1 2024-08-01	1305.7 2024-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.5	0	0
New rating	1294	1304.3	1200	1200
Analysis
Rating	1293.5	1303.8	1200	1200
Raw rating	1291.8	1301.9	1200	1200
Weighted rating	1293.5	1303.8	1200
Weighted performance	1108.5	1103.9	0
K-factor	36	36	36	36
Floor	807.7	819.2	700	700
Max/Min rating change allowed	145.5	143.4	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	1291.8	1301.9	1200	1200
New weighted rating	1294	1304.3	1200	1200
New weighted performance	1108	1103.4	0	0
Temp new rating	1294	1304.3	1200	1200
Temp new rating +/-	0.5	0.5	0	0
Final new rating +/-	0.5	0.5	0	0
New rating	1294	1304.3	1200	1200
New K-factor	36	36	36	36
New floor	807.7	819.2	700	700

Item	Main	Standard
	0	0
	4	4
	10	10
	15	15
	0	0
	0	0
History	34	34

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	4	0	0	-425	1311.7	886.7
Standard	4	0	0	-425	1311.7	886.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	19.5	57.35	62.5	1222.6	1285.1
Standard	34	19.5	57.35	62.5	1222.6	1285.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1291.8	1301.9	1200	1200
2025-09-01	1291.8	1301.9	1200	1200
2025-08-01	1291.8	1301.9	1200	1200
2025-07-01	1288.1	1297.5	1200	1200
2025-06-01	1295.5	1304.4	1200	1200
2025-05-01	1295.5	1304.4	1200	1200
2025-04-01	1295.5	1304.4	1200	1200
2025-03-01	1307.7	1319.2	1200	1200
2025-02-01	1307.7	1319.2	1200	1200
2025-01-01	1307.7	1319.2	1200	1200
2024-12-01	1307.7	1319.2	1200	1200
2024-11-01	1307.7	1319.2	1200	1200
2024-10-01	1307.7	1319.2	1200	1200
2024-09-01	1307.7	1319.2	1200	1200
2024-08-01	1298.7	1311.3	1200	1200
2024-07-01	1298.7	1311.3	1200	1200
2024-06-01	1255.4	1263.8	1200	1200
2024-08-01	1255.4	1263.8	1200	1200
2024-04-01	1255.4	1263.8	1200	1200
2024-03-01	1255.4	1263.8	1200	1200
2024-02-01	1255.4	1263.8	1200	1200
2024-01-01	1255.4	1263.8	1200	1200
2023-12-01	1255.4	1263.8	1200	1200
2023-11-01	1255.4	1263.8	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	JCC Steyn City High Schools League 2025 (A)	2025-05-07	2025-06-09	Standard	Johannesburg Metro (GJM)	6	3	0	Yes	Analysis
2	JCC - Dainfern Chess League 2025 (A)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	1	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC Steyn City High Schools League 2025 (A)	2025-05-07	2025-06-09	Standard	Johannesburg Metro (GJM)	6	3	0	Yes	Analysis
2	JCC - Dainfern Chess League 2025 (A)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	1	0	Yes	Analysis
3	Fourth Knight Riders Juniors Open Chess Tournament 204 (C)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	Second Knight Riders Juniors Open Chess Tournament 2024 (D)	2024-06-08	2024-06-08	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
5	ThinkChess Tournament 29 July 2023	2023-07-29	2023-07-29	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	ThinkChess 3 June 2023	2023-06-03	2023-06-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	ThinkChess Tournament 6 May 2023	2023-05-06	2023-05-06	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	Chessnuts Youth Day Chess Tournament 2018 (U8)	2018-06-16	2018-06-16	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament ThinkChess Tournament 29 July 2023				Tournament Second Knight Riders Juniors Open Chess Tournament 2024
		date 2023-07-29	rnd 5	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Makobela, L (Leano)				Opponent Mathibe, K (Koketso)
2	4	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess 3 June 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-06-03	rnd 2	type Standard	result 1
		Opponent Tellier, L (Lorenzo)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament Fourth Knight Riders Juniors Open Chess Tournament 204
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, G (Gcwali)				Opponent Shezi, L (Luyanda)

#	Games	Start				End
1	6	Tournament ThinkChess Tournament 29 July 2023				Tournament Second Knight Riders Juniors Open Chess Tournament 2024
		date 2023-07-29	rnd 5	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Makobela, L (Leano)				Opponent Mathibe, K (Koketso)
2	4	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess 3 June 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-06-03	rnd 2	type Standard	result 1
		Opponent Tellier, L (Lorenzo)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament Fourth Knight Riders Juniors Open Chess Tournament 204
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, G (Gcwali)				Opponent Shezi, L (Luyanda)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament ThinkChess Tournament 29 July 2023				Tournament Second Knight Riders Juniors Open Chess Tournament 2024
		date 2023-07-29	rnd 5	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Makobela, L (Leano)				Opponent Mathibe, K (Koketso)
2	3	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament Fourth Knight Riders Juniors Open Chess Tournament 204
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, G (Gcwali)				Opponent Shezi, L (Luyanda)
3	2	Tournament ThinkChess 3 June 2023				Tournament ThinkChess 3 June 2023
		date 2023-06-03	rnd 1	type Standard	result 1	date 2023-06-03	rnd 2	type Standard	result 1
		Opponent Du Pisani, M (Malcom)				Opponent Chadalavada, B (Bhaarghavarama)

#	Games	Start				End
1	6	Tournament ThinkChess Tournament 29 July 2023				Tournament Second Knight Riders Juniors Open Chess Tournament 2024
		date 2023-07-29	rnd 5	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Makobela, L (Leano)				Opponent Mathibe, K (Koketso)
2	3	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament Fourth Knight Riders Juniors Open Chess Tournament 204
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, G (Gcwali)				Opponent Shezi, L (Luyanda)
3	2	Tournament ThinkChess 3 June 2023				Tournament ThinkChess 3 June 2023
		date 2023-06-03	rnd 1	type Standard	result 1	date 2023-06-03	rnd 2	type Standard	result 1
		Opponent Du Pisani, M (Malcom)				Opponent Chadalavada, B (Bhaarghavarama)

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	Chadalavada ,B (Bhaarghavarama)	2	2	425	2	2	425	0	0	0	0	0	0
1	Chadalavada ,B (Bhaarghavarama)	2	1188.6	1613.6	2	1184.4	1613.6	0	0	0	0	0	0
2	Gough ,R (Rowan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Gough ,R (Rowan)	1	1127.1	702.1	1	1116	702.1	0	0	0	0	0	0
3	Hlatshwayo ,G (Gcwali)	1	1	425	1	1	425	0	0	0	0	0	0
3	Hlatshwayo ,G (Gcwali)	1	1226.1	1651.1	1	1225.3	1651.1	0	0	0	0	0	0
4	Tellier ,L (Lorenzo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tellier ,L (Lorenzo)	1	1229.9	1654.9	1	1236	1654.9	0	0	0	0	0	0
5	Gupta ,A (Akul)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gupta ,A (Akul)	1	1416.3	991.3	1	1393.9	991.3	0	0	0	0	0	0
6	Malan ,Z (Zander)	1	1	425	1	1	425	0	0	0	0	0	0
6	Malan ,Z (Zander)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Vallabh ,K (Kavi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Vallabh ,K (Kavi)	1	1267.1	842.1	1	1250	842.1	0	0	0	0	0	0
8	Moosa ,I (Ikram)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moosa ,I (Ikram)	1	1211	1636	1	1212	1636	0	0	0	0	0	0
9	Chen ,Y (Youlin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Chen ,Y (Youlin)	1	1569.2	1144.2	1	1567.3	1144.2	0	0	0	0	0	0
10	Mandishona ,G (Gibson)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mandishona ,G (Gibson)	1	1231.1	806.1	1	1241.6	806.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Duncan-Chundra, J (Jibrael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms