Chess South Africa Ratings Database

PLAYER PAGE

Personal

Modiba, J (Jackson)

Chess SA id

1990151832

FIDE id

Modiba

Date of birth

1999-11-10 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198.1	1154.4	1246.8	1300
Raw rating	1198.1	1154.4	1246.8	1300
Weighted rating	1197.9	1151.4	1246.2	1299
Weighted performance	0	0	0	0
Floor	709	702	746.8	800
K-factor	36	36	36	36
Min/Max rating change allowed	166.3	176.9	155.1	143.8
Highest rating	1211.5 2023-03-01	1214.7 2023-03-01	1246.8 2024-03-01	1300 2024-03-01
Highest raw rating	1209 2023-10-01	1202 2023-04-01	1246.8 2024-03-01	1300 2024-03-01
Highest weighted rating	1209 2023-12-01	1202 2023-10-01	1244.8 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1211.5 2023-03-01	1214.7 2023-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1198.1	1154.4	1246.8	1300
Analysis
Rating	1198.1	1154.4	1246.8	1300
Raw rating	1198.1	1154.4	1246.8	1300
Weighted rating	1197.9	1151.4	1246.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709	702	746.8	800
Max/Min rating change allowed	166.3	176.9	155.1	143.8
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	1198.1	1154.4	1246.8	1300
New weighted rating	1198	1151.6	1246.6	1299.7
New weighted performance	0	0	0	0
Temp new rating	1198.1	1154.4	1246.8	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1198.1	1154.4	1246.8	1300
New K-factor	36	36	36	36
New floor	709	702	746.8	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	24	19	5
	0	0	0
	0	0	0
History	24	19	5

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	9	37.5	-106.2	1275.5	1169.3
Standard	19	7	36.84	-111.8	1251	1139.2
Rapid	5	2	40	-85	1368.7	1283.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198.1	1154.4	1246.8	1300
2025-09-01	1198.1	1154.4	1246.8	1300
2025-08-01	1198.1	1154.4	1246.8	1300
2025-07-01	1198.1	1154.4	1246.8	1300
2025-06-01	1198.1	1154.4	1246.8	1300
2025-05-01	1198.1	1154.4	1246.8	1300
2025-04-01	1198.1	1154.4	1246.8	1300
2025-03-01	1198.1	1154.4	1246.8	1300
2025-02-01	1198.1	1154.4	1246.8	1300
2025-01-01	1198.1	1146.5	1246.8	1300
2024-12-01	1198.1	1146.5	1246.8	1300
2024-11-01	1198.1	1146.5	1246.8	1300
2024-10-01	1198.1	1146.5	1246.8	1300
2024-09-01	1198.1	1146.5	1246.8	1300
2024-08-01	1198.1	1146.5	1246.8	1300
2024-07-01	1198.1	1146.5	1246.8	1300
2024-06-01	1198.1	1146.5	1246.8	1300
2024-08-01	1198.1	1146.5	1246.8	1300
2024-04-01	1198.1	1146.5	1246.8	1300
2024-03-01	1198.1	1146.5	1246.8	1300
2024-02-01	1198.1	1146.5	1246.8	1300
2024-01-01	1198.1	1146.5	1246.8	1300
2023-12-01	1157.1	1146.5	1187.2	1200
2023-11-01	1203.9	1194.4	1187.2	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	2023 USSA Championships (Open)	2023-12-04	2023-12-08	Standard	Ethekwini (KED)	9	9	3	Yes	Analysis
2	NWU Vaal Open 2023 (A)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	Wits University 100 Chess Tournament 2023	2023-09-30	2023-09-30	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Hoerskool Drie Riviere Open 2023 (A)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Meyi, S (Sibabalwe)				Opponent Mpitula, A (Alone)
2	2	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Phosa, K (Khauhelo)				Opponent Moje, L (Lethabo)
3	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-08	rnd 9	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)

#	Games	Start				End
1	2	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Phosa, K (Khauhelo)				Opponent Moje, L (Lethabo)
2	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-08	rnd 9	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)
3	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-07	rnd 7	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Nkuinyika, N (Nico)				Opponent Nkuinyika, N (Nico)

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Meyi, S (Sibabalwe)				Opponent Mpitula, A (Alone)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Meyi, S (Sibabalwe)				Opponent Mpitula, A (Alone)
2	2	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Phosa, K (Khauhelo)				Opponent Moje, L (Lethabo)
3	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-08	rnd 9	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)

#	Games	Start				End
1	2	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Phosa, K (Khauhelo)				Opponent Moje, L (Lethabo)
2	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-08	rnd 9	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)
3	1	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-07	rnd 7	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Nkuinyika, N (Nico)				Opponent Nkuinyika, N (Nico)

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Meyi, S (Sibabalwe)				Opponent Mpitula, A (Alone)

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	Rametse ,M (Mason)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Rametse ,M (Mason)	1	1265.3	840.3	1	1269.3	840.3	0	0	0	0	0	0
2	Pienaar ,S (Stephen)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pienaar ,S (Stephen)	1	1107.7	682.7	1	1131.8	682.7	0	0	0	0	0	0
3	Moje ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Moje ,L (Lethabo)	1	1090.4	1515.4	1	1088.8	1515.4	0	0	0	0	0	0
4	Jack ,AW (Azile Wandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jack ,AW (Azile Wandile)	1	1642.8	1217.8	1	1617.2	1217.8	0	0	0	0	0	0
5	Hlatshwayo ,A (Amukelani)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Hlatshwayo ,A (Amukelani)	1	1249.9	824.9	1	1200	824.9	0	0	0	0	0	0
6	Moleko ,M (Morena)	1	1	425	1	1	425	0	0	0	0	0	0
6	Moleko ,M (Morena)	1	1162.4	1587.4	1	1172.9	1587.4	0	0	0	0	0	0
7	Masinda ,M (Mandisi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Masinda ,M (Mandisi)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mooki ,R (Remofilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mooki ,R (Remofilwe)	1	1208.7	783.7	1	1193.3	783.7	0	0	0	0	0	0
9	Sitwayo ,T (Thokozani)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sitwayo ,T (Thokozani)	1	1241.3	816.3	1	1242.5	816.3	0	0	0	0	0	0
10	Nkuinyika ,N (Nico)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nkuinyika ,N (Nico)	1	1129.6	1554.6	1	1122.2	1554.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Modiba, J (Jackson)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms