Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kobese, I (Inga)

Chess SA id

2070305226

FIDE id

Date of birth

2007-02-19 (U20)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

24.2

Junior GPX Points

1111.3

Item	Main	Standard	Rapid	Blitz
Rating	1241.9	1217.8	1219.2	1200
Raw rating	1230.1	1217.8	1219.2	1200
Weighted rating	1173.4	1201.2	1154.4	1200
Weighted performance	1241.9	0	1157	0
Floor	730.1	717.8	719.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.9	161.7	161.3	165.8
Highest rating	1241.9 2025-09-30	1217.8 2025-09-30	1219.2 2025-09-01	1200 2024-05-01
Highest raw rating	1230.1 2025-09-30	1217.8 2025-09-30	1219.2 2025-09-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1201.2 2025-09-30	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1241.9 2025-09-30	1200 2024-05-01	1200 2024-12-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	0	0	0
New rating	1241.4	1217.8	1219.2	1200
Analysis
Rating	1241.9	1217.8	1219.2	1200
Raw rating	1230.1	1217.8	1219.2	1200
Weighted rating	1173.4	1201.2	1154.4
Weighted performance	1241.9	0	1157
K-factor	36	36	36	36
Floor	730.1	717.8	719.2	700
Max/Min rating change allowed	158.9	161.7	161.3	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	1230.1	1217.8	1219.2	1200
New weighted rating	1177.8	1202.6	1159.3	1200
New weighted performance	1241.4	0	1156.5	0
Temp new rating	1241.4	1217.8	1219.2	1200
Temp new rating +/-	-0.4	0	0	0
Final new rating +/-	-0.4	0	0	0
New rating	1241.4	1217.8	1219.2	1200
New K-factor	36	36	36	36
New floor	730.1	717.8	719.2	700

Item	Main	Standard	Rapid
	0	0	0
	30	15	15
	9	0	9
	0	0	0
	0	0	0
	0	0	0
History	39	15	24

Games since
	Main 39	Standard 15		Rapid 24		Blitz 0
Gender	Female
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1511		757		186
Female	316		177		52
U20	99		53		20
U20 Female	14		6		3
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-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	30	13.5	45	-42.5	1298.9	1256.4
Standard	15	5.5	36.67	-113.3	1326	1212.6
Rapid	15	8	53.33	28.3	1271.7	1300.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	15	38.46	-98.1	1271.8	1173.7
Standard	15	5.5	36.67	-113.3	1326	1212.6
Rapid	24	9.5	39.58	-88.5	1237.9	1149.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1230.1	1217.8	1219.2	1200
2025-09-01	1216.3	1199.8	1219.2	1200
2025-08-01	1196.6	1199.8	1194.4	1200
2025-07-01	1163.7	1199.6	1145.9	1200
2025-06-01	1163.7	1197.6	1145.9	1200
2025-05-01	1166.7	1200	1145.9	1200
2025-04-01	1166.7	1200	1145.9	1200
2025-03-01	1166.7	1200	1145.9	1200
2025-02-01	1165.5	1200	1143.6	1200
2025-01-01	1130.4	1200	1084.8	1200
2024-12-01	1130.4	1200	1084.8	1200
2024-11-01	1150.1	1200	1119.2	1200
2024-10-01	1150.1	1200	1119.2	1200
2024-09-01	1150.1	1200	1119.2	1200
2024-08-01	1150.1	1200	1119.2	1200
2024-07-01	1150.1	1200	1119.2	1200
2024-06-01	1150.1	1200	1119.2	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	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	1.5	Yes	Analysis
2	Rooibos Open 2025 (Intermediate)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
3	Pedro Booyse Top Schools 2025 (U19)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	3	Yes	Analysis
4	Lower West Coast Top Schools 2025 (U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
5	West Coast And Mykonos Open 2025 (Open)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	4	1	Yes	Analysis
6	Lower West Coast Prestige 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	1.5	Yes	Analysis
2	Rooibos Open 2025 (Intermediate)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
3	Pedro Booyse Top Schools 2025 (U19)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	3	Yes	Analysis
4	Lower West Coast Top Schools 2025 (U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
5	West Coast And Mykonos Open 2025 (Open)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	4	1	Yes	Analysis
6	Lower West Coast Prestige 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
7	West Coast Grand Challange League 2024 (HS Development)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
8	Brenton Cupido West Coast Schools Championship 2024 (High School)	2024-05-25	2024-05-25	Rapid	West Coast (WCU)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 2	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Deminis, W (Wilkeanan)				Opponent Maarman, L (Luciano)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Spoelstra, R (Robey)				Opponent Flink, M (Marc-Ethan)
3	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Mcquire, C (Craig)				Opponent Mqulwana, L (Lethu)

#	Games	Start				End
1	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 2	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Deminis, W (Wilkeanan)				Opponent Maarman, L (Luciano)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 0.5	date 2025-09-06	rnd 4	type Standard	result 0.5
		Opponent Cloete, A (Alesundro)				Opponent Cloete, A (Alesundro)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Skippers, C (Clyde)				Opponent Skippers, C (Clyde)

#	Games	Start				End
1	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Spoelstra, R (Robey)				Opponent Flink, M (Marc-Ethan)
2	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Mcquire, C (Craig)				Opponent Mqulwana, L (Lethu)
3	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Burger, J (Jordan)				Opponent Clemitson, A (Alexander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 2	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Deminis, W (Wilkeanan)				Opponent Maarman, L (Luciano)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Spoelstra, R (Robey)				Opponent Flink, M (Marc-Ethan)
3	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Mcquire, C (Craig)				Opponent Mqulwana, L (Lethu)

#	Games	Start				End
1	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 2	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Deminis, W (Wilkeanan)				Opponent Maarman, L (Luciano)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Skippers, C (Clyde)				Opponent Skippers, C (Clyde)
3	1	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 5	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Baardman, J (Jason)				Opponent Baardman, J (Jason)

#	Games	Start				End
1	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Spoelstra, R (Robey)				Opponent Flink, M (Marc-Ethan)
2	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Mcquire, C (Craig)				Opponent Mqulwana, L (Lethu)
3	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Burger, J (Jordan)				Opponent Clemitson, A (Alexander)

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	Maarman ,L (Luciano)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Maarman ,L (Luciano)	2	1190.8	1190.8	1	1194.8	1615.8	1	1186.9	765.8	0	0	0
2	Flink ,M (Marc-Ethan)	2	1	0	0	0	0	2	1	0	0	0	0
2	Flink ,M (Marc-Ethan)	2	1337.3	1337.3	0	0	0	2	1267.6	1337.3	0	0	0
3	Gentles ,A (Abrian)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Gentles ,A (Abrian)	2	1371.1	946.1	0	0	0	2	1327.6	946.1	0	0	0
4	Spoelstra ,R (Robey)	2	2	425	0	0	0	2	2	425	0	0	0
4	Spoelstra ,R (Robey)	2	1274	1699	0	0	0	2	1283.7	1699	0	0	0
5	Lewaks ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lewaks ,A (Andre)	1	1384.5	959.5	1	1359.5	959.5	0	0	0	0	0	0
6	Bell ,N (Neyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bell ,N (Neyo)	1	1277.6	852.6	1	1238.4	852.6	0	0	0	0	0	0
7	Muller ,K (Kieran)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Muller ,K (Kieran)	1	1593.1	1168.1	1	1578.4	1168.1	0	0	0	0	0	0
8	Brink ,K (Kiran)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Brink ,K (Kiran)	1	1311.3	886.3	1	1351.3	886.3	0	0	0	0	0	0
9	De Waal ,E (Erik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Waal ,E (Erik)	1	1503.3	1078.3	1	1486.7	1078.3	0	0	0	0	0	0
10	Huysamen ,A (Albertus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Huysamen ,A (Albertus)	1	1262	837	1	1165.8	837	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

Kobese, I (Inga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms