Chess South Africa Ratings Database

PLAYER PAGE

Personal

Otto, J (Johanne)

Chess SA id

2120138444

FIDE id

Date of birth

2012-05-31 (U14)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

22.5

Junior GPX Points

997.7

Item	Main	Standard	Rapid	Blitz
Rating	1187.5	1187.4	1126.7	1200
Raw rating	1134.3	1187.4	1063.3	1200
Weighted rating	1187.5	1187.4	1126.7	1200
Weighted performance	940.6	1055.3	952.6	0
Floor	761.1	754.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.1	168.8	201.5	165.8
Highest rating	1274.2 2024-09-01	1267.3 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1261.1 2024-10-01	1254.3 2024-10-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1261.1 2018-10-01	1254.3 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1274.2 2024-09-01	1267.3 2024-09-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.7	3.1	-4.2	0
New rating	1185.8	1190.5	1122.5	1200
Analysis
Rating	1187.5	1187.4	1126.7	1200
Raw rating	1134.3	1187.4	1063.3	1200
Weighted rating	1187.5	1187.4	1126.7
Weighted performance	940.6	1055.3	952.6
K-factor	36	36	36	36
Floor	761.1	754.3	700	700
Max/Min rating change allowed	182.1	168.8	201.5	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	1134.3	1187.4	1063.3	1200
New weighted rating	1185.8	1190.5	1122.5	1200
New weighted performance	934.7	1048.5	946.5	0
Temp new rating	1185.8	1190.5	1122.5	1200
Temp new rating +/-	-1.7	3.1	-4.2	0
Final new rating +/-	-1.7	3.1	-4.2	0
New rating	1185.8	1190.5	1122.5	1200
New K-factor	36	36	36	36
New floor	761.1	754.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	35	11	24
	39	29	10
	29	14	15
	14	14	0
	0	0	0
History	117	68	49

Games since
	Main 74	Standard 40		Rapid 34		Blitz 0
Gender	Female
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4204		1412		130
Female	1025		409		49
U14	826		278		26
U14 Female	241		100		12
Standard
	RSA		Province		Region
Overall	4166		1183		75
Female	1020		373		26
U14	816		221		17
U14 Female	245		88		8
Rapid
	RSA		Province		Region
Overall	1901		943		145
Female	470		246		53
U14	419		212		29
U14 Female	127		69		13
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	35	12.5	35.71	-121.4	1235.6	1114.2
Standard	11	3.5	31.82	-154.5	1275.8	1121.3
Rapid	24	9	37.5	-106.2	1217.2	1110.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	117	40	34.19	-134.4	1226.5	1092.1
Standard	68	24	35.29	-125	1232.8	1107.8
Rapid	49	16	32.65	-147.4	1217.8	1070.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1134.3	1187.4	1063.3	1200
2025-09-30	1134.3	1187.4	1063.3	1200
2025-09-01	1199.2	1187.4	1182.9	1200
2025-08-01	1199.2	1187.4	1182.9	1200
2025-07-01	1199.2	1187.4	1182.9	1200
2025-06-01	1199.2	1187.4	1182.9	1200
2025-05-01	1238.6	1233.7	1182.9	1200
2025-04-01	1238.6	1233.7	1182.9	1200
2025-03-01	1247.6	1254.3	1182.9	1200
2025-02-01	1261.1	1254.3	1095	1200
2025-01-01	1261.1	1254.3	1088	1200
2024-12-01	1261.1	1254.3	1088	1200
2024-11-01	1261.1	1254.3	1088	1200
2024-10-01	1261.1	1254.3	1088	1200
2024-09-01	1120.9	1103	1088	1200
2024-08-01	1120.9	1103	1088	1200
2024-07-01	1043.5	1016.8	1088	1200
2024-09-01	1043.5	1016.8	1088	1200
2024-05-01	1098.9	1088	1088	1200
2024-04-01	1098.9	1088	1088	1200
2024-03-01	1025.3	1010.8	1084.8	1200
2024-02-01	1025.3	1010.8	1084.8	1200
2024-01-01	1029.1	1010.8	1108	1200
2023-12-01	1029.1	1010.8	1108	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	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	0	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	0	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
7	Overberg GP Invitational Day 2 2024 (B)	2024-09-27	2024-09-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
8	Overberg GP Invitational Day 1 2024 (B)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U13 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	4	Yes	Analysis
10	Overberg Schools - Top Schools 2024 (U9-U15 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U13 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
12	Overberg Schools - PS Closed 2024 (U13 Girls)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
13	Overberg Schools - PS Trials Region 3 2024 (U13 Girls)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
14	Overberg Open Rapid 2024 (U13)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	1	Yes	Analysis
15	Bonnievale Open Rapid 2023 (U12)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	5	1	Yes	Analysis
16	Overberg Top Schools 2023 (U11)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	1.5	Yes	Analysis
17	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis
18	Overberg School Chess Closed Tournament 2023 (U11 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
19	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
20	Overberg Schools Open Tournament 2023 (U12)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	4	0.5	Yes	Analysis
21	Overberg Topskole 2022 (O11)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	6	4	0	Yes	Analysis
22	Western Cape Schools 2022 (U11 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	5	0.5	Yes	Analysis
23	Overberg Primary Schools Closed 2022 (U11 Girls)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Prins, C (Christiaan)				Opponent Qhina, L (Lisakhanya)
2	4	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg GP Invitational Day 1 2024
		date 2024-08-30	rnd 4	type Standard	result 1	date 2024-09-26	rnd 1	type Standard	result 1
		Opponent Pama, M (Mbasa)				Opponent Collins, E (Esme)
3	4	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 1	type Standard	result 0.5	date 2024-03-16	rnd 4	type Standard	result 0.5
		Opponent Rudman, A (Alana)				Opponent Du Preez, A (Alet)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg GP Invitational Day 1 2024
		date 2024-08-30	rnd 4	type Standard	result 1	date 2024-09-26	rnd 1	type Standard	result 1
		Opponent Pama, M (Mbasa)				Opponent Collins, E (Esme)
2	4	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 1	type Standard	result 0.5	date 2024-03-16	rnd 4	type Standard	result 0.5
		Opponent Rudman, A (Alana)				Opponent Du Preez, A (Alet)
3	2	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Els, C (Chelsey)				Opponent Barkhuysen, A (Ankia)

#	Games	Start				End
1	5	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Prins, C (Christiaan)				Opponent Qhina, L (Lisakhanya)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 2	type Rapid	result 1	date 2025-02-08	rnd 3	type Rapid	result 1
		Opponent Erasmus, L (Lerushka)				Opponent Booysen, J (Joshua)
3	2	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 1	type Rapid	result 0.5	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Buhr, G (Gretchen)				Opponent Collins, E (Esme)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg GP Invitational Day 1 2024
		date 2024-08-30	rnd 4	type Standard	result 1	date 2024-09-26	rnd 1	type Standard	result 1
		Opponent Pama, M (Mbasa)				Opponent Collins, E (Esme)
2	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Terblanche, Z (Zanna)				Opponent Qhina, L (Lisakhanya)
3	2	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Els, C (Chelsey)				Opponent Barkhuysen, A (Ankia)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg GP Invitational Day 1 2024
		date 2024-08-30	rnd 4	type Standard	result 1	date 2024-09-26	rnd 1	type Standard	result 1
		Opponent Pama, M (Mbasa)				Opponent Collins, E (Esme)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Els, C (Chelsey)				Opponent Barkhuysen, A (Ankia)
3	2	Tournament Overberg Schools - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Batyie, L (Liyema)				Opponent Smith, J (Juvhandre)

#	Games	Start				End
1	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Terblanche, Z (Zanna)				Opponent Qhina, L (Lisakhanya)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 2	type Rapid	result 1	date 2025-02-08	rnd 3	type Rapid	result 1
		Opponent Erasmus, L (Lerushka)				Opponent Booysen, J (Joshua)
3	2	Tournament Bonnievale Open Rapid 2023				Tournament Overberg Open Rapid 2024
		date 2023-10-21	rnd 6	type Rapid	result 1	date 2024-01-27	rnd 1	type Rapid	result 1
		Opponent Yese, N (Neliswa)				Opponent Pfukwa, P (Palesa)

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	Du Preez ,A (Alet)	7	2.5	-121.4	6	2.5	-70.8	1	0	-425	0	0	0
1	Du Preez ,A (Alet)	7	1237.5	1116	6	1233.3	1166.6	1	1137.6	812.5	0	0	0
2	Collins ,E (Esme)	7	2	-182.1	4	1	-212.5	3	1	-141.7	0	0	0
2	Collins ,E (Esme)	7	1190.8	1008.6	4	1182.1	978.3	3	1237	1049.1	0	0	0
3	Buhr ,G (Gretchen)	6	3	0	4	2.5	106.2	2	0.5	-212.5	0	0	0
3	Buhr ,G (Gretchen)	6	1244.1	1244.1	4	1237.5	1350.3	2	1175.8	1031.6	0	0	0
4	Stevens ,DA (Danielle-Ann)	4	0	-425	1	0	-425	3	0	-425	0	0	0
4	Stevens ,DA (Danielle-Ann)	4	1468.9	1043.9	1	1358.4	1043.9	3	1363.5	1043.9	0	0	0
5	Otto ,K (Karlien)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Otto ,K (Karlien)	3	1183.3	1466.6	3	1158.2	1466.6	0	0	0	0	0	0
6	Tait ,S (Savannah)	3	2	141.7	1	1	425	2	1	0	0	0	0
6	Tait ,S (Savannah)	3	1230.4	1372.1	1	1240.6	1655.4	2	1194.1	1230.4	0	0	0
7	Rudman ,A (Alana)	3	1	-141.7	1	0.5	0	2	0.5	-212.5	0	0	0
7	Rudman ,A (Alana)	3	1159.5	1017.9	1	1200	1159.5	2	1162	947	0	0	0
8	Henning ,N (Nicolas)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Henning ,N (Nicolas)	2	1229.6	804.6	2	1203.6	804.6	0	0	0	0	0	0
9	Lusawana ,A (Asonele)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Lusawana ,A (Asonele)	2	1303.5	878.5	2	1259.5	878.5	0	0	0	0	0	0
10	Somi ,O (Onwabe)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Somi ,O (Onwabe)	2	1210.2	785.2	2	1232.1	785.2	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

Otto, J (Johanne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms