Chess South Africa Ratings Database

PLAYER PAGE

Personal

Otto, J (Janco)

Chess SA id

109069965

FIDE id

Date of birth

2009-01-13 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-04-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	735.4	584.4	865.2	500
Raw rating	735.4	584.4	865.2	500
Weighted rating	735.4	583.6	865.2	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	321.4	398.6	267.2	449.5
Highest rating	1534.3 2018-05-01	1200 2024-02-01	1627.2 2018-05-01	1200 2024-02-01
Highest raw rating	735.4 2024-02-01	584.4 2024-02-01	865.2 2024-02-01	500 2024-02-01
Highest weighted rating	735.4 2024-11-01	584.4 2024-11-01	865.2 2024-11-01	500 2024-11-01
Highest weighted performance	1534.3 2018-05-01	1200 2024-02-01	1627.2 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	735.4	584.4	865.2	500
Analysis
Rating	735.4	584.4	865.2	500
Raw rating	735.4	584.4	865.2	500
Weighted rating	735.4	583.6	865.2
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	321.4	398.6	267.2	449.5
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	735.4	584.4	865.2	500
New weighted rating	735.4	584.1	865.2	500
New weighted performance	0	0	0	0
Temp new rating	735.4	584.4	865.2	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	735.4	584.4	865.2	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	7	0	7
	0	0	0
History	34	17	17

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	17	10	58.82	75	1165.6	1240.6
Standard	0	0	0	0	0	0
Rapid	17	10	58.82	75	1165.6	1240.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	735.4	584.4	865.2	500
2025-09-01	735.4	584.4	865.2	500
2025-08-01	735.4	584.4	865.2	500
2025-07-01	735.4	584.4	865.2	500
2025-06-01	735.4	584.4	865.2	500
2025-05-01	735.4	584.4	865.2	500
2025-04-01	735.4	584.4	865.2	500
2025-03-01	735.4	584.4	865.2	500
2025-02-01	735.4	584.4	865.2	500
2025-01-01	735.4	584.4	865.2	500
2024-12-01	735.4	584.4	865.2	500
2024-11-01	735.4	584.4	865.2	500
2024-10-01	735.4	584.4	865.2	500
2024-09-01	735.4	584.4	865.2	500
2024-08-01	735.4	584.4	865.2	500
2024-07-01	735.4	584.4	865.2	500
2024-06-01	735.4	584.4	865.2	500
2024-08-01	735.4	584.4	865.2	500
2024-04-01	735.4	584.4	865.2	500
2024-03-01	735.4	584.4	865.2	500
2024-02-01	735.4	584.4	865.2	500
2024-01-01	735.4	584.4	865.2	500
2023-12-01	735.4	500	865.2	500
2023-11-01	735.4	500	865.2	500

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	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3	Yes	Analysis
2	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Vuuren, M (Mari)				Opponent Booysen, A (Aj)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Coetzee, C (Cuan)				Opponent Roeloffze, D (Dian)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Van Der Merwe, R (Ruben)				Opponent Van Der Merwe, R (Ruben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Vuuren, M (Mari)				Opponent Booysen, A (Aj)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Coetzee, C (Cuan)				Opponent Roeloffze, D (Dian)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Van Der Merwe, R (Ruben)				Opponent Van Der Merwe, R (Ruben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Vuuren, M (Mari)				Opponent Booysen, A (Aj)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Coetzee, C (Cuan)				Opponent Roeloffze, D (Dian)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Van Der Merwe, R (Ruben)				Opponent Van Der Merwe, R (Ruben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Vuuren, M (Mari)				Opponent Booysen, A (Aj)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Coetzee, C (Cuan)				Opponent Roeloffze, D (Dian)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Van Der Merwe, R (Ruben)				Opponent Van Der Merwe, R (Ruben)

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	Van Der Merwe ,R (Ruben)	1	1	425	0	0	0	1	1	425	0	0	0
1	Van Der Merwe ,R (Ruben)	1	1031.9	1456.9	0	0	0	1	1200	1456.9	0	0	0
2	Roeloffze ,D (Dian)	1	1	425	0	0	0	1	1	425	0	0	0
2	Roeloffze ,D (Dian)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Booysen ,A (Aj)	1	1	425	0	0	0	1	1	425	0	0	0
3	Booysen ,A (Aj)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	Lange ,E (Emily)	1	1	425	0	0	0	1	1	425	0	0	0
4	Lange ,E (Emily)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Nel ,H (Henco)	1	1	425	0	0	0	1	1	425	0	0	0
5	Nel ,H (Henco)	1	1018.4	1443.4	0	0	0	1	1200	1443.4	0	0	0
6	Wheeler ,H (Henert)	1	1	425	0	0	0	1	1	425	0	0	0
6	Wheeler ,H (Henert)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Olivier ,L (Lienke)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Olivier ,L (Lienke)	1	1034.9	609.9	0	0	0	1	567.6	609.9	0	0	0
8	Kleynhans ,JC (Jacob Cornelius)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Kleynhans ,JC (Jacob Cornelius)	1	1109.9	684.9	0	0	0	1	1301.6	684.9	0	0	0
9	Bhudai ,A (Arman)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Bhudai ,A (Arman)	1	1194.8	769.8	0	0	0	1	1034.2	769.8	0	0	0
10	Janse Van Vuuren ,M (Mari)	1	1	425	0	0	0	1	1	425	0	0	0
10	Janse Van Vuuren ,M (Mari)	1	1138.8	1563.8	0	0	0	1	1200	1563.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Otto, J (Janco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms