Chess South Africa Ratings Database

PLAYER PAGE

Personal

Griesel, J (Johanco)

Chess SA id

110094192

FIDE id

Date of birth

2010-03-26 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1171	1156.8	1218.4	1200
Raw rating	1171	1156.8	1218.4	1200
Weighted rating	1171	1156.8	1218.4	1200
Weighted performance	324.2	318.4	0	0
Floor	712.4	708	718.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.8	176.3	161.5	165.8
Highest rating	1212.4 2019-04-01	1209.6 2019-03-01	1296.4 2018-10-01	1200 2018-10-01
Highest raw rating	1212.4 2019-04-01	1208 2019-04-01	1218.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1212.4 2018-02-01	1208 2018-02-01	1218.4 2025-02-01	1200 2018-10-01
Highest weighted performance	1209.3 2019-03-01	1209.6 2019-03-01	1296.4 2018-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1171	1156.8	1218.4	1200
Analysis
Rating	1171	1156.8	1218.4	1200
Raw rating	1171	1156.8	1218.4	1200
Weighted rating	1171	1156.8	1218.4
Weighted performance	324.2	318.4	0
K-factor	36	36	36	36
Floor	712.4	708	718.4	700
Max/Min rating change allowed	172.8	176.3	161.5	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	1171	1156.8	1218.4	1200
New weighted rating	1171	1156.8	1218.4	1200
New weighted performance	317.3	311.7	0	0
Temp new rating	1171	1156.8	1218.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1171	1156.8	1218.4	1200
New K-factor	36	36	36	36
New floor	712.4	708	718.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	62	57	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
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	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	57	27.5	48.25	-14.9	1153.8	1138.9
Standard	52	24.5	47.12	-24.5	1153.9	1129.4
Rapid	5	3	60	85	1153	1238
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1171	1156.8	1218.4	1200
2025-09-30	1171	1156.8	1218.4	1200
2025-09-01	1171	1156.8	1218.4	1200
2025-08-01	1171	1156.8	1218.4	1200
2025-07-01	1171	1156.8	1218.4	1200
2025-06-01	1171	1156.8	1218.4	1200
2025-05-01	1171	1156.8	1218.4	1200
2025-04-01	1171	1156.8	1218.4	1200
2025-03-01	1171	1156.8	1218.4	1200
2025-02-01	1171	1156.8	1218.4	1200
2025-01-01	1171	1156.8	1218.4	1200
2024-12-01	1171	1156.8	1218.4	1200
2024-11-01	1171	1156.8	1218.4	1200
2024-10-01	1171	1156.8	1218.4	1200
2024-09-01	1171	1156.8	1218.4	1200
2024-08-01	1171	1156.8	1218.4	1200
2024-07-01	1171	1156.8	1218.4	1200
2024-09-01	1171	1156.8	1218.4	1200
2024-05-01	1171	1156.8	1218.4	1200
2024-04-01	1171	1156.8	1218.4	1200
2024-03-01	1171	1156.8	1218.4	1200
2024-02-01	1171	1156.8	1218.4	1200
2024-01-01	1171	1156.8	1218.4	1200
2023-12-01	1171	1156.8	1218.4	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	Alberton Chess Club Open 2020 (D)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
2	2019 Wild Card Chess Championship (U10 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
3	2019 South African Junior Team Championships (U10B)	2020-01-08	2020-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
4	Trichardt 4 2019 (C)	2019-11-30	2019-11-30	Standard	Gert Sibande (MGS)	5	5	2	Yes	Analysis
5	2019 Boksburg Chess Club Round Robin (M)	2019-09-28	2019-09-28	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
6	2019 Waterkloof Open (E)	2019-03-02	2019-03-02	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
7	Ekurhuleni Trials 1 2019 (U10)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
8	Boksburg Open 2019 (D)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	2	1	Yes	Analysis
10	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	1	0	Yes	Analysis
11	Sasol Highveld Open 3 of 2018 (U9)	2018-10-27	2018-10-27	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
12	Sparticus 7 2018	2018-09-01	2018-09-01	Standard	Gert Sibande (MGS)	5	4	0.5	Yes	Analysis
13	Standerton Chess Club 1st Tournament 2018 (C)	2018-03-17	2018-03-17	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Boksburg Open 2019				Tournament 2019 Waterkloof Open
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 0.5
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Beyers, S (Stephanus)
2	4	Tournament Trichardt 4 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Wayi, K (Karren)				Opponent Senekal, W (William)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament Alberton Chess Club Open 2020
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Mcquire, M (Mikael)				Opponent Bhika, J (Jyotikka)

#	Games	Start				End
1	6	Tournament Boksburg Open 2019				Tournament 2019 Waterkloof Open
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 0.5
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Beyers, S (Stephanus)
2	4	Tournament Trichardt 4 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Wayi, K (Karren)				Opponent Senekal, W (William)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament Alberton Chess Club Open 2020
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Mcquire, M (Mikael)				Opponent Bhika, J (Jyotikka)

#	Games	Start				End
1	2	Tournament Sasol Highveld Open 3 of 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-10-27	rnd 2	type Rapid	result 1	date 2018-10-27	rnd 3	type Rapid	result 1
		Opponent Mlonzi, H (Hlelo)				Opponent Khumalo, E (Eshile)
2	1	Tournament Sasol Highveld Open 3 of 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-10-27	rnd 5	type Rapid	result 1	date 2018-10-27	rnd 5	type Rapid	result 1
		Opponent Phala, M (Makhudu)				Opponent Phala, M (Makhudu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Boksburg Open 2019				Tournament 2019 Waterkloof Open
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Bogaard, A (Anneke)
2	4	Tournament Trichardt 4 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Wayi, K (Karren)				Opponent Senekal, W (William)
3	2	Tournament Ekurhuleni Trials 1 2019				Tournament 2019 Boksburg Chess Club Round Robin
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-09-28	rnd 1	type Standard	result 1
		Opponent Lourens, Z (Zanta)				Opponent Cannon, NC (Natalie Christene)

#	Games	Start				End
1	5	Tournament Boksburg Open 2019				Tournament 2019 Waterkloof Open
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Bogaard, A (Anneke)
2	4	Tournament Trichardt 4 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Wayi, K (Karren)				Opponent Senekal, W (William)
3	2	Tournament Ekurhuleni Trials 1 2019				Tournament 2019 Boksburg Chess Club Round Robin
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-09-28	rnd 1	type Standard	result 1
		Opponent Lourens, Z (Zanta)				Opponent Cannon, NC (Natalie Christene)

#	Games	Start				End
1	2	Tournament Sasol Highveld Open 3 of 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-10-27	rnd 2	type Rapid	result 1	date 2018-10-27	rnd 3	type Rapid	result 1
		Opponent Mlonzi, H (Hlelo)				Opponent Khumalo, E (Eshile)
2	1	Tournament Sasol Highveld Open 3 of 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-10-27	rnd 5	type Rapid	result 1	date 2018-10-27	rnd 5	type Rapid	result 1
		Opponent Phala, M (Makhudu)				Opponent Phala, M (Makhudu)

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	Mhlakaza ,O (Oko)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mhlakaza ,O (Oko)	2	1251.9	826.9	2	1258.6	826.9	0	0	0	0	0	0
2	Olivier ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Olivier ,F (Francois)	1	1094.5	669.5	1	1084.1	669.5	0	0	0	0	0	0
3	Van Den Berg ,MJ (Michiel Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Den Berg ,MJ (Michiel Jacobus)	1	1113.8	688.8	1	1100.1	688.8	0	0	0	0	0	0
4	Bogaard ,A (Anneke)	1	1	425	1	1	425	0	0	0	0	0	0
4	Bogaard ,A (Anneke)	1	1094.5	1519.5	1	1086.7	1519.5	0	0	0	0	0	0
5	Cloete ,D (Duncan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cloete ,D (Duncan)	1	586.4	161.4	1	586.4	161.4	0	0	0	0	0	0
6	Mtshali ,N (Ngcebo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mtshali ,N (Ngcebo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Dippenaar ,KR (Keanu Roy)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dippenaar ,KR (Keanu Roy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mtsweni ,S (Samkelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mtsweni ,S (Samkelo)	1	1246.5	821.5	1	1234	821.5	0	0	0	0	0	0
9	Bazhko ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bazhko ,A (Anton)	1	1285.4	860.4	1	1290.1	860.4	0	0	0	0	0	0
10	Van Niekerk ,JH (Johann Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Niekerk ,JH (Johann Hendrik)	1	1180	755	1	1173.6	755	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

Griesel, J (Johanco)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms