Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kriel, D (Devin)

Chess SA id

1080097365

FIDE id

Date of birth

2008-06-01 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-06-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.3	1318	1130.1	1200
Raw rating	1278.3	1318	1130.1	1200
Weighted rating	1274.9	1316.9	1121	1200
Weighted performance	1014.9	1095.4	0	0
Floor	822.2	818	709.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.3	140.2	183.2	165.8
Highest rating	1346.7 2023-06-01	1334 2018-04-01	1238.3 2023-05-01	1200 2018-10-01
Highest raw rating	1322.2 2024-02-01	1318 2024-07-01	1209.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1322.2 2024-04-01	1316.3 2025-08-01	1209.2 2024-04-01	1200 2018-10-01
Highest weighted performance	1346.7 2023-06-01	1334 2018-04-01	1238.3 2023-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1278.3	1318	1130.1	1200
Analysis
Rating	1278.3	1318	1130.1	1200
Raw rating	1278.3	1318	1130.1	1200
Weighted rating	1274.9	1316.9	1121
Weighted performance	1014.9	1095.4	0
K-factor	36	36	36	36
Floor	822.2	818	709.2	700
Max/Min rating change allowed	148.3	140.2	183.2	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	1278.3	1318	1130.1	1200
New weighted rating	1274.8	1317.1	1120.8	1200
New weighted performance	1014.5	1095	0	0
Temp new rating	1278.3	1318	1130.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1278.3	1318	1130.1	1200
New K-factor	36	36	36	36
New floor	822.2	818	709.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	30	24	6
	24	14	10
	37	37	0
	0	0	0
History	118	102	16

Games since
	Main 30	Standard 24		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
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	118	56	47.46	-21.6	1218.2	1196.6
Standard	102	51	50	0	1217.8	1217.8
Rapid	16	5	31.25	-159.4	1220.6	1061.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1278.3	1318	1130.1	1200
2025-09-01	1278.3	1318	1130.1	1200
2025-08-01	1278.3	1318	1130.1	1200
2025-07-01	1278.3	1318	1130.1	1200
2025-06-01	1278.3	1318	1130.1	1200
2025-05-01	1278.3	1318	1130.1	1200
2025-04-01	1278.3	1318	1130.1	1200
2025-03-01	1278.3	1318	1130.1	1200
2025-02-01	1277.6	1318	1129	1200
2025-01-01	1264.5	1318	1086.1	1200
2024-12-01	1264.5	1318	1086.1	1200
2024-11-01	1264.5	1318	1086.1	1200
2024-10-01	1264.5	1318	1086.1	1200
2024-09-01	1264.5	1318	1086.1	1200
2024-08-01	1264.5	1318	1086.1	1200
2024-07-01	1264.5	1318	1086.1	1200
2024-06-01	1250.2	1312.6	1086.1	1200
2024-08-01	1209.9	1285.6	1086.1	1200
2024-04-01	1322.2	1317.3	1209.2	1200
2024-03-01	1322.2	1317.3	1209.2	1200
2024-02-01	1322.2	1317.3	1209.2	1200
2024-01-01	1311	1307.9	1209.2	1200
2023-12-01	1311	1307.9	1209.2	1200
2023-11-01	1311	1307.9	1209.2	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	AG Visser Open 2024 (B)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
2	Ekurhuleni North High School Individuals 2024 (U18 Boys)	2024-05-24	2024-05-24	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Ekurhuleni Open 2024 (B)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	0	Yes	Analysis
5	Vaalpark Primary Chess Open 2024 (B)	2024-04-13	2024-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
6	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	Ekurhuleni Chess Trial 3 2023 (U16)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
9	Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
10	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	5	2	Yes	Analysis
11	Ekurhuleni Trials 2 2023 (U16)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
12	ACB Tournament 2022 (A)	2022-10-07	2022-10-08	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
13	Ekurhuleni-North Schools Teams 2022 (U15)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	ACB Invitation Chess Tournament 2022 (U15)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
15	2022 Gauteng Schools Individual Chess Championship (U15 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	Ekurhuleni-North Schools Finals Indiv 2022 (U15 Boys)	2022-05-14	2022-05-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
17	ACB Premier 2022 (High School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
18	ACB Premier 2022 (U15)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	7	3	Yes	Analysis
19	D7 Primary School League 2019 (U11)	2019-08-03	2019-08-03	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
20	D7 Individuals 2019 (U11 Boys)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
21	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	Heidelberg Skaak Klub 2018 (Team 12)	2018-05-05	2018-05-05	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
23	D7 Primary School League 2023 (U11 Boys+Mixed)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
24	D7 Individual 2018 (U11 Boys)	2018-02-24	2018-02-24	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Joubert, J (Juan)				Opponent Schroeder, C (Conner)
2	5	Tournament D7 Primary School League 2019				Tournament ACB Premier 2022
		date 2019-08-03	rnd 2	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Vogel, S (Stian)				Opponent Marais, D (Dylan)
3	4	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-24	rnd 1	type Standard	result 1	date 2024-05-24	rnd 4	type Standard	result 1
		Opponent Kutarypo, P (Peace)				Opponent Du Plessis, N (Nickel)

#	Games	Start				End
1	7	Tournament Vaalpark Primary Chess Open 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-04-13	rnd 3	type Standard	result 0.5	date 2024-05-24	rnd 4	type Standard	result 1
		Opponent Erwee, M (Marko)				Opponent Du Plessis, N (Nickel)
2	5	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Joubert, J (Juan)				Opponent Schroeder, C (Conner)
3	5	Tournament D7 Primary School League 2019				Tournament ACB Premier 2022
		date 2019-08-03	rnd 2	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Vogel, S (Stian)				Opponent Marais, D (Dylan)

#	Games	Start				End
1	3	Tournament NWU Super 16 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-04-21	rnd 7	type Rapid	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Cremer, Z (Zander)				Opponent Whitehead, J (Jonathan)
2	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 4	type Rapid	result 1	date 2023-05-19	rnd 4	type Rapid	result 1
		Opponent Nguba, O (Olivier)				Opponent Nguba, O (Olivier)
3	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 4	type Rapid	result 1	date 2023-04-21	rnd 4	type Rapid	result 1
		Opponent Nkosi, M (Msizi)				Opponent Nkosi, M (Msizi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament D7 Primary School League 2019				Tournament ACB Premier 2022
		date 2019-08-03	rnd 2	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Vogel, S (Stian)				Opponent Marais, D (Dylan)
2	4	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Twala, T (Tsebo)				Opponent Prinsloo, B (Bronwyn)
3	3	Tournament Ekurhuleni Trials 2 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Malahlela, M (Mpho Leon)

#	Games	Start				End
1	5	Tournament D7 Primary School League 2019				Tournament ACB Premier 2022
		date 2019-08-03	rnd 2	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Vogel, S (Stian)				Opponent Marais, D (Dylan)
2	4	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 1	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Twala, T (Tsebo)				Opponent Prinsloo, B (Bronwyn)
3	3	Tournament Ekurhuleni Trials 2 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Malahlela, M (Mpho Leon)

#	Games	Start				End
1	3	Tournament NWU Super 16 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-04-21	rnd 7	type Rapid	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Cremer, Z (Zander)				Opponent Whitehead, J (Jonathan)
2	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 4	type Rapid	result 1	date 2023-05-19	rnd 4	type Rapid	result 1
		Opponent Nguba, O (Olivier)				Opponent Nguba, O (Olivier)
3	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 4	type Rapid	result 1	date 2023-04-21	rnd 4	type Rapid	result 1
		Opponent Nkosi, M (Msizi)				Opponent Nkosi, M (Msizi)

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 Wyk ,J (Jonathan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Wyk ,J (Jonathan)	2	1019.2	1019.2	2	1016.8	1019.2	0	0	0	0	0	0
2	Chamo ,M (Mpho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Chamo ,M (Mpho)	2	1213.7	1426.2	2	1196.6	1426.2	0	0	0	0	0	0
3	Viljoen ,H (Henning)	2	1	0	2	1	0	0	0	0	0	0	0
3	Viljoen ,H (Henning)	2	1551.2	1551.2	2	1574.1	1551.2	0	0	0	0	0	0
4	Hamilton-Hall ,R (Riley)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Hamilton-Hall ,R (Riley)	2	1265.1	840.1	2	1225.3	840.1	0	0	0	0	0	0
5	Kutarypo ,P (Peace)	2	2	425	2	2	425	0	0	0	0	0	0
5	Kutarypo ,P (Peace)	2	1178.3	1603.3	2	1174.1	1603.3	0	0	0	0	0	0
6	Waring ,C (Caydence)	1	1	425	1	1	425	0	0	0	0	0	0
6	Waring ,C (Caydence)	1	1412.2	1837.2	1	1415	1837.2	0	0	0	0	0	0
7	Busili ,I (Ishmael)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Busili ,I (Ishmael)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Coetzee ,J (Jaco)	1	1	425	1	1	425	0	0	0	0	0	0
8	Coetzee ,J (Jaco)	1	984.2	1409.2	1	981	1409.2	0	0	0	0	0	0
9	Britz ,T (Tristan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Britz ,T (Tristan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Van Staden ,D (Dantus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Staden ,D (Dantus)	1	661.4	236.4	1	681.8	236.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kriel, D (Devin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms