Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kriel, R (Ruan)

Chess SA id

107064251

FIDE id

Date of birth

2007-08-22 (U20)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1164	1066.5	1088.3	546.4
Raw rating	1164	1066.5	1088.3	546.4
Weighted rating	1164	1066.5	1088.3	546.4
Weighted performance	805.8	438.7	789.2	0
Floor	667.7	566.5	588.3	500
K-factor	40	40	40	40
Min/Max rating change allowed	174.5	200.6	194.4	420.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	1167.7 2023-02-01	1066.5 2024-02-01	1088.3 2024-02-01	546.4 2024-02-01
Highest weighted rating	1167.7 2024-11-01	1066.5 2024-11-01	1088.3 2024-11-01	546.4 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1164	1066.5	1088.3	546.4
Analysis
Rating	1164	1066.5	1088.3	546.4
Raw rating	1164	1066.5	1088.3	546.4
Weighted rating	1164	1066.5	1088.3
Weighted performance	805.8	438.7	789.2
K-factor	40	40	40	40
Floor	667.7	566.5	588.3	500
Max/Min rating change allowed	174.5	200.6	194.4	420.8
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	1164	1066.5	1088.3	546.4
New weighted rating	1164	1066.5	1088.3	546.4
New weighted performance	799.2	432.4	782.6	0
Temp new rating	1164	1066.5	1088.3	546.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1164	1066.5	1088.3	546.4
New K-factor	40	40	40	40
New floor	667.7	566.5	588.3	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	20	5	15
	15	0	15
	5	0	5
History	220	185	35

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	139	60	43.17	-58.1	1041.6	983.5
Standard	104	42.5	40.87	-77.6	981.5	903.9
Rapid	35	17.5	50	0	1220	1220
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1164	1066.5	1088.3	546.4
2025-09-30	1164	1066.5	1088.3	546.4
2025-09-01	1164	1066.5	1088.3	546.4
2025-08-01	1164	1066.5	1088.3	546.4
2025-07-01	1164	1066.5	1088.3	546.4
2025-06-01	1164	1066.5	1088.3	546.4
2025-05-01	1164	1066.5	1088.3	546.4
2025-04-01	1164	1066.5	1088.3	546.4
2025-03-01	1164	1066.5	1088.3	546.4
2025-02-01	1164	1066.5	1088.3	546.4
2025-01-01	1164	1066.5	1088.3	546.4
2024-12-01	1164	1066.5	1088.3	546.4
2024-11-01	1164	1066.5	1088.3	546.4
2024-10-01	1164	1066.5	1088.3	546.4
2024-09-01	1164	1066.5	1088.3	546.4
2024-08-01	1164	1066.5	1088.3	546.4
2024-07-01	1164	1066.5	1088.3	546.4
2024-09-01	1164	1066.5	1088.3	546.4
2024-05-01	1164	1066.5	1088.3	546.4
2024-04-01	1164	1066.5	1088.3	546.4
2024-03-01	1164	1066.5	1088.3	546.4
2024-02-01	1164	1066.5	1088.3	546.4
2024-01-01	1164	1066.5	1088.3	546.4
2023-12-01	1164	1066.5	1088.3	546.4

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	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
2	Bloemfontein HS League 27 October 2023 (U19)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Inter Regional Chess Championship 2023 (U18)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
4	Kings & Queens Chess 21 January 2023 (B)	2023-01-21	2023-01-21	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
5	Bloemfontein School League 2022 (U19)	2022-08-12	2022-08-12	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
6	Mangaung Metro Chess 13 August 2022 (B)	2022-08-13	2022-08-13	Rapid	Mangaung (FMB)	5	0	0	No	Analysis
7	Mangaung Metro Chess 30 July 2022 (B)	2022-07-30	2022-07-30	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
8	Mangaung Metro Chess 22 January 2022 (B)	2022-01-22	2022-01-22	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
9	Mangaung Metro Chess 28 August 2021 (B)	2021-08-28	2021-08-28	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
10	Mangaung Metro Chess 17-18 January 2020 (C)	2020-01-17	2020-01-18	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
11	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
12	Mangaung Metro Chess October 2019 (D)	2019-10-11	2019-10-12	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
13	Mangaung Metro July Trials 2019 (U14)	2019-07-19	2019-07-20	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
14	Inter Regional Chess Championship 2019 (U14)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
15	Mangaung Metro Chess 12 to 13 April 2019 (D)	2019-04-12	2019-04-13	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
16	Mangaung Metro Chess 15-16 March 2019 (D)	2019-03-15	2019-03-16	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
17	Mangaung Metro Chess 1-2 February 2019 (D)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
18	Mangaung Metro Chess 18-19 January 2019 (D)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
19	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
20	Mangaung Metro Chess12 & 13 October 2018 (D)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
21	Mangaung Metro Chess 27-28 July 2018 (D)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
22	Mangaung Metro Chess 1-2 June 2018 (D)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
23	Inter Regional 2018 (U12 Individual)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	4	1	Yes	Analysis
24	Mangaung Metro Chess 20-21 April 2018 (E)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
25	Mangaung Metro Chess 9 - 10 March 2018 (E)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
26	Mangaung Metro Chess 2 & 3 February 2018 (D)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
27	Mangaung Metro Chess 19 & 20 January 2018 (E)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
28	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Xaba, B (Boitumelo)
2	3	Tournament Kings & Queens Chess 21 January 2023				Tournament Kings & Queens Chess 21 January 2023
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Van Niekerk, A (Adrian)				Opponent Maass, T (Tanya)
3	3	Tournament Mangaung Metro Chess 30 July 2022				Tournament Mangaung Metro Chess 30 July 2022
		date 2022-07-30	rnd 2	type Rapid	result 1	date 2022-07-30	rnd 4	type Rapid	result 1
		Opponent Kotze, R (Ruan)				Opponent Grace, G (Garran)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Xaba, B (Boitumelo)
2	3	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Mangaung Metro Chess 20-21 April 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-20	rnd 2	type Standard	result 1
		Opponent Boje, E (Ewald)				Opponent Beelders, K (Kyra)
3	2	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-20	rnd 4	type Standard	result 0.5	date 2023-05-20	rnd 5	type Standard	result 0.5
		Opponent Melville, J (Joalize)				Opponent Mthimkulu, N (Ndlandla)

#	Games	Start				End
1	3	Tournament Kings & Queens Chess 21 January 2023				Tournament Kings & Queens Chess 21 January 2023
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Van Niekerk, A (Adrian)				Opponent Maass, T (Tanya)
2	3	Tournament Mangaung Metro Chess 30 July 2022				Tournament Mangaung Metro Chess 30 July 2022
		date 2022-07-30	rnd 2	type Rapid	result 1	date 2022-07-30	rnd 4	type Rapid	result 1
		Opponent Kotze, R (Ruan)				Opponent Grace, G (Garran)
3	2	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-27	rnd 3	type Rapid	result 1	date 2023-10-27	rnd 4	type Rapid	result 1
		Opponent Els, C (Christiaan)				Opponent Khota, N (Neo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Xaba, B (Boitumelo)
2	3	Tournament Kings & Queens Chess 21 January 2023				Tournament Kings & Queens Chess 21 January 2023
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Van Niekerk, A (Adrian)				Opponent Maass, T (Tanya)
3	3	Tournament Mangaung Metro Chess 30 July 2022				Tournament Mangaung Metro Chess 30 July 2022
		date 2022-07-30	rnd 2	type Rapid	result 1	date 2022-07-30	rnd 4	type Rapid	result 1
		Opponent Kotze, R (Ruan)				Opponent Grace, G (Garran)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Xaba, B (Boitumelo)
2	3	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Mangaung Metro Chess 20-21 April 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-20	rnd 2	type Standard	result 1
		Opponent Boje, E (Ewald)				Opponent Beelders, K (Kyra)
3	2	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Arthur, T (Ty)				Opponent Molobye, T (Tlotlang)

#	Games	Start				End
1	3	Tournament Kings & Queens Chess 21 January 2023				Tournament Kings & Queens Chess 21 January 2023
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Van Niekerk, A (Adrian)				Opponent Maass, T (Tanya)
2	3	Tournament Mangaung Metro Chess 30 July 2022				Tournament Mangaung Metro Chess 30 July 2022
		date 2022-07-30	rnd 2	type Rapid	result 1	date 2022-07-30	rnd 4	type Rapid	result 1
		Opponent Kotze, R (Ruan)				Opponent Grace, G (Garran)
3	2	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-27	rnd 3	type Rapid	result 1	date 2023-10-27	rnd 4	type Rapid	result 1
		Opponent Els, C (Christiaan)				Opponent Khota, N (Neo)

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	Melville ,J (Jason)	4	0.5	-318.8	2	0	-425	2	0.5	-212.5	0	0	0
1	Melville ,J (Jason)	4	989.7	670.9	2	812.5	564.7	2	949.8	777.2	0	0	0
2	Els ,C (Christiaan)	4	2	0	0	0	0	4	2	0	0	0	0
2	Els ,C (Christiaan)	4	1301.2	1301.2	0	0	0	4	1244.2	1301.2	0	0	0
3	Bouwer ,L (Luan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Bouwer ,L (Luan)	3	795.5	653.8	3	789.1	653.8	0	0	0	0	0	0
4	Liversage ,S (Samuel)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Liversage ,S (Samuel)	3	730.9	872.5	3	727.3	872.5	0	0	0	0	0	0
5	Beelders ,R (Ryan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Beelders ,R (Ryan)	3	915.5	632.2	3	914.8	632.2	0	0	0	0	0	0
6	Beelders ,A (Andrew)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Beelders ,A (Andrew)	3	766.9	625.2	3	780.2	625.2	0	0	0	0	0	0
7	Kotze ,R (Ruan)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
7	Kotze ,R (Ruan)	3	1131.4	989.8	1	677.8	706.4	2	692	1131.4	0	0	0
8	Melville ,J (Joalize)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Melville ,J (Joalize)	2	771.8	984.3	2	752.7	984.3	0	0	0	0	0	0
9	Griesel ,A (Arno)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Griesel ,A (Arno)	2	812.8	387.8	2	808.8	387.8	0	0	0	0	0	0
10	Molemi ,K (Katleho)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Molemi ,K (Katleho)	2	752.7	327.7	2	752.2	327.7	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, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms