Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, R (Ryan)

Chess SA id

1090137439

FIDE id

Date of birth

2009-01-23 (U18)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1356.8	1339.6	1363.9	1256.8
Raw rating	1356.8	1339.6	1363.9	1256.8
Weighted rating	1355.2	1337.5	1363.9	1256.8
Weighted performance	1023.1	1014.3	0	0
Floor	861.7	839.6	863.9	756.8
K-factor	36	36	36	36
Min/Max rating change allowed	132.6	135.9	131.3	152.9
Highest rating	1394.8 2022-10-01	1444.5 2022-06-01	1526.3 2022-10-01	1374.2 2023-02-01
Highest raw rating	1361.7 2023-03-01	1339.6 2024-06-01	1363.9 2024-02-01	1256.8 2024-02-01
Highest weighted rating	1353.2 2025-08-01	1334.9 2025-08-01	1363.9 2025-02-01	1256.8 2025-02-01
Highest weighted performance	1394.8 2022-10-01	1444.5 2022-06-01	1526.3 2022-10-01	1374.2 2023-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1356.8	1339.6	1363.9	1256.8
Analysis
Rating	1356.8	1339.6	1363.9	1256.8
Raw rating	1356.8	1339.6	1363.9	1256.8
Weighted rating	1355.2	1337.5	1363.9
Weighted performance	1023.1	1014.3	0
K-factor	36	36	36	36
Floor	861.7	839.6	863.9	756.8
Max/Min rating change allowed	132.6	135.9	131.3	152.9
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	1356.8	1339.6	1363.9	1256.8
New weighted rating	1355.6	1338.1	1363.9	1256.8
New weighted performance	1015.2	1006.5	0	0
Temp new rating	1356.8	1339.6	1363.9	1256.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1356.8	1339.6	1363.9	1256.8
New K-factor	36	36	36	36
New floor	861.7	839.6	863.9	756.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	5	0	0
	43	31	6	6
	34	23	11	0
	0	0	0	0
History	82	59	17	6

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	82	51	62.2	103.7	1269.2	1372.8
Standard	59	33.5	56.78	57.6	1274.4	1332.1
Rapid	17	12.5	73.53	200	1275.3	1475.3
Blitz	6	5	83.33	283.3	1200	1483.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1356.8	1339.6	1363.9	1256.8
2025-09-30	1356.8	1339.6	1363.9	1256.8
2025-09-01	1356.8	1339.6	1363.9	1256.8
2025-08-01	1356.8	1339.6	1363.9	1256.8
2025-07-01	1356.8	1339.6	1363.9	1256.8
2025-06-01	1356.8	1339.6	1363.9	1256.8
2025-05-01	1356.8	1339.6	1363.9	1256.8
2025-04-01	1356.8	1339.6	1363.9	1256.8
2025-03-01	1356.8	1339.6	1363.9	1256.8
2025-02-01	1356.8	1339.6	1363.9	1256.8
2025-01-01	1356.8	1339.6	1363.9	1256.8
2024-12-01	1356.8	1339.6	1363.9	1256.8
2024-11-01	1356.8	1339.6	1363.9	1256.8
2024-10-01	1356.8	1339.6	1363.9	1256.8
2024-09-01	1356.8	1339.6	1363.9	1256.8
2024-08-01	1356.8	1339.6	1363.9	1256.8
2024-07-01	1356.8	1339.6	1363.9	1256.8
2024-09-01	1356.8	1339.6	1363.9	1256.8
2024-05-01	1333.5	1309	1363.9	1256.8
2024-04-01	1333.5	1309	1363.9	1256.8
2024-03-01	1333.5	1309	1363.9	1256.8
2024-02-01	1333.5	1309	1363.9	1256.8
2024-01-01	1333.5	1309	1363.9	1256.8
2023-12-01	1333.5	1309	1363.9	1256.8

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	Spartan Bishops Chess Championships 2024 (Bishops)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	SBDCU Trial 1 2024 (U16)	2024-02-23	2024-02-24	Standard	Sarah Baartman (ESB)	6	0	0	No	Analysis
3	Eastern Cape Provincial Individual Championship 2023 (U16 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	5	3	Yes	Analysis
4	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
5	SBDCU Closed Trials 2023 (U16 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
6	Fountains Mall Open 2023 (B)	2023-05-12	2023-05-13	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
7	SBDCU Trial 2 2023 (U16)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
8	SBDCU Trial 1 2023 (U16)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
9	Stulting Chess Tournament 2023 (Senior)	2023-02-18	2023-02-18	Rapid	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
10	Jefrreys Bay CC 1st Blitz 2023	2023-02-09	2023-02-09	Blitz	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
11	Eatern Cape Provincial Chess Championship 2022 (U14 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	6	2.5	Yes	Analysis
12	Bloeisel Fees 2022 (Primary School A)	2022-10-29	2022-10-29	Rapid	Sarah Baartman (ESB)	7	6	5.5	Yes	Analysis
13	Kouga Mayarol Cup 2022 (U13)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
14	SBDCU Trials 2022 (U14)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
15	Humansdorp CMC Trials 2022	2022-05-20	2022-05-20	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
16	SBDCU First Fide Rated Open Tournament Fountains Mall 2022 (B)	2022-02-18	2022-02-19	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament Eatern Cape Provincial Chess Championship 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-10-01	rnd 4	type Standard	result 0.5	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Tyobeka, K (Kholo)				Opponent Olifant, O (Owothando)
2	5	Tournament Fountains Mall Open 2023				Tournament SBDCU Closed Trials 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-07-28	rnd 1	type Standard	result 1
		Opponent Stolz, F (Flinando)				Opponent Fourie, N (Neelon)
3	5	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Stulting Chess Tournament 2023
		date 2023-02-09	rnd 4	type Blitz	result 1	date 2023-02-18	rnd 2	type Rapid	result 0.5
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	5	Tournament Fountains Mall Open 2023				Tournament SBDCU Closed Trials 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-07-28	rnd 1	type Standard	result 1
		Opponent Stolz, F (Flinando)				Opponent Fourie, N (Neelon)
2	5	Tournament SBDCU First Fide Rated Open Tournament Fountains Mall 2022				Tournament SBDCU Trials 2022
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-06-25	rnd 3	type Standard	result 1
		Opponent Stuurman, C (Caydee)				Opponent Kennedy, T (Troy)
3	4	Tournament Eastern Cape Chess Team Championship 2023				Tournament Spartan Bishops Chess Championships 2024
		date 2023-10-07	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Japhta, N (Nina)				Opponent Tlhako, P (Princess Chantel)

#	Games	Start				End
1	8	Tournament Bloeisel Fees 2022				Tournament Stulting Chess Tournament 2023
		date 2022-10-29	rnd 2	type Rapid	result 1	date 2023-02-18	rnd 2	type Rapid	result 0.5
		Opponent Ferreira, J (Johan)				Opponent Bruton, FE (Faith Elizabeth)
2	3	Tournament Stulting Chess Tournament 2023				Tournament Stulting Chess Tournament 2023
		date 2023-02-18	rnd 4	type Rapid	result 1	date 2023-02-18	rnd 6	type Rapid	result 0.5
		Opponent Munemo, T (Tanaka)				Opponent Van Zyl, E (Erick)
3	3	Tournament Humansdorp CMC Trials 2022				Tournament Humansdorp CMC Trials 2022
		date 2022-05-20	rnd 2	type Rapid	result 1	date 2022-05-20	rnd 4	type Rapid	result 1
		Opponent Roux, S (Scalk)				Opponent Mounton, R (Ruben)

#	Games	Start				End
1	3	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 4	type Blitz	result 1	date 2023-02-09	rnd 6	type Blitz	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Booysen, T (Tamia)
2	2	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 1	type Blitz	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Titus, S (Sade Catherine)				Opponent Olifant, O (Owothando)

#	Games	Start				End
1	4	Tournament SBDCU Trial 1 2023				Tournament SBDCU Trial 2 2023
		date 2023-03-05	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Stolz, F (Flinando)				Opponent Plaatjies, F (Fredwin)
2	4	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Stulting Chess Tournament 2023
		date 2023-02-09	rnd 4	type Blitz	result 1	date 2023-02-18	rnd 1	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Siemens, D (Davidko)
3	4	Tournament Bloeisel Fees 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-10-29	rnd 6	type Rapid	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Moolman, A (Anrico)				Opponent Olifant, O (Owothando)

#	Games	Start				End
1	5	Tournament SBDCU First Fide Rated Open Tournament Fountains Mall 2022				Tournament SBDCU Trials 2022
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-06-25	rnd 3	type Standard	result 1
		Opponent Stuurman, C (Caydee)				Opponent Kennedy, T (Troy)
2	4	Tournament SBDCU Trial 1 2023				Tournament SBDCU Trial 2 2023
		date 2023-03-05	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Stolz, F (Flinando)				Opponent Plaatjies, F (Fredwin)
3	4	Tournament SBDCU Trials 2022				Tournament Kouga Mayarol Cup 2022
		date 2022-06-25	rnd 5	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Salie, R (Riaz)				Opponent Steenkamp, J (Jared Christen)

#	Games	Start				End
1	3	Tournament Bloeisel Fees 2022				Tournament Stulting Chess Tournament 2023
		date 2022-10-29	rnd 6	type Rapid	result 1	date 2023-02-18	rnd 1	type Rapid	result 1
		Opponent Moolman, A (Anrico)				Opponent Siemens, D (Davidko)
2	3	Tournament Bloeisel Fees 2022				Tournament Bloeisel Fees 2022
		date 2022-10-29	rnd 2	type Rapid	result 1	date 2022-10-29	rnd 4	type Rapid	result 1
		Opponent Ferreira, J (Johan)				Opponent Krieger, BCJ (Brian)
3	3	Tournament Humansdorp CMC Trials 2022				Tournament Humansdorp CMC Trials 2022
		date 2022-05-20	rnd 2	type Rapid	result 1	date 2022-05-20	rnd 4	type Rapid	result 1
		Opponent Roux, S (Scalk)				Opponent Mounton, R (Ruben)

#	Games	Start				End
1	3	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 4	type Blitz	result 1	date 2023-02-09	rnd 6	type Blitz	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Booysen, T (Tamia)
2	2	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 1	type Blitz	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Titus, S (Sade Catherine)				Opponent Olifant, O (Owothando)

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	Krieger ,BCJ (Brian)	5	2	-85	4	1	-212.5	1	1	425	0	0	0
1	Krieger ,BCJ (Brian)	5	1265.1	1180.1	4	1244.1	1052.6	1	1254.4	1690.1	0	0	0
2	Salie ,R (Riaz)	5	1.5	-170	2	1	0	2	0.5	-212.5	1	0	-425
2	Salie ,R (Riaz)	5	1376.3	1206.3	2	1374.5	1376.3	2	1271.1	1163.8	1	1326	951.3
3	Plaatjies ,F (Fredwin)	2	2	425	2	2	425	0	0	0	0	0	0
3	Plaatjies ,F (Fredwin)	2	1201.6	1626.6	2	1173.6	1626.6	0	0	0	0	0	0
4	Fourie ,N (Neelon)	2	1	0	2	1	0	0	0	0	0	0	0
4	Fourie ,N (Neelon)	2	1215.8	1215.8	2	1208.7	1215.8	0	0	0	0	0	0
5	Bombota ,E (Elam)	2	2	425	2	2	425	0	0	0	0	0	0
5	Bombota ,E (Elam)	2	1154.9	1579.9	2	1169.2	1579.9	0	0	0	0	0	0
6	Stolz ,F (Flinando)	2	2	425	2	2	425	0	0	0	0	0	0
6	Stolz ,F (Flinando)	2	1128.6	1553.6	2	1135.5	1553.6	0	0	0	0	0	0
7	Udemans ,B (Billy)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Udemans ,B (Billy)	2	1414.4	1201.9	2	1447.5	1201.9	0	0	0	0	0	0
8	Mvatyana ,L (Linathi)	2	1	0	2	1	0	0	0	0	0	0	0
8	Mvatyana ,L (Linathi)	2	1394.4	1394.4	2	1354.4	1394.4	0	0	0	0	0	0
9	Booysen ,B (Bryain-Luke Hilton)	2	1	0	2	1	0	0	0	0	0	0	0
9	Booysen ,B (Bryain-Luke Hilton)	2	1360.6	1360.6	2	1360.9	1360.6	0	0	0	0	0	0
10	Zintambila ,C (Chantelle)	1	1	425	1	1	425	0	0	0	0	0	0
10	Zintambila ,C (Chantelle)	1	1200	1625	1	1200	1625	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

Marais, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms