Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Rouwe, R (Rohan)

Chess SA id

109093066

FIDE id

Date of birth

2009-01-23 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1298.9	1315	1200	1200
Raw rating	1298.9	1315	1200	1200
Weighted rating	1298.9	1315	1200	1200
Weighted performance	735	734.6	0	0
Floor	817.6	840.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	144	140.8	165.8	165.8
Highest rating	1484.3 2018-08-01	1484.3 2018-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1317.6 2018-09-01	1340.2 2018-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1317.6 2024-08-01	1340.2 2019-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1484.3 2018-08-01	1484.3 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1298.9	1315	1200	1200
Analysis
Rating	1298.9	1315	1200	1200
Raw rating	1298.9	1315	1200	1200
Weighted rating	1298.9	1315	1200
Weighted performance	735	734.6	0
K-factor	36	36	36	36
Floor	817.6	840.2	700	700
Max/Min rating change allowed	144	140.8	165.8	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	1298.9	1315	1200	1200
New weighted rating	1298.9	1315	1200	1200
New weighted performance	734.5	734.1	0	0
Temp new rating	1298.9	1315	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1298.9	1315	1200	1200
New K-factor	36	36	36	36
New floor	817.6	840.2	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	16	16
	0	0
History	51	51

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
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	46	30.5	66.3	138.6	1143	1281.6
Standard	46	30.5	66.3	138.6	1143	1281.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1298.9	1315	1200	1200
2025-09-01	1298.9	1315	1200	1200
2025-08-01	1298.9	1315	1200	1200
2025-07-01	1298.9	1315	1200	1200
2025-06-01	1298.9	1315	1200	1200
2025-05-01	1298.9	1315	1200	1200
2025-04-01	1298.9	1315	1200	1200
2025-03-01	1298.9	1315	1200	1200
2025-02-01	1298.9	1315	1200	1200
2025-01-01	1298.9	1315	1200	1200
2024-12-01	1298.9	1315	1200	1200
2024-11-01	1298.9	1315	1200	1200
2024-10-01	1298.9	1315	1200	1200
2024-09-01	1298.9	1315	1200	1200
2024-08-01	1298.9	1315	1200	1200
2024-07-01	1298.9	1315	1200	1200
2024-06-01	1298.9	1315	1200	1200
2024-08-01	1298.9	1315	1200	1200
2024-04-01	1298.9	1315	1200	1200
2024-03-01	1298.9	1315	1200	1200
2024-02-01	1298.9	1315	1200	1200
2024-01-01	1298.9	1315	1200	1200
2023-12-01	1298.9	1315	1200	1200
2023-11-01	1298.9	1315	1200	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	D7 Teams 2022 (U13 Mixed+Girls)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
2	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	Gaueng Schools D7 2022 (U13 Boys)	2022-06-04	2022-06-04	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	2022 Gauteng Schools Individual Chess Championship (U13 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	1	0	Yes	Analysis
5	2019 Gauteng School League Finals (U11 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
6	D7 Primary School League 2019 (U11)	2019-08-03	2019-08-03	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
7	D7 Individuals 2019 (U11 Boys)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	2018 Gauteng League Final (U9)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
9	D7 Primary School League 2023 (U9 Boys+Mixed)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
10	D7 Individual 2018 (U9 Boys)	2018-02-24	2018-02-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament D7 Primary School League 2023				Tournament D7 Individuals 2019
		date 2018-04-21	rnd 1	type Standard	result 1	date 2019-05-04	rnd 2	type Standard	result 1
		Opponent Venter , J (James)				Opponent Mohlouoa, S (Sandile)
2	5	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 5	type Standard	result 1
		Opponent Baloyi, N (Ntsako)				Opponent Alberts, D (Daniel)
3	4	Tournament Gaueng Schools D7 2022				Tournament Gaueng Schools D7 2022
		date 2022-06-04	rnd 1	type Standard	result 1	date 2022-06-04	rnd 4	type Standard	result 1
		Opponent Mbelu, T (Thapelo)				Opponent Nel, CL (Christopher Louis)

#	Games	Start				End
1	12	Tournament D7 Primary School League 2023				Tournament D7 Individuals 2019
		date 2018-04-21	rnd 1	type Standard	result 1	date 2019-05-04	rnd 2	type Standard	result 1
		Opponent Venter , J (James)				Opponent Mohlouoa, S (Sandile)
2	5	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 5	type Standard	result 1
		Opponent Baloyi, N (Ntsako)				Opponent Alberts, D (Daniel)
3	4	Tournament Gaueng Schools D7 2022				Tournament Gaueng Schools D7 2022
		date 2022-06-04	rnd 1	type Standard	result 1	date 2022-06-04	rnd 4	type Standard	result 1
		Opponent Mbelu, T (Thapelo)				Opponent Nel, CL (Christopher Louis)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament D7 Primary School League 2023				Tournament D7 Individuals 2019
		date 2018-04-21	rnd 1	type Standard	result 1	date 2019-05-04	rnd 2	type Standard	result 1
		Opponent Venter , J (James)				Opponent Mohlouoa, S (Sandile)
2	5	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 5	type Standard	result 1
		Opponent Baloyi, N (Ntsako)				Opponent Alberts, D (Daniel)
3	4	Tournament Gaueng Schools D7 2022				Tournament Gaueng Schools D7 2022
		date 2022-06-04	rnd 1	type Standard	result 1	date 2022-06-04	rnd 4	type Standard	result 1
		Opponent Mbelu, T (Thapelo)				Opponent Nel, CL (Christopher Louis)

#	Games	Start				End
1	12	Tournament D7 Primary School League 2023				Tournament D7 Individuals 2019
		date 2018-04-21	rnd 1	type Standard	result 1	date 2019-05-04	rnd 2	type Standard	result 1
		Opponent Venter , J (James)				Opponent Mohlouoa, S (Sandile)
2	5	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 5	type Standard	result 1
		Opponent Baloyi, N (Ntsako)				Opponent Alberts, D (Daniel)
3	4	Tournament Gaueng Schools D7 2022				Tournament Gaueng Schools D7 2022
		date 2022-06-04	rnd 1	type Standard	result 1	date 2022-06-04	rnd 4	type Standard	result 1
		Opponent Mbelu, T (Thapelo)				Opponent Nel, CL (Christopher Louis)

No games found.

#	Games	Start				End

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	Slabbert ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
1	Slabbert ,M (Matthew)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Posthumus ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Posthumus ,E (Ethan)	1	1125.9	1550.9	1	1113.6	1550.9	0	0	0	0	0	0
3	Baloyi ,N (Ntsako)	1	1	425	1	1	425	0	0	0	0	0	0
3	Baloyi ,N (Ntsako)	1	1215.3	1640.3	1	1218.4	1640.3	0	0	0	0	0	0
4	Jacobs ,A (Aden)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jacobs ,A (Aden)	1	1154.2	1579.2	1	1147.2	1579.2	0	0	0	0	0	0
5	Cronje ,O (Omri)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cronje ,O (Omri)	1	500	75	1	500	75	0	0	0	0	0	0
6	Venter ,J (James)	1	1	425	1	1	425	0	0	0	0	0	0
6	Venter ,J (James)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Thabethe ,D (Dimpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Thabethe ,D (Dimpho)	1	1214.2	789.2	1	1200	789.2	0	0	0	0	0	0
8	Pretorius ,PJ (Petrus)	1	1	425	1	1	425	0	0	0	0	0	0
8	Pretorius ,PJ (Petrus)	1	1258.1	1683.1	1	1255.3	1683.1	0	0	0	0	0	0
9	Nkundlande ,A (Aphiwe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nkundlande ,A (Aphiwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Huisamen ,D (De Villiers)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Huisamen ,D (De Villiers)	1	1284.1	859.1	1	1283.1	859.1	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

De Rouwe, R (Rohan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms