Chess South Africa Ratings Database

PLAYER PAGE

Personal

Niebuhr, R (Rohan)

Chess SA id

1120130251

FIDE id

Date of birth

2012-02-02 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1151

Item	Main	Standard	Rapid	Blitz
Rating	1126.1	1157	1103.3	1200
Raw rating	1126.1	1157	1087.4	1200
Weighted rating	1117.8	1141.1	1103.3	1200
Weighted performance	941.6	942.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.2	176.3	194.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-1.4	0
New rating	1126.1	1157	1101.8	1200
Analysis
Rating	1126.1	1157	1103.3	1200
Raw rating	1126.1	1157	1087.4	1200
Weighted rating	1117.8	1141.1	1103.3
Weighted performance	941.6	942.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.2	176.3	194.7	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	1126.1	1157	1087.4	1200
New weighted rating	1118.6	1142.4	1101.8	1200
New weighted performance	935.2	936.2	0	0
Temp new rating	1126.1	1157	1101.8	1200
Temp new rating +/-	0	0	-1.4	0
Final new rating +/-	0	0	-1.4	0
New rating	1126.1	1157	1101.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	10	4
	4	4	0
	0	0	0
	23	17	6
	0	0	0
History	47	31	16

Games since
	Main 18	Standard 14		Rapid 4		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	14	6	42.86	-60.7	1218.6	1157.9
Standard	10	5	50	0	1213.1	1213.1
Rapid	4	1	25	-212.5	1232.4	1019.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	17	36.17	-117.6	1201.4	1083.8
Standard	31	12.5	40.32	-82.3	1210.3	1128.1
Rapid	16	4.5	28.12	-185.9	1184.1	998.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1126.1	1157	1087.4	1200
2025-09-30	1126.1	1157	1087.4	1200
2025-09-01	1126.1	1157	1087.4	1200
2025-08-01	1138.3	1157	1108	1200
2025-07-01	1138.3	1157	1108	1200
2025-06-01	1137.9	1161.9	1108	1200
2025-05-01	1137.9	1161.9	1108	1200
2025-04-01	1137.9	1161.9	1108	1200
2025-03-01	1106.7	1129.5	1108	1200
2025-02-01	1105.6	1128	1108	1200
2025-01-01	1081.2	1095.6	1108	1200
2024-12-01	1081.2	1095.6	1108	1200
2024-11-01	1081.2	1095.6	1108	1200
2024-10-01	1081.2	1095.6	1108	1200
2024-09-01	1081.2	1095.6	1108	1200
2024-08-01	1081.2	1095.6	1108	1200
2024-07-01	1129	1159.2	1108	1200
2024-09-01	1129	1159.2	1108	1200
2024-05-01	1129	1159.2	1108	1200
2024-04-01	1129	1159.2	1108	1200
2024-03-01	1129	1159.2	1108	1200
2024-02-01	1129	1159.2	1108	1200
2024-01-01	1129	1159.2	1108	1200
2023-12-01	1129	1159.2	1108	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Edenvale Germiston Cluster Teams 2025 (U13)	2025-07-25	2025-07-25	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
2	Ekurhuleni North School District Finals 2025 (U13 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Edenvale Germiston Cluster 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Edenvale Germiston Cluster Teams 2025 (U13)	2025-07-25	2025-07-25	Rapid	Ekurhuleni (GE)	6	4	1	Yes	Analysis
2	Ekurhuleni North School District Finals 2025 (U13 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Edenvale Germiston Cluster 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Ekurhuleni Trails 2 2024 (U14)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
5	Ekurhuleni-North Schools Teams 2022 (U11)	2022-08-06	2022-08-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	RMS Swiss For Rating of Players 2022 (U11)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	1.5	Yes	Analysis
7	ACB Premier 2022 (Primary School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	ACB Premier 2022 (U11)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	7	2.5	Yes	Analysis
9	Laerskool Oosterkruin 2020 (U9)	2020-02-01	2020-02-01	Rapid	Ekurhuleni (GE)	6	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament ACB Premier 2022				Tournament ACB Premier 2022
		date 2022-03-21	rnd 3	type Standard	result 1	date 2022-03-21	rnd 6	type Standard	result 0.5
		Opponent Makola, L (Lesego)				Opponent Breedt, C (Christiaan)
2	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Edenvale Germiston Cluster Teams 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-07-25	rnd 1	type Rapid	result 0.5
		Opponent Phiri, T (Troy)				Opponent Matsepane, K (Kgotso)
3	2	Tournament Edenvale Germiston Cluster 2025				Tournament Edenvale Germiston Cluster 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ndubane, W (Warona)				Opponent Saladino, M (Mattheo)

#	Games	Start				End
1	4	Tournament ACB Premier 2022				Tournament ACB Premier 2022
		date 2022-03-21	rnd 3	type Standard	result 1	date 2022-03-21	rnd 6	type Standard	result 0.5
		Opponent Makola, L (Lesego)				Opponent Breedt, C (Christiaan)
2	2	Tournament Edenvale Germiston Cluster 2025				Tournament Edenvale Germiston Cluster 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ndubane, W (Warona)				Opponent Saladino, M (Mattheo)
3	2	Tournament ACB Premier 2022				Tournament ACB Premier 2022
		date 2022-03-19	rnd 4	type Standard	result 1	date 2022-03-19	rnd 5	type Standard	result 0.5
		Opponent Cholo, K (Kgothatso)				Opponent Van Rooyen, D (Dion)

#	Games	Start				End
1	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-05-28	rnd 5	type Rapid	result 0.5
		Opponent Weideman, R (Regardt)				Opponent Engelbrecht, J (Jana)
2	2	Tournament Laerskool Oosterkruin 2020				Tournament Laerskool Oosterkruin 2020
		date 2020-02-01	rnd 4	type Rapid	result 1	date 2020-02-01	rnd 5	type Rapid	result 1
		Opponent Meyer, D (Dan Chante)				Opponent Van Vuuren, A (Angelique)
3	1	Tournament Edenvale Germiston Cluster Teams 2025				Tournament Edenvale Germiston Cluster Teams 2025
		date 2025-07-25	rnd 4	type Rapid	result 0.5	date 2025-07-25	rnd 4	type Rapid	result 0.5
		Opponent Matsepane, K (Kgotso)				Opponent Matsepane, K (Kgotso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Edenvale Germiston Cluster 2025				Tournament Edenvale Germiston Cluster 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ndubane, W (Warona)				Opponent Saladino, M (Mattheo)
2	2	Tournament Laerskool Oosterkruin 2020				Tournament Laerskool Oosterkruin 2020
		date 2020-02-01	rnd 4	type Rapid	result 1	date 2020-02-01	rnd 5	type Rapid	result 1
		Opponent Meyer, D (Dan Chante)				Opponent Van Vuuren, A (Angelique)
3	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Phiri, T (Troy)				Opponent Phiri, T (Troy)

#	Games	Start				End
1	2	Tournament Edenvale Germiston Cluster 2025				Tournament Edenvale Germiston Cluster 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ndubane, W (Warona)				Opponent Saladino, M (Mattheo)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Phiri, T (Troy)				Opponent Phiri, T (Troy)
3	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Mashiyane, S (Sinethemba)				Opponent Mashiyane, S (Sinethemba)

#	Games	Start				End
1	2	Tournament Laerskool Oosterkruin 2020				Tournament Laerskool Oosterkruin 2020
		date 2020-02-01	rnd 4	type Rapid	result 1	date 2020-02-01	rnd 5	type Rapid	result 1
		Opponent Meyer, D (Dan Chante)				Opponent Van Vuuren, A (Angelique)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Weideman, R (Regardt)				Opponent Weideman, R (Regardt)

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	Cloete ,N (Nathan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Cloete ,N (Nathan)	2	1236.8	811.8	1	1223.2	811.8	1	1200	811.8	0	0	0
2	Huebsch ,K (Kaleigh)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Huebsch ,K (Kaleigh)	2	1058.6	633.6	1	1028.8	633.6	1	1200	633.6	0	0	0
3	Matsepane ,K (Kgotso)	2	1	0	0	0	0	2	1	0	0	0	0
3	Matsepane ,K (Kgotso)	2	1194.9	1194.9	0	0	0	2	1200	1194.9	0	0	0
4	Myburgh ,L (Liam)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Myburgh ,L (Liam)	2	1269.9	844.9	0	0	0	2	1200	844.9	0	0	0
5	Sibeko ,P (Philansande)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sibeko ,P (Philansande)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Terwin ,J (Jordin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Terwin ,J (Jordin)	1	1301.7	876.7	1	1277	876.7	0	0	0	0	0	0
7	Cholo ,K (Kgothatso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cholo ,K (Kgothatso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mashiyane ,S (Sinethemba)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mashiyane ,S (Sinethemba)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Breedt ,C (Christiaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Breedt ,C (Christiaan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Tsholobo ,M (Mbali)	1	1	425	1	1	425	0	0	0	0	0	0
10	Tsholobo ,M (Mbali)	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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Personal

Niebuhr, 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