Chess South Africa Ratings Database

PLAYER PAGE

Personal

Geldenhuys, J (Johan)

Chess SA id

1180308745

FIDE id

Date of birth

2018-02-15 (U8)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1322.3

Item	Main	Standard	Rapid	Blitz
Rating	1338.6	1336.5	1200	1200
Raw rating	1307.4	1318.3	1200	1200
Weighted rating	1240.9	1244.5	1200	1200
Weighted performance	1338.6	1336.5	0	0
Floor	807.4	818.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.3	140.1	165.8	165.8
Highest rating	1338.6 2025-09-30	1336.5 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1307.4 2025-09-30	1318.3 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1261 2024-10-01	1266.7 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1338.6 2025-09-30	1336.5 2025-09-30	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.5	0	0
New rating	1338.1	1336.1	1200	1200
Analysis
Rating	1338.6	1336.5	1200	1200
Raw rating	1307.4	1318.3	1200	1200
Weighted rating	1240.9	1244.5	1200
Weighted performance	1338.6	1336.5	0
K-factor	36	36	36	36
Floor	807.4	818.3	700	700
Max/Min rating change allowed	142.3	140.1	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	1307.4	1318.3	1200	1200
New weighted rating	1247.4	1251.8	1200	1200
New weighted performance	1338.1	1336.1	0	0
Temp new rating	1338.1	1336.1	1200	1200
Temp new rating +/-	-0.5	-0.5	0	0
Final new rating +/-	-0.5	-0.5	0	0
New rating	1338.1	1336.1	1200	1200
New K-factor	36	36	36	36
New floor	807.4	818.3	700	700

Item	Main	Standard
	0	0
	29	29
	12	12
	0	0
	0	0
	0	0
History	41	41

Games since
	Main 41	Standard 41		Rapid 0		Blitz 0
Gender	Male
Age group	U8
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2799		947		283
Male	2249		760		233
U8	31		11		8
U8 Male	23		8		6
Standard
	RSA		Province		Region
Overall	2715		981		274
Male	2182		792		227
U8	37		12		8
U8 Male	27		9		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 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	29	17.5	60.34	87.9	1274.3	1362.3
Standard	29	17.5	60.34	87.9	1274.3	1362.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	22.5	54.88	41.5	1269.3	1310.8
Standard	41	22.5	54.88	41.5	1269.3	1310.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1307.4	1318.3	1200	1200
2025-09-01	1296.6	1306	1200	1200
2025-08-01	1267.1	1272	1200	1200
2025-07-01	1252.3	1255	1200	1200
2025-06-01	1261	1266.7	1200	1200
2025-05-01	1261	1266.7	1200	1200
2025-04-01	1261	1266.7	1200	1200
2025-03-01	1218.5	1218	1200	1200
2025-02-01	1218.5	1218	1200	1200
2025-01-01	1197.6	1192.9	1200	1200
2024-12-01	1223.9	1230	1200	1200
2024-11-01	1223.9	1230	1200	1200
2024-10-01	1223.9	1230	1200	1200
2024-09-01	1191.4	1189.6	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JMC Closed 2025 (U8)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (U8)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	JMC Helpmekaar 2025 (U8)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	2025 Prestige Open Chess Tournament (U8)	2025-03-08	2025-03-08	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Tshwane Chess OPEN Registration Tournament (U8)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JMC Closed 2025 (U8)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (U8)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	JMC Helpmekaar 2025 (U8)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	2025 Prestige Open Chess Tournament (U8)	2025-03-08	2025-03-08	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Tshwane Chess OPEN Registration Tournament (U8)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis
7	East Rand Chess Year end Open 2024 (D)	2024-11-30	2024-11-30	Standard	Ekurhuleni (GE)	4	3	0	Yes	Analysis
8	Chesshereoes Minions 2024 (Grade R)	2024-09-14	2024-09-14	Standard	Johannesburg Metro (GJM)	4	4	3	Yes	Analysis
9	Fourth Knight Riders Juniors Open Chess Tournament 204 (U8)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament JMC Closed 2025				Tournament Fourth Knight Riders Juniors Open Chess Tournament 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-31	rnd 2	type Standard	result 1
		Opponent Mfazwe, P (Phumla)				Opponent Sithole, S (Simbongile)
2	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Prestige Open Chess Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Mabotja, T (Thato)				Opponent Kekana, K (Khanyisile)
3	4	Tournament Chesshereoes Minions 2024				Tournament Chesshereoes Minions 2024
		date 2024-09-14	rnd 1	type Standard	result 0.5	date 2024-09-14	rnd 4	type Standard	result 1
		Opponent Van Eeden, C (Cilliers)				Opponent Haiden, P (Peter)

#	Games	Start				End
1	4	Tournament JMC Closed 2025				Tournament Fourth Knight Riders Juniors Open Chess Tournament 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-31	rnd 2	type Standard	result 1
		Opponent Mfazwe, P (Phumla)				Opponent Sithole, S (Simbongile)
2	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Prestige Open Chess Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Mabotja, T (Thato)				Opponent Kekana, K (Khanyisile)
3	4	Tournament Chesshereoes Minions 2024				Tournament Chesshereoes Minions 2024
		date 2024-09-14	rnd 1	type Standard	result 0.5	date 2024-09-14	rnd 4	type Standard	result 1
		Opponent Van Eeden, C (Cilliers)				Opponent Haiden, P (Peter)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JMC Closed 2025				Tournament Fourth Knight Riders Juniors Open Chess Tournament 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-31	rnd 2	type Standard	result 1
		Opponent Mfazwe, P (Phumla)				Opponent Sithole, S (Simbongile)
2	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Prestige Open Chess Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Mabotja, T (Thato)				Opponent Kekana, K (Khanyisile)
3	3	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Wynie Robbertse Chess Tournament
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tukker, M (Mia)				Opponent Conradie, L (Lily)

#	Games	Start				End
1	4	Tournament JMC Closed 2025				Tournament Fourth Knight Riders Juniors Open Chess Tournament 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-31	rnd 2	type Standard	result 1
		Opponent Mfazwe, P (Phumla)				Opponent Sithole, S (Simbongile)
2	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Prestige Open Chess Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Mabotja, T (Thato)				Opponent Kekana, K (Khanyisile)
3	3	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Wynie Robbertse Chess Tournament
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tukker, M (Mia)				Opponent Conradie, L (Lily)

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	Klopper ,L (Liam)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Klopper ,L (Liam)	4	1396.1	1183.6	4	1389.8	1183.6	0	0	0	0	0	0
2	Mendonca ,M (Mark)	2	1	0	2	1	0	0	0	0	0	0	0
2	Mendonca ,M (Mark)	2	1331.6	1331.6	2	1317.8	1331.6	0	0	0	0	0	0
3	Fischer ,E (Ernst)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Fischer ,E (Ernst)	2	1380.8	955.8	2	1385.4	955.8	0	0	0	0	0	0
4	Dippenaar ,L (Luka)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Dippenaar ,L (Luka)	2	1151.2	938.7	2	1140.9	938.7	0	0	0	0	0	0
5	Liebenberg ,A (Arabella)	2	1	0	2	1	0	0	0	0	0	0	0
5	Liebenberg ,A (Arabella)	2	1207.8	1207.8	2	1209.9	1207.8	0	0	0	0	0	0
6	Mfazwe ,P (Phumla)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mfazwe ,P (Phumla)	2	1378.9	1378.9	2	1381.9	1378.9	0	0	0	0	0	0
7	Malemane ,A (Atlehang Faith)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Malemane ,A (Atlehang Faith)	1	1434.2	1009.2	1	1435.8	1009.2	0	0	0	0	0	0
8	Dibetso ,T (Tlotlego)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dibetso ,T (Tlotlego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Craucamp ,K (Kaylee)	1	1	425	1	1	425	0	0	0	0	0	0
9	Craucamp ,K (Kaylee)	1	1281.6	1706.6	1	1281.8	1706.6	0	0	0	0	0	0
10	Van Zyl ,L (Liane)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Zyl ,L (Liane)	1	1255.3	830.3	1	1252.1	830.3	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

Geldenhuys, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms