Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grundling, A (Andriech)

Chess SA id

1150306568

FIDE id

Date of birth

2015-06-22 (U12)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

10.3

Junior GPX Points

1168.8

Item	Main	Standard	Rapid	Blitz
Rating	1240	1185.6	1265.6	1200
Raw rating	1240	1185.6	1265.6	1200
Weighted rating	1193.6	1181	1210	1200
Weighted performance	1190.6	0	0	0
Floor	740	700	765.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.6	169.3	151	165.8
Highest rating	1240 2025-11-01	1200 2024-07-01	1265.6 2025-11-01	1200 2024-07-01
Highest raw rating	1240 2025-11-01	1200 2024-07-01	1265.6 2025-11-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1210 2025-11-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-07-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1240	1185.6	1265.6	1200
Analysis
Rating	1240	1185.6	1265.6	1200
Raw rating	1240	1185.6	1265.6	1200
Weighted rating	1193.6	1181	1210
Weighted performance	1190.6	0	0
K-factor	36	36	36	36
Floor	740	700	765.6	700
Max/Min rating change allowed	156.6	169.3	151	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	1240	1185.6	1265.6	1200
New weighted rating	1197.5	1181.1	1214.8	1200
New weighted performance	1183.3	0	0	0
Temp new rating	1240	1185.6	1265.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1240	1185.6	1265.6	1200
New K-factor	36	36	36	36
New floor	740	700	765.6	700

Item	Main	Standard	Rapid
	0	0	0
	15	4	11
	15	15	0
	0	0	0
	0	0	0
	0	0	0
History	30	19	11

Games since
	Main 30	Standard 19		Rapid 11		Blitz 0
Gender	Male
Age group	U12
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	15	8.5	56.67	56.7	1270	1326.7
Standard	4	1.5	37.5	-106.2	1324.1	1217.8
Rapid	11	7	63.64	115.9	1250.4	1366.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	15	50	0	1230.7	1230.7
Standard	19	8	42.11	-67.1	1219.3	1152.2
Rapid	11	7	63.64	115.9	1250.4	1366.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1240	1185.6	1265.6	1200
2025-09-30	1210.8	1185.6	1221.7	1200
2025-09-01	1210.8	1185.6	1221.7	1200
2025-08-01	1210.8	1185.6	1221.7	1200
2025-07-01	1189.9	1185.6	1200	1200
2025-06-01	1185.6	1182.4	1200	1200
2025-05-01	1185.6	1182.4	1200	1200
2025-04-01	1185.6	1182.4	1200	1200
2025-03-01	1185.6	1182.4	1200	1200
2025-02-01	1184.7	1181.4	1200	1200
2025-01-01	1167.1	1160.4	1200	1200
2024-12-01	1167.1	1160.4	1200	1200
2024-11-01	1167.1	1160.4	1200	1200
2024-10-01	1167.1	1160.4	1200	1200
2024-09-01	1167.1	1160.4	1200	1200
2024-08-01	1181.1	1174	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	SACSSA Nationals 2025 (U11 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	4	Yes	Analysis
2	Bojanala's Clash Of Schools -Primary Schools 2025 (Seniors)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	HaMakom�s Rise of the Pioneers 2025 (Knights)	2025-06-21	2025-06-21	Standard	Bojanala Platina (NBR)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SACSSA Nationals 2025 (U11 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	4	Yes	Analysis
2	Bojanala's Clash Of Schools -Primary Schools 2025 (Seniors)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	HaMakom�s Rise of the Pioneers 2025 (Knights)	2025-06-21	2025-06-21	Standard	Bojanala Platina (NBR)	5	4	1.5	Yes	Analysis
4	Bojanala's FIDE In The Sparkling Waters 2024 (Junior Champs)	2024-08-17	2024-08-17	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
5	Bojanala's Clash Of Schools 2024 (U11)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
6	Hamakom's Pioneers Of The Board 2024 (Center Pawns)	2024-07-13	2024-07-13	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-06-21	rnd 5	type Standard	result 0.5	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Toughey, D (Dylan)				Opponent Mmutlane, K (Kaone-Botshelo)
2	2	Tournament SACSSA Nationals 2025				Tournament SACSSA Nationals 2025
		date 2025-10-18	rnd 5	type Rapid	result 1	date 2025-10-18	rnd 6	type Rapid	result 1
		Opponent Jennings, H (Henry)				Opponent Nimje, S (Samar)
3	2	Tournament SACSSA Nationals 2025				Tournament SACSSA Nationals 2025
		date 2025-10-18	rnd 2	type Rapid	result 1	date 2025-10-18	rnd 3	type Rapid	result 1
		Opponent De Wet, T (Timothy)				Opponent Mtshawalana, K (Kuhle)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 4	type Standard	result 0.5	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Diphoko, P (Phitlhello)				Opponent Oosthuizen, Z (Zoey)
2	2	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Bosch, T (Talia)				Opponent Bogatsu, T (Tiisetso)
3	1	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 5	type Standard	result 0.5	date 2025-06-21	rnd 5	type Standard	result 0.5
		Opponent Toughey, D (Dylan)				Opponent Toughey, D (Dylan)

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Mokgele, M (Marvellous)				Opponent Mmutlane, K (Kaone-Botshelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Mokgele, M (Marvellous)				Opponent Mmutlane, K (Kaone-Botshelo)
2	2	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Bosch, T (Talia)				Opponent Bogatsu, T (Tiisetso)
3	1	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Pieterse, J (JJ)				Opponent Pieterse, J (JJ)

#	Games	Start				End
1	2	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Bosch, T (Talia)				Opponent Bogatsu, T (Tiisetso)
2	1	Tournament HaMakom�s Rise of the Pioneers 2025				Tournament HaMakom�s Rise of the Pioneers 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Pieterse, J (JJ)				Opponent Pieterse, J (JJ)
3	1	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-17	rnd 5	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Bogatsu, T (Tiisetso)				Opponent Bogatsu, T (Tiisetso)

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Mokgele, M (Marvellous)				Opponent Mmutlane, K (Kaone-Botshelo)

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	Toughey ,D (Dylan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Toughey ,D (Dylan)	2	1315.7	1103.2	2	1305.2	1103.2	0	0	0	0	0	0
2	Bogatsu ,T (Tiisetso)	2	2	425	2	2	425	0	0	0	0	0	0
2	Bogatsu ,T (Tiisetso)	2	1125.4	1550.4	2	1108.8	1550.4	0	0	0	0	0	0
3	Smit ,H (Hesmia)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Smit ,H (Hesmia)	1	1232.5	807.5	1	1228.6	807.5	0	0	0	0	0	0
4	De Jager ,L (Luado)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	De Jager ,L (Luado)	1	1517.4	1092.4	1	1485.2	1092.4	0	0	0	0	0	0
5	Labuschagne ,J (Jantjie)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Labuschagne ,J (Jantjie)	1	1268.8	843.8	1	1249.8	843.8	0	0	0	0	0	0
6	Oosthuizen ,Z (Zoey)	1	1	425	1	1	425	0	0	0	0	0	0
6	Oosthuizen ,Z (Zoey)	1	1196.6	1621.6	1	1194.4	1621.6	0	0	0	0	0	0
7	Locherenberg ,J (Jason)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Locherenberg ,J (Jason)	1	1438.5	1013.5	1	1431.7	1013.5	0	0	0	0	0	0
8	Mekgwe ,O (Oarabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mekgwe ,O (Oarabetswe)	1	1234.1	809.1	1	1230.8	809.1	0	0	0	0	0	0
9	Jansen ,D (Dihann)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jansen ,D (Dihann)	1	1197.7	772.7	1	1196.8	772.7	0	0	0	0	0	0
10	Strydom ,J (Johan�)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Strydom ,J (Johan�)	1	1278	853	1	1296	853	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Grundling, A (Andriech)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms