Chess South Africa Ratings Database

PLAYER PAGE

Personal

Opperman, G (Gert)

Chess SA id

1170308746

FIDE id

Date of birth

2017-01-23 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

17.9

Junior GPX Points

1079

Item	Main	Standard	Rapid	Blitz
Rating	1210.1	1214.1	1197.3	1200
Raw rating	1198.8	1213.4	1182.7	1200
Weighted rating	1210.1	1214.1	1197.3	1200
Weighted performance	1058.7	0	0	0
Floor	722.6	726.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.1	162.7	169.9	165.8
Highest rating	1310.1 2024-08-01	1307.8 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1222.6 2024-10-01	1226.4 2024-10-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1222.6 2024-10-01	1226.4 2024-10-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1310.1 2024-08-01	1307.8 2024-08-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.8	0.2	-1.3	0
New rating	1209.3	1214.3	1196	1200
Analysis
Rating	1210.1	1214.1	1197.3	1200
Raw rating	1198.8	1213.4	1182.7	1200
Weighted rating	1210.1	1214.1	1197.3
Weighted performance	1058.7	0	0
K-factor	36	36	36	36
Floor	722.6	726.4	700	700
Max/Min rating change allowed	166.1	162.7	169.9	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	1198.8	1213.4	1182.7	1200
New weighted rating	1209.3	1214.3	1196	1200
New weighted performance	1052.2	0	0	0
Temp new rating	1209.3	1214.3	1196	1200
Temp new rating +/-	-0.8	0.2	-1.3	0
Final new rating +/-	-0.8	0.2	-1.3	0
New rating	1209.3	1214.3	1196	1200
New K-factor	36	36	36	36
New floor	722.6	726.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	25	20	5

Games since
	Main 25	Standard 20		Rapid 5		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	20	7.5	37.5	-106.2	1224.1	1117.9
Standard	15	5.5	36.67	-113.3	1232.4	1119.1
Rapid	5	2	40	-85	1199.3	1114.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	10.5	42	-68	1224.1	1156.1
Standard	20	8.5	42.5	-63.8	1230.3	1166.6
Rapid	5	2	40	-85	1199.3	1114.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1198.8	1213.4	1182.7	1200
2025-09-30	1198.8	1213.4	1182.7	1200
2025-09-01	1211.4	1213.4	1200	1200
2025-08-01	1211.4	1213.4	1200	1200
2025-07-01	1211.2	1213.3	1200	1200
2025-06-01	1211.2	1213.3	1200	1200
2025-05-01	1210.4	1212.1	1200	1200
2025-04-01	1208.9	1210.3	1200	1200
2025-03-01	1208	1209.2	1200	1200
2025-02-01	1222.6	1226.4	1200	1200
2025-01-01	1222.6	1226.4	1200	1200
2024-12-01	1222.6	1226.4	1200	1200
2024-11-01	1222.6	1226.4	1200	1200
2024-10-01	1222.6	1226.4	1200	1200
2024-09-01	1222.6	1226.4	1200	1200
2024-08-01	1200	1200	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	MCA Spring Flower Birthday Rapid 2025 (U10)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	Mzansi Africa Classic 2025 (Rising Stars)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	2nd Knight Riders Junior Open 2025 (U10)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	First Knights Juniors Chess Tournament 2025 (U10)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U10)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	Mzansi Africa Classic 2025 (Rising Stars)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	2nd Knight Riders Junior Open 2025 (U10)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	First Knights Juniors Chess Tournament 2025 (U10)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
5	Fourth Knight Riders Juniors Open Chess Tournament 204 (U8)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Du Pisani, G (Grayson)				Opponent Tierney, C (Cameron)
2	2	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 2	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Ndungane, A (Amarachi)				Opponent Groenewald, K (Katya)
3	2	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-09	rnd 1	type Standard	result 1
		Opponent Geldenhuys, J (Johan)				Opponent Kgatitswe, T (Thlalefo)

#	Games	Start				End
1	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Du Pisani, G (Grayson)				Opponent Tierney, C (Cameron)
2	2	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 2	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Ndungane, A (Amarachi)				Opponent Groenewald, K (Katya)
3	2	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-09	rnd 1	type Standard	result 1
		Opponent Geldenhuys, J (Johan)				Opponent Kgatitswe, T (Thlalefo)

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Venter, A (Ashton)				Opponent Venter, A (Ashton)
2	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Khakhane, P (Pheello)				Opponent Khakhane, P (Pheello)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Du Pisani, G (Grayson)				Opponent Tierney, C (Cameron)
2	2	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 2	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Ndungane, A (Amarachi)				Opponent Groenewald, K (Katya)
3	2	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-09	rnd 1	type Standard	result 1
		Opponent Geldenhuys, J (Johan)				Opponent Kgatitswe, T (Thlalefo)

#	Games	Start				End
1	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Du Pisani, G (Grayson)				Opponent Tierney, C (Cameron)
2	2	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 2	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Ndungane, A (Amarachi)				Opponent Groenewald, K (Katya)
3	2	Tournament Fourth Knight Riders Juniors Open Chess Tournament 204				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-09	rnd 1	type Standard	result 1
		Opponent Geldenhuys, J (Johan)				Opponent Kgatitswe, T (Thlalefo)

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Venter, A (Ashton)				Opponent Venter, A (Ashton)
2	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Khakhane, P (Pheello)				Opponent Khakhane, P (Pheello)

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	Sithole ,L (Luthando)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Sithole ,L (Luthando)	2	1148.1	723.1	2	1142.6	723.1	0	0	0	0	0	0
2	Lygin ,D (Daniil)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Lygin ,D (Daniil)	2	1210.2	785.2	2	1212.1	785.2	0	0	0	0	0	0
3	Tierney ,C (Cameron)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Tierney ,C (Cameron)	2	1207.6	1207.6	1	1227	1632.6	1	1182.5	782.6	0	0	0
4	Dikane ,L (Leano)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Dikane ,L (Leano)	1	1383.6	958.6	1	1385.1	958.6	0	0	0	0	0	0
5	Luus ,A (Ava)	1	1	425	1	1	425	0	0	0	0	0	0
5	Luus ,A (Ava)	1	1162.1	1587.1	1	1154.4	1587.1	0	0	0	0	0	0
6	Hlabangwane ,N (Ntwanano)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Hlabangwane ,N (Ntwanano)	1	1255.9	830.9	1	1256.4	830.9	0	0	0	0	0	0
7	Du Pisani ,G (Grayson)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Pisani ,G (Grayson)	1	1186.2	1611.2	1	1183.1	1611.2	0	0	0	0	0	0
8	Kgatitswe ,T (Thlalefo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kgatitswe ,T (Thlalefo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Liu ,L (Linyue)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Liu ,L (Linyue)	1	1175.1	1175.1	1	1174.4	1175.1	0	0	0	0	0	0
10	Fischer ,E (Ernst)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Fischer ,E (Ernst)	1	1256.3	831.3	1	1265.8	831.3	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

Opperman, G (Gert)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms