Chess South Africa Ratings Database

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Personal

Gerber, J (Juandre)

Chess SA id

109083426

FIDE id

Date of birth

2009-02-09 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1319	1313.1	880.2	587.8
Raw rating	1319	1313.1	880.2	587.8
Weighted rating	1318.5	1312.3	880.2	587.8
Weighted performance	1033.9	1032.7	0	0
Floor	844.2	843.5	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	140	141.1	261.5	396.7
Highest rating	1362.6 2023-08-01	1362 2023-08-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1344.2 2024-02-01	1343.5 2024-02-01	880.2 2024-02-01	587.8 2024-02-01
Highest weighted rating	1344.2 2025-06-01	1343.5 2025-06-01	880.2 2024-11-01	587.8 2024-11-01
Highest weighted performance	1362.6 2023-08-01	1362 2023-08-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1319	1313.1	880.2	587.8
Analysis
Rating	1319	1313.1	880.2	587.8
Raw rating	1319	1313.1	880.2	587.8
Weighted rating	1318.5	1312.3	880.2
Weighted performance	1033.9	1032.7	0
K-factor	36	36	40	40
Floor	844.2	843.5	500	500
Max/Min rating change allowed	140	141.1	261.5	396.7
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	1319	1313.1	880.2	587.8
New weighted rating	1318.5	1312.2	880.2	587.8
New weighted performance	1025.9	1024.7	0	0
Temp new rating	1319	1313.1	880.2	587.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1319	1313.1	880.2	587.8
New K-factor	36	36	40	40
New floor	844.2	843.5	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	13	13	0
	30	30	0
	12	5	7
	9	9	0
History	275	253	22

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
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	212	119.5	56.37	54.1	1145.4	1199.5
Standard	195	110	56.41	54.5	1148.7	1203.2
Rapid	17	9.5	55.88	50	1106.7	1156.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1319	1313.1	880.2	587.8
2025-09-30	1319	1313.1	880.2	587.8
2025-09-01	1319	1313.1	880.2	587.8
2025-08-01	1319	1313.1	880.2	587.8
2025-07-01	1319	1313.1	880.2	587.8
2025-06-01	1319	1313.1	880.2	587.8
2025-05-01	1318.8	1312.9	880.2	587.8
2025-04-01	1318.3	1312.5	880.2	587.8
2025-03-01	1317.7	1311.8	880.2	587.8
2025-02-01	1317.3	1310.8	880.2	587.8
2025-01-01	1317.3	1310	880.2	587.8
2024-12-01	1317.3	1310	880.2	587.8
2024-11-01	1317.3	1310	880.2	587.8
2024-10-01	1317.3	1310	880.2	587.8
2024-09-01	1317.3	1310	880.2	587.8
2024-08-01	1317.3	1310	880.2	587.8
2024-07-01	1317.3	1310	880.2	587.8
2024-09-01	1317.3	1310	880.2	587.8
2024-05-01	1317.3	1310	880.2	587.8
2024-04-01	1317.3	1310	880.2	587.8
2024-03-01	1317.3	1310	880.2	587.8
2024-02-01	1344.2	1343.5	880.2	587.8
2024-01-01	1325.2	1325.9	880.2	587.8
2023-12-01	1325.2	1325.9	880.2	587.8

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	2024 Tshwane Chess AHS Open Chess Tournament (C2)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	3	1	Yes	Analysis
2	2024 Tshwane Chess OPEN Registration Tournament (C1)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U16C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
4	2023 Etienne Lewis Closed Tournament (U16)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
5	2023 Tshwane South School District CLOSED League Championship (U15)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	3	3	2	Yes	Analysis
6	2023 Menlo Open Tournament (C)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
7	2023 Lubowski Open Tournament (B)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
8	2023 Afrikaans Ho�r Seunskool Open Chess Tournament (B)	2023-03-04	2023-03-04	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
9	2023 Tshwane Chess Open Registration Tournament (B2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
10	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4.5	Yes	Analysis
11	2022 Tshwane Chess Open Registration Tournament (C1)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2021 Blou Bul Tournament (C)	2021-04-10	2021-04-10	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
13	2021 Registration Tournament (C)	2021-03-13	2021-03-13	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
14	2020 Blou Bul (C)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
15	2020 Registration Tournament (C)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2019 South African Junior Team Championships (U12B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
17	2019 Lardies Open (C)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
18	2019 Etienne Lewis Trials (U12 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
19	2019 Centurion Open (C)	2019-09-28	2019-09-28	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
20	2019 Mid-Gauteng Open (C)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
21	2019 Menlo Open (C)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
22	2019 Swartkop Open (C)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
23	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
24	2019 Chris Greyling (C)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
25	2019 D4 Individual Finals (U11 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
26	2019 TuksChess Open (C)	2019-02-23	2019-02-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
27	2019 Blou Bul (C)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
28	2019 Piet Robbertse (C)	2019-02-01	2019-02-03	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
29	2019 Tshwane Chess Registration Tournament (C)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
30	2018 Tshwane Inter Region (U10C)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
31	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
32	2018 Lardies Ope (C)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
33	2018 Gauteng North Open (C)	2018-10-20	2018-10-21	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
34	2018 Etienne Lewis Trials (U10 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
35	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
36	2018 Swartkop Open (C)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
37	2018 Lubowski Open (C)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
38	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
39	2018 D4 Tshwane North Individual Chess Championships (U9 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
40	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
41	South African Junior Team Championships 2017 (U10B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	6	Yes	Analysis

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2018				Tournament 2019 Tshwane Chess Registration Tournament
		date 2018-12-16	rnd 2	type Standard	result 1	date 2019-01-26	rnd 1	type Standard	result 1
		Opponent Mdingi, L (Limnandi)				Opponent Smit, M (Mikayla)
2	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Masilela, K (Khetho)				Opponent De Villiers, J (Juan)
3	6	Tournament 2019 Blou Bul				Tournament 2019 TuksChess Open
		date 2019-02-16	rnd 1	type Standard	result 0.5	date 2019-02-23	rnd 1	type Standard	result 1
		Opponent Erlank, BG (Brandon)				Opponent Du Preez, J (Julian)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2018				Tournament 2019 Tshwane Chess Registration Tournament
		date 2018-12-16	rnd 2	type Standard	result 1	date 2019-01-26	rnd 1	type Standard	result 1
		Opponent Mdingi, L (Limnandi)				Opponent Smit, M (Mikayla)
2	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Masilela, K (Khetho)				Opponent De Villiers, J (Juan)
3	6	Tournament 2019 Blou Bul				Tournament 2019 TuksChess Open
		date 2019-02-16	rnd 1	type Standard	result 0.5	date 2019-02-23	rnd 1	type Standard	result 1
		Opponent Erlank, BG (Brandon)				Opponent Du Preez, J (Julian)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Potgieter, KP (Kian Paul)				Opponent Niehaus, SJ (Samuel)
2	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Marx, J (Joshua)				Opponent Gibbens, A (Allan)
3	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Fourie, NP (Nathan Paul)				Opponent De Lange, T (Tristan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2018				Tournament 2019 Tshwane Chess Registration Tournament
		date 2018-12-16	rnd 2	type Standard	result 1	date 2019-01-26	rnd 1	type Standard	result 1
		Opponent Mdingi, L (Limnandi)				Opponent Smit, M (Mikayla)
2	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Lombard, DH (Duane)				Opponent Janse Van Vuuren, J (Janus)
3	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Masilela, K (Khetho)				Opponent Bacharam, B (Bivesh)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2018				Tournament 2019 Tshwane Chess Registration Tournament
		date 2018-12-16	rnd 2	type Standard	result 1	date 2019-01-26	rnd 1	type Standard	result 1
		Opponent Mdingi, L (Limnandi)				Opponent Smit, M (Mikayla)
2	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Lombard, DH (Duane)				Opponent Janse Van Vuuren, J (Janus)
3	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Masilela, K (Khetho)				Opponent Bacharam, B (Bivesh)

#	Games	Start				End
1	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Marx, J (Joshua)				Opponent Gibbens, A (Allan)
2	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Fourie, NP (Nathan Paul)				Opponent De Lange, T (Tristan)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Weder, E (Emil)				Opponent Weder, E (Emil)

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	Louw ,N (Nova)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Louw ,N (Nova)	3	1190.8	1332.5	3	1175.9	1332.5	0	0	0	0	0	0
2	Yang ,JD (Daniel)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Yang ,JD (Daniel)	3	1433.6	1433.6	3	1430.1	1433.6	0	0	0	0	0	0
3	Gruenenfelder ,W (Werni)	3	3	425	3	3	425	0	0	0	0	0	0
3	Gruenenfelder ,W (Werni)	3	993.2	1418.2	3	973	1418.2	0	0	0	0	0	0
4	Claassen ,EG (Emileo Gerrit)	2	1	0	2	1	0	0	0	0	0	0	0
4	Claassen ,EG (Emileo Gerrit)	2	1242.2	1242.2	2	1226.8	1242.2	0	0	0	0	0	0
5	Duvenhage ,LC (Leon Christiaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Duvenhage ,LC (Leon Christiaan)	2	1034.2	609.2	2	1032.1	609.2	0	0	0	0	0	0
6	Roetz ,K (Kyle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Roetz ,K (Kyle)	2	1022.4	809.9	2	1014.8	809.9	0	0	0	0	0	0
7	Mahajan ,S (Shaunak)	2	1	0	2	1	0	0	0	0	0	0	0
7	Mahajan ,S (Shaunak)	2	1032.7	1032.7	2	1024.2	1032.7	0	0	0	0	0	0
8	Swanepoel ,K (Karel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Swanepoel ,K (Karel)	2	1048.8	1261.3	2	1040.5	1261.3	0	0	0	0	0	0
9	Yang ,A (Alex)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Yang ,A (Alex)	2	1339.8	1552.3	2	1336.2	1552.3	0	0	0	0	0	0
10	Dvir ,O (Omer)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Dvir ,O (Omer)	2	1039.6	614.6	2	1037.3	614.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Gerber, J (Juandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms