Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vermaak, GJ (Gerhardus Jacobus (Eckhard))

Chess SA id

1110145803

FIDE id

Date of birth

2011-04-06 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1345.4

Item	Main	Standard	Rapid	Blitz
Rating	1343.5	1353	1242.8	1200
Raw rating	1343.5	1353	1242.8	1200
Weighted rating	1310.5	1315	1242.8	1200
Weighted performance	1239.3	1236.1	0	0
Floor	843.5	853	742.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.2	133.3	156	165.8
Highest rating	1366.8 2022-08-01	1435.4 2022-08-01	1361.6 2022-04-01	1200 2018-10-01
Highest raw rating	1343.5 2025-09-01	1353 2025-09-01	1242.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1302.6 2025-09-01	1306 2025-09-01	1242.8 2024-04-01	1200 2018-10-01
Highest weighted performance	1366.8 2022-08-01	1435.4 2022-08-01	1361.6 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1343.5	1353	1242.8	1200
Analysis
Rating	1343.5	1353	1242.8	1200
Raw rating	1343.5	1353	1242.8	1200
Weighted rating	1310.5	1315	1242.8
Weighted performance	1239.3	1236.1	0
K-factor	36	36	36	36
Floor	843.5	853	742.8	700
Max/Min rating change allowed	135.2	133.3	156	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	1343.5	1353	1242.8	1200
New weighted rating	1314.1	1319	1242.8	1200
New weighted performance	1231.2	1228	0	0
Temp new rating	1343.5	1353	1242.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1343.5	1353	1242.8	1200
New K-factor	36	36	36	36
New floor	843.5	853	742.8	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	15	15	0
	15	15	0
	16	10	6
	0	0	0
History	51	45	6

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	5	4	80	255	1261.4	1516.4
Standard	5	4	80	255	1261.4	1516.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	33.5	65.69	133.3	1208.3	1341.6
Standard	45	29.5	65.56	132.2	1215.3	1347.5
Rapid	6	4	66.67	141.7	1156.1	1297.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1343.5	1353	1242.8	1200
2025-09-30	1343.5	1353	1242.8	1200
2025-09-01	1343.5	1353	1242.8	1200
2025-08-01	1305	1307.7	1242.8	1200
2025-07-01	1305	1307.7	1242.8	1200
2025-06-01	1305	1307.7	1242.8	1200
2025-05-01	1305	1307.7	1242.8	1200
2025-04-01	1305	1307.7	1242.8	1200
2025-03-01	1305	1307.7	1242.8	1200
2025-02-01	1305	1307.7	1242.8	1200
2025-01-01	1305	1307.7	1242.8	1200
2024-12-01	1305	1307.7	1242.8	1200
2024-11-01	1305	1307.7	1242.8	1200
2024-10-01	1328.3	1336.9	1242.8	1200
2024-09-01	1328.3	1336.9	1242.8	1200
2024-08-01	1277.5	1277.9	1242.8	1200
2024-07-01	1277.5	1277.9	1242.8	1200
2024-09-01	1277.5	1277.9	1242.8	1200
2024-05-01	1265.8	1267.5	1242.8	1200
2024-04-01	1265.8	1267.5	1242.8	1200
2024-03-01	1265.8	1267.5	1242.8	1200
2024-02-01	1265.8	1267.5	1242.8	1200
2024-01-01	1265.8	1267.5	1242.8	1200
2023-12-01	1265.8	1267.5	1242.8	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	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
4	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2023 Tshwane South School District CLOSED League Championship (U13)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	Chris Greyling Open Tournament 2023 (D2)	2023-03-21	2023-03-21	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	2023 Afrikaans Ho�r Seunskool Open Chess Tournament (D2)	2023-03-04	2023-03-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2022 Gauteng Schools Team Championships (U11 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
9	D4 Play Offs 2022 (U11)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
10	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	6	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament D4 Play Offs 2022				Tournament 2022 Gauteng Schools Team Championships
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 0.5
		Opponent Richards, J (Jc)				Opponent Pillay, V (Verana)
2	6	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Swart, J (Juan-Franco)
3	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent De Beer, L (Liam)				Opponent Maluleke, J (John)

#	Games	Start				End
1	8	Tournament D4 Play Offs 2022				Tournament 2022 Gauteng Schools Team Championships
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 0.5
		Opponent Richards, J (Jc)				Opponent Pillay, V (Verana)
2	6	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Swart, J (Juan-Franco)
3	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent De Beer, L (Liam)				Opponent Maluleke, J (John)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Cox, C (Carsten)				Opponent Swanepoel, D (Daniel)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Kleynhans, V (Victor)				Opponent Kleynhans, V (Victor)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent De Beer, L (Liam)
2	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent De Beer, L (Liam)				Opponent Maluleke, J (John)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Masilela, T (Tshiamo)				Opponent Moletsane, O (Oabile)

#	Games	Start				End
1	4	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent De Beer, L (Liam)
2	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-07-29	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent De Beer, L (Liam)				Opponent Maluleke, J (John)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Masilela, T (Tshiamo)				Opponent Moletsane, O (Oabile)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Cox, C (Carsten)				Opponent Swanepoel, D (Daniel)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Kleynhans, V (Victor)				Opponent Kleynhans, V (Victor)

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	Reyneke ,D (Divan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Reyneke ,D (Divan)	2	1210.9	1210.9	2	1212.4	1210.9	0	0	0	0	0	0
2	De Beer ,L (Liam)	2	2	425	2	2	425	0	0	0	0	0	0
2	De Beer ,L (Liam)	2	1129.7	1554.7	2	1124.5	1554.7	0	0	0	0	0	0
3	Briers ,F (Frederik)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
3	Briers ,F (Frederik)	2	1204.8	992.3	1	1229	1204.8	1	1200	779.8	0	0	0
4	Mcphail ,M (Matthew)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Mcphail ,M (Matthew)	2	1308.2	1308.2	1	1377.6	1733.2	1	1200	883.2	0	0	0
5	Kirstein ,T (Tinus Ederich)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kirstein ,T (Tinus Ederich)	1	1432.3	1007.3	1	1408	1007.3	0	0	0	0	0	0
6	Yousafzai ,S (Sangin Khan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Yousafzai ,S (Sangin Khan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Olivier ,T (Theana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Olivier ,T (Theana)	1	1056.1	1056.1	1	1054.4	1056.1	0	0	0	0	0	0
8	Scholtz ,GJ (Gerhardus Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Scholtz ,GJ (Gerhardus Jacobus)	1	1102.2	677.2	1	1101.6	677.2	0	0	0	0	0	0
9	Swart ,J (Juan-Franco)	1	1	425	1	1	425	0	0	0	0	0	0
9	Swart ,J (Juan-Franco)	1	1305	1730	1	1295	1730	0	0	0	0	0	0
10	De Vos ,J (Jarod)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Vos ,J (Jarod)	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

Vermaak, GJ (Gerhardus Jacobus (Eckhard))

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms