Chess South Africa Ratings Database

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Personal

Wolmarans, GM (Gregory)

Chess SA id

153043180

FIDE id

Date of birth

1953-04-23 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1475.4	1478.5	1526.3	1789.7
Raw rating	1475.4	1478.5	1526.3	1789.7
Weighted rating	1470.6	1473.8	1526.2	1789.7
Weighted performance	1235	1252.8	861.8	0
Floor	1289.7	1289.7	1289.7	1289.7
K-factor	28	28	28	28
Min/Max rating change allowed	112	111.5	104.2	71.6
Highest rating	1789.7 2018-02-01	1789.7 2018-02-01	1789.7 2018-02-01	1789.7 2018-02-01
Highest raw rating	1789.7 2018-01-01	1789.7 2018-01-01	1789.7 2018-01-01	1789.7 2024-02-01
Highest weighted rating	1789.7 2018-02-01	1789.7 2018-02-01	1789.7 2018-02-01	1789.7 2018-02-01
Highest weighted performance	1616.5 2019-04-01	1612.8 2019-04-01	1325.5 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1475.4	1478.5	1526.3	1789.7
Analysis
Rating	1475.4	1478.5	1526.3	1789.7
Raw rating	1475.4	1478.5	1526.3	1789.7
Weighted rating	1470.6	1473.8	1526.2
Weighted performance	1235	1252.8	861.8
K-factor	28	28	28	28
Floor	1289.7	1289.7	1289.7	1289.7
Max/Min rating change allowed	112	111.5	104.2	71.6
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	1475.4	1478.5	1526.3	1789.7
New weighted rating	1471.4	1474.4	1526.2	1789.7
New weighted performance	1226.3	1244	853.6	0
Temp new rating	1475.4	1478.5	1526.3	1789.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1475.4	1478.5	1526.3	1789.7
New K-factor	28	28	28	28
New floor	1289.7	1289.7	1289.7	1289.7

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	23	18	5	0
	27	22	5	0
	5	0	5	0
	15	3	12	0
History	484	371	80	33

Games since
	Main 23	Standard 18		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	176	88	50	0	1461.1	1461.1
Standard	140	69.5	49.64	-3	1478	1475
Rapid	36	18.5	51.39	11.8	1395.2	1407
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1475.4	1478.5	1526.3	1789.7
2025-09-30	1475.4	1478.5	1526.3	1789.7
2025-09-01	1475.4	1478.5	1526.3	1789.7
2025-08-01	1475.4	1478.5	1526.3	1789.7
2025-07-01	1475.4	1478.5	1526.3	1789.7
2025-06-01	1475.4	1478.5	1526.3	1789.7
2025-05-01	1475.4	1478.5	1526.3	1789.7
2025-04-01	1475.4	1478.5	1526.3	1789.7
2025-03-01	1475.4	1478.5	1526.3	1789.7
2025-02-01	1475.4	1478.5	1526.3	1789.7
2025-01-01	1475.4	1478.5	1526	1789.7
2024-12-01	1475.4	1478.5	1526	1789.7
2024-11-01	1475.4	1478.5	1526	1789.7
2024-10-01	1475.4	1478.5	1526	1789.7
2024-09-01	1452.8	1455.7	1526	1789.7
2024-08-01	1443.3	1444.2	1526	1789.7
2024-07-01	1443.3	1444.2	1526	1789.7
2024-09-01	1443.3	1444.2	1526	1789.7
2024-05-01	1443.3	1444.2	1526	1789.7
2024-04-01	1443.3	1444.2	1526	1789.7
2024-03-01	1472.2	1479.7	1526	1789.7
2024-02-01	1464.7	1479.7	1527	1789.7
2024-01-01	1464.7	1479.7	1527	1789.7
2023-12-01	1464.7	1479.7	1527	1789.7

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 UCC Mind Over Board (A)	2024-08-30	2024-09-01	Standard	Nelson Mandela Bay (ENM)	5	4	2.5	Yes	Analysis
2	NMB Open 2024 (A)	2024-08-02	2024-08-04	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
3	UCC Strategic Moves 2024 (A)	2024-03-08	2024-03-09	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
4	Madibaz Chess Tournament 2024 (A)	2024-03-01	2024-03-02	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
5	YCA Otto Du Plessis Rapid 2024 (A)	2024-02-03	2024-02-03	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
6	PECC Club Championship 2023 (Senior)	2023-10-12	2023-11-23	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
7	Uitenhage Chess Club Grand Prix 2023 (A)	2023-08-25	2023-08-26	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
8	Youth Chess Acadamy Rapid Tournament 2023 (A)	2023-03-11	2023-03-11	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
9	PECC Presidents Cup 2023	2023-02-02	2023-03-16	Standard	Nelson Mandela Bay (ENM)	7	6	3.5	Yes	Analysis
10	NMB 2nd Trials 2023 (Adults)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
11	2022 Madibaz Physics Chess Open (B)	2022-10-07	2022-10-08	Rapid	Nelson Mandela Bay (ENM)	7	5	1.5	Yes	Analysis
12	NMB Closed 2021 (B)	2021-12-16	2021-12-19	Standard	Nelson Mandela Bay (ENM)	5	3	0	Yes	Analysis
13	Fundraising Rapid Tournament 2021 (A)	2021-11-27	2021-11-27	Rapid	Buffalo City (EBC)	5	5	2	Yes	Analysis
14	Alekhine Chess Club Rapid 2021	2021-10-02	2021-10-02	Rapid	Nelson Mandela Bay (ENM)	7	7	6	Yes	Analysis
15	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
16	Springbok Cup 2020	2020-01-24	2020-02-20	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
17	2020 NMBCU Chess Trial 1 (U20+Open)	2020-02-08	2020-02-09	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
18	PE Chess Club Open 2019 (A)	2019-10-11	2019-10-13	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
19	PECC King Cars Grand Prix Fourth Leg 2019	2019-08-03	2019-08-03	Rapid	Nelson Mandela Bay (ENM)	7	4	1	Yes	Analysis
20	PECC Club Championships 2019 (Championship)	2019-07-04	2019-07-11	Standard	Nelson Mandela Bay (ENM)	5	5	0	Yes	Analysis
21	King Cars PECC Grand Prix Third Leg 2019	2019-04-27	2019-05-04	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
22	Springbok Cup 2019	2019-02-07	2019-04-04	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
23	Presidents Cup 2019	2019-04-11	2019-04-11	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
24	2019 Boardwalk Pearson Open (Open)	2019-03-28	2019-03-31	Standard	Nelson Mandela Bay (ENM)	9	9	5	Yes	Analysis
25	King Cars PECC Grand Prix First Leg 2019	2019-02-02	2019-02-09	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
26	PE Chess Club Open 2018 (A)	2018-09-21	2018-09-23	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
27	PECC Club Championships 2018 (A)	2018-07-26	2018-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	0.5	Yes	Analysis
28	Oudtshoorn Open 2018	2018-06-29	2018-06-30	Standard	Eden (WEG)	6	6	4	Yes	Analysis
29	King Cars PECC Grand Prix Third Leg 2018	2018-06-22	2018-06-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
30	PE Chess Club Classic 2018	2018-04-26	2018-05-24	Standard	Nelson Mandela Bay (ENM)	5	5	4.5	Yes	Analysis
31	Alekhine Open Chess Tournament 2018 (A)	2018-05-04	2018-05-05	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
32	PECC - Springbok Cup 2018	2018-02-15	2018-03-22	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
33	King Cars PECC Grand Prix First Leg 2018	2018-03-03	2018-03-10	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
34	2018 Boardwalk Pearson Open (A)	2018-03-16	2018-03-18	Standard	Nelson Mandela Bay (ENM)	6	5	0	Yes	Analysis
35	PE Chess Club February Rapid 2018	2018-02-01	2018-02-08	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament Alekhine Open Chess Tournament 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 0.5
		Opponent Kettledas, JT (Joshua)				Opponent Govindsamy, M (Matthew)
2	7	Tournament Alekhine Chess Club Rapid 2021				Tournament Alekhine Chess Club Rapid 2021
		date 2021-10-02	rnd 1	type Rapid	result 1	date 2021-10-02	rnd 7	type Rapid	result 0.5
		Opponent Odendaal, G (Gabbi)				Opponent Edwards, MB (Murry)
3	6	Tournament 2019 Boardwalk Pearson Open				Tournament 2019 Boardwalk Pearson Open
		date 2019-03-29	rnd 2	type Standard	result 1	date 2019-03-30	rnd 7	type Standard	result 1
		Opponent Louis, C (Caitlyn)				Opponent Bruintjies, HC (Hailey)

#	Games	Start				End
1	9	Tournament Alekhine Open Chess Tournament 2018				Tournament King Cars PECC Grand Prix Third Leg 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 0.5
		Opponent Kettledas, JT (Joshua)				Opponent Govindsamy, M (Matthew)
2	6	Tournament 2019 Boardwalk Pearson Open				Tournament 2019 Boardwalk Pearson Open
		date 2019-03-29	rnd 2	type Standard	result 1	date 2019-03-30	rnd 7	type Standard	result 1
		Opponent Louis, C (Caitlyn)				Opponent Bruintjies, HC (Hailey)
3	5	Tournament Springbok Cup 2020				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-02-20	rnd 5	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent Mtati, A (Anelisa)

#	Games	Start				End
1	7	Tournament Alekhine Chess Club Rapid 2021				Tournament Alekhine Chess Club Rapid 2021
		date 2021-10-02	rnd 1	type Rapid	result 1	date 2021-10-02	rnd 7	type Rapid	result 0.5
		Opponent Odendaal, G (Gabbi)				Opponent Edwards, MB (Murry)
2	3	Tournament 2022 Madibaz Physics Chess Open				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2022-10-08	rnd 5	type Rapid	result 0.5	date 2023-03-11	rnd 2	type Rapid	result 1
		Opponent Kapp, S (Sebastian)				Opponent Roberts, MJ (Marcel)
3	3	Tournament PE Chess Club February Rapid 2018				Tournament PECC King Cars Grand Prix Fourth Leg 2019
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2019-08-03	rnd 2	type Rapid	result 1
		Opponent Van Huyssteen, H (Hermanus)				Opponent Peter, NM (Neathan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Springbok Cup 2020				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-02-20	rnd 5	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent Mtati, A (Anelisa)
2	5	Tournament PE Chess Club February Rapid 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 1	type Standard	result 1
		Opponent Van Huyssteen, H (Hermanus)				Opponent Peter, M (Mnico)
3	4	Tournament Alekhine Chess Club Rapid 2021				Tournament Alekhine Chess Club Rapid 2021
		date 2021-10-02	rnd 1	type Rapid	result 1	date 2021-10-02	rnd 4	type Rapid	result 1
		Opponent Odendaal, G (Gabbi)				Opponent Jikijela, M (Musa)

#	Games	Start				End
1	5	Tournament Springbok Cup 2020				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-02-20	rnd 5	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent Mtati, A (Anelisa)
2	3	Tournament Presidents Cup 2019				Tournament King Cars PECC Grand Prix Third Leg 2019
		date 2019-04-11	rnd 4	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Van Huyssteen, JA (Johan Abraham)				Opponent Louis, C (Caitlyn)
3	3	Tournament King Cars PECC Grand Prix Third Leg 2018				Tournament Oudtshoorn Open 2018
		date 2018-06-24	rnd 6	type Standard	result 1	date 2018-06-30	rnd 2	type Standard	result 1
		Opponent Zwayi, M (Mzwandile)				Opponent Grispe, S (Syd)

#	Games	Start				End
1	4	Tournament Alekhine Chess Club Rapid 2021				Tournament Alekhine Chess Club Rapid 2021
		date 2021-10-02	rnd 1	type Rapid	result 1	date 2021-10-02	rnd 4	type Rapid	result 1
		Opponent Odendaal, G (Gabbi)				Opponent Jikijela, M (Musa)
2	3	Tournament PE Chess Club February Rapid 2018				Tournament PECC King Cars Grand Prix Fourth Leg 2019
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2019-08-03	rnd 2	type Rapid	result 1
		Opponent Van Huyssteen, H (Hermanus)				Opponent Peter, NM (Neathan)
3	2	Tournament YCA Otto Du Plessis Rapid 2024				Tournament YCA Otto Du Plessis Rapid 2024
		date 2024-02-03	rnd 3	type Rapid	result 1	date 2024-02-03	rnd 4	type Rapid	result 1
		Opponent Chipunza, J (Jared)				Opponent Whyte, M (M.nazier)

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	Jacobs ,KT (Kevin Terence)	8	0.5	-371.9	8	0.5	-371.9	0	0	0	0	0	0
1	Jacobs ,KT (Kevin Terence)	8	1876.1	1504.2	8	1885.5	1504.2	0	0	0	0	0	0
2	Nevin ,TW (Tyler William)	6	0	-425	5	0	-425	1	0	-425	0	0	0
2	Nevin ,TW (Tyler William)	6	1620.9	1195.9	5	1638.1	1195.9	1	1398	1195.9	0	0	0
3	Peter ,NM (Neathan Mninawa)	6	4	141.7	5	3	85	1	1	425	0	0	0
3	Peter ,NM (Neathan Mninawa)	6	1487.7	1629.4	5	1499	1572.7	1	1329.2	1912.7	0	0	0
4	Dakin ,BR (Brett Russell)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
4	Dakin ,BR (Brett Russell)	5	1546.6	1206.6	5	1556.8	1206.6	0	0	0	0	0	0
5	Banks ,DA (Delano Arthur)	4	2	0	4	2	0	0	0	0	0	0	0
5	Banks ,DA (Delano Arthur)	4	1410.3	1410.3	4	1423.2	1410.3	0	0	0	0	0	0
6	Odendaal ,F (Frederick)	4	0	-425	4	0	-425	0	0	0	0	0	0
6	Odendaal ,F (Frederick)	4	1978.3	1553.3	4	1978.1	1553.3	0	0	0	0	0	0
7	Nasilowski ,R (Rinus)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
7	Nasilowski ,R (Rinus)	4	1693.7	1481.2	4	1698.8	1481.2	0	0	0	0	0	0
8	Nevin ,TP (Timothy Patrick)	4	3	212.5	3	3	425	1	0	-425	0	0	0
8	Nevin ,TP (Timothy Patrick)	4	1281.3	1493.8	3	1238	1706.3	1	1317.9	856.3	0	0	0
9	Peter ,M (Mnico)	4	2	0	2	1	0	2	1	0	0	0	0
9	Peter ,M (Mnico)	4	1233.2	1233.2	2	1265.3	1233.2	2	1173.4	1233.2	0	0	0
10	February ,JN (Jesse Nikki)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	February ,JN (Jesse Nikki)	3	1954.5	1812.8	3	1953.3	1812.8	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

Wolmarans, GM (Gregory)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms