Chess South Africa Ratings Database

PLAYER PAGE

Personal

Durow, NL (Neil)

Chess SA id

159008414

FIDE id

Date of birth

1959-07-28 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1693.4	1719.1	1674.8	1803.2
Raw rating	1693.4	1719.1	1674.8	1801
Weighted rating	1667.3	1687.2	1673.8	1803.2
Weighted performance	1559.9	1635.6	1373.2	0
Floor	1308.4	1307.9	1304.8	1304.8
K-factor	24	24	24	24
Min/Max rating change allowed	82.1	79.1	84.3	70.4
Highest rating	1808.4 2019-12-01	1807.9 2019-12-01	1804.8 2019-12-01	1804.8 2024-02-01
Highest raw rating	1808.4 2019-12-01	1807.9 2019-12-01	1804.8 2019-12-01	1804.8 2024-02-01
Highest weighted rating	1808.4 2019-06-01	1807.9 2019-06-01	1804.8 2019-12-01	1804.8 2024-02-01
Highest weighted performance	1735.8 2019-09-01	1734.3 2019-09-01	1644.8 2022-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.2
New rating	1693.4	1719.1	1674.8	1803
Analysis
Rating	1693.4	1719.1	1674.8	1803.2
Raw rating	1693.4	1719.1	1674.8	1801
Weighted rating	1667.3	1687.2	1673.8
Weighted performance	1559.9	1635.6	1373.2
K-factor	24	24	24	24
Floor	1308.4	1307.9	1304.8	1304.8
Max/Min rating change allowed	82.1	79.1	84.3	70.4
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	1693.4	1719.1	1674.8	1801
New weighted rating	1670.3	1691.4	1672.8	1803
New weighted performance	1559.3	1635	1372.7	0
Temp new rating	1693.4	1719.1	1674.8	1803
Temp new rating +/-	0	0	0	-0.2
Final new rating +/-	0	0	0	-0.2
New rating	1693.4	1719.1	1674.8	1803
New K-factor	24	24	24	24
New floor	1308.4	1307.9	1304.8	1304.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	56	14	19	23
	50	41	9	0
	33	21	12	0
	17	14	3	0
	0	0	0	0
History	363	290	43	30

Games since
	Main 106	Standard 55		Rapid 28		Blitz 23
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	312		123		50
Male	294		116		45
Adult	177		71		29
Adult Male	169		70		28
Standard
	RSA		Province		Region
Overall	262		107		47
Male	247		100		41
Adult	149		62		26
Adult Male	142		60		24
Rapid
	RSA		Province		Region
Overall	64		18		11
Male	63		17		10
Adult	45		16		10
Adult Male	44		15		9
Blitz
	RSA		Province		Region
Overall	53		20		9
Male	52		19		9
Adult	48		18		8
Adult Male	47		17		8


	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	56	35.5	63.39	113.8	1541	1654.9
Standard	14	9.5	67.86	151.8	1543.4	1695.2
Rapid	19	11	57.89	67.1	1560.1	1627.2
Blitz	23	15	65.22	129.3	1523.8	1653.1
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	180	110.5	61.39	96.8	1524.2	1621
Standard	114	72.5	63.6	115.6	1523.6	1639.2
Rapid	43	23	53.49	29.7	1526.1	1555.7
Blitz	23	15	65.22	129.3	1523.8	1653.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1693.4	1719.1	1674.8	1801
2025-09-01	1693.4	1719.1	1674.8	1801
2025-08-01	1693.4	1719.1	1674.8	1801
2025-07-01	1690.3	1719.1	1680.4	1803.9
2025-06-01	1684.2	1715.5	1680.4	1803.7
2025-05-01	1684.2	1715.5	1680.4	1800.6
2025-04-01	1684.6	1719.5	1683.5	1804.3
2025-03-01	1684.6	1719.5	1682.6	1804
2025-02-01	1708.8	1719.5	1683.8	1799.6
2025-01-01	1712.9	1719.5	1623.6	1804.8
2024-12-01	1614.7	1632.1	1623.6	1804.8
2024-11-01	1593	1609.8	1623.6	1804.8
2024-10-01	1611.7	1646.3	1623.6	1804.8
2024-09-01	1611.7	1646.3	1623.6	1804.8
2024-08-01	1618.3	1628.8	1670.6	1804.8
2024-07-01	1618.3	1628.8	1670.6	1804.8
2024-06-01	1640.3	1628.8	1739.7	1804.8
2024-08-01	1620.4	1600.5	1739.7	1804.8
2024-04-01	1620.4	1600.5	1739.7	1804.8
2024-03-01	1661.9	1641.8	1739.7	1804.8
2024-02-01	1661.9	1641.8	1739.7	1804.8
2024-01-01	1661.9	1641.8	1739.7	1804.8
2023-12-01	1638	1641.8	1739.7	1804.8
2023-11-01	1638	1641.8	1739.7	1804.8

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	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
2	Randburg Club Champs Blitz 2025	2025-07-08	2025-07-08	Blitz	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
3	Neil Savage Memorial Randburg Club Champs 2025	2025-05-06	2025-06-24	Standard	Johannesburg Metro (GJM)	8	7	4.5	Yes	Analysis
4	Randburg Autumn Rapid 2025	2025-04-15	2025-04-22	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
5	Randburg Chess Club Autumn Blitz	2025-04-08	2025-04-08	Blitz	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
6	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	7	5	Yes	Analysis
7	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
8	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
2	Randburg Club Champs Blitz 2025	2025-07-08	2025-07-08	Blitz	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
3	Neil Savage Memorial Randburg Club Champs 2025	2025-05-06	2025-06-24	Standard	Johannesburg Metro (GJM)	8	7	4.5	Yes	Analysis
4	Randburg Autumn Rapid 2025	2025-04-15	2025-04-22	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
5	Randburg Chess Club Autumn Blitz	2025-04-08	2025-04-08	Blitz	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
6	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	7	5	Yes	Analysis
7	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
8	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
9	Gauteng Inter-Region at UJ 2024 (Adult+Senior)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
10	Randburg Summer Swiss 2024	2024-10-29	2024-11-26	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
11	2024 Tshwane Chess Club Clash (Open)	2024-10-12	2024-10-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	Randburg Spring Swiss 2024	2024-08-20	2024-10-08	Standard	Johannesburg Metro (GJM)	7	6	4	Yes	Analysis
13	Randburg Rapid Club Champs 2024	2024-06-08	2024-08-13	Rapid	Johannesburg Metro (GJM)	8	3	1	Yes	Analysis
14	Randburg Chess Club Winter Swiss 2024	2024-06-11	2024-07-30	Standard	Johannesburg Metro (GJM)	7	6	4	Yes	Analysis
15	Randburg Autumn Rapid 2024	2024-05-28	2024-06-04	Rapid	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
16	Randburg Chess Club Championship 2024	2024-04-09	2024-05-21	Standard	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
17	Randburg Chess Club New Year Swiss 2024	2024-02-06	2024-02-06	Standard	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
18	Randburg Club Championships Swiss 2023	2023-08-29	2023-10-10	Standard	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
19	Randburg Club Championship Rapid 2023	2023-08-15	2023-08-22	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
20	Randburg Winter Swiss 2023	2023-06-13	2023-07-25	Standard	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
21	Randburg Mid-Year Themed Rapid 2023	2023-05-30	2023-06-06	Rapid	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
22	Randburg Autumn Swiss 2023	2023-04-11	2023-05-23	Standard	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
23	Randburg Summer Swiss 2022	2022-10-25	2022-12-06	Standard	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
24	Randburg Spring Rapid 2022	2022-09-20	2022-09-27	Rapid	Johannesburg Metro (GJM)	6	3	2	Yes	Analysis
25	Randburg Club Championships Swiss 2022	2022-07-19	2022-09-06	Standard	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
26	Randburg Chess Club Autum Swiss 2020	2020-02-04	2020-03-10	Standard	Johannesburg Metro (GJM)	6	5	3.5	Yes	Analysis
27	Randburg Chess Club Winter Swiss 2019	2019-07-30	2019-09-03	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
28	Randburg Club Champs 2019	2019-05-07	2019-06-18	Standard	Johannesburg Metro (GJM)	7	7	5.5	Yes	Analysis
29	Randburg Club - Summer Swiss 2018	2018-01-30	2018-03-13	Standard	Johannesburg Metro (GJM)	7	6	4.5	Yes	Analysis

#	Games	Start				End
1	18	Tournament Randburg Club - Summer Swiss 2018				Tournament Randburg Chess Club Autum Swiss 2020
		date 2018-02-27	rnd 5	type Standard	result 1	date 2020-02-11	rnd 2	type Standard	result 1
		Opponent Bester, K (Keira)				Opponent Snyckers, FA (Frank)
2	13	Tournament 2024 Tshwane Chess Club Clash				Tournament Randburg New Year Blitz 2025
		date 2024-10-12	rnd 5	type Standard	result 1	date 2025-01-21	rnd 2	type Blitz	result 1
		Opponent De Vries, MA (Andrio)				Opponent Jolliffe, SR (Shaun)
3	7	Tournament Neil Savage Memorial Randburg Club Champs 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-05-20	rnd 3	type Standard	result 1	date 2025-07-08	rnd 2	type Blitz	result 1
		Opponent Sparks, SJW (Stephen)				Opponent Diplock, GT (Graham Trevor)

#	Games	Start				End
1	18	Tournament Randburg Club - Summer Swiss 2018				Tournament Randburg Chess Club Autum Swiss 2020
		date 2018-02-27	rnd 5	type Standard	result 1	date 2020-02-11	rnd 2	type Standard	result 1
		Opponent Bester, K (Keira)				Opponent Snyckers, FA (Frank)
2	12	Tournament 2024 Tshwane Chess Club Clash				Tournament Randburg Chess Club New Year Swiss 2025
		date 2024-10-12	rnd 5	type Standard	result 1	date 2025-02-11	rnd 1	type Standard	result 1
		Opponent De Vries, MA (Andrio)				Opponent Savage, NR (Neil Robinson)
3	5	Tournament Neil Savage Memorial Randburg Club Champs 2025				Tournament Neil Savage Memorial Randburg Club Champs 2025
		date 2025-05-20	rnd 3	type Standard	result 1	date 2025-06-24	rnd 8	type Standard	result 1
		Opponent Sparks, SJW (Stephen)				Opponent Mungal, E (Ethan)

#	Games	Start				End
1	4	Tournament Randburg Autumn Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-04-22	rnd 6	type Rapid	result 0.5	date 2025-07-15	rnd 2	type Rapid	result 1
		Opponent Tak, R (Rannveer)				Opponent Deysel, H (Hannah)
2	3	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Autumn Rapid 2025
		date 2025-02-04	rnd 6	type Rapid	result 1	date 2025-04-15	rnd 2	type Rapid	result 1
		Opponent Sinha, A (Anurag)				Opponent Malaudzi, W (Wiseman)
3	3	Tournament Randburg Autumn Rapid 2024				Tournament Randburg Autumn Rapid 2024
		date 2024-05-28	rnd 2	type Rapid	result 1	date 2024-06-04	rnd 4	type Rapid	result 0.5
		Opponent Steele, S (Sangwani)				Opponent Pillay, N (Nico)

#	Games	Start				End
1	7	Tournament Randburg Chess Club Autumn Blitz				Tournament Randburg Club Champs Blitz 2025
		date 2025-04-08	rnd 3	type Blitz	result 1	date 2025-07-08	rnd 2	type Blitz	result 1
		Opponent Nzuza, M (Mduduzi)				Opponent Diplock, GT (Graham Trevor)
2	2	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 6	type Blitz	result 1	date 2025-07-08	rnd 7	type Blitz	result 1
		Opponent Hangelbroek, P (Peter)				Opponent Mphasha, L (Lengoko)
3	2	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 2	type Blitz	result 1
		Opponent Whittaker, G (Gregory)				Opponent Jolliffe, SR (Shaun)

#	Games	Start				End
1	7	Tournament Randburg Chess Club Autumn Blitz				Tournament Randburg Autumn Rapid 2025
		date 2025-04-08	rnd 3	type Blitz	result 1	date 2025-04-15	rnd 2	type Rapid	result 1
		Opponent Nzuza, M (Mduduzi)				Opponent Malaudzi, W (Wiseman)
2	4	Tournament Randburg Chess Club New Year Swiss 2025				Tournament Randburg Chess Club New Year Swiss 2025
		date 2025-03-04	rnd 4	type Standard	result 1	date 2025-04-01	rnd 8	type Standard	result 1
		Opponent Rothemeyer, K (Klaus)				Opponent Mphasha, ME (Morwa Elsius)
3	4	Tournament Gauteng Inter-Region at UJ 2024				Tournament Randburg New Year Blitz 2025
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-01-21	rnd 2	type Blitz	result 1
		Opponent Makhosonke, KM (Kuhlase)				Opponent Jolliffe, SR (Shaun)

#	Games	Start				End
1	5	Tournament Randburg Chess Club New Year Swiss 2025				Tournament Neil Savage Memorial Randburg Club Champs 2025
		date 2025-03-04	rnd 4	type Standard	result 1	date 2025-05-06	rnd 1	type Standard	result 1
		Opponent Rothemeyer, K (Klaus)				Opponent Rothemeyer, K (Klaus)
2	4	Tournament Randburg Club Champs 2019				Tournament Randburg Chess Club Winter Swiss 2019
		date 2019-06-11	rnd 6	type Standard	result 1	date 2019-08-06	rnd 2	type Standard	result 1
		Opponent Wilke, EG (Eljeanie)				Opponent Hangelbroek, P (Peter)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Randburg Chess Club New Year Swiss 2025
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-02-11	rnd 1	type Standard	result 1
		Opponent Makhosonke, KM (Kuhlase)				Opponent Savage, NR (Neil Robinson)

#	Games	Start				End
1	3	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Autumn Rapid 2025
		date 2025-02-04	rnd 6	type Rapid	result 1	date 2025-04-15	rnd 2	type Rapid	result 1
		Opponent Sinha, A (Anurag)				Opponent Malaudzi, W (Wiseman)
2	2	Tournament Randburg Chess Club Winter Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-22	rnd 4	type Rapid	result 1	date 2025-07-22	rnd 5	type Rapid	result 1
		Opponent Mungal, Z (Zoey)				Opponent Metcalfe, AR (Allister Richard)
3	2	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-01-28	rnd 2	type Rapid	result 1	date 2025-01-28	rnd 3	type Rapid	result 1
		Opponent Jolliffe, SR (Shaun)				Opponent Hangelbroek, P (Peter)

#	Games	Start				End
1	7	Tournament Randburg Chess Club Autumn Blitz				Tournament Randburg Club Champs Blitz 2025
		date 2025-04-08	rnd 3	type Blitz	result 1	date 2025-07-08	rnd 2	type Blitz	result 1
		Opponent Nzuza, M (Mduduzi)				Opponent Diplock, GT (Graham Trevor)
2	2	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 6	type Blitz	result 1	date 2025-07-08	rnd 7	type Blitz	result 1
		Opponent Hangelbroek, P (Peter)				Opponent Mphasha, L (Lengoko)
3	2	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 2	type Blitz	result 1
		Opponent Whittaker, G (Gregory)				Opponent Jolliffe, SR (Shaun)

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	Metcalfe ,AR (Allister Richard)	13	4	-163.5	11	3	-193.2	2	1	0	0	0	0
1	Metcalfe ,AR (Allister Richard)	13	1717.8	1554.4	11	1736.3	1524.7	2	1687.3	1717.8	0	0	0
2	Essop ,R (Rashied)	12	8	141.7	8	5	106.2	3	2	141.7	1	1	425
2	Essop ,R (Rashied)	12	1470.6	1612.3	8	1487.1	1576.8	3	1462.2	1612.3	1	1223.3	1895.6
3	Snyckers ,FA (Frank Alexander)	9	6.5	188.9	8	5.5	159.4	1	1	425	0	0	0
3	Snyckers ,FA (Frank Alexander)	9	1527.1	1716	8	1532.6	1686.5	1	1576.3	1952.1	0	0	0
4	Tak ,R (Rannveer)	9	4	-47.2	5	3	85	4	1	-212.5	0	0	0
4	Tak ,R (Rannveer)	9	1612.8	1565.5	5	1614.7	1697.8	4	1446.2	1400.3	0	0	0
5	Hangelbroek ,P (Peter)	8	7.5	371.9	6	5.5	354.2	1	1	425	1	1	425
5	Hangelbroek ,P (Peter)	8	1522.7	1894.6	6	1539.7	1876.9	1	1512	1947.7	1	1603.5	1947.7
6	Kleyn ,AE (Andrew Edward)	5	3	85	4	2	0	1	1	425	0	0	0
6	Kleyn ,AE (Andrew Edward)	5	1722.6	1807.6	4	1721.8	1722.6	1	1779.8	2147.6	0	0	0
7	Snyckers ,A (Adam)	5	3.5	170	4	3.5	318.8	0	0	0	1	0	-425
7	Snyckers ,A (Adam)	5	1579.3	1749.3	4	1537.7	1898.1	0	0	0	1	1371.9	1154.3
8	Jolliffe ,SR (Shaun)	5	5	425	0	0	0	2	2	425	3	3	425
8	Jolliffe ,SR (Shaun)	5	1517.5	1942.5	0	0	0	2	1432.1	1942.5	3	1442.4	1942.5
9	Essop ,H (Haroon)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
9	Essop ,H (Haroon)	4	1421.2	1315	4	1419.5	1315	0	0	0	0	0	0
10	Savage ,NR (Neil Robinson)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
10	Savage ,NR (Neil Robinson)	4	1465.4	1784.2	4	1464.2	1784.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Durow, NL (Neil)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms