Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kok, L (Largo)

Chess SA id

1090144712

FIDE id

Date of birth

2009-10-19 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

33.5

Junior GPX Points

1201.6

Item	Main	Standard	Rapid	Blitz
Rating	1342.8	1343.4	1199.9	1200
Raw rating	1342.8	1340.9	1199.9	1200
Weighted rating	1342.5	1343.4	1199.9	1200
Weighted performance	1222.2	1219.1	0	0
Floor	876.6	884.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.3	135.7	165.8	165.8
Highest rating	1376.6 2025-09-01	1384.8 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1376.6 2025-09-01	1384.8 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1367.9 2025-03-01	1373.7 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1374.8 2023-10-01	1372.2 2023-10-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.1	0	0
New rating	1342.8	1343.3	1199.9	1200
Analysis
Rating	1342.8	1343.4	1199.9	1200
Raw rating	1342.8	1340.9	1199.9	1200
Weighted rating	1342.5	1343.4	1199.9
Weighted performance	1222.2	1219.1	0
K-factor	36	36	36	36
Floor	876.6	884.8	700	700
Max/Min rating change allowed	135.3	135.7	165.8	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	1342.8	1340.9	1199.9	1200
New weighted rating	1342.6	1343.3	1199.9	1200
New weighted performance	1214.8	1211.7	0	0
Temp new rating	1342.8	1343.3	1199.9	1200
Temp new rating +/-	0	-0.1	0	0
Final new rating +/-	0	-0.1	0	0
New rating	1342.8	1343.3	1199.9	1200
New K-factor	36	36	36	36
New floor	876.6	884.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	21	16	5
	39	39	0
	35	35	0
	5	5	0
	0	0	0
History	100	95	5

Games since
	Main 60	Standard 55		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2801		965		101
Male	2239		762		82
U18	432		165		18
U18 Male	365		138		17
Standard
	RSA		Province		Region
Overall	2732		1000		105
Male	2188		800		86
U18	444		175		22
U18 Male	379		150		21
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	21	9.5	45.24	-40.5	1297	1256.5
Standard	16	7.5	46.88	-26.6	1291.2	1264.7
Rapid	5	2	40	-85	1315.3	1230.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	100	52	52	17	1279.6	1296.6
Standard	95	50	52.63	22.4	1277.7	1300
Rapid	5	2	40	-85	1315.3	1230.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1342.8	1340.9	1199.9	1200
2025-09-30	1376.6	1384.8	1199.9	1200
2025-09-01	1376.6	1384.8	1199.9	1200
2025-08-01	1336.6	1336.3	1199.9	1200
2025-07-01	1335	1334.2	1199.9	1200
2025-06-01	1337	1336.8	1199.9	1200
2025-05-01	1335.6	1336.2	1199.2	1200
2025-04-01	1334.2	1333.7	1200	1200
2025-03-01	1334.8	1334.4	1200	1200
2025-02-01	1330.3	1329.5	1200	1200
2025-01-01	1288	1280.8	1200	1200
2024-12-01	1314.4	1310.3	1200	1200
2024-11-01	1332.9	1334.1	1200	1200
2024-10-01	1340.7	1340.9	1200	1200
2024-09-01	1367.9	1373.7	1200	1200
2024-08-01	1367.9	1373.7	1200	1200
2024-07-01	1367.9	1373.7	1200	1200
2024-09-01	1367.9	1373.7	1200	1200
2024-05-01	1367.9	1373.7	1200	1200
2024-04-01	1308.7	1302.1	1200	1200
2024-03-01	1308.7	1302.1	1200	1200
2024-02-01	1308.7	1302.1	1200	1200
2024-01-01	1360.1	1357.5	1200	1200
2023-12-01	1360.1	1357.5	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	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U17)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
3	LS Vryheidsmonument Chess Open 21 Jun 2025 (B)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	HS Overvaal Rapid 12 Apr 2025 (B)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
5	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U17)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
3	LS Vryheidsmonument Chess Open 21 Jun 2025 (B)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	HS Overvaal Rapid 12 Apr 2025 (B)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
5	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U16 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
7	Queens Gambit Chess Open 2024 (B)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	NWU Vaal Chess Open 12 Oct 2024 (C)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
9	North School Primary Chess Open 2024 (B)	2024-08-31	2024-08-31	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
10	Hoerskool Overvaal Chess Open 2024 (B)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
11	Vaalpark Primary Chess Open 2024 (B)	2024-04-13	2024-04-13	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
12	HS Drie Riviere Chess Open Section 2024	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U16C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
14	NWU Vaal Open 2023 (C)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
15	Fonteine Chess Open 2023 (C)	2023-09-02	2023-09-02	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
16	2023 Gauteng Top Schools (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
17	Gauteng D7 Teams 2023 (U15)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
18	Valia's Chess Tournament 2023 (C)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	Gauteng Schools D7 2023 (U15 Boys)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
20	Laerkool Midvaal Chess Open 2023 (C)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
21	D7 Teams 2022 (U13 Mixed+Girls)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament HS Drie Riviere Chess Open Section 2024				Tournament Vaalpark Primary Chess Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Howat, LC (Logan)				Opponent Chamo, M (Mpho)
2	5	Tournament LS Vryheidsmonument Chess Open 21 Jun 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent van Zyl, M (Marno)				Opponent Mokwanyane, Z (Zentle)
3	5	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Khambule, J (Justin)				Opponent Karim, M (Muhammed)

#	Games	Start				End
1	7	Tournament HS Drie Riviere Chess Open Section 2024				Tournament Vaalpark Primary Chess Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 4	type Standard	result 1
		Opponent Howat, LC (Logan)				Opponent Chamo, M (Mpho)
2	5	Tournament LS Vryheidsmonument Chess Open 21 Jun 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent van Zyl, M (Marno)				Opponent Mokwanyane, Z (Zentle)
3	5	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Khambule, J (Justin)				Opponent Karim, M (Muhammed)

#	Games	Start				End
1	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 4	type Rapid	result 1
		Opponent Visser, R (Roelien)				Opponent Visser, R (Roelien)
2	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 1	type Rapid	result 1	date 2025-04-12	rnd 1	type Rapid	result 1
		Opponent Germeshuys, C (Chanel)				Opponent Germeshuys, C (Chanel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament LS Vryheidsmonument Chess Open 21 Jun 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent van Zyl, M (Marno)				Opponent Mokwanyane, Z (Zentle)
2	5	Tournament HS Drie Riviere Chess Open Section 2024				Tournament Vaalpark Primary Chess Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Howat, LC (Logan)				Opponent Van De Venter, Z (Zandre)
3	5	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Khambule, J (Justin)				Opponent Karim, M (Muhammed)

#	Games	Start				End
1	5	Tournament LS Vryheidsmonument Chess Open 21 Jun 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent van Zyl, M (Marno)				Opponent Mokwanyane, Z (Zentle)
2	5	Tournament HS Drie Riviere Chess Open Section 2024				Tournament Vaalpark Primary Chess Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Howat, LC (Logan)				Opponent Van De Venter, Z (Zandre)
3	5	Tournament Gauteng D7 Teams 2023				Tournament Gauteng D7 Teams 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Khambule, J (Justin)				Opponent Karim, M (Muhammed)

#	Games	Start				End
1	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 4	type Rapid	result 1
		Opponent Visser, R (Roelien)				Opponent Visser, R (Roelien)
2	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 1	type Rapid	result 1	date 2025-04-12	rnd 1	type Rapid	result 1
		Opponent Germeshuys, C (Chanel)				Opponent Germeshuys, C (Chanel)

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	Drotsky ,R (Reynhardt)	4	2	0	4	2	0	0	0	0	0	0	0
1	Drotsky ,R (Reynhardt)	4	1206.3	1206.3	4	1193.3	1206.3	0	0	0	0	0	0
2	Maseloane ,T (Tshepang)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Maseloane ,T (Tshepang)	3	1424.5	999.5	3	1434.1	999.5	0	0	0	0	0	0
3	Van Eyssen ,A (Arend)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Van Eyssen ,A (Arend)	2	1399.1	974.1	2	1425.9	974.1	0	0	0	0	0	0
4	Sacks ,F (Fyren)	2	1	0	2	1	0	0	0	0	0	0	0
4	Sacks ,F (Fyren)	2	1196.2	1196.2	2	1200.9	1196.2	0	0	0	0	0	0
5	Steyn ,M (Michelle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Steyn ,M (Michelle)	2	1240.1	1027.6	2	1250.6	1027.6	0	0	0	0	0	0
6	Mittermaier ,G (Gunther)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mittermaier ,G (Gunther)	2	1468	1043	2	1448.3	1043	0	0	0	0	0	0
7	Marimuthu ,S (Shaylen)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
7	Marimuthu ,S (Shaylen)	2	1374.1	1161.6	1	1227	1374.1	1	1327.5	949.1	0	0	0
8	Howat ,LC (Logan)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Howat ,LC (Logan)	2	1401.4	1401.4	1	1342	1826.4	1	1235.8	976.4	0	0	0
9	Visser ,R (Roelien)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Visser ,R (Roelien)	2	1181	1181	1	1178.7	756	1	1200	1606	0	0	0
10	Dlamini ,L (Lwazi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Dlamini ,L (Lwazi)	1	1202.8	1627.8	1	1187.3	1627.8	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

Kok, L (Largo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms