Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bowman, L (Lian)

Chess SA id

1120193621

FIDE id

Date of birth

2012-03-19 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1311.4

Item	Main	Standard	Rapid	Blitz
Rating	1478.8	1415.2	1449.6	1200
Raw rating	1460.1	1415.2	1449.6	1200
Weighted rating	1347.6	1304.9	1352.7	1200
Weighted performance	1478.8	1393.9	1389.6	0
Floor	960.1	915.2	949.6	700
K-factor	32	32	32	36
Min/Max rating change allowed	114.5	122	116.2	165.8
Highest rating	1529.3 2024-02-01	1515.6 2024-02-01	1517.1 2024-03-01	1200 2024-02-01
Highest raw rating	1460.1 2025-09-01	1415.2 2025-09-01	1449.6 2025-09-01	1200 2024-02-01
Highest weighted rating	1383.9 2024-10-01	1342.5 2024-10-01	1369.5 2024-10-01	1200 2024-02-01
Highest weighted performance	1529.3 2024-02-01	1515.6 2024-02-01	1517.1 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1478.2	1415.2	1449.6	1200
Analysis
Rating	1478.8	1415.2	1449.6	1200
Raw rating	1460.1	1415.2	1449.6	1200
Weighted rating	1347.6	1304.9	1352.7
Weighted performance	1478.8	1393.9	1389.6
K-factor	32	32	32	36
Floor	960.1	915.2	949.6	700
Max/Min rating change allowed	114.5	122	116.2	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	1460.1	1415.2	1449.6	1200
New weighted rating	1359.3	1316	1363.5	1200
New weighted performance	1478.2	1393.4	1389.1	0
Temp new rating	1478.2	1415.2	1449.6	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1478.2	1415.2	1449.6	1200
New K-factor	32	32	32	36
New floor	960.1	915.2	949.6	700

Item	Main	Standard	Rapid
	0	0	0
	53	41	12
	45	11	34
	0	0	0
	0	0	0
	0	0	0
History	98	52	46

Games since
	Main 98	Standard 52		Rapid 46		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1425		432		219
Male	1214		358		184
U14	208		68		30
U14 Male	166		51		25
Standard
	RSA		Province		Region
Overall	1902		517		242
Male	1564		400		191
U14	309		95		41
U14 Male	229		63		27
Rapid
	RSA		Province		Region
Overall	338		164		85
Male	308		148		81
U14	56		32		15
U14 Male	48		27		14
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	53	33.5	63.21	112.3	1335.8	1448
Standard	41	24	58.54	72.6	1333	1405.6
Rapid	12	9.5	79.17	247.9	1345.1	1593
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	98	60.5	61.73	99.7	1317.6	1417.4
Standard	52	30.5	58.65	73.6	1322.1	1395.7
Rapid	46	30	65.22	129.3	1312.5	1441.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1460.1	1415.2	1449.6	1200
2025-09-01	1460.1	1415.2	1449.6	1200
2025-08-01	1355.4	1342.5	1369.5	1200
2025-07-01	1355.4	1342.5	1369.5	1200
2025-06-01	1355.4	1342.5	1369.5	1200
2025-05-01	1322.5	1299.9	1369.5	1200
2025-04-01	1322.5	1299.9	1369.5	1200
2025-03-01	1383.9	1320.8	1369.5	1200
2025-02-01	1326.8	1251.8	1330.3	1200
2025-01-01	1326.8	1251.8	1330.3	1200
2024-12-01	1326.8	1251.8	1330.3	1200
2024-11-01	1326.8	1251.8	1330.3	1200
2024-10-01	1331.3	1251.8	1336.8	1200
2024-09-01	1311.4	1251.8	1297.6	1200
2024-08-01	1311.4	1251.8	1297.6	1200
2024-07-01	1307.9	1251.8	1309.8	1200
2024-06-01	1307.9	1251.8	1309.8	1200
2024-08-01	1291.4	1251.8	1286.8	1200
2024-04-01	1291.4	1251.8	1286.8	1200
2024-03-01	1262.7	1272	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	5.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
8	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
9	CT Metro North Schools Chess Individual Trials 2025 (U13 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	5.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
8	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
9	CT Metro North Schools Chess Individual Trials 2025 (U13 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	Laerskool Welgemoed Rapid 2024 (U14)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
11	CBC Rapid Chess Tournament 2024 (U12)	2024-09-14	2024-09-14	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
12	CT District North Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
13	PNPS Chess Challengers 2024 (U13)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
14	Steinitz Chess Festival 2024 (U14)	2024-05-11	2024-05-11	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
15	Cape Town Open Rapid Chess Championship 2024 (U12)	2024-03-16	2024-03-16	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
16	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
17	North District School Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament Cape Town Metro North Top Schools 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent He, Z (Zonghan)				Opponent Wang, Z (Zi Ang)
2	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent De Ridder, B (Bernard)				Opponent Jantjies, L (Luyanda)
3	5	Tournament CBC Rapid Chess Tournament 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Hassan, M (Muhammad Siddiq)				Opponent Harvey, G (Griffin)

#	Games	Start				End
1	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-01	rnd 1	type Standard	result 1
		Opponent De Ridder, B (Bernard)				Opponent Jantjies, L (Luyanda)
2	4	Tournament Cape of Good Hope Open 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-23	rnd 4	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Madamombe, L (Liam)
3	3	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent He, Z (Zonghan)				Opponent Somai, J (Jhash)

#	Games	Start				End
1	7	Tournament Laerskool Welgemoed Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-02-15	rnd 6	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Coetzee, E (Emma)				Opponent Wang, Z (Zi Ang)
2	5	Tournament CBC Rapid Chess Tournament 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Hassan, M (Muhammad Siddiq)				Opponent Harvey, G (Griffin)
3	5	Tournament PNPS Chess Challengers 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 5	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 0.5
		Opponent Harries, D (Dean)				Opponent Musakwa, C (Cole)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Cape Town Metro North Top Schools 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent He, Z (Zonghan)				Opponent Waldeck, A (Aaron)
2	4	Tournament Cape of Good Hope Open 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-23	rnd 4	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Madamombe, L (Liam)
3	4	Tournament PNPS Chess Challengers 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 5	type Rapid	result 1	date 2024-07-27	rnd 2	type Rapid	result 1
		Opponent Harries, D (Dean)				Opponent Naude, L (Lian)

#	Games	Start				End
1	4	Tournament Cape of Good Hope Open 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-23	rnd 4	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Madamombe, L (Liam)
2	3	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent He, Z (Zonghan)				Opponent Somai, J (Jhash)
3	3	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Baard, R (Riedewaan)				Opponent Hastig, M (Mikhulu)

#	Games	Start				End
1	5	Tournament Laerskool Welgemoed Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-02-15	rnd 6	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Coetzee, E (Emma)				Opponent Waldeck, A (Aaron)
2	4	Tournament PNPS Chess Challengers 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 5	type Rapid	result 1	date 2024-07-27	rnd 2	type Rapid	result 1
		Opponent Harries, D (Dean)				Opponent Naude, L (Lian)
3	3	Tournament CBC Rapid Chess Tournament 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 3	type Rapid	result 1
		Opponent Hassan, M (Muhammad Siddiq)				Opponent Potgieter, K (Kristian)

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	Bessesen ,J (Joakim)	3	1	-141.7	1	0.5	0	2	0.5	-212.5	0	0	0
1	Bessesen ,J (Joakim)	3	1450.9	1309.3	1	1434.8	1450.9	2	1433.9	1238.4	0	0	0
2	Kotliar ,B (Beatrisa)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
2	Kotliar ,B (Beatrisa)	3	1240.3	1382	0	0	0	3	1320.6	1382	0	0	0
3	Srivastava ,P (Prakhar)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
3	Srivastava ,P (Prakhar)	3	1435.5	1577.2	0	0	0	3	1373.1	1577.2	0	0	0
4	Mtati ,W (Wazo)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mtati ,W (Wazo)	2	1423.1	1423.1	2	1393.6	1423.1	0	0	0	0	0	0
5	Shasha ,I (Iyanda)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Shasha ,I (Iyanda)	2	1380.2	1167.7	2	1351.3	1167.7	0	0	0	0	0	0
6	Waldeck ,A (Aaron)	2	2	425	1	1	425	1	1	425	0	0	0
6	Waldeck ,A (Aaron)	2	1323.1	1748.1	1	1276.6	1748.1	1	1395.1	1748.1	0	0	0
7	Jansen ,R (Riley)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
7	Jansen ,R (Riley)	2	1246.7	1034.2	1	1189.9	1246.7	1	1262.4	821.7	0	0	0
8	He ,Z (Zonghan)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
8	He ,Z (Zonghan)	2	1280.9	1493.4	1	1274.8	1705.9	1	1212.7	1280.9	0	0	0
9	Van Schalkwyk ,C (Cameron)	2	2	425	1	1	425	1	1	425	0	0	0
9	Van Schalkwyk ,C (Cameron)	2	1193.4	1618.4	1	1200	1618.4	1	1198.1	1618.4	0	0	0
10	Makhamba ,Z (Zenande)	1	1	425	1	1	425	0	0	0	0	0	0
10	Makhamba ,Z (Zenande)	1	1200	1625	1	1200	1625	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

Bowman, L (Lian)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms