Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, K (Kamohelo)

Chess SA id

1150145160

FIDE id

Date of birth

2015-09-13 (U12)

Gender

Male

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1271	1303.3	1153.5	1200
Raw rating	1270.1	1302.3	1153.5	1200
Weighted rating	1271	1303.3	1151.1	1200
Weighted performance	1107.1	1149.4	0	0
Floor	798.7	828.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	150	143.3	177.2	165.8
Highest rating	1298.7 2024-09-01	1328.6 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1298.7 2024-09-01	1328.6 2024-09-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1270.1 2025-08-01	1302.3 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1293.8 2024-09-01	1324.8 2024-08-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.3	0.3	0	0
New rating	1271.3	1303.6	1153.5	1200
Analysis
Rating	1271	1303.3	1153.5	1200
Raw rating	1270.1	1302.3	1153.5	1200
Weighted rating	1271	1303.3	1151.1
Weighted performance	1107.1	1149.4	0
K-factor	36	36	36	36
Floor	798.7	828.6	700	700
Max/Min rating change allowed	150	143.3	177.2	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	1270.1	1302.3	1153.5	1200
New weighted rating	1271.3	1303.6	1151	1200
New weighted performance	1106.7	1149	0	0
Temp new rating	1271.3	1303.6	1153.5	1200
Temp new rating +/-	0.3	0.3	0	0
Final new rating +/-	0.3	0.3	0	0
New rating	1271.3	1303.6	1153.5	1200
New K-factor	36	36	36	36
New floor	798.7	828.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	24	20	4
	35	30	5
	14	14	0
	0	0	0
History	83	69	14

Games since
	Main 34	Standard 25		Rapid 9		Blitz 0
Gender	Male
Age group	U12
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	10	3	30	-170	1329.4	1159.4
Standard	5	2	40	-85	1296.6	1211.6
Rapid	5	1	20	-255	1362.2	1107.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	38	45.78	-35.8	1238.4	1202.6
Standard	69	34	49.28	-6.2	1229.8	1223.6
Rapid	14	4	28.57	-182.1	1281	1098.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1270.1	1302.3	1153.5	1200
2025-09-01	1270.1	1302.3	1153.5	1200
2025-08-01	1270.1	1302.3	1153.5	1200
2025-07-01	1269.6	1301.7	1153.5	1200
2025-06-01	1268.2	1300.2	1153.5	1200
2025-05-01	1270.2	1311.3	1153.5	1200
2025-04-01	1270.2	1311.3	1153.5	1200
2025-03-01	1270.2	1311.3	1151.1	1200
2025-02-01	1290.5	1311.3	1154.8	1200
2025-01-01	1290.5	1311.3	1142.8	1200
2024-12-01	1290.5	1311.3	1142.8	1200
2024-11-01	1290.5	1311.3	1142.8	1200
2024-10-01	1290.5	1311.3	1142.8	1200
2024-09-01	1298.7	1328.6	1142.8	1200
2024-08-01	1239.9	1283.2	1142.8	1200
2024-07-01	1239.9	1283.2	1142.8	1200
2024-06-01	1239.9	1283.2	1142.8	1200
2024-08-01	1239.9	1283.2	1142.8	1200
2024-04-01	1239.9	1283.2	1142.8	1200
2024-03-01	1255	1282.1	1181.6	1200
2024-02-01	1255	1282.1	1181.6	1200
2024-01-01	1255	1282.1	1181.6	1200
2023-12-01	1255	1282.1	1181.6	1200
2023-11-01	1255	1282.1	1181.6	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 FB Schools Open 5.0 2025 (U9-U13)	2025-08-16	2025-08-16	Standard	Frances Baard (NCF)	5	0	0	No	Analysis
2	Spartan Bishops Championships Maidens 2025 (U12)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
3	Kimberley Chess Challenge 2025	2025-02-22	2025-02-22	Rapid	Frances Baard (NCF)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 FB Schools Open 5.0 2025 (U9-U13)	2025-08-16	2025-08-16	Standard	Frances Baard (NCF)	5	0	0	No	Analysis
2	Spartan Bishops Championships Maidens 2025 (U12)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
3	Kimberley Chess Challenge 2025	2025-02-22	2025-02-22	Rapid	Frances Baard (NCF)	5	5	1	Yes	Analysis
4	2024 Moja Chess Extravaganza (C)	2024-09-25	2024-09-26	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
5	2024 NC Closed Chess Championships (U10)	2024-08-23	2024-08-25	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
6	Womens Day Tournament 024 (B)	2024-08-09	2024-08-09	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
7	2024 FB Schools Open 3.0 (U9+U11)	2024-03-16	2024-03-16	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
8	2024 Frances Baard Schools Teams (Primary School)	2024-03-02	2024-03-02	Rapid	Frances Baard (NCF)	5	4	1	Yes	Analysis
9	Frances Baard Schools Open III 2023 (U9)	2023-08-05	2023-08-05	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
10	2023 Northern Cape Closed Chess Championships (U8+U10 Open)	2023-08-25	2023-08-27	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
11	Galeshewe 2 2023 (Juniors)	2023-06-03	2023-06-03	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
12	Mayibuye Tournament 2023 (Juniors)	2023-05-13	2023-05-13	Rapid	Frances Baard (NCF)	5	5	2	Yes	Analysis
13	Galeshewe Open Tournament 2023 (B)	2023-04-29	2023-04-29	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
14	Frances Baard School Open II 2023 (U9)	2023-03-18	2023-03-18	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
15	Frances Baard Schools Individuals 2023 (U11)	2023-02-18	2023-02-18	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
16	Frances Baard Trials 2022 (U8-U12)	2022-10-01	2022-10-01	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
17	FB Open Development Tournament 2022 (A)	2022-09-17	2022-09-17	Standard	Frances Baard (NCF)	5	5	0	Yes	Analysis
18	Kimberley Chess Club Development Tournament 2022 (A)	2022-08-20	2022-08-20	Standard	Frances Baard (NCF)	5	4	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Galeshewe 2 2023				Tournament Frances Baard Schools Open III 2023
		date 2023-06-03	rnd 3	type Standard	result 0.5	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Mereekopane, R (Reabetswe)				Opponent Oliphant, A (Azania)
2	3	Tournament 2024 NC Closed Chess Championships				Tournament 2024 NC Closed Chess Championships
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-08-25	rnd 5	type Standard	result 1
		Opponent Van Pletzen, C (Carel Jacobus)				Opponent Vermeulen, JB (Johannes Bernardus)
3	3	Tournament Womens Day Tournament 024				Tournament Womens Day Tournament 024
		date 2024-08-09	rnd 2	type Standard	result 1	date 2024-08-09	rnd 4	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	6	Tournament Galeshewe 2 2023				Tournament Frances Baard Schools Open III 2023
		date 2023-06-03	rnd 3	type Standard	result 0.5	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Mereekopane, R (Reabetswe)				Opponent Oliphant, A (Azania)
2	3	Tournament 2024 NC Closed Chess Championships				Tournament 2024 NC Closed Chess Championships
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-08-25	rnd 5	type Standard	result 1
		Opponent Van Pletzen, C (Carel Jacobus)				Opponent Vermeulen, JB (Johannes Bernardus)
3	3	Tournament Womens Day Tournament 024				Tournament Womens Day Tournament 024
		date 2024-08-09	rnd 2	type Standard	result 1	date 2024-08-09	rnd 4	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	2	Tournament Mayibuye Tournament 2023				Tournament Mayibuye Tournament 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 2	type Rapid	result 1
		Opponent Jafta, O (Oratile)				Opponent Louw, B (Boitumelo)
2	1	Tournament Kimberley Chess Challenge 2025				Tournament Kimberley Chess Challenge 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Motsamai, L (Lethabo)				Opponent Motsamai, L (Lethabo)
3	1	Tournament 2024 Frances Baard Schools Teams				Tournament 2024 Frances Baard Schools Teams
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Mabaso, A (Angus)				Opponent Mabaso, A (Angus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Galeshewe 2 2023				Tournament Frances Baard Schools Open III 2023
		date 2023-06-03	rnd 5	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Oliphant, A (Azania)
2	3	Tournament 2024 NC Closed Chess Championships				Tournament 2024 NC Closed Chess Championships
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-08-25	rnd 5	type Standard	result 1
		Opponent Van Pletzen, C (Carel Jacobus)				Opponent Vermeulen, JB (Johannes Bernardus)
3	3	Tournament Womens Day Tournament 024				Tournament Womens Day Tournament 024
		date 2024-08-09	rnd 2	type Standard	result 1	date 2024-08-09	rnd 4	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	4	Tournament Galeshewe 2 2023				Tournament Frances Baard Schools Open III 2023
		date 2023-06-03	rnd 5	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Oliphant, A (Azania)
2	3	Tournament 2024 NC Closed Chess Championships				Tournament 2024 NC Closed Chess Championships
		date 2024-08-24	rnd 3	type Standard	result 1	date 2024-08-25	rnd 5	type Standard	result 1
		Opponent Van Pletzen, C (Carel Jacobus)				Opponent Vermeulen, JB (Johannes Bernardus)
3	3	Tournament Womens Day Tournament 024				Tournament Womens Day Tournament 024
		date 2024-08-09	rnd 2	type Standard	result 1	date 2024-08-09	rnd 4	type Standard	result 1
		Opponent Cidraas, O (Omphemetse)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	2	Tournament Mayibuye Tournament 2023				Tournament Mayibuye Tournament 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 2	type Rapid	result 1
		Opponent Jafta, O (Oratile)				Opponent Louw, B (Boitumelo)
2	1	Tournament Kimberley Chess Challenge 2025				Tournament Kimberley Chess Challenge 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Motsamai, L (Lethabo)				Opponent Motsamai, L (Lethabo)
3	1	Tournament 2024 Frances Baard Schools Teams				Tournament 2024 Frances Baard Schools Teams
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Mabaso, A (Angus)				Opponent Mabaso, A (Angus)

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	Cidraas ,O (Omphemetse)	7	6	303.6	6	6	425	1	0	-425	0	0	0
1	Cidraas ,O (Omphemetse)	7	1115.8	1419.4	6	1102.6	1540.8	1	1200	690.8	0	0	0
2	Mombathi ,G (Gomotsegang)	7	0.5	-364.3	6	0.5	-354.2	1	0	-425	0	0	0
2	Mombathi ,G (Gomotsegang)	7	1270.8	906.5	6	1285	916.6	1	1200	845.8	0	0	0
3	Mokoena ,N (Naledientle)	4	2	0	4	2	0	0	0	0	0	0	0
3	Mokoena ,N (Naledientle)	4	1254.7	1254.7	4	1255.7	1254.7	0	0	0	0	0	0
4	Ahjum ,AXE (Annabelle)	4	0	-425	3	0	-425	1	0	-425	0	0	0
4	Ahjum ,AXE (Annabelle)	4	1325.3	900.3	3	1317.5	900.3	1	1160	900.3	0	0	0
5	Jafta ,O (Oratile)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
5	Jafta ,O (Oratile)	3	1217	1075.3	2	1229.1	792	1	1200	1642	0	0	0
6	Van Heerden ,B (Benja)	2	2	425	2	2	425	0	0	0	0	0	0
6	Van Heerden ,B (Benja)	2	1230.2	1655.2	2	1235.6	1655.2	0	0	0	0	0	0
7	May ,K (Kieran Taine)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	May ,K (Kieran Taine)	2	1087.8	662.8	2	1103.8	662.8	0	0	0	0	0	0
8	Modise ,O (Onthatile)	2	2	425	2	2	425	0	0	0	0	0	0
8	Modise ,O (Onthatile)	2	1173.1	1598.1	2	1167.9	1598.1	0	0	0	0	0	0
9	Vermeulen ,JB (Johannes Bernardus)	2	1	0	2	1	0	0	0	0	0	0	0
9	Vermeulen ,JB (Johannes Bernardus)	2	1276.7	1276.7	2	1274.7	1276.7	0	0	0	0	0	0
10	Mathamela ,G (Golaotswe)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Mathamela ,G (Golaotswe)	2	1172.4	747.4	1	1143.9	747.4	1	1200	747.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jacobs, K (Kamohelo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms