Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, R (Rico)

Chess SA id

1100117077

FIDE id

Date of birth

2010-01-07 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1136.5	1133.2	1127.6	1200
Raw rating	1136.5	1133.2	1127.6	1200
Weighted rating	1136.5	1133.2	1127.6	1200
Weighted performance	766.2	760.5	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.5	182.4	183.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1136.5	1133.2	1127.6	1200
Analysis
Rating	1136.5	1133.2	1127.6	1200
Raw rating	1136.5	1133.2	1127.6	1200
Weighted rating	1136.5	1133.2	1127.6
Weighted performance	766.2	760.5	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.5	182.4	183.8	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	1136.5	1133.2	1127.6	1200
New weighted rating	1136.5	1133.2	1127.6	1200
New weighted performance	765.8	760.1	0	0
Temp new rating	1136.5	1133.2	1127.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1136.5	1133.2	1127.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	33	20	13
	4	4	0
History	61	48	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	61	24	39.34	-90.6	1157.5	1066.9
Standard	48	19	39.58	-88.5	1152.6	1064.1
Rapid	13	5	38.46	-98.1	1175.2	1077.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1136.5	1133.2	1127.6	1200
2025-09-01	1136.5	1133.2	1127.6	1200
2025-08-01	1136.5	1133.2	1127.6	1200
2025-07-01	1136.5	1133.2	1127.6	1200
2025-06-01	1136.5	1133.2	1127.6	1200
2025-05-01	1136.5	1133.2	1127.6	1200
2025-04-01	1136.5	1133.2	1127.6	1200
2025-03-01	1136.5	1133.2	1127.6	1200
2025-02-01	1136.5	1133.2	1127.6	1200
2025-01-01	1136.5	1133.2	1127.6	1200
2024-12-01	1136.5	1133.2	1127.6	1200
2024-11-01	1136.5	1133.2	1127.6	1200
2024-10-01	1136.5	1133.2	1127.6	1200
2024-09-01	1136.5	1133.2	1127.6	1200
2024-08-01	1136.5	1133.2	1127.6	1200
2024-07-01	1136.5	1133.2	1127.6	1200
2024-06-01	1136.5	1133.2	1127.6	1200
2024-08-01	1136.5	1133.2	1127.6	1200
2024-04-01	1136.5	1133.2	1127.6	1200
2024-03-01	1136.5	1133.2	1127.6	1200
2024-02-01	1136.5	1133.2	1127.6	1200
2024-01-01	1136.5	1133.2	1127.6	1200
2023-12-01	1136.5	1133.2	1127.6	1200
2023-11-01	1136.5	1133.2	1127.6	1200

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	2023 Tshwane South School District CLOSED Individual Championships (U13 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2023 Milos Ristic Open Tournament (D1)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2022 Mid Gauteng Open (D)	2022-05-07	2022-05-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2022 Silver Lakes Chess Club Open Chess Tournament (D)	2022-05-14	2022-05-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	RMS Swiss For Rating of Players 2022 (U13)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	3	Yes	Analysis
6	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	2	Yes	Analysis
7	2022 Chris Greyling Open (D)	2022-03-12	2022-03-12	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	CP Ope 2022 (D1)	2022-02-19	2022-02-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	2021 Gauteng North Open Tournament (D)	2021-08-28	2021-08-29	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
10	2020 Waterkloof Open (D)	2020-02-29	2020-03-01	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	2019 Menlo Open (E)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-27	rnd 2	type Standard	result 0.5
		Opponent Smith, H (Henco)				Opponent Karsten, CB (Chay Belle)
2	3	Tournament CP Ope 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, KE (Kara)				Opponent Le Roux, J (Johannes)
3	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 4	type Standard	result 1	date 2023-04-27	rnd 5	type Standard	result 0.5
		Opponent Du Randt, L (Lea)				Opponent Rambritch, R (Rishik)

#	Games	Start				End
1	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-27	rnd 2	type Standard	result 0.5
		Opponent Smith, H (Henco)				Opponent Karsten, CB (Chay Belle)
2	3	Tournament 2022 Chris Greyling Open				Tournament 2022 Mid Gauteng Open
		date 2022-03-12	rnd 5	type Standard	result 0.5	date 2022-05-07	rnd 2	type Standard	result 1
		Opponent Seokola, O (Onkarabile)				Opponent Adamson, A (Amani)
3	3	Tournament CP Ope 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, KE (Kara)				Opponent Le Roux, J (Johannes)

#	Games	Start				End
1	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Seltzer, D (Daniel)				Opponent Seltzer, D (Daniel)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Mchaffie, S (Seth)				Opponent Mchaffie, S (Seth)
3	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 1	type Rapid	result 1
		Opponent Nieuwoudt, E (Ewald)				Opponent Nieuwoudt, E (Ewald)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CP Ope 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, KE (Kara)				Opponent Le Roux, J (Johannes)
2	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-27	rnd 1	type Standard	result 1
		Opponent Smith, H (Henco)				Opponent Van Der Merwe, ZC (Zander Christiaan)
3	2	Tournament 2022 Silver Lakes Chess Club Open Chess Tournament				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-14	rnd 5	type Standard	result 1	date 2022-05-28	rnd 1	type Rapid	result 1
		Opponent Snyman, J (Jacques)				Opponent Nieuwoudt, E (Ewald)

#	Games	Start				End
1	3	Tournament CP Ope 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 4	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, KE (Kara)				Opponent Le Roux, J (Johannes)
2	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-27	rnd 1	type Standard	result 1
		Opponent Smith, H (Henco)				Opponent Van Der Merwe, ZC (Zander Christiaan)
3	2	Tournament 2022 Mid Gauteng Open				Tournament 2022 Mid Gauteng Open
		date 2022-05-07	rnd 1	type Standard	result 1	date 2022-05-07	rnd 2	type Standard	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Adamson, A (Amani)

#	Games	Start				End
1	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Seltzer, D (Daniel)				Opponent Seltzer, D (Daniel)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Mchaffie, S (Seth)				Opponent Mchaffie, S (Seth)
3	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 1	type Rapid	result 1
		Opponent Nieuwoudt, E (Ewald)				Opponent Nieuwoudt, E (Ewald)

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	Oosthuizen ,L (Ludrick)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Oosthuizen ,L (Ludrick)	3	1142.8	717.8	3	1127.7	717.8	0	0	0	0	0	0
2	Le Roux ,J (Johannes)	2	1	0	2	1	0	0	0	0	0	0	0
2	Le Roux ,J (Johannes)	2	1313.4	1313.4	2	1328	1313.4	0	0	0	0	0	0
3	Karsten ,CB (Chay Belle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Karsten ,CB (Chay Belle)	2	1129.4	916.9	2	1119	916.9	0	0	0	0	0	0
4	Adamson ,A (Amani)	2	1	0	2	1	0	0	0	0	0	0	0
4	Adamson ,A (Amani)	2	1147.1	1147.1	2	1138.3	1147.1	0	0	0	0	0	0
5	Byliefeldt ,M (Mienke)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Byliefeldt ,M (Mienke)	1	929.3	504.3	1	917.2	504.3	0	0	0	0	0	0
6	Van Der Merwe ,ZC (Zander Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Merwe ,ZC (Zander Christiaan)	1	1395.4	1820.4	1	1395.7	1820.4	0	0	0	0	0	0
7	Kruger ,N (Neeke)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kruger ,N (Neeke)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Ndubane ,D (Dumsane)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ndubane ,D (Dumsane)	1	793.8	368.8	1	793.8	368.8	0	0	0	0	0	0
9	Page ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Page ,L (Liam)	1	1093.6	668.6	1	1106.4	668.6	0	0	0	0	0	0
10	Van Niekerk ,E (Elzebe)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Niekerk ,E (Elzebe)	1	1078.4	1503.4	1	1056	1503.4	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

Jacobs, R (Rico)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms