Chess South Africa Ratings Database

PLAYER TOURNAMENT ANALYSIS

Tournament analysis

Jacobs, CN (Calvin Nicholas)

Chess SA id

109086379

FIDE id

?

Date of birth

2009-09-22 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

131.3

Junior GPX Points

1828.1

TOURNAMENT
Tournament ID	20251980
Group ID	20251967
Tournament	South African Open 2025 (Championship)
Format	Individual Swiss
Rating type	Standard
Start	2025-06-28
End	2025-07-05
Rated	2025-07-06
Host	Johannesburg Metro (GJM)
Total time	120
Time weight	1
Official results	Official results
Tournament games	11
Tournament score	6.5
Final position	9
Shared position	8
Count for rating	Yes (OK)

Analysis

Type	Rating	Games	Score	%	Dp	Aor	Prat	We	SWe	1	=	0	+F	=F	Bye	=Bye	X
Main	1963.2	11	6.5	59.1	77.3	2096.7	2173.9	3.83	2.67	5	3	3	0	0	0	0	0
Standard	1971.2	11	6.5	59.1	77.3	2106.9	2184.2	3.8	2.7	5	3	3	0	0	0	0	0

Opponents

Rnd	Date	Opponent	Title	Reg	Fed	Main	Type	Col	Res	MWe	MSWe	TWe	TSWe
1	2025-06-28	Oatlhotse, P (Providence)	IM	GJM	BOT	2226.9	2263.3	W	0	0.23	-0.23	0.2	-0.2
2	2025-06-28	Buba, V (Vukile)		FLW	RSA	1826.6	1809.1	B	1	0.62	0.38	0.65	0.35
3	2025-06-29	Smit, D (Devon)	RM	GTP	RSA	2048.6	2050.2	W	1	0.44	0.56	0.45	0.55
4	2025-06-29	Mahlangu, S (Sello)	CM	LMG	RSA	2071.1	2087.3	B	0	0.33	-0.33	0.32	-0.32
5	2025-06-30	Felix, R (Raphael)	CM	NBR	IND	2085.7	2102.1	B	1	0.32	0.68	0.31	0.69
6	2025-07-01	Palmer, RN (Reegan)	CM	WCT	RSA	2035.4	2040.1	W	0.5	0.46	0.04	0.46	0.04
7	2025-07-02	Van Zyl-Rudd, J (Jack)	FM	ENM	RSA	2317.8	2325.3	B	1	0.05	0.95	0.05	0.95
8	2025-07-03	Peter, NM (Neathan Mninawa)	CM	ENM	RSA	1964.8	1970.3	W	1	0.54	0.46	0.54	0.46
9	2025-07-04	Beukes, DM (Dante)	IM	CSA	NAM	2169	2162.1	W	0.5	0.3	0.2	0.32	0.18
10	2025-07-04	Simpson, M (Michael)	IM	NBR	RSA	2190.1	2214.8	B	0	0.19	-0.19	0.17	-0.17
11	2025-07-05	Hercules, BV (Benjamin Vincent)	CM	GJM	RSA	2127.2	2151.2	W	0.5	0.35	0.15	0.33	0.17