Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Ruan Bosman

1130335678
Tshwane (GTP)

Tournament details

Tour Id	20262884
Group Id	20262881
Name	2026 Etienne Lewis
Section	U14
Rounds	7
Format	Swiss
Type	Standard
Start	2026-08-08
End	2026-08-10
Submitted	2026-08-16
Rated	2026-08-16
Submit age weight	1
Host	Tshwane (GTP)
Total time	90
Time weight	0.938
Official results	Official results

General

Games	5
Score	4.5
Percent	90
Dp	340
Aor	1330.6
Perform	1670.6
Penalties	0
Wins	4
Draws	1
Losses	0
White	3
Black	2
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	42
Final Pos	19
Share Pos	16
Count for rating	Yes

Analysis (Main)

Rating	1453.4
K-factor	32
Score	4.5
Expected score	2.43
Score - Expected score	2.07
Rating +/-	62

Analysis (Type)

Rating	1462.4
K-factor	32
Score	4.5
Expected score	2.52
Score - Expected score	1.98
Rating +/-	63.5

Opponents

Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	Main			Type			Cfr
Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	We	Swe	+/-	We	Swe	+/-	Cfr
1	2026-08-08				0	0	X	-1	0	0	0	0	0	0	No (Did not play)
2	2026-08-08				0	0	X	-1	0	0	0	0	0	0	No (Did not play)
3	2026-08-08	Schutze, M (Marnu)	GTP		1070.2	1060.9	W	1	0.81	0.19	5.7	0.83	0.17	5.3	Yes
4	2026-08-09	Viljoen, T (Tyron)	GTP		1157.1	1149.4	B	1	0.56	0.44	13.2	0.57	0.43	13.6	Yes
5	2026-08-09	Bosman, L (Lukas)	GTP		1546.3	1546.3	W	0.5	0.41	0.09	2.7	0.42	0.08	2.5	Yes
6	2026-08-09	Van Wyk, W (Wouter)	GTP		1372.9	1367.7	B	1	0.38	0.62	18.7	0.4	0.6	19.3	Yes
7	2026-08-10	Janse Van Rensburg, J (Josh)	GTP		1521.2	1501.6	W	1	0.28	0.72	21.7	0.29	0.71	22.7	Yes