CHESS SA Ratings Database

Player tournament rating analysis

Player

De Abreu, RN (Roberto)

[196006193] from Johannesburg Metro (GJM)
1902

Rating

Rapid

+14.7

Rating change

K = 30

1935

Performance

 

Yes

Count for rating

OK

Analysis

TournamentHostTypeRndsStartRatingGmsScr%DpAORPRatKWeSWeRpmPRpmTRpmCFRReason
2017 PSS Prestige (Rapid) 10 2017/04/22 1902 9 5.0 60.0 72 1863.2 1935 30 4.51 0.49 14.7 0.0 14.7 OK

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/04/22 Makoto, R (Rodwell) 2283 IM 0 0.09 -0.09 30 -2.7 OK
2 2017/04/22 Frick, D (Denise) 1780 WIM 1 0.67 0.33 30 9.9 OK
3 2017/04/22 Klaver, C (Cornelis) 2102 NM 0 0.24 -0.24 30 -7.2 OK
4 2017/04/22 Peretz, L (Leon) 1746 1 0.71 0.29 30 8.7 OK
5 2017/04/22 Levy, D (Darren) 1776U 1 0.67 0.33 30 9.9 Unrated opp excluded
6 2017/04/22 Pon, M (Matt) 2044 FM 0 0.31 -0.31 30 -9.3 OK
7 2017/04/22 Manan, YH (Yoboue Hermann) 2124 0 0.22 -0.22 30 -6.6 OK
8 2017/04/23 Tembo, E (Epah) 1670 1 0.79 0.21 30 6.3 OK
9 2017/04/23 Van Zyl-Rudd, J (Jack) 1510* FM 1 0.92 0.08 30 2.4 OK
10 2017/04/23 Khumalo, KB (Keith) 1857 1 0.56 0.44 30 13.2 OK