Rating history of Costin Varlan

Rating Graph

Changes on 31/05/2026:

Old rank: ???(????)
New rank: 10kyu(-996)
Games:
Martin Laurent(-976): Tournament(*1.2) handicap=0(*1.00) strengthdiff= 26 adjusteddiff= 26 Strength=-950=>Afactor= 150 Con= 65 Result(Expected=0.530,Achieved=0.0,Gain=-0.530) ratingdelta=-41.3
Frederik Maho(-1550): Tournament(*1.2) handicap=-3(*0.56) strengthdiff= 600 adjusteddiff= 350 Strength=-950=>Afactor= 150 Con= 65 Result(Expected=0.898,Achieved=1.0,Gain=0.102) ratingdelta= 4.5
DAODUYKHANH(-950): Tournament(*1.2) handicap=0(*1.00) strengthdiff= 0 adjusteddiff= 0 Strength=-950=>Afactor= 150 Con= 65 Result(Expected=0.486,Achieved=0.0,Gain=-0.486) ratingdelta=-37.9
GANEEVAGULYA(-950): Tournament(*1.2) handicap=0(*1.00) strengthdiff= 0 adjusteddiff= 0 Strength=-950=>Afactor= 150 Con= 65 Result(Expected=0.486,Achieved=1.0,Gain=0.514) ratingdelta= 40.1
Joachim Verhelst(-676): Tournament(*1.2) handicap=0(*1.00) strengthdiff=-274 adjusteddiff=-274 Strength=-950=>Afactor= 150 Con= 65 Result(Expected=0.139,Achieved=0.0,Gain=-0.139) ratingdelta=-10.8

Changes on 22/09/2026:

Old rank: 10kyu(-996)
New rank: 10kyu(-1008)
Games:
Kenny Debacq(-349): Tournament(*1.2) handicap=6(*0.45) strengthdiff=-646 adjusteddiff= -96 Strength=-996=>Afactor= 152 Con= 67 Result(Expected=0.347,Achieved=0.0,Gain=-0.347) ratingdelta=-12.6

Changes on 25/10/2026:

Old rank: 10kyu(-1008)
New rank: 10kyu(-1023)
Games:
Dominique Pacucci(-1163): Tournament(*1.2) handicap=0(*1.00) strengthdiff= 155 adjusteddiff= 155 Strength=-1008=>Afactor= 153 Con= 68 Result(Expected=0.720,Achieved=0.0,Gain=-0.720) ratingdelta=-58.7
EFFRAYDEBORAH(-1650): Tournament(*1.2) handicap=-4(*0.42) strengthdiff= 642 adjusteddiff= 292 Strength=-1008=>Afactor= 153 Con= 68 Result(Expected=0.857,Achieved=0.0,Gain=-0.857) ratingdelta=-29.5
Benoit Vanschoebeke(-1104): Tournament(*1.2) handicap=0(*1.00) strengthdiff= 95 adjusteddiff= 95 Strength=-1008=>Afactor= 153 Con= 68 Result(Expected=0.637,Achieved=1.0,Gain=0.363) ratingdelta= 29.6
GAVIGANGERRY(-750): Tournament(*1.2) handicap=0(*1.00) strengthdiff=-258 adjusteddiff=-258 Strength=-1008=>Afactor= 153 Con= 68 Result(Expected=0.156,Achieved=1.0,Gain=0.844) ratingdelta= 68.8
Ghislaine Weissgerber(-882): Tournament(*1.2) handicap=0(*1.00) strengthdiff=-126 adjusteddiff=-126 Strength=-1008=>Afactor= 153 Con= 68 Result(Expected=0.305,Achieved=0.0,Gain=-0.305) ratingdelta=-24.9