Rating Change Calculator

Based on the official Israeli Chess Federation formula (circular from 01/10/2015), verified against real games. Does not include monthly rise/fall caps (section 5) - calculates a single round of games.

Prize winners

Player

Time control

2 hours+ (Classical) 1:00-1:59 (Short classical) 25-59 min (Active/Rapid)

Opponents

Rd.	Date	Bo.	SNo	Title	Opponent	Rating	FED	Club	Pts.	New	Result	Leader's change	Opponent's change

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Calculate with ratings as of each game's date (official site chess.org.il)