Michael Haderlein

Contribute at least one answer each month for 3 consecutive months

Awarded to Michael Haderlein on 20 Jul 2017

Reach 500 reputation points

Awarded to Michael Haderlein on 20 Jul 2017

100 of your answers have been accepted

Awarded to Michael Haderlein on 20 Jul 2017

Provide your first answer ever to someone else's question

Awarded to Michael Haderlein on 20 Jul 2017

Solve a problem for the first time

Awarded to Michael Haderlein on 02 Feb 2012

Create a problem

Awarded to Michael Haderlein on 05 Feb 2015

Obtain 50 solvers for a problem you have created

Awarded to Michael Haderlein on 15 Oct 2022

Publish your first review

Awarded to Michael Haderlein on 09 Oct 2019