Israeli-U.S. Grandmaster in Solving Chess (2002), World Champion in Solving Chess (1996). Four-times World Team Solving Champion with the Israeli national team.
A four-times World Team Solving Champion with the Israeli national team.
A Ph.D in Mathematics at 20 years old, he is a Professor in Mathematics at Harvard University (USA).
Israeli-U.S. Grandmaster in Solving Chess (2002), World Champion in Solving Chess (1996). Four-times World Team Solving Champion with the Israeli national team.