For English speakers, the

The competition, known as the , is tiered into four stages to filter for top talent:

: This is widely considered the most influential book for Russian olympiad prep. You can find complete English translations of Savchenko's Problems

: This is arguably the most famous Russian problem book used for olympiad training. English Translation (PDF) – A complete translation by Stefan Nicov.

Provides a 12-year window into evolving Russian competition styles. Phystech International (ISPHO)