Puzzle 420437:
Puzzle 420437:
GM Iv Popov (2609) - GM Ian Nepomniachtchi (2716)
65th ch-RUS HL Tyumen RUS, 2012.06.19 Popov - Nepomniachtchi, Tyumen 2012
65th ch-RUS HL Tyumen RUS, 2012.06.19 Popov - Nepomniachtchi, Tyumen 2012