ELO: 1400–1900
0 reviews

Two Knights Save the Day: A World Champion’s Favorite Studies
Sergei Tkachenko
I am afraid that time has been less kind to puzzle books. The advent of countless free online puzzle resources means that the requirements for a physical puzzle book is much higher than just containing puzzles. You need to either educate your reader, systematically walk a player through their acquisition of patterns, have meticulously curated grouping, teach calculation or offer something unique.
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ELO: 1400–1900
0 reviews

Sergei Tkachenko
ELO: 1400–1900
0 reviews

Sergei Tkachenko
ELO: 1400–1900
0 reviews

Sergei Tkachenko
ELO: 1900–2200+
0 reviews

Sergei Tkachenko
ELO: 1900–2200+
0 reviews

Galina Satonina
ELO: 1400–1900
0 reviews

Sally Landau
ELO: 800–1500
0 reviews

Anastasiya Geller
ELO: 1400–1900
0 reviews

Sergei Tkachenko