1200 Medium Chess Puzzles in Two Moves Graphic by

PINS Diagram 30 - White wins the Queen for a Rook in 2 moves.

Logical Chess - Move By Move by Irving Chernev

Mate in 2 chess puzzles – Solve Chess Problems Mate in 2 Moves

Logical Chess Move by Move

Clustering openings of chess games, by Ian Tsybulkin

1200 Medium Chess Puzzles in Two Moves Printable PDF

Pawns & Passports: Chess Sets from Around the Globe

Moving away from traditional reporting methods: Why Learning Analytics & real - time insights matter - The Economic Times

How the Computer Beat the Go Master

Chess Tactics for Beginners - Apps on Google Play

Making Sense of the Chess.com Redesign Contest, by Jessi Shakarian