Yesterday I wrote a blog on Self-solving Rubik's Cube Here is some more stuff on Rubik's Cube. This guy made a world record in solving a single 3x3x3 Rubik's Cube, in 4.73 seconds (not minutes, but SECONDS!). Here is a video by Matt Parker who talked to Feliks Zemdegs, the current world record holder where... Continue Reading →
I like mathematics, puzzles, problem solving, brain teasers etc. I knew what Rubik's Cube was. But somehow I never saw one till I was 35 years old! Strange, but true. To be precise, I should say, I discovered Rubik's Cube at that time. Got fascinated. After many months of tinkering (and also with help from... Continue Reading →
White to play and win Source: Twitter handle of GM Johan Salomon
Good tactical opportunity for Black after white blundered with h2-h3
What number should be at “?”. There is no typo in the last circle.
3 solutions to this puzzle...
ekoshapu 
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