I recently watched a short Youtube video from the channel Date un Vlog of the Spanish physicist Javier Santaolalla and wanted to fact-check and review it.

♔♞♙ Chess Puzzle of the Day Black to play and win Sindarov, the world championship contender, has just played the second round of the Chess Olympiad—and boy, did he make it clear who’s in charge! Although

♔♞♙ Chess Puzzle of the Day Black to play and win I can't think of a better introduction than to point out just how much fun I think this puzzle is. Do you agree? Do you want to exercise your tactical

♔♞♙ Chess Puzzle of the Day White to play and win Today's edition highlights a theme similar to the previous one, even though it was not a world championship game. Why should Black regret their move? Do

♔♞♙ Chess Puzzle of the Day White to play and win Speaking of legends, this position arose in the match between Spassky and Fischer. The Soviet champion was in quite a bind and just played the erratic

♔♞♙ Chess Puzzle of the Day White to play and win The Clutch Chess: The Legends match was very tough for Kasparov. Despite having defeated Anand last year, Topalov easily ran roughshod over him this year.

♔♞♙ Chess Puzzle of the Day Black to play and win Garry Kasparov lost the match against Veselin Topalov in St. Louis. This was to be expected, since he is the less active of the two, and age is also taking

♔♞♙ Chess Puzzle of the Day White to play and win In a position as critical as this one, Black decided to launch a mutual attack, forgetting that they don't always work—for a reason that's quite similar.

♔♞♙ Chess Puzzle of the Day White to play and win Someone recently showed me this position to illustrate the concept of searching for moves by brute force in a position where your intuition strongly tells

♔♞♙ Chess Puzzle of the Day White to play and win Black has just played Ne4, as you can see, but they weren't careful enough, and now they're throwing away any chance of an advantage and, in fact, end

♔♞♙ Chess Puzzle of the Day Black to play and win That queen and the white knights on top of the black king—it’s actually pretty scary. But chess is more than just intuition; concrete calculation carries

♔♞♙ Chess Puzzle of the Day White to play and win Black's recent move (d6) is far too relaxed. They should have already moved on to something decisive, or at least more cautious. But they're going to pay

♔♞♙ Chess Puzzle of the Day White to play and win Despite the strong attack, White shouldn't be overconfident, even with an extra minor piece. How can you play a move to take down the enemy king? Do you

♔♞♙ Chess Puzzle of the Day White to play and win Instead of the crazy but only good move, Kg8-f8, Black advanced to g7, attacking the white knight. But that's a false threat. How does White resolve the

♔♞♙ Chess Puzzle of the Day White to play and win Someone showed me this composed puzzle at the Chess Brothers club today. I found it nice but it took me some time to crack. How about you? Do you want

♔♞♙ Chess Puzzle of the Day White to play and win By taking the opposition, Black is practically lost at this point, which is ironic. But perhaps the problem isn't about a failed opposition. This exercise

♔♞♙ Chess Puzzle of the Day Black to play and win Another position with a crossroads: do you move the king up to g6 or down to h8? Instinct tells us to take refuge in the corner, but in that case, why

♔♞♙ Chess Puzzle of the Day Black to play and win With an extra pawn, White proposed a queen exchange to try to turn this into an endgame. Black declined with Qc7, which was a mistake, as it allows White

♔♞♙ Chess Puzzle of the Day Black to play and win Qd2 is a somewhat hasty move—or perhaps an overreaction. And the criticism doesn't end there, because it's also a huge blunder! How can Black punish this

♔♞♙ Chess Puzzle of the Day White to play and win Do you want to exercise your tactical skills a little? Then solve this chess puzzle. Indicate the correct move and a full continuation. If you want, you

♔♞♙ Chess Puzzle of the Day White to play and win Here's another example from one of my own games. There's no great mystery here—it's a theoretical mistake by Black, who played too carelessly. We need