ChessBase

• Tata Steel Chess: Sindarov joins the lead in the Masters, Oro and Woodward continue to impress in the Challengers

  Round five of the Tata Steel Chess Tournament saw four decisive games in the Masters, with Nodirbek Abdusattorov, Hans Niemann and Javokhir Sindarov emerging as co-leaders on 3½/5. Sindarov joined the lead after inflicting a first loss on Turkish prodigy Yagiz Kaan Erdogmus. In the Challengers, Andy Woodward and Faustino Oro both grabbed wins to catch Aydin Suleymanli at the top. | Photo: Tata Steel Chess / Lenart Ootes

• Pranav Anand analyses his World Blitz Championship game against Carlsen

  19-year-old GM Pranav Anand was in superb form at the World Blitz Championship 2025. He scored impressive wins against strong players like Amin Bassem, Robert Hovhannisyan, Richard Rapport and Volodar Murzin. He finished the tournament with a score of 12/19 and obtained a 2739 TPR! In the fifth round, he faced Magnus Carlsen, a dream encounter for any young player. He has annotated his game against the world number one in this article. Check out how the exciting battle unfolded. | Photo: Shahid Ahmed

• Tata Steel Chess: Niemann and Abdusattorov grab wins, share the lead

  Round four of the Tata Steel Chess Tournament featured three decisive games in the Masters, with Hans Niemann scoring an impressive win over Aravind Chithambaram, which included a well-timed queen sacrifice. Nodirbek Abdusattorov also won to share the lead, while Javokhir Sindarov defeated Matthias Bluebaim to stay in close contention. In the Challengers, Aydin Suleymanli kept the sole lead after defeating Lu Miaoyi with the white pieces. | Photo: Tata Steel Chess / Lenart Ootes

• Daniel Naroditsky toxicology report at time of death is released

  After the shocking death of the American Grandmaster Daniel Naroditsky at the age of 29, speculations and accusations were rampant on whether it had been suicide or other. The Chief Medical Examiner of the North Carolina Office released the toxicology report, stating it had found a number of drugs in his system that could lead to addiction or death, though it leaves as many questions as answers. | Photo: Lennart Ootes

• Review: All new releases in December!

  ChessBase 26 is certainly the highlight among the November releases, but the other databases also offer a wealth of study material. There are many new options to explore, as well as in Harald Schneider-Zinner’s checkmate course, which combines a book with an online course. Finally, there are also new installments of Karsten Müller’s Endgame Academy and Ivan Sokolov’s middlegame strategy series. | All photos: ChessBase

• Christmas Puzzles 7 – long and short

  Take a look at this relatively simple position. Can you figure out how White can win? And how many moves it will require to overcome Black's most resolute defence? You won't believe it. To relax we bring you the arguably easiest chess study ever composed, and other entertaining puzzles, many from the out-of-the-box legend Karl Fabel.

• Christmas Puzzles 6 – cover the board!

  In August 2019 I spent a week in France, at the training camp I had organized (together with ChessBase India) for young Indian super talents. Former world champion Vladimir Kramnik did the chess training, while I pestered the kids with logic puzzles. Most did not involve chess, but some did. Here are a couple for you.

• Christmas Puzzles 5 – Rotary problems

  In rotary problems the board is rotated by 180° for a second position with a different solution. It is usually pawns that make a different when you turn the board around. Or the king/queen positions, or castling is involved. Can one devise problems where these factors do not play a role? Yes one can, as our expert for out-of-the-box problems, Werner Keym, proves.

• Christmas Puzzles 4 – Retractors

  These days it is not easy to challenge anyone with problems or studies. Loading the PGN and clicking Start will usually get you the solution in seconds. So we are trying to provide you with "computer resistant" puzzles in this year's Christmas Puzzle Week. Today the subject is taking back a move in a given position and looking for a move to fulfil the condition. As in this 100-year-old problem by Thomas Dawson: it requires you to take back one move and then mate the opponent in two. Can you think how?

• Christmas Puzzles 3 – Just some text

  There are chess puzzles which only consist of a line of text, asking you to construct a position or a game that it describes. Some can be awesomely difficult, like the puzzle we first posted 41 years ago. Two world champions were not able to solve it. We tell you about that, and present a new ones, not quite as tough, for you to solve.