What do you think about chess without castling? – Stockfish vs Ruby – CCC Season 15

Non Castling chess! Yes or no?


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[Event “No-Castle II (5|2)”]
[Site “?”]
[Date “2020.09.18”]
[Round “1”]
[White “Stockfish”]
[Black “Rubi”]
[Result “1-0”]
[ECO “A05”]
[GameDuration “00:13:54”]
[GameEndTime “2020-09-18T07:50:23.082 PDT”]
[GameStartTime “2020-09-18T07:36:28.586 PDT”]
[Opening “Reti Opening”]
[PlyCount “145”]
[TimeControl “300+2”]

1. Nf3 Nf6 2. Nc3 Nc6 3. Rg1 Rg8 4. Rb1 Rb8 5. Rh1 Rh8 6. Ng1 Ra8 7. Ra1 Nb8 8.
Nb1 Ng8 9. e4 c5 10. Nf3 Nc6 11. d4 cxd4 12. Nxd4 Nf6 13. Nc3 d6 14. f3 Qb6 15.
Nb3 a6 16. a4 Be6 17. a5 Qc7 18. Nd5 Nxd5 19. exd5 Bxd5 20. Qxd5 Nb4 21. Qe4
Nxc2+ 22. Kd1 Nxa1 23. Nxa1 Qc6 24. Bd2 Qxe4 25. fxe4 e6 26. Nc2 Rc8 27. Na3 h5
28. h4 g6 29. Nc4 Rc6 30. Rh3 f6 31. Rf3 Be7 32. Be2 Rh7 33. Rg3 Kf7 34. Rb3 Rc7
35. Rb6 Rd7 36. Bf3 Rh8 37. e5 dxe5 38. Rxb7 Rhd8 39. Kc2 e4 40. Rxd7 Rxd7 41.
Bxe4 Rd4 42. Bd3 Rxh4 43. Bc3 Rg4 44. Nd2 Rxg2 45. b4 h4 46. Bxa6 Rg4 47. Kb3 h3
48. Bb7 Bd6 49. a6 Bb8 50. b5 Rg5 51. Kb4 Rg4+ 52. Nc4 Ba7 53. Kb3 Rg5 54. b6
Rb5+ 55. Ka4 Rxb6 56. Nxb6 Bxb6 57. Kb5 Ba7 58. Bb4 h2 59. Bc5 Bb8 60. Bh1 e5
61. Kb6 Ke6 62. Kb7 Bd6 63. Bxd6 Kxd6 64. a7 Ke6 65. a8=Q Kf5 66. Kc6 Kf4 67.
Qa3 e4 68. Kd5 e3 69. Ke6 Kg4 70. Kxf6 Kg3 71. Qxe3+ Kg4 72. Qg5+ Kh3 73. Bg2#


  1. Unexpectation by stockfish. From the middle game, I guess the Ruby will win because of the center pawn. Finally, Stockfish counter attack and win the game. Nice games.

  2. Yes Sir I also don't like no castling chess as the game becomes more tactical rather than positional. From the AlphaZero papers my favourite Variant is self capture chess. What's your favourite variant Sir from The Alpha Zero papers?❤️💓

  3. Small trivia. The actual primitive version of modern chess was invented in India(around 6th century, during the rule of Gupta empire) and it is called "Chaturanga". In that version of chess, castling rights were forbidden. Fun to see same thing reinstated here in computer chess.😄

  4. What if castling was introduced for a reason? 🤔

  5. Of course, no-castling chess is a good supplement, but I dislike that it overshadows some traditional or historically significant chess variants like Shatranj where a game without castling proceeds naturally.

  6. Always an “instant like” when I come to this channel.

  7. Jozarov, go look at the Deepmind paper (PDF) about how AlphaZero evaluates ten chess variants. It’s a fascinating, in depth consideration of these ideas. (And I suggest don’t bother with the chess.com TL;DR, they just dumb it down too much.)

  8. 14th World Champion Vladimir Kramnik suggested that "No castling" rule would curtail draws and bring back a freshness and creativity that we are losing with computer analysis and extensive human theory. Kramnik thought that David Bronstein had also brought the subject up many years before.
    Personally, I'd favor "no castling" over Fisher Random (Chess960).
    Not castling just requires a different approach to getting the rooks mobilized and protecting the King of course. I'm not one to automatically castle and often leave my King central until I feel the need to put him away. I don't lose games unnecessarily due to this approach.

  9. It´s something if the players focus on how to attack the king, just slows down the game if the players focus on how to make the king safe.

  10. You can always artificial castle in this version

  11. I understood “fight,” and the last one, “fatality,” but I wasn’t sure what the middle one was. Can anyone tell me, please? I’m familiar with it being from “Mortal Combat,” but I’m not that acquainted with it.

    And excellent coverage as always, Jozo. An interesting game, great coverage of the difference in strength between the two engines and how SF’s tactics were stronger and that it made ideal choices to enter a favorable endgame without giving too much to Black (such as a stronger center) to do so.

    Chess is the best, of course!!

  12. I can't see much point analysing no castling games when no one plays like that, other than noting that computers don't castle artificially.

  13. Not interested in these variants when we still haven't conquered the present game.

  14. "No castling" reminds me to Sultan Khan, who became GM without castling. But i prefer castling 😆. Regards

  15. the opening evals in no castling chess is not that different from normal chess. so should be a decent opening with the same handicap for both black and white.of course its difficult for humans who are not used to it practically because there are some different tactics in openings

  16. Really exciting end situation! Thanks a lot for explanations and exciting video.👍

  17. In my opinion castling is one of the most beautiful moves in chess, I agree with you that the advantage for White could be even higher in the variant no castling chess. The only change I can imagine to be integrated in modern chess is stalemate equals a win.

  18. In most cases, I will not prefer to Castling too shortly in the early game. It may suggest that you are giving your opponent a hint to exposed the weakness of your castle. For instance, when you castle on the kingside, you are giving your opponent to play on the G and H file. And when you castle on the queenside, you are giving your opponent to play on the A and B file. I don't even prefer to play castling on the entire game as if you are giving your opponent a hard time to outplay your game. I still prefer a king prophylactic move than castling. Nowadays, castling is too explored and exposed tactic and strategy.

  19. Please consider analyzing Stockfish's win against Leela from TCEC in DivP

  20. It’s odd that the game went so quickly into the endgame.

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