David Bronstein’s Most Memorable Blunder At The World Championship Match (1951)

April 22, 2017 NHaselton Chess Lectures

Chess with SurenSat, April 22, 2017 7:54pmURL:
Embed:

David Bronstein vs Mikhail Botvinnik
Botvinnik – Bronstein World Championship Match (1951) · Sicilian Defense: Richter-Rauzer Variation. Traditional Vartiation (B63)
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 h6 8. Bf6 gf6 9. O-O-O a6 10. f4 Bd7 11. Kb1 Be7 12. Be2 Nd4 13. Qd4 Qa5 14. Rhf1 h5 15. Rf3 Qc5 16. Qd2 Bc6 17. Re3 Qa5 18. Bf3 O-O-O 19. Qd3 Rd7 20. h4 Kb8 21. a3 Bd8 22. Ka2 Qc5 23. Re2 a5 24. a4 Bb6 25. b3 Rc8 26. Qc4 Qc4 27. bc4 Rh8 28. Kb3 Rdd8 29. Rd3 Bg1 30. Red2 Kc7 31. Ne2 Bf2 32. Rd1 Bc5 33. Ng3 Rdg8 34. Ne2 Rh7 35. f5 e5 36. Nc3 Bd4 37. Rd4 ed4 38. Rd4 Rhg7 39. Ne2 Rg2 40. Bg2 Rg2 41. Nf4 Rg3 42. Kb2 Rg4 43. Nh5 Rh4 44. Nf6 Kb6 45. Rd6 Kc5 46. e5 Rd4 47. Rd4 Kd4 48. Ng4 Ba4 49. e6 fe6 50. f6 Be8 51. Kb3 e5 52. c3 Ke4 53. Nh6 Kf4 54. f7 Bf7 55. Nf7 e4 56. Nd8 e3 57. Kc2 Kg3
0-1
Video Icon Attribution: By Koch, Eric / Anefo [CC BY-SA 3.0 nl (http://creativecommons.org/licenses/by-sa/3.0/nl/deed.en)], via Wikimedia Commons

Leave a Reply Cancel reply

You must be logged in to post a comment.

<div id="puzzlebot-container"></div>

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.polyfills.min.js"></script>

<script>
  var board = null;
  var game = new Chess();

  function onDragStart(source, piece, position, orientation) {
    // do not allow dragging when game is over
    if (game.game_over()) return false;

    // only allow white pieces to be dragged
    if (piece.search(/^b/) !== -1) return false;
  }

  function onDrop(source, target) {
    // see if the move is legal
    var move = game.move({
      from: source,
      to: target,
      promotion: "q" // always promote to a queen for example simplicity
    });

    // illegal move
    if (move === null) return "snapback";

    // update the board position
    board.position(game.fen());

    // get a random move from the engine
    window.setTimeout(makeRandomMove, 250);
  }

  // make a random move
  function makeRandomMove() {
    var possibleMoves = game.moves();

    // game over
    if (possibleMoves.length === 0) return;

    var randomIndex = Math.floor(Math.random() * possibleMoves.length);
    game.move(possibleMoves[randomIndex]);
    board.position(game.fen());
  }

  // initialize the chessboard
  function init() {
    var config = {
      draggable: true,
      onDragStart: onDragStart,
      onDrop: onDrop,
      position: 'start'
    };

    board = Chessboard('puzzlebot-container', config);

    makeRandomMove();
  }

  $(document).ready(init);
</script>