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FISCHERANDOM CHESS GENERATOR
  position #  random
FEN: rkbnrbnq/pppppppp/8/8/8/8/PPPPPPPP/RKBNRBNQ w KQkq -

How to Use This Page
  • This page is used for generating a random position to play Fischerandom Chess. Every time you reload this page, or press the new position button, a different position will appear. Just set up a chessboard based on the diagram above, find an opponent, and have fun.

Quick Rules for Fischerandom Chess

  1. Fischerandom Chess is played with a normal chess board and pieces. All rules of Orthodox Chess apply except as otherwise noted.
  2. The initial configuration of the chess pieces is determined randomly for White, and the black pieces are placed equal and opposite the white pieces. The piece placement is subject to the constraints:
    1. the king is placed somewhere between the two rooks, and
    2. the bishops are on opposite colors.
    3. pawns are placed on each player's second rank as in Orthodox Chess.
    There are 960 such configurations.
  3. Castling, as in Orthodox chess, is an exceptional move involving both the King and Rook. Castling is a valid move under these circumstances:
    1. Neither King nor Rook has moved.
    2. The King is not in check before or after castling.
    3. All squares between the castling King's initial and final squares (including the final square), and all of the squares between the castling Rook's initial and final squares (including the final square), must be vacant except for the King and Rook.
    4. No square through which the King moves is under enemy attack.
    The movement of the King and Rook during castling should be easily understood by players of Orthodox Chess:
    1. When castling on the h-side (White's right side), the King ends on g1 (g8), and the rook on f1 (f8), just like the O-O move in Orthodox chess.
    2. When castling on the a-side (White's left side), the King ends on c1 (c8), and the rook on d1 (d8), just like the O-O-O move in Orthodox chess.
    3. Sometimes the King will not need to move; sometimes the Rook will not need to move. That's OK.
  4. The object is to checkmate the opponent's King. Have fun!

Audio file of Bobby Fischer explaining Fischerandom

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 47 OF 47 ·  Later Kibitzing>
May-02-14
Premium Chessgames Member
  Sneaky: <Throwing 960 into the mix dumps all of this "culture".> ... <I completely agree.> I agree as well.

But there are some who think abandoning this culture is a good thing, and they have a point as well. In any case it's nice that we now have a way to temporarily abandon that culture, just for the fun of it.

Nov-04-14
Premium Chessgames Member
  Penguincw: 2 random questions I have about Chess960.

The first one has to do with castling rules. In standard chess, when castling takes place, the king can not be in check, castle through check or into check (along with other rules). However, for Chess960, is it possible for the rook to land in "check".

For example, take the following position:


click for larger view

For example, if the game opens with 1.e4 b6 2.Qd3 Ba6 3.Qg3 h6, is 4.0-0 here legal? I'm not saying it's a good move, but I'm asking if it's legal.

After 3...h6


click for larger view

Also, with this generator, is it possible to go from FEN to position number? Thanks. :)

Nov-05-14  FairyPromotion: <Penguincw> The position you gave is a transcendental chess position, and not a 960 one, since the starting position of pieces do not mirror each other. I'll assume you meant the white rook to be on on a1 and the bishop on c1, mirroring blacks position, while the black queen is on f1, and the king is on g1, mirroring whites position. Otherwise your variation doesn't work.


click for larger view

Now to answer your question, to my understanding the castling on the position after 1.e4 b6 2.Qd3 Ba6 3.Qg3 h6 is legal, as the king does not pass through the attacked f1 square. The rooks movement is irrelevant AFAIK, just like in regular chess. *

*- Ok, as I was typing that I remembered that my GUI <Arena 3.0> has the Chess 960 option. I played the line, and it allows castling in that position. :-)

As for your second question, I don't think that's possible with this generator, nor there is a standardized numbering for starting positions in Fischerrandom. Here the position you gave is #27, while in my GUI it's #437.

Hope this was helpful! :-)

Nov-05-14
Premium Chessgames Member
  Penguincw: < I'll assume you meant the white rook to be on on a1 and the bishop on c1, mirroring blacks position, while the black queen is on f1, and the king is on g1, mirroring whites position. >

Yes. When I saw the position given on the board, I just changed a couple of white pieces, without changing any black pieces. :)

< Hope this was helpful! :-) >

Yes it was. Thank you very much. :)

Feb-01-15
Premium Chessgames Member
  zanzibar: I just popped over here after reading Daniel's post on threading, I didn't even know this forum existed.

<perfidious: Having one's bishops on the same colour seems a mite silly.>

Just for the record, since no one else commented, FischerRandom requires the bishop's to be on opposite colors.

(I don't play it, well hardly ever, but I remembered that about it, and double-checked wiki.)

Mar-11-16  chess959: We now know that some people intentionally misdescribe chess960 as a chess variant. What could be the main reason for this?

And if the purists are so insistent that chess 960 is not “real chess”, why did we let computers rule the analysis of classic chess (SP518)? When did that become acceptable?

Mar-27-16  SetNoEscapeOn: <chess959: We now know that some people intentionally misdescribe chess960 as a chess variant. What could be the main reason for this?>

If a game doesn't have the exact same rules as classical chess, it is considered a variant. This is merely a definition, not a condemnation.

Mar-27-16
Premium Chessgames Member
  RookFile: What I would like to see is, each side could set up his men, except the pawns, any way he wanted to, but had no knowledge of how his opponent was doing the same until the game started. It seems to me this is closest to how real armies prepare for battle.
Oct-30-16  Sissafischkasp: I'm just new to "Fischer's Random Chess." I found it interesting, mathematically. Ordinary chess position 5,362 possible chess positions or 8,902 after two ply moves each. 71,852 different possible chess positions, or 197,742 total positions in just four moves. After five moves there arises 809,896 different positions. What about six and seven moves? Ad infinitum, really. And "Fischer's Chess Random?" Mathematically, how many possible positions will there be in first five move of both white and black color?
Oct-30-16  Jambow: I enjoy playing 960, Fischer Random or what ever it is called, and seemed to do better than at classical chess relatively speaking.
Feb-07-17
Premium Chessgames Member
  flimflam48: I have a horrible feeling that computers are effectively wrecking chess...since any position can be analysed to the 'nth' degree...and being human, we tend to go with the computer's analysis nearly all of the time instead of going with our own 'gut' feeling...this may happen to chess 960 as well as classical chess.
May-13-17  BlindBlunder: Full support to RookFile. Moreover, that idea may be generalized: https://www.chess.com/forum/view/ch...
May-14-17  morfishine: I like <RookFile>'s idea too, almost as much as I like Chess960.

Whats funny is how some people question if Chess960 can even be called "chess"

Of course it can

Here's a News Flash for you: The current game of chess, lets call it "standard chess", is WAY different than the original format; so any offshoot is of course "chess" or another form of "chess"

*****

May-14-17
Premium Chessgames Member
  paulalbert: I was not aware of the recording of Bobby explaining Fischer Random chess above. It is certainly a simple, articulate explanation. As he says, learning the rules is easy. Actually I have never played Fischer Random. After 65 years, I am still trying to play the conventional set up with more expertise than I have currently, but at 74 years of age ( same as Bobby would have been ) I am running out of time.
May-14-17  morfishine: Lets start posting some fun!


click for larger view

1. g4 g6 2. f4 f5 3. g5 e5 4. e3 Nab6 5. Nd3 e4 6. Nf2 Nc4 7. c3 b5 8. Nb3 a5 9. d3 exd3 10. e4 a4 11. Nd4 c5 12. Nxf5 gxf5 13. e5 Qe6 14. Nxd3 d6 15. b3 Na3 16. Rb2 axb3 17. axb3 c4 18. Nb4 Ne7 19. Qd2 d5 20. Bc5 O-O-O 21. O-O Rfe8 22. Ra2 Nb1 23. Rxb1 cxb3 24. Rxb3 Bxe5 25. Ra8+ Bb8 26. Ra6 Qe4 27. Bxe4 dxe4 28. Qe3 Bxb3 29. Bxe7 Rxe7 30. Rc6+ Rc7 31. Qb6 Rd1+ 32. Kf2 Bc4 33. Qa6+ Kd7 34. Rh6 Ba7+ 35. Kg3 Rg1+ 36. Kh4 Bf2+ 37. Kh5 Be2#


click for larger view

Now, thats what I call fun!

*****

May-21-17  morfishine: More fun


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1. c3 g6 2. d4 Bg7 3. g3 a5 4. Be3 Ra6 5. Qc1 b5 6. Bh6 Qa7 7. Bxg7+ Nxg7 8. Ne3 h5 9. Nf3 f6 10. Nd5 Nf7 11. Nf4 Bb7 12. Nxg6+ Ke8 13. Ngh4 Be4 14. Qe3 Qb7 15. Bg2 Re6 16. Qf4 d5 17. e3 b4 18. c4 Bd3+ 19. Ke1 Bxc4 20. b3 Bb5 21. Rc1 c6 22. Rc5 Nd6 23. Bh3 Re4 24. Qh6 a4 25. Qh7 Kf8 26. Ng6+ Kf7 27. Nh8+ Rxh8 28. Qxh8 axb3 29. axb3 Qa7 30. Rc1 Qa2 31. Nd2 Qb2 32. Rd1 Qc3 33. Bg2 Rxe3+


click for larger view

May-21-17  morfishine: More Fun


click for larger view

1. e4 a6 2. b3 b5 3. Bf3 c5 4. d4 Bb6 5. d5 d6 6. c4 b4 7. Nd3 Nd7 8. Bg4 Nf6 9. Bh3 Bb7 10. f4 e6 11. Bxf6 gxf6 12. Re3 Qh6 13. g4 O-O 14. g5 fxg5 15. fxg5 Qg6 16. Qf4 h6 17. Kf2 hxg5 18. Qg4 f5 19. exf5 Rxf5+ 20. Ke2 exd5 21. Qxf5 Rxe3+ 22. Kxe3 Qxf5 23. Bxf5 dxc4 24. Bxc8 Bxh1 25. Nf2 cxb3 26. axb3 c4+ 27. Ke2 Bd5 28. Bxa6 c3 29. Ng4 Bxb3 30. Nf6+ Kg7 31. Ne8+ Kh6 32. Nxc3 bxc3 33. Nxd6 c2 34. Kd2 Be3+


click for larger view

Now, thats fun

*****

May-26-17  morfishine: More Fun:


click for larger view

1. d4 f6 2. b3 g6 3. f3 Bh6+ 4. e3 Nf7 5. f4 c6 6. Nf2 Nc7 7. Ng4 Bg7 8. e4 h5 9. Ne3 e5 10. fxe5 fxe5 11. d5 cxd5 12. Nxd5 Bh6+ 13. Kb2 Nd6 14. Bxa7 Nxd5 15. Bxb8 Kxb8 16. exd5 e4 17. a3 Qf6+ 18. Ka2 Qe5 19. c4 e3 20. Be2 Ne4 21. Rc1 Nd2 22. Qc2 Bf7 23. Qc3 Qxh2 24. Nc2 Qxg2 25. Nb4 Nf3 26. Nd3 Nxe1 27. Rxe1 h4 28. Qf6 Rf8 29. Qd6+ Kc8 30. Ne5 Be8 31. Qc5+ Kb8 32. Qd6+ Ka8 0-1


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Black threatens <33...Rf2> and White has run out of checks

Now, thats fun, especially since the opponent was rated 2000+

*****

May-28-17  morfishine: Wicked complications, but lots of fun:


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1. e4 f6 2. Ke2 Bh5+ 3. f3 Nf7 4. Ng3 Bg6 5. Kf2 a6 6. N1e2 Ba7+ 7. d4 e5 8. Qe3 Ng5 9. Kg1 Ne6 10. c3 Ne7 11. Kh1 Nc6 12. Bf2 exd4 13. cxd4 Ne5 14. Rc1 Nc6 15. Qa3 Ne7 16. Bd3 O-O 17. h4 Qd8 18. Kg1 d5 19. h5 dxe4 20. hxg6 exd3 21. gxh7+ Kh8 22. Qxd3 Ng5 23. Rc3 c6 24. Rd1 Qa5 25. Nf4 Rad8 26. Nf5 Nxf5 27. Ng6+ Kxh7 28. Rc5 Bxc5 29. Qxf5 Kg8 30. f4 Rd5 31. Qc2 Bd6 32. fxg5 Rxg5 33. Be3 Rg3 34. Bf2 Rg4 35. Re1 Qd5 36. Be3 Qh5 37. Qb3+ Rf7 38. Qe6 Qh2+ 0-1


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Exhausting, but fun to win as Black vs my 1977 rated opponent

*****

May-29-17  morfishine: The fun never ends


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1. f4 d5 2. Nf3 f6 3. Nf2 Nf7 4. e4 e6 5. d4 c6 6. Be3 Ne7 7. Qd2 Bc7 8. Re1 Qd8 9. c3 e5 10. Bc2 exf4 11. Bxf4 Bxf4 12. Qxf4+ Qc7 13. e5 Ng6 14. Qe3 fxe5 15. dxe5 Be6 16. O-O-O O-O-O 17. Qxa7 Nfxe5 18. Nxe5 Nxe5 19. Nd3 Nxd3+ 20. Bxd3 Bg4 21. Rd2 Qb8 22. Qa4 Bf5 23. Bxf5+ Rxf5 24. Qg4 Rf8 25. Qxg7 Qxh2 26. Re7 Rf1+ 27. Kc2 Qb8 28. Rde2 R1f2 29. Qg4+ R2f5 30. Re8+ Kd7 31. Rxb8


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960 can be tricky

*****

Jun-02-17  morfishine: I was lucky here as White, blooping a rook away, but a pawn-storm carried the day:


click for larger view

1. c4 g5 2. Nac2 c6 3. b3 e5 4. a4 f5 5. Ba3+ d6 6. g3 c5 7. Bd5 Rg6 8. Ng2 e4 9. d3 Nf6 10. dxe4 fxe4 11. Nce3 Bh3 12. Ke1 Qa5+ 13. Qd2 b6 14. Qxa5 bxa5 15. Kd2 Nc7 16. Kc2 Be6 17. Bxe6 Nxe6 18. Rgd1 Nd4+ 19. Rxd4 cxd4 20. Bxd6+ Kf7 21. Bxb8 dxe3 22. Nxe3 Nd7 23. Bc7 Nc5 24. Bxa5 Rf6 25. Ng4 Re6 26. Bc3 Bxc3 27. Kxc3 Rb6 28. a5 Na4+ 29. Kd4 Rd6+ 30. Kxe4 Nc3+ 31. Ke5 Re6+ 32. Kf5 Nxb1 33. b4 h6 34. Ne5+ Ke7 35. f4 gxf4 36. gxf4 Rf6+ 37. Ke4 Nc3+ 38. Ke3 Nd1+ 39. Kf3 Ke6 40. e4 Nc3 41. b5 Kd6 42. Nc6 Kc7 43. e5 Re6 44. Nxa7 Na4 45. Ke4 Nc5+ 46. Kd5 1-0


click for larger view

Jun-02-17  morfishine: I was fortunate here as Black, what-with White apparently losing track of material and ending up in a losing position:


click for larger view

1. g3 c5 2. Qg2 Nc6 3. O-O e6 4. b3 Bf6 5. c3 d5 6. Bc2 Nd6 7. Qh3 Bd7 8. e3 Qe7 9. d4 O-O-O 10. dxc5 Nf5 11. b4 h5 12. Nb3 Nxb4 13. cxb4 Bxa1 14. e4 dxe4 15. Bxe4 Be5 16. Qg2 Bb5 17. Bxb7+ Qxb7 18. Qxb7+ Kxb7 19. Na5+ Kc8 0-1


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Oops

*****

Jun-03-17  morfishine: Took awhile to wrestle my opponent to resignation


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1. c4 e5 2. Nc3 Bf6 3. e4 g6 4. a3 c6 5. b4 Nb6 6. c5 Na8 7. Bb3 b6 8. Na4 b5 9. Nb2 d6 10. a4 a6 11. axb5 axb5 12. Nd3 Bd7 13. f3 Be6 14. Bf2 Bxb3 15. Nxb3 Qd8 16. h4 d5 17. h5 dxe4 18. fxe4 Bg7 19. g4 Qg5 20. Qe2 O-O 21. Bh4 Qh6 22. O-O-O g5 23. Bg3 f6 24. Nf2 Nc7 25. d4 exd4 26. Nxd4 Rfe8 27. Nf5 Nba6 28. Qa2+ Kh8 29. Qb3 Bf8 30. Nxh6 Bxh6 31. Rhe1 Ne6 32. Rd7 Nexc5 33. bxc5 Nxc5 34. Qf7 Nxd7 35. Qxd7 Red8 36. Qb7 Rb8 37. Qc7 Rbc8 38. Qb7 Bf8 39. Nd3 Ra8 40. e5 Ra1+ 41. Kd2 Bb4+ 42. Ke3 Bxe1 43. Bxe1 Ra3 44. exf6 Rdxd3+ 45. Ke2 Re3+ 46. Kf1 Rf3+ 47. Kg2 Rxf6 48. Qc8+ Kg7 49. Qd7+ Rf7 50. h6+ Kg8 51. Qxc6 Ra2+ 52. Kg1 Ra1 53. Qe8+ Rf8 54. Qe6+ Rf7 55. Qe5 Rb1 56. Qxg5+


click for larger view

Finally, Black throws in the towel

*****

Jun-18-17
Premium Chessgames Member
  cro777: GM Andrey Deviatkin: "I think the game invented (or rather discovered) by the great Bobby Fischer is in fact the real chess: it keeps unchanged the essence and the rules of chess.

I do hope it will gain serious popularity later in 21st century, so that we will have the calendar of real-life events with significant prizes and long enough time controls such as 60 or 90 min/game.

Why do I think so?"

http://chess960frc.blogspot.hr/2017...

Jun-18-17  WorstPlayerEver: '..the bishops are on opposite colors.'

At least they got one point straight.

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