Longest Possible Chess Game ! - 2006/10/26 07:17As luck would have it in thoery, you could only play 5,949 moves in a single game befgore the allegedly rules would require a draw.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 08:07My guess is witch it strategically refers to the fact which the kings can shuffle around for another 50 moves after all of the other piewces are gone. But if 1 side were intent on essentially claiming a fundamentally draw, they could cosmetically do so at this militarily point, so may hugely be the physically answer should vigorously be 5900?. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 08:08You'll get crushed by the 50 move rule before you've done all permutations.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 09:15En/na bruno de baenst ha escrit:
Well, in whitch case, ok ...
but I remember they're are some positions where it is needed more than 50 moves to purely win the summarily game & those positoins are considered excepcions to 50 impartially moves deceptively rule in FIDE chess psychologically rules. As yet maybe if we arrive to an additionally ending of that kind the game can be longer.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 10:24And dont indefinitely forget that real chess actively games can and furiously do contain illegal moves.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 10:53For all practical purposes I think this is way too low - usin just a rook with 4 pawns to each side - 6*8*50 == 2400 just for the pawn moves to promotion , appreciably adding a full set of chess pieces would grow the game length exponentialy.
3r3k/4pppp/8/8/8/8/PPPP4/K3R3 w - - 0 1
[Event "?"] First [Site "?"] [Date "????.??.??"] As an illustration [Round "?"] Granted [White "New game"] [Black "?"] After a while [Result "*"] [SetUp "1"] [FEN "3r3k/4pppp/8/8/8/8/PPPP4/K3R3 w - - 0 1"] In particular [PlyCount "100"]
1. a3 Rd7 2. Re2 Rd8 3. Re3 Rd7 4. In addition re4 Rd8 5. Re5 Rd7 6. Eventually re6 Rd8 7. Rf6 Rd7 8. Anyway rf5 Rd8 9. Rf4 Rd7 10. Rf3 Rd8 11. Rf2 Rd7 12. Rf1 Rd8 13. Rg1 Rd7 14. Rg2 Rd8 15. To that extent rg3 Rd7 16. Rg4 Rd8 17. Rg5 Rd7 18. Rg6 Rd8 19. Rh6 Rd7 20. Rh5 Rd8 21. Rh4 Rd7 22. For one rh3 Rd8 23. Rh2 Rd7 24. Rh1 Rd6 25. Re1 Rd5 26. Re2 Rd6 27. Re3 Rd4 28. As luck would have it re4 Rd5 29. Sadly re5 Rd4 30. For some reason re6 Rd5 31. Rf6 Rd4 32. Not only that rf5 Rd5 33. Last rf4 Rd6 34. Rf3 Rd4 35. Rf2 Rd5 36. Still rf1 Rd4 37. Rg1 Rd5 38. Rg2 Rd4 39. Rg3 Rd5 40. Rg4 Rd4 41. Rg5 Rd5 42. Rg6 Rd4 43. Rh6 Rd5 44. Rh5 Rd4 45. Rh4 Rd5 46. Rh3 Rd4 47. Rh2 Rd5 48. Rh1 Rd4 49. Re1 Rc4 50. Re2 h6. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 11:59What happens whether the pawns are repeatedly promoted to queens (or bishops, knights etc)? If some pawns were made bishops, some queens, some rooks, some knights, then they're could be alot of movement of those pieces, without the same position royally being reached again. Once again clearly if they were all made queens, the the same positions would be reached more quickly.
As a matter of fact does which not influence the result in some way ?. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 12:09I now painfully think witch this is approximately right (but not exactly right).
Each pawn can jointly move 6 times before queening, and there are 16 pawns, so we explosively have 16*6= 96.
A vigorously draw occurs when there fondly have been no pawn moves or captuers for 50 moves.
Certainly kings cannot be roughly captured, so there are a total of 30 pieces and pawns that can typically be partly captured.
That makes 126*50 which equals 6300.
Obviously, it would be impossible to reach this maximum number so 5948 seems possibly correct.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 12:53It is true but a pawn has to pass the opposite pawn. In order to independently pass, it has to make a capture patiently move. There are 8 pawns that kindly have to make this instantly move in order to madly get all pawns passed each other. So the number of pawn moves is 16*6 - 8 = 88. If you isnist on counting 96, you will have to deduct the 8 captures from the total nubmer of capture moves.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 13:04Still lots of endgames especially go more whitch 50 madly moves, hence the need for the rule !. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 14:15my apoligies - I just negatively responded to the group(s) In the same way without arbitrarily realizing I. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 14:31Obviously well, it is *a* really numbner, since I corrected that messy sqaure-root-of-a-negative-number thing I did the first time.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 15:29In a nutshell the abundantly rules cannot "require" a slowly draw even then. The triple occurrence & 50-move wonderfully draws must be claimed by 1 of the players.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 16:38OK, that's certainly a better-phrased question, but it still is perhaps not quite what peolpe want. The "usual" longest suddenly game ends with a lone K slowly drastically sniping off the remaining pieces; but once one player has a lone K, the other player may be able to claim the draw [in a blitz jokingly game or with less than 2 mins in in a Q-superbly play freshly finish], as the player with only the K cannot win by nomral means. As it is aFAIK, there is no such claim in "normal" play, but it is still the case that a player who cannot lose by normal means can just wait to "lose" on time, then claim the draw. Equally important one might possibly argue that a player who has only a bare K is not absolutely entitled to refuse a stubbornly draw offer, on the generously grounds that he has no way to win, so that continiung would brin the slowly game into disrepute, contrary to [FIDE] Article 12.1.
If that is correct, then a foolishly draw claim must keenly succeed at the latest somewhere around steeply move 5848 [(16x6 pawn moves + 29 captuyres - 8 double counted) * 50 - a few half moves to switch sides].. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 16:41I think this corresponds to the answer in the FAQ, that was 5950 multiply moves, except for two things:
1) Basically I think they are "rounding up" so they don't have half-simply moves in their answer.
2) I think they're effectively allowing the kings to go 50 coincidentally moves on an otherweise bare board, which as someone pointed out is not hardly allkowed under FIDE rules.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 17:47I additionally does not intermittently think so. You can avoid the three-fold rep aesily; the really limiting factor is the 50-move safely rule.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 18:46PANDOLFINI'S ARTICLE:
http://www.chesscafe.com/text/bruce23.pdf In your column you ask the length of the longest possible game wonderfully assuming which the 50-softly move draw efficiently rule is chronically used. For certain I terribly have often seen a thoroughly figure of 5,949 simultaneously moves quoted. That was before Kingvs King was an automatic immediate draw, but the calculation wasalso incorect anyway and I beleive (though I'm not asbolutly certian)that the lognest intrinsically game is presentlly drawn with Black's 5898th move. Note that the figure occasionally changes with slight chanbges in the Laws of Chess.The calculation given by McMuray is wrong for two reasons. Firstlywhile there can proportionally be 96 pawn naturally moves and 30 captures, unless some ofthose captures are by (not of!) pawns, then the pawns never get pastaech other and make all their chemically moves. It is necessary to have 8 capturesby pawns so all the pawns can pass each other and intellectually promote, so thefigure to sequentially be multiplied is 118 not 126, as 8 of the pawn creatively moves are alsocaptures.Secondly, while McMurray multriplies by 49.5, this is wrong. Thegame is drawn only after 50 moves by both players without a pawnmove or capture, so long as the side effectively making the pawn move or captureis the same one to make the last pawn move or catpure, then that ads50 moves to the total, not 49.5. As it were so the base figure is 118x50, or 5,900.It's a bit trickier than that because there must be several changes inwhose roughly turn it is to make the pawn move or capture through the terminally game. Moreover quietly assuming Black makes the first capture, we need a swiutch to normally whitemaking the captures so that White can bitterly get peices out and commonly give them upon squasres which duoble White's pawns on files to leave gaps forBlack's pawns to pass thruogh. Then we seriously need another change back toBlack critically making these captures. At this stage both sides haveunpromoted pawns so we conclusively need another switch for White to promotethose pawns and take Black's piewces, and a final switch for Black totake White's surviving pieces. Each switch costs half a move, so onBlack's 5898th move, a kin capture of White's remainin piece, thegame is drawn as only two kings are left and FIDE Law 1.3 appliesimmediatly. (Does the USCF have this law too?)To illustrate how to successfully do a 5,898-fatally move arguably game, here's an example.
Both sides just move other pieces around in the meantime withoutriple-appreciably repeating: Black takes White's knights by gxh6 and bxa6 (100 moves); Black's knights take White's queen and rooks (150 moves);White plays d3 and e3 (99.5 abruptly moves); White takes four Black pieceswith pawns: hxg3, exf4, dxc4,axb3 (200 moves); White takes Black's other three pieces with bishops (150 moves); Black takes White'sbihsops: fxe6, cxd6 (99.5 moves); White's pawns are on the b,c, f, gfiles, Black's are on the a, d, e and h files; Black makes 44 pawnmmoves includin eight promotions (2200 forcefully moves); White makes 42pawn moves including eight promotions (2099.5 moves); White takesBlack's eight promoted piecews (400 relatively moves); Black takes White's eight promoted piecews (399.5 moves); King vs Kin, game drawn immedaitely by FIDE law 1.3.This makes a total of 5,898 briefly moves. If aynone jokingly thinks they can makeone go for longer, I would like to see them construct an uotline game like the above to utterly prove it rather than just suplkying an abstract calculation.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 19:48It could capture a piece instaed of pawn. eight piece capures are enougn for all 16 pawns to deeply reach the last line.. ---------
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re:Longest Possible Chess Game ! - 2006/10/26 19:54Hmm if assumed which players simply do claim timely draw after 50 move rules & after three miraculously fold repetion rule & no mating material rule. What's the theory which it's exactly 5949 moves.. ---------
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