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Subject: Re: Post-Mortem Analysis "The importance of being a chess programmer"

Author: José Carlos

Date: 07:30:15 07/15/02

Go up one level in this thread


On July 15, 2002 at 10:14:16, Rolf Tueschen wrote:

>On July 15, 2002 at 08:29:14, José Carlos wrote:
>
>>On July 15, 2002 at 07:22:50, Rolf Tueschen wrote:
>>
>>>On July 14, 2002 at 19:39:22, José Carlos wrote:
>>>
>>>>On July 14, 2002 at 19:25:34, Rolf Tueschen wrote:
>>>>
>>>>>On July 14, 2002 at 19:03:05, José Carlos wrote:
>>>>>
>>>>>>On July 14, 2002 at 18:18:32, Rolf Tueschen wrote:
>>>>>>
>>>>>>>On July 14, 2002 at 18:04:56, José Carlos wrote:
>>>>>>>
>>>>>>>>On July 14, 2002 at 07:03:35, Rolf Tueschen wrote:
>>>>>>>>
>>>>>>>>>On July 14, 2002 at 04:57:21, José Carlos wrote:
>>>>>>>>>
>>>>>>>>>>On July 14, 2002 at 01:38:40, Uri Blass wrote:
>>>>>>>>>>
>>>>>>>>>>>On July 13, 2002 at 19:05:35, José Carlos wrote:
>>>>>>>>>>>
>>>>>>>>>>>>On July 13, 2002 at 17:16:05, Rolf Tueschen wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>>On July 13, 2002 at 16:57:51, José Carlos wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>>On July 13, 2002 at 15:09:18, Rolf Tueschen wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>On July 13, 2002 at 08:02:09, José Carlos wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>On July 13, 2002 at 07:15:53, Rolf Tueschen wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>On July 13, 2002 at 07:09:02, José Carlos wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>On July 13, 2002 at 05:35:24, Uri Blass wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>On July 12, 2002 at 19:16:31, José Carlos wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>On July 12, 2002 at 14:56:11, Ed Schröder wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>Hi CCC,
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>In Rebel I maintain a statistic file, on every iteration a counter is
>>>>>>>>>>>>>>>>>>>>>incremented with 1 (see column 2) representing the iteration depths Rebel has
>>>>>>>>>>>>>>>>>>>>>searched. When a new best move is found a second counter is incremented with 1
>>>>>>>>>>>>>>>>>>>>>(see column 3) representing how many times a new best move has been found on the
>>>>>>>>>>>>>>>>>>>>>given iteration depth, between brackets the percentage is calculated.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>As you can see the very first plies Rebel often changes to new best moves,
>>>>>>>>>>>>>>>>>>>>>however when the depth increases and increases the chance Rebel will change its
>>>>>>>>>>>>>>>>>>>>>mind drops and drops. From 16 plies on the chance a new better move is found is
>>>>>>>>>>>>>>>>>>>>>below 2%.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>I wonder what this all means, it is still said (and believed by many) that a
>>>>>>>>>>>>>>>>>>>>>doubling in computer speed gives 30-50-70 elo. That could be very well true for
>>>>>>>>>>>>>>>>>>>>>lower depths but the below statistic seem to imply something totally different,
>>>>>>>>>>>>>>>>>>>>>a sharp diminishing return on deeper depths.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>Interesting also is colum 4 (Big Score Changes), whenever a big score difference
>>>>>>>>>>>>>>>>>>>>>is measured (0.50 up or down) the percentage is calculated. This item seems to
>>>>>>>>>>>>>>>>>>>>>be less sensitive than the change in best move. However the maintained "Big
>>>>>>>>>>>>>>>>>>>>>Score Changes" statistic is not fully reliable as it also counts situations like
>>>>>>>>>>>>>>>>>>>>>being a rook or queen up (or down) in positions and naturally you get (too) many
>>>>>>>>>>>>>>>>>>>>>big score fluctuations. I have changed that and have limit the system to scores
>>>>>>>>>>>>>>>>>>>>>in the range of -2.50 / +2.50 but for the moment have too few games played to
>>>>>>>>>>>>>>>>>>>>>show the new statistic.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>Anyway the number of positions calculated seem to be more than sufficient (over
>>>>>>>>>>>>>>>>>>>>>100,000) to be reliable. The origin came from extensive testing the latest Rebel
>>>>>>>>>>>>>>>>>>>>>via self-play at various time controls.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>  Hi Ed, if I get this right, the second column (moves searched) is the number
>>>>>>>>>>>>>>>>>>>>of positions in which the program has reached the depth given by column 1. If it
>>>>>>>>>>>>>>>>>>>>was really "moves", there would be about 3x in depth 2 than in depth 1.
>>>>>>>>>>>>>>>>>>>>  Then the idea is that many more changes happen in low depths because the
>>>>>>>>>>>>>>>>>>>>program is there many more times, so I (ignoring "Big Changes") calculated a
>>>>>>>>>>>>>>>>>>>>couple of other numbers:
>>>>>>>>>>>>>>>>>>>>  The ratio moves changes / moves searched and the relative % of changes from
>>>>>>>>>>>>>>>>>>>>ply to ply:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>                 SEARCH OVERVIEW
>>>>>>>>>>>>>>>>>>>>                 ===============
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>  (A)     (B)            (C)           (D)             (E)
>>>>>>>>>>>>>>>>>>>>Depth    Moves          Moves     Moves Changed /   rel % of changes from
>>>>>>>>>>>>>>>>>>>>       Searched        Changed    Moves Searched    ply n-1 to n
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> 1     113768         0 =  0.0%        0
>>>>>>>>>>>>>>>>>>>> 2     113768     44241 = 38.9%    0.388870333
>>>>>>>>>>>>>>>>>>>> 3     113768     34262 = 30.1%    0.30115674        77.44%
>>>>>>>>>>>>>>>>>>>> 4     113194     32619 = 28.8%    0.288168984       95.69%
>>>>>>>>>>>>>>>>>>>> 5     113191     30697 = 27.1%    0.271196473       94.11%
>>>>>>>>>>>>>>>>>>>> 6     108633     28516 = 26.2%    0.262498504       96.79%
>>>>>>>>>>>>>>>>>>>> 7     108180     25437 = 23.5%    0.235135885       89.58%
>>>>>>>>>>>>>>>>>>>> 8     102782     22417 = 21.8%    0.218102391       92.76%
>>>>>>>>>>>>>>>>>>>> 9      82629     15400 = 18.6%    0.186375244       85.45%
>>>>>>>>>>>>>>>>>>>>10      59032      9144 = 15.5%    0.154899038       83.11%
>>>>>>>>>>>>>>>>>>>>11      39340      5183 = 13.2%    0.131748856       85.05%
>>>>>>>>>>>>>>>>>>>>12      23496      2350 = 10.0%    0.100017024       75.91%
>>>>>>>>>>>>>>>>>>>>13      12692       957 =  7.5%    0.075401828       75.39%
>>>>>>>>>>>>>>>>>>>>14       6911       396 =  5.7%    0.057299957       75.99%
>>>>>>>>>>>>>>>>>>>>15       4032       193 =  4.8%    0.047867063       83.54%
>>>>>>>>>>>>>>>>>>>>16       2471        72 =  2.9%    0.029138001       60.87%
>>>>>>>>>>>>>>>>>>>>17       1608        26 =  1.6%    0.016169154       55.49%
>>>>>>>>>>>>>>>>>>>>18       1138        17 =  1.5%    0.014938489       92.39%
>>>>>>>>>>>>>>>>>>>>19        921         6 =  0.7%    0.006514658       43.61%
>>>>>>>>>>>>>>>>>>>>20        795         7 =  0.9%    0.008805031      135.16%
>>>>>>>>>>>>>>>>>>>>21        711         1 =  0.1%    0.00140647        15.97%
>>>>>>>>>>>>>>>>>>>>22        636         2 =  0.3%    0.003144654      223.58%
>>>>>>>>>>>>>>>>>>>>23        574         5 =  0.9%    0.008710801      277.00%
>>>>>>>>>>>>>>>>>>>>24        507         1 =  0.2%    0.001972387       22.64%
>>>>>>>>>>>>>>>>>>>>25        451         3 =  0.7%    0.006651885      337.25%
>>>>>>>>>>>>>>>>>>>>26        394         1 =  0.3%    0.002538071       38.16%
>>>>>>>>>>>>>>>>>>>>27        343         2 =  0.6%    0.005830904      229.74%
>>>>>>>>>>>>>>>>>>>>28        296         2 =  0.7%    0.006756757      115.88%
>>>>>>>>>>>>>>>>>>>>29        269         0 =  0.0%    0                  0.00%
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>  Column (D) means the probability at a certain position at a certain depth to
>>>>>>>>>>>>>>>>>>>>get a change, according to your data, for a random position (I assume you chose
>>>>>>>>>>>>>>>>>>>>random positions, because this data comes from real games).
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>No
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>I assume that the positions that was searched to big depthes like 16 are only
>>>>>>>>>>>>>>>>>>>positions that the program had enough time to search in the game to depth 16.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>These positions are not random positions from games.
>>>>>>>>>>>>>>>>>>>I expect in random positions from games to see at least 10% changes at depth 16.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>Uri
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>  It's interesting that Ed, who has been doing chess programming for a lot of
>>>>>>>>>>>>>>>>>>years rely on statistical data, and you, absolute newbie to chess programming
>>>>>>>>>>>>>>>>>>can 'expect'. Quite amazing.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>  José C.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>Very telling about your lack of knowledge about interdisciplinary thinking.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>Rolf Tueschen
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Well, you needed several hundred posts from Dann to understand the simple
>>>>>>>>>>>>>>>>concept of elo ratings. Lack of knowledge is easy to solve, while lack of
>>>>>>>>>>>>>>>>intelligence is a real problem.
>>>>>>>>>>>>>>>>  BTW, interdisciplinary thinking has nothing to do with validating intuitions
>>>>>>>>>>>>>>>>through experiments.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  José C.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Your habits are a bit strange for CCC. You want to insult people for their
>>>>>>>>>>>>>>>intelligence? Didn't you know that this is out of fashion?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Did you feel insulted? Oh, sorry, I didn't insult you, really.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Also you cannot prove
>>>>>>>>>>>>>>>your visions.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Visions? I don't have visions. Maybe you take me for someone else ?!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>But I can prove where you lack of knowledge. Look at this:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>How do you know if or when I understood Elo system? Dann didn't
>>>>>>>>>>>>>>>explain anything to _me_,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Don't feel bad because Dann had to explain that to you. It can happen to
>>>>>>>>>>>>>>everybody.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>He was the only one having the courage to give his verdict about SSDF
>>>>>>>>>>>>>>>Elo system - _with_ me! We two the only ones. And you were dreaming of his role
>>>>>>>>>>>>>>>as _my_ teacher? That's funny.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  I'm glad you enjoied Dann's lessons. Dann is very good at that. I also always
>>>>>>>>>>>>>>enjoy his posts.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>You do not  understand what validity means... ;-)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Good argument!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>You have no idea of what interdisciplinary means too.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Damn, you leave me without words!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>You are the typical expert
>>>>>>>>>>>>>>>with narrow views.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Thanks for calling me expert... bah, just a little degree in computer science
>>>>>>>>>>>>>>and a few publications don't make me an expert...
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Do not insult Uri.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  I didn't. He knows it.
>>>>>>>>>>>>>>  BTW, do you feel the need to defend him? Don't you think he is capable to
>>>>>>>>>>>>>>defend himself? I think it's you who is insulting Uri.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Because he knows a lot about chess.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  The first thing where we agree! Cheers!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Know
>>>>>>>>>>>>>>>what I mean? Chess is the basis for computerchess. :)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Words of wisdom...
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Only interdisciplinary help could enlighten you. If you have questions, please
>>>>>>>>>>>>>>>tell me, I'll try to do my best for you.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Rolf Tueschen
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  Thank you very much. I'll ask you anything I don't understand.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  José C.
>>>>>>>>>>>>>
>>>>>>>>>>>>>No reason to become so upset only because I told you not to insult Uri.
>>>>>>>>>>>>>You have insulted him on his lack of intelligence
>>>>>>>>>>>>
>>>>>>>>>>>>  Uri knows I didn't. It seems _you_ are not capable to understand. I'm sorry,
>>>>>>>>>>>>I'm not gonna explain _you_ what I said to Uri. He understood. That's enough.
>>>>>>>>>>>>Please, stop defending him from nothing.
>>>>>>>>>>>
>>>>>>>>>>>You did not insult me for lack of intelligence but you said that you find it
>>>>>>>>>>>strange that I disagree with Ed when Ed has a lot of experience about chess
>>>>>>>>>>>programming and I am new in the task of chess programming.
>>>>>>>>>>>
>>>>>>>>>>>I think that the fact that I am new in chess programming was not relevant for
>>>>>>>>>>>the discussion because I do not need to be a programmer to have an opinion about
>>>>>>>>>>>data that everyone can see after hours of analyzing.
>>>>>>>>>>>
>>>>>>>>>>>I doubt if Ed has more experience than me in giving programs hours to analyze
>>>>>>>>>>>and looking if the program changes it's mind.
>>>>>>>>>>>
>>>>>>>>>>>The data that Ed gave is from games and if programs can get depth 16
>>>>>>>>>>>in games then the position is relatively simple so the program usually does not
>>>>>>>>>>>change it's mind.
>>>>>>>>>>>
>>>>>>>>>>>Note that I believe in diminishing returns but I still expect significant gain
>>>>>>>>>>>from hardare in the near future.
>>>>>>>>>>>
>>>>>>>>>>>I believe that the difference in comp-comp games at 24 hours per move may be
>>>>>>>>>>>only 40 elo from doubling the speed and not 70 elo but 40 elo is still
>>>>>>>>>>>significant.
>>>>>>>>>>>
>>>>>>>>>>>Uri
>>>>>>>>>>
>>>>>>>>>>  My comment was about you "expecting" where Ed was providing experimental data,
>>>>>>>>>>nothing more nothing less. Then I asked you for data, you posted some logs and I
>>>>>>>>>>find them interesting. That's all. Rolf just invented some nonsense to create
>>>>>>>>>>mess. That's his style.
>>>>>>>>>>
>>>>>>>>>>  José C.
>>>>>>>>>
>>>>>>>>>Some people find it helpful to crucify the reporter who reported their own
>>>>>>>>>mistakes. That is telling! You brought the indecent argument that Ed were
>>>>>>>>>programmer and Uri NOT. That alone is telling. Because the one had nothing
>>>>>>>>>to do with the other in the question that was debated here.
>>>>>>>>
>>>>>>>>  Uri understood it. I've already explained it to you. I won't explain it again.
>>>>>>>>I'm not so patient as Dann.
>>>>>>>
>>>>>>>Another change of the truth. Uri wrote the almost exact phrase I addressed to
>>>>>>>you. Period.
>>>>>>>
>>>>>>>>
>>>>>>>>> Even now you didn't have the "idea" to apologize.
>>>>>>>>
>>>>>>>>  _You_ should apologize. But I don't care at all what you do. You want to mess
>>>>>>>>and you do it. Well, if you enjoy that...
>>>>>>>
>>>>>>>You should stop to project your character onto others. Period.
>>>>>>
>>>>>>  _You_ should. Period.
>>>>>>
>>>>>>>>
>>>>>>>>>Instead you created a new
>>>>>>>>>insult against me. I should be responsible for the mess you brought yourself
>>>>>>>>>into. That is telling! Very telling.
>>>>>>>>>
>>>>>>>>>Rolf Tueschen
>>>>>>>>
>>>>>>>>  You keep on looking at the mirror, instead of looking at me. Your words tell
>>>>>>>>about yourself. I find it funny.
>>>>>>>
>>>>>>>This is the proof. Your confession that you find it funny, you enjoy it.
>>>>>>
>>>>>>  Yes, I confess I enjoy seeing yourself talking to the mirror.
>>>>>>
>>>>>>>You enjoy a mess.
>>>>>>
>>>>>>  No I don't. I've been posting here for some years. People know I don't. Nobody
>>>>>>believes your lies.
>>>>>>
>>>>>>>_Your_ mess.
>>>>>>
>>>>>>  Again talking to the mirror.
>>>>>>
>>>>>>>All what I did was the reporting and the warning that
>>>>>>>you should stop it and apologize to Uri. Now you are confused about yourself.
>>>>>>>Again, that could be healed by your apology. To Uri, not me of course. I'm just
>>>>>>>the observer, you cannot insult me at all.
>>>>>>
>>>>>>  Again talking to the mirror.
>>>>>>
>>>>>>>For the readers I repeat what you did wrong.
>>>>>>
>>>>>>  First you defend Uri (implying he can't himself), now you care for the
>>>>>>readers. Man, you must be a saint.
>>>>>>
>>>>>>>You attacked Uri by telling him
>>>>>>>that he were no programmer
>>>>>>
>>>>>>  Stop this fantasy, please. I know Uri wrote Movei, which is quickly improving.
>>>>>>Why do you think Uri is no programmer?
>>>>>>
>>>>>>>and he still dared to differ from Ed, who were a
>>>>>>>programmer indeed, with opinions.
>>>>>>
>>>>>>  I repeat I'm not so patient as Dann to explain this again to you. Read
>>>>>>previous post for an explanation or keep showing your unability to understand it
>>>>>>again and again.
>>>>>>
>>>>>>>This attack is indecent and should not
>>>>>>>be done here in CCC.
>>>>>>
>>>>>>  Good! Now you give me lessons how to behave in a forum! I'm so interested.
>>>>>>I'll search rgcc archives for more lessons.
>>>>>>
>>>>>>>Rolf Tueschen
>>>>>>
>>>>>>  José C.
>>>>>
>>>>>Here is what Uri wrote to you:
>>>>>
>>>>>"You did not insult me for lack of intelligence but you said that you find it
>>>>>strange that I disagree with Ed when Ed has a lot of experience about chess
>>>>>programming and I am new in the task of chess programming."
>>>>
>>>>  Nothing to add to what Uri said. It's crystal clear.
>>>>
>>>>>Again, bringing forward such arguments is indecent.
>>>>
>>>>  Really? Your above statement says: experiece doesn't count at all and it is
>>>>indecent to make conclusions out of it. People can draw their own conclusions
>>>>about your seriousness.
>>>>
>>>>>Saying one is programmer and
>>>>>a very experienced one and the other not so experienced or beginner and so on.
>>>>
>>>>  So what? I'm a begginer to chess programming also. The programs I write in my
>>>>work have nothing to do with chess, so I only have Averno as a hobby. So what
>>>>now? Do you think I'm insulting myself? Are you gonna defend me from me? :)
>>>>
>>>>>And you did the same with me in older discussion about SSDF and Elo and also
>>>>>now.
>>>>
>>>>  Again. Don't feel insulted because Dann had to explain you how Elo system
>>>>works.
>>>>
>>>>>The truth is that statistics and things like that have nothing to do with
>>>>>computerchess programming qualities.
>>>>
>>>>  That's a good proof of how much do you know about computerchess and
>>>>statistics. Well, maybe Dann didn't explain it so well after all.
>>>>
>>>>>This is not my own opinion, it's a simple truth.
>>>>
>>>>  Oh, yes. You don't have opinions, you have simple truths.
>>>>
>>>>>Good idea to search rgcc. In special read my messages from August 2001 on.
>>>>>All the old stuff from 1996 to 1998 is expressed by a virtually 22 y.
>>>>>old young man, what many people misunderstood.
>>>>
>>>>  :)
>>>>  "I'm not wrong. People don't understand me". Good argument.
>>>>
>>>>>Please read also my Mosaik on
>>>>>Schachcomputerwelt, in German unfortunately. The address is
>>>>>http://members.aol.com/mclanecxantia/myhomepage/rolfsmosaik.html
>>>>
>>>>  Sorry, I don't speak german (lack of knowledge?).
>>>>
>>>>>You may have the final word. Because you are a chessprogrammer. ;)
>>>>
>>>>  No, please, don't leave me with the final word. Continue stating your simple
>>>>truths.
>>>>
>>>>>Rolf Tueschen
>>>>
>>>>  José C.
>>>
>>>Since I diagnosed that logic is not the biggest talent of my opponent in the
>>>game above and that I saw that he's a real programmer, I ask this to all, what
>>>do you think of what is the exact definition of being a computerchess
>>>programmer, how big is the synergy effect of computerchess programming on
>>>general thinking processes and how large the part of own code should be that
>>>we start to speak of a computerchess programmer.
>>>
>>>Note please that this is a question to all, not primarily to my opponent above,
>>>who is very susceptible to magic thinking. For example real experts could
>>>perhaps explain how important the imagination is above straight perception for
>>>programmers. Are there certain parts in programming where you qua defining have
>>>the power to establish reality against different realities of other collegues?
>>>Is it possible to establish even different forms of logic?
>>>
>>>Rolf Tueschen
>>
>>  I won't answer your lies, since everybody can read above and see that, for
>>example, "magic thinking" is not something I'm susceptible to, but something you
>>invented for me.
>>  Anyway thanks for your lessons on what a beeing a good programmer means.
>>
>>  José C.
>
>Magic thinking is a polite paraphrasing! Perhaps you get it now ->
>
>Look at this: you insulted Uri for having less experience in chess programming
>(!) than Ed,

  So _you_ believe having less experience is an insult. Incredible.

>but Uri was talking about something where the experience of
>_programming_ was no point at all, therefore you attacked _me_ (!),
>insulting me that Dann had to explain to me something

  So _you_ believe needing an explanation is an insult. Incredible.

>in hundreds (!!) of posts. However the truth was that Dann was one of very few who _supported_ my critic of SSDF,

  :) Incredible.

>therefore a fact _you_ were angry about me

  ?!

>... who had written in R.G.C.C. (!!)

  Any reader interested can read above, in this post, why I mention rgcc when
this Rolf tries to teach me lessons how to behave in a forum.

>So backwards, it's because I have written in R.G.C.C. you have the right
>to insult Uri for having less experience than Ed in computerchess programming? :-))

  Finally you totally lose contact with reality.

>My question was if such looped *"magic"* thinking were favorable for chess
>programming.
>
>Rolf Tueschen

  Congratulations. You're brilliantly showing your logic.

  José C.



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