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Robert James Fischer vs Mac Hack VI (Computer)
"Man vs. Machine, 1977" (game of the day Oct-24-2018)
Computer Match (1977), Cambridge, MA USA
King's Gambit: Accepted. Bishop's Gambit Bledow Countergambit (C33)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 6 OF 6 ·  Later Kibitzing>
Oct-13-18  RookFile: I remember that some of the old programs couldn't mate with king and rook against king, as long as you kept making your moves quickly.
Oct-13-18
Premium Chessgames Member
  thegoodanarchist: < RookFile: I remember that some of the old programs couldn't mate with king and rook against king, as long as you kept making your moves quickly.>

Were those "stand alone" chess computers with an actual board?

I remember when those were the most popular chess computer options, and at one point a company advertised their machine by saying it was capable of checkmating with knight + bishop :)

Oct-13-18
Premium Chessgames Member
  thegoodanarchist: 13...c6 is definitely a "class player" type of move. By saying this I mean someone rated <2000 USCF.

This is a move by a player who (which) thinks he (it) has the initiative.

Um, sorry, no you don't!

Oct-14-18
Premium Chessgames Member
  harrylime: The awful sad thing about this game is not the computer ... it's that we are staring at arguably the greatest Chess Player ever in his prime.
Oct-14-18
Premium Chessgames Member
  AylerKupp: <RookFile> My second favorite story about those early computers and their "playing ability" was a game that was published in either Chess Life or Chess Review in the mid to late 1960s. The computer, playing White, had a Pc2 and a Nc3. In response to Black's previous (and very threatening move) it played c2-c4 (!) blocking the threat. While it clearly knew that pawns could advance 2 squares on their first move, it didn't know that they could not jump over pieces! The commentators said something along those lines and indicated that c2-c4 was extremely convenient and that the arbiter, so to speak, let the move stand.

Needless to say, with that kind of demonstrated "playing ability", Black won easily.

Oct-14-18
Premium Chessgames Member
  AylerKupp: <<thegoodanarchist> This [13...c6] is a move by a player who (which) thinks he (it) has the initiative.>

You mean something like 14...Nxc4 in Portisch vs Tal, 1964? See my comment there in Portisch vs Tal, 1964 (kibitz #27).

Oct-14-18
Premium Chessgames Member
  AylerKupp: <<harrylime> The awful sad thing about this game is not the computer ... it's that we are staring at arguably the greatest Chess Player ever in his prime.>

WHAT !!! Did you actually used the phrase "<arguably> the greatest Chess Player ever <in his prime>." ????? Are you feeling all right? Or are you mellowing in your old age? Please don't.

Oct-14-18
Premium Chessgames Member
  Sally Simpson: Hi AylerKupp,

I think he is talking about Greenblatt who after this game went onto claim that Humans had fixed World Chess.

Oct-14-18
Premium Chessgames Member
  Diademas: Could be a Monday puzzle.

20...? Black to find the only move that allows mate in one.

Oct-14-18  AlicesKnight: <MissScarlett, Keypusher et al> I still have my Chess Challenger, in working order. From those distant days.... I regard it with some affection. It was handy when multi-tasking on some long, complicated and uninteresting work-at-home stuff - to glance at the CC for a few seconds and make a response was light relief when on about level 5 or 6 (not 1 or 2 when I agree it played help-mate at times). <MissScarlett> Thanks for the Youtube clip; my version came in a smart plastic briefcase, and has the correct algebraic marking, so perhaps I have a 'second edition'. The little lights on the display flick slowly back and forth as if to say "I'm alive and thinking....", unlike some silicon - cute.....
Oct-14-18
Premium Chessgames Member
  AylerKupp: <<Sally Simpson> I think he is talking about Greenblatt who after this game went onto claim that Humans had fixed World Chess.>

You're probably right, I don't know how I could have missed that. Thanks for setting me straight!

And I also missed that in the past he had referred to Fischer as "the computer". Thirty lashes with a wet tablebase!

Oct-15-18
Premium Chessgames Member
  harrylime: <AylerKupp: <<harrylime> The awful sad thing about this game is not the computer ... it's that we are staring at arguably the greatest Chess Player ever in his prime.>

WHAT !!! Did you actually used the phrase "<arguably> the greatest Chess Player ever <in his prime>." ????? Are you feeling all right? Or are you mellowing in your old age? Please don't.>

Ok I maybe had some kinda fainting fit there ! lol lol

RJF IS the Greatest and this game is pretty historic.

Oct-16-18
Premium Chessgames Member
  diceman: <Sally Simpson: Hi AylerKupp,

I think he is talking about Greenblatt who after this game went onto claim that Humans had fixed World Chess.>

1. Russians fix chess
2. Humans fix chess
3. Humans own computers
4. Humans fix computers
5. Computers own humans

Oct-24-18  sfm: 19.Rc1! At first glance I thought Fischer was joking, caring about an unimportant pawn - but with this move the queen is in severe trouble,and will soon be unable to defend h7 (or h6, as it came).
Oct-24-18  Whitehat1963: Crushing! But wouldn’t most grandmasters have found these moves?
Oct-24-18  Violin sonata: Bobby Fischer played a king's gambit, before this he often playing against it, even he had made a defense in the King's gambit. I'm sure he did it now as an exception, I think Bobby Fischer can be a strong king's gambit player with the positional sense.

I like white position after the move 10.Nxg5, I think it gains the initiative and tempo for white and this is proven after 14.Bxf4 Qg7 15.Nf6+ black position has been pressed. Well played by Fischer.

May-22-19  The Boomerang: Greenblatt? :)

Kasparov beat the much stronger, Deep Thought. Deep Blue 1996, took rounds off Deep Blue 1997 and Deep Junior 2003.

Jul-13-19  Chesgambit: Cambridge 1977 no reated
maybe Greenblatt elo 2100
Jul-13-19
Premium Chessgames Member
  AylerKupp: <Chesgambit> Cambridge 1977 no reated . maybe Greenblatt elo 2100>

The Greenblatt program (actually MacHack VI) was definitely rated. In fact, according to Greenblatt (Computer), It was the first program to play in a tournament against humans and achieved a chess rating, 1243 in 1966. It played under the pseudonym "Robert Q". And according to https://www.computerhistory.org/col... it achieved a rating of 1400 in Feb. 1967. A paper published in 1969 (https://dspace.mit.edu/bitstream/ha...) indicates that its rating was advancing quickly, reaching 1450 in Apr 1967.

It was also the first program to draw and then win a game against a human player in tournament play (https://www.chess.com/article/view/...).

In 1966 MacHack VI was running on a PDP-6 computer, but in the early 1970s it was rehosted to run on a PDP-10, a much faster computer (~ 500K ops vs. the PDP=6's 200K ops) with much more memory (the PDP-6 Greenblatt used had only <16K> words of memory for both program and data, although it could support 32K). So I suspect that the version that played Fischer in 1977 was a lot stronger than the version that played in that tournament in 1966/1967. Which probably isn't saying much.

May-01-20
Premium Chessgames Member
  wordfunph: simply a mismatch..
May-02-20
Premium Chessgames Member
  HeMateMe: one of the MIT Greenblatt programmers would have given Bob a stronger game.
Nov-13-21  newzild: It says something about Fischer that he chose to mate with the queen rather than the bishop.

In one of his other Greenblatt games, he could have underpromoted to a bishop and mated just as quickly:

Greenblatt vs Fischer, 1977

Nov-13-21
Premium Chessgames Member
  Joshka: <newzild> So you would have used your bishop to mate? What's the difference?
Nov-17-21  newzild: <Joshka> Some players would mate with the bishop just to be cute.
Nov-18-21  Granny O Doul: It shows that Fischer felt the state should take precedence over the church.
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