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Subject: deepviolet at icc

Author: Vincent Diepeveen

Date: 03:37:48 06/05/99


Their is a weird account at ICC called DeepViolet.
The facts about it:

   a) the operator is a nice fellow
   b) when it entered icc many years ago
      it had the same rating like scratchy (deep blue). didn't go up
      much since then.
   c) i have not seen it lose because of tactical mistakes yet, so
      tactical it's at ferret level.
   d) it makes the weird deep blue Bxg3 mistake, yet plays
      very strong further
   e) its rating is way higher than zarkovx (which has not only
      a high similar style as deepviolet, but from experiments
      also plays positional similar to deep blue).
   f) finger says deepviolet plays at a PII-266. operator told me
      PII-333, and updated recently his finger.
      ZarkovX runs unattended at a K6-3 at 475Mhz. zarkov runs way faster
      on a K6 than on a PII at same speeds. This K6-3 at 475 is for
      crafty though and for DIEP exactly as fast as a PII-450. For zarkov
      it's more like a PII-650Mhz.
   g) operator needs 18 seconds increment, a level which is only
      needed if you are way older than 75 or operating hardware or
      a parallel system. Operators of Rebel use 8 seconds a move (very seldom
      9 seconds). operators of windows programs use 4 seconds a move
     (this all loss because of operating).
   h) he already plays for years 2 18. a very consequent man this operator.

fingering scratchy:

Information about scratchy(C) (Last disconnected Wed Mar 13 1996 19:25):

          rating [need] win  loss  draw total   best
Blitz       2871  [8]   141     1     4   146
Standard    2781  [6]   374    14    37   425

 1: Meow.  I am a seafood gourmet.


Information about DeepViolet(C) (Last disconnected Tue Jun 01 1999 22:09):

          rating [need] win  loss  draw total   best
Blitz       2857        203   105    78   386   2898 (20-Sep-1998)
Standard    2508  [6]    94    45    21   160   2526 (02-Oct-1998)

 1: DeepViolet is an experimental chess program developed by several graduate
 2: students in the Virgin Islands and maintained by the DeepViolet Laboratories
 3: in Northern NJ. We appreciate the stronger players taking the time
 4: for matches with DV, and especially welcome matches from other
 5: computers.  This is version 4.0 and is manually operated, requiring
 6: the large increment (2 18 r) for blitz games.  Thank you for your
 7: patience.  DeepViolet now runs on a 333mhz Pentium II with 64 megs RAM.

 Address  : octo@intercall.com

Nowadays 2800 is not much that much anymore for programs at the internet:

Statistics for crafty(C)         On for:31:21     Idle:    1

          rating [need] win  loss  draw total   best
Wild        2113  [6]   185    50     8   243   2118 (17-Jan-1999)
Bullet      2969       5703  1363   927  7993   3108 (04-Jul-1997)
Blitz       2912      45140 12385  7824 65349   3187 (09-Apr-1999)
Standard    2655       3333  1322   883  5538   2720 (16-May-1999)

 1: Crafty v16.10 (4 cpus)
 2: crafty now uses all 3/4/5 piece endgame databases, over 20gb.
 3: Intel 486/66, 4mb, 40mb EIDE disk
 4: Accumulated hours: 26,500  % of life on icc: 75.54
 5: Crafty is freely available, both source and a windows executable, for those
that don't have unix machines they can compile on.
 6: anonymous ftp to ftp.cis.uab.edu/pub/hyatt
 7: Note that I generally +noplay computers that don't fill in their notes with
the program and machine being used...
 8: note to computer operators:  if you are only interested in rating points, as
verified by only matching crafty when it is rated higher than you, but not when
it is lower, then expect to end up on its +noplay list.
 9: also note that _any_ computer operator that interrupts a GM/IM match will be
+censored and it will be permanent.. If crafty is playing a human do _not_
interrupt and jump in between games.
10: I like playing "rabid".. it inflates my rating.  :)

finger ferret:

Information about Ferret(C) (Last disconnected Fri Apr 30 1999 22:54):

          rating [need] win  loss  draw total   best
Wild        2618  [6]     2     0     0     2
Bullet      2930  [8]  2027   498   372  2897   3155 (28-Jun-1998)
Blitz       3132  [8] 11469  2416  2638 16523   3132 (30-Apr-1999)
Standard    2720  [6]   663   218   237  1118   2825 (01-Apr-1998)

 1: Ferret. Xeon 450 mhz x 4
 2: Message me and I'll put you on my spam list, these people will get email
when Ferret is released for public consumption (no other use will be made of
this list).
 3: I am automatic and mostly unattended. Autoflag is on. I will not resign,
give takebacks, or accept or offer draws, unless the operator is present. I
reserve the right to decline any challenge.
 4: "finger schroer" for information on high quality lessons, etc.
 5: Please send any comments via ICC "message" command to Mouse or Ferret.
 6: If you get computer assistance during games, but are not on the computer
list (no "C" after your name), please read "help computer" and stay away from me
completely if you wish to continue to cheat.
 7: I'll play unrated fast blitz with any registered player (5 2, 4 4, 3 5, 2 7,
or faster).
 8: I'll play rated 2 0 bullet, rated slower blitz (no 3 0 or 4 0), or quick
rated standard (30 0, etc.), with any established human over 2400, or any other
established player (including computers) within 300 points.
 9: Please play an even number of games at a given time control, and no
auto-rematch please.
10: 1995 world microcomputer amateur chess champion, 1996-1997 world
microcomputer speed chess champion

 Address  : brucemo@seanet.com

Search deepviolet:

[Event "ICC 2 18"]
[Site "Internet Chess Club"]
[Date "1999.05.19"]
[White "DiepX (4 processor version)"]
[Black "DeepViolet"]
[Opening "Ruy Lopez: modern Steinitz defense, 5.O-O"]
[ECO "C72"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nge7 7. d4 Ng6 8.
Re1 Be7 9. Nbd2 O-O 10. Nf1 Nh4 11. Nxh4 Bxh4 12. Ng3 exd4 13. cxd4 Re8 14.
Bxc6 Bxc6 15. d5 Bb5 16. Bd2 Bxg3? 17. hxg3 c5 18. Bf4 a5 19. Qb3
{Game courtesyadjourned by White}

The 16..Bxg3 move was funny and quite laughable. DIEP doesn't even
*consider* bxg3 of course. I tried several ZarkovX versions:
don't even *consider* Bxg3 either.

Now this bxg3 gets made by more programs, i don't know why actually, it's
a beginnersmistake in chess. Giving up the bishop pair AND giving white a
nice g3 pawn.

Now let's get to a game fragment

   DeepViolet         -  other program
  1.  d4       (0:05)    Nf6      (0:06)
  2.  c4       (0:05)    g6       (0:04)
  3.  g3       (0:05)    c6       (0:04)
  4.  Bg2      (0:07)    d5       (0:04)
  5.  cxd5     (0:06)    cxd5     (0:04)
  6.  Nc3      (0:07)    Nc6      (0:04)
  7.  Nf3      (0:27)    Bg7      (0:06)
Weird, but not all programs play Nf3

  8.  O-O      (0:19)    Ne4      (0:10)
  9.  Bf4      (0:39)    O-O      (0:09)
Most prefer Bg5

 10.  Rc1      (0:25)    Be6      (0:06)


 11.  e3       (0:29)    f6       (0:39)
e3? the opponent of deepviolet would have made the same mistake



 12.  Qb3      (0:29)    Qd7      (0:31)
 13.  h4       (0:07)    h6       (0:12)
 14.  g4       (0:33)    Rad8     (0:44)
 15.  Rb1      (0:38)    g5       (0:28)

Now this is a weird move 15. Rb1. it's laughably bad.
it's not a tactical blunder though. I see junior at huge depth
get to the same move. Zarkov is the only program that could reproduce
this move, but deepviolet definitely isn't zarkov at a PII-333.
It isn't zarkov at all.

 16.  Bh2      (0:24)    Rf7      (0:46)
 17.  Rfc1     (0:33)    Bxg4     (0:25)
 18.  Nxe4     (0:37)    dxe4     (0:10)
 19.  Nd2      (0:06)    f5       (0:31)
 20.  hxg5     (0:06)    hxg5     (0:08)
 21.  f3       (0:13)    Bh5      (0:17)
 22.  fxe4     (0:11)    Nxd4     (0:09)
 23.  exd4     (0:09)    Qxd4+    (0:06)
 24.  Kh1      (0:07)    Qxd2     (0:12)
 25.  exf5     (0:08)    Bg4      (0:42)
 26.  Rc7      (0:25)    Qe2      (0:20)
 27.  Rc2      (0:11)    Qd3      (0:10)
 28.  Qxd3     (0:07)    Rxd3     (0:07)
 29.  Rc8+     (0:12)    Kh7      (0:10)
 30.  Rc7      (0:40)    Bxf5     (0:18)
 31.  Rxb7     (0:07)    Bd4      (0:49)
 32.  Bg1      (0:37)    Kg6      (0:22)
 33.  Bxd4     (0:06)    Rxd4     (0:15)
 34.  Rc1      (0:12)    a6       (0:47)
 35.  Ra7      (0:43)    Bd3      (0:06)
 36.  Kg1      (0:11)    Bb5      (0:32)
 etcetera of course white lost it

So i give here 4 moves:

16..Bxg3?
7.Nf3
9.Bg5
15.Rb1

I haven't found a program yet that makes all those moves in blitz,
or a minute later.

Can someone try all his programs at home at these 4 positions and see
whether these 4 moves get the mainline.

I like to solve this deepviolet mystery. It is not
  zarkov 4.5 4.0
  diep
  fritz
  junior
  wchess
  genius 6.0

So what softwareprogram/hardwarecomputer is it then?


















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