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> Home > The Corewar Newsletters > Core Warrior > Issue #1

Issue 33                                                         June 10, 1996
______________________________________________________________________________
Core Warrior is a weekly newsletter promoting the game of corewar.  Emphasis
is placed on the most active hills--currently the '94 draft hill and the
beginner hill.  Coverage will follow where ever the action is.  If you have
no clue what I'm talking about then check out these five-star internet locals
for more information:

FAQs are available by anonymous FTP from rtfm.mit.edu as
pub/usenet/news.answers/games/corewar-faq.Z
FTP site is: ftp.csua.berkeley.edu /pub/corewar
Web pages are at:
http://www.stormking.com/~koth                  ;Stormking
http://www.ecst.csuchico.edu/~pizza/koth        ;Pizza
http://pauillac.inria.fr/~doligez/corewar/      ;Planar

Newbies should check the stormking page for the FAQ, language specification,
guides, and tutorials.  Post questions to rec.games.corewar.  All new players
are infinitely welcome!

If ftp.csua.berkeley.edu is unreachable, you can download pMARS at:
Terry's web page--http://www.infi.net/~wtnewton/corewar/
Planar fpt site--ftp://ftp.inria.fr/INRIA/Projects/para/doligez/cw/pmars
Fechter ftp site--ftp://members.aol.com/ofechner/corewar
______________________________________________________________________________
Greetings.

Another week-end without the hill because of a power outage during the week
end Thos was unaware of. Now the hill is down again for maintenance, we all
hope it will reopen soon. Considering what we pay for it, we have nothing to
complain. :-)

Two new warriors in this issue: the historian by Bjoern Guenzel and
Vittuari's stoninc. Both authors have added some interesting comments.

A few other changes have been suggested; the most interesting is a sort of
priority scheduling in the holding pen, so as who submits many warriors at
once will have the others queued after a single submission of another player
coming later. A good thing, even if one should not submit many warriors at
once, waiting at least for the results of first one

Last minute. A new enhanced version of Mopt is available as part of
ptools11.zip at:
http://www.stormking.com/~koth/pmars.html
Thanks Stefan


--Beppe Bezzi
______________________________________________________________________________
Current Status of the Internet Pizza Server ICWS '94 Draft Hill:

Hill Specs:
         coresize: 8000
   max. processes: 8000
         duration: after 80,000 cycles, a tie is declared.
max. entry length: 100
 minimum distance: 100
    rounds fought: 200
  instruction set: ICWS '94 Draft

 #  %W/ %L/ %T                      Name               Author   Score     Age
 1  43/ 36/ 22                   Twister          Beppe Bezzi     149      78
 2  42/ 37/ 21                 Armory II             John K W     147      23
 3  35/ 23/ 41        Jack in the box II          Beppe Bezzi     147       3
 4  36/ 26/ 38             the historian       bjoern guenzel     145      97
 5  41/ 39/ 20                      test             John K W     144      10
 6  39/ 35/ 25                T.N.T. pro    Maurizio Vittuari     144     342
 7  43/ 43/ 15            Stepping Stone          Kurt Franke     143     776
 8  31/ 20/ 49              Atom Smasher        Anton Marsden     143      34
 9  37/ 32/ 30                      test             Maurizio     142      22
10  38/ 35/ 27               Thermite II        Robert Macrae     142    1963
11  37/ 33/ 29                   stoninc             Maurizio     142     217
12  43/ 44/ 14             HopScotch 1.6        Robert Macrae     141      91
13  40/ 39/ 21                justice II       bjoern guenzel     141       9
14  36/ 34/ 30        Test bb v1.36.boot        David van Dam     139       1
15  29/ 20/ 51                   Rosebud                Beppe     139     297
16  39/ 39/ 22                      Blur        Anton Marsden     138     370
17  31/ 24/ 45               blue candle       bjoern guenzel     138     211
18  35/ 33/ 31              Thalamus mod                Edgar     137      25
19  27/ 16/ 57             Hazy Shade II             John K W     137     922
20  41/ 45/ 14                      Yogi              P.Kline     137      49
21  41/ 45/ 14                  Scan Man        David van Dam     136     383
22  31/ 26/ 43          Scotch Broth 1.0        Robert Macrae     135      87
23  34/ 32/ 34              Manfred v0.1          Ian Oversby     135      24
24  36/ 39/ 25                 Chameleon           M R Bremer     133    1434
25  25/ 18/ 57                       EIF             John K W     133     171


Weekly age: 47 ( 42 last week, 127 the week before )
New warriors: 9  Turnover/age rate 19%
Average age:    306 ( 341 last week, 311 the week before )
Average score:  140 ( 136 last week, 140 the week before )
The top 25 warriors are represented by 12 authors: Wilkinson with 4,
guenzel, Bezzi, Vittuari and Macrae with 3, and Marsden and van Dam with 2.

Few challenges also this week because of a power outage during the week end
Thos was unaware of. Everything is normal now.

Twister has been king for near all the week. The only other warriors
reaching the top spot are the old Jack in the box, yes the old one and the
new version of Armory.

Few challenges i said, but a very high turnover, allowing 9 new warriors to
enter the hill, pushing off an age of 1967, the hill is getting younger and
younger every week.

Two ex kings have been pushed off this week: a veteran like Grilled Octopus,
and the king of two weeks ago, d-clear II, that experimented one of the most
abrupt falls in the king's hystory.

New entries include some interesting warriors, the quality has been very
high this week. Worth noting are Marsden Atom Smasher and two new versions
of old veterans: Armory II and Jack in the box II. Considering that verion 2
usually live longer than first, maybe we'll see them for long.

The veterans. Thermite hovered around 10th 15th spot, showing a good health
that should allow it to reach 2000 age. Hazy Shade and Chameleon were near
the bottom for most of the time, the Octopus is out and Stepping Stone is
having a new youth after some hard times.
______________________________________________________________________________
94 - What's New

 #  %W/ %L/ %T                      Name               Author   Score     Age
 2  42/ 37/ 21                 Armory II             John K W     147      23
 3  35/ 23/ 41        Jack in the box II          Beppe Bezzi     147       3
 5  41/ 39/ 20                      test             John K W     144      10
 8  31/ 20/ 49              Atom Smasher        Anton Marsden     143      34
 9  37/ 32/ 30                      test             Maurizio     142      22
13  40/ 39/ 21                justice II       bjoern guenzel     141       9
14  36/ 34/ 30        Test bb v1.36.boot        David van Dam     139       1
18  35/ 33/ 31              Thalamus mod                Edgar     137      25
20  41/ 45/ 14                      Yogi              P.Kline     137      49
22  31/ 26/ 43          Scotch Broth 1.0        Robert Macrae     135      87
23  34/ 32/ 34              Manfred v0.1          Ian Oversby     135      24

______________________________________________________________________________
94 - What's No More

 #  %W/ %L/ %T                      Name               Author   Score     Age
26  30/ 51/ 19                      Test       Steven Morrell     108       4
26  20/ 19/ 61                    Wicked             John K W     122      14
26  36/ 53/ 11                    test P              P.Kline     120       4
26  36/ 49/ 15        Violent Micro v0.4             basehead     123     199
26  32/ 38/ 31      Grilled Octopus v0.5         David Boeren     125    1154
26  20/ 15/ 65                    ompega       Steven Morrell     125     203
26   2/  1/  1                    Osseil             John K W       6     103
26  38/ 54/  7                d-clear II       bjoern guenzel     122      41
26  32/ 37/ 31                Bomber Boy        David van Dam     127     245

Another 1000 old warrior, Boeren's Grilled Octopus, leave the hill setting
at 11th place in the Hall of Fame.
______________________________________________________________________________
94 - What's Old

 #  %W/ %L/ %T                      Name               Author   Score     Age
11  37/ 37/ 25               Thermite II        Robert Macrae     137    1963
 9  39/ 39/ 22                 Chameleon           M R Bremer     139    1434
12  27/ 17/ 56             Hazy Shade II             John K W     137     922
17  39/ 45/ 16            Stepping Stone          Kurt Franke     134     776
13  40/ 43/ 17                  Scan Man        David van Dam     137     383
 2  41/ 38/ 22                      Blur        Anton Marsden     144     370
 6  39/ 35/ 25                T.N.T. pro    Maurizio Vittuari     144     342

A new entry, TNT pro, with Rosebud very near. The hall of fame is still very
far.
______________________________________________________________________________
HALL OF FAME
* means the warrior is still active.

Pos    Name                  Author          Age     Strategy
 1  Impfinity v4g1         Planar            1993    Stone/ imp
 2  Thermite II            Robert Macrae     1963 *  Qscan -> bomber
 3  Jack in the box        Beppe Bezzi       1620    P-warrior
 4  Tornado 3.0            Beppe Bezzi       1567    Bomber
 5  Torch t18              P.Kline           1539    Bomber
 6  Chameleon              Myer R Bremer     1434 *  P-warrior
 7  Frontwards v2          Steven Morrell    1420    One shot scanner
 8  Evol Cap 6.6           John Wilkinson    1299    Imp / stone
 9  quiz                   Schitzo           1262    Scanner/ bomber
10  T.N.T.                 Maurizio Vittuari 1204    Bomber
11  Grilled Octopus v0.5   David Boeren      1154    P-warrior
12  Iron Gate 1.5          Wayne Sheppard     926    CMP scanner
13  Hazy Shade II          John Wilkinson     922 *  P-warrior
14  Agony II               Stefan Strack      912    CMP scanner
15  Barrage                Anton Marsden      876    Qscan -> replicator
16  Blue Funk              Steven Morrell     869    Stone/ imp
17  Flurry                 Anton Marsden      835    Qscan -> pwarrior
18  Thermite 1.0           Robert Macrae      802    Qscan -> bomber
19  Stepping Stone         Kurt Franke        776 *  Qscan -> Vampire
20  Blue Funk 3            Steven Morrell     766    Stone/ imp
21  Night Train            Karl Lewin         755    Replicator
22  Mirage 1.5             Anton Marsden      736    Scanner/ bomber
23  Blizzard               Anton Marsden      713    Qscan -> replicator
24  HeremScimitar          A.Ivner,P.Kline    666    Bomber
25  La Bomba               Beppe Bezzi        650    Qscan -> replicator

Thermite II is now very near the top and the 2000 milestone.  Chameleon
surpasses Frontwards, Grilled Octopus settles in 11th spot, Hazy Shade II
and Stepping Stone moves up a little. 
______________________________________________________________________________
Current Status of the Internet Pizza Server Beginner's Hill:

Hill Specs:
         coresize: 8000
   max. processes: 8000
         duration: after 80,000 cycles, a tie is declared.
max. entry length: 100
 minimum distance: 100
      maximum age: At age 100, warriors are retired.
    rounds fought: 200
  instruction set: ICWS '94 Draft

 #  %W/ %L/ %T                      Name               Author   Score     Age
 1  57/ 26/ 17                      Mace                Edgar     189      49
 2  59/ 32/  9                  Thalamus                Edgar     187      29
 3  49/ 20/ 32              Hunter V 0.9            O.Fechner     178      30
 4  56/ 36/  9                  Thalamus                Edgar     175       5
 5  55/ 36/  9       Violent Micro v0.4b             basehead     175      81
 6  50/ 25/ 25         Fork v0.1-13p (i)    Christoph C. Birk     175      36
 7  48/ 23/ 29              Hunter V 0.8            O.Fechner     172      51
 8  51/ 43/  6       Not Very Pretty 2.0   Ross Morgan-Linial     158       3
 9  50/ 44/  6       Not Very Pretty 2.1   Ross Morgan-Linial     157       2
10  50/ 45/  5                     Snail                Edgar     155      27
11  46/ 41/ 13        Yet Another Try 1i           Justin Kao     152       1
12  46/ 44/ 10      Yet Another Try 1.0b           Justin Kao     149      14
13  47/ 46/  7                    Sapper        Andrew Fabbro     148      55
14  43/ 49/  8           Not Very Pretty   Ross Morgan-Linial     138      22
15  40/ 43/ 17      Extremely Prejudiced         Scott Manley     137      56
16  44/ 52/  3                Congo 1.0b   Ross Morgan-Linial     136      10
17  43/ 49/  8       Not Very Pretty 1.3   Ross Morgan-Linial     136      15
18  42/ 53/  5        Switch Hitter 0.1t   Ross Morgan-Linial     132       6
19  37/ 43/ 20            1,000lb weight   Ross Morgan-Linial     131      24
20  38/ 45/ 18                 Trebuchet        Andrew Fabbro     131      62
21  40/ 50/ 10                   radar.b        John K. Lewis     129      78
22  37/ 46/ 18 1,000lb weight (X version   Ross Morgan-Linial     128      21
23  41/ 54/  5     Micro Centurion (mod)                Edgar     128      83
24  38/ 52/ 11        Yet Another Try 1a           Justin Kao     124      32
25  35/ 49/ 16                C-Scan 1.0   Ross Morgan-Linial     121       8

30 challenges this week. Basehead's Violent Micro loses the head to Edgar's
Mace and Thalamus
______________________________________________________________________________
The Hint
by M. Vittuari

To boot or not to boot...this is the problem!

During my experiments with bombers, I have seen that a good bombing loop
isn't enough to make a good warrior.
"Static" warriors often have to choose between some common solution as:
- decoy-maker section
- booting section
- qscan section (+boot)
A good qscan means more wins but a little more losses (at the opposite
side we have imps!), booting is useful against "smart" enemies like
(q)scanners, but it pays something against "dumb" ones like stones/bombers,
a decoy-maker may be sometimes a good trade-off.
A decoy-maker is able to trash the core very quickly and also it can
reach and damage the enemy.
I tried lots of different decoy-makers, but the basic thing is to optimize
the costants (step, distance, size, etc.): changing just a value sometimes
produces very unexpected results!
In my tests I have tried to implement both boot and decoy-maker (!), the
result is a warrior maybe too "unbalanced", expecially for the oversized
dimension of the decoy-maker itself (this makes me to fall an easy prey
to some quickscanners).
I should try many more tests, but at the moment pizza is down for
maintenance and in these days I'm a bit busy...
Anyway stoninc is a working (beta) test of this.
For the bomber I have used (without permission! Robert_can_you_forgive_me?;-)
the good Brand 3.3, belonging to R. MacRae, and used also in Thermite II:
it is interesting to see that even if at the moment the difference between
Thermite (who use a qscan) and stoninc is very little, some days ago stoninc
had 6 points more than his older brother.
Another interesting section is the brainwashing pit used to reach the 100
instructions, this makes me gain some additional point (sometimes even
imps like to execute it! ;-)

So here's the code, with my promise to Robert to delete it very soon ;-)

;redcode-94
;name stoninc
;author Maurizio
;assert CORESIZE==8000
;strategy decoy test

DIST	equ	4200

decA	equ	(start+DIST-2500)
dAUX	equ	201
decAA	equ	(start+DIST+750)


;	*  *  *   P I T   *  *  *

;any silk-like warrior here is welcome! ;-)

pit	spl	16*2,	<pit-50
i for	16
	stp	#0,	#(-3*i*i)
	spl	-2,	<-1
rof
	jmp	-1,	<pit-50
i for	15
	stp	#0,	#(-3*i*i+1)
	spl	-2,	<-1
rof
	jmp	-1,	<pit-50


;	* * *  D E C O Y - M A K E R  +  B O O T  * * *

;the goal is trash A and B field, and try to damage the enemy

decoy1
b for	6
	mov	<decA+1-dAUX*(decoy1+1),{decA-dAUX*decoy1
rof

decoy2
b for	6
	mov	<decAA+1-dAUX*(decoy2+1),{decAA-dAUX*decoy2
rof

boot
a for	7
	mov	{bptr1,	<bptr1
rof
	mov	wipe,	{bptr2
	mov	gate,	{bptr2
	mov	sm,	<bptr2
	spl	@bptr1,	<4763


bptr1	div.x	#cp+1,	#DIST
bptr2	div.x	#DIST-9,#DIST+3


;	*  *  *   B O M B E R   *  *  *

;Brand 3.3
;by Robert MacRae

STEP1	equ	899
STEP2	equ	902

gate	dat   -100,	200
wipe	dat	-2,	#cp-gate+2
;	1 DAT
start	spl	#STEP2, STEP2+1
msm	mov	sm+3,	*(tgt+2*STEP1+STEP2)
msp	mov	start,	@msm
in	add	#STEP1+STEP2,@msp
tgt	djn.f	msm,	<4502
clr	mov	wipe-1,	>gate-1
cp	djn.f	clr,	{gate-1
;	3 DAT
sm	mov	-STEP2,	>-STEP2

end 	decoy1
______________________________________________________________________________
Extra Extra
the historian
by Bjoern Guenzel

The historian is my first and so far only successful p-spacer. I have 
already posted the components blue candle and self justice, so there 
is only the brain left to talk about.
In my first p-spacer, which was a permanent switch on loss, I faced 
the problem that often the score I kept was increased by a few wins 
in the beginning, and therefore wouldn't fall below the critical 
value quickly enough, if suddenly the first component started losing. 
To address this problem, in the historian I decided to reset the 
score every 9 challenges, that is the brain decides whether to switch 
or switch not only every 9 challenges, based on the results of these 
9 challenges. I think the idea is not new... It works fine, but I 
have not really compared it to other mechanisms. Perhaps a nice idea 
is the quick way I update my p-space cells every round, storing two 
values in one p-cell (number of rounds and number of losses). That is 
for the newbies, I guess the experienced players are using stuff like 
this already.
In the beginning I experimented with building scores for the active 
component, having different switching conditions for each component. 
That was because I thought the imp-stone was more likely to tie than 
to win, and I hoped to gain some more wins by doing so. That variant 
was exactly as fast as the current used, only a table with the 
minimum score for each strategy was needed. I think this should allow 
for a very precise tuning of the brain. In my experiments only 
counting losses worked best, but I later discovered that while I was 
testing the other variant, there had been a small bug in the brain 
:-( Perhaps I'll try it again in my next warrior. It would be like

strategy        dat min_score_strat1,0 ;load strategy here
                dat min_score_strat2,0
                    ...

                slt #actual_score,@strategy
                switch or not switch...

with giving eg 1 point for ties, 3 for wins (I think it is easy to 
understand). I think when I tried this, I had the wrong preconditions 
as well, as I thought a win is 2 points, a tie 1 point at the current 
scoring system (instead of 3/1), so perhaps I really should give it 
another try...

The multi-boot version (about 75 visible instructions) scored a bit better
against Thermite and Scan Man (and perhaps others I don't remember) than with 
seperate boots (about 98 instructions), although it takes two more 
cycles to boot. Perhaps it is a good compromise between having not 
enough decoy and the likelihood of being discovered too early.

I have no brainwash protection, mostly because I am not sure which 
component I should switch to. At the moment it is fairly random. A 
version that would permanently switch to stone-imp after brainwash 
scored worse :-( I tried making p_init a high value, eg 7000, which 
means that after brainwashing the brain would probably not switch 
anymore. Since I assumed it would most likely be washed with 
something != 0, it would then switch permanently to stone-imp (I had 
a jmn instead of a jmz then). This really improved my scores against 
Flurry really good (I think from something like 50/15 to 20/20, I am 
not sure), but against others it scored worse. Surprisingly against 
warriors not supposed to be brainwashing, like T.N.T. pro or Scan 
Man. I may not speculate more, that is up to Maurizio :-) I only 
conclude that for every p-spacer it is very likely to be brainwashed at 
least once during 200 battles against any opponent (eg by being hit 
with a spl in an early stage), so it better should be not too vulnerable 
against that (for example the historian resets it's brain rather 
quickly, so occasional brainwashs won't hurt too bad).
BTW, I think brainwashing paper is very unlikely to be met, Flurry 
might be about the only way to do it? That is because paper will most 
likely come as a p-component, and how would you protect a 
brainwashing paper from washing itself? (If anybody has an idea, I'd 
be very interested to hear). 
Enough talk. I hope the historian has become a dreaded opponent for 
the one or other, and that it will remain like that for a while :-) 
(Some are already beating it :-( ).

Enjoy Core War, and good luck in climbing the hill (don't be too hard 
to the historian, so that I finally can get some time for my studys...:)

Bjoern


P.S.: I changed the p-cell numbers and boot distance, just for safety...

;redcode-94 verbose
;name the historian 
;author bjoern guenzel
;strategy p-space l3 s9 inv
;strategy switch stone with stone/spiral
;release 25.5.96
;assert CORESIZE==8000
;kill historian


;constants for self justice
jstep		equ 3315
jcptr		equ (jsplit-3)
jshift		equ stshift	;boot distance

;constants for blue x-torch
stshift		equ (-2222)	;boot distance
gate		equ hit+5001
clptr		equ (steps-3)
sign		equ (-1)	
step4		equ (3364)	
step		equ (sign*step4)
magic		equ (1000)

;constants for spiral launch
istep		equ 2667
spshift		equ (ptr+stshift+imagic) ;magic boot distance
imagic      	equ (4875-1451+11+14)

;constants for brain
samplesize	equ 9		;switch every 9 rounds
critical        equ 3		;if losses > critical
p_track		equ 321		;loss + rounds count
p_strategy	equ 456		;active strategy
p_init		equ 0		;don't know what is better 
p_factor	equ 20		;against brainwashing?

; ********* brain *********

;table for track update

		dat p_init+samplesize*p_factor+critical+2,0	 ;first round
p_table		dat p_factor+1,0 ;loss -> add one to loss count
		dat p_factor+0,0	 ;tie  -> only update round count
		dat p_factor+0,0	 ;win  -> only update round count

p_ptr		dat #p_strategy,#p_track	;p-space pointers

;make new decision

p_switch	sub.ab #p_init+(samplesize)*p_factor,p_set ;make readable
		slt.ab #(critical+1),p_set ;if more than 3 losses, switch
		jmp p_stay,>3000	;don't change strategy
		
		seq.ab #0,p_decide	;change strategy
		mov.a #0,p_new		;!0 = strategy 1
p_new		stp.a #1,p_ptr		;0 = strategy 2

		ldp.ab p_ptr,p_decide	;reload strategy
p_stay		stp.ab #p_init+1,p_ptr		;reset track
		jmp p_erase,>2000			

;start here

start		ldp.ab #0,p_table	;load results of previous fight
p_set		ldp.b p_ptr,#0		;load track
		add.ab @p_table,p_set ;update track
p_decide        ldp.ab p_ptr,#0		;load strategy

		slt.b p_set,#p_init+(samplesize)*p_factor ;if 9 rounds, new decision
		jmp p_switch,>1000 	

		stp.b p_set,p_ptr

p_erase		mov.i #0,p_ptr		;erase p-ptrs

		jmz.b strategy2,p_decide
		
;boot strategy 1: self justice (anti-clear stone)
		
		mov.f #0,bsource	;init boot pointer
		mov.a #booptr+stshift-30+jstep,booptr

		mov.i jsplit,*booptr	 ;crucial spl		
		mov.i {bsource,<booptr
stlaunch z for 8			;jump here to boot blue torch
		mov.i {bsource,<booptr
rof		
		spl @booptr
		mov.i #0,booptr
		dat >2001,>3002

;boot strategy 2: blue candle (0.75c stone + spiral)

strategy2	spl stlaunch,>2001	;start here
for 8
		mov.i <bsource,{booptr
rof
		spl @booptr,>4003	;put a second processes into stone!
booptr		jmp spshift,stshift	;start spiral
		

; ************* blue torch ************
	
steps		spl #2*step,>-step 	;doubles as bomb
loop		add.x steps,ptr		
ptr		mov.i >ptr+magic*step,@hit+step
		mov.i steps,@ptr
hit		djn.f loop, <gate	;bombed with spl 
		mov.i bomb,>clptr
		djn.f -1,{clptr
bomb		dat #-1,<bomb-clptr+2	;bomb for clear

; ************ binspiral *************

		spl #-1000,>2000	;bombed after 15 process
		spl 4,>-1		;spiral has been created
		spl 2,}j3
j1		jmp imp-1,}0
j2		jmp imp+istep-1,}0
		nop }j1,}j2
j3		jmp imp+2*istep-1,}0
imp		mov.i #istep,istep

; ********* self justice *********
; 0.5c bomber with anti-clear bombs (inspired by Beppe Bezzi)
; spl must be booted to jhit+jstep

jsplit		spl #0,>2660
jptr		mov.i jbomb,*jhit+3*jstep
		mov.i jbomb,@jptr
jhit		add.ab #2*jstep,jptr
		djn.f jptr,<-5000
		mov.i jcb,>jcptr
		djn.f -1,{jcptr
jcb		dat #-1,<jcb-jcptr+20
jbomb		mov.i jstep,1

bsource		dat bomb+1,imp+1	;bootptr, default boot blue candle
	
for MAXLENGTH-CURLINE
		dat 0,0
rof

		end start

______________________________________________________________________________
Questions?  Concerns?  Comments?  Complaints?  Mail them to people who care.
authors: Beppe Bezzi <bezzi@nemo.it> or Myer Bremer <bremermr@ecn.purdue.edu>
2002-2005 corewar.info. Logo C. Schmidt