<s>
Mephisto	B-General_Concept
was	O
a	O
line	O
of	O
chess	B-Application
computers	I-Application
sold	O
by	O
Hegener	B-General_Concept
&	I-General_Concept
Glaser	I-General_Concept
(	O
H+G	O
)	O
.	O
</s>
<s>
Its	O
strongest	O
software	O
was	O
written	O
by	O
Richard	O
Lang	O
,	O
who	O
later	O
ported	O
it	O
to	O
personal	O
computers	O
as	O
Psion	O
and	O
ChessGenius	B-Application
.	O
</s>
<s>
Lang	O
's	O
Mephisto	B-General_Concept
programs	O
won	O
six	O
World	O
Computer	B-Application
Chess	I-Application
Championships	O
(	O
WCCC	O
)	O
from	O
1984	O
to	O
1990	O
.	O
</s>
<s>
H&G	O
also	O
sold	O
engines	O
licensed	O
from	O
Johan	O
de	O
Koning	O
,	O
Ed	B-Application
Schröder	I-Application
,	O
and	O
Frans	O
Morsch	O
.	O
</s>
<s>
Different	O
models	O
used	O
different	O
8-bit	O
,	O
16-bit	B-Device
and	O
32-bit	O
processors	B-General_Concept
,	O
including	O
MOS	B-General_Concept
Technology	I-General_Concept
6502	I-General_Concept
,	O
Motorola	B-Device
68HC05	I-Device
,	O
Motorola	B-Device
68000	I-Device
and	O
others	O
.	O
</s>
<s>
Hegener	B-General_Concept
&	I-General_Concept
Glaser	I-General_Concept
and	O
its	O
Mephisto	B-General_Concept
brand	O
were	O
bought	O
in	O
1994	O
by	O
Saitek	O
.	O
</s>
<s>
Their	O
computers	O
currently	O
sold	O
under	O
the	O
Mephisto	B-General_Concept
brand	O
use	O
programs	O
written	O
by	O
Frans	O
Morsch	O
.	O
</s>
<s>
1980	O
the	O
"	O
Mephisto	B-General_Concept
"	O
Tradename	O
was	O
created	O
,	O
nicknamed	O
Brikett	O
(	O
German	O
for	O
briquette	O
)	O
—	O
the	O
first	O
German	O
Chess	B-Application
Computer	I-Application
—	O
programmed	O
by	O
Thomas	O
Nietsche	O
and	O
Elmar	O
Henne	O
,	O
appeared	O
in	O
stores	O
.	O
</s>
<s>
1984	O
with	O
Richard	O
Lang	O
and	O
his	O
Psion	O
chess	B-Application
(	O
Winner	O
of	O
World	O
Microcomputer	O
Chess	B-Application
Championship	O
1984	O
in	O
Glasgow	O
)	O
began	O
a	O
long	O
series	O
of	O
World	O
Championship	O
successes	O
.	O
</s>
<s>
1990	O
the	O
market	O
for	O
high-priced	O
chess	B-Application
computers	I-Application
collapses	O
.	O
</s>
<s>
The	O
cause	O
is	O
the	O
growth	O
of	O
high-performance	O
486	B-General_Concept
PCs	O
and	O
the	O
availability	O
of	O
newly	O
developed	O
low-cost	O
strong	O
chess	B-Application
software	I-Application
for	O
PCs	O
.	O
</s>
<s>
1992	O
Ed	B-Application
Schröder	I-Application
wins	O
with	O
Gideon	B-Application
3.1	O
(	O
later	O
sold	O
as	O
Mephisto	B-General_Concept
Risc	O
2	O
)	O
the	O
open	O
7	O
.	O
</s>
<s>
2005	O
Phoenix	O
Chess	B-Application
Systems	O
releases	O
the	O
Resurrection	O
module	O
for	O
existing	O
Mephisto	B-General_Concept
modular	O
boards	O
.	O
</s>
<s>
The	O
hardware	O
uses	O
a	O
200MHz	O
ARM	B-Architecture
processor	I-Architecture
to	O
run	O
modern	O
chess	B-Application
engines	I-Application
,	O
resulting	O
in	O
the	O
strongest	O
dedicated	O
chess	B-Application
computer	I-Application
ever	O
created	O
.	O
</s>
<s>
2007	O
Phoenix	O
Chess	B-Application
Systems	O
releases	O
an	O
updated	O
module	O
set	O
,	O
the	O
Resurrection	O
II	O
,	O
with	O
a	O
faster	O
500MHz	O
XScale	B-Application
processor	O
.	O
</s>
<s>
Mephisto	B-General_Concept
sold	O
limited	O
edition	O
versions	O
of	O
Lang	O
's	O
championship	O
winning	O
programs	O
in	O
dedicated	O
boards	O
with	O
upgraded	O
processors	B-General_Concept
,	O
cooling	O
,	O
and	O
memory	O
,	O
similar	O
to	O
the	O
hardware	O
used	O
in	O
the	O
championship	O
tournaments	O
.	O
</s>
