Variations

Forum Archive : Variations

 
Gabgammon

From:   jckz
Address:   gs788@yahoo.com
Date:   27 October 2005
Subject:   Luckless Backgammon
Forum:   rec.games.backgammon
Google:   1130419766.545379.9060@z14g2000cwz.googlegroups.com

I invented lately a variant of backgammon that completely excludes the
luck component. It is a quite satisfying game. It can be played on a
computer, as detailed below, or between two human players, although
games sometimes tend to be long and frustrating. It also has a
drawback--since it is a deterministic game, some winning sequences are
easily memorized, so it wears itself out after playing a few games.

I call the variant Gabgammon, and its rules are as follows:
1. The game is basically regular backgammon, with the following
exceptions.
2. Only 1-point games are played. The doubling cube is not used, and
there are no gammons or backgammons.
3. The players do not roll any dice. Instead, the dice always have a
constant value of 3-4.

I successfully played Gabgammon using the computer software Gnubg,
which allows dice to be read from a file. I prepared a long text file
with the values 3 and 4, and configured Gnubg to play 1-point matches
using the values from that file. Interestingly, during the first games
Gnubg made pretty well, and only after a couple of games I started to
get hold of some winning tricks.

It is of course possible to play Gabgammon not only with 3-4 but with
any other of 14 possible dice values. However, most combinations are
futile and lead to trivial games. Only the combination of 3-4 leads to
complex positions and can hold for more than a couple of games. Try it
and enjoy.
 
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Variations

Acey-deucy  (J. Nagel, Dec 2004) 
Acey-deucy  (Steve Ewert, June 1998) 
Acey-deucy  (Lee+, Jan 1997) 
Acey-deucy  (John David Galt+, Dec 1995) 
Acey-deucy  (James Eibisch, Apr 1995) 
Backwards play  (Colin Bell+, Feb 1996) 
Bad advice  (Jason Lee+, Mar 2004)  [GammOnLine forum]
Best-of-n variant of match play  (Tim Chow+, Feb 2009) 
Bluff Cube  (Timothy Chow+, Dec 2012) 
BluffGammon  (Christian Munk-Christensen, June 2009) 
Cancelgammon  (Ilia Guzei+, Mar 2004)  [GammOnLine forum]
Domino backgammon  (Laury Chizlett, Sept 1999) 
Duodecagammon  (David Moeser, Dec 2000) 
Duplicate backgammon  (Dean Gay+, Jan 1997) 
Duplicate backgammon  (Albert Steg, Feb 1996) 
Exact bearoff  (Chris Moellering+, Dec 2002) 
Fevga  (George, Sept 2004) 
Fevga (or Moultezim)  (Igor Sheyn+, May 1995) 
Freeze-out match  (Dave Brotherton, July 1998) 
Gabgammon  (jckz, Oct 2005) 
Greek backgammon  (Alexandre Charitopoulos, Aug 2003) 
Greek backgammon  (Alexandros Chatzipetros, June 1997) 
Greek backgammon  (Marc Jacobs+, Feb 1994) 
Hit man  (Matt Reklaitis, Jan 2004)  [GammOnLine forum]
Hyper backgammon  (Gregg Cattanach+, Dec 2000) 
Hyper backgammon  (Michael A Urban, Oct 1993) 
International backgammon  (Bob Lancaster+, Oct 2002) 
Jacquet  (Mark Driver, June 2001) 
Joker cube  (Joe Russell+, May 2011) 
Khachapuri  (Michael Petch+, Sept 2010) 
Kleinman's tandem backgammon  (Fabrice Liardet+, May 2010) 
LongRun  (Bill Hickey, Mar 2010) 
Longgammon  (Michael Strato, Dec 2000) 
Low number first, fixed dice, others.  (Walter Trice, Jan 1997) 
Mexican  (Tom Henry, Apr 1997) 
Middle Eastern backgammon  (Alan Cairns, Mar 2002) 
Misere (backgammon to lose)  (Jason Lee+, July 2004)  [GammOnLine forum]
Misere (backgammon to lose)  (Jason Lee+, Apr 1995) 
Misere, Chase, Skewed dice  (Stein Kulseth, Jan 1997) 
Nackgammon  (Ken Arnold, July 1996) 
Nackgammon Shuffle  (Stick, Sept 2011) 
Nackgammon opening moves  (Warwick+, Feb 2002) 
Narde  (narde, Nov 2006)  [Long message]
Nardi  (KL Gerber+, Nov 2002) 
No hit  (RedTop+, May 2004) 
Nuclear backgammon  (Walt Swan, Apr 1997) 
Old English  (Nick Wedd+, Feb 1996) 
One roll lookahead  (Stephen Turner, Mar 1997) 
Opening slot rule  (Gregg Cattanach, June 2006) 
Other variations  (Douglas Zare, Feb 2000) 
Plakoto  (Ed Dengler+, May 1995) 
Plakoto  (Pasteel M., Feb 1994) 
Plakoto express  (Athansios Vagias, Feb 2005) 
Portes  (George, Sept 2004) 
Roll-over  (Edward D. Collins, Oct 1997) 
Russian backgammon  (Daavid Turnbull, Aug 1991) 
SassanGammon  (Chiva Tafazzoli+, June 2009) 
Shesh Besh  (G.S., May 2003) 
Simborg Rule  (Scott+, Feb 2005)  [GammOnLine forum]
Slot backgammon  (Fabrice Liardet+, Aug 2008)  [GammOnLine forum]
Sudden death, Woodpecker, Gerhardsen  (Fredrik Dahl, Jan 1997) 
Tablestakes betting  (TrueMoneygames, June 2002) 
Takhteh  (Bruce Scott+, Mar 2003) 
Tandem Backgammon  (Mislav Kovacic, Feb 2012) 
Tavla  (Arda Findikoglu, Nov 2004) 
Tavla  (ucc02cx+, Feb 1997) 
Tavli (Portes, Plakoto, and Fevga)  (Jens Larsen, July 1997) 
Tavli question  (Brus+, Apr 2011) 
Tracy turn around  (Michael J. Zehr, Feb 1996) 
Tri-gammon  (Gregg Cattanach, Sept 2000) 
Trictrac  (David Levy+, May 1998) 
Trigammon  (James Eibisch, Jan 1997) 

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