Hamsters, an UCI compliant multi-hamster chess engine by Alessandro Scotti with the goal of a program that has a full-featured and correct implementation of the UCI protocol, and that is able to play standard chess as well as Chess960. It applies a parallel search utilizing up to 8 threads. Binaries are available for Windows and Mac OS X [1]. Hamsters played the CIPS 2007, and was runner-up behind Delfi at the CCC 2008.
Hamster Egbert [2]

Selected Games

[Event "Chess Computer Cup 2008"]
[Site "Turin"]
[Date "2008.12.06"]
[Round "3"]
[White "Hamsters, 0.7.1."]
[Black "Chiron, v0.8.7"]
[Result "1-0"]
 
1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 a6 8.Qb3 b5 
9.e5 Nfd7 10.e6 fxe6 11.Qxe6+ Kh8 12.Qe4 Nb6 13.Qh4 Nc6 14.Bd3 Bf5 15.Ng5 h5 
16.Bxf5 Rxf5 17.Be3 Bxd4 18.g4 Bxc3+ 19.bxc3 Qd5 20.O-O Qc4 21.f4 Rf6 22.gxh5 
Kg7 23.hxg6 Rh8 24.Qg3 Nd5 25.Rae1 e6 26.Bc1 Nd8 27.Rf2 Qxc3 28.Rg2 Qxg3 
29.Rxg3 Rh6 30.Bb2 Rhxg6 31.Nxe6+ Nxe6 32.Bxf6+ Kxf6 33.Rxg6+ Kxg6 34.Rxe6+ 
Kf7 35.Rc6 b4 36.Rxa6 Ke7 37.f5 Nb6 38.Ra5 Nd7 39.h4 Nf6 40.Ra6 Nh5 41.Kf2 
Kd7 42.Kf3 c6 43.Kg4 Nf6+ 44.Kg5 Ne4+ 45.Kg6 Nc5 46.Ra7+ Kd6 47.h5 b3 48.axb3 
Nd3 49.h6 Kc5 50.h7 Nf4+ 51.Kg5 Nh3+ 52.Kh4 Nf4 53.h8=Q Nd5 54.Ra4 Kd6 55.Qb8+
Ke7 56.Qe5+ Kf7 57.Ra7+ Nc7 58.Rxc7+ Kf8 59.Qh8# 1-0

See also

• Gerbil
• Kiwi
• Mammal
• Rodent
• Sungorus

Forum Posts

2007

• Hamsters 0.3 beta 3: HUMAN testers needed! by Alessandro Scotti, CCC, April 30, 2007
• Hamsters 0.3 : 2418 by Patrick Buchmann, CCC, May 08, 2007
• Hamsters randomizer in action by Alessandro Scotti, CCC, June 03, 2007
• An interesting bug in Hamsters by Alessandro Scotti, CCC, August 02, 2007 » Pawn Hash Table
• Hamsters 0.4 is out by Alessandro Scotti, CCC, August 05, 2007
• Hamsters CCRL rating by Uri Blass, CCC, August 30, 2007
• Hamsters 0.5 released by Alessandro Scotti, CCC, September 18, 2007
• Hamsters 0.5 : 2450 by Patrick Buchmann, CCC, September 19, 2007
• Hamsters 0.6 released by Alessandro Scotti, CCC, December 07, 2007
• LMR: history or not? by Alessandro Scotti, CCC, December 13, 2007 » Late Move Reductions

2008

• Hamsters 0.6 - 2665 in CCRL 40/4 blitz by Kirill Kryukov, CCC, January 26, 2008
• Hamsters 0.7 released by Alessandro Scotti, CCC, September 12, 2008
• Hamsters 0.7 : 2507 by Patrick Buchmann, CCC, September 14, 2008
• Hamsters 0.7.1 released by Alessandro Scotti, CCC, November 06, 2008
• Hamsters 0.7.1 : 2510 by Patrick Buchmann, CCC, November 08, 2008

External Links

Chess Engine

• Hamsters Homepage by Alessandro Scotti
  Hamsters - The story (part 1)
• Hamsters 0.6 in KCEC
• Hamsters 0.7.1 2CPU in CCRL 40/4

Misc

• Hamster from Wikipedia
• Hamster racing from Wikipedia
• Hamster wheel from Wikipedia

References

1. ^ Hamsters Homepage
2. ^ A short-haired hamster (named "Egbert") sitting in its owner's hand and eating a piece of carrot, Photo by Keith Pomakis on July 27, 2003, Hamster from Wikipedia
3. ^ Chess Computer Cup 2008 (PGN)

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