Home * Engines * LittleThought

a free UCI compatible chess engine by Nathan Thom, able to play Chess960. LittleThought uses a rotated bitboard based, fully incremental move generator, and applies a PVS based alpha-beta search with several tree shaping and pruning routines, such as singular extensions, late move reductions, and null move pruning, and 4-way probe transposition table with other smaller hash tables for caching calculations of pawns, materials, and evaluation. The killer- and history heuristic as well just in case IID improve move ordering. Up to 8 threads are supported for a YBWC based parallel search [1]. So far, LittleThought played the NC3 2006 Australasian National Computer Chess Championship.
Little thought No. 2 [2]

Selected Games

NC3 2006, round 4, LittleThought - Fencer [3]
[Event "NC3 2006"]
[Site "RedHill, Canberra, Australia"]
[Date "2006.08.20"]
[Round "4"]
[White "LittleThought"]
[Black "Fencer"]
[Result "1-0"]
1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nf3 e6 5.a3 Bd7 6.Nc3 Qa5 7.Bd2 Qf5 8.Nb5 
Rc8 9.Bd3 Qg4 10.h3 Qh5 11.g4 Qd5 12.c4 Ne5 13.Nxc7+ Rxc7 14.cxd5 Nxd3+ 
15.Kf1 Nxb2 16.Qb3 Nc4 17.Bf4 Na5 18.Qb1 Rc4 19.Ne5 b6 20.Nxd7 Kxd7 21.Qb5+
Kd8 22.Bb8 Rc3 23.Bxa7 Nc4 24.Bxb6+ Nxb6 25.Qxb6+ Kd7 26.Re1 Bd6 27.Qb5+ 
Ke7 28.dxe6 fxe6 29.Qf5 e5 30.dxe5 Bxa3 31.Qg5+ 1-0

See also

Forum Posts

External Links


  1. ^ LittleThought Chess Software
  2. ^ Little thought No. 2 detail by Qiangli Liang, from Little thought No. 2, Qiangli Liang (2005) detail | Flickr - Fotosharing! by Marjolein Benard
  3. ^ NC3 2006 - Final Standing 2006 Games

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