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		TRACE, (Tracey & Ross' Australian Chess Engine) a free WinBoard compliant chess engine written by Ross Boyd in C. Its development started in November 2002 based on Tom Kerrigan's TSCP [1], and was first released in February 2003. TRACE uses standard techniques including iterative deepening, internal iterative deepening, aspiration windows, null move pruning, selective search extensions, a two-tier transposition table, pawn hash table, and 5 man Nalimov endgame tablebases. The evaluation function comprises of numerous evaluation terms, including mobility, king safety, knight outposts [2]. In 2006, along with some search, pruning and evaluation tweaks, late move reductions have been implemented [3].
TRACE image of the Sun [4] [5]

Tournaments

TRACE played four Australasian National Computer Chess Championships, where she was third at the NC3 2003, fourth at the NC3 2004, and two times runner-up in NC3 2005 and NC3 2006, where she was very close to win the tournament with draws from Bodo and KnightCap, but lost the last round from Chompster ^[6]. Further, TRACE played a strong CCT9 in 2007.

Selected Games

NC3 2006, round 2, TRACE - Warp ^[7]

[Event "NC3 2006"]
[Site "RedHill, Canberra, Australia"]
[Date "2006.08.20"]
[Round "2"]
[White "TRACE"]
[Black "Warp"]
[Result "1-0"]
 
1.Nf3 Nf6 2.d4 e6 3.c4 b6 4.g3 Ba6 5.Qb3 Nc6 6.Nbd2 Na5 7.Qc3 8.c5 Be7 
9.e3 Bxf1 10.Kxf1 Qd7 11.a4 Nc6 12.Ne5 Nxe5 13.dxe5 Ng4 14.c6 Qc8 15.h3 
Nh6 16.e4 Qa6+ 17.Kg2 Rd8 18.Nb3 dxe4 19.Bxh6 gxh6 20.Nd4 Bc5 21.Nb5 O-O 
22.Rhe1 Rd3 23.Qc4 Rd2 24.Re2 Qa5 25.Qxe4 Rc8 26.Qg4+ Kh8 27.Rxd2 Qxd2 
28.Qf3 Rf8 29.b3 Qb2 30.Rd1 Qc2 31.Rd7 Bxf2 32.Qc3 Qf5 33.Qd3 Qxd3 34.Rxd3 
Bc5 35.Rd7 a6 36.Nd6 cxd6 37.c7 Kg7 38.Rd8 d5 39.Rxf8 Bxf8 40.c8=Q a5 
41.h4 Bc5 42.Qd8 Be3 43.h5 Bd4 44.Qf6+ Kf8 45.Qxh6+ Ke7 46.Qf6+ Ke8  
1-0

See also

• Acronym
• Astronomy
• Logging

Forum Posts

• Rybka v TRACE 1.35..... 19.5 - 0.5 @ 1+1 bullet by Ross Boyd, CCC, December 05, 2005 » Rybka
• TRACE v Gerbil in Larsson EG suite 30-10 @ 40/1' by Ross Boyd, CCC, January 02, 2006 » Gerbil

External Links

Chess engine

• TRACE Home
  TRACE Version History
• NC3 2003 - List of Entries
• NC3 2004 - List of Entries
• NC3 2005 - List of Entries
• NC3 2006 - List of Entries
• Trace from WBEC Ridderkerk
• Trace 1.36 in CCRL 40/40
• Trace 1.37a in KCEC

Misc

• TRACE (Transition Region And Coronal Explorer) from Wikipedia
• Trade Reporting And Compliance Engine, from Wikipedia
• Trace (disambiguation) from Wikipedia
  Branch trace from Wikipedia
  Stack trace from Wikipedia » Stack
  Trace (psycholinguistics) from Wikipedia
• Tracer (disambiguation) from Wikipedia
• Tracing (disambiguation) from Wikipedia
  Tracing (software) from Wikipedia

References

1. ^ TRACE Home
2. ^ NC3 2003 - List of Entries
3. ^ NC3 2006 - List of Entries
4. ^ Example of solar coronal loops observed by the Transition Region And Coronal Explorer (TRACE), 171 Å filter. These loops have a temperature of approximately 106 K. These loops contrast greatly with the cool chromosphere below, NASA image
5. ^ A collection of TRACE images (24)
6. ^ NC3 2006 - Final Standing
7. ^ NC3 2006 - Final Standing - 2006 Games

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