An effective two-level proof-number search algorithm

被引：9
|
作者：
Winands, MHM [1 ]
Uiterwijk, JWHM [1 ]
van den Herik, HJ [1 ]
机构：
[1] Univ Maastricht, Inst Knowledge & Agent Technol, Dept Comp Sci, NL-6200 MD Maastricht, Netherlands
来源：
THEORETICAL COMPUTER SCIENCE | 2004年 / 313卷 / 03期
关键词：
proof-number search; PDS; two-level search; lines of action;
D O I：
10.1016/j.tcs.2002.10.006
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The paper presents a new proof-number (PN) search algorithm, called PDS-PN. It is a two-level search (like PN2), which performs at the first level a depth-first proof-number and disproof-number search (PDS), and at the second level a best-first FIN search. Hence, PDS-PN selectively exploits the power of both PN2 and PDS. Experiments in the domain of Lines of Action are performed. They show that within an acceptable time frame PDS-PN is more effective for really hard endgame positions than alphabeta and any other PN-search algorithm. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：511 / 525
页数：15
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