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Created page with "'''Home * Chess * Moves * Threat Move''' The '''Threat Move''' is a quite general term in chess or computer chess, since any forced Tactical Moves|tac..."
'''[[Main Page|Home]] * [[Chess]] * [[Moves]] * Threat Move'''
The '''Threat Move''' is a quite general term in chess or computer chess, since any forced [[Tactical Moves|tactical]] or attacking move might be considered a threat move. Anyway, it seems the term is usually related to [[Null Move Pruning|null move pruning]], and refers to a move which refutes a [[Null Move|null move]] by a considerable [[Fail-Soft|fail-soft]] margin. It might be used along the [[Killer Heuristic]] to refute [[Sibling Node|siblings]] of the child node below the null move. Beside [[Move Ordering|move ordering]] issues, [[Null Move Pruning#ThreatDetection|threat move detection]] might enable or trigger [[Extensions|extensions]], for instance [[Mate Threat Extensions|mate threat extensions]] or the [[Botvinnik-Markoff Extension|Botvinnik-Markoff extension]].
=See also=
* [[Botvinnik-Markoff Extension]]
* [[Hash Move]]
* [[Killer Heuristic]]
* [[Killer Move]]
* [[Mate Killers]]
* [[Mater#MaterII|Mater II]]
* [[Mate Threat Extensions]]
* [[Move Ordering]]
* [[Null Move]]
* [[PV-Move]]
* [[Null Move Pruning#ThreatDetection|Threat Detection]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=318833 The "same threat extension" as effective way to resolve horizon problem] by [[Sergei Markoff]], [[CCC]], October 01, 2003 » [[Botvinnik-Markoff Extension]]
* [https://www.stmintz.com/ccc/index.php?id=319187 a question to Tord about detecting threats in null move] by [[Uri Blass]], [[CCC]], October 03, 2003 » [[Null Move Pruning#ThreatDetection|Threat Detection]]
* [http://www.talkchess.com/forum/viewtopic.php?t=65121 Threat detection] by [[Harm Geert Muller]], [[CCC]], September 09, 2017 » [[Null Move Pruning#ThreatDetection|Threat Detection]]
'''[[Moves|Up one Level]]'''
The '''Threat Move''' is a quite general term in chess or computer chess, since any forced [[Tactical Moves|tactical]] or attacking move might be considered a threat move. Anyway, it seems the term is usually related to [[Null Move Pruning|null move pruning]], and refers to a move which refutes a [[Null Move|null move]] by a considerable [[Fail-Soft|fail-soft]] margin. It might be used along the [[Killer Heuristic]] to refute [[Sibling Node|siblings]] of the child node below the null move. Beside [[Move Ordering|move ordering]] issues, [[Null Move Pruning#ThreatDetection|threat move detection]] might enable or trigger [[Extensions|extensions]], for instance [[Mate Threat Extensions|mate threat extensions]] or the [[Botvinnik-Markoff Extension|Botvinnik-Markoff extension]].
=See also=
* [[Botvinnik-Markoff Extension]]
* [[Hash Move]]
* [[Killer Heuristic]]
* [[Killer Move]]
* [[Mate Killers]]
* [[Mater#MaterII|Mater II]]
* [[Mate Threat Extensions]]
* [[Move Ordering]]
* [[Null Move]]
* [[PV-Move]]
* [[Null Move Pruning#ThreatDetection|Threat Detection]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=318833 The "same threat extension" as effective way to resolve horizon problem] by [[Sergei Markoff]], [[CCC]], October 01, 2003 » [[Botvinnik-Markoff Extension]]
* [https://www.stmintz.com/ccc/index.php?id=319187 a question to Tord about detecting threats in null move] by [[Uri Blass]], [[CCC]], October 03, 2003 » [[Null Move Pruning#ThreatDetection|Threat Detection]]
* [http://www.talkchess.com/forum/viewtopic.php?t=65121 Threat detection] by [[Harm Geert Muller]], [[CCC]], September 09, 2017 » [[Null Move Pruning#ThreatDetection|Threat Detection]]
'''[[Moves|Up one Level]]'''
