Updates for all Loop Users until December 2007
Magic Loop Bitboards	Improved performance due to further optimizations for 64-bit hardware. More efficient determination of attacks and threats.
Sequential Search	Selective techniques for reduction of branching factor. Focused selection and extension of principal variations.
Parallel Search	Higher performance parallel search due to non-redundant search with parallel processes and threads. Minimal synchronisation overhead in parallel mode.
Chess Knowledge	Exact king attack patterns and extensive chess knowledge for endgames. Scalable and more agressive piece evaluation.
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Overview of all Current Loop 2007 Versions
Version	32-Bit	64-Bit	Threads	Processes	MultiPV
Loop 13.5	yes	yes	1-2	no	no
Loop 13.6	yes	yes	1-4	no	1-16
Loop M1-T	no	yes	1-4	no	no
Loop M1-P	no	yes	no	1-4	no
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License Key for Unlimited Private Use

There is no need for activation of LOOP. The unique License Key is included in every engine. You only need to install the engine on a UCI compatible GUI.

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Copyright © 2007 LOOP Chess Team.

Last Updated: June 2007