Author: Ed Schröder
Date: 15:58:19 07/23/03
Go up one level in this thread
On July 23, 2003 at 16:35:46, F. Huber wrote: >On July 23, 2003 at 15:11:08, David Dahlem wrote: > >>I'm interested in trying my hand at creating a personality for the new Windows >>version of Rebel 12. Where can i find documentation for the various parameters >>in the .eng files? >> >>Thanks >>Dave > >Hi Dave, > >I don´t know if you still have the documentation (readme.txt) of the >DOS-Rebel12-Beta, in which all those engine-parameters are described. > >Since the final DOS-version doesn´t include this information any longer, >here are these parts - ok, not especially for the Windows version, >but better than nothing. ;-) > >Best regards, >Franz. Franz, Much of the below list is not valid anymore, those who are interested can have an updated list (valid for Rebel12 DOS) by email, the address: matador@home.nl Ed > > REBEL 12 (undocumented engine features) > ======================================= > > For the connoisseurs among REBEL users there are a couple > engine features that are programmed but not fully tested > yet. These engine features may or may not increase REBEL's > playing strength. > > 1. The use of the E1-E7 parameter: > > Syntax: REBEL.EXE E4 > > - The "E?" parameter will force REBEL to store all its > evaluations into memory using the Zorbist hash table > method. It typically will make REBEL 5-7% faster. > > - The approach is similar to the use of the "W?" parameter > that hashes path's in the tree. > > > - You can define up to 128 Mb for the use of these > evaluation tables controlled by the "E" parameter. > > REBEL.EXE E1 use 2 Mb > REBEL.EXE E2 use 4 Mb > REBEL.EXE E3 use 8 Mb > REBEL.EXE E4 use 16 Mb > REBEL.EXE E5 use 32 Mb > REBEL.EXE E6 use 64 Mb > REBEL.EXE E7 use 128 Mb > > > [Extensions (remaining)= 3] Status > ============================= ====== > > B0-B3 : Maximum allowed recapture extensions 3 > BIT4 : .................................... > BIT5 : .................................... > BIT6 : .................................... > BIT7 : .................................... > BIT8 : .................................... > > > > [Extensions (checks)= 0] Status > ======================== ====== > > BIT0 : ................................. > BIT1 : ................................. > BIT2 : ................................. > BIT3 : ................................. > BIT4 : ................................. > BIT5 : ................................. > BIT6 : ................................. > BIT7 : ................................. > BIT8 : ................................. > > > > [Extensions (captures)= 0] STATUS > ========================== ====== > > BIT0 : ..................................... > BIT1 : ..................................... > BIT2 : ..................................... > BIT3 : ..................................... > BIT4 : ..................................... > BIT5 : ..................................... > BIT6 : ..................................... > BIT7 : ..................................... > BIT8 : ..................................... > > > > REBEL [MISC] options (01-16) STATUS > ==================== ====== > > [MISC-01] PLAUS - psz3=33 ook nullmoven don't use > [MISC-02] ........ - ...................... > [MISC-03] NULLMOVE - no extensions unclear > [MISC-04] WINDOW - 0.50 of 0.25 unclear > [MISC-05] WINDOW - 2 or 3 phases unclear > [MISC-06] WINDOW - zero width (j/n) unclear > [MISC-07] ........ - ...................... > [MISC-08] ........ - ...................... > > [MISC-09] ........ - ...................... > [MISC-10] ........ - ...................... > [MISC-11] NULLMOVE - Zero Width unclear > [MISC-12] TREE - Singular Extensions unclear > [MISC-13] ........ - ....................... > [MISC-14] WINDOW - Special setting A16/B64 unclear > [MISC-15] ........ - ....................... > [MISC-16] ........ - ....................... > > REBEL [MISC] options (17-32) STATUS > ==================== ====== > > [MISC-17] ........ - ....................... > [MISC-18] NOMATPOS - Old MD extensions to test > [MISC-19] ........ - ....................... > [MISC-20] ........ - ....................... > [MISC-21] LAZYEVAL - (WSLAG+1.00) (PSZ3+2.00) promising > [MISC-22] ........ - ....................... > [MISC-23] REDUCTION- if (verdiep[yp1]) no redu promising > [MISC-24] ........ - ....................... > > [MISC-25] PLAUS - PLW3 reduction in use > [MISC-26] REDUCTION- Reduce move only once promising > [MISC-27] ........ - ........................ > [MISC-28] ........ - ........................ > [MISC-29] ........ - ........................ > [MISC-30] ........ - ........................ > [MISC-31] ........ - ........................ > [MISC-32] VAO - Only one escape (via MPH) promising > > REBEL [MISC] options (32-48) STATUS > ==================== ====== > > [MISC-33] POSGEN - Advantage rule don't use > [MISC-34] VAO - Extend singular checks to test > [MISC-35] TR30 - Limit extensions don't use > [MISC-36] ........ - ...................... > [MISC-37] VAO - HKIL op HKIL extension in use > [MISC-38] POSHASH - Hashing positions don't use > [MISC-39] Nullmove - move ordering promising > [MISC-40] PLAUS - PLMAX-Z3 reduction in use > > [MISC-41] VAO - Reduce special (xy4) in use > [MISC-42] ZETIN - 1st check is extension checks-bit3 > [MISC-43] VAO - Takeback wp7/zp2 if z2/z5 BETA3.ENG > [MISC-44] VAO - Pendover (new way) ......... > [MISC-45] VAO - Takeback wp7/zp2 (bezet) ......... > [MISC-46] ZETIN - WP7/ZP2 ala Christophe BETA3.ENG > [MISC-47] POSGEN - King Safety extension captures-bit2 > [MISC-48] HAALOP - Quicksort als vb[z]<200 don't use > > REBEL [MISC] options (49-64) STATUS > ==================== ====== > > [MISC-49] TR50 - unsorted tree depth (2/3) promising > [MISC-50] - > [MISC-51] - > [MISC-52] - > [MISC-53] - > [MISC-54] - > [MISC-55] - > [MISC-56] - > > [MISC-57] - > [MISC-58] - > [MISC-59] - > [MISC-60] - > [MISC-61] - > [MISC-62] - > [MISC-63] - > [MISC-64] - > > REBEL other new engine options STATUS > ============================== ====== > >1.. [Bishop Mobility = 50] * Bishop Pair (50%) promising > > . Supported values: 10,15,20,25,30,40,50,60,70,75,80,90,100 > . Activates a new piece of chess knowledge for the bishop pair. > . Values that make sense 0-50 > > >2.. [Center Control = 200] unclear > > . The [Center Control] parameter is now flexible > . Supported values: 0-500 > . Values that make sense: 0-50 > . When activating this option realize it will slow > done the program with 7-8% because of the extra > chess knowledge. > > > >3.. [EVALUATION = SMART] in use > > . Aggressive evaluation. > > >4.. [Right to Move = 100] to test > > . Supported values: 0-500 > . Values that make sense: 0-150 > . Bonus for the side to move > > >5.. [Strong Squares = 200] to test > > . Flexible evaluation strong squares (outposts) > . Supported values: 0-500 > . Values that make sense: 0-250
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