sabato 11 giugno 2011

Motori di scacchi: per Unix usate Robbolito !


RobboLito is an extremely strong open-source UCI chess engine by:
Yakov Petrovich Golyadkin, Igor Igorovich Igoronov, and Roberto Pescatore

RobboLito is a UCI windows 'console' application, meaning that it has no GUI (graphical user interface). there are several free programs that provide a GUI, along with a rich set of user-friendly features. three of the most popular free GUIs are: winboard, chess-gui, and arena

RobboLito does not yet support: multiPV, own book, egbbs, tablebases, multiple CPUs/cores, or chess variants

~ 3300 ELO

RobboLito 0.085g3 w32

(optimized windows 32-bit executable and source code)

(optimized windows 32-bit executable - for older CPUs that don't support Intel SSE2 instruction set)

RobboLito 0.085g3_x64
(fast windows 64-bit PGO executable
compiled by peterpan)

RobboLito 0.085g3l_x86
(optimized linux 64-bit executable and source code
ported to linux by unisky)

RobboLito 0.09
(optimized windows 32-bit and 64-bit executables and source code)

has been completely translated from Italo-Albanian to English, and it does not include any of RobboLito's original tablebase code (v. 0.084). these tablebases are not needed, as RobboLito demonstrates extremely strong endgame play without them. the engine recognizes many draws and solves endgame positions that even Rybka 3 and other commercial programs miss.

RobboLito UCI Options:
MPH (Move on Ponderhit) -> Never, Sometimes, Always ...if predicted move is played by opponent, make move
default = 'Sometimes'...if move = EASY (i.e. when it's a no brainer!)
RobboLito is not a 'clone' of Rybka 3, as some may like you's very different.

please click here for a detailed comparision
there have been many RobboLito versions released which are not associated with the 'ChessLogik RobboLito' development effort, and have not been tested and released by myself (kranium). many of these versions are simply leaked betas, experimental tries, or rogue individual efforts. some have being incorrectly attributed to me.

some work fine, but others may crash or have bugs and/or other issues. for informational purposes and clarity...all (non-kranium versions) that i'm aware of are listed here:

RobboLito 0.084
RobboLito 0.085
RobboLito 0.085c
RobboLito 0.085c1
RobboLito 0.085c2
RobboLito 0.085c3
RobboLito 0.085
RobboLito 0.085
RobboLito 0.085f
RobboLito 0.085f1
RobboLito 0.085F1
RobboLito 0.085f1a
RobboLito 0.085d3t
RobboLito 0.085d8t
RobboLito 0.085TA01
RobboLito 0.085TA02
RobboLito 0.085TA03
RobboLito 0.085et4
RobboLito 0.085g4
RobboLito 0.085g5
RobboLito 0.085gt3
RobboLito 0.085gt3B
Tankist all versions

for a complete list of official stable/tested Chesslogik versions, see
the "detailed history/major changes" section below.
detailed history/major changes:

RobboLito 0.085g3
bishop/knight evaluation fix
ponder bug fixed
time management changes
BTF removed
code cleanup
code translation

RobboLito 0.085e4
TM reduced to OTM
OTF -> BTF (Blitz Time Factor)
exponential scale-factor replaces less efficient blitz if/else clause from e1

RobboLito 0.085e3
MOPH 'sometimes' bug fix

RobboLito 0.085e2
32-bit executable optimization
SSE2 enabled, floating point model -> fast
speed increase +10%
default time management improved
OTF default = 22

RobboLito 0.085e1
UCI Ponderhit Move -> Move on Ponderhit
is now combo box: Never, Sometimes, Always
Sometimes = default (if move is EASY, i.e. a recapture, etc.)
no longer loses lightning/blitz no increment games

RobboLito 0.085e
1st release of 'e' series, baseline version
will be starting point for multiPV and SMP implementation enhanced time management is 'on' by default (this seems to be a more conservative/safer TM than OTM)

RobboLito 0.085d12
OTM now 'really' true by default

RobboLito 0.085d11
OTM default
OTF default = 25

RobboLito 0.085d10
CPU load
time now uses timeGetTime()
upperbound/lowerbound info printing
pondering improved
UCI option for Move on Ponder Hit
Move on Ponder Hit -> Ponderhit Move
slight code re-organization

RobboLito 0.085d9
NTM (Normal Time Management) -> OTM (Original Time Management)
NTF (Normal Time Factor) -> OTF (Original Time Factor)
default OTF changed from 30 -> 22
enhanced time management algorithm updated
Igorovoich -> Igorovich
copyright updated -> 92nd and 93rd year

RobboLito 0.085d8
Ponder -> permanent brain
PR Ponder Ratio added
(default = 1.5)
MOPH UCI option removed

RobboLito 0.085d7
hanging 'mate' bug fixed
UCI boolean vars
NTM (Normal Time Management)
NTF (Normal Time Factor)
ETF/NTF default = 30

RobboLito 0.085d6
shredder gui compatibility
cleanup, bugfix
MOPH, ETM default = 'off
ETF default = 25

RobboLito 0.085d5
MOPH (Move on Ponderhit)
ETM (Enhanced Time Management)
ETF (Enhanced Time Factor)

RobboLito 0.085d4
name changed from RobboLite to RobboLito,
ponder implemented, time control improved
source code cleanup and translation improvements
date/time stamp added, robbo.txt removed, GPL added
default hash = 128 Mb

RobboLite 0.085d3
tournament time control fixed
UCI id var/version constant combined, robbo.txt changed

RobboLite 0.085d2
UCI info depth/timing changed, currmove delayed
robbo.txt implemented, white/black minors revalued

RobboLite 0.085c5
source code migrated to w32, cleanup, translation from
Italo-Albanian to common chess programming terms, robbobase code removed

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