Download Firebird 1.2

bitboards
true SMP parallel search
analysis mode
ponder
configurable pawn hash
searchmoves
multiPV
multiCentiPawnPV
Hyatt Hash
perft, benchmark, and drawboard utilites
validate functions (debug)
multi pos gain (for each CPU/core/thread)
multi history (for each CPU/core/thread)

1.0
several minor bugs fixed:
no longer occasionally displays score of 0.01
no longer drops a thread after ~16 hours in analysis mode
engine now initializes at 128 Mb hash
movelists enlarged to accommodate really long games
pawn hash set to 32 Mb by default
improved time management

1.01
(maintenance release)
bug fix:
major changes to SMP (to prevent occasional exception error/timeout)
changes to NMR Smooth Scaling
Null Move verification default = true
verification reduction default = 7
GetNumberOfConsoleInputEvents ->_kbhit

1.1
support for RobboTripleBases and RobboTotalBases added
reads firebird.cfg parameters file on startup
writes (optional) time-stamped I/O log file
NMR Smooth Scaling now 'off' by default

1.2
SMP improvements/changes
major RobboTripleBase bug fix
support for new RobboTriple/Total Blocked (Z) bases added
improved hash functions
UCI options added: UCI_AnalyseMode, CPU Load Info, Current Move, Depth Info, Hash Full Info, TB Hits Info, Time Info
UCI options removed: Analysis Mode, Extra Info, Multi History, Multi Positional Gain
NMR Smooth Scaling renamed NMR Scaling
(Null Move Reduction Scaling)

Pawn Value
Knight Value
Bishop Value
Rook Value
Queen Value
Bishop Pair Value
Null Move Verification
Verification Reduction
Extra Info
Get FEN
Analysis (Fritz) Mode
Move on Ponderhit (Never, Sometimes, Always)
NMR Smooth Scaling (Null Move Reduction Smooth Scaling)