Search found 209 matches

by Kotlov
Tue Aug 11, 2020 9:12 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Using piece-square table score for move ordering
Replies: 1
Views: 1365

Re: Using piece-square table score for move ordering

Я в свое время пробовал по-разному, но лучшие результаты все равно были у обычной эвристики истории. Дело в том, что наибольшее значение в альфа-бета поиске имеет не сколько порядок силы ходов по убыванию, а вероятность как можно раньше найти самый сильный ход который вызовет отсечку по бете. Эврист...
by Kotlov
Tue Aug 11, 2020 7:40 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Data structure choice for TT
Replies: 35
Views: 15777

Re: Data structure choice for TT

PS: The 64 bit random generator: typedef unsigned long long u64; typedef unsigned long u32; typedef int Move; #define LOW16(x) ((x) & 0xFFFF) #define LOW32(x) ((x) & 0xFFFFFFFF) static u32 r_x = 30903, r_y = 30903, r_z = 30903, r_w = 30903, r_carry = 0; u32 _rand_32() { r_x = LOW32(r_x * 69069 + 1)...
by Kotlov
Wed Jul 01, 2020 3:35 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: knodes/s halved after improving eval
Replies: 6
Views: 1385

Re: knodes/s halved after improving eval

brianr wrote:
Tue Jun 30, 2020 11:10 pm
Caution: Computer chess can become addicting.
confirm
by Kotlov
Tue Jun 09, 2020 10:18 am
Forum: Computer Chess Club: General Topics
Topic: Hedgehog
Replies: 52
Views: 15971

Re: Hedgehog

Eugene Kotlov Hedgehog 2.0 64-bit coming soon... Isn't it out? http://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Hedgehog%202.0%2064-bit#Hedgehog_2_0_64-bit Better late than never. :) I work on it. Complete refactoring, multithread, ...
by Kotlov
Fri Jun 05, 2020 8:18 am
Forum: Computer Chess Club: General Topics
Topic: Is there a name for this opening?
Replies: 13
Views: 2017

Re: Is there a name for this opening?


maybe you meant this?
by Kotlov
Sun Apr 19, 2020 3:01 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: The Raven And The Hedgehog
Replies: 7
Views: 981

Re: The Raven And The Hedgehog

Graham Banks wrote:
Sat Apr 18, 2020 11:54 pm
Congratulations to Eugene (Hedgehog author) for the tournament victory. :)

Thanks to all who took an interest.
The broadcast was very well supported.
Thx Gram!
by Kotlov
Thu Jan 16, 2020 9:06 am
Forum: Computer Chess Club: General Topics
Topic: Arena 3.9 beta for Linux
Replies: 34
Views: 8389

Re: Arena 3.9 beta for Linux

Canoike wrote:
Tue Jan 14, 2020 12:58 am
Maybe this is a bug about tournament.
I have a set of 12 EPD positions, each engine must play with white and black so this makes 24 games.
The problem is that after playing 2 games with the first position, it never goes to the next position, whatever the settings are.
confirm
by Kotlov
Sat Jan 11, 2020 1:14 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: 77th Amateur Series Division 9
Replies: 9
Views: 1361

Re: 77th Amateur Series Division 9

Graham Banks wrote:
Sat Jan 11, 2020 7:50 am
Congratulations to the three authors whose engines tied for top spot.
Thanx Gram for what you do!
by Kotlov
Tue Jan 07, 2020 8:00 pm
Forum: Computer Chess Club: General Topics
Topic: Elo - elo - ELO
Replies: 24
Views: 4125

Re: Elo - elo - ELO

Dann Corbit wrote:
Tue Jan 07, 2020 5:25 pm
Elo is Correct. ELO and elo are ignorance.
That having been said, I've probably made both mistakes.
It's like degrees Celsius. Would you write CELCIUS or celcius?
℃ the best choice ))

I propose "É" as symbol.
example +20É ))