Search found 5 matches

by OWL
Sun Mar 21, 2021 10:06 pm
Forum: Computer Chess Club: General Topics
Topic: A bomb ... I try to understand a long time, a Dragon move vs. Wasp!
Replies: 13
Views: 2652

Re: A bomb ... I try to understand a long time, a Dragon move vs. Wasp!

Well it is easy to say get pieces into the attack, but personally (2100 fide) Nf5 is one of the first moves to consider since it is a double attack on the queen and d6 pawn. However Qe5 is a very effective refutation, Qxe5 appears to yield little just bad bishop and no real future for the knight eit...
by OWL
Sun Feb 07, 2021 7:11 pm
Forum: Computer Chess Club: General Topics
Topic: Fascinating Study
Replies: 3
Views: 1132

Fascinating Study


Black to move and win, my computer does not find it! This from an analysis from a game.
by OWL
Fri Jan 15, 2021 7:13 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Question regarding data structures
Replies: 8
Views: 1952

Re: Question regarding data structures

Wow that is definitely a lot faster than my implementation, using static arrays and generating all moves at once I get 43000kn/s. Would you mind sharing how you have done it? I would be really interested in studying it. I used a static array where the first element stores the size of the array so th...
by OWL
Thu Jan 14, 2021 12:11 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Question regarding data structures
Replies: 8
Views: 1952

Question regarding data structures

Hi, I created a draughts engine in Java and for extra speed I want to rewrite it in C++. I just finished the first part of the move generator, but it is slower which is wierd to me. I store positions as bitboards and moves too, to make/unmake a move I XOR the 2 bitboard arrays together. In Java I us...
by OWL
Wed Jan 13, 2021 4:27 pm
Forum: Computer Chess Club: General Topics
Topic: positions when humans are stronger than engines
Replies: 18
Views: 4676

Re: positions when humans are stronger than engines

I think it is still a draw, so saying white can win is incorrect. If black just passes he cannot lose. Black has no weaknesses and he can just keep his pawns on the 7th