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by Look
Tue Apr 14, 2020 8:45 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Compiler Optimization Question
Replies: 27
Views: 1965

Re: Compiler Optimization Question

Michael Sherwin wrote: ↑
Sun Apr 12, 2020 11:11 pm
 A really large function has many local variables and accesses many global variables.
[...]

I recommend breaking a large function into smaller ones. Each new function doing what it's name suggests. You should not use a function that has many arguments.
by Look
Sun Mar 01, 2020 1:22 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: XBoard: C11 and more warnings
Replies: 2
Views: 803

Re: XBoard: C11 and more warnings

I added code like this , is it OK ?

Code: Select all

[...]
#if defined __STDC__

struct timezone {
    int tz_minuteswest;
    int tz_dsttime;
};
#endif /* __STDC__ */
[...]
by Look
Sat Feb 29, 2020 1:31 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: XBoard: C11 and more warnings
Replies: 2
Views: 803

XBoard: C11 and more warnings

Hi, I changed CFLAGS to following in XBoard Makefile (any better way?). Now there seems to be some problems with timeZone. CFLAGS = -std=c11 -Wall -Wextra -pedantic Note that I used -Weverything but I removed this since it produced massive number of warnings. Now: #if HAVE_GETTIMEOFDAY #include <sys...
by Look
Sun Jan 26, 2020 5:05 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

The tournament is finished. Caruana won the event scoring 10/13. Firouzja is placed 9th scoring 6.5/13 . Full table is here .
by Look
Fri Jan 24, 2020 5:31 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Round 11. Firouzja lost to Anand. Playing against elites for first times is not easy. r3k2r/ppb2ppp/2b1p3/2P1n3/1PP1N3/P4B2/1B4PP/R3K2R w KQkq - 0 17 Castle queenside was played. But Rd1 might have been an alternative. White king may go to e2 or f2 if required. r3k2r/pp4pp/2b1pp2/2P5/1PP1Nb2/P4P2/1B...
by Look
Wed Jan 22, 2020 5:34 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Round 10 : Caruana-Firouzja 3r2k1/p4p1p/1p2nqp1/1Brp4/PN3p2/7P/1P1Q4/1K1R1R2 b - - 0 27 Black plays ... d4 . The plan to push pawns forward in the middle-game is wrong as it weakens black's king. Black may wait for end-game to use his king supporting pawn pushes. One alternative is ... Kg7 . 3r2k1/p...
by Look
Wed Jan 22, 2020 3:21 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Chessqueen wrote: ↑
Tue Jan 21, 2020 6:27 pm
 Did Firouzja lost on time to Carlsen ?
Chessbase article says Firouzja resigned.
by Look
Tue Jan 21, 2020 5:09 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Round 9 Firouzja-Carlsen : rn1qrbk1/1bp2p1p/p2p1np1/1p2p3/3PP3/P1P2N1P/1PBN1PP1/R1BQR1K1 w - - 0 14 The move d5 was played. Early release of tension. Giving c5 to black's knight. One alternative is b4 . r1r2bk1/2q2p1p/b1pp1np1/p1nPp3/P1P1P3/4NN1P/R1B2PP1/2BQR1K1 w - - 0 22 Game move was ... Nc5 . At...
by Look
Sun Jan 19, 2020 4:28 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Game Round 8 Van Foreest-Firouzja Ended in a draw. Using the new released Stockfish 11 some alternatives: r1bqkbr1/1p2pp1p/p2p2p1/3Nn1P1/3QP2P/8/PPP2P2/R1BK1BR1 b q - 0 12 Firouzja played ... Be6 . Alternative is ... Bg7. 1r2kbr1/1p2pp1p/pNnpb1p1/6P1/4PP1P/8/PPP5/R1BK1BR1 b - - 0 16 Firouzja played ...
by Look
Fri Jan 17, 2020 4:26 pm
Forum: Chess Players Forum
Topic: Tata Steel 2020
Replies: 13
Views: 4497

Re: Tata Steel 2020

Round 6: Yu Yangyi-Firouzja 2rq1rk1/1p1nbpp1/p2p3p/P2Ppb2/1PP5/4B3/3NBPPP/2RQ1RK1 b - - 0 17 Black played ... Nf6. Aiming at ... Ng4 and consequently gaining a bishop pair advantage. But this maneuver weakens c5 square and takes time as white can counter in the queen-side. Black has choices includin...

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