Search found 8134 matches

by Dann Corbit
Tue Jul 16, 2019 5:19 am
Forum: Computer Chess Club: General Topics
Topic: buying a new computer
Replies: 114
Views: 3490

Re: buying a new computer

Zenmastur wrote:
Tue Jul 16, 2019 1:51 am
My wife offered to take ANY interim system I build, including a Ryzen 3900X, as her new system. T
Every man should find such a wife as that.
;-)
by Dann Corbit
Mon Jul 15, 2019 8:24 pm
Forum: Computer Chess Club: General Topics
Topic: Leela outplays SF Dev in a position that SF evaluates as draw
Replies: 16
Views: 746

Re: Leela outplays SF Dev in a position that SF evaluates as draw

Sting did not find it: Searching: r4rk1/pp6/1bn1R2p/6pb/5p2/1NP2N1P/PP3PPB/3R2K1 b - - infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0 1 -0.97 00:00 88 Bxf3 2 -0.97 00:00 246 Bxf3 gxf3 3 -0.97 00:00 740 Bxf3 gxf3 Kg7 4 -0.61 00:00 2259 Rfd8 Rd6 Rxd6 Rxd6 5 -0.57 00:00 3437 Rad8 Rxd8 Rxd8 N...
by Dann Corbit
Mon Jul 15, 2019 8:08 pm
Forum: Computer Chess Club: General Topics
Topic: Analyze a position
Replies: 14
Views: 400

Re: Analyze a position

r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq - acd 36; acs 193; bm d5; c3 "d5"; ce -20; id "C.A.P. 443573"; pm d5; pv d5 Qc7 e4 Rd8 Re1 exd5 exd5+ Be7 Qe2 Nxd5 Bg5 f6 Bd2 O-O Nxd5 Bxd5 Qxe7 Qxe7 Rxe7 Bxf3 Ba5 Rd1+ Rxd1 Bxd1 Ra7 Re8 Rxa6 Re2 Bc3 b4 Bxb4 Rxb2 a3 Be2 h4 h5 Kh2 Kh7 Rd6 Rb3 ...
by Dann Corbit
Sat Jul 13, 2019 3:42 am
Forum: Computer Chess Club: General Topics
Topic: Ryzen 3000 series is out
Replies: 30
Views: 1478

Re: Threadripper issues

To Dann & mwyoung: Are you guys concerned about potential NUMA issues that have been raised about Threadripper with A/B engines like SF at https://www.tomshardware.com/news/amd-cpu-threadripper-2970wx-2920x,37895.html ? http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71256 The threadrippers alr...
by Dann Corbit
Fri Jul 12, 2019 11:09 pm
Forum: Computer Chess Club: General Topics
Topic: Any engines solve this one?
Replies: 23
Views: 830

Re: Any engines solve this one?

[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [FEN "r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - 0 1"] [Setup "1"] 1. Nd4 Qh5 2. g4 Qh4 3. Nf3 Qd8 4. Bxh7+ Kh8 5. c5 Bxc5 6. Ng5 Nc4 7. Ka1 Ba3 8. Rb1 Nxe5 9. Bg8 f5 10. Bxe6 Be7 11. Bxe...
by Dann Corbit
Fri Jul 12, 2019 11:05 pm
Forum: Computer Chess Club: General Topics
Topic: Any engines solve this one?
Replies: 23
Views: 830

Re: Any engines solve this one?

After 3. Nf3, there is a better defense for black than Qxg4 which is Qd8. So the more realistic plan is: r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4; acd 50; ce 413; pv Nd4 Qh5 g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Bxc5 Ng5 Nc4 Ka1 Ba3 Rb1 Nxe5 Bg8 f5 Bxe6 Be7 Bxe5 Bxg5 gxf5 Bxe6 fxe...
by Dann Corbit
Fri Jul 12, 2019 10:46 pm
Forum: Computer Chess Club: General Topics
Topic: Any engines solve this one?
Replies: 23
Views: 830

Re: Any engines solve this one?

r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4; acd 49; ce 889; pv Nd4 Qh5 g4 Qh4 Nf3 Qxg4 Rhg1 Qg6 Bxg6 fxg6 Rg4 Be7 Nh4 Bxh4 Rxh4 dxc4 Rd6 Bd7 Qd2 Ba4 Rxe6 Bd7 Qd6 Rad8 Bg5 Nc8 Qd5 Bc6 Qxc4 Bd5 Qc7 Bxe6 Bxd8 h6 f4 Rf7 Qb8 Rf8 Bc7 Nd6 Qxa7 Nb5 Qb6 Nxc7 Qxc7 g5 fxg5 hxg5 Ra4 ...
by Dann Corbit
Fri Jul 12, 2019 10:20 pm
Forum: Computer Chess Club: General Topics
Topic: Any engines solve this one?
Replies: 23
Views: 830

Re: Any engines solve this one?

The right score for this position with the right plan is about +900 at depth 40
by Dann Corbit
Fri Jul 12, 2019 7:34 pm
Forum: Computer Chess Club: General Topics
Topic: Ryzen 3000 series is out
Replies: 30
Views: 1478

Re: Ryzen 3000 series is out

Gian-Carlo Pascutto wrote:
Fri Jul 12, 2019 5:17 pm
AnandTech included SPECint2017 benchmarks, which include Deep Sjeng:

https://images.anandtech.com/graphs/gra ... 111160.png

The results were...surprisingly bad, i.e. clearly worse than Intel cores. I wonder why.
I guess they compiled for BMI, but SSE3 builds will be 25% faster.