Search found 1685 matches

by peter
Sun Mar 24, 2019 8:00 pm
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

Hi Louis! -2.13 1... Rg8 2. Bd1 g5 3. hxg5 Nxg5 4. Qd3 Nf6 5. Nxg5 Rxg5 6. Bf3 Bg4 7. Kf1 Qd7 8. bxa5 bxa5 9. c5 h4 10. Ke2 Nxe4 11. Qxe4 Bf5 12. Qc4 e4 13. Bc3+ Kh7 14. Kd2 Rxg2 15. Bxe4 f3+ 16. Kd1 Re8 17. Nxd6 cxd6 18. Rb7 Qxb7 19. Bxf5+ Kg8 20. Be6+ Kf8 21. c6 Qh7 22. c7 Rg1+ 23. Be1 Qh8 24. Rb...
by peter
Sat Mar 23, 2019 9:37 pm
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

Hi Louis! -2.13 1... Rg8 2. Bd1 g5 3. hxg5 Nxg5 4. Qd3 Nf6 5. Nxg5 Rxg5 6. Bf3 Bg4 7. Kf1 Qd7 8. bxa5 bxa5 9. c5 h4 10. Ke2 Nxe4 11. Qxe4 Bf5 12. Qc4 e4 13. Bc3+ Kh7 14. Kd2 Rxg2 15. Bxe4 f3+ 16. Kd1 Re8 17. Nxd6 cxd6 18. Rb7 Qxb7 19. Bxf5+ Kg8 20. Be6+ Kf8 21. c6 Qh7 22. c7 Rg1+ 23. Be1 Qh8 24. Rb1...
by peter
Sat Mar 23, 2019 12:03 pm
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

Following your line on Rg8 up to Bxd2, white's cxb6 could be a mistake because of Qxh4 immediately, even giving up the B at D2. [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [FEN "r1bq1r1k/2pn3n/1p1p2pb/pN1Pp2p/1PP1Pp1P/P4N2/2BBQPP1/RR4K1 b - - 0 1"] [S...
by peter
Sat Mar 23, 2019 8:35 am
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

Using your stored lines, I found two things of note: In this position, the opponent's move in your line is Bf1, but Bc2 is much stronger: 2b1n1r1/r3k3/1p6/3PP3/P1P2p2/3B1P1p/5K1R/R7 w - - acd 43; acs 1410; bm Bc2; c3 "Bf1"; ce -187; pm Bc2; pv Bc2; In this position, the opponent's move in your line...
by peter
Fri Mar 22, 2019 11:04 pm
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

I have these lines stored from latest thread (there was another one last year already, I think) and some analysis of mine: [Event "CCC"] [Site "?"] [Date "2018.10.10"] [Round "?"] [White "Any, Engine"] [Black "KHC, Andy"] [Result "*"] [Annotator "Martan,Peter"] [SetUp "1"] [FEN "r1bq1r1k/2pn3n/1p1p...
by peter
Thu Mar 21, 2019 7:50 pm
Forum: Computer Chess Club: General Topics
Topic: Revisiting g5 (Tough Tactical Test Position?)
Replies: 33
Views: 793

Re: Revisiting g5 (Tough Tactical Test Position?)

The positions I analyzed came from the following plans, collected from the original thread: [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "r1bq1r1k/2pn3n/1p1p2pb/pN1Pp2p/1PP1Pp1P/P4N2/2BBQPP1/RR4K1 b - - 0 1"] 1... g5 2. hxg5 Nxg5 3. Nx...
by peter
Tue Mar 19, 2019 10:41 pm
Forum: Computer Chess Club: General Topics
Topic: NUCLEUS
Replies: 42
Views: 4449

Re: NUCLEUS

Is there an output log of all the nuclei to see what ProDeo is selecting? This may help choose the best pair of engines for slave1 and slave2 Haven't worked with Nucleus much lately, still pondering about which new GPU to choose. If I already had a new one, I'd try probably mainly Leela and a secon...
by peter
Tue Mar 19, 2019 5:16 pm
Forum: Computer Chess Club: General Topics
Topic: EG Cook
Replies: 21
Views: 1143

Re: EG Cook

If 50-move rule is unchecked for syzygy. Stockfish may not enforce 50-move rule. Enforced or not, it's a counting rule, except as for studies. The best 7men line after 17...Nxd2 (which can be denied for two more moves with 17.Kb1 instead of Kc1, so longest line to mate after 17.Kb1 Qf6 18.Rc3 Nxd2 ...
by peter
Tue Mar 19, 2019 4:15 pm
Forum: Computer Chess Club: General Topics
Topic: EG Cook
Replies: 21
Views: 1143

Re: EG Cook

D. Keith 2nd commendation Kopnin 90 JT. EG July 2011 - page 209 Lomonosov Cook. Usually if Stockfish give evaluation above +1 for certain material imbalances it sometimes forced lomonosov mate, like in this case. r5b1/5N1k/B6P/2b2K1N/R3n3/p6p/3P4/8 w - - 0 1 [Event "?"] [Site "?"] [Date "????.??.??...
by peter
Tue Mar 19, 2019 6:38 am
Forum: Computer Chess Club: General Topics
Topic: Humorous study claimed to be winning for white
Replies: 3
Views: 406

Re: Humorous study claimed to be winning for white

I only have a shallow search for this one. 1r2bb1k/4p3/2pn1p2/pp2p3/1Pr5/N2BPP1n/RBPPNP2/4K1R1 w - - acd 38; acs 581; bm Rh1; c3 "Rh1"; c6 Arves.01179; ce 98; pm Rh1; pv Rh1 Rh4 Ng1 Bf7 Ra1 axb4 Nb1 Be6 Bf1 c5 Bxh3 Bf5 d3 c4 e4 Be6 dxc4 bxc4 c3 b3 Ra7 Nb7 Ba3 Nd6 Bb4 Nc8 Ra6 Nd6 Bg2 Rxh1 Bxh1 Rd8 R...