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Subject: Re: Zugzwang test suites

Author: Tim Foden

Date: 02:43:07 07/14/04

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On July 14, 2004 at 01:42:42, Dann Corbit wrote:

>Does anyone have one that they are willing to share?

I've collected these positions over time (as NULL move/zugzwang problems).  The
comments like "3.00 Ne3 #10" tell how different versions of GLC do on them.  The
other comments are pretty self explanitory.

8/8/8/1B6/6p1/8/4KPpp/3N2kr w - - bm Kd3; id "MES.831";
8/3p1p2/5Ppp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - bm Nc3;     id "CCC.321751"; c0
"#4. 3.00 Ne3 #10, 3.31 Nc3 #4"
8/1B6/8/5p2/8/8/5Qrq/1K1R2bk w - - bm Qa7;               id "CCC.321759"; c0
"#3. 3.00 Ka2 #8, 3.31 Ka2 #8";
5R2/2K5/1pP5/4k2p/3pp3/2p4N/B4N1b/n1R1B2b w - - bm Rxc3; id "CCC.321966"; c0
"#3. 3.00 44s/12, 3.33 15s/10, 3.00 no null 6s/7";
4B3/8/p7/k2N4/7p/K6p/PP5P/2q5 w - - bm Ba4; id "CCC.347609"; c0 "Ba4 wins, +3.
Bd7 only draws"
1knB4/8/7p/5R2/7K/8/3r4/7B w - - bm Rb5+; id "CCC.349966"; c0 "white wins, +5.
Other moves only draw. Key is trapped B rook, see PV."; c1 "1. Rb5+ Nb6 2. Bxb6!
Rh2+ 3. Kg4! Rxh1 4. Bg1+! Kc7 5. Rb1! Kd7 6. Re1 Kc6 7. Rd1 Kb5 8. Rc1 Ka4 9.
Rb1";
4b3/6p1/5p1p/5P1P/3kPK2/1p6/1P2B3/8 b - - bm Ba4; id "CCC.252981";
2k3r1/pp6/2p5/3pB3/3P1P1p/P1P1Pnr1/8/R2R1K2 b - - bm Rg2; id "CCC.350880"; C0
"#5"; acn 171468; acs 1; ce 32758; dm 5; pv Rg2 f5 Rc2 Bg7 Rxg7 Rd2 Rxd2 f6
Rg1#;
8/8/8/5b2/3n1P2/6Q1/6P1/3q1k1K b - - bm Qe2; id "CCC.350880"; acn 25421; c0
"#5"; acs 0; ce 32758; dm 5; pv Qe2 Kh2 Qh5+ Qh3 Bxh3 g4 Nf3+ Kh1 Bg2#;
8/8/8/2p5/1pp5/brpp4/1pprp2P/qnkbK3 w - - bm h3; id "CCC.360858"; c0 "#15. h4
only draws";



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