The Arasan 8 unresolved positions:

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Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

The Arasan 8 unresolved positions:

Post by Dann Corbit »

Given this subset of the positions from Arasan 8 (including positions not resolved by my prior searches and new positions):

Code: Select all

2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - - bm Rxd7; id "arasan4.22";
r1b2rk1/pp3pp1/4p2p/2ppP1b1/3Pq3/2P1PNP1/PP2Q2P/R3KB1R w KQ - bm Nxg5; id "arasan4.32";
r1b2r2/pp3p1p/1q1p3k/2p1n2N/3N4/4P1P1/P1PP2BP/R4QK1 w - - bm Qf6+; id "arasan4.35";
r4rk1/pp1nqppp/2b1p3/6N1/4N3/6Q1/PPP2PPP/1K1RR3 w - - bm Rxd7; id "arasan4.41";
r5nr/ppp2kpp/3pbp2/1B6/PP5q/8/1BPQ1PPP/1R2R1K1 w - - bm Rxe6; id "arasan4.46";
r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - - bm Ndf6+ Nef6+; id "arasan4.75";
8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - - bm Rxb2; id "4.90";
4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - - bm g5; id "arasan5.14";
r1b1k2r/pp3pp1/2npp2p/4P3/1b1P2q1/2NB1N2/PP1Q1PPP/R3K2R w KQkq - bm h3; id "arasan6.9";
8/8/1p3R2/p7/P1p1kn1P/1r3p2/7P/5R1K w - - bm h5 Rc6; id "arasan6.21";
r1r3k1/1bq1bppp/p1npp3/2nB1NPQ/1p2P3/2N1B3/PPP2P1P/2KR2R1 w - - bm Bxc5; id "arasan6.24";
2rqk2r/4bpp1/p1bppn2/np4BP/4P3/P1N1Q3/1PPNBP2/2KR2R1 w - - bm e5; id "arasan6.30";
2r2rk1/1q4p1/p1bp1b2/1p2pPpQ/1P2P3/P1NB4/2P5/1K1R3R w - - bm Bxb5 Bc4+; id "arasan6.49";
r5k1/1bq2p1p/p2p2pB/Pppn4/6P1/1Nb2N1P/4RP2/1B1Q2K1 b - - bm Bb4; id "arasan7.6";
8/8/6k1/P7/1P6/r5pp/8/2R2K2 b - - bm Ra2; id "arasan7.27";
5r1k/6pp/3b4/6q1/2QP4/5p1P/P4P2/R3K2R b - - bm Qf5; id "arasan7.37";
1r6/5p2/5p2/P6k/1P6/3K4/7p/1R6 w - - bm b5; id "arasan7.55";
6k1/1bQ1pNbp/q3Pp1B/1p1r1P2/P7/3p4/5K1P/1R6 w - - bm Ne5; id "arasan8.11";
6k1/p1b3pp/2p3r1/p1Pr1p1q/2QPp3/PP5P/3B1PP1/1R2RK2 b - - bm Rxg2; id "arasan8.13";
r2r4/pp2k2p/4p1p1/q7/2PR1Pb1/4QN2/P3R1PP/6K1 w - - bm f5; id "arasan8.19";
r4bk1/p2R1p2/4pBpp/nB1PP3/8/1q3P2/2r1QPKP/3R4 w - - bm Qe4; id "arasan8.21";
r3kb1r/1bqn1ppp/p3pn2/8/1p1NP3/1BN5/PP2QPPP/R1BR2K1 w kq - bm Nd5; id "Bolbochan-Najdorf, ARG-ch m Buenos Aires 1949";
r4rk1/p4ppp/qp2p3/b5B1/n1R5/5N2/PP2QPPP/1R4K1 w - - bm Bf6; id "Alekhine-Sterk, Budapest 1921";
3q1rk1/pr1b1p1p/1bp2p2/2ppP3/8/2P1BN2/PPQ3PP/R4RK1 w - - bm Bh6; id "Shredder-Rybka, WCCC 2006";
r4k2/1b3ppp/p2n1P2/q1p3PQ/Np1rp3/1P1B4/P1P4P/2K1R2R w - - bm g6; id "Svidler-Kasimdzhanov, Wijk aan Zee 1999";
r3rnk1/1b2bp1n/pp1ppRpQ/2q3P1/2PN3B/2NBP3/PP5P/2R3K1 w - - bm Nd5; id "Breutigam-Bischoff, ch-GER Saarbruecken 2002";
b2rk3/r4p2/p3p3/P3Q1Np/2Pp3P/8/6P1/6K1 w - - bm Qh8+; id "Grischuk-Svidler, WCh Mexico City (6) 2007";
r4rk1/q4bb1/p1R4p/3pN1p1/8/2N3P1/P4PP1/3QR1K1 w - - bm Ng4; id "Petrosian-Bronstein, Moscow olm 1966";
r1q2k1r/ppp2ppp/4n3/3N4/2B5/3Q4/Pb3PPP/4RRK1 w - - bm Rxe6; id "Akopian-Ramaswamy, Gilbraltar Masters 2007";
2b1qrk1/5p1p/pBn3p1/1p2p3/4P2N/bBP1Q3/P4PPP/3R2K1 w - - bm Nxg6; id "Spassky-Beliavsky, Reykjavik 1988";
4RR2/1r4p1/3k1p2/5K2/5PPP/6r1/8/8 w - - bm g5; id "Petrosian-Larsen, Biel izt 1976";
1r4k1/8/3p2p1/P1pPn3/1r5q/1P3P2/4QPBP/R4K1R b - - bm c4; id "Kiss-Busemann, Corr. Olympiad XIV Final 2002";
2brr1k1/pp2bppn/1qp4p/3nNP2/2BPNB2/P6P/1P3QP1/3RR1K1 w - - bm Bxh6; id "Bologan-Kasimdzhanov, Pamplona 2002";
r1b1kb1r/1p4pp/p2ppn2/8/2qNP3/2N1B3/PPP3PP/R2Q1RK1 w kq - bm Rxf6; id "Lasker-Pirc, Moscow 1935"; 
r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - - bm Rg3; id "Tukmakov-Minenkov, Soviet Union 1969"; 
r2qrbk1/5p1p/2b1pPp1/2np2P1/ppPpPB1N/3P1R2/PP4B1/1R2Q1K1 w - - bm Nxg6; id "Book-Westerinen, Helsinki 1966"; 
r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - - bm Bxh6; id "Gurgenidze-Klovans, Soviet Union 1959"; 
r3rk2/pb2bpp1/1n5p/q1pP1B2/1p3B2/5N2/PPQ2PPP/R2R2K1 w - - bm Bc8; id "Szabo-Kottnauer, Schiavno Zdroj 1950"; 
r4r1k/1bq2pp1/2p1p2p/1pPnP1BQ/4B2P/1p4P1/P4P2/3RR1K1 w - - bm Rxd5; id "Gulko-Saidy, American op Los Angeles 1987"; 
r1b4r/pp2ppk1/2np1np1/3N3p/2B1P3/q3BP2/P1PQ2PP/1R3RK1 w - - bm Nxe7; id "Stein-Pelikan, Mar del Plata 1966"; 
Here is the raw result given 900 seconds per position to search on 2.2 GHz machine:

Code: Select all

Analysis from C:\epd\arasan8d.epd   
Analyzing engine: Rybkav2.3.2a.w32
  1) Rd1xd7             Rd1xd7  * 319 Seconds
  2) Nf3xg5             Nf3xg5  * 264 Seconds
  3) Qf1-f6             Qf1-f6  * 202 Seconds
  4) Rd1xd7             Rd1xd7  * 486 Seconds
  5) Re1xe6             Re1xe6  * 297 Seconds
  6) Nd5-f6, Ne4-f6     Bh5xg4   
  7) .. Rd2xb2          Rd2xb2  * 327 Seconds
  8) g4-g5              Qd1-b1   
  9) h2-h3              0-0      
 10) h4-h5, Rf6-c6      Rf6-f8   
 11) Be3xc5             Be3xc5  * 280 Seconds
 12) e4-e5              e4-e5   * 269 Seconds
 13) Bd3xb5, Bd3-c4     Bd3xb5  * 604 Seconds
 14) .. Bc3-b4          c5-c4    
 15) .. Ra3-a2, Rc1-b1  Kg6-f5   
 16) .. Qg5-f5          Qg5-f5  * 256 Seconds
 17) b4-b5              b4-b5   * 368 Seconds
 18) Nf7-e5             Nf7-e5  * 193 Seconds
 19) .. Rg6xg2          f5-f4    
 20) f4-f5              Kg1-f2   
 21) Qe2-e4             Qe2-e4  * 272 Seconds
 22) Nc3-d5             Nc3-a4   
 23) Bg5-f6             Nf3-d4   
 24) Be3-h6             Ra1-e1   
 25) g5-g6              g5-g6   * 208 Seconds
 26) Nc3-d5             Nc3-d5  * 414 Seconds
 27) Qe5-h8             Qe5-h8  * 368 Seconds
 28) Ne5-g4             Ne5-g4  * 229 Seconds
 29) Re1xe6             Re1xe6  * 564 Seconds
 30) Nh4xg6             Nh4xg6  * 376 Seconds
 31) g4-g5              Re8-e6   
 32) .. c5-c4           c5-c4   * 313 Seconds
 33) Bf4xh6             Rd1-d3   
 34) Rf1xf6             Rf1xf6  * 8 Seconds
 35) Rd3-g3             Rd3-g3  * 128 Seconds
 36) Nh4xg6             Nh4xg6  * 48 Seconds
 37) Bc1xh6             Bc1xh6  * 55 Seconds
 38) Bf5-c8             Bf5-c8  * 45 Seconds
 39) Rd1xd5             a2xb3    
 40) Nd5xe7             Nd5xe7  * 291 Seconds
26 of 40 matching moves
12/7/2007 8:27:43 AM, Total time: 10:01:30 AM Rated time: 5:29:44 = 19784 Seconds
User avatar
Steve Maughan
Posts: 1218
Joined: Wed Mar 08, 2006 8:28 pm
Location: Florida, USA

Re: The Arasan 8 unresolved positions:

Post by Steve Maughan »

Position 39 Rxd5 is sound
[D]r4r1k/1bq2pp1/2p1p2p/1pPnP1BQ/4B2P/1p4P1/P4P2/3RR1K1 w - -

Once you make the move Rybka sees the variation.

Steve
jdart
Posts: 4359
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: The Arasan 8 unresolved positions:

Post by jdart »

I haven't look at all of these yet but for this one:

r1b1k2r/pp3pp1/2npp2p/4P3/1b1P2q1/2NB1N2/PP1Q1PPP/R3K2R w KQkq - bm h3; id "arasan6.9";

Toga wants to play O-O too, but if I force h3 and have it search for Black it will fail low:

Fen: r1b1k2r/pp3pp1/2npp2p/4P3/1b1P2q1/2NB1N1P/PP1Q1PP1/R3K2R b KQkq - 0 1
Bm: Qh5

no 1 0 -106 22 Bxc3 hxg4 Bxd2+ Kxd2
no 1 0 +45 71 Qxg2
no 2 10 +119 1312 Qxg2 Ke2 dxe5 dxe5
no 3 10 +144 5487 Qxg2 Ke2 O-O
no 4 10 +161 7381 Qxg2 Ke2 dxe5 dxe5 O-O
no 5 30 +78 15550 Qxg2 Ke2 dxe5 Rag1 Bxc3 Rxg2 Bxd2 Kxd2
no 6 70 -57 40296 Qxg2 Ke2 dxe5 Rag1 Nxd4+ Nxd4 Bxc3 bxc3
no 7 190 -92 111890 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1
dxc3 bxc3 Bf8
no 8 290 -38 177385 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1 g5
Bg6 dxc3 bxc3
no 9 450 -53 291536 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1 Rg8
Be4 dxc3 bxc3 Bc5
no 10 870 -52 562403 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1 Rg8
Be4 dxc3 bxc3 Be7 Nd4 Nxd4+ cxd4
no 11 1530 -57 972068 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1 g5
h4 gxh4 Nxh4 Bd7 Be4 dxc3 bxc3 Bc5
no 12 2810 -74 1783366 Qxg2 Ke2 dxe5 Rag1 Qxh1 Rxh1 exd4 Rg1
dxc3 bxc3 Bf8 Be4 f5 Bxc6+ bxc6 Ne5 Ba6+
c4 Rd8
no 13 6970 -54 4361353 Qxg2 Ke2 dxe5 Rag1 Nxd4+ Nxd4 Bxc3 bxc3
Qd5 Nb5 Qc6 Qe3 a6 Na7 Qd5
no 14 65630 -216 40028237 Qxg2 Ke2 Bd7 exd6 e5 Qe3 Nxd4+ Nxd4 Qg5
Ndb5 Qh5+ Ke1 Kf8 a3 Bc6 Rg1 Bxc3+ bxc3
Rd8 Rb1
no 15 101570 -216 61708683 Qxg2 Ke2 Bd7 exd6 e5 Qe3 Nxd4+ Nxd4 Qg5
Ndb5 Qh5+ Kd2 Kf8 a3 Bxb5 axb4 Bxd3 Qxd3
Qh4 Ne4
no 16 283850 -232 171847021 Qxg2 Ke2 Nxd4+ Nxd4 Qg5 Qxg5 hxg5 Ndb5
Kd7 exd6 Bxd6 Nxd6 Kxd6 Rac1 Ke7 Ne4 Bd7
Rc7 Rac8 Rxb7 g4 Rg1 gxh3 Rxg7

This is much better (for White) than the score I get for O-O.
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

For each of the still unresolved positions, I will post the current analysis and rerun at longer time control (also possibly trying all suggested solution positions).
[d]r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - - bm Ndf6+ Nef6+; id "arasan4.75";

Code: Select all

6) Ndf6+ Nef6+; id "ara 
    Searching move: Nd5-f6, Ne4-f6
    Best move (Rybkav2.3.2a.w32): Bh5xg4
    Not found in: 15:00
      5	00:01	       5.158	55.597	+0.18	Qd1b3 Nc6b4
      6	00:01	      10.436	29.684	+0.20	Qd1b3 Nc6b4 Nd5xb4
      7	00:02	      32.914	41.456	+0.16	Qd1b3 Bf5xe4 d3xe4 Nc6b4 c4c5
      8	00:02	      40.194	43.143	+0.16	Qd1b3 Bf5xe4 d3xe4 Nc6b4 c4c5 Kg8h7
      9	00:03	      78.674	42.245	+0.26	Qd1b3 Bf5xe4 d3xe4 Nc6b4 c4c5 Kg8h8 Rf1xf8+ Ra8xf8 Nd5xb4 a5xb4 c5xd6
     10	00:04	     116.954	39.498	+0.21	Qd1b3 Bf5xe4 d3xe4 Nc6b4 c4c5 Kg8h8 Rf1xf8+ Ra8xf8 Nd5xb4 a5xb4 c5xd6 c7xd6 Qb3xb4 Qg7d7
     11	00:06	     178.901	37.211	+0.24	Qd1b3 Bf5xe4 d3xe4 Nc6b4 c4c5 Kg8h8 Nd5xb4 a5xb4 c5xd6 c7xd6 Qb3xb4 Ra8xa2 Qb4xd6 Rf8f6
     11	00:14	     532.879	41.669	+0.39	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 Nc7d5 Bd4xb2
     12	00:15	     590.872	43.119	+0.39	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 Nc7d5 Bd4xb2
     13	00:18	     716.956	43.262	+0.43	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 Nc7d5 Bd4xb2
     14	00:22	     960.068	46.229	+0.40	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 Nc7d5 Bd4xb2
     15	00:38	   1.645.272	45.322	+0.54	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 h2h3 Bd4xb2
     16	01:07	   2.978.220	46.119	+0.56	Bh5xg4 Bf5xg4 Qd1xg4 Qg7xg4 Ne4f6+ Kg8g7 Nf6xg4 Ra8c8 Rf1xf8 Rc8xf8 Nd5xc7 Nc6d8 h2h3 Bd4xb2
     17	05:38	  16.471.244	49.997	+0.63	Bh5xg4 Bf5xe4 d3xe4 Rf8xf1+ Qd1xf1 Nc6b4 Qf1e2 c7c6 a2a3 Nb4xd5 c4xd5 Ra8f8 d5xc6 b7xc6
   12/6/2007 11:56:30 PM, Time for this analysis: 00:15:01, Rated time: 41:08
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]4qrk1/1p1nb1p1/2p1pn1p/r2p4/3P1BPP/P1NBP3/5P2/R2QK1R1 w - - bm g5; id "arasan5.14";

Code: Select all

8) g5; id "arasan5.14"; 
    Searching move: g4-g5
    Best move (Rybkav2.3.2a.w32): Qd1-b1
    Not found in: 15:00
      5	00:01	       6.484	32.547	+0.45	g4g5 h6xg5
      6	00:01	      12.385	36.760	+0.41	g4g5 h6xg5 Bf4xg5 Kg8h8
      7	00:02	      23.409	40.287	+0.41	g4g5 h6xg5 Bf4xg5 Kg8h8 h4h5
      8	00:02	      55.751	45.634	+0.62	g4g5 h6xg5 h4xg5 Nf6h5 Bf4c7 Ra5xa3
      9	00:02	      69.250	49.278	+0.61	g4g5 h6xg5 h4xg5 Nf6h5 Bf4c7 Ra5xa3 Ra1xa3 Be7xa3 Qd1b3
     10	00:03	     107.756	56.906	+0.39	g4g5 h6xg5 h4xg5 Nf6h5 Bf4c7 Ra5xa3 Ra1xa3 Be7xa3 g5g6 Ba3b4
     11	00:11	     683.516	66.551	+0.51	g4g5 h6xg5 h4xg5 Nf6h5 Rg1h1 g7g6 Qd1b1 Nh5xf4 e3xf4 Rf8xf4 Bd3xg6 Qe8d8
     12	00:14	     847.770	67.337	+0.52	g4g5 h6xg5 h4xg5 Nf6h5 Rg1h1 g7g6 Bd3xg6 Qe8xg6 Rh1xh5 Be7b4 Ke1d2 Bb4xc3+ Kd2xc3 e6e5
     13	00:18	   1.163.862	68.774	+0.61	g4g5 h6xg5 h4xg5 Nf6h5 Rg1h1 g7g6 Bd3xg6 Qe8xg6 Rh1xh5 Be7b4 Ke1d2 Bb4xc3+ Kd2xc3 e6e5
     14	00:25	   1.653.339	69.232	+0.55	g4g5 h6xg5 h4xg5 Nf6h5 Rg1h1 g7g6 Bd3xg6 Qe8xg6 Rh1xh5 Be7b4 Ke1d2 Bb4xc3+ Kd2xc3 e6e5
     15	02:07	   6.354.116	51.748	+0.37	g4g5 h6xg5 h4xg5 Nf6h5 Rg1h1 g7g6 Qd1b1 Kg8g7 Rh1xh5 g6xh5 Qb1xb7 Ra5xa3 Ra1xa3 Be7xa3
     15	03:03	   8.675.848	48.884	+0.55	Qd1b1 Be7xa3 Bf4d6 Ba3xd6 Ra1xa5 Qe8e7 Ra5a7 e6e5 Ke1d1 e5e4 Bd3e2 b7b6 g4g5
     16	03:59	  11.471.082	49.390	+0.54	Qd1b1 Be7xa3 Bf4d6 Ba3xd6 Ra1xa5 Qe8e7 Ra5a7 e6e5 Ke1d1 e5e4 Bd3e2 b7b6 g4g5 h6xg5
     17	06:51	  19.762.174	49.343	+0.52	Qd1b1 Be7xa3 Bf4d6 Ba3xd6 Ra1xa5 Qe8e7 Ra5a7 e6e5 Ke1d1 e5e4 Bd3e2 b7b5 g4g5 h6xg5
     18	13:02	  39.534.774	51.824	+0.47	Qd1b1 Be7xa3 Bf4d6 Ba3xd6 Ra1xa5 Qe8e7 Ra5a7 e6e5 Ke1d1 e5e4 Bd3e2 b7b5 g4g5 h6xg5
   12/7/2007 12:26:35 AM, Time for this analysis: 00:15:01, Rated time: 1:01:35
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]r1b1k2r/pp3pp1/2npp2p/4P3/1b1P2q1/2NB1N2/PP1Q1PPP/R3K2R w KQkq - bm h3; id "arasan6.9";

Code: Select all

9) h3; id "arasan6.9";  
    Searching move: h2-h3
    Best move (Rybkav2.3.2a.w32): 0-0
    Not found in: 15:00
      5	00:01	       2.133	45.504	+0.44	00 d6xe5
      6	00:01	       4.500	58.329	+0.40	00 d6xe5 d4xe5 00
      7	00:02	       8.658	15.747	+0.48	00 d6xe5 d4xe5 00 h2h3
      8	00:02	      16.708	24.867	+0.44	00 d6xe5 d4xe5 00 h2h3 Qg4h5
      9	00:02	      30.242	31.925	+0.43	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4
     10	00:03	      53.684	37.018	+0.39	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 Rf8d8
     11	00:03	     110.431	47.915	+0.43	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3
     12	00:07	     284.813	49.633	+0.49	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3 Bc8d7
     13	00:14	     526.141	41.943	+0.46	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3 Bc8d7 Ra1c1
     14	00:24	     937.382	42.512	+0.47	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3 Bb4xc3 b2xc3 Qh5c5
     15	00:39	   1.903.848	51.856	+0.47	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3 Bb4xc3 b2xc3 Qh5c5
     16	01:04	   3.417.811	55.442	+0.47	00 d6xe5 d4xe5 00 h2h3 Qg4h5 Qd2f4 f7f6 e5xf6 Rf8xf6 Qf4g3 Bc8d7 Ra1c1 Ra8d8
     17	04:39	  13.139.162	48.427	+0.54	00 d6xe5 d4xe5 00 a2a3 Bb4e7 Rf1d1 Qg4h5 Qd2f4 f7f5 e5xf6/ep Be7xf6 Qf4e4 Qh5f5
   12/7/2007 12:41:38 AM, Time for this analysis: 00:15:01, Rated time: 1:16:35
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]8/8/1p3R2/p7/P1p1kn1P/1r3p2/7P/5R1K w - - bm h5 Rc6; id "arasan6.21";

Code: Select all

10) h5 Rc6; id "arasan6 
    Searching move: h4-h5, Rf6-c6
    Best move (Rybkav2.3.2a.w32): Rf6-f8
    Not found in: 15:00
      5	00:01	       3.158	101.056	-0.67	Rf1e1+ Nf4e2 Re1f1
      6	00:01	       4.423	94.357	-0.60	Rf1e1+ Nf4e2 Re1f1 Ne2d4
      7	00:01	       6.020	96.320	-0.61	Rf1e1+ Nf4e2 Re1f1 Ne2d4 Rf1e1+ Ke4d3
      8	00:01	      10.234	83.171	-0.61	Rf1e1+ Nf4e2 Re1f1 Ne2d4 Rf1e1+ Ke4d3 Rf6d6
      9	00:01	      25.666	93.198	-1.00	Rf1e1+ Rb3e3 Re1c1 c4c3 Kh1g1 Nf4e2+ Kg1f2 Re3d3
      9	00:02	      83.950	66.228	-0.49	Rf6f7 c4c3 Rf7e7+ Ke4d4 Rf1d1+ Kd4c5 Re7c7+ Kc5b4 Kh1g1 Kb4xa4
     10	00:03	     116.936	64.901	-0.44	Rf6f7 c4c3 Rf7e7+ Ke4d4 Rf1d1+ Kd4c5 Kh1g1 Nf4h3+ Kg1f1 Rb3b2
     11	00:03	     141.710	67.274	-0.52	Rf6f7 c4c3 Rf7e7+ Ke4d4 Rf1d1+ Kd4c5 Kh1g1 Nf4h3+ Kg1f1 Rb3b2 Re7e5+ Kc5c4
     12	00:06	     317.319	65.789	-1.66	Rf6f7 c4c3 Rf7e7+ Ke4d4 Rf1d1+ Nf4d3 Re7d7+ Kd4e4 Rd7xd3 c3c2 Rd3d4+ Ke4e3 Kh1g1 Rb3a3
     12	00:06	     338.603	64.869	-1.45	Rf1e1+ Rb3e3 Re1c1 c4c3 Kh1g1 Nf4e2+ Kg1f2 Re3d3 Rc1e1 c3c2 Rf6c6 Rd3d2
     12	00:08	     445.514	61.326	-0.59	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d5 Re6e1 Kd5c4 Rf1xf3 c3c2 Rf3f2 Kc4c3
     13	00:10	     508.166	60.542	-0.63	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d5 Re6e1 Kd5c4 Rf1xf3 c3c2 Rf3f2 Rb3c3 Re1c1
     14	00:12	     670.104	62.642	-0.54	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d5 Re6e1 Kd5c4 Rf1xf3 c3c2 Rf3f2 Rb3c3 Re1c1 Kc4d3
     15	00:15	     866.794	65.592	-0.70	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d4 Re6d6+ Kd4c5 Rd6d3 Nh5f4 Rd3xf3 Nf4e2 Rf3f2 Ne2d4
     16	00:18	   1.133.851	66.460	-0.61	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d4 Re6d6+ Kd4c5 Rd6d3 Nh5f4 Rd3xf3 Nf4e2 Rf3f2 Ne2d4
     17	00:25	   1.556.313	66.966	-0.60	h4h5 c4c3 Rf6c6 Nf4xh5 Rc6e6+ Ke4d4 Re6d6+ Kd4c5 Rd6d3 Nh5f4 Rd3xf3 Nf4e2 Rf3f2 Ne2d4
     17	00:46	   2.986.843	68.345	-0.56	Rf6f8 c4c3 Rf8e8+ Ke4d4 h4h5 Nf4xh5 Re8d8+ Kd4c4 Kh1g1 Kc4b4 Rd8d4+ Kb4a3 Rd4c4 Nh5g7
     18	00:57	   3.791.243	68.748	-0.50	Rf6f8 c4c3 Rf8e8+ Ke4d4 h4h5 Nf4xh5 Re8d8+ Kd4c4 Kh1g1 Kc4b4 Rd8d4+ Kb4a3 Rd4c4 Nh5g7
     19	01:32	   5.645.093	63.576	-0.46	Rf6f8 c4c3 Rf8e8+ Ke4d4 h4h5 Nf4xh5 Re8d8+ Kd4c4 Kh1g1 Kc4b4 Rd8d4+ Kb4a3 Rd4c4 Nh5g7
     20	02:43	   9.556.887	60.350	-0.43	Rf6f8 c4c3 Rf8e8+ Ke4d4 h4h5 Nf4xh5 Re8d8+ Kd4c4 Kh1g1 Nh5f4 Rd8c8+ Kc4d4 Rf1xf3 Nf4d5
     21	10:33	  38.005.345	61.596	-0.29	Rf6f8 f3f2 h4h5 c4c3 h5h6 c3c2 Rf8xf4+ Ke4xf4 Rf1xf2+ Kf4g5 Rf2xc2 Kg5xh6 Kh1g2 Kh6g5
     22	14:46	  54.637.237	63.220	-0.63	Rf6f8 Ke4e3 Rf8e8+ Ke3d2 Re8e4 Nf4d3 Re4xc4 f3f2 Kh1g2 Rb3b4 Rc4xb4 a5xb4 Rf1a1 b4b3
   12/7/2007 12:56:41 AM, Time for this analysis: 00:15:01, Rated time: 1:31:35
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]r5k1/1bq2p1p/p2p2pB/Pppn4/6P1/1Nb2N1P/4RP2/1B1Q2K1 b - - bm Bb4; id "arasan7.6";

Code: Select all

14) Bb4; id "arasan7.6" 
    Searching move: Bc3-b4
    Best move (Rybkav2.3.2a.w32): c5-c4
    Not found in: 15:00
      5	00:00	       4.847	62.826	+0.52	Bc3f6 Qd1e1
      5	00:01	       9.618	69.357	+0.68	Bc3b4 Qd1c2
      6	00:01	      10.920	70.772	+0.70	Bc3b4 Qd1c2 c5c4
      7	00:01	      15.734	64.189	+0.63	Bc3b4 Qd1c1 c5c4 Nb3d4
      8	00:01	      22.670	64.304	+0.65	Bc3b4 Qd1c1 c5c4 Nb3d4 Nd5c3
      9	00:01	      54.761	62.864	+0.76	Bc3b4 Qd1c1 c5c4 Nb3d4 Bb4xa5 Bh6g5
     10	00:02	      88.217	62.128	+0.75	Bc3b4 Qd1c1 c5c4 Nb3d4 Bb4xa5 Bb1c2 Ba5c3
     11	00:03	     185.561	64.324	+0.78	Bc3b4 Qd1c1 c5c4 Nb3d2 Bb4xa5 Nd2e4 Ba5b4 Qc1g5
     12	00:05	     280.953	62.829	+0.74	Bc3b4 Qd1c1 c5c4 Nb3d2 Bb4xa5 Nd2e4 Ba5b4 Qc1g5 Qc7d8
     13	00:11	     631.398	63.263	+0.84	Bc3b4 Qd1c1 c5c4 Nb3d2 Qc7xa5 Nd2e4 Qa5a1 Re2a2 Qa1h8 Ra2e2
     14	00:22	   1.335.525	62.514	+0.86	Bc3b4 Qd1c1 c5c4 Nb3d2 Qc7xa5 Nd2e4 Qa5a1 Re2a2 Qa1h8 Nf3h4 f7f6
     15	00:38	   2.217.271	60.443	+0.64	Bc3b4 Qd1c1 c5c4 Nb3d2 Qc7xa5 Nd2e4 Qa5a1 Re2a2 Qa1h8 Bh6e3 Nd5xe3 Qc1xe3 Qh8g7 g4g5
     16	01:01	   3.499.196	59.255	+0.64	Bc3b4 Qd1c1 c5c4 Nb3d2 Qc7xa5 Nd2e4 Qa5a1 Re2a2 Qa1h8 Bh6e3 Nd5xe3 Qc1xe3 Qh8g7 g4g5
     16	01:23	   5.147.435	64.181	+0.72	c5c4 Bb1e4 c4xb3 Be4xd5 b3b2 Bd5xb7 Qc7xb7 Kg1g2 Ra8c8 Qd1b3 Bc3e5 Re2xe5 d6xe5 Qb3xb2
     17	01:49	   6.779.581	64.066	+0.72	c5c4 Bb1e4 c4xb3 Be4xd5 b3b2 Bd5xb7 Qc7xb7 Kg1g2 Ra8c8 Qd1b3 Bc3e5 Re2xe5 d6xe5 Qb3xb2
     18	03:13	  12.350.776	65.704	+0.81	c5c4 Bb1e4 c4xb3 Be4xd5 b3b2 Bd5xb7 Qc7xb7 Kg1g2 Ra8c8 Qd1b3 Bc3e5 Re2xe5 d6xe5 Qb3xb2
     19	04:50	  18.430.231	65.232	+0.75	c5c4 Bb1e4 c4xb3 Be4xd5 b3b2 Bd5xb7 Qc7xb7 Kg1g2 Ra8c8 Qd1b3 Bc3e5 Re2xe5 d6xe5 Qb3xb2
     20	09:22	  35.215.008	64.170	+0.59	c5c4 Bb1e4 c4xb3 Be4xd5 b3b2 Bd5xb7 Qc7xb7 Kg1g2 Ra8c8 Qd1b1 b5b4 Re2xb2 Bc3xb2 Qb1xb2
   12/7/2007 1:56:50 AM, Time for this analysis: 00:15:01, Rated time: 2:05:48
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]8/8/6k1/P7/1P6/r5pp/8/2R2K2 b - - bm Ra2; id "arasan7.27";

Code: Select all

15) Ra2; id "arasan7.27 
    Searching move: Ra3-a2, Rc1-b1
    Best move (Rybkav2.3.2a.w32): Kg6-f5
    Not found in: 15:00
      5	00:01	         979	62.656	+1.00	Ra3a2 Kf1g1
      6	00:01	       2.347	75.104	+1.02	Ra3a2 Kf1g1 Kg6f5
      7	00:01	       3.737	60.741	+1.04	Ra3a2 Kf1g1 Kg6f5 Rc1d1
      8	00:01	       5.606	72.665	+1.15	Ra3a2 Kf1g1 Kg6f5 Rc1d1 Kf5e4
      9	00:01	       8.654	70.330	+1.15	Ra3a2 Kf1g1 Kg6f5 Rc1d1 Kf5e4 Rd1e1+ Ke4f3
      9	00:01	      30.724	83.673	+2.98	Kg6f5 a5a6 Ra3xa6 Rc1c5+ Kf5e4 Rc5c1 Ra6a4
     10	00:01	      40.107	87.382	+3.25	Kg6f5 a5a6 Ra3xa6 Rc1c5+ Kf5e4 Rc5c4+ Ke4d3 Rc4c1 Ra6a2
     11	00:02	     117.984	83.091	+5.75	Kg6f5 a5a6 Kf5g4 a6a7 h3h2 Kf1g2 Ra3a2+
     11	00:08	     751.448	96.173	+7.66	Kg6f5 a5a6 Kf5g4 Kf1e2 h3h2 Rc1c4+ Kg4h3 Rc4c8 Ra3xa6 b4b5
     12	00:15	   1.289.701	91.470	+10.17	Kg6f5 a5a6 Kf5g4 Kf1e2 h3h2 Rc1c4+ Kg4h3 Rc4c8 Ra3xa6 Rc8h8+ Kh3g2 Ke2d3
     13	00:21	   1.813.032	89.944	+10.17	Kg6f5 a5a6 Kf5g4 Kf1e2 h3h2 Rc1c4+ Kg4h3 Rc4c8 Ra3xa6 Rc8h8+ Kh3g2 Ke2d3 h2h1Q
     14	00:33	   2.837.127	89.864	+10.36	Kg6f5 a5a6 Kf5g4 Kf1e2 h3h2 Rc1c4+ Kg4h3 Rc4c8 Ra3xa6 Rc8h8+ Kh3g2 Ke2d3 h2h1Q Rh8xh1
     15	03:06	  15.965.526	88.051	+16.01	Kg6f5 Rc1e1 Kf5g4 Re1e8 g3g2+ Kf1e2 h3h2 Re8g8+ Kg4h5
     16	08:29	  45.045.918	90.711	+16.61	Kg6f5 a5a6 Kf5g4 a6a7 h3h2 Kf1e2 Ra3xa7 Rc1c4+ Kg4h3 Rc4c1 Ra7a2+ Ke2d3 g3g2 Rc1c8
   12/7/2007 2:11:52 AM, Time for this analysis: 00:15:01, Rated time: 2:20:48
Dann Corbit
Posts: 12477
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The Arasan 8 unresolved positions:

Post by Dann Corbit »

[d]6k1/p1b3pp/2p3r1/p1Pr1p1q/2QPp3/PP5P/3B1PP1/1R2RK2 b - - bm Rxg2; id "arasan8.13";

Code: Select all

19) Rxg2; id "arasan8.1 
    Searching move: Rg6xg2
    Best move (Rybkav2.3.2a.w32): f5-f4
    Not found in: 15:00
      5	00:00	       2.754	88.128	+0.40	Qh5h4 Rb1b2
      6	00:01	       5.816	62.690	+0.22	Qh5h4 b3b4 Bc7f4
      7	00:01	      11.882	59.642	+0.15	Qh5h4 b3b4 Bc7f4 Bd2e3
      8	00:01	      15.815	54.344	+0.15	Qh5h4 b3b4 Bc7f4 Bd2e3 Qh4g5
      8	00:01	      61.746	61.267	+0.31	Kg8f8 Rb1b2 Qh5h4 b3b4 Qh4f6
      9	00:02	     113.157	62.803	+0.31	Kg8f8 Rb1b2 f5f4 Qc4a6 Qh5g5 Qa6c8+ Bc7d8
     10	00:03	     149.093	63.428	+0.28	Kg8f8 Rb1b2 f5f4 Qc4a6 Qh5g5 Qa6c8+ Bc7d8 Qc8g4
     11	00:05	     300.758	61.582	+0.02	Kg8f8 b3b4 f5f4 Re1xe4 f4f3 Qc4d3 f3xg2+ Kf1g1 Qh5f5
     11	00:10	     597.642	64.521	+0.83	f5f4 Re1xe4 f4f3 Qc4d3 Rg6xg2 Rb1e1 Rd5d8 Re1e3 Rd8f8
     12	00:13	     800.727	65.023	+0.85	f5f4 Qc4a6 Qh5g5 g2g3 e4e3 Qa6xa7 e3xd2 Re1e8+ Kg8f7 Re8c8 f4xg3 Qa7xc7+ Qg5e7 Rb1d1
     13	00:17	   1.096.807	66.615	+0.93	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     14	00:20	   1.346.002	69.018	+0.94	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     15	00:25	   1.722.773	71.139	+0.94	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     16	00:33	   2.331.323	73.206	+0.92	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     17	02:21	   9.434.600	68.669	+1.36	f5f4 Qc4a6 Qh5g5 g2g3 e4e3 Qa6b7 e3xd2 Re1e8+ Kg8f7 Re8c8 Rd5xd4 Rc8xc7+ Kf7e8 Rc7c8+
     18	08:54	  37.203.467	71.337	+1.51	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     19	10:25	  44.083.344	72.303	+1.56	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
     20	13:50	  59.874.640	73.927	+1.68	f5f4 Re1xe4 f4f3 Rb1e1 f3xg2+ Kf1g1 Qh5xh3 Re4e8+ Kg8f7 Re8e7+ Kf7f6 Re7e6+ Qh3xe6 Re1xe6+
   12/7/2007 3:12:00 AM, Time for this analysis: 00:15:01, Rated time: 2:49:25