Author: Uri Blass
Date: 05:53:52 05/17/03
Go up one level in this thread
On May 17, 2003 at 08:42:49, Uri Blass wrote:
>On May 17, 2003 at 08:28:28, Uri Blass wrote:
>
>>On May 16, 2003 at 10:06:32, Jon Dart wrote:
>>
>>>Following is a test suite of positions from recent Arasan games (there is an
>>>another, older collection ("arasan2.epd"), available at
>>>http://www.arasanchess.org/tests.zip).
>>>
>>>This one is a bit harder overall than the arasan2 test suite. Currently Arasan
>>>itself gets around 32-35 right at 60 seconds per move on a fast machine
>>>(XP2500+).
>>>
>>>2b2rk1/1p2R2p/r1p3p1/p1qp1pP1/5P2/2N3P1/PPQ3K1/2R5 w - - bm Qe2; id "arasan3.1";
>>>r1bk3r/pp1p2pp/q1nP1p2/4p3/2Np4/P2Q2P1/1R2PPBP/2R3K1 w - - bm Qf5; id "arasan
>>>3.3";
>>>r1bq1rk1/p1p3pp/2Q5/2bpPp2/4n3/5P2/PPP3PP/RNB1KB1R b KQ - bm Qh4+; id "arasan
>>>3.4";
>>>2r1k1nr/p1Pq4/1p3p2/4pn1p/1B1p4/1N3Q2/PP2P1RP/2R4K w - - bm Nd2; id "arasan3.5";
>>>r2qr1k1/pp1b2pp/2nBpp1n/6NQ/2B1N3/P3b3/1PP3PP/R4R1K w - - bm Nxf6+; id
>>>"arasan3.6";
>>>1n3rn1/3b4/rq1P1pkp/1p4p1/p1p1N1N1/2Q2B1P/1P3PP1/R3R1K1 w - - bm Nexf6; id
>>>"arasan3.7";
>>>r1bq1rk1/ppp1bpp1/2np3p/3N3n/2P1PB2/3BQN2/PP3PPP/R3K2R w KQ - bm Bxh6+; id
>>>"arasan3.9";
>>>2r3k1/5pp1/1p5p/p1n1P3/2B2P2/P3Q3/1PP4q/1K4R1 w - - bm Qd4; id "arasan3.10";
>>>r4r1k/1bpq2b1/p2p2Qp/1p1Pp3/P3P3/1PP3RP/2B2pPK/R4N2 w - - bm Ne3; id
>>>"arasan3.11";
>>>4k3/p2n1pp1/p5p1/2pPp1Pr/4PP2/2P1R2P/1r1q1Q1B/5RK1 b - - bm c4; id "arasan3.12";
>>>1q4k1/5p1p/5npR/1p1rp3/6P1/2P2N1P/1P3P2/2Q3K1 b - g3 bm Qd8; id "arasan3.13";
>>>r4rk1/pb3ppp/1qn1pb2/1Npn2N1/1p6/2PP2P1/PP1B1PBP/R2QR1K1 w - - bm Nd6; id
>>>"arasan3.14";
>>>8/8/5PbP/4k1P1/8/4B1K1/8/5r2 b - - bm Rf5; id "arasan3.17";
>>>2r1r1k1/1p3pb1/q2Pb1p1/p7/P5PP/1PNR4/2Q3BP/2BR1K2 b - - bm Bxg4; id
>>>"arasan3.18";
>>>3r2k1/1Q3pp1/4pb1p/p7/2P5/qP3N2/5PPP/1R4K1 b - - bm Qb2; id "arasan3.20";
>>>4r3/3R4/6pk/2p3b1/3pp1P1/P7/1P5P/4R2K b - - bm Bh4; id "arasan3.21";
>>>6k1/r5p1/3P1b2/5p1p/p1N5/4PKP1/R6P/8 w - h6 bm e4; id "arasan3.22";
>>>r2r2k1/pbpq1ppp/1pn1pn2/8/P2PP3/B1R2NP1/P1Q2PBP/3R2K1 w - - bm d5; id
>>>"arasan3.23";
>>>8/r4p2/4qp2/kp6/3b4/1P2pQ2/2R4P/1R5K b - - bm Kb4; id "arasan3.24";
>>>6k1/3r1p1p/P5pB/8/3b2q1/6P1/3N1P1P/4Q1K1 b - - bm Qe6; id "arasan3.25";
>>>8/pp2r3/3rk3/PR1p1p2/1NpP2p1/2P1PnPp/4KP1P/7R b - - bm a6; id "arasan3.26";
>>>1b6/4kPp1/Pp6/2p2K1B/2P5/3p4/8/8 w - - bm Ke4; id "arasan3.27";
>>>4r1k1/pppb3p/1n4p1/3P4/1bP2p2/qN3PPP/P1Q3B1/2R3KR w - - bm g4; id "arasan3.28";
>>>8/p4pkp/2P3p1/1p1PK3/2r2P2/8/P7/R7 w - - bm Kd6; id "arasan3.29";
>>>2r3k1/2r1b1p1/p1q3Pp/3pP3/1p6/1P2B2Q/2PR4/1K4R1 w - - bm Bxh6; id "arasan3.30";
>>>r4rk1/pb1q2pp/1p6/2b1Bp2/2P1PP2/6P1/P2NQ2P/3RR2K b - - bm Rad8; id "arasan3.31";
>>>1r1qb1k1/6pp/3p1p2/2p2P1P/2PpP1Q1/p2P1NP1/Pr4R1/6RK b - - bm h6; id
>>>"arasan3.32";
>>>3rr3/kpq5/ppb1p3/5p2/2PP4/1R4P1/PQ5P/NR4K1 b - - bm f4; id "arasan3.33";
>>>4b3/1kp3Q1/1p2PKP1/8/8/3q4/8/B7 b - - bm Qd8+; id "arasan3.34";
>>>1r4k1/3R1p1p/2BP1rp1/8/3P3P/3K4/6P1/8 w - - bm Kc4; id "arasan3.35";
>>>8/p7/8/8/4k3/1KR2rP1/P7/8 b - - am Rxc3; id "arasan3.36";
>>>4R3/1k4p1/8/pp4P1/8/3K4/1b5P/8 w - - bm Re2; id "arasan3.38";
>>>8/N7/4pk2/1pKp3p/bP4p1/5P2/6PP/8 w - - bm Nxb5; id "arasan3.39";
>>>r3k2r/pb3ppp/1p2pn2/1Nb1q3/4P3/P2B4/1PQ2PPP/R1B2RK1 w kq - bm b4; id
>>>"arasan3.40";
>>>2r1r1k1/1pn3qp/2pbn1p1/p2pN3/3P1P2/3BP1BP/PPQ3K1/2R2R2 w - - bm f5; id
>>>"arasan3.41";
>>>5Nk1/1p2n3/p2q1rp1/3p1pQP/5P2/2P2B2/b1PK2P1/4R3 w - - bm Nd7; id "arasan3.42";
>>>r4rk1/pp2np2/5B1p/5pN1/2B5/q1P1P3/2Q2PPb/5R1K w - - bm Qe2; id "arasan3.43";
>>>8/5pk1/8/p3qQp1/P2p2P1/5K2/1P3P2/8 b - - am Qxf5+; id "arasan3.44";
>>>1R6/4qpbk/8/p2r2p1/P7/1PNp1PP1/3Q3P/7K b - - bm g4; id "arasan3.45";
>>>8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - - bm Nxf5; id "arasan3.46";
>>>2r1qb2/3k1p2/pB2pPn1/Np1pP1P1/1P1Q2P1/P1P5/8/3R3K b - - bm Nxe5; id
>>>"arasan3.47";
>>>1r3k2/1bRB2pp/pp3pq1/3p4/3P2P1/1P2PN2/P4PP1/5RK1 w - - bm Nh4; id "arasan3.48";
>>>8/p5r1/1pR1pk1p/1P1p1p2/5PP1/6KP/P3P3/8 w - - bm Kh4; id "arasan3.50";
>>>2b5/2N1n1k1/7p/P1n1bp2/2B5/6PP/5P2/3R2K1 w - - bm Nd5; id "arasan3.51";
>>>4rk1r/1bp1q1pp/1p2pp2/p2Pn3/Q7/PPN3P1/4PPBP/3R1RK1 w - - bm d6; id "arasan3.52";
>>>r1b1r1k1/pp3ppp/2p2n2/q1n5/2P5/2N3PB/PP1Q1P1P/2KR2NR b - - bm Ng4; id
>>>"arasan3.53";
>>>2kb4/r7/4p1r1/1RNn2p1/8/6P1/pB3PK1/7R w - - bm Be5; id "arasan3.54";
>>>4r1k1/1p3p1p/1q3npP/p2p4/P2N1bP1/1NP1rP2/1PQ5/R4R1K b - - bm Nxg4; id
>>>"arasan3.55";
>>>4rrk1/pp2n1pb/2pq3p/4Q2P/3P4/2P5/PP2B1P1/R1B1K2R b KQ - bm Qd7; id "arasan3.56";
>>>4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - - bm g4; id
>>>"arasan3.57";
>>>2r5/2q2p1k/p2r3p/4P3/1p3n1P/1P3P2/1PP2Q2/1KR1R3 b - - bm Qb6; id "arasan3.58";
>>>6k1/p4pp1/P1rbpn2/3q4/3P3R/2p1B3/r1R2PPP/3QN1K1 b - - bm Rxc2; id "arasan3.59";
>>>1r5k/pp5p/3Nn1p1/3R4/3b4/BP3rPP/P4P2/1R4K1 w - - bm Rxd4; id "arasan3.60";
>>>1n1qkb1r/2pn1ppp/4p3/1Q2N3/1p1P4/1P4P1/4NP1P/2B2RK1 w - - bm d5; id
>>>"arasan3.61";
>>>rn1r2k1/p4p2/1pp1pqp1/6Rp/3PB2P/8/PPPQ1P2/2KR4 w - - bm Bxg6; id "arasan3.62";
>>>r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - - bm Nxc7; id
>>>"arasan3.63";
>>>3r2k1/7p/p2r2p1/1ppPbq2/3n4/P3B2P/1PP2PB1/1RQR3K b - - bm Rxd5; id "arasan3.64";
>>>2r3k1/2r3bp/1q1p1np1/3Pp3/1P2Pn2/2B2P2/R2QN1P1/1N3K1R w - - am Nxf4; id
>>>"arasan3.65";
>>
>>Results:
>>
>><=Sec Solved Total PosNr
>>----- ------ ------ -----------------------------------------------------------
>> 1 6 6 10 27 31 36 46 51
>> 2 3 9 19 24 50
>> 4 1 10 3
>> 5 2 12 16 17
>> 6 1 13 26
>> 9 1 14 32
>> 10 2 16 53 57
>> 13 1 17 7
>> 24 1 18 8
>> 25 1 19 4
>> 32 1 20 20
>> 33 2 22 38 58
>> 34 2 24 6 49
>> 47 1 25 13
>> 48 1 26 42
>> 51 1 27 28
>> 58 1 28 21
>> 67 1 29 40
>> 69 1 30 23
>> 89 1 31 34
>> 139 1 32 56
>> 178 1 33 2
>> 219 1 34 14
>> 243 1 35 48
>> 267 1 36 55
>> 277 1 37 33
>>Failure 1 5 9 11 12 15 18 22 25 29 30 35 37 39 41 43 44 45 47 52
>> 54
>>
>>37 problems solved.
>>21 problems unsolved.
>>
>>
>>I will look at the unsolvable problems.
>>
>>I know that for problem 1 it simply needs slightly more time.
>>
>>Problem 5 may be a victim of a wrong fail high and I will check it.
>>Movei publish every fail high even if it is a wrong fail high and in the case of
>>problem 5 there was a fail high on another move that movei had not enough time
>>to solve.
>>
>>Here is the end of the analysis of problem 5:
>>
>>yes 10 104180 -35 23870438 e4f6 g7f6 g5e4 f6f5 f1f3 d8b6 e4f6 g8h8
>> f6d7 b6b2 a1e1 e3d2 e1e6 e8e6 c4e6 b2c2
>>yes 11 140070 -74 32808284 e4f6 g7f6 g5e4 f6f5 f1f3 d8b6 e4f6 g8h8
>> f6d7 b6b2 a1f1 b2c2 d7f6 e8d8 c4e6 d8d6
>> f3e3
>>no 11 279800 -73 63487182 h2h4
>>
>>Uri
>
>It seems that the fail high is not wrong fail high and the question now is if
>Nf6+ is the right move.
>
>Movei analyze again the same position:
>
>11 -73 28743 63487182 h2h4
>11 -44 32649 70929363 h2h4
>11 -43 42354 90214479 h2h4 e3d4 c2c3 d4e5 a1d1 f6g5 h4g5 e5c3 e4c3 d8a5 c4d3
>11 -43 52828 114296386 h2h4 e3d4 c2c3 d4e5 a1d1 f6g5 h4g5 e5c3 e4c3 d8a5 c4d3
>12 -25 69633 147121196 h2h4 e3d4 c2c3 f6g5 c3d4 g5h4 d6f4 h6f7 e4g5 f7g5 f4g5 d
>8c7 h5h4
>
>
>I will wait for it to finish depth 12 to see if it consider h4 as the best at
>this depth and after it I may analyze with other programs.
>
>Uri
Movei cannot see it at depth 12 and it seems to be tactics that is too deep for
movei even at depth 12
Here is for comparison shredder's analysis:
New game
[D]r2qr1k1/pp1b2pp/2nBpp1n/6NQ/2B1N3/P3b3/1PP3PP/R4R1K w - - 0 1
Analysis by Shredder 7.04:
1.Bxe6+ Bxe6 2.Nxe6 Rxe6
-+ (-3.26) Depth: 1/4 00:00:00
1.Bxe6+ Bxe6 2.Nxe6 Rxe6
-+ (-2.87) Depth: 1/4 00:00:00
1.Nxe6 Bxe6
-+ (-2.75) Depth: 1/4 00:00:00
1.Nxe6 Bxe6
-+ (-2.75) Depth: 1/4 00:00:00
1.Nxf6+ Qxf6
-+ (-2.34) Depth: 1/4 00:00:00
1.Nxf6+ gxf6
-+ (-1.58) Depth: 1/4 00:00:00
1.Nxf6+ gxf6 2.Qxh6 Bxg5
-+ (-1.52) Depth: 1/6 00:00:00
1.Rae1 Bxg5 2.Nxg5 fxg5
-+ (-1.42) Depth: 1/6 00:00:00
1.Rae1 Bxg5 2.Nxg5 fxg5
-+ (-1.42) Depth: 1/8 00:00:00
1.Nf3
µ (-0.96) Depth: 1/8 00:00:00
1.Nf3
³ (-0.31) Depth: 1/8 00:00:00
1.Nf3
³ (-0.31) Depth: 1/8 00:00:00
1.Nf3 Nf5
³ (-0.64) Depth: 2/8 00:00:00
1.Nf3 Nf5
³ (-0.64) Depth: 2/8 00:00:00
1.Nf3 Qa5 2.Nc5
³ (-0.45) Depth: 3/10 00:00:00
1.Nf3 Qa5 2.Nc5 Kh8
³ (-0.60) Depth: 4/10 00:00:00
1.Nf3 Qa5 2.Bc5 Bxc5 3.Nxc5 Qc7 4.Nxd7 Qxd7
³ (-0.39) Depth: 5/13 00:00:00
1.Nf3 Na5 2.Ba2 Bc6 3.Bc5 Nf5 4.Bxe3 Nxe3
³ (-0.54) Depth: 6/16 00:00:00 58kN
1.Nf3 Kh8 2.Rad1 Qa5 3.Nc5 Rad8 4.c3
³ (-0.46) Depth: 7/19 00:00:01 167kN
1.Nf3 Na5 2.Ba2 Rc8 3.Bc5 Bxc5 4.Nxc5 b6 5.Nxd7 Qxd7
³ (-0.62) Depth: 8/22 00:00:03 606kN
1.Nf3 Qb6 2.Bc5 Bxc5 3.Nxc5 Ne5 4.Nxd7 Nxd7 5.Rad1 Qc5 6.Qxc5 Nxc5 7.Rfe1
³ (-0.53) Depth: 9/26 00:00:12 2022kN
1.Nf3 f5 2.Nc3 Na5 3.Ba2 Ba4 4.Bf4 Bxf4 5.Nxa4
³ (-0.66) Depth: 10/26 00:00:24 3939kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Na5 4.Rxe3 fxe4 5.Qxh6 Nxc4
³ (-0.65) Depth: 10/26 00:00:27 4417kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Na5 4.Rxe3 Nxc4 5.Rg3+ Kh8 6.Qxh6 fxe4 7.Qg7#
³ (-0.30) Depth: 10/26 00:00:28 4573kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Bd4 4.Qxh6 Bg7 5.Qh5 fxe4 6.Rxe4 Kh8 7.Rh4 h6 8.Rf7
= (-0.02) Depth: 10/30 00:00:40 6533kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Bd4 4.Qxh6 Bg7 5.Qh5 fxe4 6.Rxe4 Kh8 7.Rh4 Bxb2
8.Qxh7#
= (0.23) Depth: 11/32 00:00:51 8363kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Bd4 4.Qxh6 Bg7 5.Qh5 fxe4 6.Rxe4 Kh8 7.Rh4 Bxb2
8.Qxh7#
± (0.73) Depth: 11/34 00:00:57 9372kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Bd4 4.Qxh6 Bg7 5.Qh5 fxe4 6.Rxe4 Kh8 7.Rg4 Re7
8.Bd3
± (1.23) Depth: 11/34 00:01:09 11316kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rae1 Bd4 4.Qxh6 Bg7 5.Qh5 fxe4 6.Rxe4 Kh8 7.Rg4 Re7
8.Bxe7 Bxb2 9.Bxd8
+- (1.48) Depth: 12/34 00:01:43 16757kN
1.Nxf6+ gxf6 2.Ne4 f5 3.Rf3 Bd4 4.Rg3+ Ng4 5.Rf1 b5 6.Rxg4+ fxg4 7.Ng5 bxc4
8.Qxh7#
+- (1.98) Depth: 12/36 00:02:27 23735kN
1.Nxf6+ gxf6 2.Ne4 Kh8 3.Nxf6 Qa5 4.Qh3 Qg5 5.Ne4 Qg7 6.Qxe3
+- (2.40) Depth: 12/36 00:04:14 40388kN
(Blass, Tel-Aviv 17.05.2003)
Uri
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