Author: Dann Corbit
Date: 22:00:08 11/27/00
Go up one level in this thread
On November 27, 2000 at 19:29:46, Bruce Moreland wrote:
>On November 27, 2000 at 19:14:48, Robert Hyatt wrote:
>
>>On November 27, 2000 at 17:34:07, Mogens Larsen wrote:
>>
>>>On November 27, 2000 at 12:51:26, Jeremiah Penery wrote:
>>>
>>>>Position #1
>>>>
>>>>r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - -
>>>
>>>Analysis by Gandalf 4.32g:
>>>
>>>1.Ra3 Be7
>>> -+ (-1.52) Depth: 2 00:00:00
>>>1.Qc1
>>> -+ (-1.50) Depth: 2 00:00:00
>>>1.Qc1 Be7
>>> µ (-0.96) Depth: 2 00:00:00
>>>1.Qc1 Rc8 2.Ra3
>>> µ (-0.88) Depth: 3 00:00:00
>>>1.Qc1 Qxa4 2.Qxc4 Nf4
>>> µ (-1.20) Depth: 4 00:00:00
>>>1.Qc1 Nd3 2.Bxd3 cxd3 3.f3 Qxa4
>>> µ (-1.31) Depth: 5 00:00:00 57kN
>>>1.Qd4
>>> µ (-1.29) Depth: 5 00:00:01 57kN
>>>1.Qd4 Rc8 2.Nxh6 Nf6 3.Nxf6 Rxe1+ 4.Kh2
>>> µ (-1.20) Depth: 5 00:00:01 100kN
>>>1.Qd4 Rc8 2.Ne3 Nxe3 3.Rexe3 Qf7 4.Nc3 Rxe3 5.Qxe3
>>> µ (-1.04) Depth: 6 00:00:02 250kN
>>>1.Qd4
>>> ³ (-0.59) Depth: 7 00:00:08 950kN
>>>1.Qd4 Nf4 2.Qxc4 Qxa4 3.Qc7 Bxe4 4.Bxe4 Ne2+ 5.Rxe2 Qd1+
>>> ³ (-0.49) Depth: 7 00:00:14 1800kN
>>>1.Qd4 Rc8 2.Nxh6 Rc7 3.Nxd6 Rxe1+ 4.Kh2 Nc2 5.Nhf7+ Rxf7
>>> ³ (-0.46) Depth: 8 00:00:46 7200kN
>>>1.Qd4 c3 2.Bxc3 Nxc3 3.Rxc3 d5 4.Rc7 Qb8 5.Rd7 dxe4
>>> µ (-1.23) Depth: 9 00:01:52 19850kN
>>>1.Qd4 c3 2.Bxc3 Nxc3 3.Qxb4 Nxe4 4.Qxb7 Rb8 5.Qxb8 Qxb8
>>> -+ (-1.68) Depth: 10 00:07:21 73200kN
>>>1.Kh2
>>> -+ (-1.66) Depth: 10 00:10:11 100800kN
>>>1.Kh2 c3 2.Nxh6 Rxh6 3.Nxc3 Qf7 4.Nxd5 Nxd5 5.Qb3 Rc8
>>> µ (-1.10) Depth: 10 00:14:19 140650kN
>>>1.Nxh6
>>> µ (-1.08) Depth: 10 00:18:39 183300kN
>>>1.Nxh6 c3 2.Kf1 Rxh6 3.Nxc3 Qf7 4.Qg4 a5 5.Rf3 Nf6
>>> µ (-1.07) Depth: 10 00:19:23 190850kN
>>>1.Nxh6
>>> ³ (-0.62) Depth: 11 00:30:00 294850kN
>>>1.Nxh6 c3 2.Nf5 cxb2 3.Qg4 g6 4.Re2 Qd7 5.Nd4 Re7
>>> = (-0.12) Depth: 11 00:35:37 346900kN
>>>
>>>Stopped analysis after 40 minutes on an A800 with 56Mb hash.
>>>
>>>Best wishes...
>>>Mogens
>>
>>This looks like a case of "right move" but "wrong reason". Which is the thing
>>the Nolot test is supposed to detect...
>
>The first 5 moves of PV are correct. The 6th ply move (3. ... g6) is supposedly
>refuted by 4. Kh2!
>
>I don't know that any program has ever done better than this, including DT. I
>don't have the DB results because those aren't public.
>
>Other programs have found this line, but I don't think that any program has
>proven that it wins.
>
>The original article mentioned that DT found the line after an overnight search,
>but there was no mention of the score returned.
>
>Mine has found this for several years, but it returns a slightly negative score.
> The line it currently produces is not very good.
Here is what Phalanx says:
10 -45 25392 40682085 Qd1-d4 Ra8-c8 Ng4-e3 Qe8-f7 Ne3xc4 Nd5-f6
Nc4-d2 Nb4-c2 Bb1xc2 Rc8xc2 Rg3-e3 Bf8-e7
10 -> 8:01.71 75703860 0 turns
11 -45 127898 203264517 Qd1-d4 ??
11 -222 142673 227390399 Qd1-d4 Pc4-c3 Bb2xc3 Nd5xc3 Rg3xc3 Pd6-d5
Rc3-c7 Bb7-c6 Ng4-e3 Pd5xe4 Pa4-a5
11 -217 170152 267322772 Ng4xh6 !
11 -103 205672 324070501 Ng4xh6 Pc4-c3 Nh6-f5 Pc3xb2 Qd1-g4 Pg7-g6
Nf5-h4 Kh8-g7 Nh4xg6 Re6xg6 Qg4xg6 Qe8xg6
Rg3xg6 Kg7xg6 Ne4xd6 Kg6-g7 Nd6xb7
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