Author: Terry Ripple
Date: 16:43:39 09/02/02
Go up one level in this thread
On September 02, 2002 at 14:13:18, Roy Eassa wrote:
>On September 02, 2002 at 14:07:18, Terry Ripple wrote:
>
>>On September 02, 2002 at 13:12:39, Roy Eassa wrote:
>>
>>>On September 02, 2002 at 00:56:19, Jouni Uski wrote:
>>>
>>>>[D]r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 19
>>>>
>>>>best move is Re1!!, which Brutus played in tournament level
>>>>(Qh5+ seems to lead to draw)
>>>>in my AMD 450 Mhz no program finds Re1 in 1 hour (Goliath 3.6 took 61 min)
>>>>
>>>>Jouni
>>>
>>>
>>>I'm pretty sure Fritz 7 wouldn't find it in under an hour.
>>>
>>>Here's a quick analysis:
>>>
>>>
>>>1.Re1!
>>>
>>> [or 1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+ Rxg8 6.f4 +-]
>>>
>>>1...Be8 2.Qh6+ Kg8 3.Re3 Nxe5
>>>
>>> [3...Bh4 4.Re4 Bxf2+ 5.Kh1 Nxe5 6.Rxe5 Bxd4 7.Rg5+ Qxg5 8.Bxg5 Bg7
>>> 9.Qxe6+ Bf7 10.Qg4 +-]
>>>
>>>4.Qxe6+ Rf7 5.Rg3+ Kh8 6.Bf4 Nf3+ 7.gxf3 Bf6 8.Be5 +-
>>----------------------------------
>>I'am only using an AMD 266 Mhz with 64 Ram! I let Fritz run for almost 4 hours
>>which should simulate a faster (1,000 Mhz) processor running around 1 hour.
>>
>>Fritz 7 didn't find "Re1", but the line it uses wins back a Rook and the passed
>>pawns on the Kingside look dangerous for Black in the ending if played correctly
>>
>>Regards,
>> Terry
>>
>> New position
>>r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 1
>>
>>Analysis by Fritz 7:
>>
>>1.Qh5+
>> ± (1.38) depth: 7/24 00:00:00 31kN
>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8
>> +- (1.41) depth: 8/19 00:00:00 60kN
>>1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 6.dxe5 Qxf8
>> +- (1.41) depth: 9/23 00:00:01 140kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qh5 Be8 6.Qh3 Bg6
>> +- (1.41) depth: 10/23 00:00:03 341kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 7.f4
>> ± (1.16) depth: 11/27 00:00:09 1053kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8
>> ± (1.16) depth: 12/33 00:00:33 3846kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qh7 6.Be3
>> ± (1.10) depth: 13/36 00:03:49 25279kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
>> ± (1.10) depth: 14/36 00:08:29 57986kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
>> ± (1.07) depth: 15/39 00:23:03 161173kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
>> ± (1.04) depth: 16/43 01:22:05 574067kN
>>1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
>> ± (0.97) depth: 17/45 03:41:49 1573278kN
>
>
>The line you give is identical to the line I showed in the first variation. It
>is a perfectly good line and should also win the game. Too bad this position
>didn't have just a single winning line.
-------------------------------------------
Searching for over 12 hours Fritz 7 still says that Qh5+ is a good move and i
also believe that it's a good move!
Regards,
Terry
New position
r2q1r1k/p2bb3/1pn1p1Q1/4P3/2pP4/2P5/P4PPP/1RB2RK1 w - - 0 1
Analysis by Fritz 7:
1.Qh5+
± (1.38) depth: 7/24 00:00:00 31kN
1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8
+- (1.41) depth: 8/19 00:00:00 60kN
1.Qh5+ Kg8 2.Bh6 Bf6 3.Qg6+ Kh8 4.Bxf8 Bxe5 5.Qh5+ Kg8 6.dxe5 Qxf8
+- (1.41) depth: 9/23 00:00:01 140kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qh5 Be8 6.Qh3 Bg6
+- (1.41) depth: 10/23 00:00:03 341kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8 7.f4
± (1.16) depth: 11/27 00:00:09 1053kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qg6 6.Qh3 Kg8
± (1.16) depth: 12/33 00:00:33 3846kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qf3 Qh7 6.Be3
± (1.10) depth: 13/36 00:03:49 25279kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
± (1.10) depth: 14/36 00:08:29 57986kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
± (1.07) depth: 15/39 00:23:03 161173kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
± (1.04) depth: 16/43 01:22:05 574067kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
± (0.97) depth: 17/45 03:41:49 1573278kN
1.Qh5+ Kg8 2.Bh6 Rf7 3.Qg6+ Kh8 4.Qxf7 Qg8 5.Qxg8+
± (0.97) depth: 18/49 12:38:51 5448205kN
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