Author: Kurt Utzinger
Date: 08:00:50 04/05/03
Go up one level in this thread
On April 05, 2003 at 10:53:38, Jorge Pichard wrote:
>On April 05, 2003 at 10:30:03, Kurt Utzinger wrote:
>
>>On April 05, 2003 at 09:41:33, Jorge Pichard wrote:
>>
>>>This position taken from a game considered by Alekhine to be one of his best two
>>>games ever played.
>>>
>>>Baden-Baden Tournament, May 1925.
>>>
>>>White: R. Reti Black Alekhine:
>>>
>>>In this position Alekhine wrote " It seems almost incredible that this
>>>spectacular move not only stops White's attack but even brings him serious
>>>trouble". The only reason why Reti got into trouble was because he chose 27.
>>>Kt-B3?! Instead of the better move chosen by Fritz 8 27. bxc6! this is what
>>>Alekhine wrote " It is obvious enough that the Rook can't be taken because of
>>>27....QxP+. followed by 28.....KtxP and wins.
>>>
>>>The move found by Alekhine 26....R-K6! is a great challenge for most top
>>>programs, since I have NOT found any programs that will select this move.
>>>
>>>[D]r3r1k1/1pq2pp1/2p2n2/1PNn4/2QN2b1/6P1/3RPP2/2R3KB b - - 0 1
>>>
>>>This is what Fritz 8 plays after:
>
>
>1... Re6 2. bxc6 Re5 {[%emt 0:03:03]} 3. cxb7 {[%emt 0:01:40]} Rb8 {
>[%emt 0:02:53]} 4. Ndb3 {[%emt 0:02:04]} Rxb7 {[%emt 0:04:25]} 5. Bxd5 {
>[%emt 0:00:51]} Rb6 {(Rb8) [%emt 0:02:59]} 6. Bg2 {[%emt 0:02:29]} Re8 {
>[%emt 0:04:54]} 7. Nd4 {(e4) [%emt 0:02:59]} Qe5 {[%emt 0:04:05]} 8. Qa4 {
>[%emt 0:04:10]} Qb8 {(Qh5) [%emt 0:04:07]} 9. Nc6 {[%emt 0:02:51]} Rb1 {
>[%emt 0:03:22]} 10. Nxb8 {[%emt 0:02:11]} Rxc1+ {[%emt 0:00:29]} 11. Rd1 {
>[%emt 0:02:36]} Rxc5 {[%emt 0:01:02]} 12. Na6 {[%emt 0:02:11]} Rc3 {
>[%emt 0:01:53]} 13. f3 {[%emt 0:02:25]} Be6 {[%emt 0:01:47]} 14. Qa5 {
>[%emt 0:02:55]} *
>
>And here is the Position after 14 more moves, White is obviously winning:
>
>[d}4r1k1/5pp1/N3bn2/Q7/8/2r2PP1/4P1B1/3R2K1 b - - 0 14
>
>
>-------------------------------------------------------------------------------
>
>>>Here is the other brillian game considered by Alekhine to be his best two games
>>>ever played.
>>>
>>>http://www.geocities.com/lifemasteraj/bogo-alek1.html
>>
>>Hi Jorge
>>You have not tested enough programs with enough time. There are several engines
>>to find the nice ... Re3 move. Junior7 and Gambit Tiger 2 belong to those
>>programs which only need some seconds. The solving time of other engines can be
>>found at http://www.computerschach.de/test/index.htm
>>
>>r3r1k1/1pq2pp1/2p2n2/1PNn4/2QN2b1/6P1/3RPP2/2R3KB b - - 0 1
>>
>>Analysis by Junior 7:
>>
>>1...cxb5 2.Nxb5 Qa5 3.Rxd5
>> ± (0.84) Depth: 3 00:00:00
>>1...Ne3 2.Qd3 Ned5
>> ³ (-0.38) Depth: 6 00:00:00 10kN
>> = (0.00) Depth: 9 00:00:00 191kN
>>1...Bh3 2.bxc6 bxc6 3.Nxc6 Qxc6 4.Rxd5 Nxd5 5.Bxd5 Qf6 6.Ne4 Qf5 7.Bxa8 Rxa8
>> = (-0.20) Depth: 9 00:00:00 233kN
>> = (0.20) Depth: 12 00:00:02 2107kN
>>1...Re3 2.Bf3 Bxf3 3.exf3 Rea3 4.Re2 Ra1 5.Ree1 Rxc1 6.Qxc1
>> = (0.09) Depth: 12 00:00:10 10268kN
>> = (-0.15) Depth: 14 00:00:32 32309kN
>>
>>(Utzinger, MyTown 05.04.2003)
>>
>>Reti - Aljechin
>>r3r1k1/1pq2pp1/2p2n2/1PNn4/2QN2b1/6P1/3RPP2/2R3KB b - - 0 1
>>
>>Analysis by Gambit Tiger 2.0:
>>
>>1...Ra3 2.Rd3 Rxd3 3.Nxd3 Nb6 4.Qc2 Qd6 5.e3 cxb5 6.Nxb5 Qe7
>> ² (0.28) Depth: 7 00:00:00 135kN
>> ² (0.34) Depth: 9 00:00:04 1381kN
>>1...Re3 2.Bf3 Bxf3 3.exf3 Rea3 4.bxc6 bxc6 5.Rb2 Nb6 6.Qe2 Re8 7.Qf1 Re5
>> = (0.14) Depth: 9 00:00:07 2270kN
>> = (-0.06) Depth: 12 00:00:36 11847kN
>>
>>(Utzinger, MyTown 05.04.2003)
>
>
>What kind of Analysis did you run: Infinite Analysis, Full Analysis, or Deep
>Position Analysis ?
>
>Pichard
Hi Jorge
I used "Infinite Analysis" [Alt F2] on P4 1.8/32 MB hash
Kurt
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