Author: Drexel,Michael
Date: 14:14:04 04/05/03
Go up one level in this thread
On April 05, 2003 at 16:32:11, Jorge Pichard wrote:
>On April 05, 2003 at 15:21:54, Jorge Pichard wrote:
>
>>On April 05, 2003 at 13:12:31, Drexel,Michael wrote:
>>
>>>On April 05, 2003 at 11:33:01, Jorge Pichard wrote:
>>>
>>>>On April 05, 2003 at 11:00:50, Kurt Utzinger wrote:
>>>>
>>>>>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
>>>>
>>>>
>>>>Sorry I was using the wrong Analysis:New game
>>>>
>>>>
>>>>
>>>>Analysis by Fritz 8:
>>>>
>>
>>
>>Analysis by Fritz 8:
>>
>>1...Re3 2.Bg2 Bh3 3.Bf3 Rea3 4.bxc6 bxc6 5.Ncb3 R8a4 6.Qc5 Qb6 7.Qxb6
>>
>> ± (0.78) Depth: 14/42 00:23:05 791528kN
>>1...Ra3 2.Ncb3 Qb6 3.Rb2 Ne7 4.Rcb1 cxb5 5.Qxb5 Qxb5 6.Nxb5 Ra4
>> ± (0.75) Depth: 14/42 00:36:53 1280447kN
>> ± (0.78) Depth: 15/43 01:09:00 2416013kN
>>1...Re3 2.Bg2 Rxg3 3.e3 Rxg2+ 4.Kxg2 Qe5 5.bxc6 Qh5 6.Kg1
>> ± (0.75) Depth: 15/43 01:18:17 2750122kN
>> ² (0.31) Depth: 16/47 03:46:07 8017463kN
>>
>>(Pichard, MyTown 05.04.2003)
>>
>>
>>
>>>2.Bg2?! Rxg3! and black has some chances after the forced 3.e3.
>>>3...Qe5 for example.
>>>2.Bf3 and 2.Kh2 are better moves.
>
>
>I found this Analysis by Alekhine on his book my best games of Chess, he Wrote:
>"the only chance of salvation was 2.B-B3!, BxB 3.PxB!, PxP; 4.KtxP, Q-QR4!
>still with advantage for Black, as 5.RxKt? would lose immediately after 5....
>R-K8 ch; 6.RxR, QxR ch followed by 7.R-R8
>
>Pichard
He was wrong. 8.Rd8+ Kh7 9.Qh4+ Kg6 10.f4! +-.
Kasparov wrote:
Alas Alekhine's original attempt to complicate the position could have been met
by simply 27.Bf3 Bxf3 28.exf3 ending Black's activity.
Michael
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