Author: Uri Blass
Date: 01:18:20 05/29/01
Go up one level in this thread
On May 29, 2001 at 03:07:56, Miguel A. Ballicora wrote:
>On May 29, 2001 at 01:16:23, Dann Corbit wrote:
>
>>On May 29, 2001 at 00:58:44, Jouni Uski wrote:
>>
>>>[D]r1b1Rbk1/pp3p2/2np3p/2qp2p1/3N4/1QPB3P/PP3PPB/6K1 w - -
>>>
>>>(Sorry if this is discussed already.)
>>>In this position Ferret played Ne6!!, which I found really stunning. I tested
>>>position with many engines and long time - no one including Gambit Tiger plays
>>>it...
>>>Was it book? Is may be Nb5 even stronger.
>>>
>>>BTW Congratulations for Bruce to win with outdated hardware CCT3!
>>>
>>>Jouni
>>
>>Analysis by Yace:
>>
>>white ( 1): test bruce.ci
>>title position 1
>>Stored 0 learned positions into hash table
>>solution Ne6 Nb5
>>usetime = 9998.00, mintime = 9998.00 maxtime = 9998.00 tl 9998.00 ml 0
>> 27 0.001 -0.95 1t 1.Rxc8 Rxc8 2.Qxb7 Nxd4 3.cxd4 {-150}
>> 53 0.002 0.13 1t 1.Nxc6 bxc6 {-80}
>> 143 0.002 0.22 1t 1.Qd1 Nxd4 2.cxd4 Qxd4 3.Bxd6 {-80}
>> 252 0.003 0.37 1t 1.Bf5 Nxd4 2.cxd4 {-80}
>> 430 0.004 0.51 1t 1.Ne2 {-80}
>> 441 0.005 0.51 1. 1.Ne2 {-80}
>> 661 0.005 0.45 2t 1.Ne2 b6 {-80}
>> 1457 0.008 0.45 2. 1.Ne2 b6 {-80}
>> 2785 0.013 0.40 3t 1.Ne2 d4 2.Bg6 {-80}
>> 11077 0.042 0.43 3t+ 1.Nb5 a5
>> 11273 0.043 0.46 3t 1.Nb5 Ne5 2.Bf5 {-80}
>> 11338 0.044 0.46 3. 1.Nb5 Ne5 2.Bf5 {-80}
>> 14973 0.055 0.42 4t 1.Nb5 Ne5 2.Bf5 a6 {-80}
>> 22012 0.075 0.43 4t+ 1.Qd1 Qxd4 2.cxd4 Nxd4 {501}
>> 23047 0.079 0.46 4t 1.Qd1 Nxd4 2.cxd4 Qb4 3.Bf5 {-80}
>> 48476 0.135 0.46 4. 1.Qd1 Nxd4 2.cxd4 Qb4 3.Bf5 {-80}
>> 64090 0.176 0.35 5t 1.Qd1 Nxd4 2.cxd4 Qc6 3.Qe1 b5 {-80}
>> 67196 0.184 0.36 5t+ 1.Nb5 Nd4 2.cxd4 Qxd4 {180}
>> 79874 0.219 0.67 5t 1.Nb5 Ne5 2.Bc2 Nc4 3.Nd4 {-80}
>> 142589 0.325 0.67 5. 1.Nb5 Ne5 2.Bc2 Nc4 3.Nd4 {-80}
>> 210311 0.516 0.64 6t 1.Nb5 Ne5 2.Qd1 f6 3.b4 Qc6 {-80}
>> 387948 0.859 0.65 6t+ 1.Qc2 Nxd4 2.cxd4 Qxd4 3.Bxd6 Kg7 4.Bxf8+ Kg8
>> {270}
>> 394571 0.874 0.70 6t 1.Qc2 Nxd4 2.cxd4 Qxc2 3.Bxc2 Kg7 4.Bf5 Bxf5
>> 5.Rxa8 {70}
>> 522542 1.162 0.70 6. 1.Qc2 Nxd4 2.cxd4 Qxc2 3.Bxc2 Kg7 4.Bf5 Bxf5
>> 5.Rxa8 {70}
>> 575743 1.276 0.54 7t 1.Qc2 Nxd4 2.cxd4 Qxc2 3.Bxc2 b6 4.Bxd6 Bb7
>> 5.Bb8 {0}
>> 654504 1.466 0.55 7t+ 1.Nb5 Ne5 2.Bf5 Bxf5 3.Rxa8 Nd3 4.Rxf8+ Kg7
>> {420}
>> 729294 1.671 0.64 7t 1.Nb5 Ne5 2.Bc2 Nc4 3.Nd4 Ne5 4.Bf5 {-80}
>> 1310670 2.757 0.64 7. 1.Nb5 Ne5 2.Bc2 Nc4 3.Nd4 Ne5 4.Bf5 {-80}
>> 1701167 3.646 0.87 8t 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Nxa8 exd3
>> 5.Qd1 {60}
>> 3033464 6.003 0.87 8. 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Nxa8 exd3
>> 5.Qd1 {60}
>> 3788322 7.587 1.05 9t 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Nxa8 exd3
>> 5.Rd8 b5 6.Rxd5 {140}
>> 7542582 13.952 1.05 9. 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Nxa8 exd3
>> 5.Rd8 b5 6.Rxd5 {140}
>> 10307300 19.432 1.44 10t 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Bxe4 dxe4
>> 5.Nxa8 Qc6 6.Rd8 Bd7 {140}
>> 18434843 33.211 1.44 10. 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Bxe4 dxe4
>> 5.Nxa8 Qc6 6.Rd8 Bd7 {140}
>> 23279977 42.811 1.55 11t 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Bxe4 dxe4
>> 5.Nxa8 Qc6 6.Rd8 Bd7 7.Qd1 {140}
>> 45474172 1:19.6 1.55 11. 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Bxe4 dxe4
>> 5.Nxa8 Qc6 6.Rd8 Bd7 7.Qd1 {140}
>> 62641271 1:54.8 1.45 12t 1.Nb5 Ne5 2.Bxe5 dxe5 3.Nc7 e4 4.Bxe4 dxe4
>> 5.Nxa8 Qc6 6.Rd8 Kg7 7.Qd1 Bc5 {140}
>> 149487856 4:44.5 1.46 12t+ 1.Ne6 fxe6 2.Qd1 Ne7 3.Qh5 Kg7 4.Bh7 Qb6
>> 5.Rxe7+ Kf6 6.Bxd6 g4 7.Qf7+ Kg5 8.Qg8+ Bg7
>> 9.Rxg7+ Kf6 {350}
>> 164825256 5:17.6 1.73 12t 1.Ne6 fxe6 2.Qd1 Bd7 3.Rxa8 Ne7 4.h4 Nc8 5.hxg5
>> hxg5 6.Qh5 Be7 7.Qh7+ Kf8 8.Bg6 {80}
>> 176964457 5:41.1 1.73 12. 1.Ne6 fxe6 2.Qd1 Bd7 3.Rxa8 Ne7 4.h4 Nc8 5.hxg5
>> hxg5 6.Qh5 Be7 7.Qh7+ Kf8 8.Bg6 {80}
>> 308712897 10:34.3 1.89 13t 1.Ne6 Bxe6 2.Rxa8 d4 3.Qxb7 dxc3 4.bxc3 Kg7
>> 5.Bb5 Nd4 6.Qb8 Nxb5 7.Qxf8+ Kg6 8.a4 Nxc3
>> 9.Bxd6 {160}
>>
>>Nb5 is yet another insipid, uninspiring, computer-chess pawn grab. Ne6 is a
>>breathtaking GM style move that leaves Nb5 wallowing in the mire (to me anyway
>>-- it may be that I simply don't see the beauty of Nb5).
>>
>>Ne6 is *grotesquely* superior in my book.
>
>Gaviota wants to play after 2 min Nxc6, which is also good. It wins the exchange
>at least after bxc6 and Ba6 or after 1 ... Qxc6 2. Bb5
>But of course Ne6 is better!!!
>I did a fast forward in the position to see a line 1. Ne6 fxe6 2. Qd1 Ne7 3. Qh5
>Kg7 (Qxh6 was the threat) and now... this is what Gaviota wants to play
>
>[D]r1b1Rb2/pp2n1k1/3pp2p/2qp2pQ/8/2PB3P/PP3PPB/6K1 w - -
>
> 2162939 8 43.1 :-) Re8-d8
> 2597400 8 51.7 +2.33 Re8-d8 Bc8-d7 Rd8xa8 e6-e5
> Qh5-f3 Bd7-c8 Bh2-g3 Kg7-g8
> Qf3-d1
> 4735705 8 92.3 :-) Bd3-h7
> 5115440 8 100.0 +4.35 Bd3-h7 Bc8-d7 Re8xe7 Kg7-h8
> Bh7-d3 Bd7-e8 Re7xe8 Ra8xe8
> Qh5xe8 Kh8-g8 Qe8xe6 Kg8-h8
>
>4.Bh7!! is gorgeous, but the "human" line that is not showing is
>
>4. Bh7!! Bd7
>5. Rxe7+ Bxe7
>6. Qg6+ Kh8
>7. Bg8!! and if Rxg8
>8. Qh6#
>
>And as we say in Argentina with a finish like this: "This is a painting"
>Should be frame it?
>Unfortunately, this lines are never shown in PV line analysis or in computer
>games, because the other side tries to avoid it.
>
>The final position deserves a diagram:
>
>[D]6rk/pp1bb3/3pp2Q/2qp2p1/8/2P4P/PP3PPB/6K1 b - -
>
>Regards,
>Miguel
>PS: I think that this position with a pawn in a6 (to avoid other winning
>lines)could be a good test position.
Here Deep Fritz can find Ne6 in 2:39 on PIII800 but it seems that Nf5 is another
winning line.
New position
[D]r1b1Rbk1/1p3p2/p1np3p/2qp2p1/3N4/1QPB3P/PP3PPB/6K1 w - - 0 1
Analysis by Deep Fritz:
1.Rxc8!
³ (-0.41) Depth: 1/9 00:00:00
1.Nxc6!
= (0.00) Depth: 1/9 00:00:00
1.Nxc6! bxc6
² (0.38) Depth: 1/9 00:00:00
1.Bf5!
² (0.47) Depth: 1/9 00:00:00
1.Bf5! Nxd4
± (1.00) Depth: 1/9 00:00:00
1.Ne2!
± (1.09) Depth: 1/9 00:00:00
1.Ne2 d4
± (0.84) Depth: 2/7 00:00:00
1.Ne2 d4 2.c4
± (0.72) Depth: 3/9 00:00:00
1.Ne2 d4 2.Bc4 Ne5 3.Bxe5
² (0.66) Depth: 4/23 00:00:00 3kN
1.Nf3!
² (0.69) Depth: 4/23 00:00:00 5kN
1.Nf3! b5 2.Bf5 Bb7
± (0.97) Depth: 4/23 00:00:00 7kN
1.Nf3 b5 2.a4 bxa4 3.Qxa4 Kg7
± (0.88) Depth: 5/15 00:00:00 20kN
1.Nf3 d4 2.Bc4 Na5 3.Bxf7+ Kg7 4.Qd5 dxc3
² (0.59) Depth: 6/21 00:00:00 59kN
1.Ne2!
² (0.63) Depth: 6/23 00:00:00 81kN
1.Ne2! d4 2.Bc4 Ne5
² (0.66) Depth: 6/23 00:00:00 97kN
1.Qd1!
² (0.69) Depth: 6/23 00:00:00 177kN
1.Qd1! Nxd4 2.cxd4 Qb6 3.Bf5 Bxf5
± (0.78) Depth: 6/23 00:00:00 184kN
1.Qd1 Nxd4 2.cxd4 Qc6 3.Qe1 Kg7 4.Qe3 b5
± (0.78) Depth: 7/21 00:00:00 235kN
1.Qd1 Nxd4 2.cxd4 Qc6 3.Qe1 Kg7 4.b3 b5 5.Qe3
± (0.72) Depth: 8/23 00:00:00 454kN
1.Ne2!
± (0.75) Depth: 8/28 00:00:00 521kN
1.Ne2! d4 2.Bc4 Ne5 3.Bxe5 dxe5 4.Bxf7+ Kg7 5.Be6 d3
± (0.78) Depth: 8/28 00:00:01 667kN
1.Ne2 d4 2.Bc4 Kg7 3.cxd4 Qa5 4.Qd1 d5 5.Bb3
± (0.84) Depth: 9/29 00:00:02 1589kN
1.Ne2 b5 2.Bb1 a5 3.a4 b4 4.Qc2 f5 5.Qd3 Kg7
± (0.72) Depth: 10/31 00:00:08 5342kN
1.Ne2 b5 2.Bb1 d4 3.Qd1 Bb7 4.cxd4 Qb4 5.Rxa8 Bxa8 6.d5 Ne5
² (0.63) Depth: 11/35 00:00:17 11202kN
1.Ne2 b5 2.Bb1 d4 3.Qc2 f5 4.Qb3+ Kg7 5.Ng3 Qc4 6.Qd1 f4
² (0.53) Depth: 12/37 00:00:43 27917kN
1.Bf1!
² (0.56) Depth: 12/37 00:01:19 51341kN
1.Bf1! Nxd4 2.cxd4 Qc6 3.Qe3 Kg7 4.f4 f6 5.Bd3 Qa4 6.Bf5 Bxf5
² (0.59) Depth: 12/37 00:01:26 55304kN
1.Nf5!
² (0.63) Depth: 12/37 00:01:46 68516kN
1.Nf5! Bxf5 2.Rxa8 Bxd3 3.Qxb7 Ne5 4.Rc8 Qb5 5.Qa8
± (1.22) Depth: 12/37 00:01:54 73605kN
1.Nf5!
+- (1.53) Depth: 13/37 00:02:19 90767kN
1.Nf5! Bxf5 2.Rxa8 Bxd3 3.Qxb7 Ne5 4.Rc8 Qb5 5.Qa8 Ng6 6.Bxd6
+- (1.59) Depth: 13/37 00:02:31 98251kN
1.Ne6!
+- (1.63) Depth: 13/37 00:02:49 109644kN
1.Ne6! fxe6 2.Qd1 Ne5 3.Qh5 Qc7 4.Bxe5 dxe5 5.Qxh6 Qg7 6.Bh7+
+- (1.66) Depth: 13/37 00:02:52 111883kN
1.Ne6!
+- (1.97) Depth: 14/36 00:03:34 138324kN
1.Ne6! Bxe6 2.Rxa8 Ne5 3.Bxe5 dxe5 4.Qxb7 e4 5.Be2 e3 6.f3 a5
+- (2.13) Depth: 14/38 00:03:58 153331kN
(Blass, Tel-Aviv 29.05.2001)
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