Author: Dann Corbit
Date: 21:53:53 01/14/02
Go up one level in this thread
On January 15, 2002 at 00:03:49, Dann Corbit wrote:
>On January 14, 2002 at 23:35:23, James Doby wrote:
>
>>
>>
>> [D]4r3/2k1P2p/p1p1n1p1/1p1Q4/1q6/6N1/P4PPP/2R3K1 b - - 0 33
>>
>>In this final position Sagalchik resigned however Fritz7a doesn't see him as
>>lost at all, giving him a score of only -0.8, what's up with that?
>
>An interesting question. Here is the actual final position, and a bit of
>analysis by Pepito:
>
>Pepito> setboard 4r3/2k1P2p/p1p3p1/1p1Q4/1q1n4/6N1/P4PPP/2R3K1 w - - 0 34
>Pepito> go
> 5 57 92 16327 Qd5-e5 Qb4-d6 Rc1-e1 Qd6xe5 Re1xe5 Kc7-d6 Re5-e4
> 5 57 96 26196 Qd5-e5 Qb4-d6 Rc1-e1 Qd6xe5 Re1xe5 Kc7-d6 Re5-e4
> 6 24 103 52377 Qd5-e5 ?? Qb4-d6 Rc1-e1 Qd6xe5 Re1xe5 Kc7-d6 Re5-e4
> 6 14 108 73965 Qd5-e5 Qb4-d6 Qe5-e3 Re8xe7 Ng3-e4 Qd6-d5 f3
> 6 14 114 96570 Qd5-e5 Qb4-d6 Qe5-e3 Re8xe7 Ng3-e4 Qd6-d5 f3
> 7 -15 124 140882 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-e5
> 7 -15 150 230551 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-e5
> 8 -14 170 315177 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Kd6-d5
>Ne2-f4 Kd5-e4 Nf4-d3 c4
> 8 -14 209 455249 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Kd6-d5
>Ne2-f4 Kd5-e4 Nf4-d3 c4
> 9 -23 251 651398 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2
> 9 -23 327 969251 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2
>10 -23 404 1333929 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3
>10 -23 520 1817989 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3
>11 -31 693 2645324 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5
>11 -31 954 3764288 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5
>12 -31 1259 5207388 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5 Kg1-f1
>12 -31 1694 7054151 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5 Kg1-f1
>13 -31 2497 10702200 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5 Kg1-f1 Re2-c2
>13 -31 3620 15341311 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 a3 a5 Kg1-f1 Re2-c2
>14 -45 5522 24161529 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 c5 Ng3-e2 Re8xe7
>Ne2xd4 c5xd4 Rd1xd4 Kd6-c5 Rd4-d1 Re7-e2 Rd1-a1 b4 Kg1-f1 Re2-c2 Kf1-g1
>
>Hardly seems disastrous at this point.
Chess Tiger has it figured as very close to even:
4r3/2k1P2p/p1p3p1/1p1Q4/1q1n4/6N1/P4PPP/2R3K1 w - - ce -18; acd 16; acs 1; pv
Qe5+ Qd6 Qxd6+ Kxd6 Rd1 c5 Ne2 Ke5 Nxd4 cxd4 a4 Rxe7 axb5 axb5 Rb1 Kf6 Rc1;|!1
ChessMaster 8000:
Time Depth Score Positions Moves
6:19 7/12 -0.36 66417725 1. Qe5+ Qd6 2. Qxd6+ Kxd6 3. Rd1
c5 4. Ne2 Rxe7 5. Nxd4 cxd4 6.
Rxd4+ Kc5 7. Rd1 Re2 8. a3 Ra2
9. Rc1+ Kd5 10. Rd1+ Ke5
Phalanx says:
13 -70 68159 133602394 Qd5-e5 Qb4-d6 Qe5xd6 Kc7xd6 Rc1-d1 Pc6-c5
Ng3-e2 Re8xe7 Ne2xd4 Pc5xd4 Rd1xd4 Kd6-c5
Rd4-d1 Re7-e2 Rd1-a1 Re2-d2 Kg1-f1 Kc5-d4
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