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Subject: Re: Fritz7 knowledge

Author: Uri Blass

Date: 00:56:20 11/20/01

Go up one level in this thread


On November 19, 2001 at 20:41:27, Martin Giepmans wrote:

>On November 19, 2001 at 17:52:20, Vincent Diepeveen wrote:
>
>>On November 19, 2001 at 15:58:35, Martin Giepmans wrote:
>>
>>>On November 19, 2001 at 14:43:38, Ernst Walet wrote:
>>>
>>>>This is a nice king safety position from the Rebel site showing (likely) Fritz7
>>>>indeed has more king safety knowledge.
>>>>Futhermore Fritz7 (noMMX) seems to be the latest development of fritz6, as
>>>>surgested by many indeed.
>>>>
>>>>Ernst.
>>>>
>>>>[D]2r1r1k1/pp1nbpp1/4pn1p/q3NN1P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 w - - 0 1
>>>>
>>>>Analysis by Fritz 7:
>>>>
>>>>1.Nxd7 Nxd7
>>>>  =  (-0.16)   Depth: 6/23   00:00:00  81kN
>>>>1.Nxd7 Nxd7
>>>>  =  (-0.22)   Depth: 7/21   00:00:00  121kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 8/20   00:00:01  309kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 9/25   00:00:03  787kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 10/25   00:00:06  1536kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 11/25   00:00:15  4051kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 12/30   00:00:34  9217kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 13/31   00:01:24  22844kN
>>>>1.Nxd7 Nxd7 2.Rxe6 fxe6 3.Nxh6+ gxh6 4.Qg6+ Kh8 5.Qxh6+ Kg8 6.Qg6+ Kh8 7.Qh6+
>>>>Kg8 8.Qg6+
>>>>  =  (0.00)   Depth: 14/33   00:03:04  50519kN
>>>>1.Nxg7!
>>>>  =  (-0.03)   Depth: 14/34   00:03:59  65315kN
>>>>1.Nxg7! Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe4 Ng7 6.Bxg7 Kxg7 7.Rg3+ Kf8
>>>>  =  (0.00)   Depth: 14/35   00:04:31  74123kN
>>>>1.Nxg7!
>>>>  ²  (0.29)   Depth: 15/36   00:08:39  141614kN
>>>>1.Nxg7! Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe4 f5 6.exf6 Bxf6 7.Qg6+ Kh8
>>>>  ²  (0.32)   Depth: 15/40   00:10:10  166620kN
>>>>
>>>>(PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 19.11.2001)
>>>>
>>>>
>>>>Analysis by Fritz 7 (No MMX):
>>>>
>>>>1.Nxe7+--
>>>>  =  (0.06)   Depth: 1/5   00:00:00
>>>>1.Nxe7+--
>>>>  =  (0.06)   Depth: 1/5   00:00:00
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5
>>>>  =  (0.00)   Depth: 2/13   00:00:00
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5
>>>>  =  (0.00)   Depth: 3/13   00:00:00  1kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5 Nd5
>>>>  =  (-0.06)   Depth: 4/12   00:00:00  2kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nd5 3.Qg4 Nxf4 4.Qxf4 Nxe5 5.Qxe5
>>>>  =  (-0.09)   Depth: 5/17   00:00:00  20kN
>>>>1.Nxd7!
>>>>  =  (-0.06)   Depth: 5/18   00:00:00  27kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Bd6 Ree8 4.Qe2 Qg5
>>>>  =  (-0.09)   Depth: 6/18   00:00:00  40kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rd8 4.Qxc4 Qxh5 5.Rad1
>>>>  =  (-0.06)   Depth: 7/21   00:00:00  121kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Ree8 4.Qf3 Qb6 5.Re2 Rcd8
>>>>  =  (-0.09)   Depth: 8/21   00:00:00  249kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Be5 f6 5.Bf4 e5
>>>>  =  (-0.03)   Depth: 9/24   00:00:02  771kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Be5 f6 5.Bf4 e5
>>>>  =  (-0.06)   Depth: 10/27   00:00:04  1665kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Ree8 4.Qf3 b6 5.Bd6 Rcd8
>>>>  =  (-0.06)   Depth: 11/29   00:00:11  4820kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Be5 Rd8 4.b4 cxb3 5.Qxb3 Nxe5
>>>>  =  (-0.09)   Depth: 12/29   00:00:26  10942kN
>>>>1.Nxe7+!
>>>>  =  (-0.06)   Depth: 12/30   00:00:27  11335kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nd5 3.Qf3 N7b6 4.Qg3 Nxf4 5.Qxf4 Nxa4
>>>>  =  (-0.22)   Depth: 13/34   00:01:34  38813kN
>>>>1.Nxd7!
>>>>  =  (-0.19)   Depth: 13/34   00:01:36  39848kN
>>>>1.Nxd7! Nxd7 2.Nxe7+ Rxe7 3.Be5 Rd8 4.b4 cxb3 5.Qxb3 Nxe5
>>>>  =  (-0.09)   Depth: 13/37   00:01:58  49146kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Be5 Rd8 4.b4 cxb3 5.Qxb3 Nxe5
>>>>  =  (-0.09)   Depth: 14/33   00:03:07  78858kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5 4.Bh2 Rce8 5.Rad1 e5
>>>>  =  (-0.12)   Depth: 15/37   00:07:44  197970kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5 4.Be5 Nxe5 5.Qxe5 Qd8
>>>>  =  (-0.09)   Depth: 16/41   00:18:32  476242kN
>>>>1.Nxg7!
>>>>  =  (-0.06)   Depth: 16/41   00:34:12  883395kN
>>>>1.Nxg7! Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe4 Bf8
>>>>  ²  (0.66)   Depth: 16/41   00:38:39  998394kN
>>>>
>>>>(PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 19.11.2001)
>>>>
>>>>
>>>>Analysis by Fritz 6:
>>>>
>>>>1.Nxe7+--
>>>>  =  (0.03)   Depth: 1/5   00:00:00
>>>>1.Nxe7+--
>>>>  =  (0.03)   Depth: 1/5   00:00:00
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5
>>>>  =  (-0.03)   Depth: 2/13   00:00:00
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5
>>>>  =  (-0.03)   Depth: 3/13   00:00:00  1kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nxe5 3.Bxe5 Nd5
>>>>  =  (-0.09)   Depth: 4/15   00:00:00  2kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nd5 3.Qg4 Nxf4 4.Qxf4 Nxe5 5.Qxe5
>>>>  =  (-0.09)   Depth: 5/17   00:00:00  19kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nd5 3.Bh2 Nxe5 4.Bxe5 Rd7
>>>>  =  (-0.25)   Depth: 6/17   00:00:00  48kN
>>>>1.Nxd7!
>>>>  =  (-0.22)   Depth: 6/19   00:00:00  67kN
>>>>1.Nxd7! Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5
>>>>  =  (-0.12)   Depth: 6/19   00:00:00  74kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rd8 4.Bd6 Ree8 5.Qxc4 Qxh5
>>>>  =  (-0.09)   Depth: 7/21   00:00:00  133kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Ree8 4.Qf3 Qb6 5.Re2 Rcd8
>>>>  =  (-0.12)   Depth: 8/23   00:00:00  268kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Be5 f6 5.Bf4 e5
>>>>  =  (-0.06)   Depth: 9/25   00:00:02  820kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Be5 f6 5.Bf4 e5
>>>>  =  (-0.09)   Depth: 10/25   00:00:04  1752kN
>>>>1.Nxe7+!
>>>>  =  (-0.06)   Depth: 10/25   00:00:04  1891kN
>>>>1.Nxe7+ Rxe7 2.Qe2 Nd5 3.Bh2 N7b6 4.Bg3 Rec7 5.Nf3 Rd7
>>>>  =  (-0.19)   Depth: 11/29   00:00:16  6158kN
>>>>1.Nxd7!
>>>>  =  (0.00)   Depth: 11/29   00:00:16  6371kN
>>>>1.Nxd7! Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Be5 f6 5.Bf4 e5
>>>>  =  (-0.06)   Depth: 11/30   00:00:18  7084kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Qf3 e5 5.dxe5 Nxe5
>>>>  =  (-0.06)   Depth: 12/30   00:00:28  11466kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Rc6 4.Qf3 Qf5 5.a5 Qb5
>>>>  =  (-0.09)   Depth: 13/31   00:01:09  28928kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5 4.a5 Rc6 5.Be5 Ra6
>>>>  =  (-0.03)   Depth: 14/33   00:02:47  70379kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5 4.Be5 Qc6 5.Qg4 Nxe5
>>>>  =  (-0.09)   Depth: 15/37   00:06:35  169217kN
>>>>1.Nxd7 Nxd7 2.Nxe7+ Rxe7 3.Qe2 Qd5 4.Be5 Qc6 5.Qg4 Nxe5
>>>>  =  (-0.09)   Depth: 16/37   00:19:00  485260kN
>>>>1.Nxg7!
>>>>  =  (-0.06)   Depth: 16/40   00:38:48  999867kN
>>>>1.Nxg7! Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe4 Bf8
>>>>  ±  (0.75)   Depth: 16/42   00:42:57  1106271kN
>>>>
>>>>(PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 19.11.2001)
>>>
>>>
>>>
>>>How good (or bad) is Nxh6 in this position?
>>>My program immediately goes for this move and is still
>>>with it after 30 minutes.
>>>The strange thing is that it never considers Nxg7 while
>>>the different Fritz-versions never consider Nxh6 ...
>>>
>>>SpiderChess (amd 1200, 208 Mb hash)
>>>
>>>05  00:00:00  - 0.44  F5xE7 E8xE7 C2-E2 D7xE5 F4xE5 F6-D5 E5-D6
>>>    00:00:00  + 0.23  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-F8 A1-D1 F8-G7
>>>                      E1xE6
>>>06  00:00:01  + 0.11  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-F8 E1xE6 H5-H4
>>>                      C2-F5 C8-C6
>>>07  00:00:03  + 0.23  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-F8 E1xE6 H5-H4
>>>                      C2-F5 F8-G7 F4-G5
>>>08  00:00:16  + 0.53  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-H8 E1xE6 D7-F8
>>>                      E6-E5 H5-G6 H6-F5 C8-C6
>>>09  00:00:40  + 0.41  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-H8 E1xE6 D7-F8
>>>                      E6-E5 H5-G6 H6-F5 F6-G4 E5-E1
>>>10  00:02:16  + 0.13  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-H8 E1-E3 F6-D5
>>>                      E3-H3 H5xH3 H6-F7 H8-G7 G2xH3 D5xF4
>>>11  00:07:17  + 0.18  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-H8 E1-E3 F6-D5
>>>                      E3-H3 H5xH3 C2-G6 E8-F8 G2xH3 D5xF4 H6-F7 F8xF7
>>>                      G6xF7
>>>12  00:25:16  + 0.41  F5xH6 G7xH6 E5xF7 A5xH5 F7xH6 G8-G7 E1-E3 E8-H8
>>>                      E3-H3 H5-E8 A1-E1 C8-C6 H3-G3 G7-F8 G3-G6 C6-B6
>>>                      H6-G4
>>>
>>>Martin
>>
>>Nxg7 wins bigtime for sure. Your score says 0.41 that ain't much. For
>>Nxg7 i get scores that are expressed in full pawns rather than a few
>>tenth of a pawn. Also search depth is very little. Just 12 ply, fritz needs
>>16 ply before it finds Nxg7. Diep needs like 11 for Nxg7 with a huge score,
>>but well that's with loads of extensions turned on.
>>
>>Don't know depth without it but that'll be about 16 too then i guess :)
>
>
>
>*Huge* score of Diep for Nx97 = 0.877
>Score of SpiderChess for Nxh6 = 0.410
>
>Difference (substract!)       = 0.467   Huge :):)
>
>Martin

Maybe the 1.05 of yace for Nxg7 after learning is going to be slightly more
convincing for you

New position
[D]2r1r1k1/pp1nbpN1/4pn1p/q3N2P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 b - - 0 1

Analysis by Yace 0.99.56:

1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 1   00:00:00
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 2   00:00:00
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 3   00:00:00
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 4   00:00:00
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 5   00:00:00  4kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 6   00:00:00  16kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 7   00:00:00  61kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 8   00:00:00  207kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 9   00:00:01  701kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 10   00:00:05  2425kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 11   00:00:21  8971kN
1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4
8.Bxg7 Bxg7 9.Qg4 Kf8 10.Qxg7+
  ±  (1.05)   Depth: 12   00:00:59  23652kN

(Blass, Tel-aviv 20.11.2001)

The first position that I gave yace was the position after 1...Kxg7 2.Bxh6+ Kg8
3.Re3 and yace gave the following analysis:

New position
[D]2r1r1k1/pp1nbp2/4pn1B/q3N2P/P1pP4/2P1R3/1PQ2PP1/R5K1 b - - 0 1

Analysis by Yace 0.99.56:

3...Nxe5 4.Rxe5
  µ  (-1.11)   Depth: 1   00:00:03
3...Qd5
  µ  (-1.20)   Depth: 1   00:00:03
3...Qd5 4.Rg3+ Kh8 5.Nxf7#
  =  (0.22)   Depth: 2   00:00:03
3...Qd5 4.Rg3+ Ng4 5.Nxg4 Qxh5
  ±  (1.25)   Depth: 2   00:00:03
3...Qd5 4.Rg3+ Ng4 5.Rxg4+ Bg5 6.Rxg5+ Kh8
  +-  (6.27)   Depth: 2   00:00:03
3...Qd5 4.Rg3+ Ng4
  +-  (7.36)   Depth: 2   00:00:03
3...Nxe5 4.Rg3+ Nfg4 5.dxe5
  ³  (-0.34)   Depth: 2   00:00:03
3...Nxe5 4.Rxe5
  µ  (-1.11)   Depth: 2   00:00:03
3...Nxe5 4.Rxe5 Qc7 5.Rae1
  µ  (-0.96)   Depth: 3   00:00:04
3...Nxe5 4.Rxe5 Nd5 5.Qe4 b5
  µ  (-1.04)   Depth: 4   00:00:04
3...Nxe5 4.Rxe5 Nd5 5.Rae1 Red8 6.b4
  µ  (-0.93)   Depth: 5   00:00:04  15kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Nxc3 6.Rxe7 Qc7
  ³  (-0.53)   Depth: 6   00:00:04  37kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf8 6.Rxe8 Rxe8 7.Bxf8
  ³  (-0.29)   Depth: 6   00:00:04  37kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf8 6.Rxe8 Rxe8 7.b4
  =  (-0.25)   Depth: 7   00:00:04  142kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf6 6.Re4 Rxe4 7.Qxe4 a6
  =  (-0.11)   Depth: 8   00:00:04  406kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf8 6.Rxe8 Rxe8 7.Bxf8 Kxf8 8.h6 Ke7
  =  (-0.22)   Depth: 9   00:00:06  989kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf6 6.Re4 Rxe4 7.Qxe4 Rd8 8.Qg4+ Kh7 9.Bf4 Rg8
  =  (-0.08)   Depth: 10   00:00:13  3982kN
3...Nxe5 4.Rxe5 Nd5 5.Rxe6 Bf6 6.Re4 Nb6 7.Rg4+ Kh8 8.Rf4 Re6 9.Qf5 Nd5
  =  (-0.11)   Depth: 11   00:00:35  12633kN
3...Nxe5 4.dxe5 Nxh5 5.Qe4 Ng7 6.Bxg7 Kxg7 7.Rg3+ Kf8 8.Qh7 Bc5 9.Rg7 Bxf2+
10.Kxf2 Ke7 11.Rxf7+ Kd8
  ²  (0.29)   Depth: 12   00:01:53  41158kN
3...Nxe5 4.dxe5 Nxh5 5.Qe4 Bf8 6.Bxf8 Kxf8 7.Qh4 Qb6 8.Re2 Ng7 9.a5 Qc5 10.Qh8+
  ±  (0.87)   Depth: 12   00:02:37  57360kN
3...Nxe5 4.dxe5 Nxh5 5.Qe4 Bf8 6.Bxf8 Kxf8 7.Qh4 Qd5 8.Qxh5 Red8 9.Rg3 Qd2
10.Rf3 Rc7
  ±  (0.84)   Depth: 13   00:05:53  133230kN
3...Nxe5 4.dxe5 Nxh5 5.Qe2 Ng7 6.Rg3 Bf8 7.Re1 Qxa4 8.Bxg7 Bxg7 9.Qg4 Kf8
10.Qxg7+ Ke7 11.Qf6+ Kf8 12.Rg7 Rc7
  ±  (1.05)   Depth: 14   00:16:22  361154kN

(Blass, Tel-aviv 20.11.2001)



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