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Subject: Re:Hiarcs8 analysis: A beautiful deep ending ( Bd6!! win for White! )

Author: Terry Ripple

Date: 16:18:39 09/06/02

Go up one level in this thread


On September 05, 2002 at 22:50:03, Mike Byrne wrote:

>On September 05, 2002 at 22:30:51, Mike Byrne wrote:
>
>>On September 05, 2002 at 22:23:18, Tanya Deborah wrote:
>>
>>>
>>>
>>>
>>>[D] 8/1Pp5/7p/1K5k/2p2b1p/Bb5B/5P2/8 w - - 0 1
>>>wKb5,Ba3,h3,Pb7,f2/bKh5,Bb3,f4,Pc4,c7,h4,h6
>>>
>>>
>>>
>>>Hi CCC!
>>>
>>>This is a very beautiful ending of Bondarenko vrs Kakovin game played in 1957.
>>>
>>>
>>>White plays and won a great ending!! Bondarenko played the untonished move Bd6!!
>>>and won !!!
>>>
>>>
>>>Any program can find this diabolic move? :-) Analysis and posts are welcome.
>>>
>>>
>>>
>>>This is the winner main Line:
>>>
>>>
>>>1.Ad6!! Axd6 2.Rc6 Aa4+ 3.Rd5 Ah2 4.f4!(another pretty move) Axf4 5.Re4 1-0 And
>>>Black is lost!!
>>>
>>>
>>>But the game continued... 6.Ac6+ 6.Rf5! Axb7 7.Ag4# MATE 1-0  (Very pretty!)
>>>
>>>
>>>
>>>Best Regards!
>>>
>>>Tanya Deborah.
>>
>>Crafty 17.16 SE
>>
>>Bd6! in 1:42
>>
>>Black(1): 8/1Pp5/7p/1K5k/2p2b1p/Bb5B/5P2/8 w - - 0 1
>>White(1): go
>>end-game phase
>>              clearing hash tables
>>              time surplus  29.92  time limit 100:00 (100:00)
>>         nss  depth   time  score   variation (1)
>>                2     0.00   0.58   1. b8=N c3 2. Nc6
>> 2     0.00   0.61                   2     0.00  13/24*  1. 1. Bc5 c6+ 2. Kxc6
>>                2     0.00     ++   1. Bg4+!!
>>                2->   0.01   0.97   1. Bg4+
>>                3     0.01     --   1. Bg4+
>>                3     0.01  -4.79   1. Bg4+ Kxg4 2. Kc6 Ba4+ 3. Kc5 c6
>>                                    4. Kxc4
>>                3     0.01     ++   1. b8=N!!
>>                3     0.01   0.38   1. b8=N Kg6 2. Nc6 c3
>>                3     0.01     ++   1. Kc6!!
>>                3     0.01   0.79   1. Kc6 Ba4+ 2. Kc5 c6 3. Kxc4
>>                3->   0.03   0.79   1. Kc6 Ba4+ 2. Kc5 c6 3. Kxc4
>>                4     0.03   0.79   1. Kc6 Ba4+ 2. Kc5 c6 3. Kxc4
>>                4->   0.03   0.79   1. Kc6 Ba4+ 2. Kc5 c6 3. Kxc4
>>                5     0.04   0.62   1. Kc6 Ba4+ 2. Kd5 c6+ 3. Kxc4 Bb8
>>                                    4. Bc5 Kg6
>>                5->   0.04   0.62   1. Kc6 Ba4+ 2. Kd5 c6+ 3. Kxc4 Bb8
>>                                    4. Bc5 Kg6
>>                6     0.06   0.62   1. Kc6 Ba4+ 2. Kd5 c6+ 3. Kxc4 Bb8
>>                                    4. Bc5 Kg6
>>         (4)    6->   0.09   0.62   1. Kc6 Ba4+ 2. Kd5 c6+ 3. Kxc4 Bb8
>>                                    4. Bc5 Kg6
>>         (3)    7     0.11   0.79   1. Kc6 Ba4+ 2. Kd5 c6+ 3. Kxc4 Bb5+
>>                                    4. Kc5 Bb8 5. Bg2 Ba7+ 6. Kd6
>>                7     0.18     ++   1. Bf8!!
>>         (2)    7->   0.22   1.18   1. Bf8N
>>                8     0.43   1.25   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kxc6 c3 5. b8=Q Bxb8 6. Bxb8
>>                8->   0.48   1.25   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kxc6 c3 5. b8=Q Bxb8 6. Bxb8
>>                9     0.62   0.98   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kxc6 c3 5. b8=Q Bxb8 6. Bxb8 c2 7.
>>                                    Bf4
>>                9->   0.76   0.98   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kxc6 c3 5. b8=Q Bxb8 6. Bxb8 c2 7.
>>                                    Bf4
>>               10     1.07   1.03   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kb4 Kg5 5. b8=Q Bxb8 6. Bxb8 Kf6 7.
>>                                    Kc3 c5
>>         (2)   10->   1.70   1.03   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kb4 Kg5 5. b8=Q Bxb8 6. Bxb8 Kf6 7.
>>                                    Kc3 c5
>>               11     2.31   1.03   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kb4 Kg5 5. b8=Q Bxb8 6. Bxb8 Kf6 7.
>>                                    Kc3 c5
>>         (2)   11->   3.43   1.03   1. Bf8 c6+ 2. Kc5 Bb8 3. Bd6 Ba7+ 4.
>>                                    Kb4 Kg5 5. b8=Q Bxb8 6. Bxb8 Kf6 7.
>>                                    Kc3 c5
>>               12    21.82   1.35   1. Bf8 c3 2. b8=Q c6+ 3. Kb4 Bxb8 4.
>>                                    Kxb3 Be5 5. Be7 Bd4 6. Kc2 c5 7. f4
>>                                    c4 8. f5
>>               12    38.45     ++   1. Be7!!
>>         (3)   12->  39.29   1.74   1. Be7
>>         (2)   13     1:18   1.76   1. Be7 c3 2. b8=Q c6+ 3. Kb4 Bxb8 4.
>>                                    Kxb3 Be5 5. f4 Bd4 6. Kc2 Kg6 7. Bxh4
>>                                    Bf6 8. Bg3 Bd4
>>               13     1:42     ++   1. Bd6!!
>>         (3)   13->   1:50   2.15   1. Bd6
>>         (2)   14     2:34   2.50   1. Bd6 Bxd6 2. Kc6 Ba4+ 3. Kd5 Bh2
>>                                    4. f4 Bxf4 5. Ke4 Bd6 6. b8=Q Bc6+
>>                                    7. Ke3 Bd5 8. Qe8+ Kg5 9. Qd8+ Kh5
>>                                    10. Qh8
>>         (2)   14->   3:19   2.50   1. Bd6 Bxd6 2. Kc6 Ba4+ 3. Kd5 Bh2
>>                                    4. f4 Bxf4 5. Ke4 Bd6 6. b8=Q Bc6+
>>                                    7. Ke3 Bd5 8. Qe8+ Kg5 9. Qd8+ Kh5
>>                                    10. Qh8
>>               15     3:57   2.74   1. Bd6 Bxd6 2. Kc6 Ba4+ 3. Kd5 c3 4.
>>                                    b8=Q c2 5. Qb2 Kg6 6. Qc1 Bb3+ 7. Ke4
>>                                    h5 8. Qb2 Kh6 9. Qh8+ Kg6 10. Bf5+
>>                                    Kf7 11. Qxh5+ Kg7 12. Qh7+ Kf8
>
>Deep Fritz
>Bd6!
>25 seconds
>
>
>New position
>8/1Pp5/7p/1K5k/2p2b1p/Bb5B/5P2/8 w - - 0 1
>
>Analysis by Deep Fritz:
>
>1.Bg4+--
>  +-  (1.75)   Depth: 4/8   00:00:00
>1.Bg4+-- Kxg4 2.f3+
>  ±  (0.75)   Depth: 4/11   00:00:00  1kN
>1.Bg4+--
>  ²  (0.31)   Depth: 5/10   00:00:00  2kN
>1.Bg4+--
>  ²  (0.31)   Depth: 5/10   00:00:00  2kN
>1.Bg4+--
>  ²  (0.31)   Depth: 5/10   00:00:00  2kN
>1.Bg4+--
>  ²  (0.31)   Depth: 5/10   00:00:00  2kN
>1.Bg4+--
>  ²  (0.31)   Depth: 5/10   00:00:00  2kN
>1.Bg4+-- Kxg4 2.Kc6 Ba4+ 3.Kc5 c6 4.Kxc4
>  -+  (-2.97)   Depth: 5/12   00:00:00  5kN
>1.b8R c6+ 2.Kxc6 Bxb8 3.Kd5 c3+ 4.Ke4
>  -+  (-2.56)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6!
>  -+  (-2.53)   Depth: 5/14   00:00:00  6kN
>1.Kc6! Ba4+ 2.Kc5 c6 3.Kxc4 Bb5+ 4.Kd4 Kg6
>  ±  (0.75)   Depth: 5/14   00:00:00  8kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb5+ 4.Kd4 Kg6
>  ±  (0.75)   Depth: 6/16   00:00:00  11kN
>1.Kc6 Ba4+ 2.Kd5 c6+ 3.Kxc4 Bb5+ 4.Kc5 Bb8 5.Bb2 Kg5
>  ±  (0.84)   Depth: 7/16   00:00:00  24kN
>1.Kc6 Ba4+ 2.Kd5 c6+ 3.Kxc4 Bb5+ 4.Kc5 Bb8 5.Be6 Ba7+ 6.Kd6 Bb8+
>  ±  (0.81)   Depth: 8/18   00:00:00  53kN
>1.Kc6 Ba4+ 2.Kd5 c6+ 3.Kxc4 Bb5+ 4.Kc5 Bb8 5.Bb2 Ba7+ 6.Kb4 Bb8
>  ±  (0.81)   Depth: 9/20   00:00:00  128kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Bc5 Bb5+ 5.Kd4 Ba6 6.Bc8 h3
>  ±  (0.84)   Depth: 10/22   00:00:00  372kN
>1.Kc6 Ba4+ 2.Kd5 c6+ 3.Kxc4 Bb8 4.Kc5 Bb5
>  ±  (1.06)   Depth: 11/26   00:00:00  1026kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kc5 Ba7+ 5.Kd6 Bb8+ 6.Ke7 Ba7
>  ±  (1.06)   Depth: 12/24   00:00:02  2890kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kc5 Ba7+ 5.Kd6 Bb8+ 6.Ke7 Ba7
>  ±  (1.06)   Depth: 13/27   00:00:03  4766kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kc5 Ba7+ 5.Kd6 Bb8+ 6.Ke7 Ba7
>  ±  (1.13)   Depth: 14/30   00:00:07  10414kN
>1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kc5 Kg5 5.Kb6 Kf6 6.Bg2 h3
>  ±  (1.22)   Depth: 15/31   00:00:20  27848kN
>1.Bd6!
>  ±  (1.25)   Depth: 15/31   00:00:25  34062kN
>1.Bd6! Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Bd6 6.b8Q Bc6+
>  +-  (2.16)   Depth: 15/31   00:00:26  35727kN
>1.Bd6!
>  +-  (2.47)   Depth: 16/31   00:00:37  48915kN
>1.Bd6!
>  +-  (2.78)   Depth: 17/33   00:01:04  83473kN, tb=7
>1.Bd6! Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Bg3 6.b8Q Bc2+
>  +-  (3.06)   Depth: 17/34   00:01:15  97049kN, tb=13
>
>(Byrne, Secane, PA 05.09.2002)
>
>Deep Junior did not see Bd6 within 3 minutes.
------------------------------------------------

Using only a AMD K6-2 266Mhz, 64 Ram:

Regards,
      Terry

New position
8/1Pp5/7p/1K5k/2p2b1p/Bb5B/5P2/8 w - - 0 1

Analysis by Hiarcs 8:

1.Bd6 cxd6 2.b8Q
  +-  (1.66)   depth: 1   00:00:00
1.Bd6 Bxd6
  +-  (1.41)   depth: 2/8   00:00:00
1.Bd6 Bxd6
  +-  (1.41)   depth: 2/8   00:00:00
1.Bd6 Bxd6
  ±  (0.80)   depth: 3/8   00:00:00
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5
  -+  (-3.91)   depth: 3/9   00:00:00
1.Ka5 c6 2.Kb4
  µ  (-1.23)   depth: 3/9   00:00:00
1.Kc5 c6 2.Bb2 Kg5
  ³  (-0.27)   depth: 3/12   00:00:00
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4
  ²  (0.26)   depth: 3/12   00:00:00
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4
  ²  (0.26)   depth: 4/12   00:00:00
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8
  ²  (0.45)   depth: 5/14   00:00:00  4kN
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kd4
  ²  (0.38)   depth: 6/16   00:00:00  10kN
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Kd4 Bc2
  ²  (0.38)   depth: 7/18   00:00:00  20kN
1.Kc6 Ba4+ 2.Kc5 c6 3.Kxc4 Bb8 4.Bc5 Bb5+ 5.Kd4
  ²  (0.47)   depth: 8/20   00:00:02  76kN
1.Kc6 Ba4+
  =  (0.22)   depth: 9/24   00:00:11  364kN
1.Kc6 Ba4+ 2.Kd5 c5 3.Bb2 Bb8 4.Be5 Bc6+
  =  (0.21)   depth: 9/25   00:00:13  413kN
1.Be7 c6+ 2.Kc5 Bb8 3.Bd6 Ba7+ 4.Kb4 Kg6 5.Bf1 Bc2 6.Kxc4
  ²  (0.65)   depth: 9/26   00:00:41  1297kN
1.Be7 c6+ 2.Kc5 Bb8 3.Bd6 Ba7+ 4.Kb4 Kg5 5.Bf1 Bc2 6.Kc3 Bf5 7.b8Q Bxb8 8.Bxb8
  ±  (0.89)   depth: 10/26   00:00:54  1718kN
1.Be7 c6+ 2.Kc5 Bb8 3.Bd6 Ba7+ 4.Kb4 Kg5 5.Be6 Bd1 6.b8Q Bxb8 7.Bxb8 Be2
  ±  (0.80)   depth: 11/28   00:01:22  2652kN
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Kg5 6.b8Q Bc2+ 7.Kf3 c3
  ±  (0.90)   depth: 11/28   00:01:43  3306kN
1.Bd6 Bxd6
  ²  (0.65)   depth: 12/29   00:02:10  4266kN
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Kg5 6.b8Q Bc2+
  ²  (0.45)   depth: 12/33   00:02:42  5241kN
1.Be7 c6+
  ±  (1.15)   depth: 12/33   00:03:10  6120kN
1.Be7 c6+ 2.Kc5 Bb8 3.Bd6 Ba7+ 4.Kb4 c5+ 5.Kc3 Bd1 6.Be6 Kg5 7.Bxc5
  ±  (1.26)   depth: 12/33   00:03:54  7547kN
1.Be7 c6+ 2.Kc5 Bb8 3.Bd6 Ba7+ 4.Kb4 Kg6 5.Ka5 c3 6.Ka6 c2 7.Kxa7 c1Q 8.b8Q Qa1+
9.Kb7 Bd5
  ±  (1.20)   depth: 13/34   00:07:26  14575kN
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Bd6 6.b8Q Bc6+ 7.Ke3 Be5 8.Qd8
c3
  ±  (1.25)   depth: 13/34   00:08:37  16721kN
1.Bd6 Bxd6
  +-  (1.50)   depth: 14/36   00:17:06  32613kN
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Bg3 6.b8Q Bc6+ 7.Ke3 Bd6 8.Qd8
Bc5+ 9.Ke2 Bb6
  +-  (1.52)   depth: 14/36   00:18:06  34510kN
1.Bd6 Bxd6
  +-  (1.77)   depth: 15/40   01:08:13  127876kN
1.Bd6 Bxd6 2.Kc6 Ba4+ 3.Kd5 Bh2 4.f4 Bxf4 5.Ke4 Bd6 6.b8Q Bc2+ 7.Kd5 Bg6 8.Kxc4
Bf7+ 9.Kd3 Bg6+ 10.Ke3 Kg5
  +-  (2.48)   depth: 15/41   02:04:09  226411kN








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