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

Author: Mike Byrne

Date: 19:30:51 09/05/02

Go up one level in this thread


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




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