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Subject: Re: "A fantastic mate in seven"

Author: Pete Galati

Date: 15:41:44 03/10/00

Go up one level in this thread


On March 10, 2000 at 17:59:11, Djordje Vidanovic wrote:

>On March 10, 2000 at 16:34:35, José Antônio Fabiano Mendes wrote:
>
>>Source:
>>http://www.correspondencechess.com/games/kopecg0.htm
>>Kopec-Sowrey,analysis,"North Athantic Team Tournament",1990
>>[]2r1k2r/Q1P1n1pp/1pq5/5b2/2B2n2/8/PP3PPP/K2RR3 w - -
>>35.Rd8+ Rxd8 36.Rxe7+!! Kxe7 37.c8N+!! Kf6 38.Qe7+ Kg6
>>39.Bf7+ Kh6 40.Qh4+ Nh5 41.Qxh5#
>>Recently people have been discussing here the underpromotion
>>theme,I think this position is a worthy addition to the files.
>>        Enjoy,JAFM
>
>This position is trivial -- all modern chess programs solve it in a split
>second.  Underpromotion is not a problem any more :-)
>
>***  Djordje

Yeah, probably not too strenuous at all, I wouldn't have been able to play it,
but Crafty, even on my slow computer saw it instantly.

White(1): hash=12m
hash table memory = 12M bytes.
White(1): info
Crafty version 17.9
hash table memory =        12M bytes.
pawn hash table memory =    1M bytes.
EGTB cache memory =         1M bytes.
60 moves/30 minutes 0 seconds primary time control
30 moves/15 minutes 0 seconds secondary time control
frequency (freq)..............1.00
static evaluation (eval)......0.10
learning (learn)..............0.30
CAP (CAP score)...............1.00
White(1): read 7.pgn

       +---+---+---+---+---+---+---+---+
    8  |   |   | *R|   | *K|   |   | *R|
       +---+---+---+---+---+---+---+---+
    7  | Q |   | P |   | *N|   | *P| *P|
       +---+---+---+---+---+---+---+---+
    6  |   | *P| *Q|   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    5  |   |   |   |   |   | *B|   |   |
       +---+---+---+---+---+---+---+---+
    4  |   |   | B |   |   | *N|   |   |
       +---+---+---+---+---+---+---+---+
    3  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    2  | P | P |   |   |   | P | P | P |
       +---+---+---+---+---+---+---+---+
    1  | K |   |   | R | R |   |   |   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

White(1): d
White(1): analyze
              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:00)
         nss  depth   time  score   variation (1)
                5     3.82  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                5->   4.80  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                6    10.02  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                6->  12.80  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                7    28.15  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                7->  37.33  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                8     1:40  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                8->   2:08  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                9     4:19  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
                9->   5:59  Mat07   1. Rd8+ Rxd8 2. Rxe7+ Kxe7 3. c8=N+
                                    Kf6 4. Qe7+ Kg6 5. Bf7+ Kh6 6. Qh4+
                                    Nh5 7. Qxh5#
White(1): exit
White(1): q
execution complete.



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