Tough Tactical Test, the 35 hardest positions

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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: Tough Tactical Test, the 35 hardest positions

Post by MikeB »

Dann Corbit wrote: Mon Sep 07, 2020 6:18 pm

Code: Select all

Analysis of C:\Users\dannc\Downloads\tttsub.epd   
Analyzing engine: ShashChess13.2-x86-64-avx2
9/6/2020 9:23:18 PM Level: 4000 Seconds
   Source                    : List of EPD/PGN files
      C:\Users\dannc\Downloads\tttsub.epd
   Colours                   : White moves=True, Black moves=True
   Direction                 : forward
   Games (PGN)               : From 1 to 999999
   Moves                     : All moves
   Positions (EPD)           : All positions
   Use Engine(s)             : List
      Bluefish-FD-XI
      ShashChess13.2-x86-64-avx2
      Ethereal-x64-avx2
      Houdidit:Nalimov
      Cfish-avx2-gcc
      Sting-sf-24
   Use seconds per move      : 600 Seconds per move
   Analysis Lines            : Minimum search depth=2
   Activate abort analysis   : False
  1) Bd3xh7             Bd3xh7  * 6 Seconds
  2) .. Nf6-h5          Nf6-h5  * 0 Seconds
  3) .. a4-a3           a4-a3   * 253 Seconds
  4) .. Bf8-e7          Bf8-e7  * 58 Seconds
  5) Bb2-c1             Bb2-c1  * 1 Second
  6) Qa7xd7             Qa7xd7  * 4 Seconds
  7) .. Bc8xh3          Bc8xh3  * 190 Seconds
  8) Ne5-g6             Qd4-b2   
  9) Rd1-b1             Rd1-b1  * 0 Seconds
 10) .. Qf6-g5          Qf6-g5  * 0 Seconds
 11) Rb1-e1             Rb1-e1  * 0 Seconds
 12) Nb3-c5             Nb3-c5  * 0 Seconds
 13) Nd4-f5             Nd4-f5  * 0 Seconds
 14) Rf5xf7             Rf5xf7  * 93 Seconds
 15) Bg2-h3             g3-g4    
 16) Nf3xd4             Nf3xd4  * 1 Second
 17) Bc2xh7             Bc2xh7  * 0 Seconds
 18) .. f4-f3           f4-f3   * 0 Seconds
 19) Re1-e4             Re1-e4  * 0 Seconds
 20) .. Ba8xe4          Ba8xe4  * 0 Seconds
 21) .. Ng5xf3, Bg4xf3  Ng5xf3  * 2 Seconds
 22) Bf4xh6             Bf4xh6  * 0 Seconds
 23) .. Bg6-e4          Bg6-e4  * 0 Seconds
 24) Rg1-g4             Rg1-g4  * 33 Seconds
 25) Qf3xf8             Qf3xf8  * 150 Seconds
 26) Qe4-e5, Qe4-c6, Qe4-b7, Kg2-g1  Qe4-e5  * 10 Seconds
 27) Bc3xe5             Bc3xe5  * 0 Seconds
 28) Rb6xc6             Rb6xc6  * 0 Seconds
 29) .. e4-e3           e4-e3   * 177 Seconds
 30) Rf1-f3             Rf1-f3  * 11 Seconds
 31) Kc4xd4             Kc4xd4  * 4 Seconds
 32) .. Rd7xd6          Rd7xd6  * 2 Seconds
 33) f5-f6              f5-f6   * 3 Seconds
 34) Bg7-e5             Bg7-e5  * 51 Seconds
 35) Rb2-g2             Rb2-g2  * 7 Seconds
33 of 35 matching moves
9/7/2020 9:04:35 AM, Total time: 11:41:17 AM Rated time: 37:36 = 2256 Seconds
Shashchess missed 8 and 16
..
The good news is that humans don't need a computer at all to solve #8 rather quickly. I bet Sting will find Ng6+ fast as well...
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Vinvin
Posts: 5296
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Tough Tactical Test, the 35 hardest positions

Post by Vinvin »

... 2 years later with the regular Stockfish :

CPU AMD 5950x, 16 threads used.
5 minutes per positions. 10 runs per position (= 10 columns)
Analyzing engine: Stockfish_22100520_x64_avx2
Use per move : 300 per move
Table with the results : the numbers are the seconds to find the solution. If the solution is not found, a space replace the value.

Code: Select all

 1) Bd3xh7              9 	8       6     11    18 	 5 	8     23    12 	  7 
 2) .. Nf6-h5           2 	2       4     2     1 	 5 	3     1     2 	  3 
 3) .. a4-a3            18 	19      24    16    13 	 16 	53    38    54 	  31 
 4) .. Bf8-e7          	        216 	    155 	82 
 5) Bb2-c1              1 	2       1     1     12 	 1 	0     1     1 	  1 
 6) Qa7xd7              3 	3       4     3     3 	 4 	2     2     3 	  4 
 7) .. Bc8xh3           1 	4       0     2     2 	 1 	1     3     3 	  3 
 8) Ne5-g6             
 9) Rd1-b1              0 	0       0     0     0 	 0 	0     0     0 	  0 
10) .. Qf6-g5           8 	6       29    9     17 	 3 	9     9     7 	  26 
11) Rb1-e1              0 	0       0     0     0 	 0 	0     0     0 	  0 
12) Nb3-c5              3 	7       1     1     4 	 0 	0     0     2 	  1 
13) Nd4-f5              1 	3       1     0     2 	 0 	2     3     1 	  2 
14) Rf5xf7              10 	19      22    18    18 	 0 	9     10    4 	  1 
15) Bg2-h3              1 	2       1     1     1 	 1 	1     1     1 	  1 
16) Nf3xd4              6 	2       3     3     2 	 1 	3     1     3 	  1 
17) Bc2xh7              21 	19      32    17    18 	 17 	27    19    13 	  10 
18) .. f4-f3            229 	100     68    91    66 	 121 	112   239   244   113 
19) Re1-e4              194 	156     119   208   112  220 	134   141 
20) .. Ba8xe4           113 	9       25    44    48 	 23 	13    158   77 	  14 
21) .. Ng5xf3, Bg4xf3   1 	0       3     0     2 	 0 	1     0     0 	  1 
22) Bf4xh6              0 	0       0     0     0 	 0 	0     0     0 	  0 
23) .. Bg6-e4           0 	0       0     0     0 	 0 	0     0     0 	  0 
24) Rg1-g4              42 	36      126   70    86 	 61 	25    48    33 	  35 
25) Qf3xf8              0 	0       0     0     0 	 0 	0     0     0 	  0 
26) Qe5,Qc6,Qb7,Kg1  	 3 	3       2     0     0 	 4 	1     3     3 	  3 
27) Bc3xe5              4 	3       6     5     4 	 5 	6     5     7 	  6 
28) Rb6xc6              0 	0       0     0     0 	 1 	0     0     0 	  0 
29) .. e4-e3            3 	5       3     3     4 	 4 	3     5     4 	  4 
30) Rf1-f3              2 	3       1     6     3 	 5 	3     3     0 	  2 
31) Kc4xd4              1 	0       2     1     1 	 0 	1     1     1 	  1 
32) .. Rd7xd6           1 	1       2     1     1 	 1 	3     2     5 	  5 
33) f5-f6               2 	3       3     3     2 	 4 	15    9     4 	  4 
34) Bg7-e5              50 	98      99    82    78 	 125 	35    142   108   174 
35) Rb2-g2              0 	0       0     0     0 	 0 	0     0     0 	  0 
Very hard still numbers 4 and 8.
Not easy : 18, 19, 20, 24 and 34.

List with these 7 positions :

Code: Select all

1qrr1b2/6p1/ppkn1P2/3pP3/1PP5/2BP1pP1/BQ3P2/1RRN1n1K b - - bm Be7; id "TTT1.011";
3rr1bk/6np/2p1n3/1pPpNpPp/pP1QpP1P/P2PP3/2K5/B7 w - - bm Ng6+; id "TTT1.023";
k4r1r/Pp6/bP1bq1p1/3N2p1/R1pPppB1/4P1PP/5PK1/3QBR2 b - - bm f3+; id "TTT1.049";
1b2r1r1/5p1k/3pb1pB/2pnP1Q1/q2P1N2/p1P5/1p3PP1/1R2R1K1 w - - bm Re4; id "TTT1.050";
b4rk1/6np/3p1pp1/1r2p1PP/1p2P3/1PqN1P2/2P3RQ/1KBR4 b - - bm Bxe4; id "TTT1.053";
r2q1rk1/2n1bpp1/b2p4/3Pp1PQ/1p6/p3B2P/PPPN1P2/2KR2R1 w - - bm Rg4; id "TTT1.060";
1k6/6Bq/b6p/2p2p2/1pPp3r/pP1Pb3/P1K3Q1/6Rr w - - bm Be5+; id "TTT1.088";
bnst
Posts: 88
Joined: Tue Sep 11, 2007 12:16 pm

Re: Tough Tactical Test, the 35 hardest positions

Post by bnst »

The link to the full set in the Rybka forum is dead so please post the whole set.
Best regards
anst
Paloma
Posts: 1207
Joined: Thu Dec 25, 2008 9:07 pm
Full name: Herbert L

Re: Tough Tactical Test, the 35 hardest positions

Post by Paloma »

Scroll down and load TTT 1
sarona
Posts: 127
Joined: Tue Oct 29, 2019 4:14 pm
Location: Canada
Full name: Ron Doughie

Re: Tough Tactical Test, the 35 hardest positions

Post by sarona »

bnst wrote: Tue Oct 11, 2022 4:46 pm The link to the full set in the Rybka forum is dead so please post the whole set.
Best regards
anst
The Mediafire link to the set is still up: http://www.mediafire.com/file/gwkqps6ih ... 0.zip/file

The thread can be accessed here: https://web.archive.org/web/20200809112 ... ?tid=33508
bnst
Posts: 88
Joined: Tue Sep 11, 2007 12:16 pm

Re: Tough Tactical Test, the 35 hardest positions

Post by bnst »

sarona wrote: Wed Oct 12, 2022 2:31 am
The Mediafire link to the set is still up: http://www.mediafire.com/file/gwkqps6ih ... 0.zip/file

The thread can be accessed here: https://web.archive.org/web/20200809112 ... ?tid=33508
Thanks a lot !
It seems there are quite a lot of nice positions in the set.
Best regards
anst