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qpawn
12-12-2006, 07:18 PM
I still use Fritz 8. Although I have had it for a year I noticed some "test sets" today. I found that you could run this "tactics test" for your program. It is a series of tactical positions where the progeram must find the best continuation in a time limit. For instance one position was dfrom the game Botvinnik vs Capablanca Avro [1938?] where Botvinnik is about to uncork that famous combo with Ba3! .

The results: 195/210 success rate [92%] at average solvre time of 10.92 secs/53 secs . Time limit set at 600 secs. A brand new computer used with a very powerful chip.

What do the results mean? How do they compare to other programs/engines/computers etc? Is there anywhere on the net where I can get a comparative schema? Or is it another example of Fritz assuming that I have 9 degrees in computer science? :confused:

Bill Gletsos
13-12-2006, 01:42 PM
The results: 195/210 success rate [92%] at average solvre time of 10.92 secs/53 secs . Time limit set at 600 secs. A brand new computer used with a very powerful chip.I think you may have a typo there and you meant 10.92 secs/9.53 secs.
When you say a powerful chip what chip at what speed exactly.
Also how much memory was allocated to the Fritz8 engines hashtable.
Lastly do you have tablebases installed and if so are they the full 3,4,5 pieces tablebases and do you have any 6 piece tablebases installed.
All of those issues will impact on your results.

What do the results mean? How do they compare to other programs/engines/computers etc?This is where it gets tricky.
Firstly you will notice you failed on 15 of the tests.
You need to remember that the test suite you ran (Marathon) is made up of 209 positions from the Encyclopedia of Chess Middlegames and 1 Shirov position. Therefore you need to determine did Fritz 8 really fail or did it actually find a better continuation.

qpawn
13-12-2006, 03:14 PM
I am a computer ifnoramus. I went to control panels and system so the chip is:

intel[R][TM] 2 CPU
6400 @ 2.13 ghz
2.14 GHZ, 1 gb RAM

As for the hash tables and stuff, that is double dutch to me.

What is a hashy table? What does it do?

I only have whatever tablebases Fritz 8 came with. I have not installed any others. From what I was watching [ the"correct" answer is given as each test is attempted] I tried to go through the correct answer myself in my head. I was watching one of the instances where the computer "failed" and the correct answer was indeed better than the Fritz 8's alternative.

Desmond
13-12-2006, 08:47 PM
I am a computer ifnoramus. I went to control panels and system so the chip is:

intel[R][TM] 2 CPU
6400 @ 2.13 ghz
2.14 GHZ, 1 gb RAM
Core 2 Duo. Very nice. I'd chuck another gig of RAM in there personally.

eclectic
13-12-2006, 09:25 PM
qpawn,

I'll go out on a lamb here and say I doubt wether having lots of ram would ever help ewe play any better than the average sheep.

baa!

:rolleyes:

qpawn
13-12-2006, 10:51 PM
It is a nice computer. Real fast. Got it all made by a technician rather than buying it at a shop.

The dual core is a nice asset; as the tech said to me, it enables more than one thing at once to cruch into the memory etc.

Bill Gletsos
13-12-2006, 11:57 PM
From what I was watching [ the"correct" answer is given as each test is attempted]The supposed correct answer. ;)
I suspect some may be wrong.

I tried to go through the correct answer myself in my head. I was watching one of the instances where the computer "failed" and the correct answer was indeed better than the Fritz 8's alternative.Can you please list the numbers of the 15 tests that your Fritz8 failed to solve.

qpawn
14-12-2006, 06:34 AM
Ok. I have Fritz doing a full analysis of a game. When it's done that in aboiut 20 mins time, I will put all 15 failed attempts here.

qpawn
14-12-2006, 08:16 AM
Here are the 15 positions on tactics marathon that Fritz 8 failed to solve at 600 secs according to the program solns:

13
15
57
81
100
148
162
163
170
173
181
182
191
201
207

qpawn
14-12-2006, 08:18 AM
Here is posn 207 in FEN to make sure that our numbers correspond:

r2q4/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2Pr/RNB2RK1 w KQq - 0 2

Bill Gletsos
14-12-2006, 01:14 PM
The Black rook isnt on h2 but on h8. There is a white pawn on h2.

Rxh2 is the supposed solution.

The correct fen for 207 is r2q3r/2pkb1p1/p2p1n2/4p1p1/Pp2P1P1/1QP5/1P1P2PP/RNB2RK1 w KQq - 0 2

qpawn
15-12-2006, 09:14 AM
Clearly my Fritz 8 takes its diagrams from the soln rather than original posn.