Author: Christophe Theron
Date: 12:55:00 09/01/01
Go up one level in this thread
On September 01, 2001 at 12:39:39, Steve Maughan wrote:
>I’ve been playing around with Pocket Fritz for the last couple of days. The
>features are certainly great but IMO the playing strength is not definitely any
>better than Genius for the Pocket PC.
>
>Here is a selection of test position that I dug out from the early 90s. I
>realise that test positions are not the best way of determining the superior
>player but since I don’t have two iPAQs I can’t play them against each other.
>Of the seven positions Genius solves five quicker. I also tested Gambit Tiger 2
>on the positions using my 1.5 GHz P4 – each position was solved in 1 second or
>less!
I have tried these positions with Chess Tiger for Palm (Gambit style) on a
device that gets a TigerMark of 1.35 (some devices can reach a TigerMark of 2)
and here are the results:
>[d]8/1p1k1p2/p2PbPp1/P1P1K1Pn/1P5R/8/8/8 w - -
>b5 or Rxh5: Pocket Fritz 35 sec, Genius 2 min 44 sec
Chess Tiger for Palm: 352s (5mn 52s).
More hash tables would help!
>[d]8/5p2/pk2p3/4P2p/2b1pP1P/P3P2B/8/7K w - -
>Bg4: Pocket Fritz 38 sec, Genius 4 sec
Chess Tiger for Palm: 264s (4mn 24s).
More hash tables would help!
>[d]8/6k1/P5r1/8/8/Kp5R/8/8 w - -
>Rg3: Pocket Fritz 6 sec, Genius 8 sec
Chess Tiger for Palm: 26s.
>[d]r1b1k2r/2q2p2/p1Np1P1b/3Pn2p/1p6/4Q3/PPP4P/1K1R1BR1 w kq –
>Qxh6: Pocket Fritz 5 min 38 sec, Genius 16 sec
Chess Tiger for Palm: 24s.
>[d]r3qr1k/pp3pbp/2pn4/7Q/3pP3/2NB3P/PPP3P1/R4RK1 w - -
>Rf6 (famous Fischer combination): Pocket Fritz 4 min 0 sec, Genius 6 min 42 sec
Chess Tiger for Palm: 197s (3mn 17s).
>[d]r3rbk1/p1qbpp2/1p1p2p1/3P3p/3BB2P/2P2QP1/PP3P2/R3R1K1 w - -
>Bxg6: Pocket Fritz 4 min 53 sec, Genius 1 min 4 sec
Chess Tiger for Palm: 317s (5mn 17s).
>[d]5r1k/1nqr1pp1/p2Np2p/1p2P3/7Q/P1P4R/1P4PP/5RK1 w - -
>Rf6: Pocket Fritz 1 min 32 sec, Genius 1 min 27 sec
Chess Tiger for Palm: 360s (6mn).
Now some statistics:
I have computed for each position the ratio between Tiger's solution time and
the average solution time of Fritz and Genius.
Pos Ratio
01 3.54
02 12.57
03 3.71
04 0.14
05 0.61
06 1.78
07 4.02
The average ratio is 3.77.
That means that on these positions Chess Tiger for Palm is only 3.77 times
slower than the average of Fritz and Genius running on a processor 10 times
faster!
That gives me hopes for my PocketPC version of Chess Tiger! :)
Christophe
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