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#1
16.11.2025, 18:59
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Dedicated Chess Computer Tourney
Hello fellow Schachcomputer enthusiasts!
Over the past few months I have been testing a few CCs in an all play all tourney. Initially it was going to be a small tournament for under 2000elo dedicated chess computers, but I decided to expand it a bit and try some stronger units as well. So far we have 28 computers playing each other twice at game in 30 mins. The games are all played using the excellent CB-Emulator by Franz Huber. The ratings are from Eric Hallsworth superb Selective Search magazine issue 160 (it is the only one I have a hard copy of). I have attached the PGN file to this post for you to peruse. I was surprised at the top candidate. Dedicated CC.pgn Clive 
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| Folgende 14 Benutzer sagen Danke zu Major Chaos für den nützlichen Beitrag: | ||
applechess (16.11.2025), Chessguru (17.11.2025), d.hammes (18.11.2025), Egbert (16.11.2025), kamoj (18.11.2025), lars (20.11.2025), Mapi (16.11.2025), MikeChess (16.11.2025), paulwise3 (20.11.2025), Robert (17.11.2025), Roberto (17.11.2025), Thomas J (17.11.2025), Tibono (17.11.2025), Wandersleben (17.11.2025) | ||
#2
16.11.2025, 19:49
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AW: Dedicated Chess Computer Tourney
 Zitat von Major Chaos
Hello fellow Schachcomputer enthusiasts!
Over the past few months I have been testing a few CCs in an all play all tourney. Initially it was going to be a small tournament for under 2000elo dedicated chess computers, but I decided to expand it a bit and try some stronger units as well. So far we have 28 computers playing each other twice at game in 30 mins. The games are all played using the excellent CB-Emulator by Franz Huber. The ratings are from Eric Hallsworth superb Selective Search magazine issue 160 (it is the only one I have a hard copy of). I have attached the PGN file to this post for you to peruse. I was surprised at the top candidate. Anhang 7535 Clive Interesting tournament.  Surprising to see the Tasc R30 2.23 as winner with 43.5/54 and 2 points ahead of all other 27 computers.Kind regards Kurt
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| Folgender Benutzer sagt Danke zu applechess für den nützlichen Beitrag: | ||
kamoj (18.11.2025) | ||
#3
16.11.2025, 19:53
| Folgender Benutzer sagt Danke zu Major Chaos für den nützlichen Beitrag: | ||
applechess (16.11.2025) | ||
#4
17.11.2025, 19:15
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AW: Dedicated Chess Computer Tourney
Hello Clive,
You've put together a fantastic tournament with some really powerful devices. Well done! I took the liberty of creating a tournament table for this wonderful event. Kind regards, Egbert
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| Folgende 12 Benutzer sagen Danke zu Egbert für den nützlichen Beitrag: | ||
alyechin (19.11.2025), Chessguru (17.11.2025), d.hammes (18.11.2025), Fluppio (18.11.2025), kamoj (18.11.2025), lars (20.11.2025), Major Chaos (19.11.2025), mclane (17.11.2025), paulwise3 (20.11.2025), Roberto (17.11.2025), Schachhucky (18.11.2025), Wandersleben (17.11.2025) | ||
#5
17.11.2025, 20:34
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AW: Dedicated Chess Computer Tourney
Very strong machines ….
__________________
Die ganze Welt des Computerschachs
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#6
20.11.2025, 11:33
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AW: Dedicated Chess Computer Tourney
Hello Clive,
Great tournament! I only regret that apart from the Modena there is no other Frans Morsch computer involved... Best regards, Paul .
__________________
Wenn ich mich irre, sollte es ein Horizont Wirkung sein 
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| Folgender Benutzer sagt Danke zu paulwise3 für den nützlichen Beitrag: | ||
Egbert (20.11.2025) | ||
#7
20.11.2025, 11:54
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AW: Dedicated Chess Computer Tourney
Hello Clive,
I find the clear lead of the Mephisto Nigel Short and Mephisto Milano over the Mephisto Polgar remarkable. Kind regards, Egbert
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#8
20.11.2025, 16:25
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Re: AW: Dedicated Chess Computer Tourney
Zitat von Egbert
Hello Clive,
I find the clear lead of the Mephisto Nigel Short and Mephisto Milano over the Mephisto Polgar remarkable. Kind regards, Egbert Agreed. They are all close in rating but the Polgar seemed to struggle at this time control. Best regards Clive
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| Folgender Benutzer sagt Danke zu Major Chaos für den nützlichen Beitrag: | ||
Egbert (20.11.2025) | ||
#9
20.11.2025, 16:38
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AW: Re: AW: Dedicated Chess Computer Tourney
Zitat von Major Chaos
Hi Egbert,
Agreed. They are all close in rating but the Polgar seemed to struggle at this time control. Best regards Clive That is entirely possible. Kind regards, Egbert
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| Folgender Benutzer sagt Danke zu Egbert für den nützlichen Beitrag: | ||
kamoj (20.11.2025) | ||
#10
23.11.2025, 10:23
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Re: Dedicated Chess Computer Tourney
I was wondering which unit to test next, and as Paulwise3 has mentioned there is a poor showing for Frans Morsch.
Now, I no longer own a Atlanta or Milano Pro which would put in a good showing. So I have opted to use the CB-Emu GK2100 but I have increased the MHz to 32 via the options and I have set it to run Game in 90 rather than 30. I have increased the speed by 300% to bring it in line with its opponents. I have tested this and it works well as long as you don't try and press the info button while it is running. So we have a GK2100 at a simulated 96MHz! First opponent is Modena. So it is Morsch v Morsch.
[Event "CB-Emu"]
[Site "Computer"] [Date "2025.11.21"] [Round "2"] [White "Mephisto Modena"] [Black "Saitek GK 2100 96MHz"] [Result "0-1"] [ECO "B01"] [WhiteElo "1899"] [BlackElo "2100"] [Annotator "Tactical Analysis 4.3 (4s)"] [PlyCount "104"] [EventDate "2025.??.??"] [TimeControl "1800+10"] {[%evp 9,103,53,102,66,120,56,52,59,83,72,92,93,96,90,143,72,207,205,250,189,230,217,206,191,233,60,168,-17,-24,-26,74,-92,176,79,275,253,451,59,65,44,212,143,140,9,19,2,7,-130,-127,-124,-103,-82,29,24,34,0,0,0,-7,-62,-66,-81,-81,-68,-85,-280,-256,-239,-228,-358,-358,-350,-348,-343,-317,-331,-320,-281,-282,-867,-901,-871,-861,-833,-826,-29992,-29993,-29993,-29994,-29995,-29996,-29997,-29998,-29998,-29999,-29999]} 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 c6 6. Bf4 g6 7. Bd3 Bg7 8. O-O {White is slightly better.} Bg4 9. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} O-O 10. h3 Bxf3 11. Nxf3 (11. Qxf3 Qxd4 12. Be2 Nbd7 $15) 11... c5 12. Qb3 (12. dxc5 Nfd7 $14) 12... b6 13. d5 Na6 14. Rfd1 Re8 15. Ne5 Nb4 16. Be2 {Threatens to win with a3.} a5 17. Bf3 $2 (17. a3 $18 a4 18. Qc3) 17... Qc8 18. d6 $2 (18. Qa4 $18) 18... exd6 19. Rxd6 Qf5 20. Bg3 (20. Bxa8 Qxf4 21. Rxb6 Qxe5 $17) (20. Bh2 $16 {is necessary to keep the advantage.}) 20... Ra6 {[%mdl 8192]} (20... a4 $17 21. Qd1 Ne4) 21. Re1 a4 $2 {[#]} (21... h5 $16 {might work better.}) 22. Qd1 $1 $18 Nc2 $2 (22... h5 23. Rd8 Rxd8 24. Qxd8+ Kh7 25. Nxf7 Ra7) 23. Re2 $2 ({Better is} 23. Bg4 $18 Nxg4 24. hxg4) 23... Nd4 $14 24. Re3 {Ng4 is the strong threat.} Nc2 $2 (24... h5 $14) 25. Rc3 Nd4 26. Ng4 Nxg4 27. Bxg4 Qg5 28. Ra3 (28. h4 $5 {[%cal Rh4g5]} Qh6 29. Rd3 $11) 28... f5 $36 {[%mdl 2048] Black is in control.} 29. Rd5 Qf6 30. Re3 Rxe3 31. fxe3 {[#] aiming for Rd6.} fxg4 32. exd4 (32. Be5 $5 {[%cal Re5f6]} Qh4 33. exd4 Bxe5 34. dxe5 gxh3 35. Rd8+ Kg7 36. Rd7+ Kh8 37. Qf3 (37. Rd8+ Kg7 $14) 37... h2+ 38. Kh1 Qe1+ 39. Kxh2 Qxe5+ 40. Kh3 Qf5+ 41. Qxf5 gxf5 42. Rb7 $14) 32... gxh3 33. Qg4 hxg2 34. Qc8+ (34. Kxg2 $5 {[%cal Rg4c8]} Ra8 35. Rd6 $15) 34... Bf8 $1 (34... Qf8 $2 35. Rd8 Ra7 36. Rxf8+ Bxf8 37. Qe6+ Rf7 38. d5 $18) 35. Kxg2 Ra7 {And now ...Rf7 would win.} 36. Rd6 Qe7 37. dxc5 $2 (37. Re6 $17 Qb7+ 38. Qxb7 Rxb7 39. Bf2) 37... Qe4+ 38. Kh2 Qe2+ (38... Qxc4 39. Rf6 Rf7 40. Rxf7 Kxf7 41. Qd7+ Kg8 42. cxb6 $11) 39. Kh1 Rf7 {[%cal Rf7f1] Prevents Rf6.} (39... Qxc4 40. Rf6 Rf7 41. Rxf7 Kxf7 42. Qc7+ Kg8 43. cxb6 Qd5+ 44. Kh2 $11) 40. Qe6 Qf3+ (40... Qxb2 $2 41. Rd7 Qb1+ 42. Kh2 $18 (42. Be1 Qf5 $16)) 41. Kh2 Bxd6 ({Inferior is} 41... bxc5 42. Rd2 $17) 42. cxd6 $19 {[%mdl 4096] Endgame KQR-KQB} Qf5 ({Not} 42... g5 43. d7 Qd1 44. Qe8+ Rf8 45. Qe6+ Rf7 46. Qe8+ Rf8 47. Qe6+ Rf7 $11) 43. Qe8+ Kg7 44. Qxa4 $2 (44. b4) 44... Qh5+ 45. Kg2 Qe2+ 46. Kh3 Rf1 {( -> ...Qh5+)} 47. Qd7+ Kh6 {Black mates.} 48. Qc6 g5 49. d7+ Kh5 {[%csl Ge2,Gh5][%cal Rg5g4]} 50. Qg6+ hxg6 {[%csl Ge2,Gh5][%cal Rg5g4]} 51. Bf2 Qf3+ 52. Bg3 Rh1# {Weighted Error Value: White=0.74/Black=0.40} 0-1 The GK powers through to its first win!
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