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  #1  
Alt 26.09.2023, 17:27
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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The 64-cup

Hello all,

from my computer chess collection, I most usually run swiss tournaments including a mix of chess computers and chess programs; selected in a range of relatively close ELOs.

On another hand, it is a best practice to power up and use each and every chess computer now and then; so I decided few years ago to run a yearly cup competition dedicated to my chess computers.

My first cup (2019) included 32 devices, later I used 48 chess computers, last year I entered 57 of them, and now I reached the nice number of 64 chess computers - so I am about to run this 64-cup!

It should be a three months or so effort; but considering I am now retired I plan to store and share the games (which I did not, previously).

Strong chess computers can face weak ones in such a cup, this can be unusually fun to watch

How do I proceed:
- 8 groups are created with 8 competitors each; of which one is selected amongst the eight strongest chess computers ("top seed"); and seven from the rest of my collection are randomly assigned to this group.
Code:
Top seed for group 1 is the DGT Centaur
 "    "   "  group 2 is the Millenium King Performance
 "    "   "  group 3 is the Vonset / Femuey L6-v2
 "    "   "  group 4 is the Millenium Chess Genius Pro
 "    "   "  group 5 is the CT800 1.42
 "    "   "  group 6 is the Mephisto Berlin
 "    "   "  group 7 is the Mephisto Chess Challenger 32Mhz
 "    "   "  group 8 is the Fidelity Designer Mach III Master 2265
This ensures the top chess computers will not prematurely eliminate each other during the selection phase.

- Then I run short swiss tournaments, one for each group. Three rounds are usually enough to rank 8 competitors (eventually using Sonneborn/Berger score). Each competitor plays once with the light pieces, once with the dark ones, thus two games per round. All the cup competition is played using 15secs/move level (or closest level).

- This selection phase provides 2+1 chess computers that will keep on fighting, and 5 that are eliminated. The first and second ranks will play for the cup, while the third one will play for a consolation prize.

- 1/8th final for the cup (featuring 16 chess computers) will cross-face for elimination 1st from a group and 2nd from another group (1st of group 1 plays 2nd of group 8; 2nd of group 2 plays 1st of group 7, 1st of group 3 plays 2nd of group 6, and so on...).

- next phases for the cup are classical quarter-final, semifinal, and final plus a secondary/small final for third place.

- the consolation prize for the third ranked computers from the selection phase is played in cup mode, starting at quarter-final step (featuring 8 chess computers).

Obviously the DGT Centaur (expert mode) is expected to win the cup; nevertheless this should not prevent some interesting games to happen. Which chess computer will challenge it as a finalist, and what about the third place? Forecasts for the first three horses are welcome...

MfG,
Tibono
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  #2  
Alt 26.09.2023, 18:34
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Murat Murat ist offline
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Re: The 64-cup

Thank you Tibono.

I will follow this with great interest.

Good luck

Murat
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kamoj (26.09.2023), Tibono (26.09.2023)
  #3  
Alt 26.09.2023, 19:40
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Roberto Roberto ist offline
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AW: The 64-cup

Thank you for this interesting tournament - I'm looking forward to it.
Best
Roberto
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kamoj (26.09.2023), Tibono (26.09.2023)
  #4  
Alt 26.09.2023, 20:58
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Groups are now designed. Let's start with group 1, contenders are:

- DGT Centaur
- Mephisto Mirage
- Conchess Escorter
- Novag Beluga
- Mephisto Mein erster
- Systema Challenge
- Fidelity Sensory Chess Challenger 8
- Novag Citrine

Round 1 matches will follow the above randomly created order; thus first two games will match DGT Centaur with Mephisto Mirage. The Centaur lets no chance to the Mirage; each weak move is merciless punished, and both below games are shortly completed (21 then 24 moves). Funny enough, both are French games. As the Mirage as black chose this opening and lost the first game, I suspect the Centaur wanted to instruct him how to win using the very same opening

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.26"]
[Round "1-1"]
[White "DGT Centaur (Expert mode)"]
[Black "Mephisto Mirage (lv A3)"]
[Result "1-0"]
[WhiteElo "2919"]
[BlackElo "1544"]
[EventDate "2023.09.26"]
[ECO "C07"]
[PlyCount "41"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nf6 5.exd5 Nxd5 6.Nb3 cxd4 {Out of book} 7.Bc4 Bb4+ 8.Bd2 Bxd2+ 9.Qxd2 Nc6 10.O-O-O e5 $6 {over-extended, weakens the d5 square} 11.Nxe5 Nxe5 12.Rhe1 Qd6 $2 {O-O was required. White is building too strong a pressure on center d and e files.} 13.Qxd4 Qh6+ 14.Qd2 Qxh2 $2 {and the center collapses. Qxd2 would have offered slightly more resistance.} 15.Bb5+ Kf8 16.Qxd5 Qh6+ 17.Kb1 Bg4 18.Qxe5 Be6 $4 {enables mate in 3} 19.Qd6+ Kg8 20.Qd8+ Rxd8 21.Rxd8# 1-0

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.26"]
[Round "1-1"]
[White "Mephisto Mirage (lv A3)"]
[Black "DGT Centaur (Expert mode)"]
[Result "0-1"]
[WhiteElo "1544"]
[BlackElo "2919"]
[EventDate "2023.09.26"]
[ECO "C02"]
[PlyCount "48"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Nh6 $6 {Qb6 is more usual - the Centaur pushes the Mirage out of book.} 6.Bxh6 {Out of book} 6...gxh6 7.Bb5 Bd7 8.Na3 $6 cxd4 9.Bxc6 Bxc6 10.Qxd4 Bxa3 11.bxa3 Bb5 12.a4 {Rb1 was better} 12...Ba6 13.Rd1 Qe7 14.Qe3 Rg8 15.g3 Rg4 16.Rd4 h5 17.Qh6 $4 {leaves the King much exposed. Kd2 was required.} 17...Qa3 $1 18.Qd2 Rc8 $1 {Now, heavy pieces can coordinate pressure} 19.Rxg4 Rxc3 20.Rg8+ Kd7 21.Kd1 {enables mate in 4, but the game was already hopeless} 21...Qxa4+ 22.Ke1 Qe4+ 23.Kd1 Qxf3+ 24.Ke1 Qxh1# 0-1


I have no clue when the DGT Centaur gets out of its book, as all moves (including the very first ones) are played after around 10 secs.

MfG,
Tibono
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  #5  
Alt 27.09.2023, 02:49
Hartmut Hartmut ist offline
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AW: The 64-cup

I guess the Centaur in Expert Mode is too strong in Expert Mode. Even the King would not been able to beat a Stockfish 8.
__________________
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https://www.iccf.com/player?id=89948&tab=3
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  #6  
Alt 27.09.2023, 07:16
Mephisto_Risc Mephisto_Risc ist offline
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AW: The 64-cup

Hello !

DGT Centaur in Expert Mode 2919 ?, not even the world Champion could beat him, an opponent with 1544 hm, for me a senseless match sorry.

Best Regards
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  #7  
Alt 27.09.2023, 07:32
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

 Zitat von Hartmut Beitrag anzeigen
I guess the Centaur in Expert Mode is too strong in Expert Mode. Even the King would not been able to beat a Stockfish 8.
Yes, you are right. Anyway this tournament is not meant to be fair: the fate of the Novag Chess Champion MK1 is not to be envied... By the way, as Scally stated, the Centaur engine is the last development version of Stockfish 8 (310118), prerelease of Stockfish 9 on the very same day...

Therefore, it is Stockfish 9.
MfG,
Tibono
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  #8  
Alt 27.09.2023, 13:56
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Second match for group 1, round 1, is Novag Beluga vs Conchess Escorter (basic module).

According to my Elo scale, the odds were 2/3 to 1/3 in favor of the Beluga. Well, the actual score being 1.5 to 0.5 can be considered well done from the Conchess; but zooming into both games is a bit more deceptive.

The Conchess played rather well as white until late middlegame, reaching a rather balanced position after exchanges, where both computers had equal material: 1 Queen, 1 Rook, 1 minor piece and 6 pawns . This was already an achievement with regards to its weaker Elo; but later the Conchess was 2 Pawns down and failed to provide support to its own center Pawns that could have put some pressure on the Beluga. The Beluga did not shine then, using around 30 moves to slowly convert the game into a win .

On the second game as black, the Conchess manages to get a piece ahead thanks to a blunder move from the Beluga (on move 15), but lets a position repetition later happen. The Beluga can be thankful for that!

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-2"]
[White "Conchess Escorter (basic module lv P2)"]
[Black "Novag Beluga (lv 12)"]
[Result "0-1"]
[WhiteElo "1420"]
[BlackElo "1701"]
[EventDate "2023.09.26"]
[ECO "B03"]
[PlyCount "134"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.exd6 exd6 {Out of book} 5.Nf3 Nc6 6.Bb5 {Out of book} 6...a6 7.Bxc6+ bxc6 8.Bg5 Be7 9.Qe2 O-O 10.Bxe7 Nxe7 11.Nc3 Re8 12.O-O-O Nd5 13.Qc4 Be6 14.Qxc6 Nxc3 15.Qxc3 Bxa2 $6 16.Qa5 $2 {b3 would have trapped the Bishop} 16...Bc4 17.Rhe1 Qd7 $6 {Be2 was much better} 18.Rxe8+ Rxe8 19.Nd2 Bb5 20.d5 Qc8 21.c4 Bd7 22.Rf1 $6 Qb7 23.b4 {white King is getting unsafe} 23...Re2 24.Kd1 Re5 25.f4 Bg4+ 26.Kc1 Re2 27.Rg1 Qa7 $1 28.c5 dxc5 29.bxc5 Qb7 30.c6 Qa7 {back to a strong attacking position} 31.Rh1 Rxg2 $6 {Qd4 was stronger} 32.h3 Rg1+ 33.Rxg1 Qxg1+ 34.Kb2 Qd4+ 35.Qc3 Qxc3+ 36.Kxc3 Bxh3 37.Nf3 $6 {best chances for white are to provide support to c and d Pawns, the Knight should not move away from them. Nc4 was a better choice.} 37...Bg2 38.Ne5 $2 {loser move} 38...Bxd5 39.Kd4 Bg2 40.Kc3 Bh1 $2 {loss of tempo: time to get the King to the fight, or to increase pressure with marching Pawns} 41.Kd4 f6 42.Nd3 Bxc6 43.Nb4 Bb5 44.Nd5 c6 45.Ne7+ Kf7 46.Nf5 g6 47.Nd6+ Ke6 48.Kc5 Kd7 49.Ne4 h5 50.Nxf6+ Ke6 51.Ne4 Kf5 52.Nd6+ Kxf4 53.Kd4 h4 54.Kc5 h3 55.Nf7 h2 56.Nh8 h1=Q 57.Nxg6+ Ke4 58.Nf8 Qh8 59.Kd6 Qxf8+ 60.Ke6 Qf5+ 61.Kd6 Qe5+ 62.Kd7 c5+ 63.Kd8 Qe8+ 64.Kc7 Qd7+ 65.Kb6 Qc6+ {Beluga announces mate in 2} 66.Ka7 Qc7+ 67.Ka8 Bc6# 0-1

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-2"]
[White "Novag Beluga (lv 12)"]
[Black "Conchess Escorter (basic module lv P2)"]
[Result "1/2-1/2"]
[WhiteElo "1701"]
[BlackElo "1420"]
[EventDate "2023.09.26"]
[ECO "C61"]
[PlyCount "67"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Bc5 6.c3 {Out of book} 6...Ne7 7.b4 Bb6 {Out of book} 8.cxd4 Bxd4 9.Nc3 a6 10.Bc4 b5 11.Bb3 Bb7 12.Re1 Nc6 13.Qf3 Ne5 14.Qe2 Qf6 {Qh4 was stronger} 15.Nd5 $2 {opens pressure on the a1 Rook} 15...Bxd5 $1 16.Bxd5 c6 $1 17.Rb1 {and Black is down a piece} 17...cxd5 18.exd5 O-O 19.Ba3 $6 Nc4 20.Rb3 Qf5 $6 {Nxa3 looked better} 21.Qf3 Qxf3 22.Rxf3 Nxd2 23.Rd3 Nc4 24.Rxd4 Nxa3 25.Re7 Rad8 26.Rd3 Nc2 27.a3 Rfe8 28.d6 Rf8 $6 {Kf8 was stronger} 29.Kf1 Kh8 $2 30.Re2 Rc8 $1 31.Re7 Rcd8 $6 32.Re2 Na1 $2 {there was another chance to play Rc8 (supports the Knight and gains control on c-file, for later coordinated attack Rook+Knight)} 33.Re1 Nc2 34.Re2 {3-rep draw} 1/2-1/2



MfG,
Tibono
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  #9  
Alt 27.09.2023, 14:23
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Murat Murat ist offline
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Re: The 64-cup

The Vonset L6 v2 had the potential to give Centaur expert a good challenge. But its software designers are very inexperienced.

All levels form 1-22 play in less then a second. They claim it is
working as intended. I say they have no clue.

Too bad.

Murat
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  #10  
Alt 27.09.2023, 17:09
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Third match in group 1, round 1, is Mephisto Mein Erster against Systema Challenge (using my "Tibono setting" intended to provide a slightly more dynamic play, whilst staying close to the original style: F1=9, F3=12, F4=F5=8, F6=11, F7=9).

The humble "Zen" 4K program from Eric van Riet Paap has of course no chance against Horvath's 32K running on a much faster H8.

The first game is sort of a miniature with only 16 moves, as the Mein Erster blunders very early. On another hand, the Challenge provides evidence it can be very passive: without errors from its opponent , despite playing as white (and despite my setting ), it lets the slow, closed game, reach 30 moves before daring to open the position on the Queen side. Under pressure, the Mein Erster fails to provide sufficient King safety and quickly loses to a corridor mate.

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-1"]
[White "Mephisto Mein Erster (lv h3)"]
[Black "Systema Challenge (Tibono setting lv 50)"]
[Result "0-1"]
[WhiteElo "1322"]
[BlackElo "1802"]
[EventDate "2023.09.26"]
[ECO "B41"]
[PlyCount "32"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bc4 {Out of book} 5...d5 6.Bd3 e5 {Out of book} 7.Nf3 Nf6 8.Nxe5 Bd6 9.Bf4 Qe7 10.Bxa6 $4 {with two attacks on the e5 Knight and an X-ray attack on the f4 Bishop, pinning the Knight, a white piece will be lost. I suspect the Mein Erster to push away the bad news beyond some horizon.} 10...Nxa6 11.Qd4 Nb4 12.exd5 $4 {what a royal fork to come!} 12...Nxc2+ 13.Kf1 Nxd4 14.Nf3 Qe2+ {Challenge announces mate in 3} 15.Kg1 Qd1+ 16.Ne1 Qxe1# 0-1

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-1"]
[White "Systema Challenge (Tibono setting lv 50)"]
[Black "Mephisto Mein Erster (lv h3)"]
[Result "1-0"]
[WhiteElo "1802"]
[BlackElo "1322"]
[EventDate "2023.09.26"]
[ECO "D30"]
[PlyCount "83"]

1.d4 d5 2.c4 e6 3.cxd5 exd5 4.Nf3 Bb4+ {Out of book} 5.Bd2 {Out of book} 5...Bxd2+ 6.Nbxd2 Nc6 7.e3 Nf6 8.Be2 O-O 9.Qb3 Na5 10.Qa4 Nc6 11.Qb3 Ne4 12.O-O Nxd2 13.Nxd2 Re8 14.Bf3 Ne7 15.Rac1 c6 16.Qb4 Nf5 17.Kh1 $6 {isn't it useless?} 17...a6 18.Nb3 Nd6 19.Na5 Re7 20.Rfe1 Be6 21.Re2 Bf5 22.Ree1 Qd7 23.Nb3 Nc4 24.Nc5 Qd6 25.b3 a5 26.Qc3 Nb6 27.Be2 Qh6 28.h3 Qh4 29.Kg1 Qg5 30.Kh2 a4 31.Qb4 Nc8 32.Nxa4 b5 33.Nc3 Ra6 $6 34.a4 $1 {the game opens on Queen side} 34...Qh4 35.axb5 Rb7 36.Qc5 cxb5 37.Nxd5 Nd6 $2 {the corridor mate should be prevented} 38.Nb4 Rab6 39.Qxf5 Rc7 $2 40.Rxc7 Nxf5 41.Rc8+ {Challenge announces mate in 2} 41...Qd8 42.Rxd8# 1-0



Mfg,
Tibono
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