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  #11  
Alt 27.09.2023, 21:22
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Round 1 for group 1 is now completed. Last match was Fidelity Sensory Chess Challenger 8 vs Novag Citrine, another very unbalanced match with a +700 CElo gap.

Sensory 8 with white pieces lets two black minor pieces prowl close to its uncastled King; when the black Queen joins the kill, it is soon all over...

... and playing Black, it already commits two errors within the first ten moves, the game is soon hopeless...

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-1"]
[White "Fidelity Sensory Chess Challenger 8
(lv 2)"]
[Black "Novag Citrine (lv at4)"]
[Result "0-1"]
[WhiteElo "1306"]
[BlackElo "2012"]
[EventDate "2023.09.26"]
[ECO "C77"]
[PlyCount "54"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 {Out of book} 5...Bc5 6.Bxc6 dxc6 7.Nxe5 Bd4 {Out of book} 8.f4 Bxe5 9.fxe5 Bg4 10.Ne2 Nxe4 11.d3 $4 {castling was required} 11...Qh4+ $1 12.g3 Nxg3 13.Bg5 Qh5 14.Nxg3 Qxg5 15.Qc1 Qxe5+ 16.Kd2 O-O $6 {O-O-O was stronger} 17.Re1 Qd4 18.Ne4 Rad8 19.a4 Rfe8 20.Ng3 Qf2+ 21.Kc3 Rxe1 22.Qxe1 Qd4+ 23.Kb3 Be6+ 24.Ka3 Qc5+ 25.Qb4 Qxc2 26.Qxb7 $2 Rxd3+ {Citrine announces mate in 3} 27.b3 Rxb3+ {Sensory 8 resigns} 0-1

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.27"]
[Round "1-1"]
[White "Novag Citrine (lv at4)"]
[Black "Fidelity Sensory Chess Challenger 8
(lv 2)"]
[Result "1-0"]
[WhiteElo "2012"]
[BlackElo "1306"]
[EventDate "2023.09.26"]
[ECO "C78"]
[PlyCount "73"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 {Out of book} 6.Bb3 Nxe4 7.Re1 d5 8.Nc3 Bc5 $2 {d5 Pawn called for support} 9.Bxd5 {Out of book} 9...Bxf2+ 10.Kf1 Bxe1 $2 {c6 Knight is left hanging. Bd7 or Bb7 were better.} 11.Bxc6+ Bd7 12.Bxe4 c6 13.Qxe1 {white has now a decisive material advantage, the black King lacks safety: the game is already lost for the Sensory 8.} 13...Qf6 14.d4 O-O 15.dxe5 Qe6 16.Bxh7+ $1 Kh8 {Bishop cannot be captured, because of the Ng5 fork threat.} 17.Bd3 Rfe8 $2 18.Qh4+ $1 Kg8 19.Qh7+ Kf8 20.Qh8+ Ke7 21.Bg5+ f6 22.Qxg7+ Kd8 23.exf6 {a deadly passed pawn} 23...Kc7 24.Bf4+ Kb6 25.Re1 Qg4 26.Qxg4 Rxe1+ 27.Kxe1 Bxg4 28.Ne5 Rg8 29.Nxg4 Rxg4 30.Be3+ c5 31.f7 b4 32.Nd5+ Kc6 33.Ne7+ Kd6 34.Nc8+ Kc6 35.f8=Q Kc7 36.Qxc5+ {Citrine announces mate in 2} 36...Kb8 37.Qb6+ {Sensory 8 resigns} 1-0



Group 1, round 1 result: Citrine, Challenge and Centaur lead with 2 points each; Beluga 1.5 points; Escorter 1/2 point; Sensory 8, Mein erster and Mirage zero points.

MfG,
Tibono
Mit Zitat antworten
Folgende 5 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag:
applechess (27.09.2023), ferribaci (28.09.2023), kamoj (28.09.2023), Mephisto_Risc (28.09.2023), Murat (27.09.2023)
  #12  
Alt 28.09.2023, 14:00
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Mephisto Mein erster and Mephisto Mirage start the round 2 for group 1. Would the small Mein erster manage to get a draw? Sorry no, the Mirage rules and scores 2 points.

Mein erster playing white blunders as soon as the tenth move, unaware of a forking threat by the Mirage's Knight. It really is blind to such forks, at least when playing at this pace (default level h3=15 seconds/move). The Mirage plays rather methodically then, towards the win, just a matter of technique.

On the return game, a nice performance from the Mein erster: ahead with dark pieces, as far as material is concerned, up to move 29: a Knight for two Pawns. It then lets the Mirage get initiative, penetrate the position with a Rook and remove a couple of exposed Mein erster's Pawns. The Mirage's own Pawns get much stronger than the Mein erster's Knight, marching for queening.

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.28"]
[Round "1-2"]
[White "Mephisto Mein Erster (lv h3)"]
[Black "Mephisto Mirage (lv A3)"]
[Result "0-1"]
[WhiteElo "1322"]
[BlackElo "1544"]
[EventDate "2023.09.26"]
[ECO "C86"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.a4 {Out of book} 8...Bg4 {Out of book} 9.axb5 Nd4 10.Qe1 $4 {enables a fork threat by the Knight, therefore losing material. Any other target square was much better for the attacked Queen...} 10...Bxf3 11.Rxa6 Be2 12.Rxa8 Qxa8 13.f3 Bxf1 14.Qxf1 Nxb3 15.cxb3 Qa7+ 16.Kh1 O-O 17.Nc3 Ra8 18.f4 Ng4 19.fxe5 Nf2+ 20.Kg1 Nxe4+ 21.Kh1 Nf2+ 22.Kg1 Ng4+ 23.Kh1 dxe5 24.h3 Nf2+ 25.Kh2 e4 26.Nd5 Bd6+ 27.g3 Nd3 28.Kg2 Qa1 29.Nxc7 $6 Bxc7 30.b6 Bxb6 31.Qf5 Qxc1 32.Qxe4 Qg1+ 33.Kf3 Qf1+ 34.Kg4 Nf2+ 35.Kf4 Nxe4+ 36.Kxe4 Qg2+ 37.Kf5 Qxg3 38.b4 Re8 $1 {the end.} 39.d4 Bxd4 40.b3 g6# 0-1

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.28"]
[Round "1-2"]
[White "Mephisto Mirage (lv A3)"]
[Black "Mephisto Mein Erster (lv h3)"]
[Result "1-0"]
[WhiteElo "1544"]
[BlackElo "1322"]
[EventDate "2023.09.26"]
[ECO "D46"]
[PlyCount "107"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 Bd6 7.e4 Nxe4 {Out of book} 8.Nxe4 {Out of book} 8...dxe4 9.Bxe4 e5 10.c5 Bc7 11.Qc2 exd4 12.Nxd4 Nf6 13.Nxc6 bxc6 14.Bxc6+ Bd7 15.Qe2+ Kf8 16.Bxa8 Ba5+ $6 {simply QxBa8 was better.} 17.Bd2 Bxd2+ 18.Qxd2 Qe8+ 19.Qe2 Qxa8 20.O-O Bc6 21.f3 Qe8 22.Rae1 Qxe2 23.Rxe2 Bb5 24.Rd2 Bxf1 25.Kxf1 $2 {Rd8+ would have pinned the Knight for a while on e8 (and blocked the Rook as well)} 25...Ke7 26.Re2+ Kd7 27.Kf2 Nd5 28.a3 Rd8 29.Kg3 g5 $2 {Kc6 was the right way} 30.Re5 Kc6 31.Rxg5 Kxc5 32.Rg7 Kd6 33.Rxf7 Rd7 34.Rxd7+ Kxd7 35.f4 Ke6 36.Kf3 Nf6 37.g4 Kd5 38.g5 Ne4 39.h4 Nd2+ 40.Kg4 Nc4 $2 {King should try to halt the white Pawns threat on King side: Ke6 was called for.} 41.f5 a6 $6 {useless} 42.g6 hxg6 43.fxg6 Nxb2 44.g7 Kd4 45.g8=Q Nc4 46.Qg7+ Kc5 47.Qa7+ Kb5 48.Qb7+ Nb6 49.h5 Ka5 50.h6 Kb5 51.h7 Ka5 52.h8=Q Kb5 53.Qc3 a5 54.Qcc6# 1-0



MfG,
Tibono
Mit Zitat antworten
Folgende 5 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag:
Egbert (28.09.2023), Hartmut (28.09.2023), kamoj (28.09.2023), Mephisto_Risc (28.09.2023), Murat (28.09.2023)
  #13  
Alt 28.09.2023, 19:00
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Conchess Escorter now faces Fidelity Sensory Chess Challenger 8. From their relative strength standpoint, Sensory 8 should be able to get half a point from this match.

This did not happen. First game is a lengthy one, 81 moves. The Conchess gets the lead once reaching early middlegame, but gives back this advantage in late middlegame, thru a - non that obvious - tactical error. The Conchess builds again an advantage, slowly overwhelming the Sensory 8 in the endgame phase.

In the next game, Sensory 8 plays white, and takes a lead in the 20th to 30th moves. This is all messed up after a couple of positional errors; and the Escorter prevails. 2 points for the Conchess.

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.28"]
[Round "1-2"]
[White "Conchess Escorter (basic module lv P2)"]
[Black "Fidelity Sensory Chess Challenger 8 (lv 2)"]
[Result "1-0"]
[WhiteElo "1420"]
[BlackElo "1306"]
[EventDate "2023.09.26"]
[ECO "B70"]
[PlyCount "161"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Bb5+ {Out of book} 6...Bd7 {Out of book} 7.Be3 Nc6 8.Bxc6 Bxc6 9.Nxc6 bxc6 10.O-O Qa5 11.Qd3 Rb8 12.Qc4 c5 13.Rab1 Bg7 14.Bg5 Qb6 15.Qa4+ Nd7 $2 {weakens e7. Kf8 was better.} 16.Nd5 $1 Qb7 17.Bxe7 $1 Be5 18.f4 $1 Bd4+ 19.Kh1 Rc8 20.c3 Bg7 21.Bxd6 Qc6 22.Qxc6 Rxc6 23.Nc7+ $2 {The dark Rook now forks two light pieces. With support from the dark King, a loss of material will happen for the Escorter.} 23...Kd8 24.Nb5 a6 25.Bc7+ Ke7 26.Bd6+ Rxd6 27.Nxd6 Kxd6 28.Rbd1+ Kc6 29.e5 Rd8 $6 {Nb6 with support from the King would have protected the a Pawn.} 30.Rd6+ Kc7 31.Rxa6 Rb8 32.Rf2 Nb6 $6 {Rb7 or Kb7 to prevent Ra7+ threat} 33.Ra7+ Rb7 34.Ra5 $6 {RxR was stronger} 34...Nd7 35.Re2 Rb6 $6 {again, enables Ra7+ threat.} 36.Ra7+ Kd8 $2 {Rb7 was a better choice.} 37.Rd2 $1 h5 $6 38.Rdxd7+ Ke8 39.Re7+ Kd8 40.Rad7+ Kc8 41.Rc7+ Kd8 42.Rcd7+ Kc8 43.Rxf7 Bh6 44.Rc7+ Kb8 45.a4 Bxf4 46.Rxc5 g5 $2 47.b4 Re6 48.Rb5+ Kc8 49.Rc5+ Kd8 50.Rd5+ $6 {Ra5-a8 was a stronger threat} 50...Ke8 51.Rf5 Rc6 52.h4 Rxc3 53.Kg1 Be3+ 54.Kf1 gxh4 55.Ke2 Bc1 56.Rxh5 Rc2+ 57.Kf3 Rc3+ 58.Ke2 Rc2+ 59.Kf1 Rc4 60.Rh8+ Ke7 61.Rb8 Rf4+ 62.Ke2 Bb2 63.Rb7+ Ke6 64.Rbb5 Re4+ 65.Kf3 Rxe5 $6 {Maybe not the best continuation; anyway the game is lost.} 66.Rxe5+ Bxe5 67.Ke4 Bd6 68.Rb6 Ke7 69.Kd5 Bc7 70.Re6+ Kd7 71.a5 Bd8 72.a6 h3 73.Rd6+ Ke8 74.Rxd8+ Kxd8 75.a7 hxg2 76.a8=Q+ Ke7 77.Qg8 g1=Q 78.Qxg1 Kf6 79.Qf2+ Ke7 80.Qh4+ Ke8 81.Ke6 {Sensory 8 resigns} 1-0

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.28"]
[Round "1-2"]
[White "Fidelity Sensory Chess Challenger 8 (lv 2)"]
[Black "Conchess Escorter (basic module lv P2)"]
[Result "0-1"]
[WhiteElo "1306"]
[BlackElo "1420"]
[EventDate "2023.09.26"]
[ECO "D32"]
[PlyCount "116"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.dxc5 {Out of book} 4...d4 5.Ne4 Bxc5 6.Qa4+ Bd7 {Out of book} 7.Qb3 b6 8.Nf3 Nf6 9.Nxc5 bxc5 10.Bf4 Bc6 11.Qd3 O-O 12.e3 Qa5+ 13.Ke2 Be4 14.Qd2 d3+ 15.Kd1 Qxd2+ 16.Kxd2 Rd8 17.Rc1 Bxf3 18.gxf3 e5 $2 {Nc6 was required before pushing this Pawn forward.} 19.Bxe5 Nfd7 20.Bc7 Rc8 21.Bd6 Rc6 22.Bf4 Ra6 23.Bxd3 Rxa2 24.Rc2 $6 {fails to play Be4, attacking the blocked Rook and capturing the Knight after Nc6 riposte.} 24...Na6 25.Bf5 Rd8 26.Rg1 Ne5+ 27.Ke2 f6 28.Bxe5 fxe5 29.Rg4 $6 {the Rook is now stuck on King side, while three opponent pieces are active on Queen side.} 29...Nb4 30.Be6+ Kf8 31.Rd2 Rxd2+ 32.Kxd2 Rxb2+ 33.Ke1 $4 {Kc3 was required, to keep the a file within range. Now the game is lost for the Sensory 8.} 33...Nd3+ 34.Kf1 Rxf2+ 35.Kg1 Rxf3 36.Re4 a5 37.Kg2 Rf2+ 38.Kg3 a4 39.Rxe5 a3 40.Rf5+ Ke7 41.Bc8 a2 42.Rxf2 Nxf2 43.Bg4 Nh1+ 44.Kf4 a1=Q 45.Bf3 Qf6+ 46.Kg4 h5+ 47.Kxh5 Qxf3+ 48.Kg5 Qxe3+ 49.Kg6 Qh6+ 50.Kf5 Qf6+ 51.Ke4 Qd4+ 52.Kf5 Kf7 53.h3 Ng3+ 54.Kg5 Qxc4 55.h4 g6 56.h5 Nxh5 57.Kh6 Qf4+ 58.Kh7 Nf6+ {Sensory 8 resigns} 0-1



MfG,
Tibono
Mit Zitat antworten
Folgende 4 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag:
Hartmut (28.09.2023), kamoj (28.09.2023), Mephisto_Risc (29.09.2023), Murat (28.09.2023)
  #14  
Alt 29.09.2023, 13:11
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Hi all,

third match, round 2 of group 1: how will the mighty Centaur spank the Beluga, proud of its 1.5 score so far?

1st game, Beluga playing as black commits a small positional error, merciless exploited by the Centaur.

In the second (short!) game, the Beluga wrongly opened the position on Queen side while its King wasn't castled; the Centaur achieves a strong attack completed with a nice move the Beluga didn't expect: it resigned on the fly .

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.29"]
[Round "1-2"]
[White "DGT Centaur (Expert mode)"]
[Black "Novag Beluga (lv 12)"]
[Result "1-0"]
[WhiteElo "2919"]
[BlackElo "1701"]
[EventDate "2023.09.26"]
[ECO "A00"]
[PlyCount "61"]

1.g4 d5 2.Bg2 c6 3.g5 e5 {Out of book} 4.d4 exd4 5.Qxd4 Bf5 6.e4 Bxe4 7.Bxe4 dxe4 8.Qxd8+ Kxd8 9.Nc3 Bb4 10.Ne2 Nd7 11.Bd2 Nc5 $6 {Exposes the King to the opened d file; and the Knight is only weakly supported by an easy to chase Bishop.} 12.O-O-O Kc8 13.Be3 f5 14.Ng3 Ne7 $2 {It was high time the Beluga retreated the c5 Knight.} 15.a3 $1 Bxc3 16.Bxc5 Nd5 17.bxc3 Nxc3 18.Rde1 g6 19.Bd4 Na2+ 20.Kb2 Rd8 21.Rd1 c5 22.Bxc5 Rxd1 23.Rxd1 b6 24.Be3 Kc7 25.Kxa2 Rg8 26.Ne2 a6 27.Bf4+ Kc6 28.Rd6+ Kc5 29.Nc3 Rc8 $6 {leaves the King in a mate net. b5 or a5 would have somewhat postponed the inevitable loss.} 30.Na4+ Kb5 31.Kb3 {Beluga resigns} 1-0

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.29"]
[Round "1-2"]
[White "Novag Beluga (lv 12)"]
[Black "DGT Centaur (Expert mode)"]
[Result "0-1"]
[WhiteElo "1701"]
[BlackElo "2919"]
[EventDate "2023.09.26"]
[ECO "A05"]
[PlyCount "38"]

1.Nf3 Nf6 2.b3 g6 3.Nc3 {Out of book} 3...d5 4.d4 Bg7 5.Bb2 c5 6.dxc5 Ne4 7.Nd4 Nxc5 8.e3 O-O 9.b4 Ne6 10.Nxe6 Bxe6 11.Rb1 a5 12.bxa5 $2 Qxa5 13.Qd3 Rc8 14.Kd2 Bf5 15.e4 Bxe4 16.Qh3 Bf5 17.Qf3 d4 18.Kd1 dxc3 19.Ba1 Bxc2+ $3 {Beluga resigns} 0-1



MfG,
Tibono
Mit Zitat antworten
Folgende 5 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag:
Egbert (29.09.2023), Hartmut (29.09.2023), kamoj (29.09.2023), Mapi (29.09.2023), Mephisto_Risc (29.09.2023)
  #15  
Alt 29.09.2023, 20:14
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

First surprise happened in the fourth match, round 2 of group 1: Novag Citrine and Systema Challenge shared a point each, they both won as white! This is despite the 200 CElo (or so) gap in favor of the Citrine...

It is well known they are both on the passive side of the playing style, therefore the games were lengthy ones (80 moves on average). The first game with Citrine as white player is rather balanced until move 50, where the Challenge commits the error that will turn the game to the Citrine's advantage.
The second game with the Systema Challenge (playing as white) is nicely balanced until move 20, even with a slight positional lead by the Challenge who has a stronger hand on the center of the board, to my opinion. On move 21, the Citrine commits an inaccuracy (not sure this can be evaluated as an error, I spent some time analyzing before understanding the issue with the Citrine's move, and what alternate better moves to play). The Challenge did spot the correct next move, and slowly but safely won. The Citrine stubbornly never resigned (sometimes it does...)

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.29"]
[Round "1-2"]
[White "Novag Citrine (lv at4)"]
[Black "Systema Challenge (Tibono setting lv 50)"]
[Result "1-0"]
[WhiteElo "2012"]
[BlackElo "1802"]
[EventDate "2023.09.26"]
[ECO "B85"]
[PlyCount "153"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.f4 Nc6 9.Be3 a6 10.Qe1 Qc7 11.Qg3 Bd7 {Out of book} 12.Bd3 Nb4 13.Be2 {Out of book} 13...d5 14.a3 Nc6 15.exd5 exd5 16.Rfe1 Rfe8 17.Bd3 Bc5 18.Nf5 Bxe3+ 19.Nxe3 Ne7 20.Qf3 Bc6 21.Ned1 $6 {prevents the d4 fork threat, but Nf1 was better to keep the Rooks linked and to enable going back to a more center position thru d2 square.} 21...d4 22.Ne4 Bxe4 23.Bxe4 Ned5 24.Nf2 Nxe4 25.Rxe4 Rxe4 26.Qxe4 Nxf4 27.Re1 Ne6 28.Re2 Rc8 29.Nd3 b5 30.Qe5 Qc4 31.Qf5 h6 32.Rf2 Qc7 33.Ne5 Rf8 34.Rf1 a5 35.Rf2 a4 36.Rf1 Qb7 37.Qh5 f6 38.Qg4 Qd5 39.Nd3 Qc6 40.Re1 Re8 41.Nb4 Qc4 42.Qh5 Rd8 43.Qf5 Rd6 44.Re4 Kh8 45.Re1 Nc7 46.Qc8+ Kh7 47.Qf5+ Kg8 48.Qc8+ Kf7 49.Qb7 Qc5 50.Kh1 f5 $2 {loses control on e5 square; after Nd3 attack on the black Queen, the Queen cannot any more escape to c6 square (Ne5 threat).} 51.Nd3 Qxc2 52.Rc1 Qxd3 53.Qxc7+ Ke6 54.Re1+ Kf6 55.Qxd6+ Kg5 56.Qe7+ Kg6 57.Qe2 Qxe2 58.Rxe2 Kf6 59.Re8 d3 60.Rd8 d2 61.Rxd2 Ke6 62.Rd4 h5 63.Rb4 Ke7 64.Rxb5 Ke6 65.Rb6+ Kd5 66.Rg6 Kc4 67.Rxg7 Kb3 68.Rb7+ Ka2 69.Kg1 Kb1 70.b4 Ka2 71.b5 Kxa3 72.b6 Kb4 73.Rc7 a3 74.b7 {Citrine announces mate in 3} 74...Kb3 75.b8=Q+ Ka2 76.Rc1 f4 77.Qb1# 1-0

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.29"]
[Round "1-2"]
[White "Systema Challenge (Tibono setting lv 50)"]
[Black "Novag Citrine (lv at4)"]
[Result "1-0"]
[WhiteElo "1802"]
[BlackElo "2012"]
[EventDate "2023.09.26"]
[ECO "B15"]
[PlyCount "165"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 {Out of book} 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Nf3 Bb4+ 7.c3 {Out of book} 7...Bd6 8.Bd3 O-O 9.Be3 Re8 10.Qc2 h6 11.O-O Bg4 12.Bh7+ Kh8 13.Be4 Qe7 14.Nd2 Nd7 15.h3 Be6 16.c4 Rac8 17.Rfe1 Qf8 18.Rad1 Qg8 19.b3 Qf8 20.Qd3 Rcd8 21.Qc2 Bb4 $6 {d5 threat required either Nb8 (freeing an escape for the e6 Bishop) or Rc8 (creating a threat after cxd5).} 22.d5 $1 cxd5 23.cxd5 Bxh3 24.gxh3 Rc8 25.Qd3 Nc5 26.Bxc5 Rxc5 27.Bf3 Rec8 28.Qe3 Rc2 29.a4 Rxd2 $6 {unnecessary quality loss} 30.Rxd2 Rc3 31.Qe2 $6 {Qe8!} 31...Rxf3 32.Qxf3 Bxd2 33.Re2 Bb4 34.Qe3 $6 b6 35.Qe8 $1 Qxe8 36.Rxe8+ Kh7 37.Ra8 a5 38.Rb8 Bc5 39.Rc8 Be7 40.Rc7 Bb4 41.Rxf7 Kg6 42.Rb7 Kf5 43.Rxb6 Ke5 44.Rb5 g5 45.Kg2 f5 46.Kf3 Kd6 47.Ke2 Ke5 48.Kd3 Be1 49.f3 Bb4 50.Rb6 Kxd5 51.Rxh6 Ke5 52.h4 Kf4 $6 53.hxg5 Kxg5 54.Rh7 Kf4 55.Rh4+ $1 Ke5 56.f4+ $6 {RxB wins faster} 56...Kd5 57.Rh5 Ke6 58.Rh6+ Ke7 59.Ra6 Be1 60.Kd4 Bb4 61.Ke5 Bd2 62.Ra7+ Kd8 63.Kxf5 Bc3 64.Ke4 Kc8 65.f5 Kd8 66.Kd3 Bb4 67.f6 Ke8 68.Ke4 Bc3 69.Kf5 Bd4 70.Rxa5 Kf7 71.Ra6 Bc5 72.Rc6 Bb4 73.Rc7+ Ke8 74.Ke6 Kd8 75.Rc4 Bf8 76.b4 Bh6 77.a5 Bg5 78.f7 Bh6 79.b5 {Challenge announces mate in 5} 79...Bf8 80.a6 Be7 81.a7 Bc5 82.f8=Q+ Bxf8 83.a8=Q# 1-0



The scores are now, after two rounds in group 1:
Centaur leads with 4 points; Citrine and Challenge 3 points; Escorter 2.5; Mirage 2; Beluga 1.5; Sensory 8 and Mein erster 0 points.

MfG,
Tibono
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kamoj (29.09.2023), Mephisto_Risc (01.10.2023), Murat (29.09.2023), paulwise3 (02.10.2023)
  #16  
Alt 30.09.2023, 17:59
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Hi,
now starts the third round for group 1, with the two weakest devices: Fidelity Sensory Chess Challenger 8 and Mephisto Mein erster. With 16 CElo difference in my ranking list, the match should be balanced.

The first game is indeed balanced during 55 moves, without blatant errors from any of the computers: well done from both! Then, in a difficult endgame for those small 4K programs (the Mephisto features a 8K ROM, but half part for the Zen program and half for training exercises), a wrong move from the Sensory 8 (white) provides an additional passed pawn to the Mein erster, which fails to convert the game to a win.

The second game is pure domination by the Mein erster as white. The Sensory 8 played ugly chess in the opening, moving its Queen during 6 out of its 10 first moves! Needless to say, it was under-developped ... But that was not enough, it also lost a Knight after moving it to a fork-vulnerable square. Later in the game, the Sensory 8 blunders and loses a Rook, in addition to the Knight . The endgame should have been a piece of cake for the Mein erster, overwhelming the Sensory 8 with a Queen, a Rook and two Pawns against a single opponent Pawn to support the King. It's a pity it lacks sufficient algorithms to handle such an easy mate process and prevent repetitions .

So the match was rather unbalanced, but the score ended balanced as expected: one point each after two draws.

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.30"]
[Round "1-3"]
[White "Fidelity Sensory Chess Challenger 8 (lv 2)"]
[Black "Mephisto Mein Erster (lv h3)"]
[Result "1/2-1/2"]
[WhiteElo "1306"]
[BlackElo "1322"]
[EventDate "2023.09.26"]
[ECO "D53"]
[PlyCount "140"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.cxd5 {Out of book} 5...exd5 6.Nf3 O-O {Out of book} 7.Qd3 Nc6 8.e3 Be6 9.Be2 Ng4 10.Bxe7 Nxe7 11.h3 Nf6 12.O-O Nc6 13.Ne5 Nxe5 14.dxe5 Ne8 15.Rad1 c6 16.f4 Qb6 17.Na4 Qb4 18.f5 $6 {This is just a Pawn gift, as the a4 Knight is hanging.} 18...Bxf5 19.Rxf5 Qxa4 20.Qb3 $2 Qxb3 21.axb3 b5 $6 {weakens the Pawns chain} 22.Rc1 g6 23.Rff1 Rc8 24.Bxb5 $1 c5 25.Ra1 Rb8 26.Ra5 Rb7 27.Rfa1 Ng7 28.h4 Nf5 29.Bc6 Rxb3 30.Rxc5 Rxb2 31.Bxd5 a6 32.Rxa6 Nxh4 33.Rc4 Nf5 34.Ra3 Rd8 35.e4 Ne7 36.Rd3 Re8 37.e6 Rb1+ 38.Kf2 Rb2+ 39.Kf3 Nxd5 40.exf7+ Kxf7 41.Rxd5 Ke6 42.Rc7 Rf8+ 43.Kg3 Rf7 44.Rd6+ Kxd6 45.Rxf7 h5 46.Kf3 Ke6 47.Rc7 g5 48.g3 Rb3+ 49.Kf2 Ke5 50.Re7+ Kd6 51.Rh7 Rb2+ 52.Kf3 Rb3+ 53.Kf2 Rb2+ 54.Ke3 Rh2 55.Rg7 g4 56.Kd3 $6 {the King should not move away from the King side.} 56...Rg2 57.Rg6+ Ke7 58.Kd4 Rxg3 59.e5 h4 $1 60.Rg7+ Kf8 61.Rc7 $2 {Rh7 was required} 61...h3 62.e6 $2 {again, Rh7 was called for} 62...h2 63.Rh7 Rg2 $2 {Rh3 was much better} 64.e7+ Ke8 65.Ke5 g3 66.Ke6 Re2+ $1 67.Kd6 Rd2+ $2 {Rxe7 would have led to a winning Queen versus Rook endgame. But such a sacrifice is too much for the Mein erster...} 68.Ke6 Re2+ 69.Kd6 Rd2+ 70.Ke6 Re2+ 1/2-1/2

[Event "The 64-cup"]
[Site "?"]
[Date "2023.09.30"]
[Round "1-3"]
[White "Mephisto Mein Erster (lv h3)"]
[Black "Fidelity Sensory Chess Challenger 8 (lv 2)"]
[Result "1/2-1/2"]
[WhiteElo "1322"]
[BlackElo "1306"]
[EventDate "2023.09.26"]
[ECO "B21"]
[PlyCount "117"]

1.e4 c5 2.d4 Qa5+ 3.Bd2 {Out of book} 3...Qb6 {Out of book} 4.Bc3 Nf6 5.e5 cxd4 6.Bxd4 Qb4+ $6 7.Bc3 Qe4+ 8.Ne2 Ng4 $2 {blind to the fork to come!} 9.f3 Qf5 10.Ng3 Qe6 11.fxg4 d6 12.Bb5+ Nc6 13.Bxc6+ bxc6 14.Rg1 $6 {what's the point with this move?} 14...dxe5 15.Ne4 Bd7 16.h3 Rb8 17.Nc5 Qd6 18.Nxd7 Kxd7 19.Bxe5 Qxd1+ 20.Kxd1 Rb5 21.Re1 e6 22.c4 Ra5 23.Nc3 f6 24.Bf4 Bd6 25.Bxd6 Kxd6 26.Ne4+ Ke7 27.b4 Rd8+ 28.Ke2 Ra4 29.a3 a5 $4 {self-traps the Rook!} 30.Nc3 Rxa3 31.Rxa3 axb4 32.Ra7+ Rd7 33.Rxd7+ Kxd7 34.Rd1+ Ke7 35.Ne4 b3 36.Nc5 b2 37.Nd3 h5 38.gxh5 g6 39.hxg6 b1=Q 40.Rxb1 Kf8 41.Rb6 f5 42.c5 Kg7 43.Ne5 Kf6 44.Rb7 Kxe5 45.g7 Kd5 46.g8=Q f4 47.Re7 Kxc5 48.Qxe6 Kb6 49.h4 f3+ 50.Kxf3 Kb5 51.Qe2+ Kb4 52.Qe4+ Kb5 53.Qe2+ $6 {useless repetition} 53...Kb4 54.Qe1+ Kc4 55.Qe4+ Kb5 56.Qd3+ Kb4 57.Qb1+ Kc4 58.Qe4+ {another rep.} 58...Kb5 59.Qe2+ 1/2-1/2



MfG,
Tibono
Mit Zitat antworten
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Hartmut (30.09.2023), Mapi (30.09.2023), Mephisto_Risc (01.10.2023), Murat (30.09.2023)
  #17  
Alt 01.10.2023, 01:35
Benutzerbild von udo
udo udo ist offline
Lebende Foren Legende
 
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AW: The 64-cup

Ich finde es etwas seltsam, Schachcomputer mit teils mehreren Hundert Elo Spielstärkeunterschied gegeneinander spielen zu lassen.
Mit Zitat antworten
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Murat (01.10.2023), Tibono (01.10.2023)
  #18  
Alt 01.10.2023, 07:30
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Tag Udo,
Sie haben Recht, es ist ein bisschen seltsam. Auf jeden Fall ist es ungewöhnlich. Im Moment findet in Frankreich die Rugby-Weltmeisterschaft statt, und ich sehe gerne zu, wie starke Mannschaften schwächere überwältigen können - vielleicht bin ich ein bisschen sadistisch ?
mit freundlichen Grußen,
Eric
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Bryan Whitby (01.10.2023), Murat (01.10.2023)
  #19  
Alt 01.10.2023, 13:35
Tibono Tibono ist offline
Mephisto Wundermaschine
 
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AW: The 64-cup

Hi guys,
here occurs an outcome that was to be expected: Novag Beluga gets 1.5 points from its fight with Mephisto Mirage.

First game is balanced, without significant errors from both, and ends as a draw with an agreed repetition of positions .

Second game is as well balanced for a while, then the Mirage playing dark pieces blunders on move 19 . The Beluga mates only five moves later.

[Event "The 64-cup"]
[Site "?"]
[Date "2023.10.01"]
[Round "1-3"]
[White "Mephisto Mirage (lv A3)"]
[Black "Novag Beluga (lv 12)"]
[Result "1/2-1/2"]
[WhiteElo "1544"]
[BlackElo "1701"]
[EventDate "2023.09.26"]
[ECO "D27"]
[PlyCount "89"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O {Out of book} 6...a6 7.dxc5 Qa5 {Out of book} 8.Bd2 Qxc5 9.Na3 Ne4 10.Bd3 Nxd2 11.Nxd2 Nc6 12.Nb3 Qg5 13.f4 Qd8 14.Nc4 Be7 15.Rc1 O-O 16.Qc2 f5 17.Rfd1 Nb4 18.Qb1 Nxd3 19.Qxd3 Qxd3 20.Rxd3 Bf6 21.Rd2 Bd8 22.Nd6 Bb6 23.Nd4 Rd8 24.Rxc8 Raxc8 25.Nxc8 Rxc8 26.b3 Rc1+ 27.Kf2 Kf7 28.a4 Kf6 29.Rd3 g6 30.Kg3 Rf1 31.h4 Ba7 32.a5 Ra1 33.b4 h6 34.Kf3 Rf1+ 35.Kg3 Ra1 36.Rb3 Bxd4 37.exd4 Rd1 38.b5 Rxd4 39.bxa6 bxa6 40.Rb6 Rd3+ 41.Kf2 Rd2+ 42.Kf3 Rd3+ 43.Kf2 Rd4 44.Kg3 Rd3+ 45.Kf2 1/2-1/2

[Event "The 64-cup"]
[Site "?"]
[Date "2023.10.01"]
[Round "1-3"]
[White "Novag Beluga (lv 12)"]
[Black "Mephisto Mirage (lv A3)"]
[Result "1-0"]
[WhiteElo "1701"]
[BlackElo "1544"]
[EventDate "2023.09.26"]
[ECO "B40"]
[PlyCount "47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6 {Out of book} 6...bxc6 7.e5 Nd5 8.Nxd5 cxd5 {Out of book} 9.Bd3 d6 10.exd6 Bxd6 11.O-O O-O 12.Qh5 g6 13.Qf3 Qc7 14.h3 Rb8 15.Bh6 Rd8 16.b3 Bd7 17.Rad1 Bb5 18.Bxb5 Rxb5 19.Rfe1 Qxc2 $4 {abandons defending the d8 Rook, threatened by Qf6} 20.Qf6 $1 Bh2+ $6 {Bf8 offered longer resistance} 21.Kxh2 Qc7+ 22.Kg1 {Beluga announces mate in 2} 22...Qh2+ 23.Kxh2 Rbb8 24.Qg7# 1-0



MfG,
Tibono
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Egbert (01.10.2023), Mephisto_Risc (01.10.2023), Murat (01.10.2023)
  #20  
Alt 01.10.2023, 14:06
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Murat Murat ist offline
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Re: The 64-cup

I am waiting for the chess gods to intervene.

Remember David and Goliath

Murat
__________________
Bitte antworten Sie auf Deutsch. Ich kann übersetzen.
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Tibono (01.10.2023)
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