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#1
20.10.2023, 17:44
| Folgende 4 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag: | ||
#2
21.10.2023, 11:54
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Re: The 64-cup
Hi,
round 2 for group 4 starts with VEB RFT Chess-Master Diamond + PM11 versus Hegener & Glaser Mephisto I-X. Again a balanced match, in the same area as the previous one, as far as probabilities are concerned: theoretically 56 points out of 100 in favor of the brikett. The first game with Diamond playing White is thoroughly balanced from a material standpoint; the Diamond offered twice a nice opportunity for the 1X which failed to spot it. The game ends in a draw. I am happy with the second game, where the Chess-Master achieves a win: it is such a nice device! Of course, both computers miss some opportunities across the whole game, but the Diamond finds the killer move 27 ... Bxf3! and the 1X will never recover from that  . At some point it could have drawn per repetition, but failed to play it.
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.21"] [Round "4-2"] [White "VEB RFT Chess-Master Diamond + PM11 (lv 2)"] [Black "Mephisto I-X (lv a3)"] [Result "1/2-1/2"] [WhiteElo "1304"] [BlackElo "1345"] [EventDate "2023.09.26"] [ECO "D02"] [PlyCount "178"] 1.d4 {No book} 1...d5 2.Nf3 Nf6 {Out of book} 3.Bf4 Nc6 4.e3 Bf5 5.Bb5 a6 6.Bxc6+ bxc6 7.Ne5 Qb8 8.Qc1 Qb7 9.O-O e6 10.Nf3 $6 {this Knight looked fine at this advanced post} 10...Rb8 11.Ne5 Bd6 12.c4 O-O 13.cxd5 cxd5 14.b3 Bxe5 15.Bxe5 Bd3 16.Rd1 Bxb1 17.Rxb1 Ne8 18.Bf4 Nd6 19.Rf1 Qb6 20.Ra1 f5 21.Rb1 a5 22.Qc3 Rfc8 23.Rbc1 Nb5 24.Qd3 Nd6 25.Qc3 Qa6 26.Rb1 Qb6 27.Qc5 Qxc5 28.dxc5 Ne4 29.Rbc1 Rb4 30.Rfe1 a4 31.bxa4 Rxa4 32.Re2 Rc4 33.Rxc4 dxc4 34.c6 c3 35.Re1 $2 {enables c2 threat, followed by Rc1 Rd8-d1} 35...Kf8 $2 {missed opportunity: see above} 36.Be5 $2 {enables again c2 threat} 36...Ra8 $2 {again, missed opportunity} 37.f3 Nd6 38.Bxc3 Ra6 39.Be5 Ne8 40.Rc1 Rxa2 41.Bc3 Re2 42.Re1 Rc2 43.Bb4+ Kf7 44.Rd1 Nf6 45.Rd4 Kg6 46.Rd1 Nd5 47.Rd4 Rc1+ $2 48.Kf2 Rxc6 49.Bd2 Rb6 50.Ba5 Rb3 51.Bd2 Nc3 52.Rc4 Rb2 53.Rxc3 Rxd2+ 54.Kg3 Rd7 55.Kf4 Kf6 56.Kg3 g5 57.h4 gxh4+ 58.Kxh4 h5 59.g3 Rd1 60.Kh3 Re1 61.e4 fxe4 62.fxe4 Rxe4 63.Rc6 Kf5 64.Rc3 c5 65.Rxc5+ e5 66.Rc3 Rd4 67.Rc5 Rd1 68.Rc3 e4 69.Rc5+ Kg6 70.Rc3 $6 {Re5 was natural} 70...Rd6 71.Rc5 e3 72.Re5 Rd3 73.Kg2 Rd2+ 74.Kf3 e2 75.Re4 Rd3+ 76.Kf2 h4 77.gxh4 Rd5 78.Re6+ Kh7 79.Re7+ Kg6 80.Re6+ Kh7 81.Re4 Kg6 82.Rg4+ Kf5 83.Rg5+ Ke4 84.Rxd5 e1=Q+ 85.Kxe1 Kxd5 86.h5 Ke5 87.Ke2 Kf6 88.h6 Kg6 89.Kd3 Kxh6 1/2-1/2 [Event "The 64-cup"] [Site "?"] [Date "2023.10.21"] [Round "4-2"] [White "Mephisto I-X (lv a3)"] [Black "VEB RFT Chess-Master Diamond + PM11 (lv 2)"] [Result "0-1"] [WhiteElo "1345"] [BlackElo "1304"] [EventDate "2023.09.26"] [ECO "D06"] [PlyCount "164"] 1.d4 Nf6 {No book} 2.c4 d5 3.cxd5 Qxd5 4.Nc3 {Out of book} 4...Qa5 5.e4 Nc6 6.Bb5 a6 7.Bxc6+ bxc6 8.Qc2 e6 9.Nf3 Bb4 10.O-O O-O 11.Bf4 Nh5 12.Be5 Nf6 $6 {enables damaging the Pawns structure & King safety} 13.Bxf6 gxf6 14.e5 Be7 15.b3 $6 {Ne4 would have kept on pressure} 15...Bb7 16.Rac1 Qb6 $2 17.Qd3 $2 ( 17.exf6 Bxf6 18.Ne4 Kg7 19.Nxf6 Kxf6 20.Qxh7 {and the Black King is much exposed} ) 17...Qb4 18.Ne4 f5 19.Nf6+ {nice outpost!} 19...Kg7 20.Rc4 Qa5 21.Ra4 Qb5 22.Nh5+ $6 {Qe3 or Qd2 to add pressure to the ennemy King position was far better than moving this outposted Knight} 22...Kg6 23.Nf4+ Kh6 24.Rc1 Qxd3 25.Nxd3 Rg8 26.Nb4 $6 {Nc5 looked more promising} 26...c5 27.dxc5 $2 {Looks like the losing move. Ne1 was required} 27...Bxf3 $1 28.g3 a5 29.Nd3 Rgd8 30.Ne1 Be4 31.c6 Rd5 32.f4 Rc5 33.Rac4 Rd5 34.Ra4 Rc5 35.Rac4 Rb5 36.g4 Rd8 37.gxf5 Bxf5 38.Nf3 Rg8+ 39.Kh1 Rd5 40.Rg1 Rxg1+ 41.Kxg1 Bc5+ 42.Kg2 Bd3 43.Ra4 Be7 $6 {Bb4 would have locked the White Rook} 44.Rd4 Bc5 45.Ra4 Be3 $6 {Bb4 again was better} 46.Ng5 Bg6 47.Kf3 Bg1 48.Kg2 Be3 49.Kf3 Bd4 50.Kg4 Bh5+ 51.Kh4 Bf2+ 52.Kh3 Bd4 53.Kh4 Bg1 54.Kg3 Bd4 $2 {offers a draw opportunity if Kh4} 55.Kh3 $2 {fails to draw} 55...Bxe5 56.Nxf7+ Bxf7 57.fxe5 Rxe5 58.Kg3 Rc5 59.Rc4 Rxc4 60.bxc4 e5 61.Kf3 Bxc4 62.Ke4 Bxa2 63.Kxe5 a4 64.Kd4 Bd5 $1 65.Kxd5 a3 66.Ke6 a2 67.Kd7 a1=Q 68.Kxc7 Qe5+ 69.Kd7 Qf5+ 70.Kd6 Qf4+ 71.Kd5 Qxh2 72.Ke6 Qc7 73.Kd5 Kg6 74.Kc5 h5 75.Kb5 Qa7 76.Kc4 h4 77.Kd5 h3 78.Ke6 h2 79.Kd6 h1=Q 80.c7 Qd4+ 81.Ke7 Qhe4+ 82.Kf8 Qg7# 0-1 MfG, Tibono 
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#3
21.10.2023, 20:42
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Re: The 64-cup
Hi,
as the Tiger Grenadier scored zero points after meeting the Chess Genius Pro, it now has more than a chance to come back, facing the modest Stadlbauer Maestro Schachprofessor. As I use specific settings for the Grenadier evaluation, maybe worth mentioning these: Shield (King safety) raised from 20 to 25%, and Eval Pawn from 0 to 2%. Of course they should not much influence the result of this unbalanced match; nevertheless the Stadlbauer Maestro has been a rather fine trainer as it did not commit blatant blunders; just being slowly overwhelmed. Both games in 49 moves; funny isn't it?
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.21"] [Round "4-2"] [White "Stadlbauer Maestro Schachprofessor (lv h4)"] [Black "Tiger Grenadier (tibono setting lv 15s avg)"] [Result "0-1"] [WhiteElo "1388"] [BlackElo "1855"] [EventDate "2023.09.26"] [ECO "A51"] [PlyCount "97"] 1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Nf3 {Out of book} 4...Nc6 5.e3 Bb4+ {Out of book} 6.Bd2 Nxd2 7.Nbxd2 O-O 8.a3 Be7 9.e4 Re8 10.Bd3 d6 11.exd6 Qxd6 12.Qb1 Rd8 13.Bf1 Be6 14.b4 Qf4 15.Bd3 Bf6 16.Ra2 a5 17.b5 Ne5 18.Nxe5 Qxe5 19.O-O {Black Queen intrusion on c3 square was to be prevented: Qc2 was best} 19...Qc3 $1 20.e5 Rxd3 21.exf6 Rxd2 22.Qe1 Rd3 23.Qxc3 Rxc3 24.Re1 Bxc4 25.Rd2 Bxb5 26.fxg7 Kxg7 27.Rb2 Re8 28.Rd1 c6 29.Ra2 Re2 30.Rxe2 Bxe2 31.Rb1 Rxa3 32.f3 b5 33.Kf2 Bc4 34.Kg3 Re3 35.Kf4 Re2 36.Rg1 Rf2 37.h4 Rf1 38.Rxf1 Bxf1 39.Ke3 Bxg2 40.f4 Kh6 41.f5 c5 42.Kd3 a4 43.Kc3 b4+ 44.Kd2 a3 45.Kc1 b3 46.f6 b2+ 47.Kb1 Be4+ {Grenadier annouces mate in 4} 48.Ka2 b1=Q+ 49.Kxa3 {Maestro resigns} 0-1 [Event "The 64-cup"] [Site "?"] [Date "2023.10.21"] [Round "4-2"] [White "Tiger Grenadier (tibono setting lv 15s avg)"] [Black "Stadlbauer Maestro Schachprofessor (lv h4)"] [Result "1-0"] [WhiteElo "1855"] [BlackElo "1388"] [EventDate "2023.09.26"] [ECO "A00"] [PlyCount "97"] 1.g3 d5 2.Bg2 {Out of book} 2...e5 3.d4 exd4 {Out of book} 4.Qxd4 Nf6 5.Bg5 Be7 6.Nc3 Nc6 7.Qf4 Nh5 8.Qf3 Bxg5 9.Qxh5 Nb4 10.Rd1 Nxc2+ 11.Kf1 d4 12.Be4 g6 13.Qf3 Nb4 14.Bxb7 Bxb7 15.Qxb7 c5 16.Qb5+ Qd7 17.Qxc5 Qe7 $6 {Be7 offered more resistance} ( 17...Be7 18.Qxd4 Qxd4 19.Rxd4 O-O ) 18.Qb5+ Kf8 19.Rxd4 a5 20.Re4 Qf6 21.a3 Nc6 22.Nf3 Bc1 23.Qc5+ Kg7 24.Nd5 Qf5 25.Rc4 Qh3+ 26.Kg1 Bxb2 27.Rc2 Rhb8 28.Rxb2 Qe6 29.Qc3+ f6 30.Nc7 Qc8 31.Nxa8 Rxb2 32.Qxb2 Qxa8 33.e4 Kf7 34.e5 fxe5 35.Nxe5+ Ke6 36.Nc4 Qd8 37.Qe2+ Kd5 38.Ne3+ Kc5 39.Qc4+ Kd6 40.Qd3+ Kc5 41.Qc3+ Kd6 42.Kg2 Qc7 43.Rd1+ Ke6 44.Qc4+ Ke7 45.Nd5+ Kd7 46.Qg4+ Kd8 47.Nxc7+ Kxc7 48.Qd7+ {Grenadier announces mate in 5} 48...Kb6 49.Rd6 {Maestro resigns} 1-0 MfG, Tibono
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#4
22.10.2023, 11:06
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Re: The 64-cup
Hello,
now the Mephisto Milano v2.00 (a standard Milano equipped with a Nigel Short ROM) meets the Novag Carnelian II. Odds are over 96% in favor of the Schröder program... In the first game, the Carnelian II playing with the dark pieces loses too much material far too early, starting with move 12. Then the game just looks like a mouse trapped under the paws of a big cat.  Playing with the light pieces in the second game, the Carnelian II fares much better, pretty on par with the Milano v2 during 25 moves or so. It then tries to gain some material, capturing a supported Pawn with its Bishop, simultaneously unveiling a threat on the ennemy Bishop.  Unfortunately, the threatened Bishop can escape with tempo... Wrong calculation, little Carnelian...
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.22"] [Round "4-2"] [White "Mephisto Milano v2.00/N. Short (lv T40/10)"] [Black "Novag Carnelian II (lv we4)"] [Result "1-0"] [WhiteElo "2008"] [BlackElo "1437"] [EventDate "2023.09.26"] [ECO "B92"] [PlyCount "97"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O Nfd7 {Out of book} 9.Be3 {Out of book} 9...O-O 10.Qd2 Nc6 11.Nd5 Nf6 12.Bb6 Qe8 $2 {Qd7 would have avoided the fork to come} 13.Nc7 Nxe4 14.Qe3 Bg5 $2 {useless threat on the ennemy Queen, loses the e4 Knight in addition to the forked Rook.} 15.Qxe4 d5 16.Qa4 Qd7 17.Nc5 Qf5 18.Nxa8 Nd4 19.Bd3 Qf4 20.Nc7 Rd8 21.N7xa6 Rf8 22.Nb4 Be6 23.c3 Nc6 24.Nxe6 fxe6 25.Be3 Qg4 26.Bxg5 Qxg5 27.Nxc6 bxc6 28.Qxc6 Qe7 29.f3 Qe8 30.Qxe8 Rxe8 31.Rfe1 h5 32.Rxe5 h4 33.Rae1 Kf7 34.Bf5 Rb8 35.Bxe6+ Kf6 36.R1e2 Re8 37.Rf5+ Kg6 38.Rxd5 Kf6 39.Rf5+ Kg6 40.Rf4 Kg5 41.g3 hxg3 42.hxg3 Re7 43.Rf5+ Kg6 44.Rf8 Rxe6 45.Rxe6+ Kg5 46.a4 Kh5 47.Rf5+ {Milano v2 announces mate in 3} 47...g5 48.Rff6 g4 49.Re5# 1-0 [Event "The 64-cup"] [Site "?"] [Date "2023.10.22"] [Round "4-2"] [White "Novag Carnelian II (lv we4)"] [Black "Mephisto Milano v2.00/N. Short (lv T40/10)"] [Result "0-1"] [WhiteElo "1437"] [BlackElo "2008"] [EventDate "2023.09.26"] [ECO "D04"] [PlyCount "100"] 1.d4 Nf6 2.Nf3 d5 3.e3 Bg4 {Out of book} 4.c4 e6 5.Qa4+ {Out of book} 5...Qd7 6.Qxd7+ Nbxd7 7.Ng5 h6 8.Nf3 Bxf3 9.gxf3 c5 10.cxd5 Nxd5 11.Nc3 cxd4 12.Nxd5 exd5 13.exd4 Rc8 14.Bh3 Rc4 15.O-O Rxd4 16.Re1+ Be7 17.Bxd7+ Kxd7 18.Be3 Rb4 19.Rad1 Rxb2 20.Rxd5+ Kc6 21.Ra5 Rc2 22.Rxa7 Bd6 23.h4 Bb8 24.Ra3 Rd8 25.Kg2 Be5 26.Bxh6 $2 {Carnelian II didn't calculate deep enough. Nevertheless, a bold initiative.} 26...Bd6 {of course!} 27.Bg5 f6 28.Rc1 Rxc1 29.Bxc1 Bxa3 30.Bxa3 Ra8 31.Bb4 Rxa2 32.h5 Ra8 33.Kg3 Rd8 34.f4 Kb5 35.Be7 Rd7 36.Bf8 Kc4 37.f5 b5 38.f4 b4 39.Kf3 Kc3 40.Ke4 b3 41.Bxg7 Rxg7 42.h6 Rh7 43.Kd5 b2 44.Ke6 b1=Q {Milano v2 announces mate in 7} 45.Kxf6 Qb6+ 46.Ke5 Re7+ 47.Kd5 Qb5+ 48.Kd6 Rd7+ 49.Ke6 Qc6+ 50.Ke5 Re7# 0-1 MfG, Tibono
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#5
22.10.2023, 16:27
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Re: The 64-cup
Hi,
last match for round 2 faces the Millenium Chess Genius Pro and the Mephisto Europa A. With roughly 600 CElo more, the CGP has nothing to worry about. The first game is just a steady glide down for the Morsch program; while a clear error during the second one throws it down as soon as move 19.
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.22"] [Round "4-2"] [White "Millenium Chess Genius Pro (lv 15s)"] [Black "Mephisto Europa A (lv a3)"] [Result "1-0"] [WhiteElo "2303"] [BlackElo "1702"] [EventDate "2023.09.26"] [ECO "C28"] [PlyCount "77"] 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 4.d3 Bb4 5.Ne2 d5 {Out of book} 6.exd5 {Out of book} 6...Nxd5 7.a3 Nxc3 8.Nxc3 Bxc3+ 9.bxc3 Bf5 10.Rb1 Na5 11.Ba2 a6 12.O-O O-O 13.Qf3 Qd7 14.Bd5 Bg4 15.Qe4 c6 16.Ba2 Be6 17.Bxe6 Qxe6 18.Rb6 Rad8 19.Qb4 Rd5 20.c4 Nxc4 21.Qxc4 Qe7 22.a4 Rfd8 23.Be3 f5 24.Rfb1 Rd7 25.Qb3 f4 26.Bd2 f3 27.gxf3 Qf6 28.Rxb7 Qg6+ 29.Kf1 Rxb7 30.Qxb7 Qf6 31.Qxa6 Rd7 32.Qc4+ Rd5 33.Rb6 Kf8 34.Rxc6 Qxf3 35.Bb4+ Kf7 36.Rd6 Qh1+ 37.Ke2 Qg2 38.Qc7+ {CGP announces mate in 4} 38...Kf8 39.Rd8# 1-0 [Event "The 64-cup"] [Site "?"] [Date "2023.10.22"] [Round "4-2"] [White "Mephisto Europa A (lv a3)"] [Black "Millenium Chess Genius Pro (lv 15s)"] [Result "0-1"] [WhiteElo "1702"] [BlackElo "2303"] [EventDate "2023.09.26"] [ECO "E11"] [PlyCount "88"] 1.c4 e6 2.d4 Nf6 3.Nf3 Bb4+ 4.Bd2 a5 5.Bxb4 {Out of book} 5...axb4 {Out of book} 6.Nbd2 d6 7.e4 Nc6 8.Be2 e5 9.d5 Nd4 10.Nxd4 exd4 11.Nf3 Qe7 12.Nxd4 Nxe4 13.O-O O-O 14.f3 Nf6 15.Qb3 c5 16.dxc6 bxc6 17.Rfe1 Qa7 18.Rad1 Bd7 19.Rd3 $2 {loses the Knight: can't evade c5 ennemy threat (Nc2 would lock the White Queen vulnerable to Ba4; and Nb5 would enable c4+ fork after BxN cxN)} 19...c5 20.a3 cxd4 21.Qxb4 Bf5 22.Qxd6 Rfd8 23.Qg3 Qb6 24.c5 Qxc5 25.Qg5 h6 26.b4 hxg5 27.bxc5 Bxd3 28.Bxd3 Rxa3 29.Bf1 Rc3 30.Kf2 Rc2+ 31.Kg3 d3 32.Re5 Nh5+ 33.Kg4 Nf4 34.Re1 d2 35.Rd1 Rc1 36.c6 Rxd1 37.c7 Rc8 38.Bc4 Rb1 39.Kxg5 Rxc7 40.Ba2 Rb4 41.Kh4 Ne2+ 42.f4 Nxf4 43.g3 d1=Q 44.Kg5 Qh5# 0-1 MfG, Tibono
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#6
24.10.2023, 08:45
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Re: The 64-cup
Good morning all,
round 3 for group 4 starts with Stadlbauer Maestro Schachprofessor vs H&G Mephisto 1-X. The first game is definitely balanced, a short one as the position after move 19 is repeated three times (announced by the brikett with a dot in the middle position in the display, whilst the Schachprofessor didn't announce it). The second game is much more interesting, the 1X playing as White commits a positional blunder that switches the game to the bad side for it.
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.23"] [Round "4-3"] [White "Stadlbauer Maestro Schachprofessor (lv h4)"] [Black "Mephisto I-X (lv a3)"] [Result "1/2-1/2"] [WhiteElo "1388"] [BlackElo "1345"] [EventDate "2023.09.26"] [ECO "C19"] [PlyCount "46"] 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qc7 8.Bb5+ {Out of book} 8...Nd7 9.Be3 cxd4 10.Bxd7+ Bxd7 11.cxd4 Rc8 12.Rb1 Nf5 13.O-O Ba4 14.Ne1 Nxe3 15.fxe3 O-O 16.Rf2 f5 17.exf6 Rxf6 18.Rxf6 gxf6 19.Qg4+ Kf7 20.Qh5+ Kg7 21.Qg4+ Kf7 22.Qh4 Kg7 23.Qg4+ Kf7 1/2-1/2 [Event "The 64-cup"] [Site "?"] [Date "2023.10.23"] [Round "4-3"] [White "Mephisto I-X (lv a3)"] [Black "Stadlbauer Maestro Schachprofessor (lv h4)"] [Result "0-1"] [WhiteElo "1345"] [BlackElo "1388"] [EventDate "2023.09.26"] [ECO "C42"] [PlyCount "128"] 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.Nc3 Nxc3 {Out of book} 7.dxc3 Bg4 8.Be3 {Out of book} 8...Be6 9.a4 Qd7 10.b3 d5 11.Ne5 Qc8 12.Qd2 Bd6 13.Bf4 O-O 14.Bd3 Nd7 15.Nxd7 Qxd7 16.O-O Rfe8 17.Rfe1 Bxf4 18.Qxf4 Bg4 19.f3 Be6 20.Qb4 c6 21.c4 a5 22.Qc5 d4 23.b4 axb4 24.Qxb4 Qe7 25.Rab1 Qxb4 26.Rxb4 Re7 27.c5 Rd8 28.Re4 Red7 29.Rh4 f5 30.Rh5 Rf8 31.a5 Rff7 32.Rh4 Rd5 33.Bc4 Re5 34.Rxd4 Bxc4 35.Rbxc4 Rfe7 36.Rd1 Re2 37.c3 Kf7 38.Rh4 h6 39.Rdd4 Ke6 40.Rhf4 Ra2 41.Ra4 Rc2 42.c4 $4 {disconnects the Rooks and loses control on the d file, which is the invasion road for the second Black Rook.} 42...Rd7 43.Ra1 g5 44.Re1+ Kf6 45.Rxf5+ Kxf5 46.Rf1 Rxc4 47.Kf2 Rd2+ 48.Kg3 Rcc2 49.Rg1 Ra2 50.h4 gxh4+ 51.Kxh4 Rxg2 52.Rxg2 Rxg2 53.Kh3 Rc2 54.Kh4 Rxc5 55.a6 bxa6 56.Kh5 Kf4+ 57.Kxh6 Rg5 58.Kh7 a5 59.Kh6 c5 60.Kh7 c4 61.Kh6 c3 62.Kh7 c2 63.Kh8 c1=Q 64.Kh7 Qh1# 0-1 MfG, Tibono
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#7
24.10.2023, 19:59
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Re: The 64-cup
Guten Abend Alle,
Odds are roughly 2/3 to 1/3 for the next clash, Novag Carnelian II vs VEB RFT Chess-Master Diamond + PM11. With 1.5 points to 0.5, the match outcome is 3/4 to 1/4, therefore a rather good score for the Carnelian II. But zooming into the games, the Carnelian II cannot much boast about this performance: - indeed it won as Black in the first game, but very early the Diamond clumsily tried to avoid an expected capture, sacrificying a Bishop for nothing; - and in the second game as White, after another mistake from the Diamond (and a very early one) it outrageously dominates the game, with a Rook and a Pawn material advantage roughly for 20 moves or so, just to deceptively draw the game with a three-rep.! And cherry on the cake, it announced it, therefore the program should have been aware before playing the drawing move... 
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.24"] [Round "4-3"] [White "VEB RFT Chess-Master Diamond + PM11 (lv 2)"] [Black "Novag Carnelian II (lv we4)"] [Result "0-1"] [WhiteElo "1304"] [BlackElo "1437"] [EventDate "2023.09.26"] [ECO "A43"] [PlyCount "90"] 1.d4 {No book} 1...c5 2.dxc5 e6 3.Be3 Nc6 {Out of book} 4.Nf3 Qa5+ 5.Nc3 Bxc5 6.Bxc5 Qxc5 7.e3 Nf6 8.Bb5 Qb4 9.Qc1 Ne4 10.a3 Qa5 11.b4 Nxb4 12.axb4 Qxb4 13.Bxd7+ $2 {just pushing back the capture of the c3 Knight; loosing additional material} 13...Bxd7 14.O-O Nxc3 15.Qa3 Qxa3 16.Rxa3 Ne2+ 17.Kh1 O-O 18.Rfa1 Rac8 19.Rxa7 Rxc2 20.Rxb7 Bc6 21.Rba7 Bd5 22.R7a3 h5 23.Ra7 f5 24.Ne5 g5 25.Re1 Rd8 26.Nf7 Rdc8 27.Nxg5 Rc1 28.Nf3 Bxf3 29.Ra1 Rxa1 30.Rxa1 Bd5 31.Re1 Kf7 32.Ra1 f4 33.Re1 f3 34.g3 e5 35.Ra1 e4 36.Re1 Rc2 37.Ra1 Ke6 38.Re1 Nc1 39.Rf1 Bc4 40.Re1 Nd3 41.Ra1 Nxf2+ 42.Kg1 Nh3+ 43.Kh1 Rg2 44.Ra6+ Bxa6 45.g4 Rg1# 0-1 [Event "The 64-cup"] [Site "?"] [Date "2023.10.24"] [Round "4-3"] [White "Novag Carnelian II (lv we4)"] [Black "VEB RFT Chess-Master Diamond + PM11 (lv 2)"] [Result "1/2-1/2"] [WhiteElo "1437"] [BlackElo "1304"] [EventDate "2023.09.26"] [ECO "D06"] [PlyCount "79"] 1.d4 Nf6 {No book} 2.c4 d5 3.cxd5 {Out of book} 3...Bf5 4.Qa4+ Bd7 5.Qb3 e6 $2 {Qc8 was much better} 6.Qxb7 Na6 7.dxe6 Bb4+ 8.Nc3 Bxe6 9.Qxa6 c5 10.Nf3 Bxc3+ 11.bxc3 cxd4 12.Nxd4 Qc7 13.Nb5 Qb6 14.Qxb6 axb6 15.Nc7+ Ke7 16.Nxa8 Rxa8 17.Bf4 Rxa2 18.Rxa2 Bxa2 19.h4 Nd5 20.Bd2 Nf6 21.f3 Nd5 22.e4 Nf6 23.Be3 Nd7 24.Bd3 Nc5 25.Kd2 Nxd3 26.Kxd3 b5 27.Bc5+ Kf6 28.g4 Bc4+ 29.Kd4 Ba2 30.g5+ Kg6 31.f4 Kh5 32.f5 Bc4 33.e5 Kg4 34.Ke4 h5 35.Rh2 Bb3 36.Bd4 Bc4 37.Rh1 Bb3 38.Rh2 Bc4 39.Rh1 Bb3 40.Rh2 {Carnelian II announces 3-rep} 1/2-1/2 MfG, Tibono
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| Folgende 3 Benutzer sagen Danke zu Tibono für den nützlichen Beitrag: | ||
#8
24.10.2023, 20:26
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AW: Re: The 64-cup
 Zitat von Tibono
- and in the second game as White, after another mistake from the Diamond (and a very early one) it outrageously dominates the game, with a Rook and a Pawn material advantage roughly for 20 moves or so, just to deceptively draw the game with a three-rep.! And cherry on the cake, it announced it, therefore the program should have been aware before playing the drawing move...
I noticed too this type of unnecessary drawing with the Carnelian II. The only explanation I can think of, is that the 3-time repetition detection routine stands loose from the position evaluation routine, so has no effect on the evaluation value?! Regards, Paul .
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Wenn ich mich irre, sollte es ein Horizont Wirkung sein 
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| Folgender Benutzer sagt Danke zu paulwise3 für den nützlichen Beitrag: | ||
Tibono (25.10.2023) | ||
#9
25.10.2023, 07:28
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Re: AW: Re: The 64-cup
Zitat von paulwise3
the 3-time repetition detection routine stands loose from the position evaluation routine
 .Cheers, Eric
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| Folgender Benutzer sagt Danke zu Tibono für den nützlichen Beitrag: | ||
paulwise3 (25.10.2023) | ||
#10
25.10.2023, 13:02
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Re: The 64-cup
hello all,
next match has been a rather exciting one; with the Mephisto Europa A giving sort of a lesson to the Tiger Grenadier, which can feel very lucky with a shared score. As far as hardware is concerned, it is a very modest 6301Y with 2 actual Mhz facing a powerful SH7034 @20Mhz (that's 13.7 times faster according to my estimation!) As often, the Grenadier chooses rather unusal openings, but funny enough is out of its book sooner than the Europa - and this is true in both games! During the first game as White, the small Morsch program plays better chess than the Donninger's one. I am not a strong player but I could immediately spot some odd moves from the Grenadier - no need for any deep analysis to tag them as questionable. The Grenadier only saves itself  thanks to a hasty Pawn promotion, the materialist Europa A allowed itself to be tempted with, neglecting a corridor mate threat. In the second game with opposite castlings, both devices prepare attacking the opponent King's corner, the Grenadier can push forward three linked Pawns whilst the Europa A is faster with one single storming Pawn the Grenadier failed to consider dangerous enough. As soon as move 34 the King of the Grenadier is disloged from its corner and threatened by no less than two Rooks, a Queen and two Bishops... that could have mate in 4. That's a bit deep for the Europa, so the fight will last much longer, nevertheless ending in a win for the small device. 
[Event "The 64-cup"]
[Site "?"] [Date "2023.10.25"] [Round "4-3"] [White "Mephisto Europa A (lv a3)"] [Black "Tiger Grenadier (tibono setting lv 15s avg)"] [Result "0-1"] [WhiteElo "1702"] [BlackElo "1855"] [EventDate "2023.09.26"] [ECO "A81"] [PlyCount "80"] 1.d4 f5 2.g3 e6 {Out of book} 3.Bg2 Nc6 4.Nc3 {Out of book} 4...Nf6 5.Bg5 Be7 6.Nf3 O-O 7.O-O d5 8.Qd2 Ne4 9.Nxe4 fxe4 10.Bxe7 Qxe7 11.Ne5 Nxe5 12.dxe5 Rf5 13.Qc3 c5 14.f4 Bd7 15.Qb3 b5 16.Rad1 Raf8 17.Rd2 a5 18.Rfd1 a4 19.Qc3 b4 20.Qe3 Bb5 21.a3 Bc4 $6 {obviously an odd move from a human POV!} 22.axb4 cxb4 23.b3 axb3 24.cxb3 Bb5 25.Qb6 e3 26.Ra2 Bd7 27.Qxe3 R5f7 28.Ra7 Kh8 29.Qd4 Qe8 30.e4 Bb5 31.exd5 Rxa7 32.Qxa7 Qh5 $6 {again a strange choice. Why move this Queen away from the fight on Queen side?} 33.Rc1 Be2 34.dxe6 Qg6 35.e7 Rg8 36.Qb7 $6 {Bd5 would have increased pressure} 36...Qd3 37.Qc6 Bd1 38.e8=Q $4 {ignores the corridor mate threat. h3 or h4 would have unlocked the King; or RxB simplification was another way to prevent the mate.} 38...Qe3+ $1 {Grenadier announces mate in 4!} 39.Kh1 ( 39.Kf1 Be2+ 40.Ke1 Bc4+ 41.Kd1 Qe2# ) 39...Qe1+ 40.Bf1 Qxf1# 0-1 [Event "The 64-cup"] [Site "?"] [Date "2023.10.25"] [Round "4-3"] [White "Tiger Grenadier (tibono setting lv 15s avg)"] [Black "Mephisto Europa A (lv a3)"] [Result "0-1"] [WhiteElo "1855"] [BlackElo "1702"] [EventDate "2023.09.26"] [ECO "D00"] [PlyCount "140"] 1.d4 d5 2.Bg5 Nf6 3.Nd2 {Out of book} 3...Nc6 4.Ngf3 Ne4 5.c3 Nxg5 {Out of book} 6.Nxg5 e5 7.Ngf3 e4 8.Ng1 Bg4 9.Qa4 Be7 10.h3 Bd7 11.O-O-O O-O 12.Qb3 Bc8 13.e3 Re8 14.Kb1 Qd7 15.g4 Bh4 16.Rh2 Bf6 17.Rg2 Na5 18.Qc2 Bg5 19.Be2 Qc6 20.Nb3 Nxb3 21.Qxb3 Bd7 22.f4 Be7 23.f5 a5 24.Rf1 a4 25.Qc2 a3 26.Qb3 $2 {b3 or b4 was much more secure} 26...axb2 27.Qxb2 Ra3 28.Rc1 Rea8 29.c4 $2 {Bd1 would have enabled additional support from the g2 Rook} 29...Rxa2 30.Qb3 R2a4 31.c5 Ra3 32.Qd1 $6 {even if the game is already lost, again an odd move (moves the Queen too far away from the immediate fight).} 32...Ra1+ 33.Kb2 R8a2+ 34.Kc3 {Grenadier announces: Black can mate in 4} 34...Qa4 $6 {Bxc5! was the correct move} ( 34...Bxc5 35.Bc4 Bb4+ 36.Kxb4 Qb6+ 37.Kc3 Qa5+ 38.Kb3 Ba4# ) 35.Qxa4 Rxc1+ 36.Kb3 Rxa4 37.h4 Rca1 38.g5 Bxf5 39.Kb2 R4a2+ 40.Kb3 Rxg1 41.Rxg1 Rxe2 42.Rg3 Rh2 43.Kc3 Rxh4 44.Rg1 Bc8 45.Ra1 Bf8 46.Ra8 Bg4 47.Rb8 Rh3 48.Kd2 Rh2+ 49.Kc1 Ra2 50.Rxb7 c6 51.Rc7 Re2 52.Rxc6 Rxe3 53.Rc7 Rd3 54.Kb1 Rxd4 55.g6 hxg6 56.Kb2 Rc4 57.Rb7 g5 58.Rb8 Rxc5 59.Re8 f5 60.Rb8 d4 61.Rd8 d3 62.Rd4 Rc2+ 63.Kb3 Bd1 64.Rd8 Rc8+ $1 65.Ka2 Rxd8 66.Kb2 d2 67.Ka2 {Grenadier announces: Black can mate in 4} 67...Rb8 68.Ka1 Be2 69.Ka2 Bc4+ 70.Ka1 d1=Q# 0-1 MfG, Tibono
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