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Gothic Vortex -- An 80-bit Gothic Chess EngineA computer program . Missing description[All Comments] [Add Comment or Rating]
Dan Kelly wrote on Tue, Sep 5, 2006 07:51 AM UTC:Excellent ★★★★★
Very kewl looking pieces you got there! I don't understand a thing past move 13 of that game there. Way too complicated for me. Does the Vortex program play Janus Chess at all? That's my game! Very nice site by the way have to give ya credit for that.

💡📝Ed Trice wrote on Tue, Sep 5, 2006 03:25 AM UTC:
The player on http://www.GothicChessLive.com known as M_TAL has always been
a very tough opponent. He is George Tsavadaris from Thessaloniki, Greece.
George is not only a 'regular chess' enthusiast, he is a strong
'anti-computer' player, in chess and Gothic Chess. Over the past 3
years, he has given me sample games where he has been able to defeat
Gothic Vortex. Today, though a bit rusty, he was finally overwhelemed by
Vortex. While I am sure he will be back strong, here is that game, played
at G/30 + 15:

http://www.gothicchesslive.com/javascript/game.php?gameid=1614

1.Nh3 h6 2.g3 d5 3.d4 g6 4.Nc3 c6 5.Bg2 Nj6 6.f3 Na6 7.g4 Ah7 8.g5 h5
9.Bf4 f6 10.e4 Nc7 11.Qd2 f5 12.exd5 cxd5 13.Af2 Bg7 14.j4 Ne6 15.Ni5 Ai8
16.Be5 Kf7 17.O-O Ni4 18.Ah4 Ch8 19.f4 j6 20.Nj3 i5 21.Af2 ixj4 22.h3 Ci6
23.hxi4 hxi4 24.Nh4 Ci7 25.Bf3 Bi5 26.Ae3 j3 27.Cf1 j5 28.Ni6 j4 29.Rh8
Cj5 30.Rxd8 Nxd8 31.Ch1 Aj6 32.ixj3 Ri8 33.Ag2 Bf8 34.Bh8 Ai5 35.Axi4 Cj7
36.Nxd5 Be6 37.Nc7 Rc8 38.Nxe6 Nxe6 39.Qd3 Ke8 40.Qb5+ Rc6 41.Bxc6+ bxc6
42.Qxc6+ Kf7 43.Re1 Nxf4 44.Qf3 Ag4 45.Qb3+ Ke8 46.Qb5+ Kf7 47.Qb3+ Ke8
48.Qb5+ Kf7 49.Qc4+ Ke8 50.Qc6+ Kf7 51.Rf1 Axi6 52.Axg6+ Kg8 53.Bi7 Rxi7
54.Ch6+ Cxh6 55.Axi7+ Kf7 56.gxh6 Ah4 57.Rf3 Ng6 58.h7 e6 59.Rh3 Bd6+
60.Qxd6 Ag2+ 61.Kh2 Af1+ 62.Kh1 Axh3 63.Ah6+ Ke8 64.Ag7+ Kf7 65.Qc7+ Ne7
66.h8=C+ Kxg7 67.Qe5# 1-0

💡📝Ed Trice wrote on Sun, Sep 3, 2006 02:50 AM UTC:Excellent ★★★★★
Gothic Vortex defeats the SMIRF engine, 6-0.

http://www.gothicchesslive.com/javascript/game.php?gameid=1600

[Event 'Gothic Chess match']
[Site 'http://www.GothicChessLive.com']
[Date '2006.08.27']
[Time '14:20:58']
[Control 'G/30 + 15']
[Round '1']
[White 'SMIRF MS-163g (Beta)']
[Black 'Gothic Vortex 1.4.1 e']
[Result '0-1']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1'] 

1.g3  g6 2.Nh3  d5 3.Nc3  c6 4.d4  Nh6 5.Bf4  Na6 6.a4  e5 7.dxe5  Bxe5
8.Bxe5  Cxe5 9.e4  d4 10.Ne2  Bxh3+ 11.Axh3  Ng4 12.Kg1  Ah6 13.Nxd4  Ni5
14.Af4  Axf4 15.gxf4  Cd7 16.Nxc6  bxc6 17.j4  Cxd1 18.Rxd1  Qh4 19.jxi5 
Qxf4 20.Cf3  Qg4+ 21.Kf1  O-O 22.h3  Qh5 23.Cc3  i6 24.Rd6  Nb4 25.Cc4 
Rab8 26.c3  Na2 27.Rxc6  Nc1 28.Cd2  Rhd8 29.Rd6  Rxd6 30.Cxd6  Qe2+
31.Kg1  Qe1+ 32.Kg2  Rf8 33.i3  Ne2 34.Cd7  Nf4+ 35.Kf3  Ne6 36.Cf6  Ng5+
37.Kg2  Nxe4 38.Cf3  Qe2 39.Cf4  Qc2 40.Rj4  f5 41.Kg1  g5 42.Cf3  Rf6
43.Ch2  Qxb2 44.Bxe4  fxe4 45.Cg4  Qc1+ 46.Kh2  Rf8 47.Cxe4  Qf1 48.f4 
Rb8 49.Cd2  Qc1 50.Cf3  Rb2+ 51.Kg3  Qi1+ 52.Kg4  Rg2+ 53.Kf5  Qb1+ 54.Ke5
 Re2+ 55.Kd6  Qb6+ 56.Kd5  Qb7+ 57.Kc4  Qc6+ 58.Kd4  Qxf3 59.Rg4  Rd2+
60.Ke5  Qe3+ 61.Kf5  Qc5+ 62.Kf6  Rd6+ 63.Kg7  Qc7+ 64.Kg8  Rd8# 0-1

http://www.gothicchesslive.com/javascript/game.php?gameid=1602

[Event 'Gothic Chess match']
[Site 'http://www.GothicChessLive.com']
[Date '2006.08.27']
[Time '15:54:32']
[Control 'G/60 + 15']
[Round '2']
[White 'Gothic Vortex 1.4.1 e']
[Black 'SMIRF MS-163g (Beta)']
[Result '1-0']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1'] 

1.c4  g6 2.Nh3  Nh6 3.i3  c5 4.Nc3  d6 5.Bi2  Bxc3 6.dxc3  Nc6 7.Bf4  f6
8.b3  Af7 9.Qc2  O-O 10.Bj3  e5 11.Bd2  Be6 12.Ai2  a6 13.O-O  b5 14.cxb5 
axb5 15.Qe4  d5 16.Qj4  d4 17.Ah4  Cd6 18.Cd1  Ra7 19.Cg1  c4 20.Ni5  Rg8
21.Nxj7  Nxj7 22.Bxi7  Kxi7 23.Aj6+  Kj8 24.Axh7+  Ki7 25.Aj5+  Kh8
26.Ai6+  Ki7 27.Qxj7+  Kh6 28.Qh7+  Ki5 29.Ah4# 1-0

http://www.gothicchesslive.com/javascript/game.php?gameid=1604

[Event 'Gothic Chess match']
[Site 'http://www.GothicChessLive.com']
[Date '2006.08.28']
[Time '18:03:26']
[Control 'G/30 + 15']
[Round '3']
[White 'Gothic Vortex 1.4.1 e']
[Black 'SMIRF MS-163h (Beta)']
[Result '1-0']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1']

1.d4  Nh6 2.Nh3  g6 3.g3  d6 4.Nc3  Na6 5.Bf4  c5 6.dxc5  Bxc3 7.bxc3 
Nxc5 8.Bd5  Cc7 9.Qd2  Be6 10.c4  Bxd5 11.cxd5  Ne4 12.Qd3  Af6 13.c4  Cc5
14.Qe3  O-O 15.f3  Cxc4 16.Qd3  Cb4 17.fxe4  Axe4 18.Qxe4  Cxe4 19.Af3  Ca4
20.O-O  Rc8 21.Cg2  Qf8 22.Ci3  Ng8 23.Ni5  h5 24.Ah4  Rh6 25.Bxh6  Qxh6
26.Aj5  Cc3 27.Raf1  j6 28.Rxf7  jxi5 29.Cxi5  Qxi5 30.Ah7+  Kj7 31.Axi5+ 
Ki8 32.Axg6+  Kj7 33.Axh5+  Kj8 34.Ai6+  Ki8 35.Ah7+  Kj7 36.Rf4  i5
37.Axi5+  Ki6 38.Aj4+ 1-0


http://www.gothicchesslive.com/javascript/game.php?gameid=1607

[Event 'Gothic Chess match']
[Site 'http://www.GothicChessLive.com']
[Date '2006.08.30']
[Time '14:43:41']
[Control 'G/60 + 20']
[White 'SMIRF MS-163h (Beta)']
[Black 'Gothic Vortex 1.4.1 e']
[Result '0-1']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1']

1.Nh3 d6 2.g3 Nc6 3.Bxc6 bxc6 4.c4 h6 5.Nc3 g5 6.d4 Aj5 7.f3 g4 8.fxg4
Bxg4 9.j4 Qd7 10.Rj3 Bh5 11.Rj1 Bi4 12.Kg2 Nj6 13.Bf4 e5 14.dxe5 Bxe5
15.Cf3 Bxf4 16.Cxf4 Nh5 17.Cf3 O-O 18.Qd3+ Ah7 19.Qd4 Nj6 20.Af2 Ce6
21.Qd2 Ag5 22.Qd3+ Cg6 23.Rad1 Rh7 24.Cd4 Nh5 25.Qf3 Ce5 26.Kh1 Bxh3
27.Axh3 Axh3 28.ixh3 Cxf3 29.exf3 Nxg3+ 30.hxg3 Qxh3+ 31.Ki1 Qxg3+ 32.Ki2
Qf2+ 33.Kj3 Qxb2 34.Ce2 Qb4 35.Rd4 Qc5 36.Rh1 Rg8 37.Ri4 i6 38.Ce4 Qf5
39.Rf4 Qg6+ 40.Ki2 f5 41.Ce3 h5 42.Nd1 h4 43.Rfxh4 Rgh8 44.Rxh7 Qi4+
45.Kj2 Qxj4+ 46.Ki2 Qi4+ 47.Kj2 Rxh7 48.Rxh7 Qj4+ 49.Ki2 Qi5+ 50.Kh1 Kxh7
51.Ce7+ Qg7 52.Cxf5 Qh8 53.Ch4+ Kg7 54.Cxh8 Kxh8 55.Ne3 Kh7 56.Nf5 j5
57.Ne7 d5 58.cxd5 c5 59.Ki2 c4 60.Nc6 c3 61.Nd4 i5 62.f4 Kh6 63.Kj3 Kh5
64.Ki3 Kg4 65.Kj2 a6 66.a4 Kh4 67.Nf5+ Kh5 68.Nd4 i4 69.Ki3 Ki5 70.Kh2 j4
71.f5 Kh6 72.a5 Kg5 73.Kh1 Kf6 74.Ne2 c2 75.Ki1 Ke5 76.Kh1 Kxd5 77.f6 Kd6
78.Kh2 c5 79.f7 Ke7 80.f8=C Kxf8 81.Nc1 Ke7 82.Ki2 Kd6 83.Kh1 Kd5 84.Nd3
Kd4 85.Nc1 Kc3 86.Kg2 c4 87.Kh2 Kb2 88.Ne2 c1=C 89.Nxc1 Kxc1 90.Kg3 c3
91.Kh4 c2 92.Kxi4 Kb2 93.Kxj4 Kc3 94.Ki5 Kd3 95.Kh6 Ke4 96.Kg7 Kf5 97.Kf7
c1=Q 98.Kg7 Qi7+ 99.Kf8 Kf6 100.Kg8 Qg7#

http://www.gothicchesslive.com/javascript/game.php?gameid=1609

[Event 'Gothic Chess game']
[Site 'http://www.GothicChessLive.com']
[Date '2006.09.01']
[Time '18:16:37']
[Control 'G/45 + 20']
[White 'SMIRF MS-163i (Beta)']
[Black 'Gothic Vortex 1.4.1 f']
[Result '0-1']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1']

1.Nh3  g6 2.c3  d5 3.d3  Nh6 4.g3  Nc6 5.Na3  Bf5 6.c4  dxc4 7.Bxc6  bxc6
8.Nxc4  Bd4 9.Qa4  Qd7 10.Qc2  f6 11.Be3  Ae6 12.Bxh6+  ixh6 13.Kg2  Ri8
14.e3  Rxi2 15.Nf4  Ag5 16.exd4  Ri4 17.h4  Axf4+ 18.gxf4  Bxj1 19.Qe2 
Bg4 20.f3  Ri2+ 21.Axi2  Bxi2 22.Kh2  Cg7 23.Cg2  Ci6 24.Ri1  Cj4 25.Kg1 
Qxd4+ 26.Ne3  Bh3 27.Cf2  Qxf4 28.Ri3  Qg3+ 29.Kh1  Cxh4 30.Ch2  O-O-O
31.Nf1  Ch5 32.Nxg3  Cxg3+ 33.Ki1  Cg1+ 34.Ch1  Cxe2 35.Rxh3  Rxd3 36.Rxh6
 Cg2+ 37.Kj1  Cxb2 38.Rh2  Rd2 39.Rxd2  Cxd2 40.Cxh7  Cf1+ 41.Ki2  Cg1+
0-1

http://www.gothicchesslive.com/javascript/game.php?gameid=1610

[Event 'Gothic Chess game']
[Site 'http://www.GothicChessLive.com']
[Date '2006.09.02']
[Time '16:32:50']
[Control 'G/30 + 20']
[Round '3']
[White 'Gothic Vortex 1.4.1 f']
[Black 'SMIRF MS-163j (Beta)']
[Result '1-0']
[SetUp '1']
[FEN 'rnbqckabnr/pppppppppp/10/10/10/10/PPPPPPPPPP/RNBQCKABNR w KQkq - 0
1']

1.d4  Nh6 2.Nh3  Nc6 3.g3  j6 4.Nc3  g6 5.d5  Ne5 6.Be4  f5 7.Bg2  c6
8.Bf4  Nc4 9.Qc1  Qb6 10.Nd1  Bxb2 11.Nxb2  Qxb2 12.Qxb2  Nxb2 13.Af3  Nc4
14.O-O  Af6 15.Cd3  Ab2 16.Cxb2  Nxb2 17.Ad2  Ng8 18.Be5  Ri8 19.Ag5  Nf6
20.Bxb2  h6 21.Ai4  Kf7 22.Nf4  Rg8 23.Rhd1  c5 24.d6  e6 25.Aj5  Rg7
26.Ah4  i5 27.Af3  Ng4 28.h3  Nxf2 29.Bxg7  Cxg7 30.Ae5+  Kg8 31.h4  Nxd1
32.Bj5+  Kf8 33.Nxg6+  Cxg6 34.Axg6+  Kg7 35.Ai8+  Kf6 36.Axj6  Kf7
37.Ah5+  Kf8 38.hxi5  hxi5 39.Rxd1  b5 40.Rh1  f4 41.Ag6+  Kg7 42.Ae5+ 
Kf8 43.Rh8# 1-0

💡📝Ed Trice wrote on Thu, Aug 31, 2006 06:17 PM UTC:
Staff, 

On this page of your website:

http://www.chessvariants.org/link2.dir/gothic_vortex.html

Could you please change the link:

http://www.gothicchess.org/gv_release.html

to:

http://www.gothicchess.com/gv_release.html

And as a general note: Our site is on '.com' now and now '.org'

Thanks.

💡📝Ed Trice wrote on Thu, Aug 31, 2006 06:16 PM UTC:
[comment replaced above]

💡📝Ed Trice wrote on Thu, Aug 31, 2006 06:06 PM UTC:
Here is a link to a page with some of the more interesting endgame database
positions that have been 'mined' so far. The reason Gothic Vortex is so
strong in the endgame is that these positions, when encountered during the
search, are fed back down the game tree. 

http://www.gothicchess.com/javascript_endings.html

So, Vortex can see that 'Mate in 268' position from a distance if it is
playing in a Queen + Pawn endgame. In the case with SMIRF, it saw a very
long win for 2 pawns over a Knight, even when the material on the board
was 6 pawns for black and 1 Knight + 3 pawns for white.

cv editor wrote on Thu, Aug 31, 2006 01:52 PM UTC:

Ed Trice writes about a game of Vortex vs. SMIRF

Vortex had an opening advantage against SMIRF, which it consolidated into a few pawns worth of material by the middlegame. As the early endgame approached, this advantage was significant.

But what was strange was that Vortex traded this advantage almost completely away, while announcing mate in 143!

I could not believe this, and I think Reinhard could not believe this either. Vortex had only pawns in the end, and SMIRF had a Knight + fewer pawns, yet Vortex did win a very long checkmate!

This is one 'problem' with very large endgame tablebases. The program will throw away material, in this case about 4 pawns worth, in order to announce 'mate in X.'

It may be that Vortex could have mated sooner by holding onto the material, but the nominal depth was nowhere near this, while the endgame mates could not be avoided.

Here is the game link and the game:

http://www.gothicchesslive.com/javascript/game.php?gameid=1607

BetaSmirf - GothicVortex

0-1

1.Nh3 d6 2.g3 Nc6 3.Bxc6 bxc6 4.c4 h6 5.Nc3 g5 6.d4 Aj5 7.f3 g4 8.fxg4 Bxg4 9.j4 Qd7 10.Rj3 Bh5 11.Rj1 Bi4 12.Kg2 Nj6 13.Bf4 e5 14.dxe5 Bxe5 15.Cf3 Bxf4 16.Cxf4 Nh5 17.Cf3 O-O 18.Qd3+ Ah7 19.Qd4 Nj6 20.Af2 Ce6 21.Qd2 Ag5 22.Qd3+ Cg6 23.Rad1 Rh7 24.Cd4 Nh5 25.Qf3 Ce5 26.Kh1 Bxh3 27.Axh3 Axh3 28.ixh3 Cxf3 29.exf3 Nxg3+ 30.hxg3 Qxh3+ 31.Ki1 Qxg3+ 32.Ki2 Qf2+ 33.Kj3 Qxb2 34.Ce2 Qb4 35.Rd4 Qc5 36.Rh1 Rg8 37.Ri4 i6 38.Ce4 Qf5 39.Rf4 Qg6+ 40.Ki2 f5 41.Ce3 h5 42.Nd1 h4 43.Rfxh4 Rgh8 44.Rxh7 Qi4+ 45.Kj2 Qxj4+ 46.Ki2 Qi4+ 47.Kj2 Rxh7 48.Rxh7 Qj4+ 49.Ki2 Qi5+ 50.Kh1 Kxh7 51.Ce7+ Qg7 52.Cxf5 Qh8 53.Ch4+ Kg7 54.Cxh8 Kxh8 55.Ne3 Kh7 56.Nf5 j5 57.Ne7 d5 58.cxd5 c5 59.Ki2 c4 60.Nc6 c3 61.Nd4 i5 62.f4 Kh6 63.Kj3 Kh5 64.Ki3 Kg4 65.Kj2 a6 66.a4 Kh4 67.Nf5+ Kh5 68.Nd4 i4 69.Ki3 Ki5 70.Kh2 j4 71.f5 Kh6 72.a5 Kg5 73.Kh1 Kf6 74.Ne2 c2 75.Ki1 Ke5 76.Kh1 Kxd5 77.f6 Kd6 78.Kh2 c5 79.f7 Ke7 80.f8=C Kxf8 81.Nc1 Ke7 82.Ki2 Kd6 83.Kh1 Kd5 84.Nd3 Kd4 85.Nc1 Kc3 86.Kg2 c4 87.Kh2 Kb2 88.Ne2 c1=C 89.Nxc1 Kxc1 90.Kg3 c3 91.Kh4 c2 92.Kxi4 Kb2 93.Kxj4 Kc3 94.Ki5 Kd3 95.Kh6 Ke4 96.Kg7 Kf5 97.Kf7 c1=Q 98.Kg7 Qi7+ 99.Kf8 Kf6 100.Kg8 Qg7#


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