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'''[[Main Page|Home]] * [[Tournaments and Matches|Tournaments]] * [[Dutch Open Computer Chess Championship]] * DOCCC 2000'''
'''[[DOCCC 1999|< Prev]] [[DOCCC 2001|Next >]]'''
The '''20th Dutch Open Computer Chess Championship''' took place at [http://www.denksportcentrumleiden.nl/ Denksportcentrum] [https://en.wikipedia.org/wiki/Leiden Leiden]. It was an eleven round [https://en.wikipedia.org/wiki/Swiss-system_tournament swiss tournament] at two consecutive week ends, October 14-15 and 21-22, [[Timeline#2000|2000]].
=Final Standing=
<ref>[http://www.csvn.nl/index.php/historie/n-k-computerschaak/45-2000 ONK 2000] [[CSVN]] site</ref>
{| class="wikitable"
|-
! #
! Program
! CC
! 1
! 2
! 3
! 4
! 5
! 6
! 7
! 8
! 9
! 10
! 11
! P
! SOS
! SoDOS
|-
! 1
| style="text-align:left;" | [[Chess Tiger]]
! FR
| style="text-align:right;" | 13b1
| style="text-align:right;" | 4w1
| style="text-align:right;" | 3b½
| style="text-align:right;" | 10w1
| style="text-align:right;" | 8b1
| style="text-align:right;" | 2w1
| style="text-align:right;" | 5b½
| style="text-align:right;" | 7w1
| style="text-align:right;" | 6w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 12w1
! 10
| style="text-align:center;" | 63
| style="text-align:center;" | 55½
|-
! 2
| style="text-align:left;" | [[The King]]
! NL
| style="text-align:right;" | 7b1
| style="text-align:right;" | 9w½
| style="text-align:right;" | 10b½
| style="text-align:right;" | 4w1
| style="text-align:right;" | 3b½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 8w1
| style="text-align:right;" | 5w1
| style="text-align:right;" | 12b1
| style="text-align:right;" | 13b1
| style="text-align:right;" | 11w1
! 8½
| style="text-align:center;" | 61
| style="text-align:center;" | 42¼
|-
! 3
| style="text-align:left;" | [[Quest]]
! NL
| style="text-align:right;" | 8w1
| style="text-align:right;" | 6b1
| style="text-align:right;" | 1w½
| style="text-align:right;" | 5b1
| style="text-align:right;" | 2w½
| style="text-align:right;" | 9b1
| style="text-align:right;" | 10w1
| style="text-align:right;" | 4b0
| style="text-align:right;" | 7b0
| style="text-align:right;" | 12w1
| style="text-align:right;" | 14w1
! 8
| style="text-align:center;" | 63½
| style="text-align:center;" | 41¼
|-
! 4
| style="text-align:left;" | [[Nimzo|Nimzo 8]]
! AT
| style="text-align:right;" | 11w1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 6w½
| style="text-align:right;" | 13b1
| style="text-align:right;" | 3w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 7w1
| style="text-align:right;" | 5b0
! 7
| style="text-align:center;" | 63
| style="text-align:center;" | 31½
|-
! 5
| style="text-align:left;" | [[Patzer]]
! DE
| style="text-align:right;" | 10b½
| style="text-align:right;" | 12w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 3w0
| style="text-align:right;" | 6w½
| style="text-align:right;" | 7b½
| style="text-align:right;" | 1w½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 11w1
| style="text-align:right;" | 4w1
! 7
| style="text-align:center;" | 62
| style="text-align:center;" | 32
|-
! 6
| style="text-align:left;" | [[Kallisto|Kallisto II-X]]
! NL
| style="text-align:right;" | 12w1
| style="text-align:right;" | 3w0
| style="text-align:right;" | 7b½
| style="text-align:right;" | 9w½
| style="text-align:right;" | 5b½
| style="text-align:right;" | 4b½
| style="text-align:right;" | 11w½
| style="text-align:right;" | 13w1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 8w1
! 6½
| style="text-align:center;" | 57½
| style="text-align:center;" | 25½
|-
! 7
| style="text-align:left;" | [[Tao]]
! NL
| style="text-align:right;" | 2w0
| style="text-align:right;" | 11b1
| style="text-align:right;" | 6w½
| style="text-align:right;" | 8b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 5w½
| style="text-align:right;" | 14b1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 3w1
| style="text-align:right;" | 4b0
| style="text-align:right;" | 10w1
! 6
| style="text-align:center;" | 63½
| style="text-align:center;" | 25¾
|-
! 8
| style="text-align:left;" | [[Ant]]
! NL
| style="text-align:right;" | 3b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 4b½
| style="text-align:right;" | 7w1
| style="text-align:right;" | 1w0
| style="text-align:right;" | 12b½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14w1
| style="text-align:right;" | 11b½
| style="text-align:right;" | 10w1
| style="text-align:right;" | 6b0
! 5½
| style="text-align:center;" | 59½
| style="text-align:center;" | 20¼
|-
! 9
| style="text-align:left;" | [[Diep]]
! NL
| style="text-align:right;" | 14w1
| style="text-align:right;" | 2b½
| style="text-align:right;" | 5w0
| style="text-align:right;" | 6b½
| style="text-align:right;" | 10b½
| style="text-align:right;" | 3w0
| style="text-align:right;" | 12w1
| style="text-align:right;" | 11b1
| style="text-align:right;" | 4w0
| style="text-align:right;" | 1w0
| style="text-align:right;" | 13b½
! 5
| style="text-align:center;" | 60½
| style="text-align:center;" | 17½
|-
! 10
| style="text-align:left;" | [[XiniX]]
! NL
| style="text-align:right;" | 5w½
| style="text-align:right;" | 14b1
| style="text-align:right;" | 2w½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 9w½
| style="text-align:right;" | 11w1
| style="text-align:right;" | 3b0
| style="text-align:right;" | 12b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 8b0
| style="text-align:right;" | 7b0
! 4½
| style="text-align:center;" | 59
| style="text-align:center;" | 16¾
|-
! 11
| style="text-align:left;" | [[McTobber|McTobber 00]]
! NL
| style="text-align:right;" | 4b0
| style="text-align:right;" | 7w0
| style="text-align:right;" | 13b½
| style="text-align:right;" | 14w½
| style="text-align:right;" | 12w1
| style="text-align:right;" | 10b0
| style="text-align:right;" | 6b½
| style="text-align:right;" | 9w0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 5b0
| style="text-align:right;" | 2b0
! 3
| style="text-align:center;" | 56
| style="text-align:center;" | 10¼
|-
! 12
| style="text-align:left;" | [[Duck|Duck 1992]]
! NL
| style="text-align:right;" | 6b0
| style="text-align:right;" | 5b0
| style="text-align:right;" | 14w1
| style="text-align:right;" | 13w0
| style="text-align:right;" | 11b0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 9b0
| style="text-align:right;" | 10w1
| style="text-align:right;" | 2w0
| style="text-align:right;" | 3b0
| style="text-align:right;" | 1b0
! 2½
| style="text-align:center;" | 61½
| style="text-align:center;" | 8¼
|-
! 13
| style="text-align:left;" | [[Goldbar|Goldbar 2000]]
! NL
| style="text-align:right;" | 1w0
| style="text-align:right;" | 8b0
| style="text-align:right;" | 11w½
| style="text-align:right;" | 12b1
| style="text-align:right;" | 7b0
| style="text-align:right;" | 14w½
| style="text-align:right;" | 4w0
| style="text-align:right;" | 6b0
| style="text-align:right;" | 10b0
| style="text-align:right;" | 2w0
| style="text-align:right;" | 9w½
! 2½
| style="text-align:center;" | 59½
| style="text-align:center;" | 7
|-
! 14
| style="text-align:left;" | [[Morphy NL|Morphy 3.2]]
! NL
| style="text-align:right;" | 9b0
| style="text-align:right;" | 10w0
| style="text-align:right;" | 12b0
| style="text-align:right;" | 11b½
| style="text-align:right;" | 4w0
| style="text-align:right;" | 13b½
| style="text-align:right;" | 7w0
| style="text-align:right;" | 8b0
| style="text-align:right;" | 5w0
| style="text-align:right;" | 6w0
| style="text-align:right;" | 3b0
! 1
| style="text-align:center;" | 57½
| style="text-align:center;" | 2¾
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
* SOS: [https://en.wikipedia.org/wiki/Buchholz_system Sum of Opponent Scores]
* SoDOS: [https://en.wikipedia.org/wiki/Neustadtl_score Sum of Defeated Opponent Scores]
=Photos=
<ref>Photo courtesy [[Joost Buijs]], July 24, 2015</ref>
==Theo==
[[FILE:theo2000.jpg|none|border|text-bottom]]
Tournament Director [[Theo van der Storm]]
==Duck - Ant==
[[FILE:DuckAnt2000.jpg|none|border|text-bottom]]
[[Duck]] vs. [[Ant]], [[Dennis Breuker]], [[Gijsbert Wiesenekker]], [[Albrecht Heeffer]] (back), [[Tom Vijlbrief]] and [[Hans Secelle]]
==GoldBar - Morphy==
[[FILE:GoldBarMorphy2000.jpg|none|border|text-bottom]]
[[Goldbar|Goldbar 2000]] vs. [[Morphy NL|Morphy 3.2]], [[Bart Goldhoorn]] and [[Eric Walstra]]
==Tao - Patzer==
[[FILE:TaoPatzer2000.jpg|none|border|text-bottom]]
[[Tao]] vs. [[Patzer]], [[Bas Hamstra]], [[Frank Quisinsky]] and [[Roland Pfister]]
==XiniX - McTobber==
[[FILE:XinixMcTobber2000.jpg|none|border|text-bottom]]
[[XiniX]] vs. [[McTobber|McTobber 00]], [[Tony van Roon-Werten|Tony van Werten]], [[Walter Ravenek]] and [[Wim van Beusekom]]
==Winners==
[[FILE:doccc2000prijs.jpg|none|border|text-bottom|640px|link=http://old.csvn.nl/csvnp25.html]]
Winners: [[Johan de Koning]] (2nd), [[Jeroen Noomen]] (1st), [[Frans Morsch]] (3rd) <ref>Photo from [http://old.csvn.nl/csvnp25.html ONK 2000 te Leiden]</ref>
=Selected Games=
==Round 5==
Round 5, [[Chess Tiger]] - [[The King]]
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.15"]
[Round "06"]
[White "Chess Tiger"]
[Black "The King"]
[Result "1-0"]
1.d4 d5 2.c4 Bf5 3.cxd5 Bxb1 4.Qa4+ c6 5.dxc6 Nxc6 6.Rxb1 e5 7.Bd2 Qxd4 8.Qxd4 exd4
9.g3 Bb4 10.Bxb4 Nxb4 11.Bg2 Ne7 12.Bxb7 Rb8 13.Be4 f5 14.Bd3 Nxa2 15.Nf3 Nb4
16.Bc4 Nec6 17.O-O Ke7 18.Rfd1 Rhd8 19.Ra1 Kf6 20.h3 g5 21.g4 Rb6 22.Rd2 fxg4
23.hxg4 Rb7 24.Kg2 Re7 25.Kg3 Rc7 26.Bb5 Rd6 27.Rh1 Kg6 28.Rc1 Re7 29.Rc4 a6
30.Ba4 a5 31.Bb5 Kf6 32.Rc5 h6 33.Rd1 Kg7 34.b3 Kh7 35.Rdc1 Ree6 36.Ra1 Kg7
37.Rh1 Kf8 38.Rhc1 Ke7 39.R1c4 Kf6 40.Rf5+ Kg7 41.Rcc5 Rf6 42.Bc4 Rd7 43.Rxf6 Kxf6
44.Rf5+ Kg7 45.Ne5 Nxe5 46.Rxe5 Ra7 47.Kf3 Ra8 48.Ke4 Rf8 49.Re7+ Kh8 50.Rf7 Rd8
51.f3 Rd6 52.Rc7 Nc6 53.Bb5 Nb4 54.Ra7 d3 55.exd3 Re6+ 56.Kf5 Rd6 57.Rxa5 Nxd3
58.Bxd3 Rxd3 59.Rb5 Rc3 60.b4 Kg7 61.Rb7+ Kf8 62.b5 Rxf3+ 63.Kg6 Ke8 64.Kxh6 Rb3
65.Kxg5 Kd8 66.Kf6 Kc8 67.Ra7 Rf3+ 68.Kg6 Rb3 69.g5 Rxb5 70.Kf6 Rb6+ 1-0
</pre>
==Round 9==
Round 9, [[Tao]] - [[Quest]] <ref>[https://www.stmintz.com/ccc/index.php?id=134675 Tao 4.3 (won against Quest, Dutch-ch 2000) is available !] by [[Frank Quisinsky]], [[CCC]], October 23, 2000</ref>
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.21"]
[Round "09"]
[White "Tao"]
[Black "Quest"]
[Result "1-0"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.Bxf6 Bxf6 10.Nxc6 bxc6 11.Qxd6 Qb6 12.Qg3 Rb8 13.b3 Bxc3
14.Qxc3 Qxf2 15.e5 c5 16.Bd3 Qf4+ 17.Rd2 Bb7 18.Qxc5 Rfc8 19.Qxa7 Qxe5
20.Kb1 h6 21.Qf2 Ra8 22.Re2 Qa5 23.c4 Rd8 24.Rf1 Rd7 25.Qe3 Rad8 26.Bc2
Rc8 27.Rf4 Ra8 28.a4 Qh5 29.g3 Qa5 30.h3 Rc8 31.Rg4 Qh5 32.Qc3 g5 33.Rh2
Bc6 34.Qe5 Bf3 35.Rd4 Rxd4 36.Qxd4 g4 37.h4 Qa5 38.Rd2 Ra8 39.Qf4 Kg7
40.Rd7 Rf8 41.Qe3 Rd8 42.Ra7 Qh5 43.Qxe6 Bd1 44.Qe4 Bxc2+ 45.Kxc2 Qc5
46.Rd7 Qf2+ 47.Kb1 Rxd7 48.Qxg4+ Kf8 49.Qxd7 Qxg3 50.Qd8+ Kg7 51.Qd4+ Kg6
52.Kb2 f5 53.c5 Kh5 54.Qd5 Qh2+ 55.Ka3 Kxh4 56.c6 Qf4 57.Qc4 1-0
</pre>
==Round 10==
[[XiniX]] was not able to mate [[Ant]] with three queens due to a [[Engine Testing#bugs|bug]] with overlapping [[Score#ValueRange|score range]] of [[Score#MateScores|mate scores]] versus huge [[Material|material]] advantage, and finally lost on time <ref>[http://www.xs4all.nl/~timkr/chess2/honor.htm Defending Humanity's Honor] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> :
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.22"]
[Round "10"]
[White "Ant"]
[Black "Xinix"]
[Result "1-0"]
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Qxe4+ 6.Be3 Qe5 7.Nd2 d5 8.Nf3 Qe7
9.Qxd5 Be6 10.Qg5 f6 11.Qf4 O-O-O 12.Bc5 Qd7 13.Bxf8 Rxf8 14.Bd3 a6 15.Nc3 Qf7
16.O-O Nge7 17.Nd4 Ne5 18.Rfe1 Nxd3 19.cxd3 Bd7 20.Nb3 Re8 21.Nc5 Ng6 22.Qg3 f5
23.d4 Rxe1+ 24.Rxe1 Re8 25.Rxe8+ Qxe8 26.h3 Qf7 27.Qf3 Bc6 28.d5 Bd7 29.g3 h6
30.h4 Ne5 31.Qf4 Qf6 32.Qb4 Qb6 33.Qxb6 cxb6 34.f4 Nf3+ 35.Kf2 bxc5 36.Kxf3 Kc7
37.Nd1 Kd6 38.Ne3 h5 39.Ke2 g6 40.a4 b5 41.a5 Bc8 42.Kf3 Bb7 43.Ke2 Bxd5 44.Kd2 b4
45.Nd1 Kc6 46.Nf2 Bc4 47.Nh3 Kb5 48.Ng5 Bd5 49.Nh7 Kxa5 50.Nf8 Bf7 51.Nd7 Kb5
52.Ne5 Be8 53.Kd3 a5 54.Nc4 Bc6 55.Nd6+ Ka6 56.Nf7 a4 57.Ne5 Kb5 58.Kc2 Be4+
59.Kc1 c4 60.Nf7 a3 61.Nd6+ Kc5 62.bxa3 bxa3 63.Nxe4+ fxe4 64.f5 c3 65.Kd1 a2
66.Ke2 a1=Q 67.Ke3 c2 68.fxg6 c1=Q+ 69.Kxe4 Qf6 70.g7 Qc2+ 71.Ke3 Qe6+ 72.Kf4 Qd2+
73.Kf3 Qb3+ 74.Ke4 Qe2+ 75.Kf5 Qf7+ 76.Kg5 Qxg7+ 77.Kf4 Kb5 78.Kf5 Qg8 79.g4 hxg4
80.h5 Qge6+ 81.Kg5 g3 82.Kh4 g2 83.Kg3 g1=Q+ 84.Kh4 Ka5 85.h6 Qf6+ 86.Kh3 Qf4
87.h7 Qf5+ 88.Kh4 Qd4+ 89.Kg3 Qc3+ 90.Kh4 Qfe4+ 91.Kg5 Qcd2+ 92.Kf6 Qh4+ 93.Kg7 Qe5+
94.Kg8 Qg4+ 95.Kf8 Qf6+ 96.Ke8 Qh8+ 97.Ke7 Qhg7+ 98.Ke8 Qe3+ 99.Kd8 Kb6
100.h8=Q Q3d4+ 101.Ke8 Qde4+ 102.Kd8 Q4g5+ 103.Kc8 Qgf5+ {clock} 1-0
</pre>
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=130068 Participants Dutch Open Computerchess tournament] by [[Vincent Diepeveen]], [[CCC]], September 20, 2000
* [https://www.stmintz.com/ccc/index.php?id=133004 new paradigm !] by [[Thorsten Czub]], [[CCC]], October 14, 2000
* [https://www.stmintz.com/ccc/index.php?id=134518 Open Dutch CC Final results] by [[Theo van der Storm]], [[CCC]], October 22, 2000
* [https://www.stmintz.com/ccc/index.php?id=134675 Tao 4.3 (won against Quest, Dutch-ch 2000) is available !] by [[Frank Quisinsky]], [[CCC]], October 23, 2000
=External Links=
* [http://www.csvn.nl/index.php/historie/n-k-computerschaak/45-2000 ONK 2000] [[CSVN]] site
* [http://old.csvn.nl/docc00.html 20st Dutch Open Computer-Chess Championship, Leiden, October 14/15, 21/22th 2000] old [[CSVN]] site
* [http://old.csvn.nl/partic00.html Participants DOCC 2000] old [[CSVN]] site
* [http://www.rebel.nl/dutch_00.htm REBEL-TIGER II at the Dutch Open] by [[Jeroen Noomen]]
=References=
<references />
'''[[Dutch Open Computer Chess Championship|Up one level]]'''
'''[[DOCCC 1999|< Prev]] [[DOCCC 2001|Next >]]'''
The '''20th Dutch Open Computer Chess Championship''' took place at [http://www.denksportcentrumleiden.nl/ Denksportcentrum] [https://en.wikipedia.org/wiki/Leiden Leiden]. It was an eleven round [https://en.wikipedia.org/wiki/Swiss-system_tournament swiss tournament] at two consecutive week ends, October 14-15 and 21-22, [[Timeline#2000|2000]].
=Final Standing=
<ref>[http://www.csvn.nl/index.php/historie/n-k-computerschaak/45-2000 ONK 2000] [[CSVN]] site</ref>
{| class="wikitable"
|-
! #
! Program
! CC
! 1
! 2
! 3
! 4
! 5
! 6
! 7
! 8
! 9
! 10
! 11
! P
! SOS
! SoDOS
|-
! 1
| style="text-align:left;" | [[Chess Tiger]]
! FR
| style="text-align:right;" | 13b1
| style="text-align:right;" | 4w1
| style="text-align:right;" | 3b½
| style="text-align:right;" | 10w1
| style="text-align:right;" | 8b1
| style="text-align:right;" | 2w1
| style="text-align:right;" | 5b½
| style="text-align:right;" | 7w1
| style="text-align:right;" | 6w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 12w1
! 10
| style="text-align:center;" | 63
| style="text-align:center;" | 55½
|-
! 2
| style="text-align:left;" | [[The King]]
! NL
| style="text-align:right;" | 7b1
| style="text-align:right;" | 9w½
| style="text-align:right;" | 10b½
| style="text-align:right;" | 4w1
| style="text-align:right;" | 3b½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 8w1
| style="text-align:right;" | 5w1
| style="text-align:right;" | 12b1
| style="text-align:right;" | 13b1
| style="text-align:right;" | 11w1
! 8½
| style="text-align:center;" | 61
| style="text-align:center;" | 42¼
|-
! 3
| style="text-align:left;" | [[Quest]]
! NL
| style="text-align:right;" | 8w1
| style="text-align:right;" | 6b1
| style="text-align:right;" | 1w½
| style="text-align:right;" | 5b1
| style="text-align:right;" | 2w½
| style="text-align:right;" | 9b1
| style="text-align:right;" | 10w1
| style="text-align:right;" | 4b0
| style="text-align:right;" | 7b0
| style="text-align:right;" | 12w1
| style="text-align:right;" | 14w1
! 8
| style="text-align:center;" | 63½
| style="text-align:center;" | 41¼
|-
! 4
| style="text-align:left;" | [[Nimzo|Nimzo 8]]
! AT
| style="text-align:right;" | 11w1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 6w½
| style="text-align:right;" | 13b1
| style="text-align:right;" | 3w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 7w1
| style="text-align:right;" | 5b0
! 7
| style="text-align:center;" | 63
| style="text-align:center;" | 31½
|-
! 5
| style="text-align:left;" | [[Patzer]]
! DE
| style="text-align:right;" | 10b½
| style="text-align:right;" | 12w1
| style="text-align:right;" | 9b1
| style="text-align:right;" | 3w0
| style="text-align:right;" | 6w½
| style="text-align:right;" | 7b½
| style="text-align:right;" | 1w½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 11w1
| style="text-align:right;" | 4w1
! 7
| style="text-align:center;" | 62
| style="text-align:center;" | 32
|-
! 6
| style="text-align:left;" | [[Kallisto|Kallisto II-X]]
! NL
| style="text-align:right;" | 12w1
| style="text-align:right;" | 3w0
| style="text-align:right;" | 7b½
| style="text-align:right;" | 9w½
| style="text-align:right;" | 5b½
| style="text-align:right;" | 4b½
| style="text-align:right;" | 11w½
| style="text-align:right;" | 13w1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 14b1
| style="text-align:right;" | 8w1
! 6½
| style="text-align:center;" | 57½
| style="text-align:center;" | 25½
|-
! 7
| style="text-align:left;" | [[Tao]]
! NL
| style="text-align:right;" | 2w0
| style="text-align:right;" | 11b1
| style="text-align:right;" | 6w½
| style="text-align:right;" | 8b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 5w½
| style="text-align:right;" | 14b1
| style="text-align:right;" | 1b0
| style="text-align:right;" | 3w1
| style="text-align:right;" | 4b0
| style="text-align:right;" | 10w1
! 6
| style="text-align:center;" | 63½
| style="text-align:center;" | 25¾
|-
! 8
| style="text-align:left;" | [[Ant]]
! NL
| style="text-align:right;" | 3b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 4b½
| style="text-align:right;" | 7w1
| style="text-align:right;" | 1w0
| style="text-align:right;" | 12b½
| style="text-align:right;" | 2b0
| style="text-align:right;" | 14w1
| style="text-align:right;" | 11b½
| style="text-align:right;" | 10w1
| style="text-align:right;" | 6b0
! 5½
| style="text-align:center;" | 59½
| style="text-align:center;" | 20¼
|-
! 9
| style="text-align:left;" | [[Diep]]
! NL
| style="text-align:right;" | 14w1
| style="text-align:right;" | 2b½
| style="text-align:right;" | 5w0
| style="text-align:right;" | 6b½
| style="text-align:right;" | 10b½
| style="text-align:right;" | 3w0
| style="text-align:right;" | 12w1
| style="text-align:right;" | 11b1
| style="text-align:right;" | 4w0
| style="text-align:right;" | 1w0
| style="text-align:right;" | 13b½
! 5
| style="text-align:center;" | 60½
| style="text-align:center;" | 17½
|-
! 10
| style="text-align:left;" | [[XiniX]]
! NL
| style="text-align:right;" | 5w½
| style="text-align:right;" | 14b1
| style="text-align:right;" | 2w½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 9w½
| style="text-align:right;" | 11w1
| style="text-align:right;" | 3b0
| style="text-align:right;" | 12b0
| style="text-align:right;" | 13w1
| style="text-align:right;" | 8b0
| style="text-align:right;" | 7b0
! 4½
| style="text-align:center;" | 59
| style="text-align:center;" | 16¾
|-
! 11
| style="text-align:left;" | [[McTobber|McTobber 00]]
! NL
| style="text-align:right;" | 4b0
| style="text-align:right;" | 7w0
| style="text-align:right;" | 13b½
| style="text-align:right;" | 14w½
| style="text-align:right;" | 12w1
| style="text-align:right;" | 10b0
| style="text-align:right;" | 6b½
| style="text-align:right;" | 9w0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 5b0
| style="text-align:right;" | 2b0
! 3
| style="text-align:center;" | 56
| style="text-align:center;" | 10¼
|-
! 12
| style="text-align:left;" | [[Duck|Duck 1992]]
! NL
| style="text-align:right;" | 6b0
| style="text-align:right;" | 5b0
| style="text-align:right;" | 14w1
| style="text-align:right;" | 13w0
| style="text-align:right;" | 11b0
| style="text-align:right;" | 8w½
| style="text-align:right;" | 9b0
| style="text-align:right;" | 10w1
| style="text-align:right;" | 2w0
| style="text-align:right;" | 3b0
| style="text-align:right;" | 1b0
! 2½
| style="text-align:center;" | 61½
| style="text-align:center;" | 8¼
|-
! 13
| style="text-align:left;" | [[Goldbar|Goldbar 2000]]
! NL
| style="text-align:right;" | 1w0
| style="text-align:right;" | 8b0
| style="text-align:right;" | 11w½
| style="text-align:right;" | 12b1
| style="text-align:right;" | 7b0
| style="text-align:right;" | 14w½
| style="text-align:right;" | 4w0
| style="text-align:right;" | 6b0
| style="text-align:right;" | 10b0
| style="text-align:right;" | 2w0
| style="text-align:right;" | 9w½
! 2½
| style="text-align:center;" | 59½
| style="text-align:center;" | 7
|-
! 14
| style="text-align:left;" | [[Morphy NL|Morphy 3.2]]
! NL
| style="text-align:right;" | 9b0
| style="text-align:right;" | 10w0
| style="text-align:right;" | 12b0
| style="text-align:right;" | 11b½
| style="text-align:right;" | 4w0
| style="text-align:right;" | 13b½
| style="text-align:right;" | 7w0
| style="text-align:right;" | 8b0
| style="text-align:right;" | 5w0
| style="text-align:right;" | 6w0
| style="text-align:right;" | 3b0
! 1
| style="text-align:center;" | 57½
| style="text-align:center;" | 2¾
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
* SOS: [https://en.wikipedia.org/wiki/Buchholz_system Sum of Opponent Scores]
* SoDOS: [https://en.wikipedia.org/wiki/Neustadtl_score Sum of Defeated Opponent Scores]
=Photos=
<ref>Photo courtesy [[Joost Buijs]], July 24, 2015</ref>
==Theo==
[[FILE:theo2000.jpg|none|border|text-bottom]]
Tournament Director [[Theo van der Storm]]
==Duck - Ant==
[[FILE:DuckAnt2000.jpg|none|border|text-bottom]]
[[Duck]] vs. [[Ant]], [[Dennis Breuker]], [[Gijsbert Wiesenekker]], [[Albrecht Heeffer]] (back), [[Tom Vijlbrief]] and [[Hans Secelle]]
==GoldBar - Morphy==
[[FILE:GoldBarMorphy2000.jpg|none|border|text-bottom]]
[[Goldbar|Goldbar 2000]] vs. [[Morphy NL|Morphy 3.2]], [[Bart Goldhoorn]] and [[Eric Walstra]]
==Tao - Patzer==
[[FILE:TaoPatzer2000.jpg|none|border|text-bottom]]
[[Tao]] vs. [[Patzer]], [[Bas Hamstra]], [[Frank Quisinsky]] and [[Roland Pfister]]
==XiniX - McTobber==
[[FILE:XinixMcTobber2000.jpg|none|border|text-bottom]]
[[XiniX]] vs. [[McTobber|McTobber 00]], [[Tony van Roon-Werten|Tony van Werten]], [[Walter Ravenek]] and [[Wim van Beusekom]]
==Winners==
[[FILE:doccc2000prijs.jpg|none|border|text-bottom|640px|link=http://old.csvn.nl/csvnp25.html]]
Winners: [[Johan de Koning]] (2nd), [[Jeroen Noomen]] (1st), [[Frans Morsch]] (3rd) <ref>Photo from [http://old.csvn.nl/csvnp25.html ONK 2000 te Leiden]</ref>
=Selected Games=
==Round 5==
Round 5, [[Chess Tiger]] - [[The King]]
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.15"]
[Round "06"]
[White "Chess Tiger"]
[Black "The King"]
[Result "1-0"]
1.d4 d5 2.c4 Bf5 3.cxd5 Bxb1 4.Qa4+ c6 5.dxc6 Nxc6 6.Rxb1 e5 7.Bd2 Qxd4 8.Qxd4 exd4
9.g3 Bb4 10.Bxb4 Nxb4 11.Bg2 Ne7 12.Bxb7 Rb8 13.Be4 f5 14.Bd3 Nxa2 15.Nf3 Nb4
16.Bc4 Nec6 17.O-O Ke7 18.Rfd1 Rhd8 19.Ra1 Kf6 20.h3 g5 21.g4 Rb6 22.Rd2 fxg4
23.hxg4 Rb7 24.Kg2 Re7 25.Kg3 Rc7 26.Bb5 Rd6 27.Rh1 Kg6 28.Rc1 Re7 29.Rc4 a6
30.Ba4 a5 31.Bb5 Kf6 32.Rc5 h6 33.Rd1 Kg7 34.b3 Kh7 35.Rdc1 Ree6 36.Ra1 Kg7
37.Rh1 Kf8 38.Rhc1 Ke7 39.R1c4 Kf6 40.Rf5+ Kg7 41.Rcc5 Rf6 42.Bc4 Rd7 43.Rxf6 Kxf6
44.Rf5+ Kg7 45.Ne5 Nxe5 46.Rxe5 Ra7 47.Kf3 Ra8 48.Ke4 Rf8 49.Re7+ Kh8 50.Rf7 Rd8
51.f3 Rd6 52.Rc7 Nc6 53.Bb5 Nb4 54.Ra7 d3 55.exd3 Re6+ 56.Kf5 Rd6 57.Rxa5 Nxd3
58.Bxd3 Rxd3 59.Rb5 Rc3 60.b4 Kg7 61.Rb7+ Kf8 62.b5 Rxf3+ 63.Kg6 Ke8 64.Kxh6 Rb3
65.Kxg5 Kd8 66.Kf6 Kc8 67.Ra7 Rf3+ 68.Kg6 Rb3 69.g5 Rxb5 70.Kf6 Rb6+ 1-0
</pre>
==Round 9==
Round 9, [[Tao]] - [[Quest]] <ref>[https://www.stmintz.com/ccc/index.php?id=134675 Tao 4.3 (won against Quest, Dutch-ch 2000) is available !] by [[Frank Quisinsky]], [[CCC]], October 23, 2000</ref>
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.21"]
[Round "09"]
[White "Tao"]
[Black "Quest"]
[Result "1-0"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.Bxf6 Bxf6 10.Nxc6 bxc6 11.Qxd6 Qb6 12.Qg3 Rb8 13.b3 Bxc3
14.Qxc3 Qxf2 15.e5 c5 16.Bd3 Qf4+ 17.Rd2 Bb7 18.Qxc5 Rfc8 19.Qxa7 Qxe5
20.Kb1 h6 21.Qf2 Ra8 22.Re2 Qa5 23.c4 Rd8 24.Rf1 Rd7 25.Qe3 Rad8 26.Bc2
Rc8 27.Rf4 Ra8 28.a4 Qh5 29.g3 Qa5 30.h3 Rc8 31.Rg4 Qh5 32.Qc3 g5 33.Rh2
Bc6 34.Qe5 Bf3 35.Rd4 Rxd4 36.Qxd4 g4 37.h4 Qa5 38.Rd2 Ra8 39.Qf4 Kg7
40.Rd7 Rf8 41.Qe3 Rd8 42.Ra7 Qh5 43.Qxe6 Bd1 44.Qe4 Bxc2+ 45.Kxc2 Qc5
46.Rd7 Qf2+ 47.Kb1 Rxd7 48.Qxg4+ Kf8 49.Qxd7 Qxg3 50.Qd8+ Kg7 51.Qd4+ Kg6
52.Kb2 f5 53.c5 Kh5 54.Qd5 Qh2+ 55.Ka3 Kxh4 56.c6 Qf4 57.Qc4 1-0
</pre>
==Round 10==
[[XiniX]] was not able to mate [[Ant]] with three queens due to a [[Engine Testing#bugs|bug]] with overlapping [[Score#ValueRange|score range]] of [[Score#MateScores|mate scores]] versus huge [[Material|material]] advantage, and finally lost on time <ref>[http://www.xs4all.nl/~timkr/chess2/honor.htm Defending Humanity's Honor] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> :
<pre>
[Event "DOCCC 2000"]
[Site "Leiden NED"]
[Date "2000.10.22"]
[Round "10"]
[White "Ant"]
[Black "Xinix"]
[Result "1-0"]
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Qxe4+ 6.Be3 Qe5 7.Nd2 d5 8.Nf3 Qe7
9.Qxd5 Be6 10.Qg5 f6 11.Qf4 O-O-O 12.Bc5 Qd7 13.Bxf8 Rxf8 14.Bd3 a6 15.Nc3 Qf7
16.O-O Nge7 17.Nd4 Ne5 18.Rfe1 Nxd3 19.cxd3 Bd7 20.Nb3 Re8 21.Nc5 Ng6 22.Qg3 f5
23.d4 Rxe1+ 24.Rxe1 Re8 25.Rxe8+ Qxe8 26.h3 Qf7 27.Qf3 Bc6 28.d5 Bd7 29.g3 h6
30.h4 Ne5 31.Qf4 Qf6 32.Qb4 Qb6 33.Qxb6 cxb6 34.f4 Nf3+ 35.Kf2 bxc5 36.Kxf3 Kc7
37.Nd1 Kd6 38.Ne3 h5 39.Ke2 g6 40.a4 b5 41.a5 Bc8 42.Kf3 Bb7 43.Ke2 Bxd5 44.Kd2 b4
45.Nd1 Kc6 46.Nf2 Bc4 47.Nh3 Kb5 48.Ng5 Bd5 49.Nh7 Kxa5 50.Nf8 Bf7 51.Nd7 Kb5
52.Ne5 Be8 53.Kd3 a5 54.Nc4 Bc6 55.Nd6+ Ka6 56.Nf7 a4 57.Ne5 Kb5 58.Kc2 Be4+
59.Kc1 c4 60.Nf7 a3 61.Nd6+ Kc5 62.bxa3 bxa3 63.Nxe4+ fxe4 64.f5 c3 65.Kd1 a2
66.Ke2 a1=Q 67.Ke3 c2 68.fxg6 c1=Q+ 69.Kxe4 Qf6 70.g7 Qc2+ 71.Ke3 Qe6+ 72.Kf4 Qd2+
73.Kf3 Qb3+ 74.Ke4 Qe2+ 75.Kf5 Qf7+ 76.Kg5 Qxg7+ 77.Kf4 Kb5 78.Kf5 Qg8 79.g4 hxg4
80.h5 Qge6+ 81.Kg5 g3 82.Kh4 g2 83.Kg3 g1=Q+ 84.Kh4 Ka5 85.h6 Qf6+ 86.Kh3 Qf4
87.h7 Qf5+ 88.Kh4 Qd4+ 89.Kg3 Qc3+ 90.Kh4 Qfe4+ 91.Kg5 Qcd2+ 92.Kf6 Qh4+ 93.Kg7 Qe5+
94.Kg8 Qg4+ 95.Kf8 Qf6+ 96.Ke8 Qh8+ 97.Ke7 Qhg7+ 98.Ke8 Qe3+ 99.Kd8 Kb6
100.h8=Q Q3d4+ 101.Ke8 Qde4+ 102.Kd8 Q4g5+ 103.Kc8 Qgf5+ {clock} 1-0
</pre>
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=130068 Participants Dutch Open Computerchess tournament] by [[Vincent Diepeveen]], [[CCC]], September 20, 2000
* [https://www.stmintz.com/ccc/index.php?id=133004 new paradigm !] by [[Thorsten Czub]], [[CCC]], October 14, 2000
* [https://www.stmintz.com/ccc/index.php?id=134518 Open Dutch CC Final results] by [[Theo van der Storm]], [[CCC]], October 22, 2000
* [https://www.stmintz.com/ccc/index.php?id=134675 Tao 4.3 (won against Quest, Dutch-ch 2000) is available !] by [[Frank Quisinsky]], [[CCC]], October 23, 2000
=External Links=
* [http://www.csvn.nl/index.php/historie/n-k-computerschaak/45-2000 ONK 2000] [[CSVN]] site
* [http://old.csvn.nl/docc00.html 20st Dutch Open Computer-Chess Championship, Leiden, October 14/15, 21/22th 2000] old [[CSVN]] site
* [http://old.csvn.nl/partic00.html Participants DOCC 2000] old [[CSVN]] site
* [http://www.rebel.nl/dutch_00.htm REBEL-TIGER II at the Dutch Open] by [[Jeroen Noomen]]
=References=
<references />
'''[[Dutch Open Computer Chess Championship|Up one level]]'''
