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Created page with "'''Home * Engines * Anechka''' FILE:Анна Плетнёва Деревья кадр 1.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Anna_Pletny..."
'''[[Main Page|Home]] * [[Engines]] * Anechka'''
[[FILE:Анна Плетнёва Деревья кадр 1.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Anna_Pletnyova Anna Pletnyova] for Anechka's Tree <ref>[https://ru.wikipedia.org/wiki/%D0%9F%D0%BB%D0%B5%D1%82%D0%BD%D1%91%D0%B2%D0%B0,_%D0%90%D0%BD%D0%BD%D0%B0_%D0%AE%D1%80%D1%8C%D0%B5%D0%B2%D0%BD%D0%B0 Анна Плетнёва] в кадре из клипа [https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D1%8F_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F) Деревья] группы [https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6_(%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B0) Винтаж], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) альбом Анечка] ([https://en.wikipedia.org/wiki/Anna_Pletnyova Anna Pletnyova] in a frame from the clip [https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D1%8F_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F) Trees] of the group [https://en.wikipedia.org/wiki/Vintage_%28band%29 Vintage], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) Album Anechka]), Vintagemusic.ru, 2011, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Anechka''', (Анечка, Anya)<br/>
an [[UCI]] compliant chess engine by [[Sergei Nefedov]], written in [[Delphi]]. The program was developed incrementally, starting with [[Board Representation|board representation]], [[Move Generation|generation]], [[Make Move|make]] and [[Unmake Move|unmake move]], [[Alpha-Beta|alpha-beta]] search, and rudimentary [[Evaluation|evaluation]], published in 2003, further improving in subsequent versions.
Version 0.05 disabled [[Check|checks]] in [[Quiescence Search|quiescence search]] and had a slightly modified evaluation function, yielding in a significant increase in playing strength on short time controls <ref>[http://www.sdchess.ru/Anechka_UCI.htm Anechka by Сергей Нефедов, Russia] from [http://www.sdchess.ru/ sdchess.ru]</ref>.
Latest version is Anechka 0.08, released in July 2006 <ref>[http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[KCEC]]</ref>.
This version played the [[CCCCISC 2008]] in [https://en.wikipedia.org/wiki/Moscow Moscow] with 3½/7, and the [[IOPCCC 2008]] in [https://en.wikipedia.org/wiki/%C5%81%C3%B3d%C5%BA Łódź].
=Selected Games=
[[IOPCCC 2008]], round 2, [[Tytan]] - [[Anechka]] <ref>[http://mpps.maciej.szmit.info/mpps-7/results.htm IOPCCC 2008 - results and PGN]</ref>
<pre>
[Event "IOPCCC 2008"]
[Site "Lodz"]
[Date "2008.06.27"]
[Round "2"]
[White "Tytan"]
[Black "Anechka"]
[Result "1/2-1/2"]
1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Nc6 8.e3 O-O 9.Nc3 Re8
10.d5 Ne5 11.Nxe5 Bxe5 12.a4 a5 13.Nb5 Rb8 14.Bd2 Nxd5 15.Bxa5 e6 16.e4 b6 17.Bd2 Ne7
18.Qc1 Ba6 19.Rd1 Qc8 20.Bf4 Bxf4 21.Qxf4 Bxb5 22.axb5 Rd8 23.Rdc1 Rd7 24.Bf3 Qd8 25.Qe5
Ra8 26.Ra3 Rc8 27.Rac3 Rd6 28.Bg4 Qd7 29.Qf4 Qd8 30.R3c2 Rd7 31.R2c4 Rd6 32.Qf6 h6
33.R1c2 Rd7 34.Qe5 Kh7 35.Qf4 Ng8 36.e5 Ra8 37.Qc1 Ra7 38.R4c3 Ne7 39.Ra3 Rb7 40.Bf3 Rb8
41.Ra7 Rc8 42.Ra1 Nd5 43.Rc4 Qh8 44.Rh4 Qg7 45.Ra7 Re8 46.Qe1 Rde7 47.Rha4 Qh8 48.Qe2 Rd8
49.Rc4 Rdd7 50.Ra1 Re8 51.Rh4 Ra8 52.Rxa8 Qxa8 53.Qd2 Qf8 54.Qc1 Qg7 55.Re4 Ne7 56.Qc3 Qf8
57.Rd4 Qd8 58.Rxd7 Qxd7 59.Kg2 Kg7 60.Bc6 Qd8 61.Be4 Kh7 62.Qd3 Qe8 63.Kf3 Kg7 64.h3 Kh7
65.g4 Kg7 66.h4 Kg8 67.Ke3 Kh8 68.f4 Ng8 69.Bc6 Qe7 70.g5 Qc5+ 71.Qd4 Qc2 72.Qd2 Qf5 73.Qd7
Qh3+ 74.Bf3 Qxh4 75.Qxc7 Qe1+ 76.Be2 Qg3+ 77.Ke4 Qf2 78.Bf3 Qe1+ 79.Kd3 Qg3 80.Ke4 hxg5
81.Qxf7 g4 82.Be2 Qg2+ 83.Ke3 Qh3+ 84.Kd4 g3 85.Bf3 g2 86.Bxg2 Qxg2 87.Qxe6 Qxb2+ 88.Ke3
Qc3+ 89.Ke2 Qc2+ 90.Kf3 Qd3+ 91.Kg2 Qxb5 92.Qxg6 Qe2+ 93.Kg3 Qe3+ 94.Kg2 Qxf4 95.Qxb6 Qxe5
96.Qb4 Nh6 97.Qh4 Qe2+ 98.Qf2 Qe4+ 99.Qf3 Qg6+ 100.Kf1 Nf5 101.Ke1 Qg5 102.Kf2 Qd2+ 103.Qe2
Qd4+ 104.Kf3 Nh4+ 105.Kg3 Ng6 106.Qf2 Qh4+ 107.Kf3 Ne5+ 108.Kg2 Qe4+ 109.Kf1 Qc4+ 110.Qe2
Qc1+ 111.Qe1 Qg5 112.Qf2 Kh7 113.Qh2+ Kg7 114.Qg1 Ng4 115.Qd4+ Kg6 116.Qe4+ Kf6 117.Qf3+
Ke7 118.Qb7+ Kd8 119.Qh7 Qf4+ 120.Ke2 Qf2+ 121.Kd3 Ne5+ 122.Kc3 Qe3+ 123.Kc2 Qd4 124.Kb1
Nc4 125.Qb7 Qc3 126.Ka2 Ke8 127.Qc6+ Ke7 128.Qc5+ Ke6 129.Qc6+ Ke5 130.Qc7+ Ke4 131.Qb7+ Kf5
132.Qf7+ Kg4 133.Qd7+ Kf4 134.Qf7+ Kg3 135.Qg6+ Kh4 136.Qh7+ Kg5 137.Qg8+ Kh6 138.Qf8+ Kg6
139.Qg8+ 1/2-1/2
</pre>
=External Links=
==Chess Engine==
* [http://www.sdchess.ru/Anechka_UCI.htm Anechka by Сергей Нефедов, Russia] from [http://www.sdchess.ru/ sdchess.ru]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[CCRL|CCRL 40/15]]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[KCEC]]
==Misc==
* [https://en.wikipedia.org/wiki/List_of_minor_planets:_10001%E2%80%9311000 List of minor planets: 10001–11000 - 10456 Anechka - Wikipedia]
: discovered by [https://en.wikipedia.org/wiki/Nikolai_Chernykh Nikolai Chernykh], [https://en.wikipedia.org/wiki/Crimean_Astrophysical_Observatory Crimean Astrophysical Observatory], August 8, 1978
* [https://en.wikipedia.org/wiki/Anya Anya from Wikipedia]
* [https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6_%28%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B0%29 Винтаж] ([https://en.wikipedia.org/wiki/Vintage_%28band%29 Vintage]) - [https://ru.wikipedia.org/wiki/Ave_Maria_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F_%C2%AB%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6%D0%B0%C2%BB) Ave Maria], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) альбом Анечка] (album Anechka, 2011), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=9xkihK3uSlQ|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:UCI]]
[[Category:Delphi]]
[[Category:PC]]
[[Category:X86]]
[[Category:Windows]]
[[Category:Astronomy]]
[[Category:Given Name]]
[[Category:Music]]
[[FILE:Анна Плетнёва Деревья кадр 1.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Anna_Pletnyova Anna Pletnyova] for Anechka's Tree <ref>[https://ru.wikipedia.org/wiki/%D0%9F%D0%BB%D0%B5%D1%82%D0%BD%D1%91%D0%B2%D0%B0,_%D0%90%D0%BD%D0%BD%D0%B0_%D0%AE%D1%80%D1%8C%D0%B5%D0%B2%D0%BD%D0%B0 Анна Плетнёва] в кадре из клипа [https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D1%8F_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F) Деревья] группы [https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6_(%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B0) Винтаж], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) альбом Анечка] ([https://en.wikipedia.org/wiki/Anna_Pletnyova Anna Pletnyova] in a frame from the clip [https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D1%8F_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F) Trees] of the group [https://en.wikipedia.org/wiki/Vintage_%28band%29 Vintage], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) Album Anechka]), Vintagemusic.ru, 2011, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Anechka''', (Анечка, Anya)<br/>
an [[UCI]] compliant chess engine by [[Sergei Nefedov]], written in [[Delphi]]. The program was developed incrementally, starting with [[Board Representation|board representation]], [[Move Generation|generation]], [[Make Move|make]] and [[Unmake Move|unmake move]], [[Alpha-Beta|alpha-beta]] search, and rudimentary [[Evaluation|evaluation]], published in 2003, further improving in subsequent versions.
Version 0.05 disabled [[Check|checks]] in [[Quiescence Search|quiescence search]] and had a slightly modified evaluation function, yielding in a significant increase in playing strength on short time controls <ref>[http://www.sdchess.ru/Anechka_UCI.htm Anechka by Сергей Нефедов, Russia] from [http://www.sdchess.ru/ sdchess.ru]</ref>.
Latest version is Anechka 0.08, released in July 2006 <ref>[http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[KCEC]]</ref>.
This version played the [[CCCCISC 2008]] in [https://en.wikipedia.org/wiki/Moscow Moscow] with 3½/7, and the [[IOPCCC 2008]] in [https://en.wikipedia.org/wiki/%C5%81%C3%B3d%C5%BA Łódź].
=Selected Games=
[[IOPCCC 2008]], round 2, [[Tytan]] - [[Anechka]] <ref>[http://mpps.maciej.szmit.info/mpps-7/results.htm IOPCCC 2008 - results and PGN]</ref>
<pre>
[Event "IOPCCC 2008"]
[Site "Lodz"]
[Date "2008.06.27"]
[Round "2"]
[White "Tytan"]
[Black "Anechka"]
[Result "1/2-1/2"]
1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Nc6 8.e3 O-O 9.Nc3 Re8
10.d5 Ne5 11.Nxe5 Bxe5 12.a4 a5 13.Nb5 Rb8 14.Bd2 Nxd5 15.Bxa5 e6 16.e4 b6 17.Bd2 Ne7
18.Qc1 Ba6 19.Rd1 Qc8 20.Bf4 Bxf4 21.Qxf4 Bxb5 22.axb5 Rd8 23.Rdc1 Rd7 24.Bf3 Qd8 25.Qe5
Ra8 26.Ra3 Rc8 27.Rac3 Rd6 28.Bg4 Qd7 29.Qf4 Qd8 30.R3c2 Rd7 31.R2c4 Rd6 32.Qf6 h6
33.R1c2 Rd7 34.Qe5 Kh7 35.Qf4 Ng8 36.e5 Ra8 37.Qc1 Ra7 38.R4c3 Ne7 39.Ra3 Rb7 40.Bf3 Rb8
41.Ra7 Rc8 42.Ra1 Nd5 43.Rc4 Qh8 44.Rh4 Qg7 45.Ra7 Re8 46.Qe1 Rde7 47.Rha4 Qh8 48.Qe2 Rd8
49.Rc4 Rdd7 50.Ra1 Re8 51.Rh4 Ra8 52.Rxa8 Qxa8 53.Qd2 Qf8 54.Qc1 Qg7 55.Re4 Ne7 56.Qc3 Qf8
57.Rd4 Qd8 58.Rxd7 Qxd7 59.Kg2 Kg7 60.Bc6 Qd8 61.Be4 Kh7 62.Qd3 Qe8 63.Kf3 Kg7 64.h3 Kh7
65.g4 Kg7 66.h4 Kg8 67.Ke3 Kh8 68.f4 Ng8 69.Bc6 Qe7 70.g5 Qc5+ 71.Qd4 Qc2 72.Qd2 Qf5 73.Qd7
Qh3+ 74.Bf3 Qxh4 75.Qxc7 Qe1+ 76.Be2 Qg3+ 77.Ke4 Qf2 78.Bf3 Qe1+ 79.Kd3 Qg3 80.Ke4 hxg5
81.Qxf7 g4 82.Be2 Qg2+ 83.Ke3 Qh3+ 84.Kd4 g3 85.Bf3 g2 86.Bxg2 Qxg2 87.Qxe6 Qxb2+ 88.Ke3
Qc3+ 89.Ke2 Qc2+ 90.Kf3 Qd3+ 91.Kg2 Qxb5 92.Qxg6 Qe2+ 93.Kg3 Qe3+ 94.Kg2 Qxf4 95.Qxb6 Qxe5
96.Qb4 Nh6 97.Qh4 Qe2+ 98.Qf2 Qe4+ 99.Qf3 Qg6+ 100.Kf1 Nf5 101.Ke1 Qg5 102.Kf2 Qd2+ 103.Qe2
Qd4+ 104.Kf3 Nh4+ 105.Kg3 Ng6 106.Qf2 Qh4+ 107.Kf3 Ne5+ 108.Kg2 Qe4+ 109.Kf1 Qc4+ 110.Qe2
Qc1+ 111.Qe1 Qg5 112.Qf2 Kh7 113.Qh2+ Kg7 114.Qg1 Ng4 115.Qd4+ Kg6 116.Qe4+ Kf6 117.Qf3+
Ke7 118.Qb7+ Kd8 119.Qh7 Qf4+ 120.Ke2 Qf2+ 121.Kd3 Ne5+ 122.Kc3 Qe3+ 123.Kc2 Qd4 124.Kb1
Nc4 125.Qb7 Qc3 126.Ka2 Ke8 127.Qc6+ Ke7 128.Qc5+ Ke6 129.Qc6+ Ke5 130.Qc7+ Ke4 131.Qb7+ Kf5
132.Qf7+ Kg4 133.Qd7+ Kf4 134.Qf7+ Kg3 135.Qg6+ Kh4 136.Qh7+ Kg5 137.Qg8+ Kh6 138.Qf8+ Kg6
139.Qg8+ 1/2-1/2
</pre>
=External Links=
==Chess Engine==
* [http://www.sdchess.ru/Anechka_UCI.htm Anechka by Сергей Нефедов, Russia] from [http://www.sdchess.ru/ sdchess.ru]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[CCRL|CCRL 40/15]]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=Anechka%200.08 Anechka 0.08] in [[KCEC]]
==Misc==
* [https://en.wikipedia.org/wiki/List_of_minor_planets:_10001%E2%80%9311000 List of minor planets: 10001–11000 - 10456 Anechka - Wikipedia]
: discovered by [https://en.wikipedia.org/wiki/Nikolai_Chernykh Nikolai Chernykh], [https://en.wikipedia.org/wiki/Crimean_Astrophysical_Observatory Crimean Astrophysical Observatory], August 8, 1978
* [https://en.wikipedia.org/wiki/Anya Anya from Wikipedia]
* [https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6_%28%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B0%29 Винтаж] ([https://en.wikipedia.org/wiki/Vintage_%28band%29 Vintage]) - [https://ru.wikipedia.org/wiki/Ave_Maria_(%D0%BF%D0%B5%D1%81%D0%BD%D1%8F_%C2%AB%D0%92%D0%B8%D0%BD%D1%82%D0%B0%D0%B6%D0%B0%C2%BB) Ave Maria], [https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B5%D1%87%D0%BA%D0%B0_(%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC) альбом Анечка] (album Anechka, 2011), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=9xkihK3uSlQ|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:UCI]]
[[Category:Delphi]]
[[Category:PC]]
[[Category:X86]]
[[Category:Windows]]
[[Category:Astronomy]]
[[Category:Given Name]]
[[Category:Music]]
