ECO code table steps D00-D99
The ECO Code system of Mr.Christopher Conkie, from D00 to D99.

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ONLINE CHESS SCHOOL AND MATERIAL COLLECTIONS

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The blunders are all there on the board, waiting to be made. - Tartakover

PRIVATE ROOM PAGES

Chess School pages

BEGINNER LEVEL
Chess school for beginners: 1.Giving a check; 2.Parrying a check; 3.Double-check; 4.Take and win a piece; 5.Which one to take?; 6.Take or check?; 7.Fork; 8.Other examples; 9.Mate in one; 10.Types of mates; 11.Other examples are mate
Trening for beginners: 1.Giving a check; 2.Parrying a check; 3.Double-check; 4.Which one to take?; 5.Take and win material; 6.Winning a pawn in one; 7.Mate in one
Chess tests for beginners: 1.Mate in one (Level:1000); 2.Matt search (Level:1000); 3.Chess or matte (Level:1000); 4.Chess search (Level:1000)
BASIC LEVEL
Chess school for basic players: 1.Endgame: Mates; 2.Endgame: Pawn-endings; 3.Endgame: Zugzwang; 4.Endgame: Realizing an extra-pawn; 5.Endgame: Realizing an extra-piece; 6.Endgame: Realizing material advantage with exchanges; 7.Endgame: Examples with material advantage; 8.Tactics: Mate in one - with few figures; 9.Tactics: Mate in one - with a lot of figures; 10.Tactics: Mate in one - Examples; 11.Tactics: Back-row problems; 12.Tactics: Double-attack; 13.Tactics: Pins; 14.Tactics: Discovered moves; 15.Tactics: Discovered check; 16.Tactics: Double-check; 17.Tactics: Capture; 18.Tactics: Deflections and attractions; 19.Opening
Trening for basic players: 1.Mate in one; 2.Simplest tactics; 3.Tacticts for basic level; 4.Pins; 5.Play against defence; 6.Typical mates
Chess tests for basic players: 1.What color?; 2.What step?; 3.King search (Level 1400); 4.Mate in one (Level:1400); 5.Matt search (Level:1400); 6.Chess or matte (Level:1400)
INTERMEDIATE LEVEL
Chess school for intermediate players: 1.Endgame: Pawn-endings; 2.Endgame: Rook endings; 3.Endgame: Queens and rook against the pawn; 4.Endgame: Light figures endings; 5.Endgame: Endgame Tactics; 6.Tactics: Compound pins; 7.Tactics: Deflections and attractions; 8.Tactics: Back rank weaknesses; 9.Tactics: Legal-mate; 10.Tactics: Types of mates; 11.Tactics and strategy: Initiative; 12.Strategy: Improving the position of a figure; 13.Position and strategy: Improvement or deterioration of pawn structure
Trening for intermediate players: 1.Tactics for semi-advanced; 2.Attacks for mate; 3.Mates in two or three; 4.Mate riddles; 5.Typical mates; 6.Winning a figures; 7.Mates
Chess tests for intermediate players: 1.Mate in one (Level:1800); 2.Matt search (Level:1800); 3.Chess or matte (Level:1800); 4.Diagram test (Level:1800)
ADVANCED LEVEL
Chess school for advanced players
Trening for advanced players: 1.Mate in two steps (max. 12 figures)
Chess tests for advanced players: 1.Mate in one (Level:2100); 2.Matt search (Level:2100); 3.Chess or matte (Level:2100); 4.Diagram test (Level:2100)

Collections

Big databases: 1. Big databases until 1979; 2. Big databases 1980-1989.; 3. Big databases 1990-1992.; 4. Big databases 1993-1995.; 5. Big databases 1996-1997.; 6. Big databases 1998-1999.; 7. Big databases 2000.; 8. Big databases 2001.; 9. Big databases 2002.; 10. Big databases 2003.; 11. Big databases 2004.; 12. Big databases 2005.; 13. Big databases 2006.; 14. Big databases 2007.; 15. Big databases 2008.; 16. Big databases 2009.; 17. Big databases 2010.; 18. Big databases 2011.; 19. Big databases 2012.; 20. Big databases 2013.; 21. Big databases 2014.; 22. Big databases 2015.; 23. Big databases 2016.; 24. Big databases 2017.; 25. Big databases 2018.; 26. Big databases 2019.; 27. Big databases 2020.; 28. Big databases 2021.; 29. Big databases 2022.; 30. Big databases 2023.; 31. Big databases 2024.; 32. Big databases 2025.
Collections: 1. Analyzed games - A00-A99; 2. Analyzed games - B00-B99; 3. Analyzed games - C00-C99; 4. Analyzed games - D00-D99; 5. Analyzed games - E00-E99; 6. 'A' openings; 7. 'B' openings; 8. 'C' openings; 9. 'D' openings; 10. 'E' openings; 11. Worldchampions; 12. Classics and Legends; 13. Grandmasters between themselves; 14. Todays Great Players and Young People; 15. Miniature matte finish; 16. Miniature with black victory; 17. Miniature with white victory; 18. Chess games of chess-books; 19. Irregular openings games; 20. Romantic Chess Games I.; 21. Romantic Chess Games II.; 22. Romantic Chess Games III.
Single-file collection: 1. Long Games I.; 2. Long Games II.; 3. Lajos Portisch plays; 4. 500 anonim wins; 5. Opening traps 1.; 6. Opening traps 2.; 7. ECO code table steps A00-A99; 8. ECO code table steps B00-B99; 9. ECO code table steps C00-C99; 10. ECO code table steps D00-D99; 11. ECO code table steps E00-E99; 12. Advantageous games; 13. Masterpieces until 1936; 14. Masterpieces 1937-1972; 15. Masterpieces 1973-1999; 16. Masterpieces 2000-től; 17. Games of the heroic age of chess; 18. World Championship Matches
Diagrams: 1. Endgame examples; 2. Endgame studies; 3. Endgames of games; 4. Collection of Diagrams; 5. Matt puzzles over fifty steps; 6. Simplifying and driving attack; 7. Mate in two steps; 8. Mate in three steps; 9. Matt four to fifty steps; 10. Diagrams of chess-books; 11. Matte puzzles without solutions; 12. 2NN positions; 13. Selfmate and reflexmate chess compositions; 14. Helpmates chess compositions
Training: 1. Endgames; 2. Positions training; 3. Loyd puzzles; 4. Mate in two steps (max. 12 figures); 5. Mate in two steps; 6. Mate in 3 steps; 7. Mate in 4 or more steps
Tests: 1. Diagram test (Level:master); 2. Mate in one (Level:master); 3. Matt search (Level:master); 4. Chess or matte (Level:master)
OPENINGS BOOKS: 1. Big openings book; 2. GM openings book; 3. Quick white wins; 4. Quick black wins; 5. Irregular openings book; 6. Sicilian Defence; 7. Tree for 1. e4 e5; 8. Tree for 1. e4... (without e5 and c5); 9. Tree for 1. d4 Nf6; 10. Tree for 1. d4..., (without Nf6); 11. Nf3 and c4 and other


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