ECO code table steps A00-A99
The ECO Code system of Mr.Christopher Conkie, from A00 to A99.

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ONLINE CHESS SCHOOL AND MATERIAL COLLECTIONS

DATA PROTECTION
50264/1905 | 25

My forte was the middlegame. I had a good feeling for the critical moments of the play. This undoubtedly compensated for my lack of opening preparation and, possibly, not altogether perfect play in the endgame. In my games things often did not reach the endgame!- Boris Spassky

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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