The WCH CORR wasn't always a separate chess database until about 7 years ago when the need from correspondence chess players clearly stood out. With 1,9 million games, it is the ICCF and generally correspondence games best chess database. Mainly used by the correspondence chess players, the WCH CORR shows true power when helping the chess masters to analyze their openings or middle game. The ICCF is the largest correspondence chess federation and Wind Chess is a proud chess database sponsor. Whether you are amateur, beginner or professional correspondence player you need FIVE things : 1) your own brain, 2) powerful multi-core computer with large build in memory, super fast SSD flash disks, 3) powerful engine such as Houdini 4) chess database program such as Chess Base or Chess Assistant and 5) powerful chess database such as WCH CORR.

Part of WCH CORR is specific WCH TOP CORR 2015.CTG. A library, which holds games of top correspondence players with ELO higher than 2300 for last 5 years. You know better the theory these days evolves fast and furious. If you want to be successful at correspondence game, you have to try to reach advantage already at the opening. Otherwise it is proven very difficult to win against a player who also uses strong computer chess programs.

What is better than looking at the openings played by world's best correspondence players. Look if they use your favorite variation or how they are successful with different openings. The library is with format CTG so you can view it with Chess Base program.

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Some interesting facts about the tree:

White most frequent move is 1 e4 with success rate 55,5%. Right after that is 1 d4 with success rate 55%. One of the most frequent opening is variation of Najdorf Sicilian with move 6. H4 with success rate 57,3%. When playing black, a good path to keep up, is to play Berlin defense in Spanish game with white being successful only 52,7%. In closed games, the white gets biggest trauma from playing Slav Defense.

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Chess database Selection

Database name
WCH CORR
WCH OTB
WCH ORCA
WCH CHEETAH
Number of games
1,948,537
9,268,503
46,037,541
36,769,038
Formats supported
CB, CA, PGN
CB, CA, PGN
CB, CA, PGN
CB, CA, PGN
Last Update
11/2020
12/2020
12/2020
11/2020
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