Comparative analysis of chess databases.

[budfit]

Hi all,
see comparative analysis between Chess Base Mega/Big 2008, Chess Assistant Hugebase 2008 and Openingmaster 1.07

These are just numbers, not conclusions...

for more information on all three please visit
www.chessbase.com / CB Mega
www.chessok.com / CA HugeBase
www.openingmaster.com / OM 1.07

Price comparison :
CB : Mega 149,90 Eur / Big 49,90 Eur
CA : 34,44 Eur
OM : 39,90 Eur

Total Number of games:
CB : 3,803,335
CA : 3,978,421
OM : 5,271,420

Number of games without bodies (only headers)
CB : 43,729
CA : 0
OM : 0

Number of moves 1-7
CB : 71,220
CA : 9,422
OM : 0

Number of games where both players are above 2300 ELO
CB : 744,028
CA : 916,809
OM : 983,435

Number of games where both players are above 2500 ELO
CB : 129,853
CA : 166,232
OM : 177,102

Games played in 2005
CB : 221,161
CA : 168,565
OM : 271,843

Games played in 2006
CB : 214,255
CA : 306,349
OM : 273,843

Games played in 2007
CB : 171,150
CA : 382,104
OM : 248,762

Games played in 2008
CB : -
CA : 187,627
OM : 126,589

Games played in 2005-2008
CB : 606,566
CA : 1,044,645
OM : 921,037

Update frequency:
CB : annual (possibility also online)
CA : weekly
OM : monthly (Correspondence DB is also included in the price)

Annotated games:
CB : yes (61,000 Mega), no (Big)
CA : yes (36,000)
OM : no

Database environment :
CB : ChessBase
CA : Chess Assistant
OM : ChessBase

Best Regards,
Alexander Horvath, SIM ICCF

[Pierre Bourget]

Interesting ,could you tell me how much games in total for the period 1800-1970 .Thank you.

[budfit]

Hi,
here is the list with number of games:

y. 1800-1970 :

CB - 223.609
CA - 210.200
OM - 302.856

Best regards,
Alexander Horvath