The Chess Informants 1-40 in PGN format CD brings a selection of 35,147 fully annotated theoretically important games played between January 1966 and December 1985.

This CD features contributions from the chess elite, including 11 world champions: Euwe (2 games), Botvinnik (72), Smyslov (473), Tal (803), Petrosian (531), Spassky (610), Fischer (192), Karpov (660), Kasparov (320), Anand (9) and Khalifman (22), plus Korchnoi (893), Portisch (814), Larsen (762), Timman (733), Polugaevsky (712), Gligoric (712), Hort (704), Miles (589), Geller (570), Ljubojevic (547), and many others including Adorjan, G. Agzamov, Alburt, Andersson, Arnason, Averbakh, Azmaiparashvili, Bagirov, Balashov, Beliavsky, Benjamin, Benko, Boleslavsky, Bronstein, Browne, R. Byrne, Chandler, Chekhov, Chernin, Christiansen, Ciocaltea, Dolmatov, Dorfman, Dreev, Dzindzichashvili, Ehlvest, Ermenkov, Estrin, Filip, Ftacnik, Gavrikov, Kiril Georgiev, Gheorghiu, Gipslis, Gufeld, Gulko, Huebner, Jansa, Jussupow, Kavalek, Keres, Kotov, Kupreichik, Lputian, Matanovic, Matulovic, P. Nikolic, Nogueiras, Nunn, Parma, Petursson, Piket, Psakhis, Razuvaev, Ribli, Am. Rodriguez, Rogers, Romanishin, Sax, Smejkal, Short, An. Sokolov, Sosonko, Speelman, Suba, Suetin, Sveshnikov, Szabo, Sznapik, Taimanov, Torre, Tseshkovsky, Tukmakov, Uhlmann, Unzicker, Van der Wiel, Yudasin.

The new Informant database software products - Chess Informant Reader 2.1+ and Chess Informant Expert Lite - bring additional value to the Chess Informants 1-40 in PGN format CD, as they have been specially designed to support both the PGN and CIR (Chess Informant Reader) format.