Discoveries (theoretical novelties) in c57 Fritz variation (two knights defence), changing appraisal of its very important systems, are present in this investigation.

Summary of analysis (author's novelties are marked by symbol "AN")

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 6.d6 Qxd6 7.Bxf7 Ke7 8.Bb3 Nxb3 9.axb3 h6 10.Nf3 e4 11.Nh4 Kf7 12.f3!!AN

Addition to paragraph 1:

After publishing of Part 1 of my investigation about the new strong and important gambit (called as “Nh4-Bukayev gambit”) I have discovered, that in some cases white has also the following very strong plan! It is white’s very strong attack (with a sacrifice of its knight on h4), when the move f3xe4 is impossible. For example:

12…Qe7 13.0-0! e3! 14.dxe3! (This my new idea is really not easy for discovering as very strong idea.) 14…g5 15.e4 gxh4 16.Re1 (with the idea e4-e5!). White stands better.

Author: Y.Bukayev