Neo-Grünfeld, 6.0-0 Notation: 1 .d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 dxc4
In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023