Stockfish
PGN
| Event | Marburger Schachtage 2025 |
| Site | Marburg GER |
| Date | 2025.10.19 |
| Round | 7.18 |
| White | Diedrichs, Ralf Christian |
| Black | Derr, Oleg |
| Result | 1/2-1/2 |
| WhiteElo | 1899 |
| BlackElo | 2116 |
| ECO | B22 |
| Opening | Sicilian Defense: Alapin Variation, Smith-Morra Declined |
| PlyCount | 73 |
Moves
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.Bc4 Nb6 7.Bb3 d5 8.exd6 Qxd6 9.cxd4 Be6 10.Bxe6 Qxe6+ 11.Be3 Nd5 12.Qd2 g6 13.O-O Nxe3 14.fxe3 Bh6 15.Re1 Rd8 16.Nc3 O-O 17.Qf2 Qf6 18.Rad1 Bg7 19.Qe2 Qf5 20.a3 Qa5 21.Rf1 a6 22.Rc1 h6 23.Ne4 e5 24.Nc5 Qb6 25.dxe5 Nxe5 26.Nxe5 Bxe5 27.b4 h5 28.Rf2 Qc7 29.h3 Qe7 30.Rcf1 Bd6 31.Nd3 Rde8 32.Rf3 a5 33.bxa5 Bxa3 34.Qa2 Bd6 35.Kh1 Qe4 36.Rxf7 Qe6 37.Rxf8+ 1/2-1/2
