Stockfish
PGN
| Event | London Classic Open 2015 |
| Site | London ENG |
| Date | 2015.12.08 |
| Round | 6.63 |
| White | Williamson, R |
| Black | Vachtfeidl, P |
| Result | 1-0 |
| WhiteElo | 2172 |
| BlackElo | 1983 |
| ECO | D91 |
| Opening | Grünfeld Defense: Three Knights Variation, Petrosian System |
| PlyCount | 73 |
Moves
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 Ne4 6.Bf4 Nxc3 7.bxc3 c5 8.cxd5 cxd4 9.cxd4 Qxd5 10.e3 Nc6 11.Be2 O-O 12.O-O Bf5 13.Nh4 Bd7 14.Nf3 Bf5 15.Nh4 Bd7 16.Bg3 Rac8 17.a4 Na5 18.Rb1 Rc3 19.Rb4 Rfc8 20.Qb1 Rb3 21.Rxb3 Qxb3 22.Bb5 Bxb5 23.axb5 Rc2 24.h3 Rb2 25.Qe4 Bf6 26.Bb8 Qxb5 27.Bxa7 Qc6 28.d5 Qc4 29.Qxc4 Nxc4 30.Nf3 b5 31.Rc1 Kg7 32.e4 Nd2 33.Nxd2 Rxd2 34.Be3 Rb2 35.f4 Rb3 36.Bf2 Bc3 37.Rxc3 1-0
