Stockfish
PGN
| Event | 7th Philadelphia Open |
| Site | Philadelphia USA |
| Date | 2013.03.27 |
| Round | 1 |
| White | Williams, Justus |
| Black | IM Mandiza, F |
| Result | 0-1 |
| WhiteElo | 2188 |
| ECO | A04 |
| Opening | Zukertort Opening: Queen's Gambit Invitation |
| PlyCount | 54 |
Moves
1.Nf3 e6 2.c4 f5 3.g3 Nf6 4.Bg2 c6 5.d3 Be7 6.O-O O-O 7.Nbd2 d6 8.e4 fxe4 9.dxe4 e5 10.c5 Nbd7 11.cxd6 Bxd6 12.Nc4 Bc7 13.Qc2 Qe8 14.b3 Qh5 15.Ba3 c5 16.Ne3 b6 17.h3 Bb7 18.g4 Qe8 19.Qc4+ Kh8 20.Ng5 Nb8 21.Ne6 Rf7 22.Ng5 Rd7 23.Rfd1 Ba6 24.Qe6 Re7 25.Qf5 Bc8 26.Qf3 h6 27.Nd5 hxg5 0-1
