Stockfish
PGN
| Event | World U20-ch11 Final B |
| Site | Athens |
| Date | 1971.08.02 |
| Round | 1 |
| White | Piasetski, Leon |
| Black | Dieks, Roy |
| Result | 1/2-1/2 |
| ECO | B51 |
| Opening | Sicilian Defense: Moscow Variation |
| PlyCount | 163 |
Moves
1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 cxd4 5.Qxd4 Nf6 6.O-O g6 7.e5 dxe5 8.Nxe5 Bg7 9.Rd1 O-O 10.Nxd7 Bxd7 11.Bxd7 Nxd7 12.Qxd7 Qxd7 13.Rxd7 Rad8 14.Rxd8 Rxd8 15.Nd2 Bh6 16.Nf1 Rd1 17.Bxh6 Rxa1 18.a3 Rb1 19.b3 Rb2 20.g3 Rxc2 21.a4 f6 22.Be3 b6 23.h4 e5 24.Nd2 Kf7 25.Kf1 a6 26.Ne4 Rb2 27.Bxb6 Rxb3 28.a5 Ke7 29.Nc5 Rb1+ 30.Ke2 Kd6 31.Nxa6 Kc6 32.Nc7 Rb3 33.Ne8 f5 34.Nf6 h5 35.Nh7 Rb2+ 36.Kf3 Rd2 37.Be3 Ra2 38.Bb6 Rd2 39.Ke3 Rd7 40.Ng5 Rd5 41.Nf7 Kb5 42.Ke2 Kc6 43.Ng5 Rd6 44.Nf3 Rd5 45.Ne1 Kb5 46.Nf3 Kc6 47.Nd2 Kb5 48.Kd1 Kc6 49.Kc2 f4 50.gxf4 exf4 51.Nf3 Kb7 52.Kc3 Rd1 53.Kc4 Ka6 54.Nd4 g5 55.hxg5 h4 56.Nf3 h3 57.Bd4 Rg1 58.Nxg1 h2 59.f3 h1=Q 60.g6 Qh5 61.g7 Qb5+ 62.Kc3 Qxa5+ 63.Kd3 Qf5+ 64.Kd2 Qd5 65.Ne2 Kb7 66.Ke1 Kc6 67.Nxf4 Qxd4 68.g8=Q Qxf4 69.Qe6+ Kc5 70.Ke2 Kd4 71.Qb6+ Ke5 72.Qc5+ Kf6 73.Qc6+ Ke5 74.Qc3+ Kf5 75.Qc8+ Ke5 76.Qe8+ Kf6 77.Qh8+ Kf5 78.Qh5+ Qg5 79.Qh7+ Qg6 80.Qh3+ Kf4 81.Qh2+ Kf5 82.Qh3+ 1/2-1/2
