One of my rare chess games, never played in a chess club. I was 17.
[pgn][Event "Simultan"]
[Site "The Hague"]
[Date "1968.02.08"]
[White "IM Hans Ree"]
[Black "Ed Schroder"]
[Result "1/2-1/2"]
[BlackElo ""]
[WhiteElo ""]
1.d4 {0.20/20} f5 {-0.66/20} 2.Nf3 {0.57/20} e6 {-0.62/20} 3.g3 {0.54/20} Nf6 {-0.55/20} 4.Bg2 {0.44/20} d5 {-0.50/20} 5.O-O {0.49/20} Ne4 {-0.52/20} 6.c4 {0.61/20} Bd6 {-0.54/20} 7.Nc3 {0.73/20} c6 {-0.75/20} 8.Ne5 {0.40/20} O-O {-0.73/20} 9.f3?! {-0.30/20} Nxc3 {0.11/20} 10.bxc3 {0.13/20} Bxe5 {0.00/20} 11.dxe5 {0.24/20} Nd7 {-0.23/20} 12.cxd5?! {-0.37/20} cxd5 {-0.51/20} 13.f4 {0.00/20} Nc5 {-0.59/20} 14.Kh1?! {-0.61/20} b6 {0.00/20} 15.a4 {-0.92/20} Bb7 {0.52/20} 16.Be3 {-0.58/20} Ne4?! {0.02/20} 17.Bd4 {0.05/20} Qc7 {-0.05/20} 18.Qb3?? {-2.48/20} Ba6 {0.48/20} 19.Qb2 {-0.40/20} Bc4 {0.23/20} 20.Rfe1 {-0.65/20} Rab8 {0.27/20} 21.Bf3 {-0.45/20} b5 {1.03/20} 22.axb5 {-0.25/20} Rxb5?! {0.30/20} 23.Qa3?! {-0.78/20} a5 {0.50/20} 24.Reb1 {-0.25/20} Rfb8 {0.24/20} 25.Rxb5?! {-0.82/20} Rxb5 {0.89/20} 26.Kg2 {-0.97/20} Rb3?! {0.00/20} 27.Qxa5 {0.00/20} Qxa5 {0.00/20} 28.Rxa5 {0.00/20} Nxc3?! {-0.57/20} 29.Ra8+ {0.40/20} Kf7 {-0.63/20} 30.e3 {0.00/20} Rb2+ {0.00/20} 31.Kg1 {0.00/20} Rb1+ {0.00/20} 32.Kg2 {0.00/20} Rb2+ {0.00/20} 33.Kg1 {0.00/20} 1/2-1/2[/pgn]
A double surprise, the new rising star Hans Ree (Dutch champion and later GM) blundered with 18.Qb3 and now 52 years later I am amazed why I did not saw (or dared) the logical 18...Nd2
Will release the new util soon so you can analyze your own games (or engine games) yourself.