Interessanterweise hat das PC-Programm "SOS 5.1 for Arena" hier einen Programmfehler. Es wird nur Txg5 ?? in Betracht gezogen (-3.48)
Es kommt sogar noch schlimmer: SOS findet hier nicht einmal ein
einzügiges Matt. (siehe 2. Variante)
[Event "Computer Schach Partie"]
[Site "TOSHIBA"]
[Date "2016.07.24"]
[Round "?"]
[White "SOS 5.1"]
[Black "SOS 5.1"]
[Result "*"]
[BlackElo "2400"]
[Time "23:44:37"]
[WhiteElo "2400"]
[TimeControl "300"]
[SetUp "1"]
[FEN "6Q1/7p/7k/3R2p1/2K2p2/6r1/8/8 w - - 2 63"]
[Termination "unterminated"]
[PlyCount "6"]
[WhiteType "human"]
[BlackType "human"]
63. Rxg5 Rxg5 64. Qf7 f3 65. Kd4 f2 *
[Event "Computer Schach Partie"]
[Site "TOSHIBA"]
[Date "2016.07.24"]
[Round "?"]
[White "SOS 5.1"]
[Black "wom"]
[Result "1-0"]
[BlackElo "2000"]
[Time "23:44:37"]
[WhiteElo "2400"]
[TimeControl "300"]
[SetUp "1"]
[FEN "6Q1/7p/7k/3R2p1/2K2p2/6r1/8/8 w - - 2 63"]
[Termination "normal"]
[PlyCount "6"]
[WhiteType "human"]
[BlackType "human"]
63. Qf7 {vorgegeben} Rg1 64. Rxg5 {??} (64. Rd6#) 64. .. Rxg5 65. Kd4 f3
1-0