Failure to defend
Here my partop (partner's opponent) wasted a number of moves with ineffective one-move attacks. This is how it ended. I can sit and my partop has no recourse: Black's first attack is easily repelled. Here he played @e4 threatening to take f3. White would have to recapture with the g-pawn leaving a weakness on h3 or recapture Rxf3 or Qxf3 leaving his rook or the queen exposed. White plays fxe then Bxe4, Nxe4 Bxe4, @f3: Here Black has played Nf5. White makes the mistake of playing Qxe6 instead of the e-pawn. Black play B@f7. Now White cannot retreat the queen and defend the e-pawn. Nxe6 is not serious because of the loss of the pawn, but because of the proximity of the White king: Again, White attacks instead of defending. He plays Bxc7 and Black plays Qxd4: Black gets in @e2. Again White fails to defend and plays Ne7+, another one-move threat: The partop plays @c3, ignoring exfQ+: Black has won a rook for a pawn and is rea...