More Blunders

BOTH my Sunday games at the 70th Hampstead U2200 were decided by ridiculous blunders.

White to make his 15th move in the round-four game Alex Leslie (1763/167) - Spanton (1890/171)

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15.Qd2?? g5 (0-1, 25moves)
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It was my turn to blunder in round five, and in a not dissimilar way.

White to make his 18th move in Spanton (1890/171) - Jonathan Rubeck (1822/167)

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18.c3?? h6 (0-1, 39 moves)
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My final score of +2=1-2 was an ECF grading performance of 167.8, and cost me 8.2 Fide rating points.