In 1846, he lost a match against visiting master Lionel Kieseritzky, and another against Howard Staunton, losing 15.5–8.5.
He played in the first international chess tournament, London 1851, again beating Bird in the first round, but losing to Staunton in the second and József Szén in the third.
For a detailed analysis of this position, see here.Horwitz died in 1885 and was buried on the eastern side of Highgate Cemetery.
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