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Postma, Jan
(1668) -
Siero, Paul
(1179) -
Leiden SB-ch
(7), Leiden, 2009
1-0
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Other games by White
Postma - De Leur (Leiden, 2011.
Geertsma - Postma (Leiden, 201.
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Other games by Black
Otto - Siero (Leiden, 2009)
Siero - Aalbers (Leiden, 2003)
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Siero - Van Duijkeren (Haarlem.
Siero - BYE2 (Leiden, 2006)
Zwinkels - Siero (Leiden, 2006.