Here are some puzzles taken from the chess games of strong players of
the early 20th century. All puzzles are "White to Move and Win".

a) http://wtharvey.com/e1928a.png E Verner Nielsen vs Eigil Hansen,
Copenhagen, 1928 rb2k2r/pb3p2/np1ppq1p/1Np1N3/2PP1PB1/4P3/PP4PP/R2Q1RK1
w - - 0 1

b) http://wtharvey.com/e1928b.png Aaron Nimzowitsch vs Rudolf
Spielmann, Bad Kissingen, 1928
r1b1rnk1/pp3ppp/2q5/3N3R/4N3/4PP2/PPQ3P1/2KR4 w - - 0 1

c) http://wtharvey.com/e1928c.png Panov vs Zubarev, Moscow, 1928
2bb1r1k/4r3/1pn1p1pq/p1ppPpNp/3P1N1P/P1PB2P1/1P1Q1PK1/3R3R w - - 0 1

d) http://wtharvey.com/e1928d.png J Platz vs Walter, Karlsruhe, 1928
2r4R/2r1kpB1/pp6/4nQ2/8/8/P3q1PP/5R1K w - - 0 1

e) http://wtharvey.com/e1928e.png C Portela vs V Fernandez Coria,
Buenos Aires, 1928 r2qkb1r/ppp2ppp/1nn5/4p3/2B3b1/3P1N2/PPP2PPP/RNBQR1K1
w - - 0 1

Solutions are posted at the top of http://wtharvey.com/prodex.html

WH