Solutions are between the brackets under
each puzzle.
Drag your cursor from one bracket to the other.
a) 
Sultan
Khan vs Olaf Olsen, Hamburg, 1930
r3r2k/pp3ppp/2pqnn2/3p1NQb/3P4/3B4/PPP2PPP/4RRK1
w - - 0 1
[ Rxe6 Qf8 Rxf6 ]
b) 
White
Mates in 6. Sultan Khan vs Vera Menchik, Scarborough, 1930
r1bq3k/pp2b2B/4p2p/3pP1p1/3P1Np1/2P5/PPQ3P1/5RK1
w - - 0 1
[
Ng6+ Kg7 Nf8 or Nxe7 ]
c) 
Sultan
Khan vs F Alexander, London, 1932
1r5k/pq4pb/1pp2r1p/1P1p1N2/3Q2P1/5B1P/P3P2K/B1R5
w - - 0 1
[ Nxg7 ]
d) 
Sultan
Khan vs Frederick Yates, London, 1932
b1r1rnk1/q3bppp/pp2p3/2pPP1PP/2P1N3/1P3B2/PB4Q1/3R1RK1
w - - 0 1
[ Nf6+ if Bxf6 gxf6 g6 Qd2 or if gxf6 gxf6 Ng6
hxg6 ]
e) 
Sultan
Khan vs Asmundur Asgeirsson, Folkestone, 1933
2b1r3/3n1p1p/p1Nb1nk1/3p2p1/N7/2B2PPB/PPR2K1P/8
w - - 0 1
[ Bxf6 if Kxf6 Na7 or if Nxf6 Bxc8 w/Ne7+ ]
Sultan Khan
Puzzles, Part II. Black to move and win.
a) 
Carl
Ahues vs Sultan Khan, Liege, 1930
8/p3N1pk/7p/2q4n/2p2p2/2Pr1P2/P5PP/1Q2RK2
b - - 0 1
[ ...Ng3+ hxg3 fxg3 w/...Qh5 ]
b)

Victor
Soultanbeieff vs Sultan Khan, Liege, 1930
b4rk1/4q3/3pp2p/p1p2rp1/P1Pn4/1PR1Q1PP/5P2/1N1B1RK1
b - - 0 1
[
...Rf3 Bxf3 (if Qd2 Qb7) Rxf3 if Qd2 or Qe1 Rxc3
]
c) 
Ejnar
Andersen vs Sultan Khan, Prague, 1931
5rk1/pbp3pp/1p2R3/2b2N2/2P4r/1P2B3/P5PP/5R1K
b - - 0 1
[ ...Rg4 Rf2 Rxf5 Bxc5 Rxf2 ]
d)

H
Christoffersen vs Sultan Khan, Prague, 1931
4r1k1/p6p/2p2npr/2P2p2/P1qP1Pn1/4pR2/4N1PP/1R2Q1BK
b - - 0 1
[
...Nf2+ Bxf2 exf2 w/...Ng4 ]
e) 
Savielly
Tartakower vs Sultan Khan, London, 1932
1r3nbr/1qp1k1p1/3p1b2/2p1pPNp/Q3P2P/P1N1B1P1/1PP5/2KR3R
b - - 0 1
[ ...c6 w/...Ra8 ]
f) 
George
Thomas vs Sultan Khan, London, 1932
6k1/1bp3p1/p2p3B/1p3q1n/6Q1/1P1P3P/1PP1r1P1/3RN1K1
b - - 0 1
[
...Qe5 if Nf3 Bxf3 or if Bd2 Rxd2 ]
g) 
William
Winter vs Sultan Khan, London, 1932
6k1/p4p1p/1p4pb/1P2p3/3nP3/P4PP1/1r2N1BP/4RK2
b - - 0 1
[ ...Nc2 ]