Here are some chess puzzles from the games of Karl Ahues. Black to move and win except where noted.
Solutions are between the brackets under each puzzle. Drag your cursor from one bracket to the other.
a) Black Mates in 3. Rosenthal vs Ahues, Hamburg, 1910 7r/ppq2pk1/2Pb1pp1/5b2/2Q5/1B1P1R2/PPP1N1Pr/5RK1 b - - 0 1 [ ...Bc5+ if Qxc5 Rxg2+ ]
b) Lajos Asztalos vs Ahues, Kecskemet, 1927 r3br1k/1pp4p/pnn1R1pN/5p2/1b1P1B2/8/PPBN1PPP/R5K1 b - - 0 1 [ ...Nd5 (if ...Nxd4 Be5+ mates) ]
c) Dawid Przepiorka vs Ahues, Kecskemet, 1927 3r3k/p4qpp/1p6/2P1Q1n1/2P2N2/6P1/PR3P1P/7K b - - 0 1 [ ...Rd1+ Kg2 Rg1+ ]
d) Gerhard Weissgerber vs Ahues, Bad Pyrmont, 1933 r2q1rk1/1p3ppp/2b5/8/p1P1n3/4R3/PPQ1BPPP/4K1NR b - - 0 1 [ ...Qa5+ if Rc3 Nxc3 w/Bxg2 or if Kd1 Nxf2+ ]
e) Bjorn Nielsen vs Ahues, Bad Niendorf, 1934 1r3rk1/2b3p1/ppp5/2p1n3/4PPbp/1PN1B1P1/P1P1N2K/3R1R2 b - - 0 1 [ ...Bxe2 if Nxe2 Ng4+ ]
Ahues Puzzles, Part II. White to move and win except where noted.
a) White Mates in 4. Ahues vs Birger Rasmusson, Bad Niendorf, 1934 2r2rk1/1b3pp1/4p3/p3P1Q1/1pqP1R2/2P5/PP1B1K1P/R7 w - - 0 1
b) White Mates in 3. Ahues vs Gerhard Weissgerber, Germany, 1935 7R/5rp1/2p1r1k1/2q5/4pP1Q/4P3/5PK1/7R w - - 0 1
c) Ahues vs Efim Bogoljubow, Bad Nauheim, 1936 1n4k1/5p1p/p2Pp1p1/P1Q2P2/1pr1q3/6B1/1P4PP/5RK1 w - - 0 1 [ Qc7 ]
d) Black to move and win. Moehler vs Ahues, Bad Harzburg, 1946 3r1rk1/1pp3pp/p3b3/4n3/1P1Ppq2/P4P2/1Q1RB1PP/2R1N1K1 b - - 0 1 [ ...Ng4 if fxg4 Qf2+ mates or if Bxa6 Qxh2+ Kf1 exf3 or if g3 Qe3+ Kh1 Nf2+ Kg2 Bh3+ ]