Here are some chess puzzles from the games of Gideon Stahlberg.
White 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)
White Mates in 6. Stahlberg vs Ejnar Andersen, Copenhagen, 1934
1n1rnrk1/R4p1p/1q1p3Q/2pP1P2/4B3/2p4P/1P3PP1/R5K1 w - - 0 1
[ f6 Nxf6 Qg5+ ]

b)
White Mates in 4. Stahlberg vs Andor Lilienthal, Moscow, 1935
3kn3/p1p2Rp1/1p2q3/7p/7P/5QP1/P6K/8 w - - 0 1
[ Qa8+ w/Qd5+ & Qg5+ ]

c)
Stahlberg vs Lajos Steiner, Podebrady, 1936
r7/p2P3k/7p/2N3p1/P1p5/8/1r3PPP/4RK2 w - - 0 1
[ Re8 Rbb8 Rxb8 Rxb8 Ne6 ]

d)
White Mates in 4. Stahlberg vs Moishe Lowcki, Jurata, 1937
8/Q7/5pkp/2n1q3/8/1B5P/5PP1/6K1 w - - 0 1
[ Qf7+ if Kf5 Qh5+ or if Kg5 Qg8+ ]

e)
Stahlberg vs Ernst Rojahn, Buenos Aires, 1939
r2r3k/p2q1p2/1p1p2p1/3N1nQ1/2Pp3P/3P3P/PP5K/4RR2 w - - 0 1
[ Rxf5 ]

Stahlberg Puzzles, Part II. White to move and win.
a)
Stahlberg vs Sonja Graf-Stevenson, Mar del Plata, 1941
3R4/p3Bp1p/bp3Ppk/2p1n3/8/8/P5PP/6K1 w - - 0 1
[ Rd5 if Nc6 Bf8# ]

b)
Stahlberg vs Hector Rossetto, Mar del Plata, 1944
5r1k/p3q2p/5p2/1p1b4/3Bp3/1p1nP1Q1/P2R2PP/5RK1 w - - 0 1
[ Rxf6 if Rxf6 Qg5 ]

c)
Stahlberg vs Renato Sanguinetti, Mar del Plata, 1947
1rb2r2/3nN2k/1p1p3p/2pP1p1n/1PP1p3/7P/1B3PP1/R3RBK1 w - - 0 1
[ Ra7 if Rb7 Nxc8 or if Bb7 Nc6 ]

d)
Stahlberg vs Haije Kramer, Amsterdam, 1950
1n6/4bk2/1p2p3/1B1pP1p1/3P2P1/BP6/K7/8 w - - 0 1
[ Bd6 ]

e)
Stahlberg vs Cenek Kottnauer, Budapest, 1952
6k1/1q3ppp/ppn1p3/8/P3P3/2PQN3/1r3PPP/R5K1 w - - 0 1
[ Nc4 Rb3 Qc2 Na5 Nd2 ]



Stahlberg Puzzles, Part III. White to move and win except where noted.
a)
Stahlberg vs Jaroslav Jezek, Marianske Lazne, 1956
1rbqr2k/1p3nbp/pN1p2p1/Pn1P1p2/1BN2P2/3QP1PP/2R3BK/2R5 w - - 0 1
[ Ne5 ]

b)
Stahlberg vs Wolfgang Uhlmann, Moscow, 1956
q6k/pQn2rbp/1p2p3/2p1Pp1N/P4P2/1P2P2P/5BRK/8 w - - 0 1
[ Qxa8+ if Nxa8 Bh4 ]

c)
Stahlberg vs C Buttevill, Moscow, 1956
1qr1rnk1/3b2p1/pBnP1p1p/1p2p3/1P2B3/P3QN2/5PPP/2RR2K1 w - - 0 1
[ Bc7 if Qb7 Qc3 ]

d)
White Mates in 3. Stahlberg vs A Westol, Moscow, 1956
6qk/4rRn1/1p3NQp/p3P3/8/1P2b2P/PB4PK/3r4 w - - 0 1
[ Qh7+ ]

e)
Stahlberg vs Roman Toran Albero, Beverwijk, 1957
3R4/5pNk/4bK2/7p/4p1Pp/4P3/5P2/6r1 w - - 0 1
[ Nxe6 fxe6 g5 if Rf1 g6+ mates or if Rg2 Rd7+ w/f4 ]

Stahlberg Puzzles, Part IV. White to move and win except where noted.
a)
Stahlberg vs V Olofsson, Gothenburg, 1957
1rb5/1p1n1pbk/p1pprnpp/4p3/1qPPP3/2N1BNPP/3Q1PB1/R3R1K1 w - - 0 1
[ d5 if Re7 Ra4 Qb3 Rb1 ]

b)
Stahlberg vs Jan-Heim Donner, Wageningen, 1957
4q1k1/2p1rp2/2R2Qp1/3P3p/1p2P1N1/1P4P1/r4PKP/8 w - - 0 1
[ Nh6+ Kh7 Nf5 if gxf5 Qxf5+ mates ]

c)
White Mates in 5. Stahlberg vs Jens Enevoldsen, 1960
4r1k1/1n2pp1p/r1Np2p1/1p1P4/1P1QP3/2R3Pq/5P1P/2R3K1 w - - 0 1
[ Nxe7+ if Rxe7 Rc8+ or if Kf8 Rc7 ]

d)
Stahlberg vs Tan Hong Ghee, Beverwijk, 1963
3r2k1/p4pp1/1p6/5NPp/1r1p4/5B2/P3PPK1/3R4 w - - 0 1
[ Ne7+ ]

e)
Stahlberg vs Eldis Cobo Arteaga, Havana, 1964
r6k/5Qbp/p2n2p1/1p2p3/4P3/q6P/5BP1/2R2R1K w - - 0 1
[ Qd5 w/Bc5 ]



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