Here are some chess puzzles from the games of 1912.
White to move and win except where noted.

Solutions are between the brackets under each puzzle.
Drag your mouse from one bracket to the other.

a)
White Mates in 3. Gregory vs Kjell Krantz, Breslau, 1912
8/5p2/3Qbkr1/pp4N1/8/6P1/PPq2P1P/3R2K1 w - - 0 1
[ Qd4+ ]

b)
White Mates in 5. Karel Hromodka vs K Rausch, Vilnius, 1912
8/8/8/8/4K3/8/3Q1p2/6k1 w - - 0 1
[ Kf3 ]

c)
White Mates in 5. Aaron Nimzowitsch vs Simon Alapin, Vilnius, 1912
r1b1k2r/1p2bppp/p1n2q2/8/8/5B2/PPPQ1P1P/2KRR3 w - - 0 1
[ Bxc6+ ]

d)
White Mates in 5. Karoly Sterk vs Frank J Marshall, Bad Pistyan, 1912
6k1/1pp1rpp1/1b4Pn/pP2p2Q/P1B5/r1PP4/6RP/4R2K w - - 0 1
[ Qxh6 ]

e)
White Mates in 6. Richard Reti vs Oldrich Duras, Abbazia, 1912
r2qr1k1/pp1n2p1/5p2/2PpB2Q/3P4/2P2N2/P5PP/5RK1 w - - 0 1
[ Ng5 ]

1912 Puzzles, Part II. White to move and win except where noted.
a)
White Mates in 7. Edward Lasker vs George Thomas, London, 1912
rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w - - 0 1
[ Qxh7+ ]

b)
White Mates in 10. Hartlaub vs Testa, Bremen, 1912
rn3rk1/pppq1ppp/3p4/4n3/2BQ4/8/PB3P1P/R5RK w - - 0 1
[ Rxg7+ ]

c)
H Baudet vs Strick Van Linschote, The Hague, 1912
5r1k/R2n2pp/1pq5/3pP3/3P1p2/3P1Q2/6PP/6BK w - - 0 1
[ Qg4 w/e6 ]

d)
Richard Reti vs Rudolf Spielmann, Abbazia, 1912
r1bq2rk/ppp4p/1n4nQ/3P1p1N/2BP4/8/PPP3PP/4RRK1 w - - 0 1
[ d6 if Nxc4 Re7 or if Qf8 Re8 ]

e)
Walter Von Holtzhausen vs Siegbert Tarrasch, Frankfurt, 1912
r1bqr1k1/pppnbppp/2np4/8/2BNP3/2N4P/PPP2PP1/R1BQR1K1 w - - 0 1
[ Bxf7+ w/Ne6 ]

1912 Puzzles, Part III. White to move and win except where noted.
a)
Richard Reti vs Sergey Frydmann, Abbazia, 1912
r1b2qrk/ppp4p/1n1P2nQ/5p1N/2BP4/8/PPP3PP/4RRK1 w - - 0 1
[ Re8 w/Nf6 ]

b)
Leonhardt vs NN, Hamburg, 1912
r1bqk2r/pp1nbppp/2pp3n/4p1N1/P1BPP3/8/1PP2PPP/RNBQK2R w - - 0 1
[ Bxf7+ w/Ne6 if Qa5+ Bd2 Qb6 a5 Qxb2 Bc3 traps the Q ]

c)
White Mates in 6. Sergey Von Freiman vs Oldrich Duras, Abbazia, 1912
r1b1k3/pppp3p/2n3pB/4P3/2B1N3/2P3pn/P1P3KP/5R2 w - - 0 1
[ Nd6+ ]

d)
Stephen Wood vs Oscar Muller, London CC Champ, 1912
r3q1r1/pp2nbpk/4p2p/2p1Pp1N/8/1P1PP1RQ/P1P3PP/2B2RK1 w - - 0 1
[ Rxg7+ ]

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