Here are some chess puzzles from the games of 1923.
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 2.
Lajos Steiner vs Albert Becker, Vienna, 1923
4rk2/2pQn2p/p4p2/1p2pN1P/4q3/2P3R1/5PPK/8 w - - 0 1
[ Rg8+ ]

b)
White mates in 3.
Max Euwe vs Lohr, Amsterdam, 1923
1rbk1r2/pp4R1/3Np3/3p2p1/6q1/BP2P3/P2P2B1/2R3K1 w - - 0 1
[ Rxc8+ Rxc8 Nxb7 ]

c)
White mates in 3.
Alexander Alekhine vs M Forester, Glasgow, 1923
r1b1k2r/2pp1ppp/pp2Pq2/b7/B2Q4/B1P5/P1P2PPP/R3K2R w - - 0 1
[ Bxd7+ if Kd8 Bc6+ ]

d)
White mates in 3.
George Koltanowski vs Arthur Dunkelblum, Antwerp, 1923
rn2kb1r/pp2pp1p/2p2p2/8/8/3Q1N2/qPPB1PPP/2KR3R w - - 0 1
[ Qd8+ Kxd8 Ba5+ ]

e)
White mates in 3.
Somers vs NN, London, 1923
r1bqkb1r/ppp1n3/3p1nNp/4pp1Q/2B1P3/3P4/PPP2PPP/R1B2RK1 w - - 0 1
[ Nxe5+ if Nxh5 Bf7# or if Ng6 Qxg6# ]

1b)
mate in 3
Max Euwe vs Lohr

1923 Puzzles, Part II.
White mates.
a)
White mates in 4.
Bjorn Frank vs J Willens, Amsterdam, 1923
r1r3k1/pp1q1p1p/4nBpQ/3pP3/1b5P/3B4/P1P3P1/R2K3R w - - 0 1
[ h5 if Bf8 Qxh7+ Kxh7 hxg6+ ]

b)
White mates in 5.
Aaron Nimzonwitsch vs Saviely Tartakower, Copenhagen, 1923
2R3rk/3P1p2/1b3p1P/5B2/5Pp1/6K1/8/8 w - - 0 1
[ Re8 if Bc7 h7 ]

c)
White mates in 5.
Alexander Alekhine vs Blau & Prils, Antwerp, 1923
1n2r3/2pq1k2/pb1pNpp1/3P4/5RP1/3Q3P/5P2/6K1 w - - 0 1
[ Rxf6+ if Kxf6 Qc3+ or if Ke7 Qxg6 ]

d)
White mates in 5.
George Renaud vs A Bertram, Paris, 1923
rn1q1r2/pb2n1p1/1p3Pk1/2bp2N1/3B3Q/P1N5/1P3PPP/R3K2R w - - 0 1
[ Qh7+ if Kxg5 h4+ Kg4 f3+ Kg3 Qxg7+ ]

e)
White mates in 5.
Blake vs Hooke, London, 1923
r2qkb1r/pppb2pp/2np1n2/5pN1/2BQP3/2N5/PPP2PPP/R1B1K2R w - - 0 1
[ Bf7+ Ke7 Qxf6+ if gxf6 Ne5# Kxf6 Nd5+ Ke5 Nf3+ Kxe4 Nc3# ]

2e)
mate in 5
Blake vs Hooke

1923 Puzzles, Part III.
White to move and win except where noted.
a)
White mates in 8.
Rudolf Spielmann vs Henri Weenink, Scheveningen, 1923
1r1k1r2/p1q3pp/3pR3/1ppQ1pPn/8/3P3P/PPPB2PK/4R3 w - - 0 1
[ Ba5 if Qxa5 Qc6 or if Rb6 Qa8+ Qc8 Qxa7 ]

b)
Richard Reti vs Evert Straat, Scheveningen, 1923
3rqr2/p4p1k/bp6/n1p1Pp2/7p/2PN1B1P/PP2Q2K/R2R4 w - - 0 1
[ Bb7 if Bxb7 Qh5+ mates or if Qe6 Bxa6 ]

c)
Polo vs Pasqualini, Ferrara, 1923
r1bqk1nr/pppnbppp/3p4/8/2BNP3/8/PPP2PPP/RNBQK2R w - - 0 1
[ Bxf7+ Kxf7 Ne6 if Kxe6 Qd5+ mates ]

d)
Richard Reti vs Karel Hromadka, Maehrisch-Ostrau, 1923
r5k1/1pqn1pbp/p1p3p1/P7/8/1P2N1P1/1BQ1PP1P/3R2K1 w - - 0 1
[ Nd5 if Qd6 Nf6+ ]

e)
Peter Romanovsky vs Fedor Dus Chotimirsky, Petrograd, 1923
r2r1k2/2nq2bQ/p2p1pB1/1p1b4/8/P4P2/6PP/2BRR2K w - - 0 1
[ Rxd5 if Nxd5 Bh6 mates ]

f)
Heinrich Wolf vs Rudolf Spielmann, Maehrisch-Ostrau, 1923
5r1k/3b2p1/p6p/1pRpR3/1P1P4/P4pPq/5Qn1/1B4K1 w - - 0 1
[ Qxf3 if Rxf3 Rc8+ mates ]

3c)
Polo vs Pasqualini

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