### Here are some chess puzzles from the games of Daniel Yanofsky.The color disk on the diagram indicates who moves first.

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

a)
Daniel Yanofsky vs Oleg Neikirkh, Buenos Aires, 1939
3r2k1/7p/5pp1/P2q4/3Q4/7P/6P1/4R1K1 w - - 0 1
[ Re8+ if Kf7 Rxd8 ]

b)
Daniel Yanofsky vs James Aitken, Hastings, 1947
3r2k1/1p5p/6p1/p2q1p2/P1Q5/1P5P/1P6/5RK1 w - - 0 1
[ Rd1 ]

c)
Daniel Yanofsky vs Andrew Thomas, Hastings, 1953
5k2/1b2bpp1/p2B4/1rp3p1/2Np4/1P1P3P/2P2PPK/R7 w - - 0 1
[ Re1 if Bxd6 Nxd6 Rb6 Re8# ]

d)
Daniel Yanofsky vs Lajos Portisch, Munich, 1958
r4rk1/4q2p/4p1p1/p2nN1N1/1ppPpPPQ/2P4R/PP5P/6K1 w - - 0 1
[ Nxg6 ]

e)
Bjorn Thorsteinsson vs Daniel Yanofsky, Tel Aviv, 1964
r6k/3nb2p/p2q2p1/1p5n/3ppB2/P6P/BPP1QRP1/5R1K b - - 0 1
[ ...Qxf4 Rxf4 Ng3+ Kh2 Nxe2 if Rxe4 Bd6+ ]

1e)
Bjorn Thorsteinsson vs Daniel Yanofsky

Daniel Yanofsky Puzzles, Part II.
The color disk on the diagram indicates who moves first.
a)
Daniel Yanofsky vs Isaac Aloni, Tel Aviv, 1966
r4rk1/p1p1bppp/1p2p3/3q2B1/3P2n1/3BQ3/PPP2PPP/3R1RK1 w - - 0 1
[ Qh3 if Nf6 Bxf6 ]

b)
Daniel Yanofsky vs Gyorgy Szilagyi, Tel Aviv, 1966
r1r3k1/5pbp/3p2p1/p2Qp1Pn/Pq2P3/1pP1BP2/1P2N2P/2KR3R w - - 0 1
[ Qxa8 ]

c)
Daniel Yanofsky vs Zadok Domnitz, Nethanya, 1969
4r1k1/6bp/pp1qr1p1/2p5/2P3P1/5Q1P/PPB3K1/4RR2 w - - 0 1
[ Qf7+ Kh8 Qxe8+ ]

d)
Daniel Yanofsky vs Milko Bobotsov, Siegen, 1970
3r2k1/7p/p1bbR1p1/3p2Nn/1p1B4/3B4/PPP3PP/7K w - - 0 1
[ Bxg6 hxg6 Rxg6+ w/Ne6+ or Nf7 ]

e)
Nigel Fullbrook vs Daniel Yanofsky, Edmonton, 1979
r2q1r1k/3bb1np/p2pp1pQ/1p2n1P1/3BPN2/1BN5/PPP4P/R4RK1 b - - 0 1
[ ...Rxf4 (if ...Bxg5 then Nxg6+) if Rxf4 Bxg5 ]

f)
John Pajak vs Daniel Yanofsky, Edmonton, 1979
1r4k1/p3p2r/6p1/2PP1pN1/q3pPn1/8/P3Q1RP/3R2K1 b - - 0 1
[ ...Rb2 if Rd2 Rb1+ or if Qe1 Rxg2+ Kxg2 Qxd1 w/...Ne3+ ]

2c)