Here are some chess puzzles from the games of Leonid Yudasin. 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) Yudasin vs Josif Dorfman, Saratov, 1981 r4k2/4q1p1/p3p2r/2N1n2p/6nP/2Q5/PPP1N3/2KR3R w - - 0 1 [ Nd7+ if Nxd7 Qf3+ ]
b) Yudasin vs Lembit Oll, Ivano-Frankovsk, 1982 r3kb1r/1bqn1ppp/p7/4pN2/1p1BNn2/3B1Q2/PPP3PP/4RRK1 w kq - 0 1 [ Qxf4 0-0-0 (if exf4 Ned6+ mates) Qg3 g6 Ng5 w/Nxf7 ]
c) Yudasin vs Igors Zdanov, Leningrad, 1982 2r1knbr/2q1b3/7p/ppNpP1pN/1PnP2P1/2P1B3/7P/2RQ1RK1 w - - 0 1 [ Ng7+ Kd8 Rxf8+ Bxf8 Nge6+ ]
d) Yudasin vs Andrei Lukin, Leningrad, 1984 r1b2rk1/pp3ppp/8/3Np3/4Pb1Q/2BB2P1/PPP2q1n/1K1R2R1 w - - 0 1 [ Nf6+ ]
e) Yudasin vs Viktor Gavrikov, Lvov, 1984 8/4qpk1/3p2p1/1nr5/5Q1N/pPP2R2/PbKB4/8 w - - 0 1 [ Nxg6 ]
Yudasin Puzzles, Part II. White to move and win.
a) Yudasin vs Michal Krasenkow, Tallinn, 1988 8/4r2p/1N4p1/1k2np2/3B4/P5Pn/8/1K1R4 w - - 0 1 [ Nd5 ]
b) Yudasin vs Csaba Horvath, Budapest, 1989 2r3nk/1b3p1p/pp1Rr1p1/8/2q1PB2/2N3Q1/PP4PP/3R3K w - - 0 1 [ Be5+ f6 b3 ]
c) Yudasin vs Rene Olthof, Budapest, 1989 r1b1r1k1/p1q1n3/P4npp/1ppPpP2/8/NQP4P/1P3PP1/R3RBK1 w - - 0 1 [ d6+ if c4 Nxc4 ]
d) Yudasin vs Stellan Brynell, Leningrad, 1989 r1bq4/pp5k/2n2Q1p/bN1ppn2/3P4/6R1/2P2PPP/3K2NR w - - 0 1 [ Qg6+ Kh8 Nd6 ]
e) Yudasin vs Judit Polgar, Munich, 1991 7k/p2q3p/1p1pr1p1/3Q2P1/2P5/5R2/PP5P/6K1 w - - 0 1 [ Qa8+ ]
Yudasin Puzzles, Part III. White to move and win except where noted.
a) Yudasin vs Milorad Knezevic, Podolsk, 1991 5rk1/pbp1R1pp/2r2n2/2pp4/5N1B/1P6/P1P2PPP/R5K1 w - - 0 1 [ Ne6 if Rf7 Rxf7 or if Re8 Rxg7+ Kh8 Bxf6 Rexe6 Rxc7+ ]
b) Yudasin vs Alexander Chernin, Beer-Sheeva, 1993 3rrn2/1b1NbQpk/p1q1p2p/1p1n1p2/3P4/P2B2BP/1P3PPN/3RR1K1 w - - 0 1 [ Rxe6 if Qxd7 Bxf5+ Kh8 Rg6 or if Nxe6 Qxf5+ mates ]
c) White Mates in 3. Yudasin vs Susan Lalic, Sevilla, 1993 2rr3k/p4p1p/1p3NnB/5R1Q/3b4/P5P1/1q5P/4RK2 w - - 0 1 [ Bg7+ ]
d) Yudasin vs Ilan Manor, Tel Aviv, 1994 4r1kr/2R3pp/p4p2/qp1Nn3/3N4/bP5Q/P4PPP/R5K1 w - - 0 1 [ b4 if Qa4 or Bxb4 Nxf6+ mates ]
e) White Mates in 6. Yudasin vs Alexei Shirov, Ljubljana, 1995 n5R1/p2r1p2/3pqB1k/2p1pR1p/2P1P3/4P1PP/P2P1K2/8 w - - 0 1 [ Rxh5+ Kxh5 g4+ ]
Yudasin Puzzles, Part IV. White to move and win.
a) Yudasin vs Eugenia Chasovnikova, Mariehamn, 1997 1q1rkb1r/2R3pp/4bp2/1N1pn3/8/P2B2B1/5PPP/3Q1RK1 w k - 0 1 [ Bxe5 if fxe5 Qh5+ mates ]
b) Yudasin vs Igor Schneider, New York, 2005 1n4k1/R4p2/1np1r1p1/4p1P1/2P1N1K1/1P2N3/5P2/8 w - - 0 1 [ Nf6+ if Kg7 Rb7 ]
c) Yudasin vs Geoffrey Herman, Parsippany, 2006 1r2r1k1/p1qb1p1p/2p3p1/P1Q1pn2/2P5/2NP2P1/5PBP/1R3RK1 w - - 0 1 [ Nd5 if Qd8 Rxb8 w/Nf6+ ]