Solutions are between the brackets under each puzzle.
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White to move and win except where noted.
a) Black to move and win. Javier Campos Moreno vs Miguel Quinteros, San Pedro de Jujuy, 1981 r1b2rnk/1p4np/p2p1pp1/q1pP4/P2bPPPB/R1NB2NP/1P4K1/3Q3R b - - 0 1 [ ...g5 ]
b) Krzysztof Pytel vs Ignacy Nowak, Gdynia, 1982 2rqr1k1/pp1n1pbp/3pbnp1/2pN2B1/2P1PP2/2N5/PP1QB1PP/R4RK1 w - - 0 1 [ e5 ]
c) White Mates in 4. Giuseppe Laco vs Giulio Lagumina, Milan, 1985 r2qr1k1/1p3pP1/p2p1np1/2pPp1B1/2PnP1b1/2N2p2/PP1Q4/2KR1BNR w - - 0 1 [ Bxf6 if Qxf6 Rh8+ ]
d) Black Mates in 2. Maxim Dlugy vs Roman Dzindzichashvili, Canada, 1989 rn3k2/4ppbQ/pqp3p1/5b2/N1n4P/5P2/PPB3P1/2KR2NR b - - 0 1 [ ...Bxb2+ ]
e) White Mates in 3. Uwe Dietzinger vs Heike Vogel, Germany 1989 r1bqn1rk/1p1np1bp/p1pp2p1/6P1/2PPP3/2N1BPN1/PP1Q4/2KR1B1R w - - 0 1 [ Rxh7+ ]
E81 Puzzles, Part II. White to move and win except where noted.
a) Black Mates in 3. Juri Dovzik vs Gregory Canfell, Budapest, 1991 5rk1/pp2p2p/3p2pb/2pPn2P/2P2q2/2N4P/PP3BR1/R2BK1N1 b - - 0 1 [ ...Nd3+ ]
b) Black to move and win. Marina Costescu vs Vlastimil Nedela, Stockerau, 1991 r1r3k1/q2b1pbp/p2p1np1/2nPp3/Pp2P1P1/1P1BBPN1/2Q1NK1P/R6R b - - 0 1 [ ...Bh6 if Bxh6 Nxd3+ or if Bxc5 Rxc5 ]
c) Black to move and win. Timo Kurki vs Hannu Rahunen, corr., 1993 1rb2rk1/3nppbp/p2p1np1/q1p5/2PPP3/N1NBBP2/1PKQ2PP/3R3R b - - 0 1 [ ...Qb6 ]
d) White Mates in 4. Tim Ward vs J Solski, Eastpointe, 1993 r1bqr3/4pkbp/2p1N2B/p2nP1Q1/2pP4/2N2P2/PP4P1/R3K2R w - - 0 1 [ Qxg7+ Kxe6 Qg4+ ]
e) Henryk Dobosz vs Wera Spatz, Wuerzburg, 1993 rn2rbk1/pb1q3p/1ppp1p1P/2nPpNp1/2P1P1P1/2N1BP2/PP1Q4/R3KB1R w - - 0 1 [ b4 if Nca6 dxc6 or if cxd5 bxd5 Nca6 Bb5 ]
E81 Puzzles, Part III. White to move and win except where noted.
b) Josef Steinmacher vs Hans Brender, Hochenheim, 1994 r1bq1r2/1p3pbk/p2ppnpp/2pP4/2P1PPn1/2N1B3/PP1QBNPP/R3K2R w - - 0 1 [ Nxg4 Nxg4 Bxg4 Qh4+ Qf2 if Qxg4 h3 ]
c) Black Mates in 7. Francisco Faco vs F Dayan, Brazil, 1995 r2q1rk1/p6p/2p1b1p1/2b1Pp1n/2P5/2N2P2/PPQ1B1PP/3R1R1K b - - 0 1 [ ...Ng3+ hxg3 Qg5 ]
d) Primoz Soln vs Wolfgang Wuerschinger, Finkenstein, 1995 rnbq1rk1/ppp2pbp/3p1np1/4p1B1/2PPP3/2N2P2/PP4PP/R2QKBNR w - - 0 1 [ dxe5 dxe5 Qxd8 Rxd8 Nd5 ]