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Here are some chess puzzles from top rated games of 1977.
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)
White mates in 2.
Gert Ligterink vs Luben Popov, Amsterdam, 1977
3rkb2/2qp1pp1/p3P3/5P2/PprB4/8/P5QP/4R1K1 w - - 1 0
[ exf7+ ]
b)
White mates in 2.
Efim Geller vs Nino Kirov, Moscow, 1977
2r3k1/5R2/p4B2/1p1p2Np/7P/8/P3rPPK/8 w - - 1 0
[ Rh7 ]
c)
White mates in 2.
Artur Jussupow vs Elmar Magerramov, Moscow, 1977
8/pp4kn/1bp1Qq2/4p1p1/1PBP2Pn/P3B3/7R/7K w - - 1 0
[ Qg8+ Kh6 Rxh4# ]
d)
White mates in 2.
E Riabchonok vs Lev Psakhis, Volgograd, 1977
r1b2k2/4qpb1/p7/1p2pPNQ/6B1/3R4/PPP4P/2K5 w - - 1 0
[ Rd8+ ]
e)
Black mates in 2.
Walter Browne vs Anatoly Karpov, Las Palmas, 1977
8/6pp/8/5pk1/1R6/PP4PK/3rq2P/7Q b - - 0 1
[ ...Qg4+ Rxg4+ fxg4# ]
Chess puzzles from top rated games of 1977, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Black mates in 2.
Peter Biyiasas vs Nona Gaprindashvili, Lone Pine, 1977
8/5ppk/6np/2Q5/P1b2r1r/2P3R1/8/6K1 b - - 0 1
[ ...Rf1+ ]
b)
Black mates in 2.
Gennadi Zaichik vs Bukhuti Gurgenidze, Tbilisi/Sukhumi, 1977
4k1r1/2pp4/p3p3/1bQnP3/1pN5/1P3B2/P3K2R/2q3N1 b - - 0 1
[ ...Nf4+ ]
c)
White mates in 3.
Vladimir Savon vs Yuri Anikaev, Beltsy, 1977
Q7/2r2p1p/pk2p1p1/2p5/2P2q2/5B2/P7/K2R4 w - - 1 0
[ Rb1+ Ka5 Rb5+ ]
d)
White mates in 3.
Ivan Farago vs Istvan Csom, Budapest, 1977
1r2kn1Q/R4b2/3p2q1/2p3Bp/4p2P/4P1P1/5P1K/8 w - - 1 0
[ Re7+ Kd8 Rxf7+ ]
e)
White mates in 3.
Gyula Sax vs Predrag Ostojic, Budapest, 1977
4r1k1/p2r3p/1p3pnQ/5P2/6R1/8/qPP3PP/4R2K w - - 1 0
[ Rxg6+ ]
Chess puzzles from top rated games of 1977, pt. iii.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Arne Zwaig vs Julio Kaplan, Hastings, 1977
r4q2/p1p2pQp/1pP3p1/2n3k1/2P5/6P1/P4PBP/4R1K1 w - - 1 0
[ h4+ Kg4 Qe5 ]
b)
White mates in 3.
Peter Cleghorn vs David Strauss, Lone Pine, 1977
2k5/Q3np1p/1rPp1p1r/3Pp3/3q4/3B2P1/P4R1P/R5K1 w - - 1 0
[ Ba6+ ]
c)
White mates in 3.
Theodor Ghitescu vs Viktor Ciocaltea, Romania, 1977
1r4rk/7p/p2p1pnQ/1qpPpN2/4P1R1/R7/1P3PPK/8 w - - 1 0
[ Qxh7+ Kxh7 Rh3+ ]
d)
White mates in 3.
Eugenio Torre vs Bozidar Ivanovic, Vrsac, 1977
Q2q3r/4kpp1/p2R3p/1pr5/5B2/8/PPP2PPP/2K5 w - - 1 0
[ Qe4+ ]
e)
Black mates in 3.
Stefano Tatai vs Miguel Quinteros, Amsterdam, 1977
6k1/r4pP1/3p2pQ/p1pP4/RnP1q3/2B2P1P/1P4K1/4r3 b - - 0 1
[ ...Qe2+ Kg3 Rg1+ ]
Tactics you can use from wtharvey.com
Chess puzzles from top rated games of 1977, pt. iv.
The color disk on the diagram indicates who moves first.
a)
Black mates in 3.
Jaan Ehlvest vs Garry Kasparov, Moscow, 1977
7k/p5rp/5B2/3q4/P5Q1/8/5P1P/6K1 b - - 0 1
[ ...Qd1+ ]
b)
Black mates in 3.
Vladimir Bagirov vs Gennadi Kuzmin, Baku, 1977
4r1k1/8/3R2qp/1pBP3n/2b2p2/2P2R2/5KPP/2NQr3 b - - 0 1
[ ...Qc2+ if Qxc2 Rf1# ]
c)
Black mates in 3.
Nikolay Minev vs Peter Lukacs, Belgrade, 1977
6k1/R4p2/1p4p1/6r1/P3BP1p/7n/3r1P1P/5R1K b - - 0 1
[ ...Nxf2+ ]
d)
Black mates in 3.
Karl Robatsch vs Werner Hug, Biel, 1977
6k1/Qp5p/3pp1p1/8/2P1q3/5r1P/P3N3/3RnRK1 b - - 0 1
[ ...Rg3+ if Kf2 Rg2+ ]
e)
Black mates in 3.
Jan Smejkal vs Lothar Vogt, Leningrad, 1977
6rk/pp5p/2p4b/3p1P2/3P1n1K/1PNB4/P7/3R4 b - - 0 1
[ ...Rg2 ]
Chess puzzles from top rated games of 1977, pt. v.
The color disk on the diagram indicates who moves first.
a)
Black mates in 3.
Gyula Sax vs Ivan Radulov, Vrbas, 1977
8/2P2B1k/6p1/p2Nb3/8/5P1b/PP2r2P/2R4K b - - 0 1
[ ...Bg2+ ]
b)
Black mates in 3.
Alexey Kuzmin vs Alexey Mitenkov, Moscow, 1977
7k/ppp2r1p/4bbr1/4p2q/4Pp2/1PP2P2/P2NQBPP/R5RK b - - 0 1
[ ...Qxh2+ ]
c)
White mates in 4.
Albin Planinec vs Nino Kirov, Maribor, 1977
6rk/1b6/p5pB/1q2P2Q/4p2P/6R1/PP4PK/3r4 w - - 1 0
[ Bg7+ Kxg7 Qxg6+ Kf8 Qxg8+ ]
d)
White mates in 4.
Evgeny Vladimirov vs Andrei Kharitonov, Alma-Ata, 1977
r3r3/3nkp2/q1p1p1p1/p3P1P1/PbpB4/1P5R/2P2Q1P/3RN2K w - - 1 0
[ Qf6+ Nxf6 Bc5+ Bxc5 exf6+ ]
e)
White mates in 4.
Jorge Szmetan vs Oscar Panno, Argentina, 1977
1r3q2/n4k1p/2b2N2/2ppQ3/Pp4P1/1P2P3/1B4BP/7K w - - 1 0
[ Bxd5+ if Bxd5+ Qxd5+ Kg7 Ne8+ or if Kg6 Qh5+ ]
Chess puzzles from top rated games of 1977, pt. vi.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Arne Zwaig vs Milan Vukcevich, Hastings, 1977
3qr2k/2Q4p/3P2p1/1p6/5R2/8/P3bPBP/6K1 w - - 1 0
[ Qc3+ if Kg8 Bd5+ ]
b)
White mates in 4.
Gennadi Sosonko vs Albin Planinec, Ljubljana/Portoroz, 1977
r4r2/3p1kpQ/p1n4R/1ppN1p2/2P5/b2BP1P1/3q1PP1/1R3K2 w - - 1 0
[ Rf6+ Ke8 Qg6+ ]
c)
White mates in 4.
James Tarjan vs Rosendo Balinas, Manila, 1977
rn6/pb4kp/1q4r1/1p2N1Q1/2pPp3/2P1P3/P5PP/R4RK1 w - - 1 0
[ Qe7+ Kh6 Qh4+ Kg7 Rf7+ ]
d)
White mates in 4.
Leonid Shamkovich vs Larry Christiansen, Mentor, 1977
6r1/p5bk/4N1pp/2B1p3/4Q2N/8/2P2KPP/q7 w - - 1 0
[ Ng5+ hxg5 Qxg6+ Kh8 Qh5+ ]
e)
White mates in 4.
Juan Bellon Lopez vs Luben Popov, Wijk aan Zee, 1977
2N2k2/5ppp/p3pn2/3p4/2PQ4/1q4P1/4rPKP/8 w - - 1 0
[ Qc5+ Kg8 Ne7+ Kf8 Ng6 ]
King-pawn Opening Series
Chess puzzles from top rated games of 1977, pt. vii.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Evgeni Vasiukov vs Josef Pribyl, Zalaegerszeg, 1977
r1b1kb1Q/qp2pp2/p3n1p1/2nN2Pp/2B4P/7N/PPP5/2KRR3 w q - 1 0
[ Nc7+ Nxc7 Rxe7+ Kxe7 Qf6+ ]
b)
White mates in 4.
Jan Timman vs Jan-Hein Donner, Nijmegen, 1977
5k2/ppR1r2Q/3qb1p1/5pN1/8/P5P1/5P1K/8 w - - 1 0
[ Rc8+ if Re8 Qh6+ Ke7 Qg7+ ]
c)
Black mates in 4.
Mark Taimanov vs Florin Gheorghiu, Leningrad, 1977
4r1k1/6b1/3p3p/1rpP2p1/1pN1P3/5qBK/1PQ4P/R1N1R3 b - - 0 1
[ ,,,Bf6 if Ne3 h5 ]
d)
Black mates in 4.
Josef Augustin vs John Nunn, Moscow, 1977
8/4kp2/1p1p4/p1p1p3/4Pr2/1Q1PKP1b/PPP3r1/8 b - - 0 1
[ ...Bg4 if fxg4 Rgf2 ]
e)
Black mates in 4.
Alexei Suetin vs Mikhail Tal, Sochi, 1977
8/2Q2pk1/6p1/1P4K1/6P1/2p4r/5r2/8 b - - 0 1
[ ...c2 if Qe5+ f6+ Qxf6+ Rxf6 ]
Chess puzzles from top rated games of 1977, pt. viii.
The color disk on the diagram indicates who moves first.
a)
White mates in 5.
Lubomir Kavalek vs Hans Bohm, Wijk aan Zee, 1977
5r1k/pp5r/2p2qQ1/4pN2/8/1P5P/1PP3P1/3R2K1 w - - 1 0
[ Qxf6+ if Rxf6 Rd8+ ]
b)
White mates in 5.
Eugenio Torre vs Samuel Reshevsky, Amsterdam, 1977
r2qr1k1/3b2bR/3p1nP1/1ppP1pP1/p1P1pP2/P3B3/BP5Q/1K1R4 w - - 1 0
[ Rxg7+ Kxg7 Qh6+ Kg8 Rh1 ]
c)
White mates in 5.
Peter Lukacs vs Evgenij Ermenkov, Kecskemet, 1977
rq4k1/p4Npp/1p6/3QP3/2p5/b7/P5PP/5R1K w - - 1 0
[ Nd8+ Kh8 Rf8+ Bxf8 Nf7+ ]
d)
White mates in 5.
Jan Timman vs Arturo Pomar Salamanca, Las Palmas, 1977
r3r1k1/pq3p1p/4pQp1/1p6/2pP2N1/2P4R/PP3PbP/R5K1 w - - 1 0
[ Nh6+ Kf8 Nf5 if exf5 Rxh7 ]
e)
Black mates in 5.
Jay Whitehead vs Peter Biyiasas, Lone Pine, 1977
2kr4/1ppr1ppp/1b6/pP2p2n/P1b1P3/2P2PPq/2B3RP/RNB1Q2K b - - 0 1
[ ...Bf1 if Qxf1 Nxg3+ or if Qe2 Bxg2+ Qxg2 Rd1+ ]
Chess puzzles from top rated games of 1977, pt. ix.
The color disk on the diagram indicates who moves first.
a)
Gennadij Timoscenko vs Rafael Vaganian, Baku, 1977
r4r2/1p3pk1/p5p1/3p2N1/8/2P4Q/PPq2bP1/R4R1K w - - 1 0
[ Qh7+ Kf6 Qh4 if Rh8 Rxf2+ Qxf2 Nh7+ ]
b)
Albert Kapengut vs Semon Palatnik, Beltsy, 1977
1k2r3/1p3R2/2n5/pN1r3p/7P/1P6/8/1K4R1 w - - 1 0
[ Nc7 if Ne5 Rfg7 ]
c)
Ratmir Kholmov vs Albert Kapengut, Beltsy, 1977
5n2/2p2kp1/ppPp1p1p/3P1K1P/3P1BP1/P4P2/8/8 w - - 1 0
[ Bxd6 ]
d)
Predrag Ostojic vs Wlodzimierz Schmidt, Budapest, 1977
6k1/p4p1p/Bn4p1/2N1p3/P5b1/1P2P1P1/3rP3/2R3K1 w - - 1 0
[ Ne4 if Rb2 Nf6+ ]
e)
Jorge Szmetan vs Raimundo Garcia, Buenos Aires, 1977
2r3k1/1p3pqp/4b3/p1r5/P4R1Q/2N5/1P4PP/4R2K w - - 1 0
[ Rxe6 if fxe6 Rg4 ]
'Characteristic Puzzles in the Opening' series
Chess puzzles from top rated games of 1977, pt. x.
The color disk on the diagram indicates who moves first.
a)
Nino Kirov vs Nikola Padevsky, Bulgaria, 1977
r7/4r1kp/1pbq1p2/3p1Qp1/1N1P4/n3P1P1/5PBP/2R3K1 w - - 1 0
[ Rc6 Bxc6 Rxc6 if Qd7 Qxf6+ Kg8 Bxd5+ ]
b)
Knut Helmers vs Simon Webb, Copenhagen, 1977
3r4/4n1bk/1p2bp1p/p1p1ppBQ/P6N/2Pq2P1/1P3R1P/5RK1 w - - 1 0
[ Rd2 ]
c)
Attila Groszpeter vs Manuel Rivas Pastor, Groningen, 1977
r1b1r1k1/pp3pbp/6qB/2p1n3/4p3/1BP3Q1/PP1N1RPP/5RK1 w - - 1 0
[ Rxf7 if Nxf7 Bxf7+ or if Bxh6 Rf8+ mates ]
d)
Anthony Miles vs Jose Garcia Padron, Las Palmas, 1977
rn2kbnr/pbp2ppp/1p2p3/4N3/2Pq4/2NB4/PP3PPP/R1BQK2R w KQkq - 1 0
[ Nxf7 if Kxf7 Bg6+ ]
e)
Hans Ree vs Gert Ligterink, Leeuwarden, 1977
8/p1p5/1p1p4/3Pk2p/2Pp1r1P/1P3PK1/P7/3R4 w - - 1 0
[ Re1+ Kf5 Re8 ]
Chess puzzles from top rated games of 1977, pt. xi.
The color disk on the diagram indicates who moves first.
a)
Michael Tseitlin vs Alex Yermolinsky, Leningrad, 1977
7r/Qp1kbp1p/4p1p1/3p4/2r2B2/5R2/PqP2PPP/4R1K1 w - - 1 0
[ Rb3 if Qxc2 Rxb7+ ]
b)
Bruno Parma vs Gyozo Forintos, Maribor, 1977
3r2k1/ppq2ppp/4pn2/2n3N1/3R4/2P3NP/PP2QPP1/6K1 w - - 1 0
[ Qe5 ]
c)
Svetozar Gligoric vs Jose Garcia Padron, Montilla, 1977
8/p2n2p1/4k2p/2Q5/8/5BPP/Pr1r1P2/6K1 w - - 1 0
[ Bg4+ if Kf6 Bxd7 Rxd7 Qc3+ or if Kf7 Bxd7 Rxd7 Qf5+ Ke8 Qe5+ ]
d)
Gennadi Kuzmin vs Miguel Quinteros, Polanica Zdroj, 1977
2r5/6k1/3p3p/1p1Pn3/1P2QpPP/3B1P2/8/3qNK2 w - - 1 0
[ Qh7+ if Kf8 Qh8+ or if Kf6 Qf5+ ]
e)
Lubomir Kavalek vs Boris Spassky, Solingen, 1977
r2q1rk1/2p2p2/1bN1bn1p/p4Qp1/P3p3/6B1/1P3PPP/RN3RK1 w - - 1 0
[ Qe5 Nd7 Nxd8 Nxe5 Nxe6 ]
Chess puzzles from top rated games of 1977, pt. xii.
The color disk on the diagram indicates who moves first.
a)
Aivars Gipslis vs Iivo Nei, Tallinn, 1977
3b4/1b1k2qp/p2p4/3P4/2PP2r1/1P2Q2p/1P3R1K/4N3 w - - 1 0
[ Qe6+ Kc7 Rf7+ ]
b)
Boris Gulko vs Axel Ornstein, Tallinn, 1977
1n4k1/3p3p/p2bp2q/4N3/B7/P7/1P2Q1PP/2r2R1K w - - 1 0
[ Qg4+ if Qg7 Rxc1 or if Kh8 Nf7# ]
c)
Anthony Miles vs Gennadi Sosonko,, Tilburg, 1977
r3k2r/p5pp/1pb1p3/2P2p2/3P4/5N2/P2K1PPP/1RR5 w kq - 1 0
[ cxb6 Bxf3 b7 if Rb8 Rc8+ ]
d)
Adrian Mihalcisin vs Alexander Beliavsky, URS, 1977
2r1r1k1/1q4bp/p1b1p1p1/1p2p1P1/4P3/3N2QB/PPP4P/1KRR4 w - - 1 0
[ Nc5 if Qf7 Rf1 Qe7 Bxe6+ ]
e)
Larry Christiansen vs Peter Biyiasas, Columbus, 1977
4r1k1/pp3p2/3P1Bpp/8/2p5/2Nr4/PP4PP/3R3K w - - 1 0
[ Be7 ]
"Tactics in the Queen's Gambit" by wtharvey.com
Chess puzzles from top rated games of 1977, pt. xiii.
The color disk on the diagram indicates who moves first.
a)
Eugene Meyer vs John Donaldson, Columbus, 1977
3r4/pp2ppkp/b5p1/RPr5/P7/5BP1/4PP1P/1R4K1 w - - 1 0
[ bxa6 Rxa5 axb7 Rb8 Rc1 if Rf5 Bg2 ]
b)
Viktor Ciocaltea vs Nikola Padevsky Albena, 1977
1Q6/3pr1pp/q1b1p1k1/1p1nPpN1/1P3P2/2PB2P1/5R1P/6K1 w - - 1 0
[ Qg8 if h6 Qh7+ mates ]
c)
Mikhail Tal vs Josef Pribyl, Tallinn, 1977
r4k2/5p2/2p4p/1p1p4/1qnP2Q1/6PP/2B1RP1K/8 w - - 1 0
[ Bh7 ]
d)
Bojan Kurajica vs Radovan Govedarica, Zagreb, 1977
2n3k1/pb1Nqr1p/1p3b2/1B1p2p1/1P1P2P1/P7/1B3R1P/4Q1K1 w - - 1 0
[ Nxf6+ if Rxf6 Qxe7 ]
e)
Laszlo Barczay vs Jan Adamski, Zalaegerszeg, 1977
8/1b5p/p4ppk/1p6/1B3nB1/PP1P4/4r1PP/2R4K w - - 1 0
[ Bxe2 Bxg2+ Kg1 Nxe2+ Kxg2 Nxc1 Bd2+ ]
Chess puzzles from top rated games of 1977, pt. xiv.
The color disk on the diagram indicates who moves first.
a)
Mathias Gerusel vs Anatoly Karpov, Bad Lauterberg, 1977
8/4qBpk/7p/1Q2nb2/4pN2/4P2P/1P4P1/6K1 b - - 0 1
[ ...Bd7 if Bg8+ Kxg8 Qd5+ Nf7 ]
b)
Aleksandar Matanovic vs Roman Hernandez, Vrsac, 1977
4r3/R5bk/3P1pp1/5q1p/3BbP2/5BP1/1P2Q1P1/7K b - - 0 1
[ ...Bxf3 Qxf3 Re1+ if Kh2 Qb1 or if Bg1 Qc5 mates ]
c)
Hans Ree vs Istvan Csom, Budapest, 1977
3rr1k1/6pp/4p3/6q1/1p2Q3/1P1n4/P5PP/B2R1RK1 b - - 0 1
[ ...Qc5+ if Kh1 Nf2+ ]
d)
Atanas Kolarov vs Evgenij Ermenkov, Bulgaria, 1977
7k/7p/2bpq3/p1pN1p2/1pPb1P2/1P1PNQ1P/P6K/8 b - - 0 1
[ ...Bxe3 Qxe3 Bxd5 ]
e)
Nikola Padevsky vs Ivan Radulov, Bulgaria, 1977
6k1/1p5r/p2N1n2/P2Pp3/4PnP1/5B2/1PQ2KP1/5R1q b - - 0 1
[ ...Nxg4+ if Ke1 Qxf1+ Kxf1 Ne3+ ]
Chess puzzles from top rated games of 1977, pt. xv.
The color disk on the diagram indicates who moves first.
a)
Iossif Dorfman vs Oleg Romanishin, Cienfuegos, 1977
r4knr/ppp3bp/3pp1p1/7b/4P2q/2N1BP2/PPP1BP1P/R2Q1R1K b - - 0 1
[ ...Bxf3+ Bxf3 Be5 ]
b)
Jan Timman vs Jan-Hein Donner, Leeuwarden, 1977
8/6bp/4k1p1/B7/p3B3/3K3P/n1P3P1/8 b - - 0 1
[ ...a3 if Kc4 Nb4 ]
c)
Anatoly Karpov vs Mark Taimanov, Leningrad, 1977
8/6k1/1P1p2p1/3Ppn2/3q4/8/6PP/rR2QB1K b - - 0 1
[ ...Ng3+ if hxg3 Ra8 mates ]
d)
Sergio Mariotti vs Florin Gheorghiu, Leningrad, 1977
r3k1r1/1pqb1p2/p3pn2/3P2B1/1b1NP1P1/2N5/P2QB3/2R1K2R b Kq - 0 1
[ ...Nxe4 if Qe3 Bxc3+ Kf1 Ng3+ or if Nxe4 Qxc1+ Kf2 Bxd2 Rxc1 Bxg5 ]
e)
Ivan Radulov vs Zoltan Ribli, Leningrad, 1977
2r3k1/pp2bppp/1q3n2/8/6b1/PrN3P1/1PQ2PBP/1RB2RK1 b - - 0 1
[ ...Rcxc3 ]
'Tactics in the Sicilian' series
Chess puzzles from top rated games of 1977, pt. xvi.
The color disk on the diagram indicates who moves first.
a)
David Strauss vs Bryon Nickoloff, Lone Pine, 1977
3rk2r/pb2qpbN/1pn1p3/2ppPp1Q/7P/2PPB1P1/PP4B1/4RRK1 b k - 0 1
[ ...Qf8 if c4 Qg8 or if Rxf5 exf5 ]
b)
Leonid Shamkovich vs Salvatore Matera, Mentor, 1977
r2q1rk1/1p3ppp/1bb1p3/1N1pP3/4nP2/PQ3B2/1P4PP/3RBR1K b - - 0 1
[ ...Nc5 if Qb4 Ra4 ]
c)
Sergio Mariotti vs Stefano Tatai, Rome, 1977
r2qk2r/ppp1bppp/2n1b3/3n4/2B1NN2/3P4/PPP3PP/R1BQ1RK1 b kq - 0 1
[ ...Nxf4 Bxf4 Qd4+ if Kh1 Bxc4 ]
d)
Samuel Reshevsky vs John Grefe, USA, 1977
2kr4/p1p5/1p2p3/5p2/2P2P2/P4bP1/1P1N1q2/2KQ1R2 b - - 0 1
[ ...Rxd2 ]
e)
Robert Jamieson vs Larry Christiansen, Wijk aan Zee, 1977
3rk3/1R4pp/4pp2/8/8/3nB3/rP3PPP/3R2K1 b - - 0 1
[ ...Nc5 if Re7+ Kxe7 Bxc5+ Kf7 ]
Chess puzzles from top rated games of 1977, pt. xvii.
The color disk on the diagram indicates who moves first.
a)
Dusan Rajkovic vs Vladimir Bukal, Zagreb, 1977
5rk1/2p3bp/1p1p4/p2Pp3/2P1N1rp/PPB4K/8/4R2R b - - 0 1
[ ...Rff4 if Nd2 Rg3+ mates ]
b)
Knut Helmers vs Petar Popovic, Groningen, 1977
r1b3rk/p7/3p4/2pP1p2/2P3n1/2N2K2/P2QBN1q/4R2R b - - 0 1
[ ...Ne5+ Ke3 Rg3+ Bf3 Rxf3+ Ke2 Rxf2+ Kd1 Rxd2+ ]
c)
Hans Ree vs Peter Scheeren, Nijmegen, 1977
r1b1qrk1/ppp2pb1/3p2pp/8/3P1PnB/1QPB4/PP1NN1P1/R3RK2 b - - 0 1
[ ...Qe3 Nf3 Qxd3 ]
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