Here are some chess puzzles from the games of Johann Hjartarson.
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)
White Mates in 4. Hjartarson vs Adam Kuligowski, Lone Pine, 1981
5k2/4q1p1/3Np1Qp/2p1B2P/1p6/1P1P2PK/5r2/8 w - - 0 1
[ Bxg7+ ]

b)
Hjartarson vs Miroljub Markovic, Bela Crkva, 1983
1R1r4/4q3/p1pr2k1/P1p1pp2/2P2npQ/8/1P3PPP/3R2K1 w - - 0 1
[ Rxd6+ if Rxd6 Rg8+ Kf7 Rg7+ ]

c)
White Mates in 3. Hjartarson vs Timo Pirttimaki, Oslo, 1983
rr6/p1n4k/1p1NqBp1/2p1P2p/4P3/6R1/bP1Q2PP/4R1K1 w - - 0 1
[ Rxg6 ]

d)
White Mates in 3. Hjartarson vs John Van Der Wiel, Salonika, 1984
n7/pk3pp1/1rR3p1/QP1pq3/4n3/6PB/4PP1P/2R3K1 w - - 0 1
[ Qa6+ ]

e)
Hjartarson vs Johnny Hansen, Gjovik, 1985
r4k1r/ppq1p3/3p1p2/3QnB2/8/1P2R3/1PP3PP/5R1K w - - 0 1
[ Rxe5 if dxe5 Bg6 ]



Hjartarson Puzzles, Part II. White to move and win except where noted.
a)
Hjartarson vs O Hawes, Dubai, 1986
4q3/p2b2k1/2r1pbPr/1p1p4/1PnP2Q1/P2B1NP1/5PK1/R6R w - - 0 1
[ Rxh6 if Kxh6 g7 mates ]

b)
White Mates in 6. Hjartarson vs Gudmundur Sigurjonsson, Gausdal, 1987
3Q4/b4ppk/2B1p2p/p3P3/4N3/1q3NP1/r4PKP/8 w - - 0 1
[ Neg5+ if Kg6 Be4+ Kh5 Kh3 mates or if hxg5 Be4+ g6 Nxg5+ mates ]

c)
Hjartarson vs Ennio Arlandi, Novi Sad, 1990
4rr1k/p1B3pp/1p4n1/2bB1p2/2R5/q3P1QP/P5P1/3R3K w - - 0 1
[ Qxg6 ]

d)
White Mates in 4. Hjartarson vs Igor Novikov, Tilburg, 1992
1r4nQ/p3kb1R/5pp1/8/5N2/4r1P1/Pq2B3/3R1K2 w - - 0 1
[ Rxf7+ ]

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Hjartarson Puzzles, Part III. White to move and win except where noted.
a)
Hjartarson vs Throstur Thorhallsson, Reykjavik, 1994
2k2r1r/p1q1npp1/1p2p3/n2pP1Np/b1pP3P/B1P3PB/2P2P2/1R1QK2R w K - 0 1
[ Nxf7 if Rxf7 Bxe6+ ]

b)
White Mates in 3. Hjartarson vs Ribeiro Gonzalez Bolivar, Linares, 1995
4r2k/4Q1bp/4B1p1/1q2n3/4pN2/P1B3P1/4pP1P/4R1K1 w - - 0 1
[ Nxg6+ ]

c)
Hjartarson vs Jon Gunnarsson, Gardabaer, 1996
2r3k1/6p1/2p3B1/1n3RP1/ppp2PK1/8/PPP5/8 w - - 0 1
[ Bf7+ if Kf8 Be6+ or if Kh8 or Kh7 g6(+) mates ]

d)
Hjartarson vs R Backlund, Gausdal, 1996
r7/pr3pk1/2R1bq1p/2Pp4/1P1N4/2Q5/4B1PP/6K1 w - - 0 1
[ Nf5+ Kg6 Bh5+ Kxf5 g4+ if Ke4 Qxf6 or if Kg5 h4+ ]

e)
White to move and win. Hjartarson vs Bjorn Thorsteinsson, Iceland, 1997
8/2qb1pk1/2Bb1np1/2pPp2p/QpN1P3/1P5P/3N1PP1/6K1 w - - 0 1
[ Bxd7 Nxd7 Qc6 ]

Hjartarson Puzzles, Part IV. Black to move and win except where noted.
a)
Antonio Frois vs Hjartarson, Groningen, 1981
r4rk1/p5pp/2p1q3/8/2PQ2n1/2N1B1P1/PP3P1P/4R1K1 b - - 0 1
[ ...Ne5 ]

b)
Jon Arnason vs Hjartarson, Reykjavik, 1982
r5k1/5p2/Np1R2pp/1B6/P4qP1/2P1b3/4Q1P1/7K b - - 0 1
[ ...Qg3 ]

c)
Black Mates in 7. Bozidar Brujic vs Hjartarson, Bela Crkva, 1983
8/R3B1pk/4p2p/4P3/7K/1P4P1/P2r2b1/8 b - - 0 1
[ ...Rd4+ g4 Rd3 g5 Rh3+ Kg4 h5+ ]

d)
Wayne Trosclair vs Hjartarson, New York, 1984
6B1/1p4N1/1p1k2bp/4n3/6P1/PP1pK2P/2rR4/8 b - - 0 1
[ ...Rc8 if Be6 Rc7 or if Bc4 Rxc4 ]

e)
Black Mates in 8. Bernard Zuckerman vs Hjartarson, New York, 1984
r5r1/4k3/p1p2p2/1p2pK1p/P3Pn1P/2P2P2/1PB2P2/R2R4 b - - 0 1
[ ...Ng6 ]

Hjartarson Puzzles, Part V. Black to move and win except where noted.
a)
Nick De Firmian vs Hjartarson, Reykjavik, 1984
6k1/2rb2b1/p2p2q1/P2P1p2/1p2r2p/1P1RBQ1P/6P1/3R1NK1 b - - 0 1
[ ...Bb5 if Bb6 Bxd3 ]

b)
Black Mates in 4. Fridrik Olafsson vs Hjartarson, Reykjavik, 1984
8/b4ppk/7p/8/5Pn1/2N3Pq/1B2Q2P/7K b - - 0 1
[ ...Nf2+ if Kg1 Ne4+ ]

c)
B Karlsson vs Hjartarson, Westmann Islands, 1985
1k4r1/1b3p1Q/1q2pP1b/pN2p3/1p6/1N6/PPP4P/1K1R4 b - - 0 1
[ ...Rg1 if Qd3 e4 Qe2 Qxb5 ]

d)
Black Mates in 4. Ljubomir Ljubojevic vs Hjartarson, Amsterdam, 1991
3r3k/1R4p1/4Q2p/P3P3/5q2/2p3PP/5n1K/8 b - - 0 1
[ ...Ng4+ ]

e)
Black Mates in 4. Sigurdur Sigfusson vs Hjartarson, Gardabaer, 1991
8/5r1p/R3pk2/2NR1np1/2P2r2/1P5K/P6P/8 b - - 0 1
[ ...g4+ ]

Hjartarson Puzzles, Part VI. Black to move and win except where noted.
a)
Throstur Thorhallsson vs Hjartarson, Gardabaer, 1991
1rb2rk1/p5p1/1np2q1p/3pR2Q/2P2p2/1P6/P1BN1PPP/1K1R4 b - - 0 1
[ ...Bg4 ]

b)
Miguel Gomez vs Hjartarson, Oviedo, 1992
1b2rrk1/7p/6p1/p1NN2Bn/2P2Pq1/PP3QP1/6K1/3R4 b - - 0 1
[ ...Re2+ ]

c)
Benjamin Finegold vs Hjartarson, New York, 1994
6k1/5pp1/4nn2/NPr1p3/4q2p/N2Q2P1/4PP1P/3R2K1 b - - 0 1
[ ...Rd5 ]

d)
Julius Fridjonsson vs Hjartarson, Reykjavik, 1995
2k1r3/2p5/pp2r1p1/2p1n3/2Pb3p/1P3P1P/P1R1R1P1/2B1KN2 b - - 0 1
[ ...Nd3+ if Kd1 Rxe2 Rxe2 Rxe2 Kxe2 Nxc1+ or if Kd2 Re2+ Kxd3 Re1 Nh2 Rd1+ ]

e)
Black Mates in 4. John Yoos vs Hjartarson, Reykjavik, 1996
3k4/1pp3b1/4b2p/1p3qp1/3Pn3/2P1RN2/r5P1/1Q2R1K1 b - - 0 1
[ ...Rxg2+ ]

f)
Black Mates in 5. Richard Forster vs Hjartarson, Winterthur, 1996
r5k1/6pp/2b1P3/1p3r1N/3P1p1Q/1Pq4P/2P3P1/7K b - - 0 1
[ ...Rxh5 ]

g)
Black Mates in 6. Gylfi Thorhallsson vs Hjartarson, Akureyri, 1997
6k1/5ppp/1qpprP2/6P1/2pP3P/pP6/P1P2Q2/1K2R3 b - - 0 1
[ ...Qxd4 ]




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