Here are some chess puzzles from the games of Lars Bo Hansen.
White to move and win.

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


a)
Lars Bo Hansen vs Petter Fossan, Gausdal, 1986
8/4k3/1p1pP2p/pPpPpK2/P1P3P1/2B1b3/8/8 w - - 0 1
[ Bxa5 ]

b)
Lars Bo Hansen vs Bernard Spycher, Arnhem, 1987
4Rbk1/5p1p/qp4p1/8/P1r3QP/5N2/5PPK/8 w - - 0 1
[ Qd7 if Qxa4 Qe7 or if Kg7 Ng5 w/Ne6+ ]

c)
Lars Bo Hansen vs Kai Bjerring, Odense, 1988
3rr1k1/p2N2p1/4p2p/1p6/8/4KB2/PP1RP2P/8 w - - 1 0
[ Bh5 if Re7 Nf6+ ]

d)
Lars Bo Hansen vs Gyula Sax, Lugano, 1989
4r1k1/p4ppp/1p6/8/3p4/qP4PB/P3bP1P/1Q2R1K1 w - - 0 1
[ Bf1 if Qa6 Rxe2 Rxe2 Qd1 or if d3 Qxd3 ]

e)
Lars Bo Hansen vs Pavel Martynov, Denmark, 1991
r4b2/r1Rnpk1p/6p1/2pP1p2/NpN5/1P4P1/P4PKP/3R4 w - - 1 0
[ Rxd7 Rxd7 Ne5+ Ke8 Nxd7 if Kxd7 Nb6+ ]



Lars Bo Hansen Puzzles, Part II.
The color disk on the diagram indicates who moves first.
a)
Lars Bo Hansen vs Jan Sorensen, Lyngby, 1991
2q1rk2/p3p2p/1p2Qb2/3N2p1/2r1R3/8/P4P1P/4R1K1 w - - 1 0
[ Nxf6 ]

b)
Lars Bo Hansen vs Poul Rewitz, Aarhus, 1993
4r1k1/1rqb1ppp/5p2/p1pP3Q/2P1Nn2/2BB4/P5PP/5RK1 w - - 1 0
[ Nxf6+ if Kf8 Nxh7+ Kg8 Nf6+ or if gxf6 Qxh7+ Kf8 Qh6+ ]

c)
White mates in 5.
Lars Bo Hansen vs Lars Schandorff, Farum, 1993
1r2kb1R/R4p2/p3p3/2p3r1/2P3p1/1PB3P1/P4PK1/8 w - - 1 0
[ Bf6 if Rf5 Re7+ ]

d)
White mates in 4.
Lars Bo Hansen vs Jan Timman, Moscow, 1994
3r1k2/5pp1/ppp2N1p/4R2P/1P1n4/P5Q1/5PPK/1q6 w - - 1 0
[ Re8+ if Rxe8 Qd6+ ]

e)
Lars Bo Hansen vs Miralem Dzevlan, Stockholm, 1994
b3q3/3r1p1p/p1p2kp1/1p6/P1pP4/Q1P2B1P/5PP1/R5K1 w - - 1 0
[ axb5 if cxb5 Qxa6+ ]

Lars Bo Hansen Puzzles, Part III.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Lars Bo Hansen vs Erling Mortensen, Vejle, 1994
5r1k/R4B1p/1n5b/3Pp3/1q6/3Q4/5P1P/5KR1 w - - 1 0
[ Qxh7+ Kxh7 Bg8+ Kh8 Rh7# ]

b)
White mates in 5.
Lars Bo Hansen vs Giovanni Vescovi, Copenhagen, 1995
2rr4/pbqn2kp/1p1bQ1p1/8/3P3R/5N2/PP1B1PPP/R5K1 w - - 1 0
[ Rxh7+ Kxh7 Ng5+ Kh6 Qh3+ ]

c)
Lars Bo Hansen vs Karsten Rasmussen, Denmark, 1997
3rr1k1/1p3pp1/2p1b2p/8/N3P1n1/qnQP1NP1/2R2P1P/1R3BK1 w - - 1 0
[ Nb6 c5 Nc4 Bxc4 dxc4 ]

d)
White mates in 3.
Lars Bo Hansen vs Sergei Movsesian, Germany, 1997
7k/1p5p/1ppq4/3n1pQ1/P1B5/1Pb3P1/3B1PK1/8 w - - 1 0
[ Bxc3+ Qf6 Bxf6+ Nxf6 Qxf6# ]

e)
Lars Bo Hansen vs Ludger Koerholz, Taastrup, 1997
7k/p6p/1p4p1/4P3/8/5BP1/nP5P/7K w - - 1 0
[ e6 Kg7 e7 Kf7 Kd5+ Kxe7 Bxa2 ]

Lars Bo Hansen Puzzles, Part IV.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Lars Bo Hansen vs Nick De Firmian, Denmark, 1998
r1b2b1r/1p2kppp/pq1Np3/2n1n3/Q4B2/2N3P1/PP2PPBP/R3K2R w KQ - 1 0
[ Nd5+ exd5 Qe8+ if Kf6 Qxe5+ or if Kxd6 Bxe5# ]

b)
Lars Bo Hansen vs Thorbjorn Rosenlund, Denmark, 2001
2br4/ppr1qpkp/n5p1/Q2P4/3N4/4P3/1R2BPPP/5RK1 w - - 1 0
[ Bxa6 if bxa6 Nc6 ]

c)
Lars Bo Hansen vs Torbjorn Hansen, Copenhagen, 2004
6rk/4q2p/2bp1p2/p3pPr1/npP1P1P1/4Q2R/PP1N2B1/6KR w - - 1 0
[ Rxh7+ Qxh7 Rxh7+ Kxh7 Qh3+ Kg7 Nf3 ]

d)
White mates in 3.
Lars Bo Hansen vs Andrew Muir, Goteborg, 2005
8/2r2pkp/3R4/1pb3B1/r7/6P1/5P1P/3R2K1 w - - 1 0
[ Bh6+ ]

e)
Lars Bo Hansen vs Gary Lane, Turin, 2006
7k/3qp2p/pn2Np2/1p4pP/4Q1P1/1P3P2/P3PK2/8 w - - 1 0
[ Nf8 ]

Lars Bo Hansen Puzzles, Part V.
The color disk on the diagram indicates who moves first.
a)
Lars Bo Hansen vs Igor Schneider, Philadelphia, 2006
6k1/1r2npp1/2p1p2p/1pP1N3/1P1P3P/6P1/5P2/R5K1 w - - 1 0
[ Ra8+ Kh7 Nxf7 Rc7 Nd8 ]

b)
White mates in 3.
Lars Bo Hansen vs Martin Matthiesen, Aalborg, 2007
1r6/2RQ3p/p4ppk/1p2p3/1P1qP3/8/P4PPP/6K1 w - - 1 0
[ Qh3+ Kg5 Qg3+ ]

c)
White mates in 3.
Lars Bo Hansen vs Jorge Leon, Cocoa Beach, 2016
5rk1/5pp1/3PP3/2pQ4/2B2PK1/1q6/2n4P/8 w - - 1 0
[ exf7+ ]

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