King-pawn Opening Series



Here are some chess puzzles from the games of Jon Ludvig Hammer.
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 4.
Jon Ludvig Hammer vs Eirik Gullaksen, Tromsoe, 2006
1k6/5Q2/2Rr2pp/pqP5/1p6/7P/2P3PK/4r3 w - - 0 1
[ Qc7+ Ka8 Qc8+ if Qb8 Qa6+ or if Ka7 Rc7+ ]

b)
Jon Ludvig Hammer vs O Lundeby, Norway, 2007
5nk1/1p1b3p/3q1rpQ/1p1p4/3P4/r1NBP3/6P1/4RRK1 w - - 0 1
[ Nxd5 if Rxf1+ Rxf1 Rxd3 Nf6+ Kh8 Ne4 ]

c)
Jon Ludvig Hammer vs Heikki Westerinen, Gausdal, 2007
7r/p3bpk1/qp2p1p1/4P2p/1PR5/P4Q2/3N1PPP/6K1 w - - 0 1
[ Rc7 if Re8 Rxe7 or if Rc8 b5 ]

d)
White mates in 4.
Jon Ludvig Hammer vs Joran Aulin-Jansson, Hamar, 2007
1r3k2/5p1p/1qbRp3/2r1Pp2/ppB4Q/1P6/P1P4P/1K1R4 w - - 0 1
[ Qh6+ if Ke8 Rxe6+ ]

e)
Jon Ludvig Hammer vs Nicolai Getz, Oslo, 2008
4r3/1n3pkp/pB2p1p1/P3p3/1Pr3P1/5P1P/3R4/3R3K w - - 0 1
[ Rd7 if Rb8 Bc7 ]

1b)
Jon Ludvig Hammer vs O Lundeby

Hammer Puzzles, Part II. The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Jon Ludvig Hammer vs Bo Garner Christensen, Borup, 2008
2r1k3/3n1p2/6p1/1p1Qb3/1B2N1q1/2P1p3/P4PP1/2KR4 w - - 0 1
[ Qxe5+ if Qe6 Qh8+ or if Kd8 Be7+ or if Nxe5 Nf6# ]

b)
White mates in 2.
Jon Ludvig Hammer vs Shakil Abu Sufian, Dresden, 2008
1Q6/r3R2p/k2p2pP/p1q5/Pp4P1/5P2/1PP3K1/8 w - - 0 1
[ Rxa7+ ]

c)
White mates in 6.
Jon Ludvig Hammer vs Oleg Korneev, Gjovik, 2009
1r6/3R1pk1/q3p1p1/4PbPp/8/2R5/3Q2PK/8 w - - 0 1
[ Rxf7+ if Kxf7 Rc7+ Kg8 Qd7 ]

d)
White mates in 4.
Jon Ludvig Hammer vs Magnus Carlhammar, Gibraltar, 2009
3rk3/1q4pp/3B1p2/3R4/1pQ5/1Pb5/P4PPP/6K1 w - - 0 1
[ Re5+ if Kd7 Qe6+ Kc6 Bb8+ or if fxe5 Qe6+ ]

e)
Jon Ludvig Hammer vs Mads Borup, Helsingor, 2009
6k1/pb5p/np2pp1q/6p1/1PP4P/4BPQ1/P1B3P1/7K w - - 0 1
[ b5 if Nb4 Qb8+ ]

2e)
Jon Ludvig Hammer vs Mads Borup

Jon Ludvig Hammer Puzzles, Part III.
The color disk on the diagram indicates who moves first.
a)
Jon Ludvig Hammer vs Sune Berg Hansen, Helsingor, 2009
1qrr1n2/1b3k2/pQ1p2p1/P2P1p1p/1PN1pP1P/1B4P1/8/2R1R1K1 w - - 0 1
[ Nxd6+ if Rxd6 Rxc8 or if Qxd6 Qxb7+ ]

b)
Jon Ludvig Hammer vs Dan Cramling, Stockholm, 2010
r2r2k1/5ppp/8/2p1n3/1P1pq3/1BP3P1/P2R1R1P/3Q2K1 w - - 1 0
[ Rde2 ]

c)
Jon Ludvig Hammer vs Daniel King, England, 2010
1r3k2/p2r2p1/4bp2/2np1N1Q/2p2P2/P1q1P3/6PP/1B1R1RK1 w - - 1 0
[ Qh8+ Bg8 Rxd5 ]

d)
Jon Ludvig Hammer vs Carsten Hoi, Oslo, 2010
7r/3b4/p3p1k1/1p1q1p2/3N2p1/2Q5/PPP5/2KR4 w - - 1 0
[ Ne2 if Rc8 Nf4+ or if Qb7 Qxh8 ]

e)
White mates in 3.
Jon Ludvig Hammer vs Andrzej Szewczak, Warsaw, 2010
r1bqr3/pp5Q/4pkn1/3p1p2/3P3P/1P2N1P1/PB6/R3R1K1 w - - 1 0
[ Ng4+ fxg4 Rf1+ ]

f)
Jon Ludvig Hammer vs Anna Zozulia, Warsaw, 2010
2rqk2r/1p4pn/p2pNbb1/2nPp2p/4P2P/1Q6/PP3PN1/R1B1RBK1 w k - 1 0
[ Qg3 ]

g)
Jon Hammer vs Espen Lie, Kragero, 2018
2r3k1/3rp2p/1p1n2p1/3P1q2/p3n2P/P1B5/BP3PQ1/3RR1K1 w - - 1 0
[ 1.Bb1 if 1...Rc4 2.f3 ]

3e)
mate in 3
Jon Ludvig Hammer vs Andrzej Szewczak


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