Here are some chess puzzles from the games of Mark Diesen.
Black 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)
Max Burkett vs Diesen, Ventura, 1971
kr6/p3qp2/3Np3/1R1pP2p/5P2/2P1R1pP/P1P3P1/6K1 b - - 0 1
[ ...Rxb5 if Nxb5 Qb7 ]

b)
White to move and win. Diesen vs Curt Brasket, Lone Pine, 1977
n1r2r1k/1q4pp/p1n2p2/1p2p3/1P2P3/P1R1B1P1/2Q2PBP/R5K1 w - - 0 1
[ Bh3 if Rc7 Rc1 ]

c)
Black Mates in 5. Peter Scheeren vs Diesen, Amsterdam, 1977
6k1/2p4p/p1B1b1p1/2p5/3p2P1/Pq5P/1P1R1r2/1KQ5 b - - 0 1
[ ...d3 ]

d)
Arthur Feuerstein vs Diesen, New York, 1977
r1b1r1k1/pppnqp1p/3p2pb/6N1/2PPPQn1/1P4P1/PB2P1BP/RN3RK1 b - - 0 1
[ ...Bxg5 if Qxg4 Ne5 ]

e)
James Huddleston vs Diesen, Dallas, 2002
r4rk1/1p4pp/p3p3/2bnN3/3q4/6Q1/PP3PPP/R1B2RK1 b - - 0 1
[ ...Rxf2 if Qxf2 Qb4 Nf3 Bxf2+ Rxf2 e5 ]

f)
White to move and win. Diesen vs Charles Schulien, Internet, 2002
5rk1/p1Q4p/1p4qP/2n5/5pp1/P3R3/1P6/K5R1 w - - 0 1
[ Re7 ]




USA GMs

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