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Here are some chess puzzles from the games of Leonid Shamkovich.
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 5.
Leonid Shamkovich vs Alberic O'Kelly de Galway, Palma de Majorca, 1966
2b2r1k/r5bp/p4R2/1p2p1B1/1q1pP2Q/1B6/PP3P1K/7R w - - 0 1
[ Qxh7+ Kxh7 Kg2+ ]

b)
White mates in 6.
Leonid Shamkovich vs Mato Damjanovic, Sochi, 1967
1qr2rnk/5p1p/p1bp1PB1/4p3/3B4/P1p3Q1/1PP3PP/4RR1K w - - 0 1
[ Bxh7+ Nxf6 Rxf6 Qxb2 Bd3 ]

c)
Leonid Shamkovich vs B Dimitrijewski, URS, 1967
4qr1k/pp2b3/4pnQ1/4N3/3P4/8/P4PPP/3R2K1 w - - 0 1
[ Rb1 b6 Rb3 Qxg6 Nxg6+ Kg7 Nxe7 ]

d)
Leonid Shamkovich vs Theodor Ghitescu, URS, 1969
4r2k/1p2b1p1/2p1Pp1p/p1q4P/P2r4/2B2BP1/1PQ2PK1/4R3 w - - 0 1
[ Qg6 if Rdd8 Be4 ]

1a)
mate in 5
Leonid Shamkovich vs Alberic O'Kelly de Galway

Leonid Shamkovich puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
White mates in 5.
Leonid Shamkovich vs Atanas Kolarov, Varna, 1970
r4r1k/1R5p/3Q1np1/p5N1/8/P1q5/5PPP/5RK1 w - - 0 1
[ Qe7 ]

b)
White mates in 3.
Leonid Shamkovich vs Roy Ervin, Lone Pine, 1975
5rrk/5pb1/p1pN3p/7Q/1p2PP1R/1q5P/6P1/6RK w - - 0 1
[ Qxh6+ Bxh6 Rxh6+ Kg7 Nf5# ]

c)
White mates in 4.
Leonid Shamkovich vs Larry Chistiansen, Mentor, 1977
6r1/p5bk/4N1pp/2B1p3/4Q2N/8/2P2KPP/q7 w - - 0 1
[ Ng5+ hxg5 Qxg6+ ]

d)
Leonid Shamkovich vs Bruce Leverett, USA, 1977
5b1r/Npkqpppp/8/8/1PP5/8/1P2QPPP/6K1 w - - 0 1
[ Qe5+ if Qd6 Nb5+ ]

2b)
mate in 3
Leonid Shamkovich vs Roy Ervin

Leonid Shamkovich puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Leonid Shamkovich vs David Blohm, USA, 1977
r1b4q/pp1p4/3n1bQ1/8/5k2/1P4R1/P1PP1PPP/6K1 w - - 0 1
[ d4 ]

b)
Leonid Shamkovich vs Johan Stopa, USA, 1977
1k5r/pp1q1ppp/1bpr2n1/6N1/PP1p1P2/3P3Q/1P1B2PP/4RRK1 w - - 0 1
[ f5 if Ne5 Rxe5 f6 Re4 fxg5 Bxg5 Bd8 Bf4 ]

c)
White mates in 4.
Leonid Shamkovich vs George Botterill, Hastings, 1978
R4bk1/5p1p/5Pp1/1p6/3Q4/1P5P/1P2qrPK/8 w - - 0 1
[ Rxf8+ Kxf8 Qc5+ ]

d)
Leonid Shamkovich vs Gerardo Lebredo, Mexico, 1978
4r1k1/p1p2ppp/2r2q2/8/2P2b2/1R2B2P/P1Q2PP1/5RK1 w - - 0 1
[ Qe4 if Be5 f4 ]

e)
Leonid Shamkovich vs Pal Benko, Greenville, 1980
1r4n1/6kn/p2p2p1/2pPp1Pr/2P1P2p/2N1QN1q/P1K2R1P/6R1 w - - 0 1
[ Nxe5 if Qxe3 Rf7+ mates ]

3c)
mate in 4
Leonid Shamkovich vs George Botterill

Leonid Shamkovich puzzles, pt. iv.
The color disk on the diagram indicates who moves first.
a)
Leonid Shamkovich vs Raymond Keene, New York, 1980
2r1n1k1/pp3Rb1/4p1Pp/2p1P3/4qN1Q/1P2p2P/1PP3PK/8 w - - 0 1
[ Qe7 if e2 Rf7+ mates ]

b)
Leonid Shamkovich vs Lev Alburt, Reyjavik, 1986
8/4p1k1/3pq1r1/p1p3RQ/2P4P/1r4P1/3R3K/8 w - - 0 1
[ Re2 if Qf6 Rxg6+ Qxg6 Rxe7+ Kf6 Re6+ ]

c)
Leonid Shamkovich vs Lanka Ravi, London, 1987
r1b2k1r/pp3pp1/3qp2p/1B6/3N1n2/P7/1P3PPP/2RQ1RK1 w - - 0 1
[ Nxe6+ if Ke7 Rc7+ or if Qxe6 Qd8+ mates ]

d)
White mates in 2.
Leonid Shamkovich vs Anatoly Trubman, USA, 1990
5r1k/pp1n1p1p/5n1Q/3p1pN1/3P4/1P4RP/P1r1qPP1/R5K1 w - - 0 1
[ Qxf8+ Nxf8 Nxf7# ]

e)
Leonid Shamkovich vs Walter Shipman, Philadelphia, 1992
7R/6p1/5p2/1r2p1k1/4q2p/4P2P/3Q2PK/8 w - - 0 1
[ Qe2 ]

4d)
mate in 2
Leonid Shamkovich vs Anatoly Trubman

Other US GMs
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