Here are some chess puzzles from the games of Sergej Dyachkov.
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)
Sergej Dyachkov vs Denis Abasheev, Serpukhov, 2003
3r1bk1/p3qp2/1pp5/4pQ2/P3N3/8/BPP2PPP/6K1 w - - 1 0
[ Bxf7+ Qxf7 Qg5+ w/Qxd8 ]

b)
Sergej Dyachkov vs Sergey Sergienko, Sochi, 2005
q5k1/3R1ppp/4p3/p2nNn2/bp6/3Q4/1P3PPP/4B1K1 w - - 1 0
[ Qa6 if Qe8 Ra7 Qf8 Rxf7 ]

c)
White mates in 5.
Sergej Dyachkov vs Dmitry Chuprov, Moscow, 2008
2b2nk1/p1p5/1p6/3P3q/2P2Qp1/2B5/P5PP/1B4K1 w - - 1 0
[ Qf6 ]

d)
Gennady Kiselev vs Sergej Dyachkov, Voronezh, 1999
4rk2/ppp2ppp/1nnp1b2/8/2PP1Bq1/1P1Q4/P3NP2/4RR1K b - - 0 1
[ ...Nb4 if Qd2 Qf3+ Kg1 Nd3 or if Qc3 Rxe2 Rxe2 Qxe2 Kg1 Nc2 ]

e)
Vladimir Vulfson vs Sergej Dyachkov, Samara, 2002
2b3rk/6qp/1pp2p2/5P2/1PP1PQ2/6rP/1R1R3K/5B2 b - - 0 1
[ ...Rf3 Qg4 Qc7+ ]




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