Here are some chess puzzles from the games of Anton Demchenko.
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)
Anton Demchenko vs Piotr Korobkov, Sochi, 2005
2r1k2r/3nqppp/p3pn2/6B1/3N4/5QP1/Pp3P1P/3RR1K1 w k - 1 0
[ Nf5 Qc5 Nxg7+ if Ke7 Nf5+ or if Kf8 Bxf6 ]

b)
Anton Demchenko vs Anna Kostrikina, Volgodonsk, 2007
r1bqk2r/1p2bppp/p1np1n2/3N1P2/4P3/4BP2/PPPQ3P/2KR1B1R w kq - 1 0
[ Bb6 Qd7 Nc7+ ]

c)
White mates in 3.
Anton Demchenko vs Oleg Vastrukhin, Armavir, 2012
r5k1/1p3r1p/2n2Qn1/p2q1N1N/3p4/6PP/1P2RP2/4R1K1 w - - 1 0
[ Re8+ ]

d)
Anton Demchenko vs Elena Cosma, Iasi, 2015
2k1rr2/p1nq4/3b3p/3pp1pP/2pP2Q1/2P3N1/P4PP1/1RB1R1K1 w - - 1 0
[ Rb8+ ]

e)
White mates in 3.
Anton Demchenko vs Igor Kovalenko, Minsk, 2017
2r1Rbk1/1pq2p2/p2r1Q2/3p1P2/8/2N2P2/1PP4P/1K2R3 w - - 1 0
[ Rxf8+ ]



Anton Demchenko Puzzles, Part II.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Anton Demchenko vs Alexander Areshchenko, Rxilisi, 2017
6k1/1P3p2/2r2P1p/8/p1nRpR2/6P1/1r2B2P/K7 w - - 1 0
[ Rg4+ ]

b)
Anton Demchenko vs Stanislav Bogdanovich, Konya, 2018
2r3k1/pp3qpp/2nRb3/1Bp2p2/4p3/2P2PB1/PPP1Q1PP/2K5 w - - 1 0
[ Rxe6 if Qxe6 Bc4 ]

c)
Yury Shvein vs Anton Demchenko, Slaviansk-na-Kubani, 2009
r1b1k2r/pp2ppbp/1qnp1np1/8/2P5/1PB2NP1/P3PPBP/RN1QK2R b KQkq - 0 1
[ ...Ne4 ]

d)
Black mates in 4.
Maria Komiagina vs Anton Demchenko, Voronezh, 2010
k7/2p4p/p7/4p3/8/2Q2q2/PP1rp1r1/2R1R2K b - - 0 1
[ ...Qf1+ Rxf1 exf1/Q+ Rxf1 Rh2+ ]

e)
Emmanuel Emperado vs Anton Demchenko, Quezon City, 2014
2kr1bnr/ppp3pp/2nqPpb1/8/6Q1/2NNP3/PP1P2PP/R1B1KB1R b KQ - 0 1
[ ...Nh6 if Qf4 Bxd3 ]

a)
Black mates in 4.
Gergely Kantor vs Anton Demchenko, Karlsruhe, 2017
1r6/6k1/2pPb3/q7/P2R1p1P/5B2/4N1P1/K6R b - - 0 1
[ ...Qc5 Rd3 Qc2 ]


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