Here are some chess puzzles from the games of Gregory Kaidanov.
White 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)
Kaidanov vs Peter Szekely, Moscow, 1985
[ Rxc2 if Qxc2 Rc1 ]

b)
Kaidanov vs Vladimir Petrienko, Pinsk, 1986
[ Qg3 ]

c)
White Mates in 7. Kaidanov vs Aleksej Shestoperov, URS, 1986
[ Nc7+ Nd5 Nxd5 Rc3 Bxc3 h5 Nf6+ Kg7 Ng4+ Kh7 Rf7+ Kg8 Nh6# ]

d)
White Mates in 3. Kaidanov vs Viswanathan Anand, Moscow, 1987
[ Qxf7+ ]

e)
White Mates in 5. Kaidanov vs Alexey Vyzmanavin, Moscow, 1987
[ Re6+ w/g4+ ]

Kaidanov Puzzles, Part II. White to move and win except where noted.
a)
Kaidanov vs William Watson, Calcutta, 1988
[ Ra7 ]

b)
White Mates in 5. Kaidanov vs Rudolf Florjancic, Bled, 1989
[ Qg4+ w/Rxh6+ & Kf2 ]

c)
Kaidanov vs Alexei Shirov, Moscow, 1989
[ cxd6 Nxd6 e5 if Nb5 Rc4 ]

d)
Kaidanov vs Robert Reynolds, Dublin, 1991
[ Rxf6 gxf6 Qh6+ Ke7 Nf5+ ]

e)
White Mates in 7. Kaidanov vs Charles Lamoureux, Torcy, 1991
[ Bf7+ Qxf7 (if Kf8 Qxd6#) Rxf7 ]



Kaidanov Puzzles, Part III. White to move and win except where noted.
a)
Kaidanov vs Mircea-Sergiu Lupu, Torcy, 1991
4r1k1/5pp1/1n1R3p/p1p1P3/1p5P/1PQ2PP1/P5BK/1q6 w - - id 1-0
[ Qd2 if Nc8 or Na8 Rd8 w/Qd7 ]

b)
White Mates in 2. Kaidanov vs Eric-Thierry Petit, Torcy, 1991
2q1r3/4pR2/3rQ1pk/p1pnN2p/Pn5B/8/1P4PP/3R3K w - - id 1-0
[ Nf3 ]

c)
Kaidanov vs Michael Mulyar, Las Vegas, 1992
r3kr2/pp2pN1p/1n6/2pPP2p/b4R2/8/P1qQBPP1/R3K3 w Qq - id 1-0
[ Qxc2 Bxc2 Bb5+ Nd7 e6 ]

d)
Kaidanov vs Georgi Orlov, Philadelphia, 1992
7r/pp4pp/2p2p2/k1P1q3/n3P3/1B2Q3/PP4PP/2KR4 w - - id 1-0
[ Bxa4 if Kxa4 Rd4+ ]

e)
Kaidanov vs Dmitry Gurevich, Chandler, 1997
rn2kbr1/1b1p3p/p1q1p1p1/2P2pN1/2PB4/3B3Q/P4PPP/R4RK1 w q - id 1-0
[ Be4 if fxe4 Qxh7 ]

Kaidanov Puzzles, Part IV. White to move and win except where noted.
a)
White Mates in 5. Kaidanov vs Peter Bereolos, Saint Paul, 2000
r1b5/p3N1kr/3p4/q1pPbpB1/7Q/7P/P1P2PP1/1R2R1K1 w - - id 1-0
[ Bf6+ if Bxf6 Qg3+ or if Kf7 Qxh7+ ]

b)
Kaidanov vs Jesse Kraai, Seattle, 2002
1b3r1k/q1rR3p/1p3p2/1np1N3/4B3/P5P1/4QP1P/2R3K1 w - - id 1-0
[ Nf7+ if Rxf7 Rd8+ Kg7 Qh5 mates or if Kg8 Qg4# ]

c)
Kaidanov vs Konstantin Lerner, Moscow, 2003
1r4k1/1p1rnppp/p5b1/3P4/1BP1p3/PN2P2P/6P1/2R2RK1 w - - id 1-0
[ Nc5 if Rc7 d6 or if Rdd8 Nxa6 ]

d)
Kaidanov vs James Mennella, Chicago, 2006
r2q1rk1/pbp1bppp/1p2p3/3Pn3/Q7/2N3P1/PP2PPBP/R1B2RK1 w - - id 1-0
[ d6 ]

e)
Kaidanov vs Smbat Lputian, Calvia, 2004
5rk1/1r1n1pbp/1pn1p1p1/1N4q1/1PP5/1Q2P1B1/4B1PP/3R1R1K w - - id 1-0
[ Bf3 ]



Kaidanov Puzzles, Part V. Black to move and win except where noted.
a)
White to move and win. Kaidanov vs Anna Zatonskih, San Diego, 2006
1brr4/p1n1qp1k/2p1pp1p/Q7/2P1N3/5N1P/PP3PP1/3RR1K1 w - - id 1-0
[ Nd4 if Ne8 Nxc6 ]

b)
Boris Nisman vs Kaidanov, Planernaya, 1981
8/6pk/Q2b1p2/3P3p/4p1qP/P7/5BP1/6K1 b - - id 0-1
[ ...Qd1+ if Qf1 Bh2+ ]

c)
Vladimir Titenko vs Kaidanov, Kislovodsk, 1984
6k1/1q5p/1n1R2p1/4p3/r1p3K1/6PP/P3QP2/2B5 b - - id 0-1
[ ...h5+ Kg5 Qe7+ ]

d)
Black Mates in 4. Eduardas Rozentalis vs Kaidanov, Vilnius, 1984
6k1/6pp/p3p3/1pb5/5P2/PQ3RKP/1P3P1B/3r3q b - - id 0-1
[ ...Rg1+ ]

e)
Alexander Graf vs Kaidanov, Pinsk, 1986
4r1k1/6pp/p7/1p1qN3/5Pn1/3Q4/PP4PP/3R2K1 b - - id 0-1
[ ...Qc5+ ]

Kaidanov Puzzles, Part VI. Black to move and win except where noted.
a)
Vladimir Zhelnin vs Kaidanov, URS, 1986
6k1/1pp2pp1/pq5p/4P3/2P2n2/1P1rnNPP/1P1NR2K/1Q6 b - - id 0-1
[ ...Nxe2 if Qxd3 Ng4+ mates ]

b)
Devaki Prasad vs Kaidanov, Calcutta, 1988
r3r1k1/ppp2pp1/2nb4/3Q3p/3P2bP/N1PqB3/PP2NPP1/4RK1R b - - id 0-1
[ ...Rxe3 if fxe3 Bg3 ]

c)
Viktor Moskalenko vs Kaidanov, Lvov, 1988
2b2rk1/pB2q1b1/2P1p2p/8/4Q2p/2r2P2/2N2P1P/R4RK1 b - - id 0-1
[ ...Rxc2 Qxc2 Bxa1 Rxa1 Qg7+ ]

d)
Black Mates in 2. Ram Ofek vs Kaidanov, London, 1990
b3r1k1/5ppp/p2p4/p4qN1/Q2b4/6R1/5PPP/5RK1 b - - id 0-1
[ ....Qxf2+ ]

e)
Black Mates in 5. Jim Towsley vs Kaidanov, Dearborn, 1992
8/5p1k/4pn1p/1P4p1/4q3/1N2Q1PK/5P1P/8 b - - id 0-1
[ ...g4+ Kh4 Qg2 ]



Kaidanov Puzzles, Part VII. Black to move and win except where noted.
a)
Black Mates in 5. Leon Piasetski vs Kaidanov, Las Vegas, 1992
1Q6/6pk/P7/NR1q2np/2p1r1PK/4P3/P6P/8 b - - id 0-1
[ ...Nf3+ if Kh3 Ng1+ or if Kg3 Rxg4+ ]

b)
David Levin vs Kaidanov, Philadelphia, 1993
1r3rk1/Qbq2ppp/2pbp3/3n4/3P4/B1P2N2/P3BPPP/1R2K2R b K - id 0-1
[ ...Ba8 ]

c)
Tal Shaked vs Kaidanov, Philadelphia, 1993
4r1k1/bppb1pp1/p2p1q1p/3Pr3/2PN3n/2Q1B2P/PPB2PP1/R2R2K1 b - - id 0-1
[ ...Rxe3 fxe3 Qg5 if Rd2 Rxe3 or if Qd2 Bxd4 ]

d)
Black Mates in 5. Viktor Kupreichik vs Kaidanov, Tilburg, 1993
2br2k1/B1pN2p1/6n1/7p/6Pb/1N5K/PP3r1P/2R4R b - - id 0-1
[ ...hxg4+ Kxg4 Bxd7+ Kh5 Rf5+ ]

e)
Dmitry Gurevich vs Kaidanov, Lexington, 1995
k6r/p4ppp/2R1p3/3rP1P1/1Q3P1P/3q4/KP6/2R5 b - - id 0-1
[ ...Rb8 if Qa4 Ra5 Qxa5 Qb3+ mates ]

Kaidanov Puzzles, Part VIII. Black to move and win except where noted.
a)
Igor Ivanov vs Kaidanov, Parsippany, 1996
1r3rk1/2pq2pp/5p2/N1b1pb2/P2n4/1PR3P1/1RN2PBP/3Q2K1 b - - id 0-1
[ ...Bg4 w/...Ne2+ ]

b)
Black Mates in 4. Tal Shaked vs Kaidanov, Parsippany, 1996
4r1rk/pQ2P2p/P7/2pqb3/3p1p2/8/3B2PP/4RRK1 b - - id 0-1
[ ...Rxg2+ if Kh1 Rg1+ ]

c)
Michael Rohde vs Kaidanov, Internet, 2000
6rk/pb4rp/3n3q/1p1PpB2/1Qp1Pn2/4R1N1/PP3PPN/5RK1 b - - id 0-1
[ ...Nxf5 if exf5 Nxd5 ]

d)
Sergey Kudrin vs Kaidanov, Stillwater, 2007
4r1k1/5pp1/p1q4p/8/P1pQ4/2Pn1P1P/R4BP1/6K1 b - - id 0-1
[ ...Nc1 ]




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