Tactics in the openings series

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

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

c)
Kaidanov vs Peter Szekely, Moscow, 1985
2rn2k1/p4p1p/1p3Qp1/3p4/q2PP1P1/P7/1Br1R1PP/4R1K1 w - - 0 1
[ Rxc2 if Qxc2 Rc1 ]

d)
Black to move and win. Alexander Graf vs Kaidanov, Pinsk, 1986
4r1k1/6pp/p7/1p1qN3/5Pn1/3Q4/PP4PP/3R2K1 b - - 0 1
[ ...Qc5+ ]

e)
White Mates in 7. Kaidanov vs Aleksej Shestoperov, URS, 1986
2r2nk1/1b5p/pp2N1p1/8/1P6/P3n3/BB5P/5RK1 w - - 0 1
[ Nc7+ Nd5 Nxd5 Rc3 Bxc3 h5 Nf6+ Kg7 Ng4+ Kh7 Rf7+ Kg8 Nh6# ]

Kaidanov Puzzles, Part II. White to move and win except where noted.
a)
White Mates in 3. Kaidanov vs Viswanathan Anand, Moscow, 1987
3qrk2/p1r2pp1/1p2pb2/nP1bN2Q/3PN3/P6R/5PPP/R5K1 w - - 0 1
[ Qxf7+ ]

b)
White Mates in 5. Kaidanov vs Rudolf Florjancic, Bled, 1989
r4rk1/pq3p2/1p1R3p/2p1pQ2/5P2/4P1P1/PP4P1/R5K1 w - - 0 1
[ Qg4+ w/Rxh6+ & Kf2 ]

c)
Kaidanov vs Alexei Shirov, Moscow, 1989
2n1r3/p1q1rpkp/1pbp2p1/2P5/1P1RP3/3N2P1/P2Q2BP/4R1K1 w - - 0 1
[ cxd6 Nxd6 e5 if Nb5 Rc4 ]

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

e)
Kaidanov vs Robert Reynolds, Dublin, 1991
r1b2k2/2qp1pp1/p1nNpr2/1p2n2p/4P3/2N1Q3/PPP1B1PP/2KR1R2 w - - 0 1
[ Rxf6 gxf6 Qh6+ Ke7 Nf5+ ]

Kaidanov Puzzles, Part III. White to move and win except where noted.
a)
White Mates in 7. Kaidanov vs Charles Lamoureux, Torcy, 1991
r1r3k1/pb4q1/1ppp2BQ/8/2P5/8/P5PP/3R1R1K w - - 0 1
[ Bf7+ Qxf7 (if Kf8 Qxd6#) Rxf7 ]

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

c)
Black Mates in 5. Leon Piasetski vs Kaidanov, Las Vegas, 1992
1Q6/6pk/P7/NR1q2np/2p1r1PK/4P3/P6P/8 b - - 0 1
[ ...Nf3+ if Kh3 Ng1+ or if Kg3 Rxg4+ ]

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

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

Ongoing series from wtharvey.com

Kaidanov Puzzles, Part IV. White to move and win except where noted.
a)
Black to move and win. Dmitry Gurevich vs Kaidanov, Lexington, 1995
k6r/p4ppp/2R1p3/3rP1P1/1Q3P1P/3q4/KP6/2R5 b - - 0 1
[ ...Rb8 if Qa4 Ra5 Qxa5 Qb3+ mates ]

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

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

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

e)
White Mates in 6. Kaidanov vs Peter Bereolos, Saint Paul, 2000
r1b5/p3N1kr/3p4/q1pPbpB1/7Q/7P/P1P2PP1/1R2R1K1 w - - 0 1
[ Bf6+ if Bxf6 Qg3+ or if Kf7 Qxh7+ ]

Kaidanov Puzzles, Part V. White to move and win except where noted.
a)
Kaidanov vs Konstantin Lerner, Moscow, 2003
1r4k1/1p1rnppp/p5b1/3P4/1BP1p3/PN2P2P/6P1/2R2RK1 w - - 0 1
[ Nc5 if Rc7 d6 or if Rdd8 Nxa6 ]

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

c)
White to move and win. Kaidanov vs Anna Zatonskih, San Diego, 2006
1brr4/p1n1qp1k/2p1pp1p/Q7/2P1N3/5N1P/PP3PP1/3RR1K1 w - - 0 1
[ Nd4 if Ne8 Nxc6 ]

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

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