Here are some chess puzzles from the games of Victor Korchnoi.
White to move and win except where noted.

Solutions are between the brackets under each puzzle.
Drag your mouse from one bracket to the other.


a)
Korchnoi vs Boris Spassky (age 11), Tallinn, 1948
r3kb1r/pp3p1p/3p1np1/4p3/4PPq1/2N2Q2/PPP3PP/R1B1K2R w - - 0 1
[ Nd5 ]

b)
Korchnoi vs Isaac Lipnitsky, Moscow, 1952
r1br2k1/pp3ppp/4p3/1qbP4/R4B2/6P1/P1QRPPBP/6K1 w - - 0 1
[ Bc7 w/Ra5 ]



c) White Mates in 3. Korchnoi vs Lev Polugaevsky, Tbilisi, 1956
3r1rk1/2qP1p2/p2R2pp/6b1/6P1/2pQR2P/P1B2P2/6K1 w - - 0 1

d)
Korchnoi vs Boris Vladimirov, Sochi, 1958
3r1rk1/5qp1/p1np1b1p/4pQ2/Pp2P1N1/1N5R/1PP3PP/3R3K w - - 0 1
[ Rxh6 w/Nxh6+ ]

e)
Korchnoi vs Stefan Witkowski, Krakow, 1959
r1b1k2r/pp2ppbp/2n3p1/4q3/1n2B3/P5P1/1P1BNP1P/RN1Q1RK1 w - - 0 1
[ Bxc6 Nxc6 Bc3 ]



Korchnoi Puzzles, Part II. White to move and win.
a)
Korchnoi vs Ludek Pachman, Buenos Aires, 1960
1rn2k2/4r2p/1pB1bpp1/q1N1p3/3p4/3P2P1/1RQ1PP1P/1R4K1 w - - 0 1
[ Nxe6+ Rxe6 Bd7 ]

b)
Korchnoi vs Rudolf Teschner, Stockholm, 1962
2r3k1/p2bQppp/1rp5/3pP3/P2N1P2/1P4Pq/7P/2R1R1K1 w - - 0 1
[ e6 if Bxe6 f5 or if Be8 Qxa7 w/exf7+ & Re7 ]

c)
Korchnoi vs Alexander Zaitsev, Yerevan, 1962
r2qn3/pp3kp1/4bp1p/3n4/3P3P/1B3Q2/PP3P2/2R1R1K1 w - - 0 1
[ Rxe6 if Kxe6 Qe4+ Kf7 Bxd5+ Kf8 Qe6 ]



d) White Mates in 4. Korchnoi vs Andrei Peterson, Kiev, 1965
r2r1n2/pp2bk2/2p1p2p/3q4/3PN1QP/2P3R1/P4PP1/5RK1 w - - 0 1

e)
Korchnoi vs Theodor Ghitescu, Bucharest, 1966
r3r3/1p3n1k/p2p3p/P1NPqb2/1R3Q2/5P2/N6P/6RK w - - 0 1
[ Nd7 if Qxf4 Rxf4 Bg6 Nf6 ]

Korchnoi Puzzles, Part III. White to move and win.
a)
Korchnoi vs Yee Fung, Havana, 1966
rnb2rk1/pp4pp/4P3/5p2/3qn3/3B4/PPQ2PPP/R1B2RK1 w - - 0 1
[ e7 Re8 Qb3+ Kh8 Qf7 if Bd7 Qf8+ ]

e)
Korchnoi vs Vladimir Antoshin, Sochi, b966
8/5p2/5p1p/Pk6/R7/5rP1/2K4P/8 w - - 0 1
[ a6 ]

c)
Korchnoi vs Alexei Suetin, Tbilisi, 1966
r1q3k1/pp3rb1/n2p1n1p/P2Pp2Q/4Np1N/R5P1/1P3P1P/2B2RK1 w - - 0 1
[ Qxf7+ Kxf7 Nxd6+ ]

d)
White Mates in 5. Korchnoi vs Istvan Bilek, Sousse, 1967
5r2/pQ6/Pp3b1k/2p1N2p/2B3p1/1P4P1/5PPK/4q3 w - - 0 1
[ Bd3 if Bg7 Nf7+ mates ]

e)
Korchnoi vs Joao Cordovil, Lugano, 1968
4n3/1p5k/p2P1n1p/1Np1pp2/P1B5/7P/1P3PPK/8 w - - 0 1
[ Bf7 ]

Korchnoi Puzzles, Part IV. White to move and win.
a)
Korchnoi vs Kick Langeweg, Wijk aan Zee, 1971
r3rbk1/2qn2pp/2p2p2/ppn1p2b/4P3/4NPPB/PPP3QP/3RNRBK w - - 0 1
[ Bxd7 if Nxd7 Qh3 ]

b)
Korchnoi vs Miguel Najdorf, Wijk aan Zee, 1971
r2q1rk1/pp2np2/1b5p/1B2BRp1/3P4/5Q2/PP4PP/R5K1 w - - 0 1
[ Rxg5+ if hxg5 Qf6 or if Ng6 Rxg6 fxg6 Bc4+ Kh7 Qxb7 ]

c)
Korchnoi vs Hans Ree, Amsterdam, 1972
3rr1k1/1p3p1p/2pp1Qn1/p1q5/4B2R/6PP/PP2PP2/5RK1 w - - 0 1
[ Rxh7 ]

d)
Korchnoi vs Bertus Enklaar, Leeuwarden, 1976
r5k1/1ppqr1p1/7p/n1p2p2/n1P2P2/P2PPB1P/1BQ4K/3R2R1 w - - 0 1
[ Bf6 ]

e)
Korchnoi vs Jonathan Mestel, London, 1976
r6b/pppk4/3p2p1/3PpPqb/2P2p1R/2NQ4/PP1B1PP1/2K5 w - - 0 1
[ Qh3 ]

Korchnoi Puzzles, Part V. White to move and win.
a)
Korchnoi vs Anatoly Karpov, Baguio, 1978
2r3k1/p1nq1pbp/4p1p1/3pP3/3P1P2/1r2B1PP/1PR1B3/R4QK1 w - - 0 1
[ Qc1 if Rb7 Ba6 ]

b)
Korchnoi vs Robert Huebner, South Africa, 1981
2r1r2k/1bp1b2p/p1R2np1/Bp4N1/3qB3/1Q4P1/PP3P1P/5K1R w - - 0 1
[ Bc3 if Qd7 Rxf6 ]

c)
Korchnoi vs Anthony Miles, Wijk aan Zee, 1984
3r3k/ppNbrppp/2n5/7Q/qP3P2/P2R4/5PBP/5RK1 w - - 0 1
[ Qc5 if b6 Bxc6 or if Re2 Rxd7 ]

d)
White Mates in 7. Korchnoi vs Uwe Beimfohr, Switzerland, 1986
r2qk2r/1p1n1pbp/1n4p1/pB1QP3/P2P4/BP6/5PPP/R3R1K1 w kq - 0 1
[ e6 if Qf6 exd7+ Kd8 Re8+ ]

e)
White Mates in 5. Korchnoi vs Lajos Portisch, Reykjavik, 1987
4Qbk1/6p1/7p/1p1p4/4bP2/1P2B1R1/2PK4/5q2 w - - 0 1
[ Rxg7+ if Kxg7 Bd4+ ]

Korchnoi Puzzles, Part VI. White to move and win except where noted.
a)
White Mates in 2. Korchnoi vs Lev Gutman, Wijk aan Zee, 1987
8/1p3Qb1/p5pk/P1p1p1p1/1P2P1P1/2P1N2n/5P1P/4qB1K w - - 0 1
[ Nf5+ ]

b)
Korchnoi vs Johann Hjartarson, Saint John, 1988
r1b2rk1/4b1pp/3qpn2/pp1pN3/3B1Q2/1P1N2P1/P1R1PP1P/2R3K1 w - - 0 1
[ Bc5 if Qc7 Ng6 ]

c)
White Mates in 5. Korchnoi vs Felix Csajka, Zurich, 1988
3r4/1b2bNk1/4pnp1/1p4B1/3p1P2/1PqB2R1/r3Q1P1/4R1K1 w - - 0 1
[ Bh6+ if Kg8 Rxg6+ or if Kh7 Bxg6+ or if Kxf7 Qxe6+ ]

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