Tactics in the King's Knight Openings


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Here are some chess puzzles from the Petrov Defense (ECO C42).



1.e4 e5 2.Nf3 Nf6



Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.
White to move and win except where noted.

a)
White mates in 4.
Richardson vs Eugene Delmar, New York, 1887
rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - - 0 1
[ Nf6+ gxf6 Qf8+ ]

b)
Tigran Petrosian vs Nerzesov, Tbilisi, 1944
rn1b1rk1/pp3ppp/2pp1nb1/6B1/3N2B1/2NP4/PPP2PPP/2KRR3 w - - 0 1
[ Bc8 Nbd7 Bxb7 ]

c)
David Moody vs David Levadi, Monroe, 1986
r4rk1/p1pqbppp/2p5/8/3P2b1/5N2/PP3PPP/R1BQR1K1 w - - 0 1
[ Ne5 Bxd1 Nxd7 Rfd8 Rxe7 ]

d)
Ivan Granados vs Victor Sanchez, Asturias, 1991
rnbqkb1r/ppp2ppp/8/4p3/2B5/2P5/PPP2PPP/R1BQK2R w KQkq - 0 1
[ Bxf7+ Ke7 Bg5+ Kxf7 Qxd8 ]

1a)
mate in 4
Richardson vs Eugene Delmar

C42 Puzzles, Part II.
White to move and win.
a)
White mates in 4.
Brian Lilly vs T Jacobson, Chicago, 1993
r3kr2/ppq3bp/2np2p1/2pBp1B1/4P1Q1/2PP4/PP3PPP/R3K2R w KQq - 0 1
[ Bxc6+ if Kf7 Bd5+ Ke8 Qe6+ ]

b)
David Roiz vs Mario Perez, El Berron, 1993
r2qr1k1/ppp2ppp/2n1bb2/3n4/3PB3/P1N2N1P/1P3PP1/R1BQR1K1 w - - 0 1
[ Bxd5 if Bxd5 Rxe8+ ]

c)
Joao Leonardo vs Alexandre Quadrio, Portugal, 1993
r1bq1rk1/1pp4p/p4bp1/4p3/5B2/2PB4/PPPQ1PP1/2KR3R w - - 0 1
[ Bc4+ Kh8 Qxd8 if Bxd8 Bxe5+ mates ]

d)
Wolfgang Stanka vs Viktor Koban, Graz, 1995
rnb1kb1r/ppp2ppp/3p2q1/4p1B1/2B5/2P2N2/PPP2PPP/R2Q1RK1 w - - 0 1
[ Nxe5 if Qxg5 Nxf7 Qh4 Qe2+ or if dxe5 Qd8# ]

2c)
Joao Leonardo vs Alexandre Quadrio

C42 Puzzles, Part III.
Black to move and win.
a)
Alfred Liesecke vs Christoph Alles, Castrop-Rauxel, 1989
rn1q1rk1/ppp3pp/8/3p1p2/2PP2b1/2NB1N2/PP2QnPK/R1B1R3 b - - 0 1
[ ...Nxd3 Qxd3 Bxf3 if gxf3 or Qxf3 Qh4+ ]

b)
Klaus Pokorny vs 'Fritz 2', Munich, 1994
r2qr1k1/ppp2ppp/2nb4/3p1b2/3Pn3/1P2BN1P/P1PNBPP1/R2Q1RK1 b - - 0 1
[ ...Nc3 Qe1 Nb4 Bd1 Bxc2 ]

c)
Igor Shtern vs Alexey Dvoretskij, Moscow, 1998
r2q1rk1/p3b1pp/Q7/n1ppNp1b/3Pn3/2PB3P/PP1N1PP1/R1B2RK1 b - - 0 1
[ ...Rf6 if Qb5 Be8 ]

d)
Georgio Berni vs Florian Bous, Lugano, 2000
r1bq1r1k/ppp3pp/2n5/5p2/1bBPn3/N4N2/PP2RPPP/R1BQ2K1 b - - 0 1
[ ...Bxa3 bxa3 Nc3 ]

e)
Karl-Heinz Schein vs Armin Kranz, Hartberg, 2004
r1q2rk1/pp2bppp/3p1nb1/2p5/2P4P/2P1BP2/PP1QN1P1/2KR1B1R b - - 0 1
[ ...Qf5 ]

3c)
Igor Shtern vs Alexey Dvoretskij

C42 Puzzles, Part IV.
Black to move and win except where noted.
a)
Candido Friera vs Lerma Carrillo, Spain, 1990
r4rk1/pp4q1/2p1bb2/2P1NppQ/3Pp3/P6P/1P2NPP1/2R2RK1 b - - 0 1
[ ...Bxe5 if dxe5 Bf7 ]

b)
Henning Nielsen vs Lars Hansen, Aarhus, 1992
r3r1k1/ppb1qp2/2ppbn1p/4p1p1/4P1B1/2PPN1B1/PP3PPP/R2Q1R1K b - - 0 1
[ ...Nxg4 Nxg4 h5 if Nh6+ Kg7 Qxh5 Rh8 ]

c)
Marco Pagnoncelli vs Sergio Garofalo, Cremona, 1992
r3k2r/ppp1qpb1/2npbn1p/8/6p1/P2P2B1/1PPNQPPP/2KRNB1R b kq - 0 1
[ ...Nd4 if Qe3 Nd5 ]

d)
Alexander Grischuk vs Sarkhan Guliev, Bratislava, 1993
2k1rb1r/1pp3pp/p7/3n1b2/2N2P2/2P1B2P/PP3KP1/R4B1R b - - 0 1
[ ...Nxe3 Nxe3 Bc5 if Re1 Rxe3 ]

e)
Black mates in 5.
Stjepan Kamenecki vs Ognjn Ilic, Zagreb, 1993
r3r1k1/ppp2ppp/8/3p4/5Qnq/1B1P1b2/PPP2PP1/RNB2RK1 b - - 0 1
[ ...Re1 if Nd2 Qxf2+ ]

4d)
Alexander Grischuk vs Sarkhan Guliev

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