King-pawn Opening Series

Here are some chess puzzles from the games of Alexander Ivanov.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)
White mates in 6.
Alexander Ivanov vs Anatolij Noskov, Kazakhstan, 1968
r2q3k/4b3/p2pP1RB/2pQ4/PpP1p3/8/1P2B2r/2K5 w - - 0 1
[ Bg7+ if Kh7 Qf5 Ra7 Rg3+ or if Kg8 Bf6+ Kf8 Rg8+ Kxg8 Qg5+ ]

b)
Alexander Ivanov vs Gennadi Zaichik, Riga, 1980
rnbq1rk1/pp3pb1/2p3p1/7n/3BpQ2/2N2P2/PPP3P1/2KR1BNR w - - 0 1
[ Bxg7 Nxf4 Rxd8 Rxd8 Bf6 Nh5 Bxd8 ]

c)
Alexander Ivanov vs Aleksandr Veingold, Parnu, 1982
3r1rk1/1b2bpp1/pN3n2/P6p/1PQ1nB2/6PP/1q2N1B1/2R2RK1 w - - 0 1
[ Rb1 Qa3 Rf3 ]

d)
White mates in 4.
Alexander Ivanov vs Ilia Smirin, Minsk, 1985
4Q3/1p3r1p/4R1pk/p7/P2BpP2/1q4PP/8/6K1 w - - 0 1
[ Rxg6+ if Kxg6 Qg8+ or if hxg6 Qh8+ ]

e)
White mates in 5.
Alexander Ivanov vs Farit Balabaev, Tbilisi, 1985
r1br2k1/p1q4N/1p2p1p1/2p2p2/2P1N2Q/8/PPP3PP/5nK1 w - - 0 1
[ Nhf6+ Kf8 Qh8+ ]

1b)

Alexander Ivanov puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Alexander Ivanov vs Larry Christiansen, USA, 1989
3q4/pp2NQ2/1kp1p2r/2N5/3P2p1/P3P3/1PP5/2K5 w - - 1 0
[ Nd5+ cxd5 Qxb7+ ]

b)
White mates in 2.
Alexander Ivanov vs S. Valdes, Washington, 1990
r1b3rk/2qn1p1p/p3pPpQ/1p1pP3/3R4/1BN5/PPP3PP/2K4R w - - 1 0
[ Qxh7+ ]

c)
Alexander Ivanov vs John Fedorowicz, Chicago, 1991
3rrbk1/1bq2p1p/p2ppPp1/6P1/2PpP3/1PN4R/P4QBP/3R2K1 w - - 1 0
[ Rxh7 Kxh7 Qh4+ Kg8 Rd3 mates ]

d)
White mates in 4.
Alexander Ivanov vs Carsten Hoi, Gausdal, 1991
R2bk1nr/1Q3p1p/4p1p1/2qP4/4P3/5N2/1PP2PPP/6K1 w k - 1 0
[ Ne5 if Qe7 Rxd8+ Qxd8 Qxf7# ]

e)
White mates in 3.
Alexander Ivanov vs Nathanael Situru, New York, 1994
1qnR1rk1/1p6/p5p1/P3p2p/4P2P/1PP1Q1PB/5P2/6K1 w - - 1 0
[ Qh6 if Rxd8 Be6# ]

2c)
Alexander Ivanov vs John Fedorowicz

Alexander Ivanov puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
Alexander Ivanov vs Eugene Martinovsky, Las Vegas, 1995
r1bqk2r/2pp1p1p/p5p1/np6/4P3/1B6/PPP2PPP/RN1QK2R w KQkq - 1 0
[ Qd5 ]

b)
Alexander Ivanov vs Dmitry Gurevich, Modesto, 1995
1r1R4/5ppk/p7/6P1/4P3/2r3q1/1PQ5/1K1R4 w - - 1 0
[ Rh1+ Kg6 Qd1 if Rcb3 Qh5# ]

c)
Alexander Ivanov vs Nathan Hoover, Sioux Falls, 1998
4rrk1/2pqbppp/p1n1b3/1p1pP3/3Nn3/1BP5/PP2QPPP/RNBR2K1 w - - 1 0
[ Nxe6 if fxe6 Qxe4 or if Qxe6 Bxd5 ]

d)
Alexander Ivanov vs Joshua Friedel, Mashantucket, 1999
r1bqk2r/pp1np1bp/4p1p1/2p5/6n1/2PB1N2/PP3PPP/RNBQ1RK1 w kq - 1 0
[ Ng5 if Bf6 Qxg4 Ne5 Bb5+ or if Nde5 Bb5+ Bd7 Nxe6 ]

e)
Alexander Ivanov vs Ronald Young, Stratton Mountain, 1999
4rrk1/pp2R2p/3p2p1/2q5/3n1P2/2NQ4/PP4PP/3R3K w - - 1 0
[ b4 Qb6 Nd5 ]

3e)
Alexander Ivanov vs Ronald Young

Other US GMs
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