Here are some chess puzzles from the Nimzo-Indian, Classical (ECO E32).
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2
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) M Chirvase vs A Ionescu, corr., 1967 rn1qr1k1/p1p4n/bp2p1p1/3p1pP1/2PP2P1/B1PBPP2/P3Q3/2KR3R w - - 0 1 [ Rxh7 if Kxh7 Qh2+ mates ]
b) Black Mates in 6. Yuri Averbakh vs Ratmir Kholmov, Riga, 1970 6k1/pp3ppp/2n5/2p1p3/2P1q3/BP1rPPPb/P1Q4P/R2B2K1 w - - 0 1 [ ...Rxd1+ Qxd1 Qxe3+ ]
c) White Mates in 5. Valery Salov vs E Talbot, Moscow, 1983 rnb1r1k1/pp1q1p2/1n2pBp1/4P3/2ppB2P/P1P2NR1/2Q2PP1/R3K3 w - - 0 1 [ Bxg6 if d3 Bxd3+ ]
d) Black Mates in 5. Peter Panzer vs Peter Wells, Hastings, 1989 1r1r2k1/p1p2ppp/b1B1p3/8/4P3/P4PP1/1P3KnP/R1B3NR b - - 0 1 [ ...Rxb2+ Bxb2 Rd2+ ]
e) Claude Baumann vs Moritz Wittwer, Bad Ragaz, 1990 4rrk1/pb1n1pp1/1p1p3p/3P4/2q1B2P/P1B5/1PQ2PP1/3R1RK1 w - - 0 1 [ Bh7+ Kh8 Bxg7+ ]
E32 Puzzles, Part II. White to move and win except where noted.
a) Braulio Sarmiento Alfonso vs Bruno Hernandez, Mesa, 1992 rnbqk2r/p1p2ppp/1p2pn2/3p4/1bPPP3/2N5/PPQ2PPP/R1B1KBNR w - - 0 1 [ Qa4+ if Nc6 cxd5 ]
b) Black Mates in 4. Peter Varga vs Sandor Horvath, Hungary, 1994 2r3k1/2pnq1pp/1p1pp1r1/pPP2p2/P2P4/4P2n/1BQNBP1P/R4R1K b - - 0 1 [ ...Qg5 w/...Qg1+ & ...Nxf2# ]
c) Larry Remlinger vs Les Gavora, New York, 1995 r4rk1/p2p1p1p/b1n1pp2/q1p5/2P5/P1QBPP2/1P2N1PP/R3K2R w - - 0 1 [ b4 cxb4 axb4 if Qb6 c5 ]
d) Markus Lindinger vs Olaf Teschke, Germany, 1997 r4r1k/pb2qppB/np2pn1p/2p5/1bP1N2B/4PN2/PPQ2PPP/2KR3R w - - 0 1 [ Nxf6 if gxf6 Rd7 ]
e) Todd Andrews vs Panayotis Tsiotridis, Korinthos, 1998 1r3rk1/2qn1pp1/2bppn1p/p1p5/2P5/PPQBP1B1/4NPPP/1R1R2K1 w - - 0 1 [ Bxd6 ]
E32 Puzzles, Part III. White to move and win except where noted.
a) Black to move and win. Yuri Zimmerman vs Johann Brauneder, Oberwart, 1998 rnbq1rk1/pp3ppp/8/3pP3/2pP4/b1P1B2P/P1Q2PP1/1K1R1BNR b - - 0 1 [ ...Bf5 if Qxf5 Qb6+ mates ]
b) Black to move and win. Giorgi Kacheishvili vs Vadim Milov, Batumi, 1999 5rk1/p4ppp/1p1qp3/2rn3Q/1P1R4/P1NRP3/5PPP/2K5 b - - 0 1 [ ...Nxb4 ]
c) White Mates in 5. Vladimir Lazarev vs Luc Renaze, France, 1999 3qr1k1/p1rn1p2/bp2pn1Q/4p3/2PP4/3B1PNP/P5P1/2R2RK1 w - - 0 1 [ Nh5 if Nxh5 Bh7+ ]
d) Vitali Golod vs Jan Werle, Vlissingen, 2000 3q1rk1/pb1n1pp1/1p3n1p/5B2/2rNP2B/P7/1P4PP/R3QRK1 w - - 0 1 [ Ne6 if fxe6 Bxe6+ ]
e) Black Mates in 3. Pablo Bulo vs Gabriel Mazziotti Irigoyen, Buenos Aires, 2002 5rk1/pR4pp/4p2r/2p1n2q/2P1p3/P1Q1P1P1/1P3P1P/R1B2NK1 b - - 0 1 [ ...Nf3+ if Kg2 Qh3+ or if Kh1 Qxh2+ ]