Here are some chess puzzles from the Catalan, Open, 5.Qa4+ (ECO E02).



1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+



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)
Erno Gereben vs Tibor Florian, Budapest, 1946
4qr2/p1p1bpk1/4pp1p/1rPb3P/1p6/1P2QNP1/P3PPB1/2RR2K1 w - - 0 1
[ Rxd5 exd5 Nd4 if Rb8 Nf5+ mates ]

b)
Eleazar Jimenez vs Edward Lasker, Habana, 1952
4k2r/pp3ppp/1qn1p3/4r3/4Q3/B5P1/PP3PKP/2RR4 w k - 0 1
[ Qxe5 ]

c)
Aleksander Wojtkiewicz vs Nicolas Rojas, Sevilla, 1990
2r3k1/3Rbppp/p3p3/2q1B3/2p1Q3/6P1/PP2PPKP/8 w - - 0 1
[ Bd4 if Qb4 a3 or if Qg5 h4 ]

d)
Hung Fioramonti vs Christian Terraz, Switzerland, 1993
r1b2rk1/pp2qppp/2pb1n2/4n3/2QB4/2N2NP1/PP2PPBP/R2R2K1 w - - 0 1
[ Nxe5 if Bxe5 Bc5 ]

Recent E02 Games


E02 Puzzles, Part II. White to move and win except where noted.
a)
Ricardo Kropff vs Rodrigo Cubas, Asuncion, 1999
r4rk1/1p1b1pp1/p2Rpn1p/4n3/N7/4B1P1/PP2PPBP/2R3K1 w - - 0 1
[ Nb6 if Rad8 Bd4 ]

b)
Mark Usachyi vs Kurt Pape, Dresden, 2001
r1b2rk1/pp1nbppp/5n2/4p3/2qN4/P1N3P1/1PQ1PPBP/R1BR2K1 w - - 0 1
[ Nd5 if Qc5 b4 ]

c)
White Mates in 7. Semyen Furman vs A Koblenc, Sverdlovsk, 1947
1r2qr2/ppp2ppk/2b4N/8/4n2R/2P3PB/P2QPP1P/5RK1 w - - 0 1
[ Bf5+ Kh8 Ng4+ Kg8 Bh7+ ]

d)
Thomas Wyrwich vs Malte Bolczek, NRW, 1998
rq2rbk1/1p1n1ppp/p7/4nP1Q/4N3/1P4P1/PB4BP/2RR3K w - - 0 1
[ Rxd7 if Nxd7 Ng5 mates ]

e)
White Mates in 4. Mihail Kopylov vs Michael Wiertzema, Travemunde, 2002
r2r4/1p1bn2p/pn2ppkB/5p2/4PQN1/6P1/PPq2PBP/R2R2K1 w - - 0 1
[ Ne5+ fxe5 Qg5+ ]

E02 Puzzles, Part III. Black to move and win.
a)
Taras Prokhorovich vs Isaak Lipnitsky, Baku, 1951
5rk1/1pQ2ppp/3q4/3pNb2/1P1Pn3/5BP1/4rP1P/R1R3K1 b - - 0 1
[ ...Re1+ ]

b)
Braslav Rabar vs Nikola Karaklajic, Vrnjacka Banja, 1962
r2r2k1/5ppp/p3pb2/4n3/RP1Nq3/1Q2P1PP/1B3P2/R5K1 b - - 0 1
[ ...Rxd4 if exd4 Nf3+ ]

c)
Clive Lane vs Vasil Tulevski, Canberra, 2001
3rk2r/1p1bqpp1/4p2p/pP1nb3/P1Q1N3/R5P1/2N1PPBP/3R2K1 b k - 0 1
[ ...Rc8 Qd3 Rxc2 if Qxc2 Qxa3 ]

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