Here are some chess puzzles from the English (ECO A20).



1.c4 e5 w/o 2.Nc3



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)
Horst Mueller vs F Fluck, BRD, 1953
2kr3r/1ppb1ppp/p1n5/3R4/q3P3/B1P2PP1/P3B2P/2Q1K2R w K - 0 1
[ Bd1 if Qc4 Bb3 ]

b)
Jaime Emma vs Otto Benitez, Fortaleza, 1975
r1bq1rk1/p1p2pp1/1p5p/3nN3/8/3P2P1/P2QPPBP/R1R3K1 w - - 0 1
[ Nc6 if Qd6 Bxd5 ]

c)
Cano De Arribas vs Francesco Rojas Delgado, Centelles, 1996
rnb2rk1/pppq1p1p/3p1bp1/4p3/2B1P2N/P1NP4/1PPQ1P1P/2K3RR w - - 0 1
[ Nxg6 if hxg6 Rxg6+ Bg7 Qh6 mates ]

d)
White Mates in 3. Sergey Akchelov vs Alexander Shukan, Alushta, 1997
r1bn1b2/ppk1n2r/2p3pp/5p2/N1PNpPP1/2B1P3/PP2B2P/2KR2R1 w - - 0 1
[ Nb5+ if cxb5 Be5+ ]

e)
Michael Wais vs Jivan Cuba, Oberwart, 1997
r3kb1r/ppq1n1pp/2p3b1/4n1p1/4PB2/2N3P1/PPQ2PBP/2KR3R w kq - 0 1
[ Nb5 if Qb8 Bxe5 Qxe5 Ne6+ Kd8 Nxe5 ]

Recent A20 Games


A20 Puzzles, Part II. White to move and win except where noted.
a)
Reinhard Blodig vs Helmut Appel, Kaufbeuren, 1998
1rb2rk1/p2q2pp/2pb4/2Bp1p2/6n1/1N1Q2P1/PP2PPBP/R4RK1 w - - 0 1
[ Bxd5+ ]

b)
Mihai Suba vs Eladio Benito Alba, La Coruna, 1999
3r1rk1/pp1nbppp/2pp1n2/q3p3/2PPP3/2N1BBP1/PP1Q1P1P/R4RK1 w - - 0 1
[ Nd5 ]

c)
Aleksander Delchev vs Verter Cugini, Imperia, 2000
r1bqk2r/pp1pnpbp/2n3p1/1N2p3/2P5/B5P1/3PPPBP/R2QK1NR w KQkq - 0 1
[ Bd6 if 0-0 Bc7 Qe8 Nd6 ]

d)
Arild Lauvsnes vs Nils Grotnes, Langesund, 2001
rnb1k2r/pp2nppp/2p5/q3P3/8/2b2NP1/P2NPPBP/R1BQ1RK1 w kq - 0 1
[ Nc4 if Qc7 Nd6+ Kf8 Qb3
or if Qb4 Nd6+ Kf8 (if Kd7 Ba3) Nxc8 Nxc8 Qd8#
]

e)
White Mates in 3. Franz Hoelzl vs Michael Schwarz, Austria, 2003
r1b1r1k1/ppp1np1p/2np2pQ/5qN1/1bP5/6P1/PP2PPBP/R1B2RK1 w - - 0 1
[ Qxh7+ Kf8 Ne6+ ]

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