'Best Chess Puzzles' series from wtharvey.com


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Here are some chess puzzles from the games of Antoaneta Stefanova.
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)
Stela Milanova vs Antoaneta Stefanova, Pernik, 1992
2kr1b1r/p1p2ppp/2p2n2/q7/3N2b1/2N2P2/PPP3PP/R1BQ1RK1 b - - 0 1
[ ...Rxd4 ]

b)
Antoaneta Stefanova vs M Vasilzeva, Rimavska Sobota, 1992
1r2k2r/p2qbppp/4bn2/4p1B1/Q2pN3/6P1/PP2PPBP/R4RK1 w - - 0 1
[ Nxf6+ & Bc6 ]

c)
Antoaneta Stefanova vs Dmitrij Scerbin, Mlada Boleslav, 1993
r3rk2/p4p1p/6p1/2N1p3/4P1b1/n5P1/P4P1P/2RR1BK1 w - - 0 1
[ f3 if Bxf3 Rd3 or if Be6 Rc3 ]

d)
Black mates in 4. Ketevan Arakhamia-Grant vs Antoaneta Stefanova, Belgrade, 1994
3Rr2k/pp4pb/2p4p/2P1n3/1P1Q3P/4r1q1/PB4B1/5RK1 b - - 0 1
[ ...Nf3+ ]

e)
Black mates in 5. Paulo Felizes vs Antoaneta Stefanova, Las Palmas, 1996
4r1k1/pp1Q1ppp/5p2/8/3P1nK1/5P2/P5PP/4q1NR b - - 0 1
[ ...h5+ if Kf5 g6+ Kxf4 g5+ Kf5 Qb1+ ]

Antoaneta Stefanova puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Antoaneta Stefanova vs Diana Darchia, Groningen, 1998
rn2k2r/p1p2qpp/1p1bpp2/7Q/3PpN2/2P1P1B1/PP3PPP/R3KR2 w - - 0 1
[ Nxe6 Ke7 (if g6 Qd5 or if Qxh5 Nxg7+) Bxd6+ cxd6 Qxf7+ w/Nc7 ]

b)
Antoaneta Stefanova vs Chen Zhu, Groningen, 1998
8/3n2p1/p1k4p/2P2Nn1/1R6/1Nr2PK1/7P/8 w - - 0 1
[ Ne7+ w/Nd5+ ]

c)
Zhu Chen vs Antoaneta Stefanova, Groningen, 1999
r5k1/2p3pp/8/r2bR3/P3N3/4n1P1/6BP/R5K1 b - - 0 1
[ ...Nxg2 if Kxg2 Bb7 ]

d)
Antoaneta Stefanova vs Pallavi Shah, Moscow, 2001
5r1k/p3n1qp/2ppb3/2p1p1rR/4PpP1/3P1P2/PPP1N3/2KNQ2R w - - 0 1
[ Rxh7+ Qxh7 Rxh7+ Kxh7 Qh4+ w/Nf2 ]

e)
Antoaneta Stefanova vs Monica Calzetta, Warsaw, 2001
r1b2rk1/pp1p1pbp/1q2p1pn/1N6/Q1Pp1B2/6P1/PP2PPBP/R3K2R w - - 0 1
[ Bc7 if Qc5 Bd6 ]

Antoaneta Stefanova puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
Turkan Mamedjarova vs Antoaneta Stefanova, Kocaeli, 2002
4rb1k/ppqr2pp/2p1n3/4pN1b/4P3/2Q1BNRP/PPP2P1K/6R1 b - - 0 1
[ ...Bxf3 if Rxf3 Nd4 w/...Ne2 ]

b)
Antoaneta Stefanova vs Rudin Hamdani, Surabaya, 2002
8/1p5p/1r1p2pk/2pPq3/p7/2P5/1P3QPP/5RK1 w - - 0 1
[ Qh4+ if Kg7 Qd8 Ra6 Qf8# or if Qh5 Qd8 Ra6 Qf8+ mates ]

c)
Antoaneta Stefanova vs Carolina Lujan, Calvia, 2004
2q5/kp6/p7/6Qp/P1prp3/1P6/2P3PP/4R2K w - - 0 1
[ Qe3 if Qc5 b4 ]

d)
Antoaneta Stefanova vs L Bruzon, Wijk aan Zee, 2004
4r2k/p6p/1r1nq1pN/2p1p3/2p4Q/3n1RP1/P2P3P/2B2RK1 w - - 0 1
[ Nf7+ w/Ng5 ]

e)
S Ernst vs Antoaneta Stefanova, Wijk aan Zee 'B', 2005
5r2/kqr5/p3Q3/4NBp1/1b1p1P2/8/PP2KPPP/3R4 b - - 0 1
[ ...Re7 ]

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Antoaneta Stefanova puzzles, pt. iv.
The color disk on the diagram indicates who moves first.
a)
Antoaneta Stefanova vs Nikolaos Skalkotas, Athens, 2005
3q1rk1/r6p/2Rp4/pp1PpRP1/6pP/6n1/PP2P1B1/2Q3K1 w - - 0 1
[ Rxf8+ Qxf8 Qe3 ]

b)
Antoaneta Stefanova vs P Harikrishna, Cap d'Agde, 2006
2R5/5rpk/4N2p/4p3/7P/3n2P1/5PK1/8 w - - 0 1
[ Nf8+ if Kg8 Ng6+ mates ]

c)
Elina Danielian vs Antoaneta Stefanova, Dresden, 2007
r3b1k1/5p2/6pp/8/pR4PP/3B2K1/1P3P2/8 b - - 0 1
[ ...a3 if bxa3 Rxa3 ]

a)
Antoaneta Stefanova vs Nadezhda Kosintseva, Tbilisi, 2012
2r2rk1/pbq1bppp/4p3/p1np4/R7/1P1BP3/1BPN1PPP/3Q1RK1 w - - 1 0
[ Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 ]

d)
Antoaneta Stefanova vs Nino Khurtsidze, Batumi, 2012
rnq3k1/p3b1pp/1p2r3/4Np2/4bB2/1Q6/PP3PPP/3R1RK1 w - - 1 0
[ Rd7 if Nxd7 Qxe6+ Kh8 Nf7+ Kg8 Nd6+ ]

e)
White mates in 3.
Antoaneta Stefanova vs Anna Ushenina, Khanty Mansyisk, 2012
5qk1/5N1p/5Qnp/pBp5/5P2/P6P/1P1r2P1/1b5K w - - 1 0
[ Nxh6+ Qxh6 Bc4+ ]

Antoaneta Stefanova puzzles, pt. v.
The color disk on the diagram indicates who moves first.
a)
Black mates in 5.
Andreas Persson vs Antoaneta Stefanova, Paleochora, 2012
3r3k/2p3p1/7p/4p3/QBb1p3/2P3P1/4qP1P/R5K1 b - - 0 1
[ ...e3 fxe3 Qxe3+ ]

b)
Antoaneta Stefanova vs David Eggleston, England, 2013
r1qr2k1/pb2bppp/8/N2pP2n/Q1p2P2/P1N5/1P3PBP/R2R2K1 w - - 1 0
[ Nxb7 Qxb7 Nxd5 if Kh8 Ne3 ]

c)
White mates in 3.
Antoaneta Stefanova vs Monika Socko, Warsaw, 2013
kr5r/p1p4q/Q1P1p3/1RRn1pp1/1bnP3p/4P1P1/P2B1PBP/6K1 w - - 1 0
[ Rb7 ]

d)
White mates in 3.
Antoaneta Stefanova vs Marie Sebag, Beijing, 2013
2r3k1/3b1p1p/1p2p3/b5p1/P1pPP3/5P1P/NK2N2B/4n1R1 w - - 1 0
[ Rxg5+ ]

e)
Antoaneta Stefanova vs Milan Kandic, Caleta, 2014
5rk1/2qn1p1p/b4n2/p1p1pQ2/Pp2P3/6NP/BPP2PP1/3R2K1 w - - 1 0
[ Nh5 if Nxh5 Rxd7 or if Qc6 Qg5+ mates ]

Antoaneta Stefanova puzzles, pt. vi.
The color disk on the diagram indicates who moves first.
a)
Antoaneta Stefanova vs Alexandra Samaganova, Tromsoe, 2014
3q1r1k/4r1p1/pp3bQp/2pN1P2/P1P5/3B3P/1P4P1/4R2K w - - 1 0
[ Rxe7 if Bxe7 f6 ]

b)
White mates in 3.
Antoaneta Stefanova vs Anna Ushenina, Beijing, 2014
8/ppk5/3b1B1p/2p3p1/2P2qP1/1PQ2B2/P5K1/8 w - - 1 0
[ Qa5+ if Kd7 Qd8+ or if b6 Qxa7+ ]

c)
Bela Khotenashvili vs Antoaneta Stefanova, Huai'an, 2016
3rr1k1/pq4b1/5n1p/1p6/7P/1P1pP1P1/PB4Q1/2R1RNK1 b - - 0 1
[ ...Qxg2+ Kxg2 d2 ]

d)
Antoaneta Stefanova vs Mariya Muzychuk, Hengshui, 2019
1n6/1p6/2k1q1p1/1p2n1Pp/2p4P/2Q2P2/PPP5/2KR4 w - - 1 0
[ 1.Re1 Nbd7 2.f4 ]

e)
Marie Sebag vs Antoaneta Stefanova, Monaco, 2019
4r3/2pq2pk/p5rp/1p3p2/3PNR1n/1QP3PP/PP5K/5R2 b - - 0 1
[ 1...Rxe4 2.Rxe4 fxe4 if 3.gxh4 Qd6+ mates or if 3.Rf8 Nf3+ ]

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