Here are some chess puzzles from the games of Antoaneta Stefanova.
White to move and win except where noted.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.


a)
Black to move and win. Stela Milanova vs Stefanova, Pernik, 1992
2kr1b1r/p1p2ppp/2p2n2/q7/3N2b1/2N2P2/PPP3PP/R1BQ1RK1 b - - 0 1
[ ...Rxd4 ]

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

c)
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 Stefanova, Belgrade, 1994
3Rr2k/pp4pb/2p4p/2P1n3/1P1Q3P/4r1q1/PB4B1/5RK1 b - - 0 1
[ ...Nf3+ ]

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



Stefanova Puzzles, Part II. White to move and win except where noted.
a)
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)
Stefanova vs Chen Zhu, Groningen, 1998
8/3n2p1/p1k4p/2P2Nn1/1R6/1Nr2PK1/7P/8 w - - 0 1
[ Ne7+ w/Nd5+ ]

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

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

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Stefanova Puzzles, Part III. White to move and win except where noted.
a)
Black to move and win. Turkan Mamedjarova vs Stefanova, Kocaeli, 2002
4rb1k/ppqr2pp/2p1n3/4pN1b/4P3/2Q1BNRP/PPP2P1K/6R1 b - - 0 1
[ ...Bxf3 if Rxf3 Nd4 w/...Ne2 ]

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

d)
Stefanova vs Nikolaos Skalkotas, Athens, 2005
3q1rk1/r6p/2Rp4/pp1PpRP1/6pP/6n1/PP2P1B1/2Q3K1 w - - 0 1
[ Rxf8+ Qxf8 Qe3 ]

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

f)
Black to move and win. Elina Danielian vs Stefanova, Dresden, 2007
r3b1k1/5p2/6pp/8/pR4PP/3B2K1/1P3P2/8 b - - 0 1
[ ...a3 if bxa3 Rxa3 ]

Antoaneta Stefanova Puzzles, Part IV.
The color disk on the diagram indicates who moves first.
a)
Antoaneta Stefanova vs Nadezhda Kosintseva, Tbilisi, 2/21/2012
2r2rk1/pbq1bppp/4p3/p1np4/R7/1P1BP3/1BPN1PPP/3Q1RK1 w - - 1 0
[ Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 ]

b)
Antoaneta Stefanova vs Nino Khurtsidze, Batumi, 6/2/2012
rnq3k1/p3b1pp/1p2r3/4Np2/4bB2/1Q6/PP3PPP/3R1RK1 w - - 1 0
[ Rd7 if Nxd7 Qxe6+ Kh8 Nf7+ Kg8 Nd6+ ]

c)
White mates in 3.
Antoaneta Stefanova vs Anna Ushenina, Khanty Mansyisk, 11/30/2012
5qk1/5N1p/5Qnp/pBp5/5P2/P6P/1P1r2P1/1b5K w - - 1 0
[ Nxh6+ Qxh6 Bc4+ ]

d)
Black mates in 5.
Andreas Persson vs Antoaneta Stefanova, Paleochora, 7/17/2012
3r3k/2p3p1/7p/4p3/QBb1p3/2P3P1/4qP1P/R5K1 b - - 0 1
[ ...e3 fxe3 Qxe3+ ]

e)
Antoaneta Stefanova vs David Eggleston, England, 5/5/2013
r1qr2k1/pb2bppp/8/N2pP2n/Q1p2P2/P1N5/1P3PBP/R2R2K1 w - - 1 0
[ Nxb7 Qxb7 Nxd5 if Kh8 Ne3 ]

f)
White mates in 3.
Antoaneta Stefanova vs Monika Socko, Warsaw, 11/16/2013
kr5r/p1p4q/Q1P1p3/1RRn1pp1/1bnP3p/4P1P1/P2B1PBP/6K1 w - - 1 0
[ Rb7 ]

g)
White mates in 3.
Antoaneta Stefanova vs Marie Sebag, Beijing, 12/14/2013
2r3k1/3b1p1p/1p2p3/b5p1/P1pPP3/5P1P/NK2N2B/4n1R1 w - - 1 0
[ Rxg5+ ]

Women World Chess Champions
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