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