Here are some chess puzzles from the games of Peter Leko. 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) Leko vs Zeyaad Janahi, Duisburg, 1992 1k1r4/pbp3pp/1np2pq1/4B3/2P5/1P2Q1PB/P4P1P/2K4R w - - 0 1 [ Bxc7+ Kxc7 Qf4+ Rd6 c5 ]
b) Leko vs Viktor Moiseev, Nettetal, 1992 2r2rk1/p5b1/b1npp1pB/8/2pPP1q1/2P2R2/P1BQN1P1/3R2K1 w - - 0 1 [ Rg3 Qh4 (if Qh5 Bxg7 Rh3 & Qh6+) Bg5 Qh5 (if Qh7 Rh3) Rh3 Qg4 Rh4 ]
c) White Mates in 3. Leko vs Vladimir Turta, Bratislava, 1993 nr2kb1r/1p3p1p/p2p1q2/P2Pp3/2N2p2/2P3PB/1P3P1P/R2QK2R w - - 0 1
d) Black to move and win. Philip Viner vs Leko, Sydney, 1992 2r3k1/p1r1ppbp/1p1q2p1/8/2BP2N1/PP3K2/1B1Q1P1P/2R5 b - - 0 1 [ ...b5 if Be2 Rxc1 Bxc1 Qc6+ ]
e) Black to move and win. Emil Szalanczy vs Leko, Budapest, 1993 2r2kr1/1pq1pp2/p2p3p/3Rn1p1/2nRP3/1NP3BP/P1P2PP1/4Q1K1 b - - 0 1 [ ...Nb6 Ra5 Nc6 Rc5 Nd7 if Rcc4 b5 ]
Leko Puzzles, Part II. White to move and win except where noted.
a) Leko vs Ramon Oltra Caurin, Oviedo, 1993 2r2k2/pp3pn1/q2pb1p1/7p/3N1r1P/P3NP2/1PPQ2P1/1KR4R w - - 0 1 [ Nd5 ]
b) Leko vs Attila Turzo, Szeged, 1994 3qr1k1/pp2ppb1/3p2p1/2rPn1B1/3N4/2P4Q/PP4PP/3R1R1K w - - 0 1 [ Ne6 if fxe6 Qxe6+ Kh7 Rd4 ]
c) Black to move and win. Vladimir Baklan vs Leko, Szeged, 1994 1r3rk1/1q4pp/2p1np2/4p3/P1P1P3/b3QNPP/5P2/BR3RK1 b - - 0 1 [ ...Qxb1 Rxb1 Rxb1+ Kg2 Bc5 if Qc3 Bb4 ]
d) White Mates in 6. Leko vs Giorgi Bakhtadze, Canary Islands, 1995 r1b2rn1/ppk3p1/3RQnBp/2p1P3/2P5/6B1/Pq3PPP/3R2K1 w - - 0 1 [ exf6 Bxe6 Rxe6+ Qe5 Bxe5+ ]
e) Black to move and win. Jozsef Horvath vs Leko, Budapest, 1997 6k1/4b1pp/pp2p3/8/2P2P2/1P1r2NK/PBR4P/3n4 b - - 0 1 [ ...h5 ]
Peter Leko Puzzles, Part II. The color disk on the diagram indicates who moves first.
a) White Mates in 3. Leko vs Ferenc Palasti, Hungary, 1998 3R4/p1r3rk/1q2P1p1/5p1p/1n6/1B5P/P2Q2P1/3R3K w - - 0 1 [ Rh8+ Kxh8 Qh6+ ]
b) Leko vs 'Pocket Fritz', Mainz, 2001 3r1rk1/pp1b2pp/1qp1pb2/4B3/1P2B3/2P3P1/P3QP1P/3R1RK1 w - - 0 1 [ Qh5 if h6 Bxf6 Rxf6 Rxd7 ]
c) Ljubomir Ljubojevic vs Leko, Monte Carlo, 2003 1r4k1/5pp1/2R1b2p/8/5P2/1Pp2BP1/4P1KP/8 b - - 0 1 [ ...Rc8 Rxc8 Bxc8 Be4 Bb7 ]
d) Leko vs Lazaro Bruzon, Wijk aan Zee, 2005 2r1r2k/2qbbp1p/p7/1p1pPN2/5p2/P6P/1PB2PP1/R2QR1K1 w - - 0 1 [ e6 if fxe6 Qd5+ ]
e) Peter Leko vs Liren Ding, Beijing, 2012 5k2/1pp2n1p/3p4/3Pq2N/4r1p1/1P4P1/P4Q1P/2R3K1 w - - 1 0 [ Nf6 if Re2 Nd7+ ]
f) Peter Leko vs Arkadij Naiditsch, Dortmund, 2013 8/7p/2QP2pk/1p3p2/p7/5rPP/P3qP2/3R2K1 w - - 1 0 [ Qc1+ f4 Qd2 ]
g) Levon Aronian vs Peter Leko, Beijing, 2013 3rnbk1/qbr2p1p/4p1p1/2N1P3/1p1PpP2/1P5P/PB3QP1/1B1RR1K1 b - - 0 1 [ ...Rxc5 if dxc5 Bxc5 ]