Here are some puzzles taken from the chess games of strong players at
the Sochi tournament in late April. Except where noted, it's "White to
Move and Win".

a) http://wtharvey.com/r2005a.png White Mates in 8. Konstantin Landa
vs Evgeny Shaposhnikov, Sochi, 2005
3rr3/p2nb1k1/qpp1pn1p/7P/PPPP4/3Q1N2/3B1PP1/R5K1 w - - 0 1

b) http://wtharvey.com/r2005b.png Valerij Filippov vs Evgeny Romanov,
Sochi, 2005
2r3k1/1p3p1p/p2PbR2/4B3/1P6/7P/6PK/8 w - - 0 1

c) http://wtharvey.com/r2005c.png Valeriy Neverov vs Anastasia
Sorokina, Dubai, 2005
2r1r1k1/1q3pbp/p1Np2p1/8/1PQ1n3/P3B2P/5PP1/2RR2K1 w - - 0 1

d) http://wtharvey.com/r2005d.png Sergey Volkov vs Alexander Khalifman,
Sochi, 2005
1q2b3/pp1k2r1/2p1p2R/2PpP3/5PpQ/3BP3/PP4K1/8 w - - 0 1

e) http://wtharvey.com/r2005e.png Vladimir Potkin vs Alexey Kostin,
Sochi, 2005
3rkb1r/pp3ppp/2b1p3/2pnP3/4NP1q/2P4P/PPB1Q1PK/R1B2R2 w - - 0 1

Solutions are posted at the top of http://www.wtharvey.com/prodex.html