Friday's puzzle was a study by Filip Bondarenko.The solution: 1.Rg1+,Bb1 2.Rc1!,c5 3.Kg1, c4 4. Kf1, c3 5.Bc3:,f5 6.Ke1,f4 7.Kd1, f3 8.Rc2!, followed by 9.Kc1 and mate.

"The beauty of chess is it can be whatever you want it to be. It transcends language,age, religion,politics, gender, and socioeconomic background". Simon Williams

White to play and win.

Friday's puzzle was a study by Valentin Rudenko.The solution: 1.Rf3+,Kh2 2.Qf4+,Kh1 3.Rh3+!,Qh3: 4.Qe4+,Kh2 5.Qe5+,Kh1 6.Qd5+,Kh2 7.Qd6+,Kh1 8.Qc6+,Kh2 9.Qc7+,Kh1 10.Qb7+,Kh2 11.Qb8+,Kh1 12.Qb1:+,Kh2 13.Qg1#

"The worst blunders occur on the days when you're feeling in form and aren't expecting the chess gremlins to strike". Leonard Barden

White to play and win.

Friday's puzzle was based on a study by Bruno Breider. The solution: 1.e6+,g5 2.Re5,Ng6+ 3.Kh7,Ne5: 4.e7,e1Q 5.e8N!,Qg3: 6.Ng7+,Kh4 7.Nf5+,Kh5 8.Ng3:+,Kh4 9.Nf5+,Kh5 10.g3 and wins.

"In the art of chess, there are no unalterable laws governing the struggle which are appropriate to every position,otherwise chess would lose its attractiveness and eternal character". Vasily Smyslov

White to play and win.

Friday's puzzle was a study by Carl Behting from 1903.The solution: 1.Rg2!,Qg2: 2.f7 or 1.-,Qf6: 2.Rg8+,Kb7 3.Rg7+ and White continues the rook checks till the Black king is on f7. Then a check on f8 is forcing a draw.

"I feel as long as we are still playing tournaments face-to-face wih real pieces that it's important for our visualization skills to also train with them sometimes.Otherwise the switch from virtual can be a subtle shock". Garry Kasparov