- FIDE Album 2010-2012 - a successful participation of the bulgarian composers! The upcoming album is for 2013-2015
- Olympic Gold medal for IM Diyan Kostadinov!
- Bulgarian successes (Part 3)
- Great success for Bulgaria at the World Championship!
- Bulgarian successes (Part 2)
- Bulgarian successes (Part 1)
- Petko Petkov - world champion again!

Problem 605: Paul Raican - Fairy (Double Maximummer, Chameleon chess) |

(15.07.2015) Wonderful use of Double Maximummer and Chameleon chess by Paul Raican and three long variations with two pieces play on different squares.
Double MaximummerChameleon chess Set: 1...Sf3-h2=B 2.Sa2-c1=B Bh2-b8=R 3.Bc1-f4=R+ Kf5-g6 4.Rf4-a4=Q Rb8-b1=Q+ 5.Qa4-d1=S Qb1-b8=S 6.Sd1-e3=B Sb8-d7=B 7.Be3-g1=R Bd7-h3=R# Sol: 1.Sa2-c1=B Sf3-d2=B 2.Bc1-a3=R Bd2-a5=R 3.Ra3-h3=Q+ Kf5-e4 4.Qh3-c8=S Ra5-a1=Q+ 5.g2-g1=S Qa1-h8=S 6.Sg1-f3=B+ Ke4xf3 7.Sc8-d6=B Sh8-g6=B 8.Bd6-h2=R Bg6-b1=R#1...Sf3-d4=B 2.Bc1-f4=R+ Kf5-e6 3.Rf4-f8=Q Bd4-h8=R+ 4.Qf8-h6=S Rh8-a8=Q 5.Sh6-g8=B+ Qa8xg8=S 6.c5-c4 Sg8-f6=B 7.c4-c3 Bf6xc3=R 8.g2-g1=R Rc3-h3=Q#Double Maximummer: both sides must play the geometrically longest move or may choose from among longest moves of equal length, distances being measured from the center of each square. Diagonal and oblique distances are measured from the orthogonal coordinates by using Pythagora’s theorem (take the square root of the sum of the squares of the orthogonal distances). All other orthodox chess rules apply.Chameleon chess: at the completion of every move each piece changes type. The types form a cycle which may theoretically be predefined in any way but is usually taken to be the default option S-B-R-Q-S... Promotion may be to a chameleon at any stage in the cycle. |

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