(06.01.2014) Сериен помощен мат с три дълги и интересни решения завършващи с правилни матове от Vaclav Kotesovec от Чехия.

1.Gd4 2.Gd1 3.Kc1 4.KAb1 5.Kc2 6.Gb3 7.Kc3 8.Gb2 9.Kb4 10.Ka4 11.Gb4 12.KAb5 13.KAa5 14.KAa6 15.KAa3 CAb1#

1.Kc3 2.Gb2 3.Kb4 4.Kb5 5.Gb6 6.Ga6 7.Gc6 8.KAb7 9.Ga4 10.Ka6 11.Ga7 12.Gc5 13.KAb5 14.Ga5 15.KAa7 CAb3#

1.KAf2 2.Ke3 3.Kf4 4.Kg5 5.Kg6 6.Gh6 7.Kh5 8.KAh7 9.Kg6 10.Gf6 11.Kf7 12.Kg8 13.KAf7 14.KAf8 15.Gh8 CAf5#

Camel: a (1,3/3,1) leaper, e.g. CAa1>b4 or CAa1>d2.

Grasshopper: Hops on Q-lines over any one unit (the hurdle) to the next square beyond. 

Kangaroo (KA): As G but requiring 2 (not necessarily adjacent) hurdles on the same line, and landing on the square immediately beyond the second hurdle.