Vertical cycles


Viktor Chepizhny
The Problemist 1969

5 Rice cycle

  1...exd3 1...cxd3
set:   2.Sc6# 2.Se6#
1.Se3? th. 2.Rd5# 2.Se6# 2.Sf5#
1.Sc3! th. 2.Rd5# 2.Sf5# 2.Sc6#

(try is refuted by 1...c3!)









#2 (12+9)
Promoted force

V. Yashuk
2nd Prize Rudenko-50 1988

6 Ukrainian cycle

  1...Qe3
1.Bc5? th. 2.Se7# 2.Sa7#
1.Qa5? th. 2.Sa7# 2.Rd6#
1.Qe4! th. 2.Rd6# 2.Se7#

(tries are refuted by 1...Qc5! and 1...Qc8! respectively)









#2 (8+7)

Touw Hian Bwee
D. Dharmawan
Hidejat Maruta

1st Prize Probleemblad 1972

7 Ceriani cycle

1.Bxf6! th. 2.Be7+

  2...Sxe5
1...Bxd5 2.fxe5+
-
3.Bxe5#
1...exd5 2.Bxd5+
-
3.Qxe5#
1...cxd5 2.Qxe5+
-
3.fxe5#









#3 (13+10)

Václav Kotesovec
2nd Prize Sachova Skladba 1987

8 Reeves cycle

   
1.Gxc3! th. 2.Gxf6#  
1.Gxf6! th. 2.Gxc6#  
1.Gxc6! th. 2.Gxc3#  









#2 (13+11)
5+1 grasshopper, 2+0 nightrider
3 solutions

Comments to Juraj Lörinc.
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