MESON Chess Problem Database
Problem Display
PID: 230950 (6R1/2B5/8/4N2K/8/4b2k/4R3/8 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1968
#2
5 + 2
SOLUTION
- SOUND
- Tries
- 1.Sf3?
- threat
- 2.Rh2#
- 2.Rg3#
- 1...Bg1
- 2.Sxg1#
- 2.Sg5#
- 2.Rg3#
- 1...Bf4
- 2.Sg1#
- 1...Bg5
- 2.Sg1#
- 2.Sxg5#
- 2.Rh2#
- 1...Bf2!
- threat
- 1.Sg6?
- threat
- 2.Rh2#
- 1...Bf4
- 2.Sxf4#
- 1...Bg1
- 2.Sf4#
- 1...Bf2!
- threat
- 1.Sf3?
- Keys
- 1.Sd3!
- threat
- 2.Rh2#
- 2.Rxe3#
- 2.Rg3#
- 1...Bc1
- 2.Sf2#
- 2.Rh2#
- 2.Rg3#
- 1...Bg1
- 2.Sf4#
- 2.Rg3#
- 1...Bd2
- 2.Sf2#
- 2.Rh2#
- 2.Rg3#
- 1...Bf2
- 2.Sxf2#
- 1...Bd4
- 2.Sf4#
- 2.Rh2#
- 2.Rg3#
- 1...Bf4
- 2.Sxf4#
- 1...Bc5
- 2.Sf4#
- 2.Rh2#
- 2.Rg3#
- 1...Bg5
- 2.Rh2#
- 1...Bb6
- 2.Sf4#
- 2.Rh2#
- 2.Rg3#
- 1...Bh6
- 2.Sf2#
- 2.Rh2#
- 2.Rg3#
- 1...Ba7
- 2.Sf4#
- 2.Rh2#
- 2.Rg3#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::S(B)
- Refutation
- B(a);
- Try
- S(B);
- Threat
- R1(A)
- Vars
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- Refutation
- B(a);
- Try
- Actual
- S(B);
- Threat
- DUALS(3)
- Vars
- B(a);N_GUARD::S(B),XB(a)
- B(a);::R1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).