MESON Chess Problem Database
Problem Display
PID: 139970 (7k/5R2/2P1K3/5P2/2P3R1/p3P3/pr6/B7 w - - 0 1)
Niemeijer, Meindert
Probleemblad, 1975
#2
8 + 4
SOLUTION
- SOUND
- Tries
- 1.Rgg7?
- 1...Rb1
- 2.Rf8#
- 1...Rc2
- 2.Rf8#
- 1...Rd2
- 2.Rf8#
- 1...Re2
- 2.Rf8#
- 1...Rf2
- 2.Rf8#
- 1...Rg2
- 2.Rf8#
- 2.Rxg2#
- 1...Rh2
- 2.Rf8#
- 2.Rg2#
- 1...Rb3
- 2.Rf8#
- 1...Rb4
- 2.Rf8#
- 1...Rb5
- 2.Rf8#
- 1...Rb6
- 2.Rf8#
- 1...Rb7
- 2.Rf8#
- 1...Rb8!
- 1...Rb1
- 1.Rfg7?
- 1...Rb1
- 2.Rh4#
- 1...Rc2
- 2.Rh4#
- 1...Rd2
- 2.Rh4#
- 1...Re2
- 2.Rh4#
- 1...Rf2
- 2.Rh4#
- 1...Rg2
- 2.Rh4#
- 1...Rb3
- 2.Rh4#
- 1...Rb4
- 2.Rh4#
- 1...Rb5
- 2.Rh4#
- 1...Rb6
- 2.Rh4#
- 1...Rb7
- 2.Rh4#
- 2.Rxb7#
- 1...Rb8
- 2.Rh4#
- 2.Rb7#
- 1...Rh2!
- 1...Rb1
- 1.Rgg7?
- Keys
- 1.Rd4!
- threat
- 2.Rd8#
- 1...Kg8
- 2.Rd8#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(D);N_PINR(b)
- Vars
- R(b);::R(H)
- R(b);P_PINP(B)::R(H)
- R(b);P_PINP(F)::R(H)
- Refutation
- R(b);
- Try
- R(H);N_PINR(b)
- Vars
- R(b);::R(D)
- R(b);P_PINP(B)::R(D)
- R(b);P_PINP(F)::R(D)
- Refutation
- R(b);
- Try
- Actual
- R(D);N_PINR(b)
- Threat
- R(D)
- Vars
- K(d);P-FLIGHT::R(D)
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).