MESON Chess Problem Database
Problem Display
PID: 61887 (6r1/4pP1p/4N1nr/5K1k/5Ppp/6R1/7Q/8 w - - 0 1)
Ringeltaube, Norbert
Deutsche Schachblatter, 1962
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Rg7
- 2.Sxg7#
- 1...Ra8
- 2.Sg7#
- 1...Rb8
- 2.Sg7#
- 1...Rc8
- 2.Sg7#
- 1...Rd8
- 2.Sg7#
- 1...Re8
- 2.Sg7#
- 1...Rf8
- 2.Sg7#
- 1...Rh8
- 2.Sg7#
- 1...Sxf4
- 2.Sxf4#
- 1...Rg7
- Tries
- 1.Rxg4?
- threat
- 2.Rg5#
- 1...Sxf4
- 2.Sxf4#
- 2.Rxh4#
- 2.Qxh4#
- 1...Se5
- 2.Rxh4#
- 2.Qxh4#
- 1...Sf8
- 2.Rxh4#
- 2.Qxh4#
- 1...Sh8
- 2.Rxh4#
- 2.Qxh4#
- 1...h3!
- threat
- 1.Rxg4?
- Keys
- 1.Rh3!
- 1...Sxf4
- 2.Sxf4#
- 2.Rxh4#
- 1...gxh3
- 2.Qe2#
- 1...Se5
- 2.Rxh4#
- 1...Rg7
- 2.Sxg7#
- 1...Ra8
- 2.Sg7#
- 1...Rb8
- 2.Sg7#
- 1...Rc8
- 2.Sg7#
- 1...Rd8
- 2.Sg7#
- 1...Re8
- 2.Sg7#
- 1...Rf8
- 2.Sg7#
- 1...Rh8
- 2.Sg7#
- 1...Sf8
- 2.Rxh4#
- 1...Sh8
- 2.Rxh4#
- 1...g3
- 2.Qe2#
- 1...Sxf4
- 1.Rh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD::S(E),XR(h)
- R(h);N_GUARD::S(E)
- R(h);N_GUARD,P_PINP(F)::S(E)
- S(d);XP(C)::S(E),XS(d)
- Tries
- Try
- R(B);XP(a)
- Threat
- R1(B)
- Refutation
- P(b);
- Try
- Actual
- R(B);
- Vars
- P(a);N_SPINP(b),OGATEB,XR(B)::QAB(A)
- S(d);N_GUARD::R1(B),XP(b)
- R(h);N_GUARD::S(E),XR(h)
- R(h);N_GUARD::S(E)
- R(h);N_GUARD,P_PINP(F)::S(E)
- P(a);OGATEB::QAB(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).