MESON Chess Problem Database

Problem Display
PID: 64437 (b1N1QB2/2p2P2/8/2pk1p1r/2RP2rR/6p1/6K1/5B2 w - - 0 1)

Muller, Dieter

3rd Prize, Hronec MT, 1980

b1N1QB2/2p2P2/8/2pk1p1r/2RP2rR/6p1/6K1/5B2

#2

9 + 8

3752 FIDE Album (1980-1982) 1988
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Rxc5#
    • 1...Re4
      • 2.Qd7#
    • 1...Rgg5
      • 2.Rxc5#
      • 2.Qd7#
    • 1...Rg6
      • 2.Rxc5#
    • 1...Rg7
      • 2.Rxc5#
      • 2.Qd7#
    • 1...Rg8
      • 2.Rxc5#
      • 2.Qd7#
      • 2.fxg8Q#
      • 2.fxg8B#
    • 1...Bc6
      • 2.Qe5#
    • 1...cxd4
      • 2.Rc5#
    • 1...c6
      • 2.Sb6#
      • 2.Qe5#
  • Tries
    • 1.Sa7?
      • threat
        • 2.Qe5#
      • 1...Rxd4
        • 2.Rxc5#
      • 1...cxd4
        • 2.Rc5#
      • 1...Re4
        • 2.Qd7#
      • 1...f4!
    • 1.Bd3?
      • threat
        • 2.Qd7#
      • 1...Rxd4
        • 2.Rxc5#
      • 1...cxd4
        • 2.Rc5#
      • 1...Rg6
        • 2.Rxc5#
      • 1...Bc6
        • 2.Qe5#
      • 1...Rh6!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Rxc5#
      • 1...Rxd4
        • 2.Qd7#
      • 1...cxd4
        • 2.Qe5#

This anticipates 22540(1983-1984)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(b);XP(D)::R1(C),XP(c)
    • R(b);::QAR2(H)
    • R(b);::R1(C),XP(c)
    • B(h);SBLOCK::QAR1(H)
    • P(c);SBLOCK,XP(D)::R1(C)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR1(H)
      • Vars
        • R(b);XP(D)::R1(C),XP(c)
        • P(c);SBLOCK,XP(D)::R1(C)
        • R(b);::QAR2(H)
      • Refutation
        • P(e);
    • Try
      • B(A);
      • Threat
        • QAR2(H)
      • Vars
        • R(b);XP(D)::R1(C),XP(c)
        • P(c);SBLOCK,XP(D)::R1(C)
        • R(b);::R1(C),XP(c)
        • B(h);SBLOCK::QAR1(H)
      • Refutation
        • R(f);
  • Actual
    • B(I);
    • Threat
      • R1(C),XP(c)
    • Vars
      • R(b);XP(D)::QAR2(H)
      • P(c);XP(D)::QAR1(H)
HTML5 logo

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).