MESON Chess Problem Database

Problem Display
PID: 229108 (8/3N2Q1/K2p1r2/BB3r2/2pk1N2/n1R1pP2/8/b7 w - - 0 1)

Regos, Imre

Comm., Allgemeine Zeitung Chemnitz, 1926

8/3N2Q1/K2p1r2/BB3r2/2pk1N2/n1R1pP2/8/b7

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Se2#
      • 2.Se6#
    • 1...Sb1
      • 2.Rxc4#
    • 1...Sc2
      • 2.Rxc4#
    • 1...e2
      • 2.Qg1#
    • 1...d5+
      • 2.Se6#
  • Tries
    • 1.Bb6+?
      • 1...Rc5
        • 2.Qxf6#
      • 1...Kxc3!
  • Keys
    • 1.Rc1!
      • threat
        • 2.Rd1#
      • 1...d5+
        • 2.Bb6#
      • 1...e2
        • 2.Qg1#
      • 1...Bc3
        • 2.Bxc3#
      • 1...Sb1
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(b);N_GUARD::R1(A),XP(d)
    • P(c);OGATEB::QAB(H)
    • P(g);CHECK,SBLOCK::S(C)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • R(f);N_SPINR(h),P_SPINR(f)::QAB(H),XR(h)
      • Refutation
        • K(e);S_FLIGHT,XR(A)
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • P(g);CHECK,S_CUTR(f)::B(D)
      • P(c);OGATEB::QAB(H)
      • B(a);N_GUARD::B(D),XB(a)
      • S(b);N_GUARD::R1(A),XP(d)
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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).