MESON Chess Problem Database

Problem Display
PID: 208095 (N7/4k1K1/1bPRp1B1/rQ3b2/n2r3N/8/8/8 w - - 0 1)

Gerecz, Karoly

Magyarorszag es a Nagyvilag, 1874

N7/4k1K1/1bPRp1B1/rQ3b2/n2r3N/8/8/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Rd7#
    • 1...Rc4
      • 2.Rd7#
    • 1...Re4
      • 2.Rd7#
    • 1...Rf4
      • 2.Rd7#
    • 1...Rg4
      • 2.Rd7#
    • 1...Rxh4
      • 2.Rd7#
    • 1...e5
      • 2.Sxf5#
  • Keys
    • 1.c7!
      • threat
        • 2.Qd7#
        • 2.c8S#
      • 1...Kxd6
        • 2.c8S#
      • 1...Rxd6
        • 2.Qe8#
      • 1...Rxb5
        • 2.c8S#
      • 1...Rxa8
        • 2.Qd7#
      • 1...Bxc7
        • 2.Qd7#
      • 1...Rc4
        • 2.Rd7#
        • 2.Qd7#
      • 1...Sc5
        • 2.c8S#
      • 1...e5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::R1(D)
    • R(b);N_GUARD,P_PINB(E)::R1(D)
    • R(b);N_GUARD,XS(A)::R1(D)
    • P(f);N_GUARD::S(A),XB(d)
  • Actual
    • P(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(g);S_FLIGHT,XR(D)::P=S
      • R(b);SBLOCK,XR(D)::QAR1(B)
      • R(c);XQ(B)::P=S
      • R(c);XS(G)::QAR1(B)
      • B(e);XP(C)::QAR1(B)
      • S(a);::P=S
      • P(f);N_GUARD::S(A),XB(d)
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).