MESON Chess Problem Database

Problem Display
PID: 182283 (1k6/4N3/8/K7/5R2/1P2p3/1q3p1B/R7 w - - 0 1)

Nyarsik, Agnes

Vasarnapi Ujsag, 1906

1k6/4N3/8/K7/5R2/1P2p3/1q3p1B/R7

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Kb6!
      • threat
        • 2.Rd4#
        • 2.Rf8#
      • 1...Qd4+
        • 2.Rxd4#
      • 1...Qf6+
        • 2.Rxf6#
      • 1...Qxb3+
        • 2.Rb4#
      • 1...Qxa1
        • 2.Rf8#
      • 1...Qa3
        • 2.Rf8#
      • 1...Qa2
        • 2.Ra4#
        • 2.Rf8#
      • 1...f1Q
        • 2.Rf8#
      • 1...f1S
        • 2.Rf8#
      • 1...f1B
        • 2.Rf8#
      • 1...f1R
        • 2.Rf8#
      • 1...Qc1
        • 2.Rc4#
        • 2.Rf8#
      • 1...Qc3
        • 2.Rf8#
      • 1...Qe5
        • 2.Rf8#
      • 1...Qg7
        • 2.Rf8#
      • 1...Qh8
        • 2.Rf8#
      • 1...Qc2
        • 2.Rc4#
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(E);P_SPINP(C),S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);CHECK,N_PINP(C)::B(B)+R(D),XQ(a)
      • Q(a);CHECK,N_GUARD,N_PINP(C)::B(B)+R(D),XQ(a)
      • Q(a);CHECK,N_GUARD,XP(C)::B(B)+R(D)
      • Q(a);N_PINP(C),XR(A)::B(B)+R(D),DCHECK
      • Q(a);N_PINP(C)::B(B)+R(D),DCHECK
      • P(b);::B(B)+R(D),DCHECK
      • Q(a);N_PINP(C)::R(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).