Problem Display
PID: 187967 (8/1K6/3N1P2/2kpp3/4P3/3R3Q/5P2/8 w - - 0 1)

Geiszt, Jozsef

Pesti Naplo, 1910

8/1K6/3N1P2/2kpp3/4P3/3R3Q/5P2/8

#2

7 + 3


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Rxd5#
  • Tries
    • 1.Rd1?
      • threat
        • 2.Qa3#
      • 1...Kxd6
        • 2.Rxd5#
      • 1...Kb4!
    • 1.Rd2?
      • threat
        • 2.Qa3#
      • 1...Kxd6
        • 2.Rxd5#
      • 1...Kb4!
    • 1.Rc3+?
      • 1...Kd4
        • 2.Qd3#
        • 2.Qe3#
      • 1...Kxd6
        • 2.Rc6#
      • 1...Kb4!
    • 1.Qd7?
      • 1...Kb4
        • 2.Qb5#
      • 1...dxe4
        • 2.Qb5#
      • 1...d4!
    • 1.Qc8+?
      • 1...Kxd6
        • 2.Rxd5#
        • 2.Qc6#
      • 1...Kb4!
  • Keys
    • 1.Rd4!
      • 1...Kxd4
        • 2.Qe3#
      • 1...Kxd6
        • 2.Rxd5#
      • 1...dxe4
        • 2.Qc3#
      • 1...exd4
        • 2.Qa3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINP(b),S_FLIGHT,XS(E)::R1(B),XP(b)
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB(C)
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT,XS(E)::R1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAB(C)
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT,XS(E)::R1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XS(E)::R1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
        • P(b);XP(D)::QAR1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(B)::QAB1(C)
      • K(a);P_SPINP(b),S_FLIGHT,XS(E)::R1(B),XP(b)
      • P(b);XP(D)::QAR2(C)
      • P(c);SBLOCK,XR(B)::QAB(C)


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).