MESON Chess Problem Database

Problem Display
PID: 250262 (8/2pr1pN1/2PqR3/2PkP3/1KRP2p1/7p/2Q2B2/8 w - - 0 1)

Gross, Izidor

3rd HM., Magyar Sakkvilag, 1927

8/2pr1pN1/2PqR3/2PkP3/1KRP2p1/7p/2Q2B2/8

#2

10 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qe4#
    • 1...Qxc5+
      • 2.Rxc5#
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qh1#
      • 1...Qxc5+
        • 2.dxc5#
      • 1...Ke4
        • 2.d5#
      • 1...Kxc6
        • 2.Qh1#
      • 1...Qxe5
        • 2.dxe5#
      • 1...g3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_GUARD,P_SPINQ(d),S_FLIGHT,XP(H)::QAB(A)
    • Q(d);CHECK,OGATE,XP(F)::R1(D),XQ(d)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • Q(d);CHECK,OGATE,XP(F)::QAR(A)+P(E),XQ(d)
      • K(c);OGATE,S_FLIGHT::R(D)+P(E)
      • K(c);P_SPINQ(d),S_FLIGHT,XP(H)::QAB(A)
      • Q(d);N_PINP(F),OGATE,XP(G)::QAR(A)+P(E),XQ(d)
      • P(b);N_GUARD::QAB(A)
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).