MESON Chess Problem Database

Problem Display
PID: 274702 (6B1/4b1N1/2R3p1/4p2q/Q2Pk1p1/R1r3P1/1BPPr3/1nKN4 w - - 0 1)

Moen, Kabe

The Problemist, 2023

6B1/4b1N1/2R3p1/4p2q/Q2Pk1p1/R1r3P1/1BPPr3/1nKN4

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc2+
      • 2.Qxc2#
    • 1...Rc5
      • 2.dxc5#
    • 1...Rxc6
      • 2.Qxc6#
  • Keys
    • 1.Qa8!
      • threat
        • 2.Rc4#
      • 1...Rxc2+
        • 2.Rxc2#
      • 1...Kf3
        • 2.Rcxc3#
      • 1...Kxd4
        • 2.Rc4#
      • 1...Rxa3
        • 2.Ra6#
      • 1...Rxg3
        • 2.Rf6#
      • 1...Rxc6
        • 2.Qxc6#
      • 1...exd4
        • 2.Re6#
      • 1...Rb3
        • 2.Rb6#
      • 1...Rc4
        • 2.Rxc4#
        • 2.Rc5#
      • 1...Rc5
        • 2.Rxc5#
      • 1...Bc5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(c);CHECK,OGATE,XP(D)::QAB(H),XR(c)
    • R(c);OGATE::QAR(H)+P(I),XR(c)
    • R(c);OGATE,XR(J)::QAB(H),XR(c)
  • Actual
    • Q(H);
    • Threat
      • QAB(H)+R(J)
    • Vars
      • R(c);CHECK,OGATE,XP(D)::QAB(H)+R(J),XR(c)
      • K(d);N_GUARD,P_SPINR(c),S_FLIGHT::QAB(H)+R(J),DCHECK,XR(c)
      • K(d);P-FLIGHT,P_SPINR(c),XP(I)::R1(J)
      • R(c);N_GUARD,N_PINP(D),XR(F)::QAB(H)+R(J)
      • R(c);N_GUARD,N_PINP(D),XP(G)::QAB(H)+R(J)
      • R(c);OGATE,P_SPINR(c),XR(J)::QAB(H),XR(c)
      • P(f);SBLOCK,XP(I)::QAB(H)+R(J),DCHECK
      • R(c);N_GUARD,N_PINP(D)::QAB(H)+R(J)
      • R(c);::QAB(H)+R(J),XR(c)
      • B(i);S_CUTR(c)::QAB(H)+R(J)
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).