MESON Chess Problem Database

Problem Display
PID: 159026 (2QK4/1R1p4/5N2/6P1/p7/rR1q2rk/2PpP1NP/5BB1 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sahovska Kompozicia, 1982

2QK4/1R1p4/5N2/6P1/p7/rR1q2rk/2PpP1NP/5BB1

#2

12 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Keys
    • 1.Rxd7!
      • threat
        • 2.Rdxd3#
      • 1...Qxd7+
        • 2.Qxd7#
      • 1...Qxc2
        • 2.Rh7#
      • 1...Qxe2
        • 2.Rh7#
      • 1...Qxb3
        • 2.Rh7#
      • 1...Rxg2
        • 2.Rd4#
      • 1...Qc4
        • 2.Rh7#
      • 1...Qe4
        • 2.Rh7#
      • 1...Qb5
        • 2.Rh7#
      • 1...Qf5
        • 2.Rh7#
      • 1...Qa6
        • 2.Rh7#
      • 1...Qg6
        • 2.Rh7#
      • 1...Qh7
        • 2.Rxh7#
      • 1...Qc3
        • 2.Rh7#
      • 1...Qe3
        • 2.Rh7#
      • 1...Qf3
        • 2.Rh7#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qd5
        • 2.Rxd5#
      • 1...Qd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(J);P_SPINR(J),XP(g)
    • Threat
      • QAB(K)+R(J),XQ(c)
    • Vars
      • Q(c);CHECK,OGATE,P_SPINQ(c),P_SPINR(d),XR(J)::QAB(K),XQ(c)
      • Q(c);N_PINR(J),P_SPINR(d),XP(C)::QAB(K)+R(J),DCHECK
      • Q(c);N_PINR(J),P_SPINR(d),XP(D)::QAB(K)+R(J),DCHECK
      • Q(c);N_PINR(J),XR(G)::QAB(K)+R(J),DCHECK
      • R(d);N_GUARD,P_SPINQ(c),P_SPINR(d),XS(E)::QAB(K)+R(J)
      • Q(c);N_PINR(J),P_SPINR(d)::QAB(K)+R(J),DCHECK
      • Q(c);N_PINR(J),P_SPINR(d)::R(J)
      • Q(c);N_PINR(J),P_SPINR(d)::QAB(K)+R(J),DCHECK,XQ(c)
      • Q(c);N_PINR(J)::QAB(K)+R(J),DCHECK
      • Q(c);N_GUARD,P_SPINR(d)::QAB(K)+R(J),XQ(c)
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).