MESON Chess Problem Database

Problem Display
PID: 264024 (7Q/8/1K1N3N/R3r3/3k1b2/1P1bn3/1P4r1/2R3BB w - - 0 1)

Mirri, Giorgio

Tijdschrift vd KNSB, 1948

7Q/8/1K1N3N/R3r3/3k1b2/1P1bn3/1P4r1/2R3BB

#2

10 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Rd5#
    • 1...Rc2
      • 2.Rd5#
    • 1...Rd2
      • 2.Rd5#
    • 1...Re2
      • 2.Rd5#
    • 1...Rh2
      • 2.Rd5#
    • 1...Rg3
      • 2.Rd5#
    • 1...Rg4
      • 2.Rd5#
    • 1...Rg5
      • 2.Rd5#
    • 1...Rg6
      • 2.Rd5#
    • 1...Rg8
      • 2.Rd5#
    • 1...Bg5
      • 2.Qxe5#
    • 1...Bxh6
      • 2.Qxe5#
  • Tries
    • 1.Bxe3+?
      • 1...Bxe3
        • 2.Qxe5#
      • 1...Kxe3!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Shf5#
      • 1...Rxg1
        • 2.Sb5#
      • 1...Rxb2
        • 2.Sb5#
      • 1...Bxh6
        • 2.Qxe5#
      • 1...Rd2
        • 2.Rd5#
      • 1...Rf2
        • 2.Sb5#
      • 1...Rg5
        • 2.Sb5#
        • 2.Ra4#
        • 2.Rd5#
      • 1...Rg7
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(a);P_PINP(E),XP(D)::R1(F)
    • R(a);::R1(F)
    • R(a);P_PINS(H)::R1(F)
    • B(e);N_GUARD::QAB1(J),XR(f)
    • B(e);N_GUARD,XS(I)::QAB1(J),XR(f)
  • Tries
    • Try
      • B(B);CHECK,XS(c)
      • Vars
        • B(e);XB(B)::QAB1(J),XR(f)
      • Refutation
        • K(d);N_SPINR(f),S_FLIGHT,XB(B)
  • Actual
    • R(A);P_PINB(b)
    • Threat
      • S(I)
    • Vars
      • R(a);N_SPINS(c),XB(B)::S(H)
      • R(a);P_PINP(E),XP(D)::S(H)
      • B(e);N_GUARD,XS(I)::QAB1(J),XR(f)
      • R(a);N_SPINB(b)::R1(F)
      • R(a);N_SPINS(c)::S(H)
      • R(a);N_SPINR(f)::R(F)
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).