MESON Chess Problem Database

Problem Display
PID: 169870 (2K5/2R5/1p4Np/prn1BP1Q/q4p1P/2r3kp/4PR1p/3N1b2 w - - 0 1)

Peris Pardo, Julio

4th Comm., SEPA, 1945

2K5/2R5/1p4Np/prn1BP1Q/q4p1P/2r3kp/4PR1p/3N1b2

#2

10 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Bxf4#
    • 1...Qb3
      • 2.Bxf4#
    • 1...Qa1
      • 2.Bxf4#
    • 1...Qa2
      • 2.Bxf4#
    • 1...Qa3
      • 2.Bxf4#
    • 1...Rc1
      • 2.Qf3#
    • 1...Rc2
      • 2.Qf3#
    • 1...Rf3
      • 2.Qxf3#
    • 1...Rc4
      • 2.Qf3#
    • 1...Sb3
      • 2.Rxc3#
    • 1...Sd3
      • 2.Qf3#
    • 1...Se4
      • 2.Bxf4#
    • 1...Sa6
      • 2.Rxc3#
    • 1...Se6
      • 2.Rxc3#
    • 1...Sb7
      • 2.Rxc3#
    • 1...Sd7
      • 2.Rxc3#
  • Tries
    • 1.Rf3+?
      • 1...Rxf3
        • 2.Qxf3#
      • 1...Kg2!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Rg7#
      • 1...Qxd1
        • 2.Sd3#
      • 1...Bxe2
        • 2.Sxe2#
      • 1...Sb3
        • 2.Rxc3#
      • 1...Sd3
        • 2.Rf3#
      • 1...Se4
        • 2.Sd5#
      • 1...Sa6
        • 2.Rxc3#
      • 1...Se6
        • 2.Rxc3#
      • 1...Sb7
        • 2.Rxc3#
      • 1...Sd7
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • Q(f);N_GUARD::B(E),XP(g)
    • R(c);N_GUARD::QAR1(G)
    • R(c);N_GUARD::QAR1(G),XR(c)
    • S(j);OGATE,P_PINR(I)::R(I),XR(c)
    • S(j);P_PINR(I),S_CUTR(c)::QAR1(G)
    • S(j);P_PINR(I),S_CUTQ(f)::B(E),XP(g)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • R(c);OGATE,XR(C)::QAR1(G),XR(c)
      • Refutation
        • K(d);N_SPINP(g),P-FLIGHT
  • Actual
    • S(H);XP(g)
    • Threat
      • R(I)
    • Vars
      • Q(f);N_GUARD,XS(A)::B(E)+S(H)
      • B(a);XP(B)::B(E)+S(H),DCHECK,XB(a)
      • S(j);OGATE,P_PINR(I)::R(I),XR(c)
      • S(j);P_PINR(I),S_CUTR(c)::R1(C)
      • S(j);P_PINR(I),S_CUTQ(f)::B(E)+S(H)
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).