MESON Chess Problem Database

Problem Display
PID: 36634 (4r3/2r5/Bp2R2b/1n6/2n2Q2/3kNbRq/2p1p1N1/2K1B3 w - - 0 1)

Novejarque Iranzo, Francisco

1st Prize, SEPA, 1946

4r3/2r5/Bp2R2b/1n6/2n2Q2/3kNbRq/2p1p1N1/2K1B3

#2

8 + 11

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Qxc4#
    • 1...Rb7
      • 2.Qxc4#
    • 1...Rd7
      • 2.Qxc4#
    • 1...Rce7
      • 2.Qxc4#
    • 1...Rf7
      • 2.Qxc4#
    • 1...Rg7
      • 2.Qxc4#
    • 1...Rh7
      • 2.Qxc4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bg4
      • 2.Qe4#
    • 1...Bh5
      • 2.Qe4#
    • 1...Bc6
      • 2.Qxc4#
  • Keys
    • 1.Sxc2!
      • threat
        • 2.Sb4#
      • 1...Bxf4+
        • 2.Sxf4#
      • 1...Sd2
        • 2.Qd4#
      • 1...Bf8
        • 2.Qe4#
      • 1...Sb2
        • 2.Rd6#
      • 1...Sca3
        • 2.Rd6#
      • 1...Se3
        • 2.Qd4#
      • 1...Sa5
        • 2.Rd6#
      • 1...Se5
        • 2.Rd6#
      • 1...Scd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 11
  • Sets
    • R(j);N_GUARD::QAB1(F),XS(f)
    • B(d);N_GUARD::QAB1(F),XB(d)
    • B(d);N_GUARD::QAB1(F)
    • B(d);S_CUTR(j)::QAB1(F),XS(f)
  • Actual
    • S(D);P_PINB(d),P_SPINQ(F),XP(a)
    • Threat
      • S(D)
    • Vars
      • B(i);CHECK,XQ(F)::S(C),XB(i)
      • S(f);N_PINQ(F),P_PINS(D),P_SPINS(g)::QAR1(F)
      • B(i);N_PINQ(F)::QAB1(F)
      • S(f);N_GUARD,P_PINS(D),P_SPINS(g)::R(H)
      • S(f);N_PINQ(F),N_SPINB(d),P_PINS(D),P_SPINS(g)::QAR1(F)
      • S(f);N_GUARD,P_PINS(D),P_SPINS(g)::R(H),XS(f)
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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).