MESON Chess Problem Database

Problem Display
PID: 114869 (2rb2BB/4p3/pPN1P1p1/R2K1k2/2QRpp1P/1p3b1P/8/n1r3q1 w - - 0 1)

Arguelles Ferrer, Antonio Fernandez

Els Escacs a Catalunya, 1930

2rb2BB/4p3/pPN1P1p1/R2K1k2/2QRpp1P/1p3b1P/8/n1r3q1

#2

11 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4+
      • 2.Kxd4#
      • 2.Sxd4#
    • 1...Rxc4
      • 2.Kxc4#
    • 1...Rxc6
      • 2.Kxc6#
    • 1...Bxb6
      • 2.Sxe7#
    • 1...Bc7
      • 2.Sxe7#
    • 1...g5
      • 2.Bh7#
  • Keys
    • 1.Kc5!
      • threat
        • 2.Kb4#
      • 1...Qxd4+
        • 2.Kxd4#
      • 1...Rxc4+
        • 2.Kxc4#
      • 1...Rxc6+
        • 2.Kxc6#
      • 1...Bxb6+
        • 2.Kxb6#
      • 1...g5
        • 2.Bh7#
      • 1...Qe1
        • 2.Rd5#
      • 1...Bc7
        • 2.Sxe7#
      • 1...Sc2
        • 2.Qd5#
      • 1...e3
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);XQ(B)::R(E)+K(F),XR(b)
    • R(l);XS(H)::R(E)+K(F),XR(l)
    • B(m);N_GUARD,XP(G)::S(H),XP(k)
    • B(m);N_GUARD::S(H),XP(k)
    • P(j);OGATEB::B(J)
  • Actual
    • K(F);P-FLIGHT,P_SPINQ(B),P_SPINR(C),P_SPINS(H)
    • Threat
      • R(E)+K(F)
    • Vars
      • Q(c);CHECK,XR(C)::R(E)+K(F),XQ(c)
      • R(b);CHECK,XQ(B)::R(E)+K(F),XR(b)
      • R(l);CHECK,XS(H)::R(E)+K(F),XR(l)
      • B(m);CHECK,XP(G)::R(E)+K(F),XB(m)
      • P(j);OGATEB::B(J)
      • Q(c);N_PINR(C)::R(C)
      • B(m);N_PINS(H)::S(H),XP(k)
      • S(a);N_PINQ(B)::QAR2(B)
      • P(f);N_PINR(C)::R1(C),XP(g)
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).