MESON Chess Problem Database

Problem Display
PID: 265754 (2Bbn3/p1p2N2/P1k2n2/R3p3/1Pp3N1/KP2B3/2p4q/2Q1R3 w - - 0 1)

Blasco, Salvador

Uris-60 JT (Problemas), 2022

2Bbn3/p1p2N2/P1k2n2/R3p3/1Pp3N1/KP2B3/2p4q/2Q1R3

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Sgxe5#
    • 1...Qh1
      • 2.Sgxe5#
    • 1...Qd2
      • 2.Sgxe5#
    • 1...Qe2
      • 2.Sgxe5#
    • 1...Qf2
      • 2.Sgxe5#
    • 1...Qg2
      • 2.Sgxe5#
    • 1...Qh3
      • 2.Sgxe5#
    • 1...Qh4
      • 2.Sgxe5#
    • 1...Qh6
      • 2.Sgxe5#
    • 1...Qh7
      • 2.Sgxe5#
    • 1...Qh8
      • 2.Sgxe5#
    • 1...Sd5
      • 2.b5#
    • 1...Sd7
      • 2.Bb7#
    • 1...Sd6
      • 2.Sxd8#
  • Tries
    • 1.Be6?
      • threat
        • 2.b5#
      • 1...Sd6
        • 2.Sxd8#
      • 1...Be7!
    • 1.bxc4?
      • threat
        • 2.b5#
      • 1...Sd6
        • 2.Sxd8#
      • 1...Be7!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Sxd8#
        • 2.Bb7#
        • 2.b5#
      • 1...cxd1Q
        • 2.Qxc4#
      • 1...cxd1S
        • 2.Qxc4#
      • 1...cxd1B
        • 2.Qxc4#
      • 1...cxd1R
        • 2.Qxc4#
      • 1...Be7
        • 2.Bb7#
      • 1...Qd2
        • 2.Sgxe5#
      • 1...Sd5
        • 2.b5#
      • 1...Sd6
        • 2.Sxd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 11
  • Sets
    • Q(b);N_GUARD::S(G),XP(d)
    • S(f);SBLOCK::P(F)
    • S(f);SBLOCK::B(K)
    • S(j);SBLOCK::S(J),XB(i)
  • Tries
    • Try
      • B(K);
      • Threat
        • P(F)
      • Vars
        • S(j);SBLOCK::S(J),XB(i)
      • Refutation
        • B(i);P_PINP(F)
    • Try
      • P(D);XP(c)
      • Threat
        • P(F)
      • Vars
        • S(j);SBLOCK::S(J),XB(i)
      • Refutation
        • B(i);P_PINP(F)
  • Actual
    • R(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);OGATE,P_SPINP(c),XR(B)::QAR2(A),XP(c)
      • B(i);P_PINP(F)::B(K)
      • Q(b);N_GUARD::S(G),XP(d)
      • S(f);::P(F)
      • S(j);::S(J),XB(i)
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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).