MESON Chess Problem Database

Problem Display
PID: 276979 (3b3K/rp6/Q1p1pp2/3k3B/1BpN1RN1/8/8/2r2n2 w - - 0 1)

Shpakovsky, Aleksandr Nikolaevich

Salazar-100 MT (Problemas), 2024

3b3K/rp6/Q1p1pp2/3k3B/1BpN1RN1/8/8/2r2n2

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qxe6#
    • 1...e5
      • 2.Bf7#
    • 1...b5
      • 2.Qxc6#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rd4#
      • 1...e5
        • 2.Bf7#
      • 1...Rd1
        • 2.Qxc4#
      • 1...Bb6
        • 2.Sxf6#
      • 1...c5!
    • 1.Sb5?
      • threat
        • 2.Rd4#
      • 1...cxb5
        • 2.Qxb5#
        • 2.Qd6#
      • 1...e5
        • 2.Bf7#
      • 1...c5
        • 2.Qd6#
      • 1...Rd1
        • 2.Sc3#
      • 1...Bb6!
    • 1.Qb5+?
      • 1...c5
        • 2.Qd7#
        • 2.Qxc5#
      • 1...cxb5!
    • 1.Qxb7?
      • threat
        • 2.Qxc6#
      • 1...Ra6
        • 2.Qd7#
      • 1...Rxb7!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Rd4#
      • 1...exf5
        • 2.Bf7#
      • 1...e5
        • 2.Bf7#
      • 1...c5
        • 2.Qd6#
      • 1...Rd1
        • 2.Qxc4#
      • 1...Bb6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);OGATE::QAB1(F),XP(f)
    • P(f);OGATEB::B(E)
    • P(i);N_GUARD::QAB1(F),XP(e)
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(C)
      • Vars
        • P(f);OGATEB::B(E)
        • R(a);N_GUARD::QAB1(F),XP(c)
        • B(j);N_GUARD::S(D),XP(g)
      • Refutation
        • P(e);
    • Try
      • S(B);
      • Threat
        • R1(C)
      • Vars
        • P(f);OGATEB::B(E)
        • P(e);OGATE::QAR1(F)
        • R(a);N_GUARD::S(B)
      • Refutation
        • B(j);
    • Try
      • Q(F);CHECK
      • Refutation
        • P(e);XQ(F)
    • Try
      • Q(F);P_PINP(e),XP(i)
      • Threat
        • QAB1(F),XP(e)
      • Vars
        • R(h);N_GUARD::QAR2(F)
      • Refutation
        • R(h);N_SPINP(e),XQ(F)
  • Actual
    • S(B);
    • Threat
      • R1(C)
    • Vars
      • P(f);OGATEB,XS(B)::B(E)
      • P(f);OGATEB::B(E)
      • P(e);OGATE::QAR1(F)
      • R(a);N_GUARD::QAB1(F),XP(c)
      • B(j);N_GUARD::S(B)
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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).