MESON Chess Problem Database

Problem Display
PID: 268886 (2B3N1/2P1n3/1p3R1p/2p1k1n1/7p/2N4p/1Q5P/K2b2B1 w - - 0 1)

Moen, Kabe

Problemas, 2020

2B3N1/2P1n3/1p3R1p/2p1k1n1/7p/2N4p/1Q5P/K2b2B1

#2

9 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2?
      • threat
        • 2.Qf4#
        • 2.Qd6#
      • 1...Sxc8
        • 2.Qf4#
        • 2.Qd5#
      • 1...Se4
        • 2.Qf4#
      • 1...Sf7
        • 2.Qe3#
        • 2.Qf4#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sg6
        • 2.Rf5#
        • 2.Qd5#
        • 2.Qd6#
      • 1...Se6!
    • 1.Qe2+?
      • 1...Se4
        • 2.Qxe4#
      • 1...Bxe2!
    • 1.Qf2?
      • threat
        • 2.Qf4#
      • 1...Se6
        • 2.Rxe6#
      • 1...Sf3
        • 2.Qe3#
      • 1...Sd5
        • 2.Qf5#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sg6
        • 2.Qf5#
      • 1...Bf3!
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Qd6#
      • 1...Sxc8
        • 2.Qxc5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Se4
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sf7
        • 2.Qe6#
      • 1...Sc6
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);::QAB1(C)
        • S(i);N_GUARD::QAR1(C),XS(i)
        • S(i);N_GUARD::R1(F),XS(i)
      • Refutation
        • S(f);
    • Try
      • Q(C);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAR1(C),XS(f)
      • Refutation
        • B(a);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • S(f);N_GUARD::R1(F),XS(f)
        • S(f);N_GUARD::QAR2(C)
        • S(i);N_GUARD::QAR1(C)
        • S(i);N_GUARD::QAR1(C),XS(i)
      • Refutation
        • B(a);
  • Actual
    • Q(C);XP(g)
    • Threat
      • QAB1(C)
    • Vars
      • S(i);N_GUARD,XB(H)::QAR2(C),XP(d)
      • S(i);N_GUARD::R1(F),XS(i)
      • S(f);N_GUARD::QAR1(C)
      • S(f);N_GUARD::QAR1(C),XS(f)
      • S(i);N_GUARD::QAR2(C),XP(d)
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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).