MESON Chess Problem Database

Problem Display
PID: 266659 (8/4p3/1K1k4/2Np4/8/5RP1/8/5Q2 w - - 0 1)

Bazhan, Anastasia

Mosiashvili-75 JT (Kudesnik), 2022

8/4p3/1K1k4/2Np4/8/5RP1/8/5Q2

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Re3?
      • threat
        • 2.Re6#
      • 1...e5
        • 2.Qf6#
        • 2.Qf8#
      • 1...e6
        • 2.Rxe6#
        • 2.Qf8#
      • 1...d4!
    • 1.Qe2?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
    • 1.Qh3?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Ke5!
    • 1.Qe1?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
  • Keys
    • 1.Rf6+!
      • 1...Ke5
        • 2.Qf4#
      • 1...exf6
        • 2.Qxf6#
      • 1...e6
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • R1(B)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • P(c);
  • Actual
    • R(B);CHECK
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • P(c);OGATE,XR(B)::QAR2(A),XP(c)
      • P(c);P_SPINP(c)::R1(B),XP(c)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).