MESON Chess Problem Database

Problem Display
PID: 34849 (1Q1b4/3b3q/1pR3pP/5Pk1/6P1/8/8/B2B2KR w - - 0 1)

Reitman, Mark

HM., Moszorkomsiorma, 1987

1Q1b4/3b3q/1pR3pP/5Pk1/6P1/8/8/B2B2KR

#2

9 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Qe7
      • 2.Rxg6#
    • 1...Qh8
      • 2.Rxg6#
    • 1...Bf6
      • 2.Bxf6#
    • 1...gxf5
      • 2.Rh5#
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qd2#
      • 1...Qe7
        • 2.Rxg6#
      • 1...Bc7
        • 2.Bf6#
      • 1...gxf5!
    • 1.Qe5?
      • threat
        • 2.Qe3#
      • 1...gxf5
        • 2.Rh5#
      • 1...Qe7
        • 2.Rxg6#
      • 1...Bc7!
    • 1.Qd6?
      • threat
        • 2.Qd2#
      • 1...gxf5
        • 2.Rh5#
      • 1...Bc7
        • 2.Bf6#
      • 1...Qe7!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qe3#
      • 1...gxf5
        • 2.Rh5#
      • 1...Qe7
        • 2.Rxg6#
      • 1...Bc7
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_GUARD::R1(G),XP(c)
    • B(f);N_GUARD::B(A),XB(f)
    • P(c);N_GUARD,XP(F)::R1(D)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAB(I)
      • Vars
        • Q(e);N_GUARD::R1(G),XP(c)
        • B(f);N_GUARD::B(A)
      • Refutation
        • P(c);XP(F)
    • Try
      • Q(I);
      • Threat
        • QAB(I)
      • Vars
        • P(c);N_GUARD,P_SPINP(c),XP(F)::R1(D)
        • Q(e);N_GUARD::R1(G),XP(c)
      • Refutation
        • B(f);
    • Try
      • Q(I);
      • Threat
        • QAB(I)
      • Vars
        • P(c);N_GUARD,XP(F)::R1(D)
        • B(f);N_GUARD::B(A)
      • Refutation
        • Q(e);
  • Actual
    • Q(I);
    • Threat
      • QAB(I)
    • Vars
      • P(c);N_GUARD,XP(F)::R1(D)
      • Q(e);N_GUARD::R1(G),XP(c)
      • B(f);N_GUARD::B(A)
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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).