MESON Chess Problem Database

Problem Display
PID: 54272 (3B2B1/r3Rb2/8/5k2/p7/3PP3/5K2/7Q w - - 0 1)

Ramaut, J

Het Belgisch Schaakbord (L'Echiquier Belge), 1952

3B2B1/r3Rb2/8/5k2/p7/3PP3/5K2/7Q

#2

7 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Re5+?
      • 1...Kg4
        • 2.Rg5#
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qh4#
      • 1...Kg6
        • 2.Rg5#
        • 2.Qh7#
      • 1...Kxe5!
    • 1.Re8?
      • threat
        • 2.Qe4#
      • 1...Kg4
        • 2.Qf3#
      • 1...Kg6
        • 2.Qh7#
      • 1...Bd5
        • 2.Qh5#
      • 1...Re7!
    • 1.Qe4+?
      • 1...Kf6
        • 2.Rxf7#
      • 1...Kg5!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Qe4#
      • 1...Kg4
        • 2.Qf3#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kg6
        • 2.Qh7#
      • 1...Bd5
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XR(E)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • B(d);N_GUARD::QAR2(A)
      • Refutation
        • R(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::B(F)+R(E),DCHECK,XB(d)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);P_SPINB(d),S_FLIGHT::QAB1(A)
      • B(d);N_GUARD::QAR2(A)
HTML5 logo

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).