MESON Chess Problem Database

Problem Display
PID: 150321 (1Q6/2r5/8/5B2/2p5/R4K2/8/2B4k w - - 0 1)

Abdullayev, Suleyman

Uralski Problemist, 2012

1Q6/2r5/8/5B2/2p5/R4K2/8/2B4k

#2

5 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • threat
        • 2.Rh3#
      • 1...Kh2
        • 2.Rh3#
      • 1...Rh7
        • 2.Be4#
      • 1...c3!
    • 1.Qb2?
      • threat
        • 2.Qg2#
      • 1...Kg1
        • 2.Qg2#
      • 1...Rg7!
    • 1.Qg8?
      • threat
        • 2.Qg2#
      • 1...Kh2
        • 2.Qg2#
      • 1...Rg7!
  • Keys
    • 1.Ra1!
      • threat
        • 2.Bf4#
      • 1...Kg1
        • 2.Bf4#
      • 1...Kh2
        • 2.Bf4#
      • 1...Ra7
        • 2.Ba3#
      • 1...Rb7
        • 2.Bb2#
      • 1...Rd7
        • 2.Bd2#
      • 1...Re7
        • 2.Be3#
      • 1...Rg7
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT,P_SPINR(c)::R1(B)
        • R(c);::B(D)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • R(c);
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • R(c);
  • Actual
    • R(B);
    • Threat
      • R(B)+B(A)
    • Vars
      • K(a);P-FLIGHT::R(B)+B(A)
      • K(a);P-FLIGHT,P_SPINR(c)::B(A)
      • R(c);::R(B)+B(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).