MESON Chess Problem Database

Problem Display
PID: 156987 (8/8/R2p4/2k2B1p/7Q/8/2K5/8 w - - 0 1)

Abdullayev, Suleyman

Mikolaev-225 JT, 2014

8/8/R2p4/2k2B1p/7Q/8/2K5/8

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Kb3?
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...d5
        • 2.Qb4#
      • 1...Kd5!
    • 1.Kd3?
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd4#
      • 1...d5!
    • 1.Be6?
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...d5!
    • 1.Bd7?
      • 1...Kd5
        • 2.Ra5#
      • 1...d5!
    • 1.Qa4?
      • 1...Kd5
        • 2.Ra5#
      • 1...d5
        • 2.Rc6#
      • 1...h4!
    • 1.Qd4+?
      • 1...Kb5
        • 2.Bd3#
      • 1...Kxd4!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd4#
      • 1...d5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::R(D)
        • P(c);SBLOCK::R1(D)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
      • P(c);SBLOCK::QAB1(B)
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).