MESON Chess Problem Database

Problem Display
PID: 245574 (4B3/8/8/2p5/K2k4/6B1/4Q3/b7 w - - 0 1)

Slesarenko, Anatoly Vasilevich

Smena, 1999

4B3/8/8/2p5/K2k4/6B1/4Q3/b7

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Be5#
  • Tries
    • 1.Bb5?
      • threat
        • 2.Qd3#
        • 2.Qe5#
      • 1...Kc3
        • 2.Be5#
      • 1...Kd5
        • 2.Qc4#
      • 1...c4!
    • 1.Bc6?
      • threat
        • 2.Be5#
      • 1...Kc3
        • 2.Be5#
      • 1...c4!
    • 1.Bf7?
      • threat
        • 2.Be5#
      • 1...Kc3
        • 2.Be5#
      • 1...c4!
    • 1.Qd2+?
      • 1...Kc4
        • 2.Bb5#
        • 2.Bf7#
      • 1...Ke4!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Bb5#
      • 1...Kd3!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Qd3#
      • 1...Kc3
        • 2.Be5#
      • 1...Kd5
        • 2.Qe4#
      • 1...c4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(B)
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::B(B)
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • B(B)
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • B(B)
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::B(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);S_FLIGHT::B(B)
      • K(b);P-FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAB1(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).