MESON Chess Problem Database

Problem Display
PID: 86839 (8/3p4/K6b/2pP1p2/1NkP4/3R4/1RBp4/3N3Q w - - 0 1)

Slesarenko, Anatoly Vasilevich

Moscow Ty., 1992

8/3p4/K6b/2pP1p2/1NkP4/3R4/1RBp4/3N3Q

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sxe3#
    • 1...Bg7
      • 2.Se3#
    • 1...Bf8
      • 2.Se3#
  • Tries
    • 1.Ka5?
      • threat
        • 2.Bb3#
      • 1...cxb4
        • 2.Rxb4#
      • 1...cxd4!
    • 1.Qe4?
      • threat
        • 2.Rc3#
      • 1...cxb4
        • 2.Bb3#
      • 1...fxe4!
    • 1.Qg1?
      • threat
        • 2.Rc3#
      • 1...cxd4
        • 2.Qxd4#
      • 1...Be3
        • 2.Sxe3#
      • 1...cxb4!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Rxd2#
      • 1...cxb4
        • 2.Bb3#
      • 1...cxd4
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(e);N_GUARD::S(A),XB(e)
    • B(e);N_GUARD::S(A)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Threat
        • B(D)
      • Vars
        • P(c);OGATE,XS(F)::R1(C),XP(c)
      • Refutation
        • P(c);XP(G)
    • Try
      • Q(B);
      • Threat
        • R1(E)
      • Vars
        • P(c);SBLOCK,XS(F)::B(D)
      • Refutation
        • P(d);XQ(B)
    • Try
      • Q(B);
      • Threat
        • R1(E)
      • Vars
        • P(c);OGATE,XP(G)::QAR1(B),XP(c)
        • B(e);N_GUARD::S(A),XB(e)
      • Refutation
        • P(c);XS(F)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+R(E),XP(a)
    • Vars
      • P(c);SBLOCK,XS(F)::B(D)
      • P(c);SBLOCK,XP(G)::QAB(B)+R(E),DCHECK
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).