MESON Chess Problem Database

Problem Display
PID: 169145 (2NbrB2/K1P1p2R/2k2N2/7R/P1p2p2/3pr3/1P6/6Q1 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Sp. Comm., Liylu-75 JT (SuperProblem), 2016

2NbrB2/K1P1p2R/2k2N2/7R/P1p2p2/3pr3/1P6/6Q1

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc7
      • 2.Rc5#
    • 1...Re1
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Re2
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Rf3
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Rg3
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Rh3
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Re4
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...Re5
      • 2.Qb6#
    • 1...Re6
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qb6#
    • 1...exf6
      • 2.Rc5#
    • 1...e6
      • 2.Rc5#
  • Tries
    • 1.Qxe3?
      • threat
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qb6#
      • 1...Kxc7
        • 2.Rc5#
        • 2.Qc5#
      • 1...Bxc7
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qf3#
        • 2.Qe4#
      • 1...e5
        • 2.Qc5#
        • 2.Qb6#
        • 2.Qe4#
      • 1...fxe3!
  • Keys
    • 1.b4!
      • threat
        • 2.Rc5#
      • 1...Kxc7
        • 2.Rc5#
      • 1...cxb4 ep
        • 2.Qc1#
      • 1...Re5
        • 2.Qb6#
      • 1...e5
        • 2.b5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(e);P-FLIGHT,P_SPINP(f),XP(G)::R(D)
    • R(b);OGATE::QAR1(A)
    • P(f);XS(E)::R1(D)
    • P(f);::R1(D)
  • Tries
    • Try
      • Q(A);XR(b)
      • Threat
        • DUALS(3)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • P(B);
    • Threat
      • R1(D)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(f),XP(G)::R(D)
      • P(c);EP,OGATEB,XP(B)::QAR(A)
      • R(b);OGATE::QAR1(A)
      • P(f);::P(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).