MESON Chess Problem Database

Problem Display
PID: 269152 (4B2b/8/4N2p/8/3pP1PQ/5k1n/3KRpp1/5bn1 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Schach, 2023

4B2b/8/4N2p/8/3pP1PQ/5k1n/3KRpp1/5bn1

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Re3#
  • Tries
    • 1.Bc6?
      • threat
        • 2.e5#
      • 1...Sf4
        • 2.Rxf2#
      • 1...Sg5
        • 2.Rxf2#
      • 1...Be5!
    • 1.e5?
      • threat
        • 2.Bc6#
      • 1...Sf4
        • 2.Sxd4#
      • 1...Sg5!
    • 1.g5?
      • threat
        • 2.Bh5#
      • 1...Sf4
        • 2.Qxf4#
      • 1...h5
        • 2.Bxh5#
      • 1...hxg5!
  • Keys
    • 1.Bh5!
      • threat
        • 2.g5#
      • 1...Sf4
        • 2.Qxf2#
      • 1...Sg5
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::R1(B)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)+P(C)
      • Vars
        • S(f);N_GUARD::R1(B),XP(c)
      • Refutation
        • B(i);
    • Try
      • P(C);
      • Threat
        • B(G)
      • Vars
        • S(f);SBLOCK::S(F),XP(g)
      • Refutation
        • S(f);
    • Try
      • P(D);
      • Threat
        • B(G)
      • Vars
        • S(f);N_GUARD::QAR1(E),XS(f)
        • P(h);::B(G),XP(h)
      • Refutation
        • P(h);XP(D)
  • Actual
    • B(G);
    • Threat
      • B(G)+P(D)
    • Vars
      • S(f);N_GUARD::QAR1(E),XP(c)
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).