MESON Chess Problem Database

Problem Display
PID: 255798 (8/8/8/8/6p1/8/4K1Rb/3Q1B1k w - - 0 1)

Pilchenko, Viacheslav Karlovich

2nd Prize, Mansfield-125 MT (Miniatures) (Kudesnik), 2021

8/8/8/8/6p1/8/4K1Rb/3Q1B1k

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rg1+?
      • 1...Kxg1
        • 2.Bh3#
      • 1...Bxg1!
    • 1.Qd4?
      • 1...Bg1
        • 2.Qxg1#
      • 1...Bg3
        • 2.Qg1#
      • 1...Bf4
        • 2.Qg1#
      • 1...Be5
        • 2.Qg1#
      • 1...Bd6
        • 2.Qg1#
      • 1...Bc7
        • 2.Qg1#
      • 1...Bb8
        • 2.Qg1#
      • 1...g3!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Bg2#
      • 1...Kg1
        • 2.Bg2#
        • 2.Bh3#
      • 1...Bg1
        • 2.Qd5#
      • 1...Bg3
        • 2.Bh3#
      • 1...Bf4
        • 2.Bh3#
      • 1...Be5
        • 2.Bh3#
      • 1...Bd6
        • 2.Bh3#
      • 1...Bc7
        • 2.Bh3#
      • 1...Bb8
        • 2.Bh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(a);P-FLIGHT,S_CUTB(b),XR(D)::QAR(A)+B(B)
      • Refutation
        • B(b);XR(D)
    • Try
      • Q(A);
      • Vars
        • B(b);N_GUARD::QAR1(A),XB(b)
        • B(b);N_GUARD::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • R(D);
    • Threat
      • QAR(A)+B(B),DCHECK
    • Vars
      • B(b);SBLOCK::QAB(A)
      • B(b);N_GUARD::QAR(A)+B(B)
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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).