MESON Chess Problem Database

Problem Display
PID: 259095 (6B1/1n3p1N/1K4Rn/2pkp1P1/1prp3p/2p1pP2/2N4B/6Q1 w - - 0 1)

Chivu, Nicolae

Buletin Problemistic, 1985

6B1/1n3p1N/1K4Rn/2pkp1P1/1prp3p/2p1pP2/2N4B/6Q1

#2

9 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Bxf7#
    • 1...Sf5
      • 2.Bxf7#
  • Tries
    • 1.Qxe3?
      • threat
        • 2.Qe4#
        • 2.Qxe5#
      • 1...Sg4
        • 2.Bxf7#
        • 2.Qe4#
      • 1...Sd6
        • 2.Qxe5#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.Qxe4#
        • 2.fxe4#
      • 1...dxe3!
    • 1.Qd1?
      • threat
        • 2.Sxe3#
      • 1...e2
        • 2.Se3#
      • 1...Sg4
        • 2.Bxf7#
      • 1...Sf5
        • 2.Bxf7#
      • 1...d3!
    • 1.Qg3?
      • threat
        • 2.Qxe5#
      • 1...Sg4
        • 2.Bxf7#
      • 1...e4
        • 2.Qe5#
      • 1...hxg3!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe4#
      • 1...Sxg4
        • 2.Bxf7#
      • 1...Sd6
        • 2.Sf6#
      • 1...d3
        • 2.Sxe3#
      • 1...e4
        • 2.Sf6#
        • 2.Qxe4#
        • 2.fxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(j);N_GUARD::B(I),XP(l)
  • Tries
    • Try
      • Q(A);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(k);::QAR1(A),XP(i)
        • P(e);::QAR1(A),XP(i)
      • Refutation
        • P(e);XQ(A)
    • Try
      • Q(A);N_PINP(l),P_PINP(e)
      • Threat
        • S(B),XP(b)
      • Vars
        • P(b);::S(B)
        • S(j);N_GUARD::B(I),XP(l)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(i)
      • Vars
        • S(j);N_GUARD::B(I),XP(l)
        • P(i);::QAR1(A)
      • Refutation
        • P(f);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • S(j);N_GUARD,XQ(A)::B(I),XP(l)
      • S(k);SBLOCK::S(H)
      • P(e);N_GUARD::S(B),XP(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).