MESON Chess Problem Database

Problem Display
PID: 241738 (8/B1p5/8/8/3QnkBK/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/B1p5/8/8/3QnkBK/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Bb8#
    • 1...c6
      • 2.Bb8#
  • Tries
    • 1.Kh5?
      • 1...c5
        • 2.Bb8#
      • 1...c6
        • 2.Bb8#
      • 1...Kg3!
    • 1.Bf5?
      • threat
        • 2.Qxe4#
      • 1...Kf3
        • 2.Qxe4#
      • 1...Kxf5!
    • 1.Bb6?
      • threat
        • 2.Bxc7#
      • 1...c5
        • 2.Bc7#
      • 1...c6
        • 2.Bc7#
      • 1...cxb6!
    • 1.Qc5?
      • threat
        • 2.Qf5#
      • 1...Sg3
        • 2.Qe3#
      • 1...Sd6
        • 2.Qe3#
      • 1...Sxc5!
  • Keys
    • 1.Bc5!
      • 1...c6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATEB::B(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);OGATEB::B(D)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR1(A),XS(a)
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAB1(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT,XB(B)
    • Try
      • B(D);
      • Threat
        • B(D),XP(c)
      • Vars
        • P(c);::B(D)
      • Refutation
        • P(c);XB(D)
    • Try
      • Q(A);N_PINS(a)
      • Threat
        • QAR1(A)
      • Vars
        • S(a);::QAB1(A)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • B(D);
    • Vars
      • P(c);N_GUARD::B(D)
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).