MESON Chess Problem Database

Problem Display
PID: 227478 (kb6/pR6/Qp6/1K6/8/8/8/8 w - - 0 1)

Kovacs, Norbert

Magyar Sakkvilag, 1926

kb6/pR6/Qp6/1K6/8/8/8/8

#2

3 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qxa7#
    • 1...Bg3
      • 2.Qxa7#
    • 1...Bf4
      • 2.Qxa7#
    • 1...Be5
      • 2.Qxa7#
    • 1...Bd6
      • 2.Qxa7#
    • 1...Bc7
      • 2.Qxa7#
  • Tries
    • 1.Ka4?
      • 1...Bh2
        • 2.Qxa7#
      • 1...Bg3
        • 2.Qxa7#
      • 1...Bf4
        • 2.Qxa7#
      • 1...Be5
        • 2.Qxa7#
      • 1...Bd6
        • 2.Qxa7#
      • 1...Bc7
        • 2.Qxa7#
      • 1...b5+!
    • 1.Kc4?
      • 1...Bh2
        • 2.Qxa7#
      • 1...Bg3
        • 2.Qxa7#
      • 1...Bf4
        • 2.Qxa7#
      • 1...Be5
        • 2.Qxa7#
      • 1...Bd6
        • 2.Qxa7#
      • 1...Bc7
        • 2.Qxa7#
      • 1...b5+!
    • 1.Kc6?
      • 1...Bh2
        • 2.Qxa7#
      • 1...Bg3
        • 2.Qxa7#
      • 1...Bf4
        • 2.Qxa7#
      • 1...Be5
        • 2.Qxa7#
      • 1...Bd6
        • 2.Qxa7#
      • 1...Bc7
        • 2.Qxa7#
      • 1...b5!
  • Keys
    • 1.Rxb6!
      • threat
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • B(d);N_GUARD::QAR1(B),XP(b)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(d);N_GUARD::QAR1(B),XP(b)
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(d);N_GUARD::QAR1(B),XP(b)
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(d);N_GUARD::QAR1(B),XP(b)
      • Refutation
        • P(a);
  • Actual
    • R(C);XP(a)
    • Threat
      • QAB1(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).