MESON Chess Problem Database

Problem Display
PID: 227803 (8/8/2B5/2P5/1pkB1p2/5P2/pQP2P2/K7 w - - 0 1)

Bajtay, Jozsef

Uj Nemezdek, 1926

8/8/2B5/2P5/1pkB1p2/5P2/pQP2P2/K7

#2

8 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Qc3#
  • Tries
    • 1.Be3?
      • threat
        • 2.Qd4#
        • 2.Qb3#
      • 1...b3
        • 2.Qd4#
        • 2.Qxb3#
      • 1...fxe3!
    • 1.Qxa2+?
      • 1...b3
        • 2.Qa4#
      • 1...Kxd4!
  • Keys
    • 1.c3!
      • 1...Kd3
        • 2.Bb5#
      • 1...bxc3
        • 2.Qxc3#
      • 1...b3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAR1(B)
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);XB(F)
    • Try
      • Q(B);CHECK,XP(a)
      • Vars
        • P(b);OGATEB,P_SPINP(b)::QAR2(B)
      • Refutation
        • K(c);P-FLIGHT,XB(F)
  • Actual
    • P(C);
    • Vars
      • K(c);S_FLIGHT::B(H)
      • P(b);OGATE,XP(C)::QAR1(B),XP(b)
      • P(b);SBLOCK::QAB(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).