MESON Chess Problem Database

Problem Display
PID: 262765 (8/5N2/6p1/8/3Pk3/2Q5/1N4K1/8 w - - 0 1)

Pawlowski, Tadeusz

Szachy, 1957

8/5N2/6p1/8/3Pk3/2Q5/1N4K1/8

#2

5 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf3#
  • Tries
    • 1.Sd6+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd5!
    • 1.Qd3+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kd5!
  • Keys
    • 1.d5!
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Qf3#
      • 1...Kxd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAR1(C)
      • K(a);N_GUARD,S_FLIGHT,XP(D)::QAB1(C)
      • K(a);N_GUARD,S_FLIGHT::QAR2(C)
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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).