MESON Chess Problem Database

Problem Display
PID: 212400 (8/8/5N2/K4pN1/8/3kp3/1Q6/8 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1968

8/8/5N2/K4pN1/8/3kp3/1Q6/8

#2

4 + 3

15148 Sadier Collection 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kb4?
      • 1...e2
        • 2.Qc3#
      • 1...f4!
    • 1.Qc2+?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kxc2!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Se5#
      • 1...Kc4
        • 2.Qc2#
      • 1...e2
        • 2.Qb3#

Anticipated by 94515(1945)

This anticipates 39223(1972), 226975(1984), 94593(1997), 165118(2008)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
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).