MESON Chess Problem Database

Problem Display
PID: 220518 (8/4p2K/Q3pk2/2P5/6P1/5B1N/P7/8 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Freie Presse, 1997

8/4p2K/Q3pk2/2P5/6P1/5B1N/P7/8

#2

7 + 3

15148 Sadier Collection 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kg8?
      • 1...Kg6
        • 2.Qxe6#
      • 1...Ke5!
    • 1.Qd3?
      • 1...Ke5
        • 2.Qc3#
      • 1...e5
        • 2.Qf5#
        • 2.Qg6#
      • 1...Kf7!
    • 1.Qc8?
      • 1...Ke5
        • 2.Qh8#
      • 1...e5
        • 2.Qf5#
      • 1...Kf7!
    • 1.Qb6?
      • 1...Ke5
        • 2.Qb2#
      • 1...Kf7!
  • Keys
    • 1.Qf1!
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7
        • 2.Bc6#
      • 1...e5
        • 2.Bd5#

Anticipated by 121896(1982)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(F),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(F);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::QAB(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::QAB(F)
        • P(a);OGATE::QAR1(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
  • Actual
    • Q(F);N_PINP(a)
    • Vars
      • K(b);S_FLIGHT::QAB(F)
      • K(b);P-FLIGHT::QAR(F)+B(B)
      • P(a);SBLOCK::QAR(F)+B(B)
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).