MESON Chess Problem Database

Problem Display
PID: 7941 (K2Q1B2/8/8/1p6/kp6/1p6/8/8 w - - 0 1)

Saletic, Slobodan

The Problemist, 1994

K2Q1B2/8/8/1p6/kp6/1p6/8/8

#2

3 + 4

5454 Near Snap 2009
56 The Problemist 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bg7?
      • 1...Ka3
        • 2.Qa5#
      • 1...b2!
    • 1.Qe7?
      • threat
        • 2.Qxb4#
        • 2.Qa7#
      • 1...Ka5
        • 2.Qa7#
      • 1...b2
        • 2.Qxb4#
      • 1...Ka3!
    • 1.Qd1?
      • threat
        • 2.Qa1#
      • 1...Ka3
        • 2.Qa1#
      • 1...Ka5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qa1#
        • 2.Qa7#
        • 2.Qxb4#
      • 1...Ka3
        • 2.Qa1#
      • 1...Ka5
        • 2.Qa7#
      • 1...b2
        • 2.Qxb4#

Anticipated by 135531(1946), 109550(1987)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
        • P(a);::QAR1(B),XP(c)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(B);P_PINP(a)
      • Threat
        • QAR(B)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,P_SPINP(c)::QAR2(B)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
  • Actual
    • Q(B);P_PINP(c)
    • Threat
      • DUALS(3)
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • K(b);N_SPINP(c),P-FLIGHT::QAR2(B)
      • P(a);::QAR1(B),XP(c)
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).