MESON Chess Problem Database

Problem Display
PID: 234793 (8/8/8/1R6/2kp4/2N4Q/1p6/1K6 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2017

8/8/8/1R6/2kp4/2N4Q/1p6/1K6

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kxb2?
      • 1...d3
        • 2.Qg4#
        • 2.Qh4#
      • 1...dxc3+!
    • 1.Qf3?
      • 1...dxc3
        • 2.Qd5#
      • 1...d3!
  • Keys
    • 1.Qf5!
      • 1...Kxc3
        • 2.Qc2#
      • 1...dxc3
        • 2.Qd5#
      • 1...d3
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(a)
      • Refutation
        • P(c);CHECK,XS(B)
    • Try
      • Q(C);
      • Vars
        • P(c);SBLOCK,XS(B)::QAB1(C)
      • Refutation
        • P(c);
  • Actual
    • Q(C);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(B)::QAR1(C)
      • P(c);SBLOCK,XS(B)::QAB1(C)
      • P(c);SBLOCK::QAR1(C)
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