MESON Chess Problem Database

Problem Display
PID: 234679 (3nK1k1/8/Q7/4B3/8/8/8/1b5r w - - 0 1)

Lincoln, Robert A

Kudesnik, 2010

3nK1k1/8/Q7/4B3/8/8/8/1b5r

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qg6#
    • 1...Bg6+
      • 2.Qxg6#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qg7#
      • 1...Bg6+
        • 2.Qxg6#
      • 1...Kh7
        • 2.Qg7#
      • 1...Rg1
        • 2.Qh8#
      • 1...Rh7
        • 2.Qf8#
      • 1...Se6
        • 2.Qf7#

This is a version of 234628

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAR2(B)
    • B(a);CHECK,N_GUARD::QAR2(B),XB(a)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • B(a);CHECK,N_GUARD::QAR2(B),XB(a)
      • K(d);S_FLIGHT::QAR1(B)
      • R(b);N_GUARD::QAR1(B)
      • R(b);SBLOCK::QAR1(B)
      • S(c);N_GUARD::QAB1(B)
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