MESON Chess Problem Database

Problem Display
PID: 180666 (8/8/7p/8/5pk1/8/1KBB1Q2/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2017

8/8/7p/8/5pk1/8/1KBB1Q2/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kh3
      • 2.Bf5#
  • Tries
    • 1.Bxf4?
      • 1...Kh3
        • 2.Bf5#
        • 2.Qg3#
      • 1...h5
        • 2.Qg3#
      • 1...Kh5!
  • Keys
    • 1.Be1!
      • 1...Kh3
        • 2.Bf5#
      • 1...Kg5
        • 2.Qh4#
      • 1...Kh5
        • 2.Qh4#
      • 1...f3
        • 2.Qh4#
      • 1...h5
        • 2.Qg2#

This is a version of 141680

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(B)
  • Tries
    • Try
      • B(C);XP(a)
      • Vars
        • P(c);SBLOCK::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(b);S_FLIGHT::B(B)
      • K(b);P-FLIGHT::QAB1(D)
      • K(b);S_FLIGHT::QAR1(D)
      • P(a);SBLOCK::QAR1(D)
      • P(c);SBLOCK::QAR2(D)
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