MESON Chess Problem Database

Problem Display
PID: 232963 (8/8/4B3/4B3/5P2/5k2/3Q4/K6b w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 1995

8/8/4B3/4B3/5P2/5k2/3Q4/K6b

#2

5 + 2

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe2#
  • Tries
    • 1.Qf2+?
      • 1...Ke4
        • 2.Qe2#
      • 1...Kxf2!
  • Keys
    • 1.Bd4!
      • 1...Kg3
        • 2.Qf2#
      • 1...Ke4
        • 2.Qe3#
      • 1...Bg2
        • 2.Qe3#

This anticipates 198438(1997)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
  • Actual
    • B(D);
    • Vars
      • K(b);P-FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::QAR1(B)
      • B(a);SBLOCK::QAR1(B)
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