MESON Chess Problem Database

Problem Display
PID: 213697 (8/3R1B2/8/8/P7/kp6/3B4/1K6 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Land og Folk, 1977

8/3R1B2/8/8/P7/kp6/3B4/1K6

#2

5 + 2

15148 Sadier Collection 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • 1...Kxa4
        • 2.Ra7#
      • 1...b2!
    • 1.Rd5?
      • 1...Kxa4
        • 2.Ra5#
      • 1...b2!
  • Keys
    • 1.Be8!
      • 1...Kxa4
        • 2.Ra7#
      • 1...b2
        • 2.Rd3#

This anticipates 238209(2011)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::R1(D)
      • Refutation
        • P(b);
  • Actual
    • B(E);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(C)::B(E)+R(D),DCHECK
      • P(b);OGATEB::R(D)
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