MESON Chess Problem Database

Problem Display
PID: 239233 (8/8/8/8/4K3/8/5kp1/R1B2B1R w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2005

8/8/8/8/4K3/8/5kp1/R1B2B1R

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Be3#
  • Keys
    • 1.Ra2+!
      • 1...Ke1
        • 2.Bxg2#
      • 1...Kg3
        • 2.Rxg2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::R(A)+B(B)
  • Actual
    • R(A);CHECK
    • Vars
      • K(a);S_FLIGHT::R(D)+B(C),XP(b)
      • K(a);OGATE,S_FLIGHT::R1(A),XP(b)
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