MESON Chess Problem Database

Problem Display
PID: 239256 (2N5/8/8/2kp2pR/1pPN4/1P2K3/8/8 w - - 0 1)

Makaronets, Leonid

Sachove umeni (Ceskoslovensky sach), 1972

2N5/8/8/2kp2pR/1pPN4/1P2K3/8/8

#2

6 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...dxc4
      • 2.Rxg5#
    • 1...g4
      • 2.Rxd5#
  • Tries
    • 1.Kd3?
      • 1...g4
        • 2.Rxd5#
      • 1...dxc4+!
  • Keys
    • 1.cxd5!
      • 1...Kxd5
        • 2.Rxg5#
      • 1...g4
        • 2.d6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATEB,P_SPINP(d),XP(C)::R(E),XP(d)
    • P(d);OGATE,P_SPINP(c)::R1(E),XP(c)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(d);OGATE,P_SPINP(c)::R1(E),XP(c)
      • Refutation
        • P(c);CHECK,P_SPINP(d),XP(C)
  • Actual
    • P(C);XP(c)
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINP(d),XP(C)::R(E),XP(d)
      • P(d);::R(E)+P(C)
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