MESON Chess Problem Database

Problem Display
PID: 116043 (8/1K6/6R1/kP3p2/3R4/8/8/8 w - - 0 1)

Gavriliv, Evgeni M

Canadian Chess Chat, 1981

8/1K6/6R1/kP3p2/3R4/8/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rgd6?
      • 1...Kxb5
        • 2.R6d5#
      • 1...f4!
    • 1.Re6?
      • 1...Kxb5
        • 2.Re5#
      • 1...f4!
    • 1.Rf6?
      • 1...Kxb5
        • 2.Rxf5#
      • 1...f4!
    • 1.b6?
      • 1...f4
        • 2.Rg5#
      • 1...Kb5!
  • Keys
    • 1.Rg5!
      • 1...Kxb5
        • 2.Rxf5#
      • 1...f4
        • 2.b6#

FEATURES

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