MESON Chess Problem Database

Problem Display
PID: 50066 (8/8/8/8/NN3p2/3p1P2/3PBRP1/2k1K2R w K - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/8/8/8/NN3p2/3p1P2/3PBRP1/2k1K2R

#2

9 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.0-0#
    • 1...dxe2
      • 2.Kxe2#
  • Tries
    • 1.Rhf1?
      • 1...dxe2
        • 2.Kxe2#
      • 1...Kb1!
    • 1.Rg1?
      • 1...dxe2
        • 2.Kxe2#
      • 1...Kb1!
    • 1.g3?
      • 1...Kb1
        • 2.0-0#
      • 1...dxe2
        • 2.Kxe2#
      • 1...fxg3!
    • 1.g4?
      • 1...Kb1
        • 2.0-0#
      • 1...dxe2
        • 2.Kxe2#
      • 1...fxg4 ep!
  • Keys
    • 1.Rff1!
      • 1...Kb1
        • 2.Kf2#
      • 1...dxe2
        • 2.Kxe2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::0-0
    • P(b);XB(D)::R(B)+K(A),XP(b)
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);XB(D)::R(B)+K(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);XB(D)::R(B)+K(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);P-FLIGHT::0-0
        • P(b);XB(D)::R(B)+K(A),XP(b)
      • Refutation
        • P(c);XP(F)
    • Try
      • P(F);
      • Vars
        • K(a);P-FLIGHT::0-0
        • P(b);XB(D)::R(B)+K(A),XP(b)
      • Refutation
        • P(c);EP,XP(F)
  • Actual
    • R(E);
    • Vars
      • K(a);P-FLIGHT::R(E)+K(A)
      • P(b);XB(D)::R(E)+K(A),XP(b)
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