MESON Chess Problem Database

Problem Display
PID: 47574 (8/8/4B3/8/4R3/3b4/4N1k1/4K2R w K - 0 1)

Pustovoi, Boris

Omskaya Pravda, 1971

8/8/4B3/8/4R3/3b4/4N1k1/4K2R

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Rg1+?
      • 1...Kh2
        • 2.Rh4#
      • 1...Kf3!
    • 1.Rg4+?
      • 1...Kf3
        • 2.Rh3#
      • 1...Kxh1!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Rg4#
      • 1...Kxh1
        • 2.Rh4#
      • 1...Kf3
        • 2.0-0#
      • 1...Bxe4
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • B(E);
    • Threat
      • B(E)+R(D),DCHECK
    • Vars
      • K(a);S_FLIGHT,XR(B)::B(E)+R(D),DCHECK
      • K(a);S_FLIGHT::0-0
      • B(b);OGATE,P_SPINB(b),XR(D)::B(E),XB(b)
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