MESON Chess Problem Database

Problem Display
PID: 261957 (2B5/3R4/4R3/8/K4P1n/b5nk/4Q2p/8 w - - 0 1)

Knuppert, Hugo

Problemnoter, 1962

2B5/3R4/4R3/8/K4P1n/b5nk/4Q2p/8

#2

6 + 5

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rh6?
      • threat
        • 2.Rd3#
      • 1...Sxe2
        • 2.Rg7#
      • 1...Bd6!
  • Keys
    • 1.Rh7!
      • threat
        • 2.Re3#
      • 1...Sxe2
        • 2.Rg6#
      • 1...Se4
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);P_PINS(e)
      • Threat
        • B(F)+R(E)
      • Vars
        • S(c);N_GUARD,XQ(A)::B(F)+R(E)
      • Refutation
        • B(b);
  • Actual
    • R(E);P_PINS(e)
    • Threat
      • B(F)+R(D)
    • Vars
      • S(c);N_GUARD,XQ(A)::B(F)+R(D)
      • S(c);N_GUARD::B(F)+R(D)
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