MESON Chess Problem Database

Problem Display
PID: 252900 (3Rbk2/3R2pP/1pK1P1rn/2P2p2/4pN2/6r1/B6b/8 w - - 0 1)

Kratschmer, Ralf

Deutsche Schachzeitung, 1983

3Rbk2/3R2pP/1pK1P1rn/2P2p2/4pN2/6r1/B6b/8

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Sxg6#
    • 1...Rb3
      • 2.Sxg6#
    • 1...Rc3
      • 2.Sxg6#
    • 1...Rd3
      • 2.Sxg6#
    • 1...Re3
      • 2.Sxg6#
    • 1...Rf3
      • 2.Sxg6#
    • 1...Rh3
      • 2.Sxg6#
    • 1...Rg4
      • 2.e7#
    • 1...Rg5
      • 2.e7#
    • 1...Rxe6+
      • 2.Sxe6#
    • 1...Sg4
      • 2.Sxg6#
      • 2.h8Q#
      • 2.h8R#
  • Tries
    • 1.Kc7?
      • threat
        • 2.e7#
      • 1...Rxe6
        • 2.Sxe6#
      • 1...Sg8
        • 2.Rf7#
      • 1...Rb3!
  • Keys
    • 1.Kb7!
      • threat
        • 2.e7#
      • 1...Rxe6
        • 2.Sxe6#
      • 1...Rb3
        • 2.Sxg6#
      • 1...Sg8
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::S(B),XR(f)
    • R(b);N_GUARD,N_PINP(E),P_PINP(C)::S(B),XR(f)
    • R(f);N_PINP(E)::P(E)
    • R(f);CHECK,XP(E)::S(B),XR(f)
  • Tries
    • Try
      • K(D);N_SPINP(E),N_SPINR(F),P-FLIGHT
      • Threat
        • P(E)
      • Vars
        • R(f);XP(E)::S(B),XR(f)
        • S(g);N_GUARD::R1(F)
      • Refutation
        • R(b);P_PINS(B)
  • Actual
    • K(D);N_SPINP(E),N_SPINR(F),S_FLIGHT
    • Threat
      • P(E)
    • Vars
      • R(f);XP(E)::S(B),XR(f)
      • R(b);N_GUARD::S(B),XR(f)
      • S(g);N_GUARD::R1(F)
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