MESON Chess Problem Database

Problem Display
PID: 251869 (5B2/3p1R2/2B1RP2/3NP3/3k4/8/2KN1P2/8 w - - 0 1)

Stange, Manfred

Comm., Schach, 1993

5B2/3p1R2/2B1RP2/3NP3/3k4/8/2KN1P2/8

#2

10 + 2

15601 Albrecht-Leiss-Degener Collection 2021
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kc4
        • 2.Se3#
        • 2.Sb6#
      • 1...Ke4!
    • 1.Sf3+?
      • 1...Kc4
        • 2.Se3#
        • 2.Sb6#
      • 1...Ke4!
    • 1.Sb6?
      • threat
        • 2.Sb3#
        • 2.Sf3#
        • 2.Rxd7#
      • 1...dxc6
        • 2.Rd7#
      • 1...dxe6
        • 2.Sf3#
      • 1...d6
        • 2.Sb3#
      • 1...d5!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sf5#
        • 2.Rxd7#
      • 1...dxc6
        • 2.Rd7#
      • 1...dxe6
        • 2.Sf3#
      • 1...d6
        • 2.Sb3#
      • 1...d5
        • 2.Sf5#

Anticipated by 19452(1951), 92659(1952)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Threat
        • DUALS(3)
      • Vars
        • P(b);XB(F)::R(I)
        • P(b);XR(G)::S(B)
        • P(b);::S(B)
      • Refutation
        • P(b);
  • Actual
    • S(D);
    • Threat
      • DUALS(4)
    • Vars
      • P(b);XB(F)::R(I)
      • P(b);XR(G)::S(B)
      • P(b);::S(B)
      • P(b);::S(D)
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