MESON Chess Problem Database

Problem Display
PID: 256450 (3n4/8/3p1p2/2Rp4/KN1kbQn1/2Rp4/1b6/8 w - - 0 1)

Rusenescu, Eugen

1st Comm., Buletin Problemistic, 1985

3n4/8/3p1p2/2Rp4/KN1kbQn1/2Rp4/1b6/8

#2

5 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Qxf6#
    • 1...Se5
      • 2.Qf2#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Se6
      • 2.Sc6#
    • 1...Sb7
      • 2.Sc6#
    • 1...Sf7
      • 2.Sc6#
    • 1...d2
      • 2.Sc2#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Rxd3#
      • 1...Bxc3
        • 2.Rxd5#
      • 1...Se5
        • 2.Qf2#
      • 1...d2
        • 2.Sc2#
        • 2.Rd3#
      • 1...Sf2!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Rxd5#
      • 1...dxc5
        • 2.Rxd3#
      • 1...Se3
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • S(e);N_GUARD,SBLOCK::QAB(D),XP(h)
    • S(e);N_GUARD,SBLOCK::QAB(D)
    • S(i);N_GUARD::S(C),XS(i)
    • S(i);N_GUARD::S(C)
    • P(b);N_GUARD::S(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R1(A),XP(b)
      • Vars
        • B(a);SBLOCK,XR(A)::R1(E),XP(f)
        • S(e);N_GUARD,SBLOCK::QAB(D)
      • Refutation
        • S(e);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • R1(E),XP(f)
    • Vars
      • P(g);SBLOCK,XR(E)::R1(A),XP(b)
      • S(e);N_GUARD,SBLOCK::QAB(D),XP(h)
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